#include "ff.h" #include #include #include #include "data.h"; #include "pad.h"; #include "event.h"; #include "myEvents.h"; #include "ressource.h"; #include "PPU.h" #include "debug.h" #include "crc.h" #define ROM_NAME "TURRICAN.SMC" #define BLOCK_SIZE 512 #define BANK_SIZE 32768L #define BANK_COUNT 16 #define BASE_ADDR 0x008000 typedef void (*FUNC) (void); padStatus pad1; FILINFO finfo; FATFS fatfs[1]; /* File system object for each logical * drive */ FATFS *fs; DIR dir; /* Directory object */ FIL file1; char buffer[512]; char *ptr; DWORD acc_size; /* Work register for fs command */ WORD acc_files, acc_dirs; DWORD p1, p2; UINT s1, s2, cnt,crc,bank; DWORD addr,crc_addr; BYTE res; byte irq_triggered = 0; byte nmi_triggered = 0; char rom_name[]= ROM_NAME; void handle_irq(void){ char message[]="irq\n"; char* ptr; ptr = message; while (*ptr) *(byte *) 0x3000 = *ptr++; irq_triggered = 0; } void handle_nmi(void){ char message[]="nmi\n"; char* ptr; ptr = message; while (*ptr) *(byte *) 0x3000 = *ptr++; irq_triggered = 0; } void IRQHandler(void) { irq_triggered = 1; } void NMIHandler(void) { nmi_triggered = 1; } void initInternalRegisters(void) { characterLocation[0] = 0x0000; characterLocation[1] = 0x0000; characterLocation[2] = 0x0000; characterLocation[3] = 0x0000; debug_init(); } void preInit(void) { // For testing purpose ... // Insert code here to be executed before register init } DWORD get_fattime() { time_t rawtime; struct tm *ptm; // time ( &rawtime ); ptm = gmtime(&rawtime); return ((DWORD) (ptm->tm_year - 80) << 25) | ((DWORD) (ptm->tm_mon + 1) << 21) | ((DWORD) ptm->tm_mday << 16) | ((DWORD) ptm->tm_hour << 11) | ((DWORD) ptm->tm_min << 5) | ((DWORD) ptm->tm_sec >> 1); } void halt(void) { while (1); } void put_rc(FRESULT rc) { const char *p; static const char str[] = "OK\0" "NOT_READY\0" "NO_FILE\0" "NO_PATH\0" "INVALID_NAME\0" "INVALID_DRIVE\0" "DENIED\0" "EXIST\0" "RW_ERROR\0" "WRITE_PROTECTED\0" "NOT_ENABLED\0" "NO_FILESYSTEM\0" "INVALID_OBJECT\0" "MKFS_ABORTED\0"; FRESULT i; for (p = str, i = 0; i != rc && *p; i++) { while (*p++); } printfc("rc=%i FR_%s\n", (WORD) rc, p); } FRESULT scan_files(char *path) { DIR dirs; FRESULT res; int i; if ((res = f_opendir(&dirs, path)) == FR_OK) { i = strlen(path); while (((res = f_readdir(&dirs, &finfo)) == FR_OK) && finfo.fname[0]) { if (finfo.fattrib & AM_DIR) { acc_dirs++; *(path + i) = '/'; strcpy(path + i + 1, &finfo.fname[0]); res = scan_files(path); *(path + i) = '\0'; if (res != FR_OK) break; } else { acc_files++; acc_size += finfo.fsize; } } } return res; } void wait(void) { printfc("SNES::wait: press A to continue\n"); enablePad(); pad1 = readPad((byte) 0); while (!pad1.A) { waitForVBlank(); pad1 = readPad((byte) 0); } printfc("SNES::wait: done\n"); } void boot(DWORD addr) { FUNC fn; printfc("SNES::boot addr=%lx\n", addr); fn = (FUNC)addr; fn(); } void main(void) { word i, j; BYTE res; initInternalRegisters(); *(byte *) 0x2105 = 0x01; // MODE 1 value *(byte *) 0x212c = 0x01; // Plane 0 (bit one) enable register *(byte *) 0x212d = 0x00; // All subPlane disable *(byte *) 0x2100 = 0x0f; // enable background debug_enable(); printfc("SNES::main: init\n"); #if 0 i = 0; printfc("SNES::main: wait for irq\n"); while(1){ if (irq_triggered) handle_irq(); if (nmi_triggered) handle_nmi(); /* if (i++==30){ printfc("SNES::main: poll\n"); i=0; } waitForVBlank(); */ } #endif printfc("SNES::main: Try to init disk\n"); put_rc(f_mount((BYTE) 0, &fatfs[0])); #if 1 printfs(0, "FATFS OPTIXX.ORG "); printfc("SNES::main: Try to get free\n"); res = f_getfree("", &p2, &fs); if (res) put_rc(res); printfc("SNES::main: printf fs results\n"); printfs(1, "FAT TYPE = %u\nBYTES/CLUSTER = %lu\nNUMBER OF FATS = %u\n" "ROOT DIR ENTRIES = %u\nSECTORS/FAT = %lu\nNUMBER OF CLUSTERS = %lu\n" "FAT START = %lu\nDIR START LBA,CLUSTER = %lu\nDATA START LBA = %lu\n", (WORD) fs->fs_type, (DWORD) fs->csize * 512, (WORD) fs->n_fats, fs->n_rootdir, (DWORD) fs->sects_fat, (DWORD) fs->max_clust - 2, fs->fatbase, fs->dirbase, fs->database); acc_size = acc_files = acc_dirs = 0; printfc("SNES::main: scan files\n"); res = scan_files(""); if (res) put_rc(res); printfs(12, "%u FILES, %lu BYTES\n%u FOLDERS\n" "%lu KB TOTAK DISK SPACE\n%lu KB AVAILABLE\n", acc_files, acc_size, acc_dirs, (fs->max_clust - 2) * (fs->csize / 2), p2 * (fs->csize / 2)); res = f_opendir(&dir, ""); if (res) put_rc(res); p1 = s1 = s2 = 0; cnt = 0; wait(); clears(); #endif #if 0 printfc("SNES::main: read dir\n"); for (;;) { res = f_readdir(&dir, &finfo);make if ((res != FR_OK) || !finfo.fname[0]) break; if (finfo.fattrib & AM_DIR) { s2++; } else { s1++; p1 += finfo.fsize; } ; printfs(cnt, "%c%c%c%c%c %u/%02u/%02u %02u:%02u %9lu\n%s\n", (finfo.fattrib & AM_DIR) ? 'D' : '-', (finfo.fattrib & AM_RDO) ? 'R' : '-', (finfo.fattrib & AM_HID) ? 'H' : '-', (finfo.fattrib & AM_SYS) ? 'S' : '-', (finfo.fattrib & AM_ARC) ? 'A' : '-', (finfo.fdate >> 9) + 1980, (finfo.fdate >> 5) & 15, finfo.fdate & 31, (finfo.ftime >> 11), (finfo.ftime >> 5) & 63, finfo.fsize, &(finfo.fname[0])); cnt += 2; /* * printfs(cnt,"%u/%02u/%02u %02u:%02u %9lu\n%s\n", (finfo.fdate >> 9) + 1980, (finfo.fdate >> 5) & 15, finfo.fdate & 31, * (finfo.ftime >> 11), (finfo.ftime >> 5) & 63, finfo.fsize, &(finfo.fname[0])); */ if (cnt && cnt == 20) { cnt = 0; wait(); clears(); } } printfs(20, "%4u FILES\n%10lu BYTES TOTAL\n%4u DIRS", s1, p1, s2); if (f_getfree("", &p1, &fs) == FR_OK) printfs(23, "%10luK BYTES FREE\n", p1 * fs->csize / 2); wait(); clears(); #endif p1 = BANK_SIZE * BANK_COUNT; p2 = 0; cnt = 0; bank = 0; addr = BASE_ADDR; crc_addr = BASE_ADDR; printfc("SNES::main: open %s \n", rom_name); printfs(0, "OPEN %s", rom_name); put_rc(f_open(&file1, rom_name, (BYTE) FA_READ)); while (p1) { cnt = BLOCK_SIZE; p1 -= BLOCK_SIZE; res = f_read(&file1, buffer, cnt, &s2); if (res != FR_OK) { printfc("SNES::main: read failed\n"); put_rc(res); break; } p2 += s2; if (cnt != s2) { printfc("SNES::main: read cnt=%i s2=%i\n", cnt, s2); break; } for (i=0;i