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addd bugs, clean code

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david 2009-06-10 16:30:46 +02:00
parent 4ea1912318
commit 1100333487
12 changed files with 3042 additions and 2513 deletions
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22
bugs/issue-032fab33a68ffbeb19f1e9fa4856101996759255.yaml Normal file
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@ -0,0 +1,22 @@
--- !ditz.rubyforge.org,2008-03-06/issue
title: relocate code
desc: |-
move main code to upper page like 0xe4 and use 0x4f as shared mem window
or even combine this
code seems to reloacte and start, but ram doesn't seem accessable. broked
sprintfs
type: :bugfix
component: fatfs
release:
reporter: David <david@optixx.org>
status: :unstarted
disposition:
creation_time: 2009-06-10 14:22:10.400739 Z
references: []
id: 032fab33a68ffbeb19f1e9fa4856101996759255
log_events:
- - 2009-06-10 14:22:11.288638 Z
- David <david@optixx.org>
- created
- ""

21
bugs/issue-6498cae9de5e51829e5dbb6b8fcaa20c7a647aa6.yaml Normal file
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@ -0,0 +1,21 @@
--- !ditz.rubyforge.org,2008-03-06/issue
title: "debug ram mapping "
desc: |-
global vars seem to be borked or miss used. seems all kind of buffers are overlapping
just reordering global var order renders the code unusable.
also the strange sprintf buffer conflicts seem to related to this issue
type: :bugfix
component: fatfs
release:
reporter: David <david@optixx.org>
status: :unstarted
disposition:
creation_time: 2009-06-10 14:23:44.121219 Z
references: []
id: 6498cae9de5e51829e5dbb6b8fcaa20c7a647aa6
log_events:
- - 2009-06-10 14:23:45.632999 Z
- David <david@optixx.org>
- created
- ""

20
bugs/issue-99ae09d1da472e76501325424bc586f78980199e.yaml Normal file
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@ -0,0 +1,20 @@
--- !ditz.rubyforge.org,2008-03-06/issue
title: debug sta return val
desc: |-
debug the sta value in diskio.c
never seems to take the correct value, looks like global,local scope problem
type: :bugfix
component: fatfs
release:
reporter: David <david@optixx.org>
status: :unstarted
disposition:
creation_time: 2009-06-10 14:20:20.608109 Z
references: []
id: 99ae09d1da472e76501325424bc586f78980199e
log_events:
- - 2009-06-10 14:20:24.343929 Z
- David <david@optixx.org>
- created
- ""

30
snes/fatfstest/PPU.c
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@ -3,43 +3,52 @@
byte tileMapLocation[4];
word characterLocation[4];
void waitForVBlank(void) {
void waitForVBlank(void)
{
byte Status;
do {
Status = *(byte *) 0x4210;
} while (!(Status & 0x80));
}
void setTileMapLocation(word vramDst, byte screenProp, byte bgNumber) {
void setTileMapLocation(word vramDst, byte screenProp, byte bgNumber)
{
tileMapLocation[bgNumber] = ((vramDst >> 8) & 0xfc) | (screenProp & 0x03);
*(byte *) (0x2107 + bgNumber) = tileMapLocation[bgNumber];
}
void restoreTileMapLocation(byte bgNumber) {
void restoreTileMapLocation(byte bgNumber)
{
*(byte *) (0x2107 + bgNumber) = tileMapLocation[bgNumber];
}
void setCharacterLocation(word vramDst, byte bgNumber) {
void setCharacterLocation(word vramDst, byte bgNumber)
{
characterLocation[bgNumber] = vramDst;
if (bgNumber < 2) {
*(byte*) 0x210b = (characterLocation[1] >> 8 & 0xf0 ) + (characterLocation[0] >> 12);
*(byte *) 0x210b =
(characterLocation[1] >> 8 & 0xf0) + (characterLocation[0] >> 12);
} else {
*(byte*) 0x210c = (characterLocation[3] >> 8 & 0xf0 ) + (characterLocation[2] >> 12);
*(byte *) 0x210c =
(characterLocation[3] >> 8 & 0xf0) + (characterLocation[2] >> 12);
}
}
void restoreCharacterLocation(byte bgNumber) {
void restoreCharacterLocation(byte bgNumber)
{
setCharacterLocation(characterLocation[bgNumber], bgNumber);
}
void VRAMByteWrite(byte value, word vramDst) {
void VRAMByteWrite(byte value, word vramDst)
{
*(byte *) 0x2115 = 0x80;
*(word *) 0x2116 = vramDst;
*(byte *) 0x2118 = value;
}
void VRAMLoad(word src, word vramDst, word size) {
void VRAMLoad(word src, word vramDst, word size)
{
// set address in VRam for read or write ($2116) + block size transfer ($2115)
*(byte *) 0x2115 = 0x80;
*(word *) 0x2116 = vramDst;
@ -59,7 +68,8 @@ void VRAMLoad(word src, word vramDst, word size) {
*(byte *) 0x2100 = 0x00;
}
void CGRAMLoad(word src, byte cgramDst, word size) {
void CGRAMLoad(word src, byte cgramDst, word size)
{
// set address in VRam for read or write + block size
*(byte *) 0x2121 = cgramDst;

53
snes/fatfstest/debug.c
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@ -17,7 +17,8 @@ static char debug_buffer[512];
static char screen_buffer[512];
void debug_init(void) {
void debug_init(void)
{
word i;
for (i = 0; i < 0x400; i++) {
debugMap[i] = 0x00;
@ -26,7 +27,8 @@ void debug_init(void) {
}
void debug_enable(void){
void debug_enable(void)
{
VRAMLoad((word) debugFont_pic, 0x5000, 2048);
VRAMLoad((word) debugMap, 0x4000, 0x0800);
setTileMapLocation(0x4000, (byte) 0x00, (byte) 0);
@ -52,7 +54,8 @@ void debug_enable(void){
}
void clears(void) {
void clears(void)
{
word i, y;
for (y = 0; y < 20; y++) {
waitForVBlank();
@ -64,12 +67,14 @@ void clears(void) {
}
}
void _print_char(word y,word x, char c){
void _print_char(word y, word x, char c)
{
waitForVBlank();
VRAMByteWrite((byte) (c - 32), (word) (0x4000 + x + (y * 0x20)));
}
void _print_screen(word y, char *buffer){
void _print_screen(word y, char *buffer)
{
char l;
char x = 0;
l = strlen(buffer);
@ -97,7 +102,8 @@ void _print_screen(word y, char *buffer){
#endif
}
}
void _print_console(const char *buffer){
void _print_console(const char *buffer)
{
while (*buffer)
*(byte *) 0x3000 = *buffer++;
}
@ -105,7 +111,8 @@ void _print_console(const char *buffer){
void printfc(const char *fmt,...){
void printfc(const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
vsprintf(debug_buffer, fmt, ap);
@ -115,7 +122,8 @@ void printfc(const char *fmt,...){
}
void printfs(word y,const char *fmt,...){
void printfs(word y, const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
vsprintf(screen_buffer, fmt, ap);
@ -124,7 +132,8 @@ void printfs(word y,const char *fmt,...){
memset(screen_buffer, 0, 255);
}
void printc_packet(unsigned long addr,unsigned int len,byte *packet){
void printc_packet(unsigned long addr, unsigned int len, byte * packet)
{
unsigned int i, j;
unsigned int sum = 0;
unsigned int clear = 0;
@ -158,40 +167,48 @@ void printc_packet(unsigned long addr,unsigned int len,byte *packet){
}
}
/* keep the linker happy */
int open(const char * _name, int _mode){
/*
* keep the linker happy
*/
int open(const char *_name, int _mode)
{
_print_console("open called\n");
return -1;
}
int close(int fd){
int close(int fd)
{
_print_console("close called\n");
return -1;
}
size_t read(int fd, void * buff, size_t len){
size_t read(int fd, void *buff, size_t len)
{
_print_console("read called\n");
return 0;
}
size_t write(int fd, void * buffer, size_t len){
size_t write(int fd, void *buffer, size_t len)
{
_print_console("write called\n");
return 0;
}
long lseek(int fd, long off, int count){
long lseek(int fd, long off, int count)
{
_print_console("lseek called\n");
return 0;
}
int unlink(const char * name){
int unlink(const char *name)
{
_print_console("unlink called\n");
return -1;
}
int isatty(){
int isatty()
{
_print_console("isatty called\n");
return 1;
}

88
snes/fatfstest/diskio.c
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@ -7,25 +7,18 @@
/* Interface
** Scratch Buffer
addr 3 byte
size 1 byte
** Call Interface
cmd 1 byte
sector 4 bytes
count 1 byte
return 1 byte
** Commands
* disk_init
* disk_read
* disk_write
/*
* Interface ** Scratch Buffer addr 3 byte size 1 byte
*
* ** Call Interface cmd 1 byte sector 4 bytes count 1 byte return 1 byte
*
* ** Commands * disk_init * disk_read * disk_write
*/
/*-----------------------------------------------------------------------*/
/* Initialize Disk Drive */
/*
* Initialize Disk Drive
*/
/*-----------------------------------------------------------------------*/
#include <string.h>
@ -36,13 +29,15 @@ return 1 byte
DSTATUS Stat = 0; // STA_NOINIT; /* Disk status */
DSTATUS disk_initialize (BYTE drv) {
DSTATUS disk_initialize(BYTE drv)
{
byte retval;
#ifdef MMIO_DEBUG
printfc("SNES::disk_initialize: called drv=%i stat=%i\n", drv, Stat);
#endif
if (drv) return STA_NOINIT; /* Supports only single drive */
if (drv)
return STA_NOINIT; /* Supports only single drive */
Stat |= STA_NOINIT;
#ifdef MMIO_DEBUG
printfc("SNES::disk_initialize: stat=%i\n", Stat);
@ -62,21 +57,26 @@ DSTATUS disk_initialize (BYTE drv) {
/*-----------------------------------------------------------------------*/
/* Return Disk Status */
/*
* Return Disk Status
*/
/*-----------------------------------------------------------------------*/
DSTATUS disk_status (BYTE drv){
if (drv) return STA_NOINIT; /* Supports only single drive */
DSTATUS disk_status(BYTE drv)
{
if (drv)
return STA_NOINIT; /* Supports only single drive */
return Stat;
}
/*-----------------------------------------------------------------------*/
/* Read Sector(s) */
/*
* Read Sector(s)
*/
/*-----------------------------------------------------------------------*/
DRESULT disk_read (
BYTE drv, /* Physical drive nmuber (0) */
DRESULT disk_read(BYTE drv, /* Physical drive nmuber (0) */
BYTE * buff, /* Data buffer to store read data */
DWORD sector, /* Sector number (LBA) */
BYTE count /* Sector count (1..255) */
@ -90,11 +90,13 @@ DRESULT disk_read (
#ifdef MMIO_DEBUG
printfc("SNES::disk_read: sector=%li count=%i\n", sector, count);
#endif
if (drv || !count) return RES_PARERR;
if (drv || !count)
return RES_PARERR;
#ifdef MMIO_DEBUG
printfc("SNES::disk_read: drv ok\n");
#endif
if (Stat & STA_NOINIT) return RES_NOTRDY;
if (Stat & STA_NOINIT)
return RES_NOTRDY;
#ifdef MMIO_DEBUG
printfc("SNES::disk_read: sta ok\n");
#endif
@ -134,12 +136,13 @@ DRESULT disk_read (
/*-----------------------------------------------------------------------*/
/* Write Sector(s) */
/*
* Write Sector(s)
*/
/*-----------------------------------------------------------------------*/
#if _READONLY == 0
DRESULT disk_write (
BYTE drv, /* Physical drive nmuber (0) */
DRESULT disk_write(BYTE drv, /* Physical drive nmuber (0) */
const BYTE * buff, /* Data to be written */
DWORD sector, /* Sector number (LBA) */
BYTE count /* Sector count (1..255) */
@ -148,8 +151,10 @@ DRESULT disk_write (
DWORD offset;
INT size;
if (drv || !count) return RES_PARERR;
if (Stat & STA_NOINIT) return RES_NOTRDY;
if (drv || !count)
return RES_PARERR;
if (Stat & STA_NOINIT)
return RES_NOTRDY;
offset = sector * 512;
size = count * 512;
@ -158,12 +163,13 @@ DRESULT disk_write (
#endif /* _READONLY */
/*-----------------------------------------------------------------------*/
/* Miscellaneous Functions */
/*
* Miscellaneous Functions
*/
/*-----------------------------------------------------------------------*/
#if _USE_IOCTL != 0
DRESULT disk_ioctl (
BYTE drv, /* Physical drive nmuber (0) */
DRESULT disk_ioctl(BYTE drv, /* Physical drive nmuber (0) */
BYTE ctrl, /* Control code */
void *buff /* Buffer to send/receive data block */
)
@ -171,12 +177,16 @@ DRESULT disk_ioctl (
BYTE n, w, ofs, dl, dh, *ptr = (BYTE *) buff;
if (drv) return RES_PARERR;
if (Stat & STA_NOINIT) return RES_NOTRDY;
if (drv)
return RES_PARERR;
if (Stat & STA_NOINIT)
return RES_NOTRDY;
switch (ctrl) {
case GET_SECTOR_COUNT: /* Get number of sectors on the disk (DWORD) */
ofs = 60; w = 2; n = 0;
ofs = 60;
w = 2;
n = 0;
break;
case GET_SECTOR_SIZE: /* Get sectors on the disk (WORD) */
@ -193,7 +203,3 @@ DRESULT disk_ioctl (
return RES_OK;
}
#endif /* _USE_IOCTL != 0 */

15
snes/fatfstest/event.c
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@ -5,11 +5,13 @@
event *events;
void initEvents(void) {
void initEvents(void)
{
events = NULL;
}
event *createEvent(char (*callback)(word counter)) {
event *createEvent(char (*callback) (word counter))
{
event *myEvent;
myEvent = (event *) malloc(sizeof(event));
@ -23,7 +25,8 @@ event *createEvent(char (*callback)(word counter)) {
return myEvent;
}
event* addEvent(char (*callback)(word counter), int noDuplicateCallback) {
event *addEvent(char (*callback) (word counter), int noDuplicateCallback)
{
event *lastEvent;
event *myEvent;
@ -52,7 +55,8 @@ event* addEvent(char (*callback)(word counter), int noDuplicateCallback) {
}
void removeEvent(event *eventElement) {
void removeEvent(event * eventElement)
{
byte alone = 0;
event *next, *previous;
@ -82,7 +86,8 @@ void removeEvent(event *eventElement) {
}
}
void processEvents(void) {
void processEvents(void)
{
event *currentEvent;
char returnValue;

1302
snes/fatfstest/ff.c
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File diff suppressed because it is too large Load Diff

21
snes/fatfstest/main.c
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@ -13,18 +13,6 @@
#include "debug.h"
#include "crc.h"
/*
o relocate main code
o exec loaded file
o debug STA global
o optimize internal transfer buffer
o direct writeto mempage
*/
#define ROM_NAME "TURRICAN.SMC"
#define BLOCK_SIZE 512
@ -57,7 +45,9 @@ void initInternalRegisters(void)
characterLocation[2] = 0x0000;
characterLocation[3] = 0x0000;
debug_init();
} void preInit(void)
}
void preInit(void)
{
// For testing purpose ...
@ -252,7 +242,6 @@ void boot(DWORD addr)
printfc("SNES::main: read cnt=%i s2=%i\n", cnt, s2);
break;
}
#if 0
printc_packet(addr, 512, (byte *) (addr));
wait();
@ -287,7 +276,9 @@ void boot(DWORD addr)
void IRQHandler(void)
{
} void NMIHandler(void)
}
void NMIHandler(void)
{
// processEvents();

18
snes/fatfstest/myEvents.c
View File

@ -5,7 +5,8 @@
extern padStatus pad1;
extern word scrollValue;
char fadeOut(word counter) {
char fadeOut(word counter)
{
static byte fadeOutValue;
if (counter == 0) {
@ -24,7 +25,8 @@ char fadeOut(word counter) {
}
}
char fadeIn(word counter) {
char fadeIn(word counter)
{
static byte fadeInValue;
if (counter == 0) {
@ -43,7 +45,8 @@ char fadeIn(word counter) {
}
}
char mosaicOut(word counter) {
char mosaicOut(word counter)
{
static byte mosaicOutValue;
if (counter == 0) {
@ -62,7 +65,8 @@ char mosaicOut(word counter) {
}
}
char mosaicIn(word counter) {
char mosaicIn(word counter)
{
static byte mosaicInValue;
if (counter == 0) {
@ -81,13 +85,15 @@ char mosaicIn(word counter) {
}
}
char NMIReadPad(word counter) {
char NMIReadPad(word counter)
{
pad1 = readPad((byte) 0);
return EVENT_CONTINUE;
}
char scrollLeft(word counter) {
char scrollLeft(word counter)
{
scrollValue++;
*(byte *) 0x210d = (byte) scrollValue;

9
snes/fatfstest/pad.c
View File

@ -2,17 +2,20 @@
#include "pad.h";
#include "debug.h";
void enablePad(void) {
void enablePad(void)
{
// Enable pad reading and NMI
*(byte *) 0x4200 = 0x01;
}
void disablePad(void) {
void disablePad(void)
{
// Enable pad reading and NMI
*(byte *) 0x4200 = 0x00;
}
padStatus readPad(byte padNumber) {
padStatus readPad(byte padNumber)
{
word test;
padStatus *status;
padNumber = padNumber << 1;