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Major code cleanup and code reformating

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This commit is contained in:
Godzil 2021-04-05 14:19:35 +01:00
parent 4e5f796d6a
commit cc1060775c
28 changed files with 8068 additions and 7853 deletions
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38
dumpinfo.c
View File

@ -1,3 +1,10 @@
/*
* NewOswan
* dumpinfo.c: Tool to dump the metadata info about a cart rom image.
*
* Copyright (c) 2014-2021 986-Studio. All rights reserved.
*
*/
#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
@ -17,7 +24,7 @@ char *load_file(char *filename, uint32_t *fileSize)
fstat(fd, &FileStat);
ret_ptr = (char *)mmap(NULL, FileStat.st_size, PROT_READ|PROT_WRITE, MAP_SHARED, fd, 0);
ret_ptr = (char *)mmap(NULL, FileStat.st_size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
*fileSize = FileStat.st_size;
@ -32,7 +39,7 @@ char *load_file(char *filename, uint32_t *fileSize)
}
#pragma pack(1)
struct cart_metadata
struct cart_metadata
{
uint8_t farjump[5];
uint8_t flagExt;
@ -64,29 +71,26 @@ int main(int argc, char *argv[])
if (content != NULL)
{
data = (struct cart_metadata*)&(content[size - sizeof(struct cart_metadata)]);
data = (struct cart_metadata *)&(content[size - sizeof(struct cart_metadata)]);
printf("%s:\n", argv[1]);
if (data->farjump[0] == 0xEA)
{
printf("[%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x]",
data->publishId, data->gameId[0], data->gameId[1], data->flags2, data->romInfo, data->saveInfo,
data->flags & 0xFF, (data->flags>>8) & 0xFF, data->crc & 0xFF, (data->crc>>8) & 0xFF);
printf(" - Reset @ %02X%02X:%02X%02Xh\n",
data->farjump[4], data->farjump[3],
data->farjump[2], data->farjump[1]);
printf("[%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x]", data->publishId, data->gameId[0],
data->gameId[1], data->flags2, data->romInfo, data->saveInfo, data->flags & 0xFF,
(data->flags >> 8) & 0xFF, data->crc & 0xFF, (data->crc >> 8) & 0xFF);
printf(" - Reset @ %02X%02X:%02X%02Xh\n", data->farjump[4], data->farjump[3], data->farjump[2],
data->farjump[1]);
printf(" - publisher: %02X, gameId: %01X%02X\n", data->publishId, data->gameId[0], data->gameId[1]);
printf(" - %s want to write to EEPROM\n", data->flags2&0x80?"Do":"Do not");
printf(" - %s user defined bootsplash\n", data->flagExt&0x80?"Dissallow":"Allow");
printf(" - Is %sbootable on a normal swan\n", data->flagExt&0x0F?"not ":"");
printf(" - %s want to write to EEPROM\n", data->flags2 & 0x80 ? "Do" : "Do not");
printf(" - %s user defined bootsplash\n", data->flagExt & 0x80 ? "Dissallow" : "Allow");
printf(" - Is %sbootable on a normal swan\n", data->flagExt & 0x0F ? "not " : "");
printf(" - ROM Size: %02Xh\n", data->romInfo);
printf(" - Save type & Size: %02Xh\n", data->saveInfo);
printf(" - Flags: %d cycles ROM, %d bit ROM bus, %sRTC, %s orientation\n",
data->flags & 0x004?1:3,
data->flags & 0x002?8:16,
data->flags & 0x100?"":"No ",
data->flags & 0x001?"Vertical":"Horizontal");
printf(" - Flags: %d cycles ROM, %d bit ROM bus, %sRTC, %s orientation\n", data->flags & 0x004 ? 1 : 3,
data->flags & 0x002 ? 8 : 16, data->flags & 0x100 ? "" : "No ",
data->flags & 0x001 ? "Vertical" : "Horizontal");
printf(" - CRC: %04Xh\n", data->crc);
ret = 0;
}

224
main.c
View File

@ -1,5 +1,10 @@
///////////////////////////////////////////////////////////////////////////////
// Wonderswan emulator
/*
* NewOswan
* main.c: Entry point
* Based on the original Oswan-unix
* Copyright (c) 2014-2021 986-Studio. All rights reserved.
*
*/
////////////////////////////////////////////////////////////////////////////////
//
// 13.04.2002: Fixed a small bug causing crashes
@ -7,7 +12,7 @@
//
//
//
//////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////
#include <stdio.h>
#include <stdlib.h>
@ -36,73 +41,65 @@
//
//
////////////////////////////////////////////////////////////////////////////////
#define LOG_PATH "oswan.log"
#define LOG_PATH "oswan.log"
int gui_command=GUI_COMMAND_NONE;
int gui_mainDialogRunning;
int gui_controls_configuration_Running;
int gui_get_key_Running;
int gui_get_key_key;
int ws_videoEnhancementType=0;
int sram_path_explicit = 0;
int ieep_path_explicit = 0;
int ws_mk_savpath()
{
char *w;
char *w;
if (sram_path_explicit)
{
return 0;
}
if (sram_path_explicit)
{
return 0;
}
if (ws_sram_path != NULL)
{
free(ws_sram_path);
}
if (ws_sram_path != NULL)
{
free(ws_sram_path);
}
ws_sram_path = (char *)malloc(strlen(ws_rom_path) + 2);
strcpy(ws_sram_path, ws_rom_path);
w = strrchr(ws_sram_path, '.');
ws_sram_path = (char *)malloc(strlen(ws_rom_path) + 2);
strcpy(ws_sram_path, ws_rom_path);
w = strrchr(ws_sram_path, '.');
if (NULL == w)
{
strcpy(ws_sram_path, "error.sav");
return 1;
}
if (NULL == w)
{
strcpy(ws_sram_path, "error.sav");
return 1;
}
strcpy(w, ".sav");
return 0;
strcpy(w, ".sav");
return 0;
}
int ws_mk_ieppath()
{
char *w;
char *w;
if (ieep_path_explicit)
{
return 0;
}
if (ieep_path_explicit)
{
return 0;
}
if (ws_ieep_path != NULL)
{
free(ws_ieep_path);
}
if (ws_ieep_path != NULL)
{
free(ws_ieep_path);
}
ws_ieep_path = (char *)malloc(strlen(ws_rom_path) + 2);
strcpy(ws_ieep_path, ws_rom_path);
w = strrchr(ws_ieep_path, '.');
ws_ieep_path = (char *)malloc(strlen(ws_rom_path) + 2);
strcpy(ws_ieep_path, ws_rom_path);
w = strrchr(ws_ieep_path, '.');
if (NULL == w)
{
strcpy(ws_ieep_path, "error.iep");
return 1;
}
if (NULL == w)
{
strcpy(ws_ieep_path, "error.iep");
return 1;
}
strcpy(w, ".iep");
return 0;
strcpy(w, ".iep");
return 0;
}
////////////////////////////////////////////////////////////////////////////////
@ -130,81 +127,74 @@ int main(int argc, char *argv[])
fprintf(log_get(), "NewOswan %s (built at: %s %s)\n", VERSION, __DATE__, __TIME__);
ws_rom_path = NULL;
ws_rom_path = NULL;
for (int n = 1; n < argc; ++n)
{
if (argv[n][0] == '-')
{
switch(argv[n][1])
{
case 'C':
if (++n < argc)
for (int n = 1 ; n < argc ; ++n)
{
if (argv[n][0] == '-')
{
switch (argv[n][1])
{
ws_cyclesByLine = atoi(argv[n]);
case 'C':
if (++n < argc)
{
ws_cyclesByLine = atoi(argv[n]);
}
fprintf(log_get(), "Cycles by line set to %d\n", ws_cyclesByLine);
break;
case 'w':
if (++n < argc)
{
ws_system = atoi(argv[n]);
}
fprintf(log_get(), "WonderSwan set to %d\n", ws_system);
break;
case 's':
if (++n < argc)
{
ws_sram_path = argv[n];
}
sram_path_explicit = 1;
break;
default:break;
}
}
else
{
ws_rom_path = argv[n];
ws_mk_savpath();
ws_mk_ieppath();
}
}
fprintf(log_get(), "Cycles by line set to %d\n", ws_cyclesByLine);
break;
while (!app_terminate)
{
if (!ws_rom_path)
{
exit(0);
}
case 'w':
if (++n < argc)
if (ws_rom_path)
{
ws_set_system(ws_system);
if (ws_init(ws_rom_path))
{
ws_system = atoi(argv[n]);
ws_reset();
ws_emulate();
}
fprintf(log_get(), "WonderSwan set to %d\n", ws_system);
break;
ws_done();
}
}
case 's':
if (++n < argc)
{
ws_sram_path = argv[n];
}
sram_path_explicit = 1;
break;
default:
break;
}
}
else
{
ws_rom_path = argv[n];
ws_mk_savpath();
ws_mk_ieppath();
}
}
while (!app_terminate)
{
if (!ws_rom_path)
{
app_gameRunning=0;
exit(0);
}
if (ws_rom_path)
{
ws_set_system(ws_system);
if (ws_init(ws_rom_path))
{
app_rotated=ws_rotated();
app_gameRunning=1;
}
ws_reset();
ws_emulate();
}
ws_done();
}
}
log_done();
return(0);
log_done();
return (0);
}

50
resource.h
View File

@ -1,50 +0,0 @@
//{{NO_DEPENDENCIES}}
// Microsoft Developer Studio generated include file.
// Used by gui.rc
//
#define IDD_DIALOG_MAIN 101
#define IDB_BITMAP1 102
#define IDB_BITMAP2 103
#define IDC_BUTTON_LOAD 1000
#define IDC_BUTTON_RESET 1001
#define IDC_BUTTON_EXIT 1002
#define IDC_RADIO1 1003
#define IDC_RADIO_WINDOWED 1003
#define IDC_RADIO2 1004
#define IDC_RADIO_FULLSCREEN 1004
#define IDC_BUTTON_LOADSTATE 1005
#define IDC_BUTTON_SAVESTATE 1006
#define IDC_RADIO3 1007
#define IDC_BUTTON_CONTINUE 1007
#define IDC_RADIO4 1008
#define IDC_BUTTON_CONTROLS 1008
#define IDC_RADIO5 1009
#define IDC_RADIO_STANDARD_MODE 1009
#define IDC_RADIO6 1010
#define IDC_RADIO_DOUBLESIZE_MODE 1010
#define IDC_RADIO7 1011
#define IDC_RADIO_SCANLINES_MODE 1011
#define IDC_RADIO8 1012
#define IDC_RADIO_50PRCTSCANLINES_MODE 1012
#define IDC_RADIO9 1013
#define IDC_RADIO_SPECIAL_MODE 1013
#define IDC_RADIO_SYSTEM_AUTODETECT 1014
#define IDC_RADIO_SYSTEM_MONO 1015
#define IDC_RADIO_SYSTEM_COLOR 1016
#define IDC_RADIO_2XSAI 1017
#define IDC_RADIO_SUPER2XSAI 1018
#define IDC_COLOUR_DEFAULT 1019
#define IDC_COLOUR_AMBER 1020
#define IDC_COLOUR_GREEN 1021
#define IDC_RADIO_SUPEREAGLE 1022
// Next default values for new objects
//
#ifdef APSTUDIO_INVOKED
#ifndef APSTUDIO_READONLY_SYMBOLS
#define _APS_NEXT_RESOURCE_VALUE 108
#define _APS_NEXT_COMMAND_VALUE 40001
#define _APS_NEXT_CONTROL_VALUE 1021
#define _APS_NEXT_SYMED_VALUE 101
#endif
#endif

2
source/CMakeLists.txt
View File

@ -1,5 +1,5 @@
set(SOURCES audio.c emulate.c gpu.c io.c log.c memory.c rom.c ws.c)
set(HEADERS audio.h emulate.h gpu.h ieeprom.h io.h log.h memory.h rom.h ws.h)
set(HEADERS audio.h emulate.h gpu.h io.h log.h memory.h rom.h ws.h)
add_library(wswan ${SOURCES} ${HEADERS})

1795
source/audio.c
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File diff suppressed because it is too large Load Diff

9
source/audio.h
View File

@ -1,5 +1,10 @@
//////////////////////////////////////////////////////////////////////////////
//
/*
* NewOswan
* audio.h:
* Based on the original Oswan-unix
* Copyright (c) 2014-2021 986-Studio. All rights reserved.
*
*/
//////////////////////////////////////////////////////////////////////////////
//
//

102
source/emulate.c
View File

@ -1,6 +1,11 @@
////////////////////////////////////////////////////////////////////////////////
// Main emulation loop
////////////////////////////////////////////////////////////////////////////////
/*
* NewOswan
* emulate.c:
* Based on the original Oswan-unix
* Copyright (c) 2014-2021 986-Studio. All rights reserved.
*
*/
//////////////////////////////////////////////////////////////////////////////
//
//
//
@ -23,6 +28,7 @@
#define GLFW_INCLUDE_GLEXT
#define GL_SILENCE_DEPRECATION
#include <GLFW/glfw3.h>
/* "Apple" fix */
#ifndef GL_TEXTURE_RECTANGLE
@ -39,12 +45,8 @@
#include "audio.h"
#include "memory.h"
char app_window_title[256];
int app_gameRunning=0;
int app_terminate=0;
int app_fullscreen=0;
int app_rotated=0;
char app_window_title[256];
int app_terminate = 0;
int ws_key_esc = 0;
@ -68,13 +70,13 @@ struct GLWindow_t
};
static GLWindow mainWindow;
static int window_num = 0;
static void ShowScreen(GLWindow *g, int w, int h)
{
glBindTexture(GL_TEXTURE_RECTANGLE, g->videoTexture);
// glTexSubImage2D is faster when not using a texture range
glTexSubImage2D(GL_TEXTURE_RECTANGLE, 0, 0, 0, w, h,
GL_BGRA, GL_UNSIGNED_SHORT_1_5_5_5_REV, g->videoMemory);
glTexSubImage2D(GL_TEXTURE_RECTANGLE, 0, 0, 0, w, h, GL_BGRA, GL_UNSIGNED_SHORT_1_5_5_5_REV, g->videoMemory);
glBegin(GL_QUADS);
glTexCoord2f(0.0f, 0.0f);
@ -92,12 +94,14 @@ static void ShowScreen(GLWindow *g, int w, int h)
glFlush();
}
static void GLWindowInitEx(GLWindow *g, int w, int h)
{
g->WIDTH = w;
g->HEIGHT = h;
g->videoTexture = window_num++;
}
static void setupGL(GLWindow *g, int w, int h)
{
g->videoMemory = (uint8_t *)malloc(w * h * sizeof(uint16_t));
@ -120,10 +124,6 @@ static void setupGL(GLWindow *g, int w, int h)
glEnable(GL_TEXTURE_RECTANGLE);
glBindTexture(GL_TEXTURE_RECTANGLE, g->videoTexture);
// glTextureRangeAPPLE(GL_TEXTURE_RECTANGLE_NV_EXT, 0, NULL);
// glTexParameteri(GL_TEXTURE_RECTANGLE_NV_EXT, GL_TEXTURE_STORAGE_HINT_APPLE , GL_STORAGE_CACHED_APPLE);
// glPixelStorei(GL_UNPACK_CLIENT_STORAGE_APPLE, GL_TRUE);
glTexParameteri(GL_TEXTURE_RECTANGLE, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_RECTANGLE, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_RECTANGLE, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
@ -134,6 +134,7 @@ static void setupGL(GLWindow *g, int w, int h)
glDisable(GL_DEPTH_TEST);
}
void restoreGL(GLWindow *g)
{
//Tell OpenGL how to convert from coordinates to pixel values
@ -154,6 +155,7 @@ void restoreGL(GLWindow *g)
glEnable(GL_TEXTURE_RECTANGLE);
glDisable(GL_DEPTH_TEST);
}
static void kbHandler(GLFWwindow *window, int key, int scan, int action, int mod)
{
struct KeyArray *keyArray;
@ -174,16 +176,19 @@ static void kbHandler(GLFWwindow *window, int key, int scan, int action, int mod
/*printf("key:%d, state:%d debounce:%d, laststate:%d\n", key, keyArray[key].curState,
keyArray[key].debounced, keyArray[key].lastState);*/
}
static void sizeHandler(GLFWwindow *window, int xs, int ys)
{
glfwMakeContextCurrent(window);
glViewport(0, 0, xs, ys);
ShowScreen(&mainWindow, 244, 144);
}
static void error_callback(int error, const char *description)
{
puts(description);
}
static void initDisplay(GLWindow *g)
{
int h = g->HEIGHT;
@ -216,10 +221,12 @@ static void initDisplay(GLWindow *g)
glfwSetKeyCallback(g->windows, kbHandler);
glfwSetWindowSizeCallback(g->windows, sizeHandler);
}
static void clearScreen(GLWindow *g)
{
memset(g->videoMemory, 0, sizeof(uint8_t) * g->WIDTH * g->HEIGHT * 4);
}
static void updateScreen(GLWindow *g)
{
/* Update windows code */
@ -228,6 +235,7 @@ static void updateScreen(GLWindow *g)
glfwSwapBuffers(g->windows);
glfwPollEvents();
}
uint64_t getTicks()
{
struct timeval curTime;
@ -235,7 +243,7 @@ uint64_t getTicks()
/* Get datetime */
gettimeofday(&curTime, NULL);
ticks = (curTime.tv_sec* 1000) + curTime.tv_usec / 1000;
ticks = (curTime.tv_sec * 1000) + curTime.tv_usec / 1000;
return ticks;
}
@ -247,97 +255,97 @@ static inline int getKeyState(int key)
static void read_keys()
{
ws_key_start=0;
ws_key_x4=0;
ws_key_x2=0;
ws_key_x1=0;
ws_key_x3=0;
ws_key_y4=0;
ws_key_y2=0;
ws_key_y1=0;
ws_key_y3=0;
ws_key_button_a=0;
ws_key_button_b=0;
ws_key_start = 0;
ws_key_x4 = 0;
ws_key_x2 = 0;
ws_key_x1 = 0;
ws_key_x3 = 0;
ws_key_y4 = 0;
ws_key_y2 = 0;
ws_key_y1 = 0;
ws_key_y3 = 0;
ws_key_button_a = 0;
ws_key_button_b = 0;
if (getKeyState(GLFW_KEY_E))
{
dump_memory();
dump_memory();
}
if (getKeyState(GLFW_KEY_R))
{
printf("Boop\n");
ws_reset();
printf("Boop\n");
ws_reset();
}
if (getKeyState(GLFW_KEY_ESCAPE))
{
ws_key_esc = 1;
ws_key_esc = 1;
}
if ( getKeyState(GLFW_KEY_UP))
if (getKeyState(GLFW_KEY_UP))
{
ws_key_x1=1;
ws_key_x1 = 1;
}
if ( getKeyState(GLFW_KEY_DOWN))
if (getKeyState(GLFW_KEY_DOWN))
{
ws_key_x3=1;
ws_key_x3 = 1;
}
if (getKeyState(GLFW_KEY_RIGHT))
{
ws_key_x2=1;
ws_key_x2 = 1;
}
if (getKeyState(GLFW_KEY_LEFT))
{
ws_key_x4=1;
ws_key_x4 = 1;
}
if (getKeyState(GLFW_KEY_ENTER))
{
ws_key_start=1;
ws_key_start = 1;
}
if (getKeyState(GLFW_KEY_C))
{
ws_key_button_a=1;
ws_key_button_a = 1;
}
if (getKeyState(GLFW_KEY_X))
{
ws_key_button_b=1;
ws_key_button_b = 1;
}
if (getKeyState(GLFW_KEY_W))
{
ws_key_y1=1;
ws_key_y1 = 1;
}
if (getKeyState(GLFW_KEY_A))
{
ws_key_y4=1;
ws_key_y4 = 1;
}
if (getKeyState(GLFW_KEY_S))
{
ws_key_y3=1;
ws_key_y3 = 1;
}
if (getKeyState(GLFW_KEY_D))
{
ws_key_y2=1;
ws_key_y2 = 1;
}
if (getKeyState(GLFW_KEY_O))
{
ws_cyclesByLine+=10;
ws_cyclesByLine += 10;
}
if (getKeyState(GLFW_KEY_L))
{
ws_cyclesByLine-=10;
ws_cyclesByLine -= 10;
}
}
@ -365,7 +373,7 @@ void ws_emulate(void)
initDisplay(&mainWindow);
clearScreen(&mainWindow);
updateScreen(&mainWindow);
int16_t *backBuffer = (int16_t *)mainWindow.videoMemory;
int16_t *backBuffer = (int16_t *)mainWindow.videoMemory;
dNormalLast = (double)getTicks();

40
source/emulate.h
View File

@ -1,32 +1,26 @@
/*
* NewOswan
* emulate.h:
* Based on the original Oswan-unix
* Copyright (c) 2014-2021 986-Studio. All rights reserved.
*
*/
//////////////////////////////////////////////////////////////////////////////
//
//
//
//
//
//
//////////////////////////////////////////////////////////////////////////////
#ifndef EMULATE_H
#define EMULATE_H
#include <stdint.h>
#define KEY_ENTER 0x0D
#define KEY_SPACE 0x20
#define KEY_ESC 0x1b
#define KEY_UP 0x26
#define KEY_DOWN 0x28
#define KEY_LEFT 0x25
#define KEY_RIGHT 0x27
#define KEY_BUTTON1 0x57
#define KEY_BUTTON2 0x58
#define GUI_COMMAND_NONE 0
#define GUI_COMMAND_RESET 1
#define GUI_COMMAND_SCHEME_CHANGE 2
#define GUI_COMMAND_FILTER_CHANGE 3
extern char app_window_title[256];
extern int app_gameRunning;
extern int app_terminate;
extern int app_fullscreen;
extern int app_rotated;
extern char app_window_title[256];
extern int app_terminate;
void ws_emulate(void);
#endif /* EMULATE_H */

2979
source/gpu.c
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File diff suppressed because it is too large Load Diff

39
source/gpu.h
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@ -1,33 +1,24 @@
//////////////////////////////////////////////////////////////////////////////
//
//////////////////////////////////////////////////////////////////////////////
//
//
//
//
//
//
//////////////////////////////////////////////////////////////////////////////
/*
* NewOswan
* gpu.h:
* Based on the original Oswan-unix
* Copyright (c) 2014-2021 986-Studio. All rights reserved.
*
*/
#ifndef __GPU_H__
#define __GPU_H__
#include <stdint.h>
#define COLOUR_SCHEME_DEFAULT 0
#define COLOUR_SCHEME_AMBER 1
#define COLOUR_SCHEME_GREEN 2
extern uint8_t ws_gpu_scanline;
extern uint8_t ws_gpu_operatingInColor;
extern uint8_t ws_videoMode;
extern int16_t ws_palette[16*4];
extern int8_t ws_paletteColors[8];
extern int16_t wsc_palette[16*16];
extern unsigned int ws_gpu_unknownPort;
extern uint32_t vblank_count;
extern uint8_t ws_gpu_scanline;
extern uint8_t ws_gpu_operatingInColor;
extern uint8_t ws_videoMode;
extern int16_t ws_palette[16 * 4];
extern int8_t ws_paletteColors[8];
extern int16_t wsc_palette[16 * 16];
extern unsigned int ws_gpu_unknownPort;
extern uint32_t vblank_count;
void ws_gpu_init(void);
void ws_gpu_done(void);

191
source/ieeprom.h
View File

@ -1,191 +0,0 @@
//////////////////////////////////////////////////////////////////////////////
//
//////////////////////////////////////////////////////////////////////////////
//
//
//
//
//
//
//////////////////////////////////////////////////////////////////////////////
uint8_t DefaultBWEEprom[]=
{
0xff,0xff,0xff,0xff,0xff,0xff,192,0xff,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,127,0x00,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0x00,252,0xff,1,0xff,253,0xff,253,0xff,253,0xff,253,
0xff,253,0xff,253,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0x00,0x00,3,3,0x00,0x00,0x00,64,128,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
135,5,140,9,5,12,139,12,144,0x00,0x00,2,
0x00,76,165,0x00,128,0x00,0x00,0x00,0xff,127,0xff,127,
0xff,127,0xff,127,0xff,127,0xff,127,0xff,127,0xff,127,
0xff,127,0xff,127,0xff,127,0xff,127,0xff,127,0xff,127,
0xff,127,0xff,127,0xff,127,0xff,127,0xff,127,0xff,127,
0xff,127,0xff,127,0xff,127,0xff,127,0xff,127,0xff,127,
0xff,127,0xff,127,0xff,127,0xff,127,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0x00,0x00,6,6,6,6,6,0x00,0x00,0x00,0x00,0x00,
1,128,15,0x00,1,1,1,15,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
'W'-54,'O'-54,'N'-54,'D'-54,'E'-54,'R'-54,'S'-54,'W'-54,'A'-54,'N'-54,0x00,0x00,0x00,0x00,0x00,
0x00,32,1,1,33,1,4,0x00,1,
0x00,152,60,127,74,1,53,1,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff
};
uint8_t DefaultColorEEprom[]=
{
0xff,0xff,0xff,0xff,0xff,0xff,192,0xff,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,127,0x00,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0x00,252,0xff,1,0xff,253,0xff,253,0xff,253,0xff,253,
0xff,253,0xff,253,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0x00,0x00,3,3,0x00,0x00,0x00,64,128,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
135,5,140,9,5,12,139,12,144,0x00,0x00,2,
0x00,76,165,0x00,128,0x00,0x00,0x00,0xff,127,0xff,127,
0xff,127,0xff,127,0xff,127,0xff,127,0xff,127,0xff,127,
0xff,127,0xff,127,0xff,127,0xff,127,0xff,127,0xff,127,
0xff,127,0xff,127,0xff,127,0xff,127,0xff,127,0xff,127,
0xff,127,0xff,127,0xff,127,0xff,127,0xff,127,0xff,127,
0xff,127,0xff,127,0xff,127,0xff,127,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0x00,0x00,6,6,6,6,6,0x00,0x00,0x00,0x00,0x00,
1,128,15,0x00,1,1,1,15,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
'W'-54,'O'-54,'N'-54,'D'-54,'E'-54,'R'-54,'S'-54,'W'-54,'A'-54,'N'-54,0x00,0x00,0x00,0x00,0x00,
0x00,32,1,1,33,1,4,0x00,1,
0x00,152,60,127,74,1,53,1,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff
};

663
source/io.c
View File

@ -1,6 +1,11 @@
////////////////////////////////////////////////////////////////////////////////
// I/O ports
////////////////////////////////////////////////////////////////////////////////
/*
* NewOswan
* io.c: I/O ports implementaton
* Based on the original Oswan-unix
* Copyright (c) 2014-2021 986-Studio. All rights reserved.
*
*/
//////////////////////////////////////////////////////////////////////////////
//
//
//
@ -8,7 +13,6 @@
//
//
//////////////////////////////////////////////////////////////////////////////
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
@ -40,26 +44,18 @@ extern uint64_t nec_monotonicCycles;
enum
{
EEPROM_SUBCOMMAND = 0, /* 00 00 */
EEPROM_WRITE, /* 01 xx */
EEPROM_READ, /* 10 xx */
EEPROM_ERASE, /* 11 xx */
EEPROM_WRITEDISABLE, /* 00 00 */
EEPROM_WRITEALL, /* 00 01 */
EEPROM_ERASEALL, /* 00 10 */
EEPROM_WRITEENABLE /* 00 11 */
EEPROM_SUBCOMMAND = 0, /* 00 00 */
EEPROM_WRITE, /* 01 xx */
EEPROM_READ, /* 10 xx */
EEPROM_ERASE, /* 11 xx */
EEPROM_WRITEDISABLE, /* 00 00 */
EEPROM_WRITEALL, /* 00 01 */
EEPROM_ERASEALL, /* 00 10 */
EEPROM_WRITEENABLE /* 00 11 */
};
char *eii_CommandName[] =
{
"SUB",
"WRI",
"RED",
"ERA",
"WRD",
"WRA",
"ERL",
"WRE",
char *eii_CommandName[] = {
"SUB", "WRI", "RED", "ERA", "WRD", "WRA", "ERL", "WRE",
};
uint8_t iee_WriteEnable = false;
@ -73,7 +69,7 @@ uint16_t cee_Databuffer = 0;
uint8_t cee_Mode = EEPROM_READ;
uint8_t *ws_ioRam=NULL;
uint8_t *ws_ioRam = NULL;
uint8_t ws_key_start;
uint8_t ws_key_x4;
@ -88,7 +84,7 @@ uint8_t ws_key_button_a;
uint8_t ws_key_button_b;
uint8_t ws_key_flipped;
int rtcDataRegisterReadCount=0;
int rtcDataRegisterReadCount = 0;
FILE *ioLogFp = NULL;
@ -105,18 +101,18 @@ FILE *ioLogFp = NULL;
////////////////////////////////////////////////////////////////////////////////
void ws_io_reset(void)
{
ws_key_start=0;
ws_key_x4=0;
ws_key_x2=0;
ws_key_x1=0;
ws_key_x3=0;
ws_key_y4=0;
ws_key_y2=0;
ws_key_y1=0;
ws_key_y3=0;
ws_key_button_a=0;
ws_key_button_b=0;
int i;
ws_key_start = 0;
ws_key_x4 = 0;
ws_key_x2 = 0;
ws_key_x1 = 0;
ws_key_x3 = 0;
ws_key_y4 = 0;
ws_key_y2 = 0;
ws_key_y1 = 0;
ws_key_y3 = 0;
ws_key_button_a = 0;
ws_key_button_b = 0;
int i;
for (i = 0 ; i < 0x100 ; i++)
{
@ -133,8 +129,9 @@ void ws_io_reset(void)
ws_ioRam[0xC2] = 0xFF;
ws_ioRam[0xC3] = 0xFF;
rtcDataRegisterReadCount=0;
rtcDataRegisterReadCount = 0;
}
////////////////////////////////////////////////////////////////////////////////
//
////////////////////////////////////////////////////////////////////////////////
@ -148,18 +145,19 @@ void ws_io_reset(void)
////////////////////////////////////////////////////////////////////////////////
void ws_io_init(void)
{
if (ws_ioRam==NULL)
{
ws_ioRam=(uint8_t*)malloc(0x100);
}
if (ws_ioRam == NULL)
{
ws_ioRam = (uint8_t *)malloc(0x100);
}
ws_io_reset();
ws_key_flipped=0;
ws_io_reset();
ws_key_flipped = 0;
#ifdef IO_DUMP
ioLogFp = fopen("iodump.csv", "wt");
ioLogFp = fopen("iodump.csv", "wt");
#endif
}
////////////////////////////////////////////////////////////////////////////////
//
////////////////////////////////////////////////////////////////////////////////
@ -173,8 +171,9 @@ void ws_io_init(void)
////////////////////////////////////////////////////////////////////////////////
void ws_io_flipControls(void)
{
ws_key_flipped=!ws_key_flipped;
ws_key_flipped = !ws_key_flipped;
}
////////////////////////////////////////////////////////////////////////////////
//
////////////////////////////////////////////////////////////////////////////////
@ -188,13 +187,13 @@ void ws_io_flipControls(void)
////////////////////////////////////////////////////////////////////////////////
void ws_io_done(void)
{
if (ws_ioRam==NULL)
{
free(ws_ioRam);
}
if (ws_ioRam == NULL)
{
free(ws_ioRam);
}
#ifdef IO_DUMP
fclose(ioLogFp);
fclose(ioLogFp);
#endif
}
@ -206,134 +205,135 @@ int serialfd = -1;
int serial_have_data = 0;
unsigned char serial_data = 0;
int serial_speed = BDR_9600;
void open_serial()
{
if (serialfd < 0)
{
serialfd = open(SERIAL_PORT, O_RDWR | O_NOCTTY | O_NDELAY);
if (serialfd < 0)
{
serialfd = open(SERIAL_PORT, O_RDWR | O_NOCTTY | O_NDELAY);
//set_baudrate(serial_speed);
serial_have_data = 0;
}
//set_baudrate(serial_speed);
serial_have_data = 0;
}
}
void set_baudrate(int speed)
{
struct termios options;
struct termios options;
if (serialfd < 0)
{
return;
}
if (serialfd < 0)
{
return;
}
tcgetattr(serialfd, &options);
tcgetattr(serialfd, &options);
options.c_cflag &= ~PARENB;
options.c_cflag &= ~CSTOPB;
options.c_cflag &= ~CSIZE;
options.c_cflag |= CS8;
options.c_cflag &= ~PARENB;
options.c_cflag &= ~CSTOPB;
options.c_cflag &= ~CSIZE;
options.c_cflag |= CS8;
if (speed == BDR_9600)
{
cfsetispeed(&options, B9600);
}
else
{
cfsetospeed(&options, B38400);
}
if (speed == BDR_9600)
{
cfsetispeed(&options, B9600);
}
else
{
cfsetospeed(&options, B38400);
}
#if 0
options.c_cflag &= ~CNEW_RTSCTS;
options.c_cflag &= ~CNEW_RTSCTS;
#else
options.c_cflag &= ~CRTSCTS;
options.c_cflag &= ~CRTSCTS;
#endif
options.c_cflag |= (CLOCAL | CREAD);
options.c_cflag |= (CLOCAL | CREAD);
options.c_lflag &= ~(ICANON | ECHO | ECHOE | ISIG);
options.c_lflag &= ~(ICANON | ECHO | ECHOE | ISIG);
options.c_oflag &= ~OPOST;
options.c_oflag &= ~OPOST;
tcsetattr(serialfd, TCSANOW, &options);
tcsetattr(serialfd, TCSANOW, &options);
/* Make sure read is not blocking */
fcntl(serialfd, F_SETFL, FNDELAY);
/* Make sure read is not blocking */
fcntl(serialfd, F_SETFL, FNDELAY);
}
void close_serial()
{
close(serialfd);
serialfd = -1;
close(serialfd);
serialfd = -1;
}
void check_serial_data()
{
unsigned char buf[10];
int f;
unsigned char buf[10];
int f;
if (serialfd < 0)
{
return;
}
if (serialfd < 0)
{
return;
}
if (serial_have_data == 0)
{
f = read(serialfd, buf, 1);
if (serial_have_data == 0)
{
f = read(serialfd, buf, 1);
if (f > 0)
{
printf("Ho [%d]!\n", f);
fflush(stdout);
serial_have_data = 0x01;
serial_data = buf[0];
}
}
if (f > 0)
{
printf("Ho [%d]!\n", f);
fflush(stdout);
serial_have_data = 0x01;
serial_data = buf[0];
}
}
if(serial_have_data > 0)
{
/* Gen an int if enabled */
if(ws_ioRam[0xB2] & 0x04)
{
ws_ioRam[0xb6] &= ~ 0x04;
printf("SERIAL INNNNNTTTT!!!!!!!");
nec_int((ws_ioRam[0xb0]+3)*4);
}
}
if (serial_have_data > 0)
{
/* Gen an int if enabled */
if (ws_ioRam[0xB2] & 0x04)
{
ws_ioRam[0xb6] &= ~0x04;
printf("SERIAL INNNNNTTTT!!!!!!!");
nec_int((ws_ioRam[0xb0] + 3) * 4);
}
}
}
unsigned char read_serial()
{
unsigned char buf[10];
int f;
unsigned char buf[10];
int f;
if (serialfd < 0)
{
return 0xFF;
}
if (serialfd < 0)
{
return 0xFF;
}
if (serial_have_data > 0)
{
serial_have_data = 0;
return serial_data;
}
if (serial_have_data > 0)
{
serial_have_data = 0;
return serial_data;
}
f = read(serialfd, buf, 1);
f = read(serialfd, buf, 1);
if (f == 1)
{
return buf[0];
}
if (f == 1)
{
return buf[0];
}
return 0x42;
return 0x42;
}
void write_serial(unsigned char value)
{
if (serialfd < 0)
{
return;
}
if (serialfd < 0)
{
return;
}
write(serialfd, &value, 1);
write(serialfd, &value, 1);
}
@ -390,10 +390,12 @@ uint8_t cpu_readport(uint8_t port)
case 0x91:
case 0x92:
case 0x93:
case 0x94:retVal = ws_audio_port_read(port);
case 0x94:
retVal = ws_audio_port_read(port);
break;
case 0xb5:w1 = ws_ioRam[0xb5];
case 0xb5:
w1 = ws_ioRam[0xb5];
if (w1 & 0x40)
{
@ -445,10 +447,12 @@ uint8_t cpu_readport(uint8_t port)
{
case WS_SYSTEM_AUTODETECT:
case WS_SYSTEM_MONO:
case WS_SYSTEM_COLOR:retVal = 0x00;
case WS_SYSTEM_COLOR:
retVal = 0x00;
break;
case WS_SYSTEM_CRYSTAL:retVal = 0x80;
case WS_SYSTEM_CRYSTAL:
retVal = 0x80;
break;
}
break;
@ -509,31 +513,38 @@ uint8_t cpu_readport(uint8_t port)
switch (rtcDataRegisterReadCount)
{
case 0:rtcDataRegisterReadCount++;
case 0:
rtcDataRegisterReadCount++;
retVal = BCD(newtime->tm_year - 100);
goto exit;
case 1:rtcDataRegisterReadCount++;
case 1:
rtcDataRegisterReadCount++;
retVal = BCD(newtime->tm_mon);
goto exit;
case 2:rtcDataRegisterReadCount++;
case 2:
rtcDataRegisterReadCount++;
retVal = BCD(newtime->tm_mday);
goto exit;
case 3:rtcDataRegisterReadCount++;
case 3:
rtcDataRegisterReadCount++;
retVal = BCD(newtime->tm_wday);
goto exit;
case 4:rtcDataRegisterReadCount++;
case 4:
rtcDataRegisterReadCount++;
retVal = BCD(newtime->tm_hour);
goto exit;
case 5:rtcDataRegisterReadCount++;
case 5:
rtcDataRegisterReadCount++;
retVal = BCD(newtime->tm_min);
goto exit;
case 6:rtcDataRegisterReadCount = 0;
case 6:
rtcDataRegisterReadCount = 0;
retVal = BCD(newtime->tm_sec);
goto exit;
}
@ -547,15 +558,18 @@ uint8_t cpu_readport(uint8_t port)
goto exit;
}
case 0xD0:retVal = 0;
case 0xD0:
retVal = 0;
goto exit;
/* Serial port link.. */
case 0xB1:retVal = read_serial();
case 0xB1:
retVal = read_serial();
printf("RS232: Read %02X\n", retVal);
goto exit;
case 0xB3:check_serial_data();
case 0xB3:
check_serial_data();
if (ws_ioRam[0xB3] & 0x80)
{
@ -572,10 +586,12 @@ uint8_t cpu_readport(uint8_t port)
goto exit;
case 0xCC:
case 0xCD:retVal = 0;
case 0xCD:
retVal = 0;
break;
default:retVal = ws_ioRam[port];
default:
retVal = ws_ioRam[port];
if (port > 0xD0)
{
printf("ReadIO %02X <= %02X\n", port, retVal);
@ -586,7 +602,8 @@ uint8_t cpu_readport(uint8_t port)
case 0xAA:
case 0xAB:
case 0xAC:
case 0xAD:retVal = ws_gpu_port_read(port);
case 0xAD:
retVal = ws_gpu_port_read(port);
break;
}
@ -645,7 +662,8 @@ void cpu_writeport(uint32_t port, uint8_t value)
switch (port)
{
/* GPU IOs */
case 0x00:break;
case 0x00:
break;
case 0x04:
case 0x07:
@ -666,7 +684,8 @@ void cpu_writeport(uint32_t port, uint8_t value)
case 0x11:
case 0x12:
case 0x13:
case 0x14:break;
case 0x14:
break;
case 0x15:
printf("Icons %c %c %c %c %c %c %c %c\n", (value >> 7) & 1 ? '?' : ' ', (value >> 6) & 1 ? '?' : ' ',
@ -708,7 +727,8 @@ void cpu_writeport(uint32_t port, uint8_t value)
case 0x36:
case 0x24:
case 0x2E:
case 0x37:break;
case 0x37:
break;
/* DMAs */
case 0x40:
@ -718,7 +738,8 @@ void cpu_writeport(uint32_t port, uint8_t value)
case 0x44:
case 0x45:
case 0x46:
case 0x47:break;
case 0x47:
break;
case 0x48: // DMA
@ -753,14 +774,17 @@ void cpu_writeport(uint32_t port, uint8_t value)
case 0x4c:
case 0x4d:
case 0x4e:
case 0x4f:ws_audio_port_write(port, value);
case 0x4f:
ws_audio_port_write(port, value);
break;
/* DMA Start! */
case 0x52:break;
case 0x52:
break;
/* GPU (again) */
case 0x60:break;
case 0x60:
break;
/* System */
case 0x62:
printf("HeyHo!");
@ -797,7 +821,8 @@ void cpu_writeport(uint32_t port, uint8_t value)
case 0x9B:
case 0x9C:
case 0x9D:
case 0x9E:ws_audio_port_write(port, value);
case 0x9E:
ws_audio_port_write(port, value);
break;
/* Hardware */
@ -815,17 +840,20 @@ void cpu_writeport(uint32_t port, uint8_t value)
case 0xA8:
case 0xA9:
case 0xAA:
case 0xAB:break;
case 0xAB:
break;
/* Intc */
case 0xB0:
case 0xB2:
case 0xB4:
case 0xB6:break;
case 0xB6:
break;
/* Serial */
case 0xB1:write_serial(value);
case 0xB1:
write_serial(value);
break;
case 0xB3:
@ -850,7 +878,8 @@ void cpu_writeport(uint32_t port, uint8_t value)
break;
/* buttons */
case 0xB5:break;
case 0xB5:
break;
/* Internal EEPROM */
case 0xba: /* DATA Low */
@ -885,216 +914,216 @@ void cpu_writeport(uint32_t port, uint8_t value)
command = (iee_SelAddress >> 10) & 0x3;
address = iee_SelAddress & 0x3FF;
subcmd = (iee_SelAddress >> 8) & 0x03;
}
else
{
}
else
{
/* S CC aaAAAA */
command = (iee_SelAddress >> 6) & 0x3;
address = iee_SelAddress & 0x3F;
subcmd = (iee_SelAddress >> 4) & 0x03;
}
}
if (command == EEPROM_SUBCOMMAND)
{
if (command == EEPROM_SUBCOMMAND)
{
command = EEPROM_WRITEDISABLE + subcmd;
}
}
printf("IEEP: RA:%04X RD:%04X A:%03X C:%s", iee_SelAddress, iee_Databuffer, address, eii_CommandName[command]);
printf("IEEP: RA:%04X RD:%04X A:%03X C:%s", iee_SelAddress, iee_Databuffer, address, eii_CommandName[command]);
if (value & 0x40)
{
if (value & 0x40)
{
/* Sub command */
printf(" - Sub");
if (command == EEPROM_WRITEENABLE)
{
printf(" Write Enable\n");
iee_WriteEnable = true;
printf(" Write Enable\n");
iee_WriteEnable = true;
}
else if (command == EEPROM_WRITEDISABLE)
{
printf(" Write Disable\n");
iee_WriteEnable = false;
printf(" Write Disable\n");
iee_WriteEnable = false;
}
else if (command == EEPROM_ERASEALL)
{
printf(" Erase All\n");
if (ws_gpu_operatingInColor)
{
memset(internalEeprom, 0, COLOR_IEEPROM_SIZE);
}
else
{
memset(internalEeprom, 0, BW_IEEPROM_SIZE);
}
printf(" Erase All\n");
if (ws_gpu_operatingInColor)
{
memset(internalEeprom, 0, COLOR_IEEPROM_SIZE);
}
else
{
memset(internalEeprom, 0, BW_IEEPROM_SIZE);
}
}
else
{
printf(" Write All?\n");
printf(" Write All?\n");
}
}
else if (value & 0x20)
{
}
else if (value & 0x20)
{
/* Write */
printf(" - Write?");
if (iee_WriteEnable)
{
printf(" Yes : %04X\n", iee_Databuffer);
internalEeprom[address] = iee_Databuffer;
printf(" Yes : %04X\n", iee_Databuffer);
internalEeprom[address] = iee_Databuffer;
}
else
{
printf(" No\n");
printf(" No\n");
}
}
else if (value & 0x10)
{
}
else if (value & 0x10)
{
/* Read */
printf(" - Read");
iee_Databuffer = internalEeprom[address];
printf(" Data : %04X\n", iee_Databuffer);
}
else
{
}
else
{
printf(" Unknown value: %02X\n", value);
}
fflush(stdout);
}
break;
}
fflush(stdout);
}
break;
/* MBC */
case 0xC0:
case 0xC1:
case 0xC2:
case 0xC3:
break;
/* MBC */
case 0xC0:
case 0xC1:
case 0xC2:
case 0xC3:
break;
/* Cart EEPROM */
case 0xC4: /* Data High */
cee_Databuffer = cee_Databuffer & 0xFF00;
cee_Databuffer = cee_Databuffer | (value);
break;
/* Cart EEPROM */
case 0xC4: /* Data High */
cee_Databuffer = cee_Databuffer & 0xFF00;
cee_Databuffer = cee_Databuffer | (value);
break;
case 0xC5: /* Data High */
cee_Databuffer = cee_Databuffer & 0x00FF;
cee_Databuffer = cee_Databuffer | (value << 8);
break;
case 0xC5: /* Data High */
cee_Databuffer = cee_Databuffer & 0x00FF;
cee_Databuffer = cee_Databuffer | (value << 8);
break;
case 0xC6: /* Address Low */
case 0xC7: /* Address High */
break;
case 0xC6: /* Address Low */
case 0xC7: /* Address High */
break;
case 0xC8: /* Command / Status */
{
uint16_t address, command, subcmd; /*, start;*/
case 0xC8: /* Command / Status */
{
uint16_t address, command, subcmd; /*, start;*/
cee_SelAddress = (ws_ioRam[0xBD] << 8) | ws_ioRam[0xBC];
cee_SelAddress = (ws_ioRam[0xBD] << 8) | ws_ioRam[0xBC];
/* S CC aaAAAA */
command = (cee_SelAddress >> 6) & 0x3;
address = cee_SelAddress & 0x3F;
subcmd = (cee_SelAddress >> 4) & 0x03;
/* S CC aaAAAA */
command = (cee_SelAddress >> 6) & 0x3;
address = cee_SelAddress & 0x3F;
subcmd = (cee_SelAddress >> 4) & 0x03;
if (command == EEPROM_SUBCOMMAND)
{
command = EEPROM_WRITEDISABLE + subcmd;
}
if (command == EEPROM_SUBCOMMAND)
{
command = EEPROM_WRITEDISABLE + subcmd;
}
printf("CEEP: RA:%04X RD:%04X A:%03X C:%s", cee_SelAddress, cee_Databuffer, address, eii_CommandName[command]);
printf("CEEP: RA:%04X RD:%04X A:%03X C:%s", cee_SelAddress, cee_Databuffer, address, eii_CommandName[command]);
if (value & 0x40)
{
/* Sub command */
printf(" - Sub");
if (command == EEPROM_WRITEENABLE)
{
printf(" Write Enable\n");
cee_WriteEnable = true;
}
else if (command == EEPROM_WRITEDISABLE)
{
printf(" Write Disable\n");
cee_WriteEnable = false;
}
else if (command == EEPROM_ERASEALL)
{
printf(" Erase All\n");
/* Nothing here at the moment */
}
else
{
printf(" Write All?\n");
}
}
else if (value & 0x20)
{
/* Write */
printf(" - Write?");
if (cee_WriteEnable)
{
printf(" Yes : %04X\n", cee_Databuffer);
externalEeprom[address] = cee_Databuffer;
}
else
{
printf(" No\n");
}
}
else if (value & 0x10)
{
/* Read */
printf(" - Read");
cee_Databuffer = externalEeprom[address];
printf(" Data : %04X\n", cee_Databuffer);
}
else
{
printf(" Unknown value: %02X\n", value);
}
fflush(stdout);
}
break;
if (value & 0x40)
{
/* Sub command */
printf(" - Sub");
if (command == EEPROM_WRITEENABLE)
{
printf(" Write Enable\n");
cee_WriteEnable = true;
}
else if (command == EEPROM_WRITEDISABLE)
{
printf(" Write Disable\n");
cee_WriteEnable = false;
}
else if (command == EEPROM_ERASEALL)
{
printf(" Erase All\n");
/* Nothing here at the moment */
}
else
{
printf(" Write All?\n");
}
}
else if (value & 0x20)
{
/* Write */
printf(" - Write?");
if (cee_WriteEnable)
{
printf(" Yes : %04X\n", cee_Databuffer);
externalEeprom[address] = cee_Databuffer;
}
else
{
printf(" No\n");
}
}
else if (value & 0x10)
{
/* Read */
printf(" - Read");
cee_Databuffer = externalEeprom[address];
printf(" Data : %04X\n", cee_Databuffer);
}
else
{
printf(" Unknown value: %02X\n", value);
}
fflush(stdout);
}
break;
case 0xca:
if(value==0x15)
{
rtcDataRegisterReadCount=0;
}
case 0xca:
if (value == 0x15)
{
rtcDataRegisterReadCount = 0;
}
break;
break;
break;
break;
case 0xCB:
break;
case 0xCB:
break;
case 0xF0:
break;
case 0xF0:
break;
case 0xF1:
printf("%d\n", (signed short)((value << 8) | ws_ioRam[0xF0]));
break;
case 0xF1:
printf("%d\n", (signed short)((value << 8) | ws_ioRam[0xF0]));
break;
case 0xF2:
printf("%c", value);
fflush(stdout);
break;
case 0xF2:
printf("%c", value);
fflush(stdout);
break;
case 0xB7:
break; /* Somwthing to write there, but what? */
case 0xB7:
break; /* Somwthing to write there, but what? */
default:
unknown_io_port=1;
}
default:
unknown_io_port = 1;
}
if ((ws_gpu_port_write(port,value) == 1) && (unknown_io_port == 1))
{
fprintf(log_get(),"WriteIO(%02X, %02X) [%04X:%04Xh];\n",port, value, I.sregs[CS], I.ip);
}
if ((ws_gpu_port_write(port, value) == 1) && (unknown_io_port == 1))
{
fprintf(log_get(), "WriteIO(%02X, %02X) [%04X:%04Xh];\n", port, value, I.sregs[CS], I.ip);
}
if (port >= 0xC4)
{
fprintf(log_get(),"WriteMBCIO(%02X, %02X);\n",port, value);
}
if (port >= 0xC4)
{
fprintf(log_get(), "WriteMBCIO(%02X, %02X);\n", port, value);
}
}

11
source/io.h
View File

@ -1,5 +1,10 @@
//////////////////////////////////////////////////////////////////////////////
//
/*
* NewOswan
* io.h:
* Based on the original Oswan-unix
* Copyright (c) 2014-2021 986-Studio. All rights reserved.
*
*/
//////////////////////////////////////////////////////////////////////////////
//
//
@ -14,7 +19,7 @@
#include <stdint.h>
extern uint8_t *ws_ioRam;
extern uint8_t *ws_ioRam;
extern uint8_t ws_key_start;
extern uint8_t ws_key_x4;
extern uint8_t ws_key_x2;

31
source/log.c
View File

@ -1,5 +1,10 @@
//////////////////////////////////////////////////////////////////////////////
//
/*
* NewOswan
* log.c:
* Based on the original Oswan-unix
* Copyright (c) 2014-2021 986-Studio. All rights reserved.
*
*/
//////////////////////////////////////////////////////////////////////////////
//
//
@ -13,7 +18,7 @@
#include <stdlib.h>
#include "log.h"
FILE *log_stream=NULL;
FILE *log_stream = NULL;
//////////////////////////////////////////////////////////////////////////////
//
@ -27,16 +32,17 @@ FILE *log_stream=NULL;
//////////////////////////////////////////////////////////////////////////////
int log_init(char *path)
{
//log_stream=fopen(path,"wrt");
log_stream = stdout;
//log_stream=fopen(path,"wrt");
log_stream = stdout;
if (log_stream==NULL)
{
return(0);
}
if (log_stream == NULL)
{
return (0);
}
return(1);
return (1);
}
//////////////////////////////////////////////////////////////////////////////
//
//////////////////////////////////////////////////////////////////////////////
@ -49,8 +55,9 @@ int log_init(char *path)
//////////////////////////////////////////////////////////////////////////////
FILE *log_get(void)
{
return(log_stream);
return (log_stream);
}
//////////////////////////////////////////////////////////////////////////////
//
//////////////////////////////////////////////////////////////////////////////
@ -63,5 +70,5 @@ FILE *log_get(void)
//////////////////////////////////////////////////////////////////////////////
void log_done(void)
{
fclose(log_stream);
fclose(log_stream);
}

9
source/log.h
View File

@ -1,5 +1,10 @@
//////////////////////////////////////////////////////////////////////////////
//
/*
* NewOswan
* log.h:
* Based on the original Oswan-unix
* Copyright (c) 2014-2021 986-Studio. All rights reserved.
*
*/
//////////////////////////////////////////////////////////////////////////////
//
//

167
source/memory.c
View File

@ -1,5 +1,10 @@
////////////////////////////////////////////////////////////////////////////////
// Memory
/*
* NewOswan
* memory.c: Memory implementatoion
* Based on the original Oswan-unix
* Copyright (c) 2014-2021 986-Studio. All rights reserved.
*
*/
////////////////////////////////////////////////////////////////////////////////
// Notes: need to optimize cpu_writemem20
//
@ -16,6 +21,7 @@
#include <fcntl.h>
#include <time.h>
#include <errno.h>
#include <stdbool.h>
#include <sys/mman.h>
#include <sys/types.h>
#include <sys/stat.h>
@ -29,7 +35,6 @@
#include "gpu.h"
#include "audio.h"
#include "memory.h"
#include <stdbool.h>
////////////////////////////////////////////////////////////////////////////////
//
@ -42,7 +47,7 @@
//
//
////////////////////////////////////////////////////////////////////////////////
#define IO_ROM_BANK_BASE_SELECTOR 0xC0
#define IO_ROM_BANK_BASE_SELECTOR 0xC0
uint8_t *ws_rom;
uint8_t *ws_staticRam;
@ -60,15 +65,16 @@ uint16_t *internalEeprom;
extern uint8_t *ws_ioRam;
uint16_t ws_rom_checksum;
uint16_t ws_rom_checksum;
uint8_t ws_haveColorIRom;
uint8_t ws_haveBWIRom;
uint8_t ws_haveCrystalIRom;
uint8_t ws_haveColorIRom;
uint8_t ws_haveBWIRom;
uint32_t sramAddressMask;
uint32_t externalEepromAddressMask;
uint32_t romAddressMask;
uint32_t romSize;
uint32_t sramAddressMask;
uint32_t externalEepromAddressMask;
uint32_t romAddressMask;
uint32_t romSize;
int ws_sram_dirty = 0;
@ -76,46 +82,46 @@ extern nec_Regs I;
void dump_memory()
{
int i;
FILE *fp;
printf("Dumping memory....\n");
fp = fopen("iram.bin", "wb");
fwrite(internalRam, 1, 0x10000, fp);
fclose(fp);
int i;
FILE *fp;
printf("Dumping memory....\n");
fp = fopen("iram.bin", "wb");
fwrite(internalRam, 1, 0x10000, fp);
fclose(fp);
fp = fopen("sram.bin", "wb");
fwrite(ws_staticRam, 1, 0x10000, fp);
fclose(fp);
fp = fopen("sram.bin", "wb");
fwrite(ws_staticRam, 1, 0x10000, fp);
fclose(fp);
fp = fopen("rom.bin", "wb");
fwrite(ws_rom, 1, romSize, fp);
fclose(fp);
fp = fopen("rom.bin", "wb");
fwrite(ws_rom, 1, romSize, fp);
fclose(fp);
fp = fopen("memorydump.bin", "wb");
fwrite(internalRam, 1, 0x10000, fp);
/* page 1 */
fwrite(&(ws_staticRam[0 & sramAddressMask]), 1, 0x10000, fp);
fwrite(&(ws_rom[((ws_ioRam[IO_ROM_BANK_BASE_SELECTOR+2]&((romSize>>16)-1))<<16)]), 1, 0x10000, fp);
fwrite(&(ws_rom[((ws_ioRam[IO_ROM_BANK_BASE_SELECTOR+3]&((romSize>>16)-1))<<16)]), 1, 0x10000, fp);
fp = fopen("memorydump.bin", "wb");
fwrite(internalRam, 1, 0x10000, fp);
/* page 1 */
fwrite(&(ws_staticRam[0 & sramAddressMask]), 1, 0x10000, fp);
fwrite(&(ws_rom[((ws_ioRam[IO_ROM_BANK_BASE_SELECTOR + 2] & ((romSize >> 16) - 1)) << 16)]), 1, 0x10000, fp);
fwrite(&(ws_rom[((ws_ioRam[IO_ROM_BANK_BASE_SELECTOR + 3] & ((romSize >> 16) - 1)) << 16)]), 1, 0x10000, fp);
for(i = 4; i < 0x10; i++)
{
int romBank=(256-(((ws_ioRam[IO_ROM_BANK_BASE_SELECTOR]&0xf)<<4)|(i&0xf)));
fwrite(&(ws_rom[(unsigned)(romSize-(romBank<<16))]), 1, 0x10000, fp);
}
for (i = 4 ; i < 0x10 ; i++)
{
int romBank = (256 - (((ws_ioRam[IO_ROM_BANK_BASE_SELECTOR] & 0xf) << 4) | (i & 0xf)));
fwrite(&(ws_rom[(unsigned)(romSize - (romBank << 16))]), 1, 0x10000, fp);
}
fclose(fp);
fclose(fp);
fp = fopen("registers.bin", "wb");
fwrite(ws_ioRam, 1, 256, fp);
fclose(fp);
fp = fopen("registers.bin", "wb");
fwrite(ws_ioRam, 1, 256, fp);
fclose(fp);
fp = fopen("cpuregs.bin", "wb");
/* CS */
fwrite(&I.sregs[CS], 1, 2, fp);
/* IP */
fwrite(&I.ip, 1, 2, fp);
fclose(fp);
fp = fopen("cpuregs.bin", "wb");
/* CS */
fwrite(&I.sregs[CS], 1, 2, fp);
/* IP */
fwrite(&I.ip, 1, 2, fp);
fclose(fp);
}
////////////////////////////////////////////////////////////////////////////////
@ -131,24 +137,25 @@ void dump_memory()
////////////////////////////////////////////////////////////////////////////////
void cpu_writemem20(uint32_t addr, uint8_t value)
{
uint32_t offset=addr&0xffff;
uint32_t bank=addr>>16;
uint32_t offset = addr & 0xffff;
uint32_t bank = addr >> 16;
if (!bank)
{
// 0 - RAM - 16 KB (WS) / 64 KB (WSC) internal RAM
ws_gpu_write_byte(offset,value);
ws_audio_write_byte(offset,value);
}
else if (bank==1)
{
if (!bank)
{
// 0 - RAM - 16 KB (WS) / 64 KB (WSC) internal RAM
ws_gpu_write_byte(offset, value);
ws_audio_write_byte(offset, value);
}
else if (bank == 1)
{
// 1 - SRAM (cart)
ws_staticRam[offset&sramAddressMask]=value;
ws_sram_dirty = 1;
}
ws_staticRam[offset & sramAddressMask] = value;
ws_sram_dirty = 1;
}
// other banks are read-only
// other banks are read-only
}
////////////////////////////////////////////////////////////////////////////////
//
////////////////////////////////////////////////////////////////////////////////
@ -206,7 +213,8 @@ uint8_t cpu_readmem20(uint32_t addr)
temp &= (romSize - 1);
return ws_rom[temp];
case 0xF:hwReg = ws_ioRam[0xA0];
case 0xF:
hwReg = ws_ioRam[0xA0];
if (!(hwReg & 1))
{
@ -237,7 +245,8 @@ uint8_t cpu_readmem20(uint32_t addr)
}
// fall through
default:hwReg = ws_ioRam[0xC0];
default:
hwReg = ws_ioRam[0xC0];
temp = hwReg << 20;
temp += addr & 0xFFFFF;
temp &= (romSize - 1);
@ -246,6 +255,7 @@ uint8_t cpu_readmem20(uint32_t addr)
return (0x90);
}
////////////////////////////////////////////////////////////////////////////////
//
////////////////////////////////////////////////////////////////////////////////
@ -267,9 +277,9 @@ char *load_file(char *filename)
fstat(fd, &FileStat);
printf("Trying to load %s, size = %lu...\n",filename, (unsigned long)FileStat.st_size);
printf("Trying to load %s, size = %lu...\n", filename, (unsigned long)FileStat.st_size);
ret_ptr = (char *)mmap(NULL, FileStat.st_size, PROT_READ|PROT_WRITE, MAP_SHARED, fd, 0);
ret_ptr = (char *)mmap(NULL, FileStat.st_size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
close(fd);
@ -280,6 +290,7 @@ char *load_file(char *filename)
return ret_ptr;
}
////////////////////////////////////////////////////////////////////////////////
//
////////////////////////////////////////////////////////////////////////////////
@ -296,9 +307,9 @@ char *create_file(char *filename, uint32_t size)
int fd;
uint32_t i;
char *ret_ptr;
char buf[] = { 0 };
char buf[] = {0};
printf("Trying to create %s, size = %u...\n",filename, size);
printf("Trying to create %s, size = %u...\n", filename, size);
fd = open(filename, O_CREAT | S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH | O_TRUNC, 0644);
fchmod(fd, 0644);
close(fd);
@ -306,16 +317,16 @@ char *create_file(char *filename, uint32_t size)
fd = open(filename, O_RDWR);
for(i = 0; i < size; i++)
for (i = 0 ; i < size ; i++)
{
write(fd, buf, 1);
write(fd, buf, 1);
}
close(fd);
sync();
sync();
fd = open(filename, O_RDWR);
ret_ptr = (char *)mmap(NULL, size, PROT_READ|PROT_WRITE, MAP_SHARED, fd, 0);
ret_ptr = (char *)mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
close(fd);
@ -326,6 +337,7 @@ char *create_file(char *filename, uint32_t size)
return ret_ptr;
}
////////////////////////////////////////////////////////////////////////////////
//
////////////////////////////////////////////////////////////////////////////////
@ -403,6 +415,7 @@ void ws_memory_init(uint8_t *rom, uint32_t wsRomSize)
romAddressMask = romSize - 1;
}
////////////////////////////////////////////////////////////////////////////////
//
////////////////////////////////////////////////////////////////////////////////
@ -416,8 +429,9 @@ void ws_memory_init(uint8_t *rom, uint32_t wsRomSize)
////////////////////////////////////////////////////////////////////////////////
void ws_memory_reset(void)
{
memset(internalRam,0,0x10000);
memset(internalRam, 0, 0x10000);
}
////////////////////////////////////////////////////////////////////////////////
//
////////////////////////////////////////////////////////////////////////////////
@ -431,8 +445,9 @@ void ws_memory_reset(void)
////////////////////////////////////////////////////////////////////////////////
void ws_memory_done(void)
{
free(internalRam);
free(internalRam);
}
////////////////////////////////////////////////////////////////////////////////
//
////////////////////////////////////////////////////////////////////////////////
@ -446,8 +461,9 @@ void ws_memory_done(void)
////////////////////////////////////////////////////////////////////////////////
uint8_t *memory_getRom(void)
{
return(ws_rom);
return (ws_rom);
}
////////////////////////////////////////////////////////////////////////////////
//
////////////////////////////////////////////////////////////////////////////////
@ -459,10 +475,11 @@ uint8_t *memory_getRom(void)
//
//
////////////////////////////////////////////////////////////////////////////////
uint32_t memory_getRomSize(void)
uint32_t memory_getRomSize(void)
{
return(romSize);
return (romSize);
}
////////////////////////////////////////////////////////////////////////////////
//
////////////////////////////////////////////////////////////////////////////////
@ -474,7 +491,7 @@ uint32_t memory_getRomSize(void)
//
//
////////////////////////////////////////////////////////////////////////////////
uint16_t memory_getRomCrc(void)
uint16_t memory_getRomCrc(void)
{
return(ws_rom_checksum);
return (ws_rom_checksum);
}

27
source/memory.h
View File

@ -1,5 +1,10 @@
//////////////////////////////////////////////////////////////////////////////
//
/*
* NewOswan
* memory.h:
* Based on the original Oswan-unix
* Copyright (c) 2014-2021 986-Studio. All rights reserved.
*
*/
//////////////////////////////////////////////////////////////////////////////
//
//
@ -14,16 +19,16 @@
#include <stdint.h>
extern uint8_t *ws_staticRam;
extern uint8_t *internalRam;
extern uint8_t *externalEeprom;
extern uint8_t *ws_staticRam;
extern uint8_t *internalRam;
extern uint8_t *externalEeprom;
void ws_memory_init(uint8_t *rom, uint32_t romSize);
void ws_memory_reset(void);
uint8_t *memory_getRom(void);
uint32_t memory_getRomSize(void);
uint16_t memory_getRomCrc(void);
void ws_memory_done(void);
void ws_memory_init(uint8_t *rom, uint32_t romSize);
void ws_memory_reset(void);
uint8_t *memory_getRom(void);
uint32_t memory_getRomSize(void);
uint16_t memory_getRomCrc(void);
void ws_memory_done(void);
void memory_load(int fp);
void memory_save(int fp);

7204
source/nec/nec.c
View File

File diff suppressed because it is too large Load Diff

517
source/nec/nec.h
View File

@ -1,37 +1,54 @@
/*
* NewOswan
* nec.h:
* Based on the original Oswan-unix
* Copyright (c) 2014-2021 986-Studio. All rights reserved.
*
*/
#ifndef __NEC_H_
#define __NEC_H_
#include <stdint.h>
#include "necintrf.h"
typedef enum { ES, CS, SS, DS } SREGS;
typedef enum { AW, CW, DW, BW, SP, BP, IX, IY } WREGS;
typedef enum { AL,AH,CL,CH,DL,DH,BL,BH,SPL,SPH,BPL,BPH,IXL,IXH,IYL,IYH } BREGS;
typedef enum
{
ES, CS, SS, DS
} SREGS;
typedef enum
{
AW, CW, DW, BW, SP, BP, IX, IY
} WREGS;
typedef enum
{
AL, AH, CL, CH, DL, DH, BL, BH, SPL, SPH, BPL, BPH, IXL, IXH, IYL, IYH
} BREGS;
#pragma pack(1)
typedef union
{
/* eight general registers */
uint16_t w[8]; /* viewed as 16 bits registers */
uint8_t b[16]; /* or as 8 bit registers */
/* eight general registers */
uint16_t w[8]; /* viewed as 16 bits registers */
uint8_t b[16]; /* or as 8 bit registers */
} necbasicregs;
typedef struct
{
necbasicregs regs;
uint16_t sregs[4];
necbasicregs regs;
uint16_t sregs[4];
uint16_t ip;
uint16_t ip;
int32_t SignVal;
int32_t AuxVal, OverVal, ZeroVal, CarryVal, ParityVal; /* 0 or non-0 valued flags */
int32_t SignVal;
int32_t AuxVal, OverVal, ZeroVal, CarryVal, ParityVal; /* 0 or non-0 valued flags */
uint32_t TF, IF, DF, MF; /* 0 or 1 valued flags */ /* OB[19.07.99] added Mode Flag V30 */
uint32_t TF, IF, DF, MF; /* 0 or 1 valued flags */ /* OB[19.07.99] added Mode Flag V30 */
uint32_t int_vector;
uint32_t pending_irq;
uint32_t nmi_state;
uint32_t irq_state;
int (*irq_callback)(int irqline);
uint32_t int_vector;
uint32_t pending_irq;
uint32_t nmi_state;
uint32_t irq_state;
int (*irq_callback)(int irqline);
} nec_Regs;
#pragma pack()
@ -49,30 +66,28 @@ typedef struct
/* parameter x = result, y = source 1, z = source 2 */
#define SetTF(x) (I.TF = (x))
#define SetIF(x) (I.IF = (x))
#define SetDF(x) (I.DF = (x))
#define SetMD(x) (I.MF = (x)) /* OB [19.07.99] Mode Flag V30 */
#define SetTF(x) (I.TF = (x))
#define SetIF(x) (I.IF = (x))
#define SetDF(x) (I.DF = (x))
#define SetMD(x) (I.MF = (x)) /* OB [19.07.99] Mode Flag V30 */
#define SetCFB(x) (I.CarryVal = (x) & 0x100)
#define SetCFW(x) (I.CarryVal = (x) & 0x10000)
#define SetCFB(x) (I.CarryVal = (x) & 0x100)
#define SetCFW(x) (I.CarryVal = (x) & 0x10000)
#define SetAF(x,y,z) (I.AuxVal = ((x) ^ ((y) ^ (z))) & 0x10)
#define SetAF(x, y, z) (I.AuxVal = ((x) ^ ((y) ^ (z))) & 0x10)
#define SetSF(x) (I.SignVal = (x))
#define SetZF(x) (I.ZeroVal = (x))
#define SetPF(x) (I.ParityVal = (x))
#define SetSF(x) (I.SignVal = (x))
#define SetZF(x) (I.ZeroVal = (x))
#define SetPF(x) (I.ParityVal = (x))
#define SetSZPF_Byte(x) (I.SignVal=I.ZeroVal=I.ParityVal=(int8_t)(x))
#define SetSZPF_Word(x) (I.SignVal=I.ZeroVal=I.ParityVal=(int16_t)(x))
#define SetOFW_Add(x,y,z) (I.OverVal = ((x) ^ (y)) & ((x) ^ (z)) & 0x8000)
#define SetOFB_Add(x,y,z) (I.OverVal = ((x) ^ (y)) & ((x) ^ (z)) & 0x80)
#define SetOFW_Sub(x,y,z) (I.OverVal = ((z) ^ (y)) & ((z) ^ (x)) & 0x8000)
#define SetOFB_Sub(x,y,z) (I.OverVal = ((z) ^ (y)) & ((z) ^ (x)) & 0x80)
#define SetOFW_Add(x, y, z) (I.OverVal = ((x) ^ (y)) & ((x) ^ (z)) & 0x8000)
#define SetOFB_Add(x, y, z) (I.OverVal = ((x) ^ (y)) & ((x) ^ (z)) & 0x80)
#define SetOFW_Sub(x, y, z) (I.OverVal = ((z) ^ (y)) & ((z) ^ (x)) & 0x8000)
#define SetOFB_Sub(x, y, z) (I.OverVal = ((z) ^ (y)) & ((z) ^ (x)) & 0x80)
#define ADDB { uint32_t res=dst+src; SetCFB(res); SetOFB_Add(res,src,dst); SetAF(res,src,dst); SetSZPF_Byte(res); dst=(uint8_t)res; }
#define ADDW { uint32_t res=dst+src; SetCFW(res); SetOFW_Add(res,src,dst); SetAF(res,src,dst); SetSZPF_Word(res); dst=(uint16_t)res; }
@ -89,13 +104,13 @@ typedef struct
#define XORB dst^=src; I.CarryVal=I.OverVal=I.AuxVal=0; SetSZPF_Byte(dst)
#define XORW dst^=src; I.CarryVal=I.OverVal=I.AuxVal=0; SetSZPF_Word(dst)
#define CF (I.CarryVal!=0)
#define SF (I.SignVal<0)
#define ZF (I.ZeroVal==0)
#define PF parity_table[(uint8_t)I.ParityVal]
#define AF (I.AuxVal!=0)
#define OF (I.OverVal!=0)
#define MD (I.MF!=0)
#define CF (I.CarryVal!=0)
#define SF (I.SignVal<0)
#define ZF (I.ZeroVal==0)
#define PF parity_table[(uint8_t)I.ParityVal]
#define AF (I.AuxVal!=0)
#define OF (I.OverVal!=0)
#define MD (I.MF!=0)
/************************************************************************/
@ -103,20 +118,20 @@ typedef struct
#define DefaultBase(Seg) ((seg_prefix && (Seg==DS || Seg==SS)) ? prefix_base : I.sregs[Seg] << 4)
#define GetMemB(Seg,Off) (/*nec_ICount-=((Off)&1)?1:0,*/ (uint8_t)cpu_readmem20((DefaultBase(Seg)+(Off))))
#define GetMemW(Seg,Off) (/*nec_ICount-=((Off)&1)?1:0,*/ (uint16_t) cpu_readmem20((DefaultBase(Seg)+(Off))) + (cpu_readmem20((DefaultBase(Seg)+((Off)+1)))<<8) )
#define GetMemB(Seg, Off) (/*nec_ICount-=((Off)&1)?1:0,*/ (uint8_t)cpu_readmem20((DefaultBase(Seg)+(Off))))
#define GetMemW(Seg, Off) (/*nec_ICount-=((Off)&1)?1:0,*/ (uint16_t) cpu_readmem20((DefaultBase(Seg)+(Off))) + (cpu_readmem20((DefaultBase(Seg)+((Off)+1)))<<8) )
#define PutMemB(Seg,Off,x) { /*nec_ICount-=((Off)&1)?1:0*/; cpu_writemem20((DefaultBase(Seg)+(Off)),(x)); }
#define PutMemW(Seg,Off,x) { /*nec_ICount-=((Off)&1)?1:0*/; PutMemB(Seg,Off,(x)&0xff); PutMemB(Seg,(Off)+1,(uint8_t)((x)>>8)); }
#define PutMemB(Seg, Off, x) { /*nec_ICount-=((Off)&1)?1:0*/; cpu_writemem20((DefaultBase(Seg)+(Off)),(x)); }
#define PutMemW(Seg, Off, x) { /*nec_ICount-=((Off)&1)?1:0*/; PutMemB(Seg,Off,(x)&0xff); PutMemB(Seg,(Off)+1,(uint8_t)((x)>>8)); }
/* Todo: Remove these later - plus readword could overflow */
#define ReadByte(ea) (/*nec_ICount-=((ea)&1)?1:0,*/ (uint8_t)cpu_readmem20((ea)))
#define ReadWord(ea) (/*nec_ICount-=((ea)&1)?1:0,*/ cpu_readmem20((ea))+(cpu_readmem20(((ea)+1))<<8))
#define WriteByte(ea,val) { /*nec_ICount-=((ea)&1)?1:0*/; cpu_writemem20((ea),val); }
#define WriteWord(ea,val) { /*nec_ICount-=((ea)&1)?1:0*/; cpu_writemem20((ea),(uint8_t)(val)); cpu_writemem20(((ea)+1),(val)>>8); }
#define WriteByte(ea, val) { /*nec_ICount-=((ea)&1)?1:0*/; cpu_writemem20((ea),val); }
#define WriteWord(ea, val) { /*nec_ICount-=((ea)&1)?1:0*/; cpu_writemem20((ea),(uint8_t)(val)); cpu_writemem20(((ea)+1),(val)>>8); }
#define read_port(port) cpu_readport(port)
#define write_port(port,val) cpu_writeport(port,val)
#define write_port(port, val) cpu_writeport(port,val)
#define FETCH (cpu_readop_arg((I.sregs[CS]<<4)+I.ip++))
#define FETCHOP (cpu_readop((I.sregs[CS]<<4)+I.ip++))
@ -145,121 +160,119 @@ typedef struct
#define CLKM(v20,v30,v33,v20m,v30m,v33m) { const uint32_t ccount=(v20<<16)|(v30<<8)|v33, mcount=(v20m<<16)|(v30m<<8)|v33m; nec_ICount-=( ModRM >=0xc0 )?((ccount>>cpu_type)&0x7f):((mcount>>cpu_type)&0x7f); }
#define CLKR(v20o,v30o,v33o,v20e,v30e,v33e,vall) { const uint32_t ocount=(v20o<<16)|(v30o<<8)|v33o, ecount=(v20e<<16)|(v30e<<8)|v33e; if (ModRM >=0xc0) nec_ICount-=vall; else nec_ICount-=(I.ip&1)?((ocount>>cpu_type)&0x7f):((ecount>>cpu_type)&0x7f); }
*/
#define CLKS(v20,v30,v33) { const uint32_t ccount=(v20<<16)|(v30<<8)|v33; nec_ICount-=(ccount>>cpu_type)&0x7f; }
#define CLKS(v20, v30, v33) { const uint32_t ccount=(v20<<16)|(v30<<8)|v33; nec_ICount-=(ccount>>cpu_type)&0x7f; }
#define CLK(all) nec_ICount-=all
#define CLKW(v30MZo,v30MZe) { nec_ICount-=(I.ip&1)?v30MZo:v30MZe; }
#define CLKM(v30MZm,v30MZ) { nec_ICount-=( ModRM >=0xc0 )?v30MZ:v30MZm; }
#define CLKR(v30MZo,v30MZe,vall) { if (ModRM >=0xc0) nec_ICount-=vall; else nec_ICount-=(I.ip&1)?v30MZo:v30MZe; }
#define CLKW(v30MZo, v30MZe) { nec_ICount-=(I.ip&1)?v30MZo:v30MZe; }
#define CLKM(v30MZm, v30MZ) { nec_ICount-=( ModRM >=0xc0 )?v30MZ:v30MZm; }
#define CLKR(v30MZo, v30MZe, vall) { if (ModRM >=0xc0) nec_ICount-=vall; else nec_ICount-=(I.ip&1)?v30MZo:v30MZe; }
#define CompressFlags() (uint16_t)(CF | (PF << 2) | (AF << 4) | (ZF << 6) \
| (SF << 7) | (I.TF << 8) | (I.IF << 9) \
| (I.DF << 10) | (OF << 11))
| (SF << 7) | (I.TF << 8) | (I.IF << 9) \
| (I.DF << 10) | (OF << 11))
#define ExpandFlags(f) \
{ \
I.CarryVal = (f) & 1; \
I.ParityVal = !((f) & 4); \
I.AuxVal = (f) & 16; \
I.ZeroVal = !((f) & 64); \
I.SignVal = (f) & 128 ? -1 : 0; \
I.TF = ((f) & 256) == 256; \
I.IF = ((f) & 512) == 512; \
I.DF = ((f) & 1024) == 1024; \
I.OverVal = (f) & 2048; \
I.MF = ((f) & 0x8000) == 0x8000; \
I.CarryVal = (f) & 1; \
I.ParityVal = !((f) & 4); \
I.AuxVal = (f) & 16; \
I.ZeroVal = !((f) & 64); \
I.SignVal = (f) & 128 ? -1 : 0; \
I.TF = ((f) & 256) == 256; \
I.IF = ((f) & 512) == 512; \
I.DF = ((f) & 1024) == 1024; \
I.OverVal = (f) & 2048; \
I.MF = ((f) & 0x8000) == 0x8000; \
}
#define IncWordReg(Reg) \
uint16_t tmp = (uint16_t)I.regs.w[Reg]; \
uint16_t tmp1 = tmp+1; \
I.OverVal = (tmp == 0x7fff); \
SetAF(tmp1,tmp,1); \
SetSZPF_Word(tmp1); \
I.regs.w[Reg]=tmp1
#define IncWordReg(Reg) \
uint16_t tmp = (uint16_t)I.regs.w[Reg]; \
uint16_t tmp1 = tmp+1; \
I.OverVal = (tmp == 0x7fff); \
SetAF(tmp1,tmp,1); \
SetSZPF_Word(tmp1); \
I.regs.w[Reg]=tmp1
#define DecWordReg(Reg) \
uint16_t tmp = (uint16_t)I.regs.w[Reg]; \
uint16_t tmp1 = tmp-1; \
I.OverVal = (tmp == 0x8000); \
SetAF(tmp1,tmp,1); \
SetSZPF_Word(tmp1); \
I.regs.w[Reg]=tmp1
#define DecWordReg(Reg) \
uint16_t tmp = (uint16_t)I.regs.w[Reg]; \
uint16_t tmp1 = tmp-1; \
I.OverVal = (tmp == 0x8000); \
SetAF(tmp1,tmp,1); \
SetSZPF_Word(tmp1); \
I.regs.w[Reg]=tmp1
#define JMP(flag) \
int tmp = (int)((int8_t)FETCH); \
if (flag) \
{ \
I.ip = (uint16_t)(I.ip+tmp); \
nec_ICount-=3; \
return; \
}
#define ADJ4(param1,param2) \
if (AF || ((I.regs.b[AL] & 0xf) > 9)) \
{ \
int tmp; \
I.regs.b[AL] = tmp = I.regs.b[AL] + param1; \
I.AuxVal = 1; \
} \
if (CF || (I.regs.b[AL] > 0x9f)) \
{ \
I.regs.b[AL] += param2; \
I.CarryVal = 1; \
} \
SetSZPF_Byte(I.regs.b[AL])
#define ADJB(param1,param2) \
if (AF || ((I.regs.b[AL] & 0xf) > 9)) \
{ \
I.regs.b[AL] += param1; \
I.regs.b[AH] += param2; \
I.AuxVal = 1; \
I.CarryVal = 1; \
} \
else \
{ \
I.AuxVal = 0; \
I.CarryVal = 0; \
} \
I.regs.b[AL] &= 0x0F
#define BITOP_BYTE \
ModRM = FETCH; \
if (ModRM >= 0xc0) { \
tmp=I.regs.b[Mod_RM.RM.b[ModRM]]; \
} \
else { \
(*GetEA[ModRM])(); \
tmp=ReadByte(EA); \
#define JMP(flag) \
int tmp = (int)((int8_t)FETCH); \
if (flag) \
{ \
I.ip = (uint16_t)(I.ip+tmp); \
nec_ICount-=3; \
return; \
}
#define BITOP_WORD \
ModRM = FETCH; \
if (ModRM >= 0xc0) { \
tmp=I.regs.w[Mod_RM.RM.w[ModRM]]; \
} \
else { \
(*GetEA[ModRM])(); \
tmp=ReadWord(EA); \
#define ADJ4(param1, param2) \
if (AF || ((I.regs.b[AL] & 0xf) > 9)) \
{ \
int tmp; \
I.regs.b[AL] = tmp = I.regs.b[AL] + param1; \
I.AuxVal = 1; \
} \
if (CF || (I.regs.b[AL] > 0x9f)) \
{ \
I.regs.b[AL] += param2; \
I.CarryVal = 1; \
} \
SetSZPF_Byte(I.regs.b[AL])
#define ADJB(param1, param2) \
if (AF || ((I.regs.b[AL] & 0xf) > 9)) \
{ \
I.regs.b[AL] += param1; \
I.regs.b[AH] += param2; \
I.AuxVal = 1; \
I.CarryVal = 1; \
} \
else \
{ \
I.AuxVal = 0; \
I.CarryVal = 0; \
} \
I.regs.b[AL] &= 0x0F
#define BITOP_BYTE \
ModRM = FETCH; \
if (ModRM >= 0xc0) { \
tmp=I.regs.b[Mod_RM.RM.b[ModRM]]; \
} \
else { \
(*GetEA[ModRM])(); \
tmp=ReadByte(EA); \
}
#define BIT_NOT \
if (tmp & (1<<tmp2)) \
tmp &= ~(1<<tmp2); \
else \
tmp |= (1<<tmp2)
#define BITOP_WORD \
ModRM = FETCH; \
if (ModRM >= 0xc0) { \
tmp=I.regs.w[Mod_RM.RM.w[ModRM]]; \
} \
else { \
(*GetEA[ModRM])(); \
tmp=ReadWord(EA); \
}
#define XchgAWReg(Reg) \
uint16_t tmp; \
tmp = I.regs.w[Reg]; \
I.regs.w[Reg] = I.regs.w[AW]; \
I.regs.w[AW] = tmp
#define BIT_NOT \
if (tmp & (1<<tmp2)) \
tmp &= ~(1<<tmp2); \
else \
tmp |= (1<<tmp2)
#define XchgAWReg(Reg) \
uint16_t tmp; \
tmp = I.regs.w[Reg]; \
I.regs.w[Reg] = I.regs.w[AW]; \
I.regs.w[AW] = tmp
#define ROL_BYTE I.CarryVal = dst & 0x80; dst = (dst << 1)+CF
#define ROL_WORD I.CarryVal = dst & 0x8000; dst = (dst << 1)+CF
@ -269,126 +282,126 @@ typedef struct
#define ROLC_WORD dst = (dst << 1) + CF; SetCFW(dst)
#define RORC_BYTE dst = (CF<<8)+dst; I.CarryVal = dst & 0x01; dst >>= 1
#define RORC_WORD dst = (CF<<16)+dst; I.CarryVal = dst & 0x01; dst >>= 1
#define SHL_BYTE(c) dst <<= c; SetCFB(dst); SetSZPF_Byte(dst); PutbackRMByte(ModRM,(uint8_t)dst)
#define SHL_WORD(c) dst <<= c; SetCFW(dst); SetSZPF_Word(dst); PutbackRMWord(ModRM,(uint16_t)dst)
#define SHL_BYTE(c) dst <<= c; SetCFB(dst); SetSZPF_Byte(dst); PutbackRMByte(ModRM,(uint8_t)dst)
#define SHL_WORD(c) dst <<= c; SetCFW(dst); SetSZPF_Word(dst); PutbackRMWord(ModRM,(uint16_t)dst)
#define SHR_BYTE(c) dst >>= c-1; I.CarryVal = dst & 0x1; dst >>= 1; SetSZPF_Byte(dst); PutbackRMByte(ModRM,(uint8_t)dst)
#define SHR_WORD(c) dst >>= c-1; I.CarryVal = dst & 0x1; dst >>= 1; SetSZPF_Word(dst); PutbackRMWord(ModRM,(uint16_t)dst)
#define SHRA_BYTE(c) dst = ((int8_t)dst) >> (c-1); I.CarryVal = dst & 0x1; dst = ((int8_t)((uint8_t)dst)) >> 1; SetSZPF_Byte(dst); PutbackRMByte(ModRM,(uint8_t)dst)
#define SHRA_WORD(c) dst = ((int16_t)dst) >> (c-1); I.CarryVal = dst & 0x1; dst = ((int16_t)((uint16_t)dst)) >> 1; SetSZPF_Word(dst); PutbackRMWord(ModRM,(uint16_t)dst)
#define SHRA_BYTE(c) dst = ((int8_t)dst) >> (c-1); I.CarryVal = dst & 0x1; dst = ((int8_t)((uint8_t)dst)) >> 1; SetSZPF_Byte(dst); PutbackRMByte(ModRM,(uint8_t)dst)
#define SHRA_WORD(c) dst = ((int16_t)dst) >> (c-1); I.CarryVal = dst & 0x1; dst = ((int16_t)((uint16_t)dst)) >> 1; SetSZPF_Word(dst); PutbackRMWord(ModRM,(uint16_t)dst)
#define DIVUB \
uresult = I.regs.w[AW]; \
uresult2 = uresult % tmp; \
if ((uresult /= tmp) > 0xff) { \
nec_interrupt(0,0); break; \
} else { \
I.regs.b[AL] = uresult; \
I.regs.b[AH] = uresult2; \
}
#define DIVUB \
uresult = I.regs.w[AW]; \
uresult2 = uresult % tmp; \
if ((uresult /= tmp) > 0xff) { \
nec_interrupt(0,0); break; \
} else { \
I.regs.b[AL] = uresult; \
I.regs.b[AH] = uresult2; \
}
#define DIVB \
result = (int16_t)I.regs.w[AW]; \
result2 = result % (int16_t)((int8_t)tmp); \
if ((result /= (int16_t)((int8_t)tmp)) > 0xff) { \
nec_interrupt(0,0); break; \
} else { \
I.regs.b[AL] = result; \
I.regs.b[AH] = result2; \
}
#define DIVB \
result = (int16_t)I.regs.w[AW]; \
result2 = result % (int16_t)((int8_t)tmp); \
if ((result /= (int16_t)((int8_t)tmp)) > 0xff) { \
nec_interrupt(0,0); break; \
} else { \
I.regs.b[AL] = result; \
I.regs.b[AH] = result2; \
}
#define DIVUW \
uresult = (((uint32_t)I.regs.w[DW]) << 16) | I.regs.w[AW];\
uresult2 = uresult % tmp; \
if ((uresult /= tmp) > 0xffff) { \
nec_interrupt(0,0); break; \
} else { \
I.regs.w[AW]=uresult; \
I.regs.w[DW]=uresult2; \
}
#define DIVUW \
uresult = (((uint32_t)I.regs.w[DW]) << 16) | I.regs.w[AW];\
uresult2 = uresult % tmp; \
if ((uresult /= tmp) > 0xffff) { \
nec_interrupt(0,0); break; \
} else { \
I.regs.w[AW]=uresult; \
I.regs.w[DW]=uresult2; \
}
#define DIVW \
result = ((uint32_t)I.regs.w[DW] << 16) + I.regs.w[AW]; \
result2 = result % (int32_t)((int16_t)tmp); \
if ((result /= (int32_t)((int16_t)tmp)) > 0xffff) { \
nec_interrupt(0,0); break; \
} else { \
I.regs.w[AW]=result; \
I.regs.w[DW]=result2; \
}
#define DIVW \
result = ((uint32_t)I.regs.w[DW] << 16) + I.regs.w[AW]; \
result2 = result % (int32_t)((int16_t)tmp); \
if ((result /= (int32_t)((int16_t)tmp)) > 0xffff) { \
nec_interrupt(0,0); break; \
} else { \
I.regs.w[AW]=result; \
I.regs.w[DW]=result2; \
}
#define ADD4S { \
int i,v1,v2,result; \
int count = (I.regs.b[CL]+1)/2; \
uint16_t di = I.regs.w[IY]; \
uint16_t si = I.regs.w[IX]; \
I.ZeroVal = I.CarryVal = 0; \
for (i=0;i<count;i++) { \
tmp = GetMemB(DS, si); \
tmp2 = GetMemB(ES, di); \
v1 = (tmp>>4)*10 + (tmp&0xf); \
v2 = (tmp2>>4)*10 + (tmp2&0xf); \
result = v1+v2+I.CarryVal; \
I.CarryVal = result > 99 ? 1 : 0; \
result = result % 100; \
v1 = ((result/10)<<4) | (result % 10); \
PutMemB(ES, di,v1); \
if (v1) I.ZeroVal = 1; \
si++; \
di++; \
} \
#define ADD4S { \
int i,v1,v2,result; \
int count = (I.regs.b[CL]+1)/2; \
uint16_t di = I.regs.w[IY]; \
uint16_t si = I.regs.w[IX]; \
I.ZeroVal = I.CarryVal = 0; \
for (i=0;i<count;i++) { \
tmp = GetMemB(DS, si); \
tmp2 = GetMemB(ES, di); \
v1 = (tmp>>4)*10 + (tmp&0xf); \
v2 = (tmp2>>4)*10 + (tmp2&0xf); \
result = v1+v2+I.CarryVal; \
I.CarryVal = result > 99 ? 1 : 0; \
result = result % 100; \
v1 = ((result/10)<<4) | (result % 10); \
PutMemB(ES, di,v1); \
if (v1) I.ZeroVal = 1; \
si++; \
di++; \
} \
}
#define SUB4S { \
int count = (I.regs.b[CL]+1)/2; \
int i,v1,v2,result; \
uint16_t di = I.regs.w[IY]; \
uint16_t si = I.regs.w[IX]; \
I.ZeroVal = I.CarryVal = 0; \
for (i=0;i<count;i++) { \
tmp = GetMemB(ES, di); \
tmp2 = GetMemB(DS, si); \
v1 = (tmp>>4)*10 + (tmp&0xf); \
v2 = (tmp2>>4)*10 + (tmp2&0xf); \
if (v1 < (v2+I.CarryVal)) { \
v1+=100; \
result = v1-(v2+I.CarryVal); \
I.CarryVal = 1; \
} else { \
result = v1-(v2+I.CarryVal); \
I.CarryVal = 0; \
} \
v1 = ((result/10)<<4) | (result % 10); \
PutMemB(ES, di,v1); \
if (v1) I.ZeroVal = 1; \
si++; \
di++; \
} \
#define SUB4S { \
int count = (I.regs.b[CL]+1)/2; \
int i,v1,v2,result; \
uint16_t di = I.regs.w[IY]; \
uint16_t si = I.regs.w[IX]; \
I.ZeroVal = I.CarryVal = 0; \
for (i=0;i<count;i++) { \
tmp = GetMemB(ES, di); \
tmp2 = GetMemB(DS, si); \
v1 = (tmp>>4)*10 + (tmp&0xf); \
v2 = (tmp2>>4)*10 + (tmp2&0xf); \
if (v1 < (v2+I.CarryVal)) { \
v1+=100; \
result = v1-(v2+I.CarryVal); \
I.CarryVal = 1; \
} else { \
result = v1-(v2+I.CarryVal); \
I.CarryVal = 0; \
} \
v1 = ((result/10)<<4) | (result % 10); \
PutMemB(ES, di,v1); \
if (v1) I.ZeroVal = 1; \
si++; \
di++; \
} \
}
#define CMP4S { \
int count = (I.regs.b[CL]+1)/2; \
int i,v1,v2,result; \
uint16_t di = I.regs.w[IY]; \
uint16_t si = I.regs.w[IX]; \
I.ZeroVal = I.CarryVal = 0; \
for (i=0;i<count;i++) { \
tmp = GetMemB(ES, di); \
tmp2 = GetMemB(DS, si); \
v1 = (tmp>>4)*10 + (tmp&0xf); \
v2 = (tmp2>>4)*10 + (tmp2&0xf); \
if (v1 < (v2+I.CarryVal)) { \
v1+=100; \
result = v1-(v2+I.CarryVal); \
I.CarryVal = 1; \
} else { \
result = v1-(v2+I.CarryVal); \
I.CarryVal = 0; \
} \
v1 = ((result/10)<<4) | (result % 10); \
if (v1) I.ZeroVal = 1; \
si++; \
di++; \
} \
#define CMP4S { \
int count = (I.regs.b[CL]+1)/2; \
int i,v1,v2,result; \
uint16_t di = I.regs.w[IY]; \
uint16_t si = I.regs.w[IX]; \
I.ZeroVal = I.CarryVal = 0; \
for (i=0;i<count;i++) { \
tmp = GetMemB(ES, di); \
tmp2 = GetMemB(DS, si); \
v1 = (tmp>>4)*10 + (tmp&0xf); \
v2 = (tmp2>>4)*10 + (tmp2&0xf); \
if (v1 < (v2+I.CarryVal)) { \
v1+=100; \
result = v1-(v2+I.CarryVal); \
I.CarryVal = 1; \
} else { \
result = v1-(v2+I.CarryVal); \
I.CarryVal = 0; \
} \
v1 = ((result/10)<<4) | (result % 10); \
if (v1) I.ZeroVal = 1; \
si++; \
di++; \
} \
}
#endif /* __NEC_H_ */

251
source/nec/necea.h
View File

@ -1,3 +1,10 @@
/*
* NewOswan
* necea.h:
* Based on the original Oswan-unix
* Copyright (c) 2014-2021 986-Studio. All rights reserved.
*
*/
static uint32_t EA;
static uint16_t EO;
@ -5,194 +12,206 @@ static uint16_t E16;
static unsigned EA_000(void)
{
EO=I.regs.w[BW]+I.regs.w[IX];
EA=DefaultBase(DS)+EO;
return EA;
EO = I.regs.w[BW] + I.regs.w[IX];
EA = DefaultBase(DS) + EO;
return EA;
}
static unsigned EA_001(void)
{
EO=I.regs.w[BW]+I.regs.w[IY];
EA=DefaultBase(DS)+EO;
return EA;
EO = I.regs.w[BW] + I.regs.w[IY];
EA = DefaultBase(DS) + EO;
return EA;
}
static unsigned EA_002(void)
{
EO=I.regs.w[BP]+I.regs.w[IX];
EA=DefaultBase(SS)+EO;
return EA;
EO = I.regs.w[BP] + I.regs.w[IX];
EA = DefaultBase(SS) + EO;
return EA;
}
static unsigned EA_003(void)
{
EO=I.regs.w[BP]+I.regs.w[IY];
EA=DefaultBase(SS)+EO;
return EA;
EO = I.regs.w[BP] + I.regs.w[IY];
EA = DefaultBase(SS) + EO;
return EA;
}
static unsigned EA_004(void)
{
EO=I.regs.w[IX];
EA=DefaultBase(DS)+EO;
return EA;
EO = I.regs.w[IX];
EA = DefaultBase(DS) + EO;
return EA;
}
static unsigned EA_005(void)
{
EO=I.regs.w[IY];
EA=DefaultBase(DS)+EO;
return EA;
EO = I.regs.w[IY];
EA = DefaultBase(DS) + EO;
return EA;
}
static unsigned EA_006(void)
{
EO=FETCH;
EO+=FETCH<<8;
EA=DefaultBase(DS)+EO;
return EA;
EO = FETCH;
EO += FETCH << 8;
EA = DefaultBase(DS) + EO;
return EA;
}
static unsigned EA_007(void)
{
EO=I.regs.w[BW];
EA=DefaultBase(DS)+EO;
return EA;
EO = I.regs.w[BW];
EA = DefaultBase(DS) + EO;
return EA;
}
static unsigned EA_100(void)
{
EO=(I.regs.w[BW]+I.regs.w[IX]+(int8_t)FETCH);
EA=DefaultBase(DS)+EO;
return EA;
EO = (I.regs.w[BW] + I.regs.w[IX] + (int8_t)FETCH);
EA = DefaultBase(DS) + EO;
return EA;
}
static unsigned EA_101(void)
{
EO=(I.regs.w[BW]+I.regs.w[IY]+(int8_t)FETCH);
EA=DefaultBase(DS)+EO;
return EA;
EO = (I.regs.w[BW] + I.regs.w[IY] + (int8_t)FETCH);
EA = DefaultBase(DS) + EO;
return EA;
}
static unsigned EA_102(void)
{
EO=(I.regs.w[BP]+I.regs.w[IX]+(int8_t)FETCH);
EA=DefaultBase(SS)+EO;
return EA;
EO = (I.regs.w[BP] + I.regs.w[IX] + (int8_t)FETCH);
EA = DefaultBase(SS) + EO;
return EA;
}
static unsigned EA_103(void)
{
EO=(I.regs.w[BP]+I.regs.w[IY]+(int8_t)FETCH);
EA=DefaultBase(SS)+EO;
return EA;
EO = (I.regs.w[BP] + I.regs.w[IY] + (int8_t)FETCH);
EA = DefaultBase(SS) + EO;
return EA;
}
static unsigned EA_104(void)
{
EO=(I.regs.w[IX]+(int8_t)FETCH);
EA=DefaultBase(DS)+EO;
return EA;
EO = (I.regs.w[IX] + (int8_t)FETCH);
EA = DefaultBase(DS) + EO;
return EA;
}
static unsigned EA_105(void)
{
EO=(I.regs.w[IY]+(int8_t)FETCH);
EA=DefaultBase(DS)+EO;
return EA;
EO = (I.regs.w[IY] + (int8_t)FETCH);
EA = DefaultBase(DS) + EO;
return EA;
}
static unsigned EA_106(void)
{
EO=(I.regs.w[BP]+(int8_t)FETCH);
EA=DefaultBase(SS)+EO;
return EA;
EO = (I.regs.w[BP] + (int8_t)FETCH);
EA = DefaultBase(SS) + EO;
return EA;
}
static unsigned EA_107(void)
{
EO=(I.regs.w[BW]+(int8_t)FETCH);
EA=DefaultBase(DS)+EO;
return EA;
EO = (I.regs.w[BW] + (int8_t)FETCH);
EA = DefaultBase(DS) + EO;
return EA;
}
static unsigned EA_200(void)
{
E16=FETCH;
E16+=FETCH<<8;
EO=I.regs.w[BW]+I.regs.w[IX]+(int16_t)E16;
EA=DefaultBase(DS)+EO;
return EA;
E16 = FETCH;
E16 += FETCH << 8;
EO = I.regs.w[BW] + I.regs.w[IX] + (int16_t)E16;
EA = DefaultBase(DS) + EO;
return EA;
}
static unsigned EA_201(void)
{
E16=FETCH;
E16+=FETCH<<8;
EO=I.regs.w[BW]+I.regs.w[IY]+(int16_t)E16;
EA=DefaultBase(DS)+EO;
return EA;
E16 = FETCH;
E16 += FETCH << 8;
EO = I.regs.w[BW] + I.regs.w[IY] + (int16_t)E16;
EA = DefaultBase(DS) + EO;
return EA;
}
static unsigned EA_202(void)
{
E16=FETCH;
E16+=FETCH<<8;
EO=I.regs.w[BP]+I.regs.w[IX]+(int16_t)E16;
EA=DefaultBase(SS)+EO;
return EA;
E16 = FETCH;
E16 += FETCH << 8;
EO = I.regs.w[BP] + I.regs.w[IX] + (int16_t)E16;
EA = DefaultBase(SS) + EO;
return EA;
}
static unsigned EA_203(void)
{
E16=FETCH;
E16+=FETCH<<8;
EO=I.regs.w[BP]+I.regs.w[IY]+(int16_t)E16;
EA=DefaultBase(SS)+EO;
return EA;
E16 = FETCH;
E16 += FETCH << 8;
EO = I.regs.w[BP] + I.regs.w[IY] + (int16_t)E16;
EA = DefaultBase(SS) + EO;
return EA;
}
static unsigned EA_204(void)
{
E16=FETCH;
E16+=FETCH<<8;
EO=I.regs.w[IX]+(int16_t)E16;
EA=DefaultBase(DS)+EO;
return EA;
E16 = FETCH;
E16 += FETCH << 8;
EO = I.regs.w[IX] + (int16_t)E16;
EA = DefaultBase(DS) + EO;
return EA;
}
static unsigned EA_205(void)
{
E16=FETCH;
E16+=FETCH<<8;
EO=I.regs.w[IY]+(int16_t)E16;
EA=DefaultBase(DS)+EO;
return EA;
E16 = FETCH;
E16 += FETCH << 8;
EO = I.regs.w[IY] + (int16_t)E16;
EA = DefaultBase(DS) + EO;
return EA;
}
static unsigned EA_206(void)
{
E16=FETCH;
E16+=FETCH<<8;
EO=I.regs.w[BP]+(int16_t)E16;
EA=DefaultBase(SS)+EO;
return EA;
E16 = FETCH;
E16 += FETCH << 8;
EO = I.regs.w[BP] + (int16_t)E16;
EA = DefaultBase(SS) + EO;
return EA;
}
static unsigned EA_207(void)
{
E16=FETCH;
E16+=FETCH<<8;
EO=I.regs.w[BW]+(int16_t)E16;
EA=DefaultBase(DS)+EO;
return EA;
E16 = FETCH;
E16 += FETCH << 8;
EO = I.regs.w[BW] + (int16_t)E16;
EA = DefaultBase(DS) + EO;
return EA;
}
static unsigned (*GetEA[192])(void)=
{
EA_000, EA_001, EA_002, EA_003, EA_004, EA_005, EA_006, EA_007,
EA_000, EA_001, EA_002, EA_003, EA_004, EA_005, EA_006, EA_007,
EA_000, EA_001, EA_002, EA_003, EA_004, EA_005, EA_006, EA_007,
EA_000, EA_001, EA_002, EA_003, EA_004, EA_005, EA_006, EA_007,
EA_000, EA_001, EA_002, EA_003, EA_004, EA_005, EA_006, EA_007,
EA_000, EA_001, EA_002, EA_003, EA_004, EA_005, EA_006, EA_007,
EA_000, EA_001, EA_002, EA_003, EA_004, EA_005, EA_006, EA_007,
EA_000, EA_001, EA_002, EA_003, EA_004, EA_005, EA_006, EA_007,
static unsigned (*GetEA[192])(void) =
{
EA_000, EA_001, EA_002, EA_003, EA_004, EA_005, EA_006, EA_007, EA_000, EA_001, EA_002, EA_003, EA_004, EA_005,
EA_006, EA_007, EA_000, EA_001, EA_002, EA_003, EA_004, EA_005, EA_006, EA_007, EA_000, EA_001, EA_002, EA_003,
EA_004, EA_005, EA_006, EA_007, EA_000, EA_001, EA_002, EA_003, EA_004, EA_005, EA_006, EA_007, EA_000, EA_001,
EA_002, EA_003, EA_004, EA_005, EA_006, EA_007, EA_000, EA_001, EA_002, EA_003, EA_004, EA_005, EA_006, EA_007,
EA_000, EA_001, EA_002, EA_003, EA_004, EA_005, EA_006, EA_007,
EA_100, EA_101, EA_102, EA_103, EA_104, EA_105, EA_106, EA_107,
EA_100, EA_101, EA_102, EA_103, EA_104, EA_105, EA_106, EA_107,
EA_100, EA_101, EA_102, EA_103, EA_104, EA_105, EA_106, EA_107,
EA_100, EA_101, EA_102, EA_103, EA_104, EA_105, EA_106, EA_107,
EA_100, EA_101, EA_102, EA_103, EA_104, EA_105, EA_106, EA_107,
EA_100, EA_101, EA_102, EA_103, EA_104, EA_105, EA_106, EA_107,
EA_100, EA_101, EA_102, EA_103, EA_104, EA_105, EA_106, EA_107,
EA_100, EA_101, EA_102, EA_103, EA_104, EA_105, EA_106, EA_107,
EA_100, EA_101, EA_102, EA_103, EA_104, EA_105, EA_106, EA_107, EA_100, EA_101, EA_102, EA_103, EA_104, EA_105,
EA_106, EA_107, EA_100, EA_101, EA_102, EA_103, EA_104, EA_105, EA_106, EA_107, EA_100, EA_101, EA_102, EA_103,
EA_104, EA_105, EA_106, EA_107, EA_100, EA_101, EA_102, EA_103, EA_104, EA_105, EA_106, EA_107, EA_100, EA_101,
EA_102, EA_103, EA_104, EA_105, EA_106, EA_107, EA_100, EA_101, EA_102, EA_103, EA_104, EA_105, EA_106, EA_107,
EA_100, EA_101, EA_102, EA_103, EA_104, EA_105, EA_106, EA_107,
EA_200, EA_201, EA_202, EA_203, EA_204, EA_205, EA_206, EA_207,
EA_200, EA_201, EA_202, EA_203, EA_204, EA_205, EA_206, EA_207,
EA_200, EA_201, EA_202, EA_203, EA_204, EA_205, EA_206, EA_207,
EA_200, EA_201, EA_202, EA_203, EA_204, EA_205, EA_206, EA_207,
EA_200, EA_201, EA_202, EA_203, EA_204, EA_205, EA_206, EA_207,
EA_200, EA_201, EA_202, EA_203, EA_204, EA_205, EA_206, EA_207,
EA_200, EA_201, EA_202, EA_203, EA_204, EA_205, EA_206, EA_207,
EA_200, EA_201, EA_202, EA_203, EA_204, EA_205, EA_206, EA_207
};
EA_200, EA_201, EA_202, EA_203, EA_204, EA_205, EA_206, EA_207, EA_200, EA_201, EA_202, EA_203, EA_204, EA_205,
EA_206, EA_207, EA_200, EA_201, EA_202, EA_203, EA_204, EA_205, EA_206, EA_207, EA_200, EA_201, EA_202, EA_203,
EA_204, EA_205, EA_206, EA_207, EA_200, EA_201, EA_202, EA_203, EA_204, EA_205, EA_206, EA_207, EA_200, EA_201,
EA_202, EA_203, EA_204, EA_205, EA_206, EA_207, EA_200, EA_201, EA_202, EA_203, EA_204, EA_205, EA_206, EA_207,
EA_200, EA_201, EA_202, EA_203, EA_204, EA_205, EA_206, EA_207
};

524
source/nec/necinstr.h
View File

@ -1,3 +1,11 @@
/*
* NewOswan
* necinstr.h:
* Based on the original Oswan-unix
* Copyright (c) 2014-2021 986-Studio. All rights reserved.
*
*/
static void i_add_br8(void);
static void i_add_wr16(void);
static void i_add_r8b(void);
@ -247,261 +255,261 @@ static void i_ffpre(void);
static void i_wait(void);
void (*nec_instruction[256])(void) =
{
i_add_br8, /* 0x00 */
i_add_wr16, /* 0x01 */
i_add_r8b, /* 0x02 */
i_add_r16w, /* 0x03 */
i_add_ald8, /* 0x04 */
i_add_axd16, /* 0x05 */
i_push_es, /* 0x06 */
i_pop_es, /* 0x07 */
i_or_br8, /* 0x08 */
i_or_wr16, /* 0x09 */
i_or_r8b, /* 0x0a */
i_or_r16w, /* 0x0b */
i_or_ald8, /* 0x0c */
i_or_axd16, /* 0x0d */
i_push_cs, /* 0x0e */
i_pre_nec /* 0x0f */,
i_adc_br8, /* 0x10 */
i_adc_wr16, /* 0x11 */
i_adc_r8b, /* 0x12 */
i_adc_r16w, /* 0x13 */
i_adc_ald8, /* 0x14 */
i_adc_axd16, /* 0x15 */
i_push_ss, /* 0x16 */
i_pop_ss, /* 0x17 */
i_sbb_br8, /* 0x18 */
i_sbb_wr16, /* 0x19 */
i_sbb_r8b, /* 0x1a */
i_sbb_r16w, /* 0x1b */
i_sbb_ald8, /* 0x1c */
i_sbb_axd16, /* 0x1d */
i_push_ds, /* 0x1e */
i_pop_ds, /* 0x1f */
i_and_br8, /* 0x20 */
i_and_wr16, /* 0x21 */
i_and_r8b, /* 0x22 */
i_and_r16w, /* 0x23 */
i_and_ald8, /* 0x24 */
i_and_axd16, /* 0x25 */
i_es, /* 0x26 */
i_daa, /* 0x27 */
i_sub_br8, /* 0x28 */
i_sub_wr16, /* 0x29 */
i_sub_r8b, /* 0x2a */
i_sub_r16w, /* 0x2b */
i_sub_ald8, /* 0x2c */
i_sub_axd16, /* 0x2d */
i_cs, /* 0x2e */
i_das, /* 0x2f */
i_xor_br8, /* 0x30 */
i_xor_wr16, /* 0x31 */
i_xor_r8b, /* 0x32 */
i_xor_r16w, /* 0x33 */
i_xor_ald8, /* 0x34 */
i_xor_axd16, /* 0x35 */
i_ss, /* 0x36 */
i_aaa, /* 0x37 */
i_cmp_br8, /* 0x38 */
i_cmp_wr16, /* 0x39 */
i_cmp_r8b, /* 0x3a */
i_cmp_r16w, /* 0x3b */
i_cmp_ald8, /* 0x3c */
i_cmp_axd16, /* 0x3d */
i_ds, /* 0x3e */
i_aas, /* 0x3f */
i_inc_ax, /* 0x40 */
i_inc_cx, /* 0x41 */
i_inc_dx, /* 0x42 */
i_inc_bx, /* 0x43 */
i_inc_sp, /* 0x44 */
i_inc_bp, /* 0x45 */
i_inc_si, /* 0x46 */
i_inc_di, /* 0x47 */
i_dec_ax, /* 0x48 */
i_dec_cx, /* 0x49 */
i_dec_dx, /* 0x4a */
i_dec_bx, /* 0x4b */
i_dec_sp, /* 0x4c */
i_dec_bp, /* 0x4d */
i_dec_si, /* 0x4e */
i_dec_di, /* 0x4f */
i_push_ax, /* 0x50 */
i_push_cx, /* 0x51 */
i_push_dx, /* 0x52 */
i_push_bx, /* 0x53 */
i_push_sp, /* 0x54 */
i_push_bp, /* 0x55 */
i_push_si, /* 0x56 */
i_push_di, /* 0x57 */
i_pop_ax, /* 0x58 */
i_pop_cx, /* 0x59 */
i_pop_dx, /* 0x5a */
i_pop_bx, /* 0x5b */
i_pop_sp, /* 0x5c */
i_pop_bp, /* 0x5d */
i_pop_si, /* 0x5e */
i_pop_di, /* 0x5f */
i_pusha, /* 0x60 */
i_popa, /* 0x61 */
i_chkind, /* 0x62 */
i_invalid, /* 0x63 */
i_repnc, /* 0x64 */
i_repc, /* 0x65 */
i_invalid, /* 0x66 */
i_invalid, /* 0x67 */
i_push_d16, /* 0x68 */
i_imul_d16, /* 0x69 */
i_push_d8, /* 0x6a */
i_imul_d8, /* 0x6b */
i_insb, /* 0x6c */
i_insw, /* 0x6d */
i_outsb, /* 0x6e */
i_outsw, /* 0x6f */
i_jo, /* 0x70 */
i_jno, /* 0x71 */
i_jc, /* 0x72 */
i_jnc, /* 0x73 */
i_jz, /* 0x74 */
i_jnz, /* 0x75 */
i_jce, /* 0x76 */
i_jnce, /* 0x77 */
i_js, /* 0x78 */
i_jns, /* 0x79 */
i_jp, /* 0x7a */
i_jnp, /* 0x7b */
i_jl, /* 0x7c */
i_jnl, /* 0x7d */
i_jle, /* 0x7e */
i_jnle, /* 0x7f */
i_80pre, /* 0x80 */
i_81pre, /* 0x81 */
i_82pre, /* 0x82 */
i_83pre, /* 0x83 */
i_test_br8, /* 0x84 */
i_test_wr16, /* 0x85 */
i_xchg_br8, /* 0x86 */
i_xchg_wr16, /* 0x87 */
i_mov_br8, /* 0x88 */
i_mov_wr16, /* 0x89 */
i_mov_r8b, /* 0x8a */
i_mov_r16w, /* 0x8b */
i_mov_wsreg, /* 0x8c */
i_lea, /* 0x8d */
i_mov_sregw, /* 0x8e */
i_popw, /* 0x8f */
i_nop, /* 0x90 */
i_xchg_axcx, /* 0x91 */
i_xchg_axdx, /* 0x92 */
i_xchg_axbx, /* 0x93 */
i_xchg_axsp, /* 0x94 */
i_xchg_axbp, /* 0x95 */
i_xchg_axsi, /* 0x97 */
i_xchg_axdi, /* 0x97 */
i_cbw, /* 0x98 */
i_cwd, /* 0x99 */
i_call_far, /* 0x9a */
i_wait, /* 0x9b */
i_pushf, /* 0x9c */
i_popf, /* 0x9d */
i_sahf, /* 0x9e */
i_lahf, /* 0x9f */
i_mov_aldisp, /* 0xa0 */
i_mov_axdisp, /* 0xa1 */
i_mov_dispal, /* 0xa2 */
i_mov_dispax, /* 0xa3 */
i_movsb, /* 0xa4 */
i_movsw, /* 0xa5 */
i_cmpsb, /* 0xa6 */
i_cmpsw, /* 0xa7 */
i_test_ald8, /* 0xa8 */
i_test_axd16, /* 0xa9 */
i_stosb, /* 0xaa */
i_stosw, /* 0xab */
i_lodsb, /* 0xac */
i_lodsw, /* 0xad */
i_scasb, /* 0xae */
i_scasw, /* 0xaf */
i_mov_ald8, /* 0xb0 */
i_mov_cld8, /* 0xb1 */
i_mov_dld8, /* 0xb2 */
i_mov_bld8, /* 0xb3 */
i_mov_ahd8, /* 0xb4 */
i_mov_chd8, /* 0xb5 */
i_mov_dhd8, /* 0xb6 */
i_mov_bhd8, /* 0xb7 */
i_mov_axd16, /* 0xb8 */
i_mov_cxd16, /* 0xb9 */
i_mov_dxd16, /* 0xba */
i_mov_bxd16, /* 0xbb */
i_mov_spd16, /* 0xbc */
i_mov_bpd16, /* 0xbd */
i_mov_sid16, /* 0xbe */
i_mov_did16, /* 0xbf */
i_rotshft_bd8, /* 0xc0 */
i_rotshft_wd8, /* 0xc1 */
i_ret_d16, /* 0xc2 */
i_ret, /* 0xc3 */
i_les_dw, /* 0xc4 */
i_lds_dw, /* 0xc5 */
i_mov_bd8, /* 0xc6 */
i_mov_wd16, /* 0xc7 */
i_enter, /* 0xc8 */
i_leave, /* 0xc9 */
i_retf_d16, /* 0xca */
i_retf, /* 0xcb */
i_int3, /* 0xcc */
i_int, /* 0xcd */
i_into, /* 0xce */
i_iret, /* 0xcf */
i_rotshft_b, /* 0xd0 */
i_rotshft_w, /* 0xd1 */
i_rotshft_bcl, /* 0xd2 */
i_rotshft_wcl, /* 0xd3 */
i_aam, /* 0xd4 */
i_aad, /* 0xd5 */
i_setalc,
i_trans, /* 0xd7 */
i_fpo, /* 0xd8 */
i_fpo, /* 0xd9 */
i_fpo, /* 0xda */
i_fpo, /* 0xdb */
i_fpo, /* 0xdc */
i_fpo, /* 0xdd */
i_fpo, /* 0xde */
i_fpo, /* 0xdf */
i_loopne, /* 0xe0 */
i_loope, /* 0xe1 */
i_loop, /* 0xe2 */
i_jcxz, /* 0xe3 */
i_inal, /* 0xe4 */
i_inax, /* 0xe5 */
i_outal, /* 0xe6 */
i_outax, /* 0xe7 */
i_call_d16, /* 0xe8 */
i_jmp_d16, /* 0xe9 */
i_jmp_far, /* 0xea */
i_jmp_d8, /* 0xeb */
i_inaldx, /* 0xec */
i_inaxdx, /* 0xed */
i_outdxal, /* 0xee */
i_outdxax, /* 0xef */
i_lock, /* 0xf0 */
i_invalid, /* 0xf1 */
i_repne, /* 0xf2 */
i_repe, /* 0xf3 */
i_hlt, /* 0xf4 */
i_cmc, /* 0xf5 */
i_f6pre, /* 0xf6 */
i_f7pre, /* 0xf7 */
i_clc, /* 0xf8 */
i_stc, /* 0xf9 */
i_di, /* 0xfa */
i_ei, /* 0xfb */
i_cld, /* 0xfc */
i_std, /* 0xfd */
i_fepre, /* 0xfe */
i_ffpre /* 0xff */
};
{
i_add_br8, /* 0x00 */
i_add_wr16, /* 0x01 */
i_add_r8b, /* 0x02 */
i_add_r16w, /* 0x03 */
i_add_ald8, /* 0x04 */
i_add_axd16, /* 0x05 */
i_push_es, /* 0x06 */
i_pop_es, /* 0x07 */
i_or_br8, /* 0x08 */
i_or_wr16, /* 0x09 */
i_or_r8b, /* 0x0a */
i_or_r16w, /* 0x0b */
i_or_ald8, /* 0x0c */
i_or_axd16, /* 0x0d */
i_push_cs, /* 0x0e */
i_pre_nec, /* 0x0f */
i_adc_br8, /* 0x10 */
i_adc_wr16, /* 0x11 */
i_adc_r8b, /* 0x12 */
i_adc_r16w, /* 0x13 */
i_adc_ald8, /* 0x14 */
i_adc_axd16, /* 0x15 */
i_push_ss, /* 0x16 */
i_pop_ss, /* 0x17 */
i_sbb_br8, /* 0x18 */
i_sbb_wr16, /* 0x19 */
i_sbb_r8b, /* 0x1a */
i_sbb_r16w, /* 0x1b */
i_sbb_ald8, /* 0x1c */
i_sbb_axd16, /* 0x1d */
i_push_ds, /* 0x1e */
i_pop_ds, /* 0x1f */
i_and_br8, /* 0x20 */
i_and_wr16, /* 0x21 */
i_and_r8b, /* 0x22 */
i_and_r16w, /* 0x23 */
i_and_ald8, /* 0x24 */
i_and_axd16, /* 0x25 */
i_es, /* 0x26 */
i_daa, /* 0x27 */
i_sub_br8, /* 0x28 */
i_sub_wr16, /* 0x29 */
i_sub_r8b, /* 0x2a */
i_sub_r16w, /* 0x2b */
i_sub_ald8, /* 0x2c */
i_sub_axd16, /* 0x2d */
i_cs, /* 0x2e */
i_das, /* 0x2f */
i_xor_br8, /* 0x30 */
i_xor_wr16, /* 0x31 */
i_xor_r8b, /* 0x32 */
i_xor_r16w, /* 0x33 */
i_xor_ald8, /* 0x34 */
i_xor_axd16, /* 0x35 */
i_ss, /* 0x36 */
i_aaa, /* 0x37 */
i_cmp_br8, /* 0x38 */
i_cmp_wr16, /* 0x39 */
i_cmp_r8b, /* 0x3a */
i_cmp_r16w, /* 0x3b */
i_cmp_ald8, /* 0x3c */
i_cmp_axd16, /* 0x3d */
i_ds, /* 0x3e */
i_aas, /* 0x3f */
i_inc_ax, /* 0x40 */
i_inc_cx, /* 0x41 */
i_inc_dx, /* 0x42 */
i_inc_bx, /* 0x43 */
i_inc_sp, /* 0x44 */
i_inc_bp, /* 0x45 */
i_inc_si, /* 0x46 */
i_inc_di, /* 0x47 */
i_dec_ax, /* 0x48 */
i_dec_cx, /* 0x49 */
i_dec_dx, /* 0x4a */
i_dec_bx, /* 0x4b */
i_dec_sp, /* 0x4c */
i_dec_bp, /* 0x4d */
i_dec_si, /* 0x4e */
i_dec_di, /* 0x4f */
i_push_ax, /* 0x50 */
i_push_cx, /* 0x51 */
i_push_dx, /* 0x52 */
i_push_bx, /* 0x53 */
i_push_sp, /* 0x54 */
i_push_bp, /* 0x55 */
i_push_si, /* 0x56 */
i_push_di, /* 0x57 */
i_pop_ax, /* 0x58 */
i_pop_cx, /* 0x59 */
i_pop_dx, /* 0x5a */
i_pop_bx, /* 0x5b */
i_pop_sp, /* 0x5c */
i_pop_bp, /* 0x5d */
i_pop_si, /* 0x5e */
i_pop_di, /* 0x5f */
i_pusha, /* 0x60 */
i_popa, /* 0x61 */
i_chkind, /* 0x62 */
i_invalid, /* 0x63 */
i_repnc, /* 0x64 */
i_repc, /* 0x65 */
i_invalid, /* 0x66 */
i_invalid, /* 0x67 */
i_push_d16, /* 0x68 */
i_imul_d16, /* 0x69 */
i_push_d8, /* 0x6a */
i_imul_d8, /* 0x6b */
i_insb, /* 0x6c */
i_insw, /* 0x6d */
i_outsb, /* 0x6e */
i_outsw, /* 0x6f */
i_jo, /* 0x70 */
i_jno, /* 0x71 */
i_jc, /* 0x72 */
i_jnc, /* 0x73 */
i_jz, /* 0x74 */
i_jnz, /* 0x75 */
i_jce, /* 0x76 */
i_jnce, /* 0x77 */
i_js, /* 0x78 */
i_jns, /* 0x79 */
i_jp, /* 0x7a */
i_jnp, /* 0x7b */
i_jl, /* 0x7c */
i_jnl, /* 0x7d */
i_jle, /* 0x7e */
i_jnle, /* 0x7f */
i_80pre, /* 0x80 */
i_81pre, /* 0x81 */
i_82pre, /* 0x82 */
i_83pre, /* 0x83 */
i_test_br8, /* 0x84 */
i_test_wr16, /* 0x85 */
i_xchg_br8, /* 0x86 */
i_xchg_wr16, /* 0x87 */
i_mov_br8, /* 0x88 */
i_mov_wr16, /* 0x89 */
i_mov_r8b, /* 0x8a */
i_mov_r16w, /* 0x8b */
i_mov_wsreg, /* 0x8c */
i_lea, /* 0x8d */
i_mov_sregw, /* 0x8e */
i_popw, /* 0x8f */
i_nop, /* 0x90 */
i_xchg_axcx, /* 0x91 */
i_xchg_axdx, /* 0x92 */
i_xchg_axbx, /* 0x93 */
i_xchg_axsp, /* 0x94 */
i_xchg_axbp, /* 0x95 */
i_xchg_axsi, /* 0x97 */
i_xchg_axdi, /* 0x97 */
i_cbw, /* 0x98 */
i_cwd, /* 0x99 */
i_call_far, /* 0x9a */
i_wait, /* 0x9b */
i_pushf, /* 0x9c */
i_popf, /* 0x9d */
i_sahf, /* 0x9e */
i_lahf, /* 0x9f */
i_mov_aldisp, /* 0xa0 */
i_mov_axdisp, /* 0xa1 */
i_mov_dispal, /* 0xa2 */
i_mov_dispax, /* 0xa3 */
i_movsb, /* 0xa4 */
i_movsw, /* 0xa5 */
i_cmpsb, /* 0xa6 */
i_cmpsw, /* 0xa7 */
i_test_ald8, /* 0xa8 */
i_test_axd16, /* 0xa9 */
i_stosb, /* 0xaa */
i_stosw, /* 0xab */
i_lodsb, /* 0xac */
i_lodsw, /* 0xad */
i_scasb, /* 0xae */
i_scasw, /* 0xaf */
i_mov_ald8, /* 0xb0 */
i_mov_cld8, /* 0xb1 */
i_mov_dld8, /* 0xb2 */
i_mov_bld8, /* 0xb3 */
i_mov_ahd8, /* 0xb4 */
i_mov_chd8, /* 0xb5 */
i_mov_dhd8, /* 0xb6 */
i_mov_bhd8, /* 0xb7 */
i_mov_axd16, /* 0xb8 */
i_mov_cxd16, /* 0xb9 */
i_mov_dxd16, /* 0xba */
i_mov_bxd16, /* 0xbb */
i_mov_spd16, /* 0xbc */
i_mov_bpd16, /* 0xbd */
i_mov_sid16, /* 0xbe */
i_mov_did16, /* 0xbf */
i_rotshft_bd8, /* 0xc0 */
i_rotshft_wd8, /* 0xc1 */
i_ret_d16, /* 0xc2 */
i_ret, /* 0xc3 */
i_les_dw, /* 0xc4 */
i_lds_dw, /* 0xc5 */
i_mov_bd8, /* 0xc6 */
i_mov_wd16, /* 0xc7 */
i_enter, /* 0xc8 */
i_leave, /* 0xc9 */
i_retf_d16, /* 0xca */
i_retf, /* 0xcb */
i_int3, /* 0xcc */
i_int, /* 0xcd */
i_into, /* 0xce */
i_iret, /* 0xcf */
i_rotshft_b, /* 0xd0 */
i_rotshft_w, /* 0xd1 */
i_rotshft_bcl, /* 0xd2 */
i_rotshft_wcl, /* 0xd3 */
i_aam, /* 0xd4 */
i_aad, /* 0xd5 */
i_setalc, /* 0xd6 */
i_trans, /* 0xd7 */
i_fpo, /* 0xd8 */
i_fpo, /* 0xd9 */
i_fpo, /* 0xda */
i_fpo, /* 0xdb */
i_fpo, /* 0xdc */
i_fpo, /* 0xdd */
i_fpo, /* 0xde */
i_fpo, /* 0xdf */
i_loopne, /* 0xe0 */
i_loope, /* 0xe1 */
i_loop, /* 0xe2 */
i_jcxz, /* 0xe3 */
i_inal, /* 0xe4 */
i_inax, /* 0xe5 */
i_outal, /* 0xe6 */
i_outax, /* 0xe7 */
i_call_d16, /* 0xe8 */
i_jmp_d16, /* 0xe9 */
i_jmp_far, /* 0xea */
i_jmp_d8, /* 0xeb */
i_inaldx, /* 0xec */
i_inaxdx, /* 0xed */
i_outdxal, /* 0xee */
i_outdxax, /* 0xef */
i_lock, /* 0xf0 */
i_invalid, /* 0xf1 */
i_repne, /* 0xf2 */
i_repe, /* 0xf3 */
i_hlt, /* 0xf4 */
i_cmc, /* 0xf5 */
i_f6pre, /* 0xf6 */
i_f7pre, /* 0xf7 */
i_clc, /* 0xf8 */
i_stc, /* 0xf9 */
i_di, /* 0xfa */
i_ei, /* 0xfb */
i_cld, /* 0xfc */
i_std, /* 0xfd */
i_fepre, /* 0xfe */
i_ffpre /* 0xff */
};

75
source/nec/necintrf.h
View File

@ -1,3 +1,10 @@
/*
* NewOswan
* necintrf.h:
* Based on the original Oswan-unix
* Copyright (c) 2014-2021 986-Studio. All rights reserved.
*
*/
/* ASG 971222 -- rewrote this interface */
#ifndef __NECITRF_H_
#define __NECITRF_H_
@ -6,65 +13,35 @@
enum
{
NEC_IP=1, NEC_AW, NEC_CW, NEC_DW, NEC_BW, NEC_SP, NEC_BP, NEC_IX, NEC_IY,
NEC_FLAGS, NEC_ES, NEC_CS, NEC_SS, NEC_DS,
NEC_VECTOR, NEC_PENDING, NEC_NMI_STATE, NEC_IRQ_STATE
NEC_IP = 1,
NEC_AW,
NEC_CW,
NEC_DW,
NEC_BW,
NEC_SP,
NEC_BP,
NEC_IX,
NEC_IY,
NEC_FLAGS,
NEC_ES,
NEC_CS,
NEC_SS,
NEC_DS,
NEC_VECTOR,
NEC_PENDING,
NEC_NMI_STATE,
NEC_IRQ_STATE
};
/* Public variables */
extern int nec_ICount;
/* Public functions */
/*
#define v20_ICount nec_ICount
extern void v20_init(void);
extern void v20_reset(void *param);
extern void v20_exit(void);
extern int v20_execute(int cycles);
extern unsigned v20_get_context(void *dst);
extern void v20_set_context(void *src);
extern unsigned v20_get_reg(int regnum);
extern void v20_set_reg(int regnum, unsigned val);
extern void v20_set_irq_line(int irqline, int state);
extern void v20_set_irq_callback(int (*callback)(int irqline));
extern const char *v20_info(void *context, int regnum);
extern unsigned v20_dasm(char *buffer, unsigned pc);
#define v30_ICount nec_ICount
extern void v30_init(void);
extern void v30_reset(void *param);
extern void v30_exit(void);
extern int v30_execute(int cycles);
extern unsigned v30_get_context(void *dst);
extern void v30_set_context(void *src);
extern unsigned v30_get_reg(int regnum);
extern void v30_set_reg(int regnum, unsigned val);
extern void v30_set_irq_line(int irqline, int state);
extern void v30_set_irq_callback(int (*callback)(int irqline));
extern const char *v30_info(void *context, int regnum);
extern unsigned v30_dasm(char *buffer, unsigned pc);
#define v33_ICount nec_ICount
extern void v33_init(void);
extern void v33_reset(void *param);
extern void v33_exit(void);
extern int v33_execute(int cycles);
extern unsigned v33_get_context(void *dst);
extern void v33_set_context(void *src);
extern unsigned v33_get_reg(int regnum);
extern void v33_set_reg(int regnum, unsigned val);
extern void v33_set_irq_line(int irqline, int state);
extern void v33_set_irq_callback(int (*callback)(int irqline));
extern const char *v33_info(void *context, int regnum);
extern unsigned v33_dasm(char *buffer, unsigned pc);
*/
void nec_set_irq_line(int irqline, int state);
void nec_set_reg(int regnum, uint32_t val);
int nec_execute(int cycles);
unsigned nec_get_reg(int regnum);
void nec_reset (void *param);
void nec_reset(void *param);
void nec_int(uint16_t vector);
uint8_t cpu_readport(uint8_t);

150
source/nec/necmodrm.h
View File

@ -1,107 +1,115 @@
/*
* NewOswan
* necmodrm.h:
* Based on the original Oswan-unix
* Copyright (c) 2014-2021 986-Studio. All rights reserved.
*
*/
static struct
{
struct
{
WREGS w[256];
BREGS b[256];
} reg;
struct
{
WREGS w[256];
BREGS b[256];
} RM;
struct
{
WREGS w[256];
BREGS b[256];
} reg;
struct
{
WREGS w[256];
BREGS b[256];
} RM;
} Mod_RM;
#define RegWord(ModRM) I.regs.w[Mod_RM.reg.w[ModRM]]
#define RegByte(ModRM) I.regs.b[Mod_RM.reg.b[ModRM]]
#define GetRMWord(ModRM) \
((ModRM) >= 0xc0 ? I.regs.w[Mod_RM.RM.w[ModRM]] : ( (*GetEA[ModRM])(), ReadWord( EA ) ))
((ModRM) >= 0xc0 ? I.regs.w[Mod_RM.RM.w[ModRM]] : ( (*GetEA[ModRM])(), ReadWord( EA ) ))
#define PutbackRMWord(ModRM,val) \
{ \
if (ModRM >= 0xc0) I.regs.w[Mod_RM.RM.w[ModRM]]=val; \
#define PutbackRMWord(ModRM, val) \
{ \
if (ModRM >= 0xc0) I.regs.w[Mod_RM.RM.w[ModRM]]=val; \
else WriteWord(EA,val); \
}
#define GetnextRMWord ReadWord((EA&0xf0000)|((EA+2)&0xffff))
#define PutRMWord(ModRM,val) \
{ \
if (ModRM >= 0xc0) \
I.regs.w[Mod_RM.RM.w[ModRM]]=val; \
else { \
(*GetEA[ModRM])(); \
WriteWord( EA ,val); \
} \
#define PutRMWord(ModRM, val) \
{ \
if (ModRM >= 0xc0) \
I.regs.w[Mod_RM.RM.w[ModRM]]=val; \
else { \
(*GetEA[ModRM])(); \
WriteWord( EA ,val); \
} \
}
#define PutImmRMWord(ModRM) \
{ \
int16_t val; \
if (ModRM >= 0xc0) \
FETCHWORD(I.regs.w[Mod_RM.RM.w[ModRM]]) \
else { \
(*GetEA[ModRM])(); \
FETCHWORD(val) \
WriteWord( EA , val); \
} \
#define PutImmRMWord(ModRM) \
{ \
int16_t val; \
if (ModRM >= 0xc0) \
FETCHWORD(I.regs.w[Mod_RM.RM.w[ModRM]]) \
else { \
(*GetEA[ModRM])(); \
FETCHWORD(val) \
WriteWord( EA , val); \
} \
}
#define GetRMByte(ModRM) \
((ModRM) >= 0xc0 ? I.regs.b[Mod_RM.RM.b[ModRM]] : ReadByte( (*GetEA[ModRM])() ))
((ModRM) >= 0xc0 ? I.regs.b[Mod_RM.RM.b[ModRM]] : ReadByte( (*GetEA[ModRM])() ))
#define PutRMByte(ModRM,val) \
{ \
if (ModRM >= 0xc0) \
I.regs.b[Mod_RM.RM.b[ModRM]]=val; \
else \
WriteByte( (*GetEA[ModRM])() ,val); \
#define PutRMByte(ModRM, val) \
{ \
if (ModRM >= 0xc0) \
I.regs.b[Mod_RM.RM.b[ModRM]]=val; \
else \
WriteByte( (*GetEA[ModRM])() ,val); \
}
#define PutImmRMByte(ModRM) \
{ \
if (ModRM >= 0xc0) \
I.regs.b[Mod_RM.RM.b[ModRM]]=FETCH; \
else { \
(*GetEA[ModRM])(); \
WriteByte( EA , FETCH ); \
} \
#define PutImmRMByte(ModRM) \
{ \
if (ModRM >= 0xc0) \
I.regs.b[Mod_RM.RM.b[ModRM]]=FETCH; \
else { \
(*GetEA[ModRM])(); \
WriteByte( EA , FETCH ); \
} \
}
#define PutbackRMByte(ModRM,val) \
{ \
if (ModRM >= 0xc0) \
I.regs.b[Mod_RM.RM.b[ModRM]]=val; \
else \
WriteByte(EA,val); \
#define PutbackRMByte(ModRM, val) \
{ \
if (ModRM >= 0xc0) \
I.regs.b[Mod_RM.RM.b[ModRM]]=val; \
else \
WriteByte(EA,val); \
}
#define DEF_br8 \
uint32_t ModRM = FETCH,src,dst; \
src = RegByte(ModRM); \
#define DEF_br8 \
uint32_t ModRM = FETCH,src,dst; \
src = RegByte(ModRM); \
dst = GetRMByte(ModRM)
#define DEF_wr16 \
uint32_t ModRM = FETCH,src,dst; \
src = RegWord(ModRM); \
#define DEF_wr16 \
uint32_t ModRM = FETCH,src,dst; \
src = RegWord(ModRM); \
dst = GetRMWord(ModRM)
#define DEF_r8b \
uint32_t ModRM = FETCH,src,dst; \
dst = RegByte(ModRM); \
#define DEF_r8b \
uint32_t ModRM = FETCH,src,dst; \
dst = RegByte(ModRM); \
src = GetRMByte(ModRM)
#define DEF_r16w \
uint32_t ModRM = FETCH,src,dst; \
dst = RegWord(ModRM); \
#define DEF_r16w \
uint32_t ModRM = FETCH,src,dst; \
dst = RegWord(ModRM); \
src = GetRMWord(ModRM)
#define DEF_ald8 \
uint32_t src = FETCH; \
uint32_t dst = I.regs.b[AL]
#define DEF_ald8 \
uint32_t src = FETCH; \
uint32_t dst = I.regs.b[AL]
#define DEF_axd16 \
uint32_t src = FETCH; \
uint32_t dst = I.regs.w[AW]; \
#define DEF_axd16 \
uint32_t src = FETCH; \
uint32_t dst = I.regs.w[AW]; \
src += (FETCH << 8)

176
source/rom.c
View File

@ -1,5 +1,10 @@
//////////////////////////////////////////////////////////////////////////////
//
/*
* NewOswan
* tom.c:
* Based on the original Oswan-unix
* Copyright (c) 2014-2021 986-Studio. All rights reserved.
*
*/
//////////////////////////////////////////////////////////////////////////////
//
//
@ -21,7 +26,6 @@
#include "log.h"
#include "rom.h"
////////////////////////////////////////////////////////////////////////////////
//
////////////////////////////////////////////////////////////////////////////////
@ -33,7 +37,7 @@
//
//
////////////////////////////////////////////////////////////////////////////////
uint8_t *ws_rom_load(char *path, uint32_t *romSize)
uint8_t *ws_rom_load(char *path, uint32_t *romSize)
{
int fd;
uint8_t *ret_ptr;
@ -45,7 +49,7 @@ uint8_t *ws_rom_load(char *path, uint32_t *romSize)
*romSize = FileStat.st_size;
ret_ptr = (uint8_t *)mmap(NULL, FileStat.st_size, PROT_READ|PROT_WRITE, MAP_SHARED, fd, 0);
ret_ptr = (uint8_t *)mmap(NULL, FileStat.st_size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
close(fd);
@ -57,6 +61,7 @@ uint8_t *ws_rom_load(char *path, uint32_t *romSize)
return ret_ptr;
}
////////////////////////////////////////////////////////////////////////////////
//
////////////////////////////////////////////////////////////////////////////////
@ -68,68 +73,69 @@ uint8_t *ws_rom_load(char *path, uint32_t *romSize)
//
//
////////////////////////////////////////////////////////////////////////////////
void ws_rom_dumpInfo(uint8_t *wsrom, uint32_t romSize)
void ws_rom_dumpInfo(uint8_t *wsrom, uint32_t romSize)
{
ws_romHeaderStruct *romHeader=ws_rom_getHeader(wsrom,romSize);
ws_romHeaderStruct *romHeader = ws_rom_getHeader(wsrom, romSize);
fprintf(log_get(),"rom: developper Id 0x%.2x\n",romHeader->developperId);
fprintf(log_get(),"rom: cart Id 0x%.2x\n",romHeader->cartId);
fprintf(log_get(),"rom: minimum system %s\n",(romHeader->minimumSupportSystem==0)?"Wonderswan mono":"Wonderswan color");
fprintf(log_get(),"rom: size %i Mbits\n",(romSize>>20)<<3);
fprintf(log_get(),"rom: eeprom ");
fprintf(log_get(), "rom: developper Id 0x%.2x\n", romHeader->developperId);
fprintf(log_get(), "rom: cart Id 0x%.2x\n", romHeader->cartId);
fprintf(log_get(), "rom: minimum system %s\n",
(romHeader->minimumSupportSystem == 0) ? "Wonderswan mono" : "Wonderswan color");
fprintf(log_get(), "rom: size %i Mbits\n", (romSize >> 20) << 3);
fprintf(log_get(), "rom: eeprom ");
switch (romHeader->eepromSize&0xf)
{
case WS_EEPROM_SIZE_NONE:
{
fprintf(log_get(),"none\n");
break;
}
switch (romHeader->eepromSize & 0xf)
{
case WS_EEPROM_SIZE_NONE:
{
fprintf(log_get(), "none\n");
break;
}
case WS_EEPROM_SIZE_64k:
{
fprintf(log_get(),"64 kb\n");
break;
}
case WS_EEPROM_SIZE_64k:
{
fprintf(log_get(), "64 kb\n");
break;
}
case WS_EEPROM_SIZE_256k:
{
fprintf(log_get(),"256 kb\n");
break;
}
}
case WS_EEPROM_SIZE_256k:
{
fprintf(log_get(), "256 kb\n");
break;
}
}
fprintf(log_get(),"rom: sram ");
fprintf(log_get(), "rom: sram ");
switch (romHeader->eepromSize&0xf0)
{
case WS_SRAM_SIZE_NONE:
{
fprintf(log_get(),"none\n");
break;
}
switch (romHeader->eepromSize & 0xf0)
{
case WS_SRAM_SIZE_NONE:
{
fprintf(log_get(), "none\n");
break;
}
case WS_SRAM_SIZE_1k:
{
fprintf(log_get(),"1 kb\n");
break;
}
case WS_SRAM_SIZE_1k:
{
fprintf(log_get(), "1 kb\n");
break;
}
case WS_SRAM_SIZE_16k:
{
fprintf(log_get(),"16 kb\n");
break;
}
case WS_SRAM_SIZE_16k:
{
fprintf(log_get(), "16 kb\n");
break;
}
case WS_SRAM_SIZE_8k:
{
fprintf(log_get(),"8 kn\n");
break;
}
}
case WS_SRAM_SIZE_8k:
{
fprintf(log_get(), "8 kn\n");
break;
}
}
fprintf(log_get(),"rom: rtc %s\n",(romHeader->realtimeClock)?"Yes":"None");
fprintf(log_get(),"checksum 0x%.4x\n",romHeader->checksum);
fprintf(log_get(), "rom: rtc %s\n", (romHeader->realtimeClock) ? "Yes" : "None");
fprintf(log_get(), "checksum 0x%.4x\n", romHeader->checksum);
}
@ -144,12 +150,13 @@ void ws_rom_dumpInfo(uint8_t *wsrom, uint32_t romSize)
//
//
////////////////////////////////////////////////////////////////////////////////
ws_romHeaderStruct *ws_rom_getHeader(uint8_t *wsrom, uint32_t wsromSize)
ws_romHeaderStruct *ws_rom_getHeader(uint8_t *wsrom, uint32_t wsromSize)
{
ws_romHeaderStruct *wsromHeader = (ws_romHeaderStruct *)(wsrom + wsromSize - 10);
return(wsromHeader);
return (wsromHeader);
}
////////////////////////////////////////////////////////////////////////////////
//
////////////////////////////////////////////////////////////////////////////////
@ -161,27 +168,28 @@ ws_romHeaderStruct *ws_rom_getHeader(uint8_t *wsrom, uint32_t wsromSize)
//
//
////////////////////////////////////////////////////////////////////////////////
uint32_t ws_rom_sramSize(uint8_t *wsrom, uint32_t wsromSize)
uint32_t ws_rom_sramSize(uint8_t *wsrom, uint32_t wsromSize)
{
ws_romHeaderStruct *romHeader=ws_rom_getHeader(wsrom,wsromSize);
ws_romHeaderStruct *romHeader = ws_rom_getHeader(wsrom, wsromSize);
switch (romHeader->eepromSize&0xf0)
{
case WS_SRAM_SIZE_NONE:
return(0);
switch (romHeader->eepromSize & 0xf0)
{
case WS_SRAM_SIZE_NONE:
return (0);
case WS_SRAM_SIZE_1k:
return(0x400);
case WS_SRAM_SIZE_1k:
return (0x400);
case WS_SRAM_SIZE_16k:
return(0x4000);
case WS_SRAM_SIZE_16k:
return (0x4000);
case WS_SRAM_SIZE_8k:
return(0x2000);
}
case WS_SRAM_SIZE_8k:
return (0x2000);
}
return(0);
return (0);
}
////////////////////////////////////////////////////////////////////////////////
//
////////////////////////////////////////////////////////////////////////////////
@ -193,22 +201,22 @@ uint32_t ws_rom_sramSize(uint8_t *wsrom, uint32_t wsromSize)
//
//
////////////////////////////////////////////////////////////////////////////////
uint32_t ws_rom_eepromSize(uint8_t *wsrom, uint32_t wsromSize)
uint32_t ws_rom_eepromSize(uint8_t *wsrom, uint32_t wsromSize)
{
ws_romHeaderStruct *romHeader=ws_rom_getHeader(wsrom,wsromSize);
ws_romHeaderStruct *romHeader = ws_rom_getHeader(wsrom, wsromSize);
switch (romHeader->eepromSize&0xf)
{
case WS_EEPROM_SIZE_NONE:
return(0);
switch (romHeader->eepromSize & 0xf)
{
case WS_EEPROM_SIZE_NONE:
return (0);
case WS_EEPROM_SIZE_64k:
return(0x10000);
case WS_EEPROM_SIZE_64k:
return (0x10000);
case WS_EEPROM_SIZE_256k:
return(0x40000);
}
case WS_EEPROM_SIZE_256k:
return (0x40000);
}
return(0);
return (0);
}

70
source/rom.h
View File

@ -1,5 +1,10 @@
//////////////////////////////////////////////////////////////////////////////
//
/*
* NewOswan
* rom.h:
* Based on the original Oswan-unix
* Copyright (c) 2014-2021 986-Studio. All rights reserved.
*
*/
//////////////////////////////////////////////////////////////////////////////
//
//
@ -14,43 +19,40 @@
#include <stdint.h>
#define WS_ROM_SIZE_2MBIT 1
#define WS_ROM_SIZE_4MBIT 2
#define WS_ROM_SIZE_8MBIT 3
#define WS_ROM_SIZE_16MBIT 4
#define WS_ROM_SIZE_24MBIT 5
#define WS_ROM_SIZE_32MBIT 6
#define WS_ROM_SIZE_48MBIT 7
#define WS_ROM_SIZE_64MBIT 8
#define WS_ROM_SIZE_128MBIT 9
#define WS_EEPROM_SIZE_NONE 0
#define WS_SRAM_SIZE_NONE 0
#define WS_EEPROM_SIZE_64k 1
#define WS_EEPROM_SIZE_256k 2
#define WS_SRAM_SIZE_1k 10
#define WS_SRAM_SIZE_16k 20
#define WS_SRAM_SIZE_8k 50
#define WS_ROM_SIZE_2MBIT 1
#define WS_ROM_SIZE_4MBIT 2
#define WS_ROM_SIZE_8MBIT 3
#define WS_ROM_SIZE_16MBIT 4
#define WS_ROM_SIZE_24MBIT 5
#define WS_ROM_SIZE_32MBIT 6
#define WS_ROM_SIZE_48MBIT 7
#define WS_ROM_SIZE_64MBIT 8
#define WS_ROM_SIZE_128MBIT 9
#define WS_EEPROM_SIZE_NONE 0
#define WS_SRAM_SIZE_NONE 0
#define WS_EEPROM_SIZE_64k 1
#define WS_EEPROM_SIZE_256k 2
#define WS_SRAM_SIZE_1k 10
#define WS_SRAM_SIZE_16k 20
#define WS_SRAM_SIZE_8k 50
typedef struct ws_romHeaderStruct
{
uint8_t developperId;
uint8_t minimumSupportSystem;
uint8_t cartId;
uint8_t romSize;
uint8_t eepromSize;
uint8_t additionnalCapabilities;
uint8_t realtimeClock;
uint16_t checksum;
uint8_t developperId;
uint8_t minimumSupportSystem;
uint8_t cartId;
uint8_t romSize;
uint8_t eepromSize;
uint8_t additionnalCapabilities;
uint8_t realtimeClock;
uint16_t checksum;
} ws_romHeaderStruct;
uint8_t *ws_rom_load(char *path, uint32_t *romSize);
void ws_rom_dumpInfo(uint8_t *wsrom, uint32_t wsromSize);
ws_romHeaderStruct *ws_rom_getHeader(uint8_t *wsrom, uint32_t wsromSize);
uint32_t ws_rom_sramSize(uint8_t *wsrom, uint32_t wsromSize);
uint32_t ws_rom_eepromSize(uint8_t *wsrom, uint32_t wsromSize);
uint8_t *ws_rom_load(char *path, uint32_t *romSize);
void ws_rom_dumpInfo(uint8_t *wsrom, uint32_t wsromSize);
ws_romHeaderStruct *ws_rom_getHeader(uint8_t *wsrom, uint32_t wsromSize);
uint32_t ws_rom_sramSize(uint8_t *wsrom, uint32_t wsromSize);
uint32_t ws_rom_eepromSize(uint8_t *wsrom, uint32_t wsromSize);
#endif

531
source/ws.c
View File

@ -1,5 +1,10 @@
////////////////////////////////////////////////////////////////////////////////
// Wonderswan emulator
/*
* NewOswan
* ws.c: Base wonderswan implementation
* Based on the original Oswan-unix
* Copyright (c) 2014-2021 986-Studio. All rights reserved.
*
*/
////////////////////////////////////////////////////////////////////////////////
//
//
@ -43,14 +48,14 @@
//
////////////////////////////////////////////////////////////////////////////////
uint32_t ws_cycles;
uint32_t ws_skip;
uint32_t ws_cyclesByLine=0;
uint32_t vblank_count=0;
uint32_t ws_cycles;
uint32_t ws_skip;
uint32_t ws_cyclesByLine = 0;
uint32_t vblank_count = 0;
char *ws_sram_path = NULL;
char *ws_ieep_path = NULL;
char *ws_rom_path = NULL;
char *ws_rom_path = NULL;
wssystem_t systemType;
////////////////////////////////////////////////////////////////////////////////
@ -67,15 +72,15 @@ wssystem_t systemType;
void ws_patchRom(void)
{
uint8_t *rom=memory_getRom();
uint32_t romSize=memory_getRomSize();
uint8_t *rom = memory_getRom();
uint32_t romSize = memory_getRomSize();
fprintf(log_get(),"developper Id: 0x%.2x\nGame Id: 0x%.2x\n",rom[romSize-10],rom[romSize-8]);
fprintf(log_get(), "developper Id: 0x%.2x\nGame Id: 0x%.2x\n", rom[romSize - 10], rom[romSize - 8]);
if (!ws_cyclesByLine)
{
ws_cyclesByLine=256;
}
if (!ws_cyclesByLine)
{
ws_cyclesByLine = 256;
}
}
////////////////////////////////////////////////////////////////////////////////
@ -91,53 +96,53 @@ void ws_patchRom(void)
////////////////////////////////////////////////////////////////////////////////
int ws_init(char *rompath)
{
uint8_t *rom;
uint32_t romSize;
uint8_t *rom;
uint32_t romSize;
if ((rom=ws_rom_load(rompath,&romSize))==NULL)
{
printf("Error: cannot load %s\n",rompath);
return(0);
}
if ((rom = ws_rom_load(rompath, &romSize)) == NULL)
{
printf("Error: cannot load %s\n", rompath);
return (0);
}
ws_memory_init(rom, romSize);
ws_patchRom();
ws_memory_init(rom, romSize);
ws_patchRom();
ws_staticRam = (uint8_t *)load_file(ws_ieep_path);
if (ws_staticRam == NULL)
{
ws_staticRam = (uint8_t *)create_file(ws_sram_path, 0x10000);
}
ws_staticRam = (uint8_t *)load_file(ws_ieep_path);
if (ws_staticRam == NULL)
{
ws_staticRam = (uint8_t *)create_file(ws_sram_path, 0x10000);
}
if (ws_staticRam == NULL)
{
printf("Card SRAM load error!\n");
return 0;
}
if (ws_staticRam == NULL)
{
printf("Card SRAM load error!\n");
return 0;
}
externalEeprom = (uint8_t *)load_file(ws_ieep_path);
if (externalEeprom == NULL)
{
externalEeprom = (uint8_t *)create_file(ws_ieep_path, 0x100000);
}
if (externalEeprom == NULL)
{
printf("Card EEPROM load error!\n");
return 0;
}
externalEeprom = (uint8_t *)load_file(ws_ieep_path);
if (externalEeprom == NULL)
{
externalEeprom = (uint8_t *)create_file(ws_ieep_path, 0x100000);
}
if (externalEeprom == NULL)
{
printf("Card EEPROM load error!\n");
return 0;
}
ws_io_init();
ws_audio_init();
ws_gpu_init();
ws_io_init();
ws_audio_init();
ws_gpu_init();
if (ws_rotated())
{
ws_io_flipControls();
}
if (ws_rotated())
{
ws_io_flipControls();
}
return(1);
return (1);
}
////////////////////////////////////////////////////////////////////////////////
//
////////////////////////////////////////////////////////////////////////////////
@ -151,13 +156,14 @@ int ws_init(char *rompath)
////////////////////////////////////////////////////////////////////////////////
void ws_reset(void)
{
ws_memory_reset();
ws_io_reset();
ws_audio_reset();
ws_gpu_reset();
nec_reset(NULL);
nec_set_reg(NEC_SP,0x2000);
ws_memory_reset();
ws_io_reset();
ws_audio_reset();
ws_gpu_reset();
nec_reset(NULL);
nec_set_reg(NEC_SP, 0x2000);
}
////////////////////////////////////////////////////////////////////////////////
//
////////////////////////////////////////////////////////////////////////////////
@ -171,100 +177,101 @@ void ws_reset(void)
////////////////////////////////////////////////////////////////////////////////
int ws_executeLine(int16_t *framebuffer, int renderLine)
{
int drawWholeScreen=0;
int drawWholeScreen = 0;
ws_audio_process();
ws_audio_process();
// update scanline register
ws_ioRam[2]=ws_gpu_scanline;
// update scanline register
ws_ioRam[2] = ws_gpu_scanline;
/* Why twice like that and random cycle count???? */
ws_cycles=nec_execute((ws_cyclesByLine>>1)+(rand()&7));
ws_cycles+=nec_execute((ws_cyclesByLine>>1)+(rand()&7));
/* Why twice like that and random cycle count???? */
ws_cycles = nec_execute((ws_cyclesByLine >> 1) + (rand() & 7));
ws_cycles += nec_execute((ws_cyclesByLine >> 1) + (rand() & 7));
if(ws_cycles>=ws_cyclesByLine+ws_cyclesByLine)
{
ws_skip=ws_cycles/ws_cyclesByLine;
}
else
{
ws_skip=1;
}
if (ws_cycles >= ws_cyclesByLine + ws_cyclesByLine)
{
ws_skip = ws_cycles / ws_cyclesByLine;
}
else
{
ws_skip = 1;
}
ws_cycles%=ws_cyclesByLine;
ws_cycles %= ws_cyclesByLine;
for(uint32_t uI=0; uI<ws_skip; uI++)
{
if (renderLine)
{
ws_gpu_renderScanline(framebuffer);
}
for (uint32_t uI = 0 ; uI < ws_skip ; uI++)
{
if (renderLine)
{
ws_gpu_renderScanline(framebuffer);
}
ws_gpu_scanline++;
ws_gpu_scanline++;
if(ws_gpu_scanline==144)
{
drawWholeScreen=1;
}
if (ws_gpu_scanline == 144)
{
drawWholeScreen = 1;
}
}
}
if(ws_gpu_scanline>158)
{
ws_gpu_scanline=0;
{
if((ws_ioRam[0xb2]&32)) /* VBLANK Timer */
{
/* TODO: REPAIR THAT SHIT */
ws_ioRam[0xb6]&=~32;
nec_int((ws_ioRam[0xb0]+5)*4);
}
}
}
if (ws_gpu_scanline > 158)
{
ws_gpu_scanline = 0;
{
if ((ws_ioRam[0xb2] & 32)) /* VBLANK Timer */
{
/* TODO: REPAIR THAT SHIT */
ws_ioRam[0xb6] &= ~32;
nec_int((ws_ioRam[0xb0] + 5) * 4);
}
}
}
ws_ioRam[2]=ws_gpu_scanline;
ws_ioRam[2] = ws_gpu_scanline;
if(drawWholeScreen)
{
if (drawWholeScreen)
{
if(ws_ioRam[0xb2]&64) /* VBLANK INT */
{
ws_ioRam[0xb6]&=~64;
nec_int((ws_ioRam[0xb0]+6)*4);
}
if (ws_ioRam[0xb2] & 64) /* VBLANK INT */
{
ws_ioRam[0xb6] &= ~64;
nec_int((ws_ioRam[0xb0] + 6) * 4);
}
vblank_count++;
}
vblank_count++;
}
if(ws_ioRam[0xa4]&&(ws_ioRam[0xb2]&128)) /*HBLANK TMR*/
{
/* TODO: Check that shit */
if(!ws_ioRam[0xa5])
{
ws_ioRam[0xa5]=ws_ioRam[0xa4];
}
if (ws_ioRam[0xa4] && (ws_ioRam[0xb2] & 128)) /*HBLANK TMR*/
{
/* TODO: Check that shit */
if (!ws_ioRam[0xa5])
{
ws_ioRam[0xa5] = ws_ioRam[0xa4];
}
if(ws_ioRam[0xa5])
{
ws_ioRam[0xa5]--;
}
if (ws_ioRam[0xa5])
{
ws_ioRam[0xa5]--;
}
if((!ws_ioRam[0xa5])&&(ws_ioRam[0xb2]&128))
{
if ((!ws_ioRam[0xa5]) && (ws_ioRam[0xb2] & 128))
{
ws_ioRam[0xb6]&=~128;
nec_int((ws_ioRam[0xb0]+7)*4);
}
}
ws_ioRam[0xb6] &= ~128;
nec_int((ws_ioRam[0xb0] + 7) * 4);
}
}
if((ws_ioRam[0x2]==ws_ioRam[0x3])&&(ws_ioRam[0xb2]&16)) /*SCANLINE INT*/
{
ws_ioRam[0xb6]&=~16;
nec_int((ws_ioRam[0xb0]+4)*4);
}
if ((ws_ioRam[0x2] == ws_ioRam[0x3]) && (ws_ioRam[0xb2] & 16)) /*SCANLINE INT*/
{
ws_ioRam[0xb6] &= ~16;
nec_int((ws_ioRam[0xb0] + 4) * 4);
}
return(drawWholeScreen);
return (drawWholeScreen);
}
////////////////////////////////////////////////////////////////////////////////
//
////////////////////////////////////////////////////////////////////////////////
@ -278,11 +285,12 @@ int ws_executeLine(int16_t *framebuffer, int renderLine)
////////////////////////////////////////////////////////////////////////////////
void ws_done(void)
{
ws_memory_done();
ws_io_done();
ws_audio_done();
ws_gpu_done();
ws_memory_done();
ws_io_done();
ws_audio_done();
ws_gpu_done();
}
////////////////////////////////////////////////////////////////////////////////
//
////////////////////////////////////////////////////////////////////////////////
@ -318,67 +326,67 @@ wssystem_t ws_get_system()
//
//
////////////////////////////////////////////////////////////////////////////////
#define MacroLoadNecRegisterFromFile(F,R) \
read(fp,&value,sizeof(value)); \
nec_set_reg(R,value);
#define MacroLoadNecRegisterFromFile(F, R) \
read(fp,&value,sizeof(value)); \
nec_set_reg(R,value);
int ws_loadState(char *statepath)
int ws_loadState(char *statepath)
{
fprintf(log_get(),"loading %s\n",statepath);
uint16_t crc=memory_getRomCrc();
uint16_t newCrc;
unsigned value;
uint8_t ws_newVideoMode;
fprintf(log_get(), "loading %s\n", statepath);
uint16_t crc = memory_getRomCrc();
uint16_t newCrc;
unsigned value;
uint8_t ws_newVideoMode;
int fp = open(statepath, O_RDONLY);
int fp = open(statepath, O_RDONLY);
if (fp == -1)
{
return(0);
}
if (fp == -1)
{
return (0);
}
read(fp, &newCrc, 2);
read(fp, &newCrc, 2);
if (newCrc!=crc)
{
return(-1);
}
if (newCrc != crc)
{
return (-1);
}
MacroLoadNecRegisterFromFile(fp,NEC_IP);
MacroLoadNecRegisterFromFile(fp,NEC_AW);
MacroLoadNecRegisterFromFile(fp,NEC_BW);
MacroLoadNecRegisterFromFile(fp,NEC_CW);
MacroLoadNecRegisterFromFile(fp,NEC_DW);
MacroLoadNecRegisterFromFile(fp,NEC_CS);
MacroLoadNecRegisterFromFile(fp,NEC_DS);
MacroLoadNecRegisterFromFile(fp,NEC_ES);
MacroLoadNecRegisterFromFile(fp,NEC_SS);
MacroLoadNecRegisterFromFile(fp,NEC_IX);
MacroLoadNecRegisterFromFile(fp,NEC_IY);
MacroLoadNecRegisterFromFile(fp,NEC_BP);
MacroLoadNecRegisterFromFile(fp,NEC_SP);
MacroLoadNecRegisterFromFile(fp,NEC_FLAGS);
MacroLoadNecRegisterFromFile(fp,NEC_VECTOR);
MacroLoadNecRegisterFromFile(fp,NEC_PENDING);
MacroLoadNecRegisterFromFile(fp,NEC_NMI_STATE);
MacroLoadNecRegisterFromFile(fp,NEC_IRQ_STATE);
MacroLoadNecRegisterFromFile(fp, NEC_IP);
MacroLoadNecRegisterFromFile(fp, NEC_AW);
MacroLoadNecRegisterFromFile(fp, NEC_BW);
MacroLoadNecRegisterFromFile(fp, NEC_CW);
MacroLoadNecRegisterFromFile(fp, NEC_DW);
MacroLoadNecRegisterFromFile(fp, NEC_CS);
MacroLoadNecRegisterFromFile(fp, NEC_DS);
MacroLoadNecRegisterFromFile(fp, NEC_ES);
MacroLoadNecRegisterFromFile(fp, NEC_SS);
MacroLoadNecRegisterFromFile(fp, NEC_IX);
MacroLoadNecRegisterFromFile(fp, NEC_IY);
MacroLoadNecRegisterFromFile(fp, NEC_BP);
MacroLoadNecRegisterFromFile(fp, NEC_SP);
MacroLoadNecRegisterFromFile(fp, NEC_FLAGS);
MacroLoadNecRegisterFromFile(fp, NEC_VECTOR);
MacroLoadNecRegisterFromFile(fp, NEC_PENDING);
MacroLoadNecRegisterFromFile(fp, NEC_NMI_STATE);
MacroLoadNecRegisterFromFile(fp, NEC_IRQ_STATE);
read(fp,internalRam,65536);
read(fp,ws_staticRam,65536);
read(fp,ws_ioRam,256);
read(fp,ws_paletteColors,8);
read(fp,ws_palette,16*4*2);
read(fp,wsc_palette,16*16*2);
read(fp,&ws_newVideoMode,1);
read(fp,&ws_gpu_scanline,1);
read(fp,externalEeprom,131072);
read(fp, internalRam, 65536);
read(fp, ws_staticRam, 65536);
read(fp, ws_ioRam, 256);
read(fp, ws_paletteColors, 8);
read(fp, ws_palette, 16 * 4 * 2);
read(fp, wsc_palette, 16 * 16 * 2);
read(fp, &ws_newVideoMode, 1);
read(fp, &ws_gpu_scanline, 1);
read(fp, externalEeprom, 131072);
ws_audio_readState(fp);
close(fp);
ws_audio_readState(fp);
close(fp);
// force a video mode change to make all tiles dirty
ws_gpu_clearCache();
return(1);
// force a video mode change to make all tiles dirty
ws_gpu_clearCache();
return (1);
}
////////////////////////////////////////////////////////////////////////////////
//
@ -391,89 +399,90 @@ int ws_loadState(char *statepath)
//
//
////////////////////////////////////////////////////////////////////////////////
#define MacroStoreNecRegisterToFile(F,R) \
value=nec_get_reg(R); \
write(fp,&value,sizeof(value));
#define MacroStoreNecRegisterToFile(F, R) \
value=nec_get_reg(R); \
write(fp,&value,sizeof(value));
int ws_saveState(char *statepath)
int ws_saveState(char *statepath)
{
uint16_t crc=memory_getRomCrc();
uint32_t value;
char newPath[1024];
fprintf(log_get(),"saving %s\n",statepath);
uint16_t crc = memory_getRomCrc();
uint32_t value;
char newPath[1024];
fprintf(log_get(), "saving %s\n", statepath);
if (strlen(statepath)<4)
{
sprintf(newPath,"%s.wss",statepath);
}
else
{
int len=strlen(statepath);
if (strlen(statepath) < 4)
{
sprintf(newPath, "%s.wss", statepath);
}
else
{
int len = strlen(statepath);
if ((statepath[len-1]!='s')&&(statepath[len-1]!='S'))
{
sprintf(newPath,"%s.wss",statepath);
}
else if ((statepath[len-2]!='s')&&(statepath[len-2]!='S'))
{
sprintf(newPath,"%s.wss",statepath);
}
else if ((statepath[len-3]!='w')&&(statepath[len-3]!='w'))
{
sprintf(newPath,"%s.wss",statepath);
}
else if (statepath[len-4]!='.')
{
sprintf(newPath,"%s.wss",statepath);
}
else
{
sprintf(newPath,"%s",statepath);
}
}
if ((statepath[len - 1] != 's') && (statepath[len - 1] != 'S'))
{
sprintf(newPath, "%s.wss", statepath);
}
else if ((statepath[len - 2] != 's') && (statepath[len - 2] != 'S'))
{
sprintf(newPath, "%s.wss", statepath);
}
else if ((statepath[len - 3] != 'w') && (statepath[len - 3] != 'w'))
{
sprintf(newPath, "%s.wss", statepath);
}
else if (statepath[len - 4] != '.')
{
sprintf(newPath, "%s.wss", statepath);
}
else
{
sprintf(newPath, "%s", statepath);
}
}
int fp=open(newPath, O_RDWR|O_CREAT, 0644);
int fp = open(newPath, O_RDWR | O_CREAT, 0644);
if (fp==-1)
{
return(0);
}
if (fp == -1)
{
return (0);
}
write(fp,&crc,2);
MacroStoreNecRegisterToFile(fp,NEC_IP);
MacroStoreNecRegisterToFile(fp,NEC_AW);
MacroStoreNecRegisterToFile(fp,NEC_BW);
MacroStoreNecRegisterToFile(fp,NEC_CW);
MacroStoreNecRegisterToFile(fp,NEC_DW);
MacroStoreNecRegisterToFile(fp,NEC_CS);
MacroStoreNecRegisterToFile(fp,NEC_DS);
MacroStoreNecRegisterToFile(fp,NEC_ES);
MacroStoreNecRegisterToFile(fp,NEC_SS);
MacroStoreNecRegisterToFile(fp,NEC_IX);
MacroStoreNecRegisterToFile(fp,NEC_IY);
MacroStoreNecRegisterToFile(fp,NEC_BP);
MacroStoreNecRegisterToFile(fp,NEC_SP);
MacroStoreNecRegisterToFile(fp,NEC_FLAGS);
MacroStoreNecRegisterToFile(fp,NEC_VECTOR);
MacroStoreNecRegisterToFile(fp,NEC_PENDING);
MacroStoreNecRegisterToFile(fp,NEC_NMI_STATE);
MacroStoreNecRegisterToFile(fp,NEC_IRQ_STATE);
write(fp, &crc, 2);
MacroStoreNecRegisterToFile(fp, NEC_IP);
MacroStoreNecRegisterToFile(fp, NEC_AW);
MacroStoreNecRegisterToFile(fp, NEC_BW);
MacroStoreNecRegisterToFile(fp, NEC_CW);
MacroStoreNecRegisterToFile(fp, NEC_DW);
MacroStoreNecRegisterToFile(fp, NEC_CS);
MacroStoreNecRegisterToFile(fp, NEC_DS);
MacroStoreNecRegisterToFile(fp, NEC_ES);
MacroStoreNecRegisterToFile(fp, NEC_SS);
MacroStoreNecRegisterToFile(fp, NEC_IX);
MacroStoreNecRegisterToFile(fp, NEC_IY);
MacroStoreNecRegisterToFile(fp, NEC_BP);
MacroStoreNecRegisterToFile(fp, NEC_SP);
MacroStoreNecRegisterToFile(fp, NEC_FLAGS);
MacroStoreNecRegisterToFile(fp, NEC_VECTOR);
MacroStoreNecRegisterToFile(fp, NEC_PENDING);
MacroStoreNecRegisterToFile(fp, NEC_NMI_STATE);
MacroStoreNecRegisterToFile(fp, NEC_IRQ_STATE);
write(fp,internalRam,65536);
write(fp,ws_staticRam,65536);
write(fp,ws_ioRam,256);
write(fp,ws_paletteColors,8);
write(fp,ws_palette,16*4*2);
write(fp,wsc_palette,16*16*2);
write(fp,&ws_videoMode,1);
write(fp,&ws_gpu_scanline,1);
write(fp,externalEeprom,131072);
write(fp, internalRam, 65536);
write(fp, ws_staticRam, 65536);
write(fp, ws_ioRam, 256);
write(fp, ws_paletteColors, 8);
write(fp, ws_palette, 16 * 4 * 2);
write(fp, wsc_palette, 16 * 16 * 2);
write(fp, &ws_videoMode, 1);
write(fp, &ws_gpu_scanline, 1);
write(fp, externalEeprom, 131072);
ws_audio_writeState(fp);
close(fp);
ws_audio_writeState(fp);
close(fp);
return(1);
return (1);
}
////////////////////////////////////////////////////////////////////////////////
//
////////////////////////////////////////////////////////////////////////////////
@ -487,8 +496,8 @@ int ws_saveState(char *statepath)
////////////////////////////////////////////////////////////////////////////////
int ws_rotated(void)
{
uint8_t *rom=memory_getRom();
uint32_t romSize=memory_getRomSize();
uint8_t *rom = memory_getRom();
uint32_t romSize = memory_getRomSize();
return(rom[romSize-4]&1);
return (rom[romSize - 4] & 1);
}

39
source/ws.h
View File

@ -1,5 +1,10 @@
//////////////////////////////////////////////////////////////////////////////
//
/*
* NewOswan
* ws.h:
* Based on the original Oswan-unix
* Copyright (c) 2014-2021 986-Studio. All rights reserved.
*
*/
//////////////////////////////////////////////////////////////////////////////
//
//
@ -14,25 +19,23 @@
#include <stdint.h>
typedef enum wssystem_t {
WS_SYSTEM_AUTODETECT = 0,
WS_SYSTEM_MONO,
WS_SYSTEM_COLOR,
WS_SYSTEM_CRYSTAL,
typedef enum wssystem_t
{
WS_SYSTEM_AUTODETECT = 0, WS_SYSTEM_MONO, WS_SYSTEM_COLOR, WS_SYSTEM_CRYSTAL,
} wssystem_t;
extern uint32_t ws_cyclesByLine;
extern uint32_t ws_cyclesByLine;
int ws_init(char *rompath);
int ws_rotated(void);
void ws_set_system(wssystem_t system);
wssystem_t ws_get_system();
void ws_reset(void);
int ws_executeLine(int16_t *framebuffer, int renderLine);
void ws_patchRom(void);
int ws_loadState(char *statepath);
int ws_saveState(char *statepath);
void ws_done(void);
int ws_init(char *rompath);
int ws_rotated(void);
void ws_set_system(wssystem_t system);
wssystem_t ws_get_system();
void ws_reset(void);
int ws_executeLine(int16_t *framebuffer, int renderLine);
void ws_patchRom(void);
int ws_loadState(char *statepath);
int ws_saveState(char *statepath);
void ws_done(void);
extern char *ws_sram_path;
extern char *ws_ieep_path;

7
testserial.c
View File

@ -1,3 +1,10 @@
/*
* NewOswan
* testserial.c: A simple tool to test serial in/out
* Based on the original Oswan-unix
* Copyright (c) 2014-2021 986-Studio. All rights reserved.
*
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>