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added crc checks

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This commit is contained in:
David Voswinkel 2009-06-07 17:26:09 +02:00
parent 0b9ed151fa
commit 4a61063406
11 changed files with 138 additions and 34 deletions
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8
snes/fatfstest/Makefile
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@ -28,7 +28,7 @@ LIBS=-L$(SDK)/lib/cl
#-L$(SDK)/lib/c134
OBJS=hook.obj StartupSnes.obj main.obj pad.obj PPU.obj debug.obj ressource.obj diskio.obj ff.obj
OBJS=hook.obj StartupSnes.obj main.obj pad.obj PPU.obj debug.obj ressource.obj diskio.obj ff.obj crc.obj
APP=fatfs.smc
GFX=debugfont
@ -66,11 +66,11 @@ hook.obj: hook.asm
$(APP): $(OBJS)
$(LD) -HB -M21 -V -T -Pff \
-C3e8000,000000 -U000000,000000 \
-C3e8000,1f0000 -U000000,000000 \
-Avectors=FFE4,7FE4 \
-Aregistration_data=FFB0,7FB0 \
-Aressource=3f8000,8000 \
-Ahook=0108000,0000 \
-Aressource=18000,8000 \
-Ahook=8000,0000 \
-N $(OBJS) $(LIBS) -O $@
ucon64 -snes -chk $(APP) 2>&1 >/dev/null

2
snes/fatfstest/config.h
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@ -15,7 +15,7 @@
#define SHARED_SIZE 512
#define SHARED_ADDR 0x3f0000
#define SHARED_ADDR 0x3d0000
#undef MMIO_DEBUG

37
snes/fatfstest/crc.c Normal file
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@ -0,0 +1,37 @@
#include "data.h"
word crc_update (char far *data, word size)
{
word i;
word j;
word crc=0;
for (j=0; j<size; j++){
crc = crc ^ ((word)data[j]<< 8);
for (i=0; i<8; i++){
if (crc & 0x8000)
crc = (crc << 1) ^ 0x1021;
else
crc <<= 1;
}
}
return crc;
}
word crc_update_mem (unsigned long addr, word size)
{
word i;
word j;
word crc=0;
for (j=0; j<size; j++){
crc = crc ^ ((word) *(byte*)(addr+j)<< 8);
for (i=0; i<8; i++){
if (crc & 0x8000)
crc = (crc << 1) ^ 0x1021;
else
crc <<= 1;
}
}
return crc;
}

4
snes/fatfstest/crc.h Normal file
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@ -0,0 +1,4 @@
word crc_update (byte *data, word size);
word crc_update_mem (unsigned long, word size);

48
snes/fatfstest/debug.c
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@ -10,14 +10,10 @@
word debug_colors[] = {
0xff7f, 0x1f00, 0x1802, 0x9772, 0xb55a, 0xbf5a, 0x1f5b, 0x7b73,
0x987f, 0x7f5f, 0xff03, 0xfc7f, 0xff7f, 0xff7f, 0xff7f, 0xff7f
};
word debugMap[0x400];
static char debug_buffer[255];
static char screen_buffer[255];
static char debug_buffer[512];
static char screen_buffer[512];
/*
word debug_colors[] = {
@ -37,7 +33,6 @@ void debug_init(void) {
void debug_enable(void){
VRAMLoad((word) debugFont_pic, 0x5000, 2048);
//CGRAMLoad((word) debug_colors, (byte) 0x00, (word) 16);
VRAMLoad((word) debugMap, 0x4000, 0x0800);
setTileMapLocation(0x4000, (byte) 0x00, (byte) 0);
setCharacterLocation(0x5000, (byte) 0);
@ -101,12 +96,17 @@ void _print_console(const char *buffer){
*(byte*) 0x3000=*buffer++;
}
void printfc(char *fmt,...){
va_list ap;
va_start(ap,fmt);
vsprintf(debug_buffer,fmt,ap);
va_end(ap);
_print_console(debug_buffer);
//memset(debug_buffer,0,255);
}
void printfs(word y,char *fmt,...){
@ -115,8 +115,42 @@ void printfs(word y,char *fmt,...){
vsprintf(screen_buffer,fmt,ap);
va_end(ap);
_print_screen(y,screen_buffer);
memset(screen_buffer,0,255);
}
void printc_packet(unsigned long addr,unsigned int len,byte *packet){
unsigned int i,j;
unsigned int sum = 0;
unsigned int clear=0;
for (i=0;i<len;i+=16) {
sum = 0;
for (j=0;j<16;j++) {
sum +=packet[i+j];
}
if (!sum){
clear=1;
continue;
}
if (clear){
printfc("*\n");
clear = 0;
}
printfc("%lx:", addr + i);
for (j=0;j<16;j++) {
printfc(" %x", packet[i+j]);
}
printfc(" |");
for (j=0;j<16;j++) {
if (packet[i+j]>=33 && packet[i+j]<=126 )
printfc("%c", packet[i+j]);
else
printfc(".");
}
printfc("|\n");
}
}
/* keep the linker happy */
int open(const char * _name, int _mode){

1
snes/fatfstest/debug.h
View File

@ -5,4 +5,5 @@ void debug_enable(void);
void printfs(word y,char* fmt,...);
void printfc(char* fmt,...);
void clears(void);
void printc_packet(unsigned long addr,unsigned int len,byte *packet);

4
snes/fatfstest/diskio.c
View File

@ -87,9 +87,9 @@ DRESULT disk_read (
byte retval;
word i;
#ifdef MMIO_DEBUG
//#ifdef MMIO_DEBUG
printfc("SNES::disk_read called sector=%li count=%i\n",sector,count);
#endif
//#endif
if (drv || !count) return RES_PARERR;
#ifdef MMIO_DEBUG
printfc("SNES::disk_read drv ok\n");

2
snes/fatfstest/hook.asm
View File

@ -3,3 +3,5 @@ HOOK SECTION
HOOK:
jsr >START
brk

62
snes/fatfstest/main.c
View File

@ -11,7 +11,7 @@
#include "ressource.h";
#include "PPU.h"
#include "debug.h"
#include "crc.h"
/*
@ -23,8 +23,11 @@ o exec loaded file
*/
//#pragma section CODE=BANK2,offset $2:0000
#define ROM_NAME "SUPER02.SMC"
#define ROM_NAME "MRDO.SMC"
//#define ROM_NAME "TEST.TXT"
#define BLOCK_SIZE 512
#define BASE_ADDR 0x008000
padStatus pad1;
@ -37,7 +40,11 @@ FATFS fatfs[2]; /* File system object for each logical drive */
BYTE Buff[512]; /* Working buffer */
DWORD p1, p2, p3;
BYTE res;
DWORD addr;
DWORD crc_addr;
UINT crc;
BYTE res,bank;
WORD w1;
UINT s1, s2, cnt;
@ -132,7 +139,11 @@ void wait(void){
//disablePad();
}
void boot(void){
#asm
jsl $008000
#endasm
}
void main(void) {
word i,j;
@ -152,7 +163,7 @@ void main(void) {
put_rc(f_mount(0, &fatfs[0]));
#if 1
#if 0
printfc("SNES::main: Try to get free\n");
res = f_getfree("", &p2, &fs);
if (res)
@ -232,14 +243,19 @@ void main(void) {
put_rc(f_open(&file1, ROM_NAME, FA_READ));
p1 = 1024 * 16;
p2 = 0;
p1 = 32768L * 8;
p2 = 0 ;
p3 = 0;
cnt = 0;
bank =0;
addr = BASE_ADDR;
crc_addr = BASE_ADDR;
while (p1) {
cnt = BLOCK_SIZE;
p1 -= BLOCK_SIZE;
res = f_read(&file1, Buff, cnt, &s2);
printfc("SNES::main: read cnt=%i p1=%i p2=%i s2=%i\n",cnt,p1,p2,s2);
//printfc("SNES::main: read %x %x %x %x \n",Buff[0],Buff[1],Buff[2],Buff[3]);
res = f_read(&file1, (byte*)(addr) , cnt, &s2);
printfc("SNES::main: read cnt=%i p1=%li p2=%li s2=%i\n",cnt,p1,p2,s2);
//printfc("SNES::main: file %x %x %x %x\n",Buff[0],Buff[1],Buff[2],Buff[3]);
if (res != FR_OK) {
printfc("SNES::main: read failed\n");
put_rc(res);
@ -250,17 +266,31 @@ void main(void) {
printfc("SNES::main: read cnt=%i s2=%i\n",cnt,s2);
break;
}
printfs(1,"%lu BYTES READ", p2);
printfs(1 + bank,"BANK %X ADDR %LX",bank,addr);
/*
for (i=0; i<BLOCK_SIZE; i++){
*(byte*)(0x020000 + i) = Buff[i];
*(byte*)(addr + i) = Buff[i];
}
*/
printfc("SNES::main: mem %x %x %x %x %lx\n",*(byte*)(addr + 0) ,*(byte*)(addr + 1) ,*(byte*)(addr + 2) ,*(byte*)(addr + 3) ,addr);
//if (addr=0x10fe00){
printc_packet(addr,512,(byte*)(addr));
//}
printfs(2,"%i BYTES TANS %x",BLOCK_SIZE, 0x020000 + p2);
addr+=s2;
if (addr%0x10000==0){
//crc = crc_update_mem(crc_addr,0x8000);
//printfc("addr=%lx crc=%x\n",crc_addr,crc);
//printfs(1 + bank,"BANK %X ADDR %LX CRC %X",bank,addr,crc);
addr+=0x8000;
//crc_addr+=0x8000;
bank++;
}
}
printfs(1,"%lu BYTES READ", p2);
put_rc(f_close(&file1));
boot();
while(1){
wait();
}

3
snes/fatfstest/ressource.asm
View File

@ -16,8 +16,5 @@ ressource .section
~~debugFont_pic
INSERT ressource/debugFont.pic
XDEF ~~debugFont_pal
~~debugFont_pal
INSERT ressource/debugFont.clr
.ends

1
snes/fatfstest/ressource.h
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@ -1,3 +1,2 @@
extern word debugFont_pic[];
extern word debugFont_pal[];