276 lines
7.1 KiB
C
276 lines
7.1 KiB
C
#include "ff.h"
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#include <stdlib.h>
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#include <string.h>
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#include <time.h>
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#include "data.h";
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#include "pad.h";
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#include "event.h";
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#include "myEvents.h";
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#include "ressource.h";
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#include "PPU.h"
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#include "debug.h"
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/*
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o debug STA global
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o optimize internal transfer buffer
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o direct write to mempage
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o relocate main code
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o exec loaded file
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*/
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//#pragma section CODE=BANK2,offset $2:0000
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#define ROM_NAME "SUPER02.SMC"
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#define BLOCK_SIZE 512
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padStatus pad1;
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DWORD acc_size; /* Work register for fs command */
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WORD acc_files, acc_dirs;
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FILINFO finfo;
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FATFS fatfs[2]; /* File system object for each logical drive */
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BYTE Buff[512]; /* Working buffer */
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DWORD p1, p2, p3;
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BYTE res;
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WORD w1;
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UINT s1, s2, cnt;
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FATFS *fs;
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DIR dir; /* Directory object */
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FIL file1,file2;
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void initInternalRegisters(void) {
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characterLocation[0] = 0x0000;
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characterLocation[1] = 0x0000;
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characterLocation[2] = 0x0000;
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characterLocation[3] = 0x0000;
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debug_init();
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}
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void preInit(void) {
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// For testing purpose ...
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// Insert code here to be executed before register init
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}
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DWORD get_fattime ()
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{
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time_t rawtime;
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struct tm * ptm;
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//time ( &rawtime );
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ptm = gmtime ( &rawtime );
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return ((DWORD)(ptm->tm_year - 80) << 25)
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| ((DWORD)(ptm->tm_mon +1) << 21)
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| ((DWORD)ptm->tm_mday << 16)
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| ((DWORD)ptm->tm_hour << 11)
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| ((DWORD)ptm->tm_min << 5)
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| ((DWORD)ptm->tm_sec >> 1);
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}
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void halt(void) {
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while(1);
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}
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void put_rc (FRESULT rc){
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const char *p;
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static const char str[] =
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"OK\0" "NOT_READY\0" "NO_FILE\0" "NO_PATH\0" "INVALID_NAME\0" "INVALID_DRIVE\0"
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"DENIED\0" "EXIST\0" "RW_ERROR\0" "WRITE_PROTECTED\0" "NOT_ENABLED\0"
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"NO_FILESYSTEM\0" "INVALID_OBJECT\0" "MKFS_ABORTED\0";
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FRESULT i;
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for (p = str, i = 0; i != rc && *p; i++) {
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while(*p++);
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}
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printfc("rc=%u FR_%s\n", (WORD)rc, p);
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}
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FRESULT scan_files (char* path){
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DIR dirs;
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FRESULT res;
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int i;
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if ((res = f_opendir(&dirs, path)) == FR_OK) {
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i = strlen(path);
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while (((res = f_readdir(&dirs, &finfo)) == FR_OK) && finfo.fname[0]) {
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if (finfo.fattrib & AM_DIR) {
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acc_dirs++;
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*(path+i) = '/'; strcpy(path+i+1, &finfo.fname[0]);
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res = scan_files(path);
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*(path+i) = '\0';
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if (res != FR_OK) break;
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} else {
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acc_files++;
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acc_size += finfo.fsize;
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}
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}
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}
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return res;
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}
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void wait(){
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printfc("SNES::wait: press A to continue\n");
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enablePad();
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//waitForVBlank();
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pad1 = readPad((byte) 0);
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while(!pad1.A) {
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waitForVBlank();
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pad1 = readPad((byte) 0);
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}
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printfc("SNES::wait: done\n");
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//disablePad();
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}
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void main(void) {
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word i,j;
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BYTE res;
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initInternalRegisters();
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*(byte*) 0x2105 = 0x01; // MODE 1 value
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*(byte*) 0x212c = 0x01; // Plane 0 (bit one) enable register
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*(byte*) 0x212d = 0x00; // All subPlane disable
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*(byte*) 0x2100 = 0x0f; // enable background
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debug_enable();
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printfs(0,"FATFS OPTIXX.ORG ");
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//wait();
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printfc("SNES::main: Try to init disk\n");
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put_rc(f_mount(0, &fatfs[0]));
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#if 0
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printfc("SNES::main: Try to get free\n");
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res = f_getfree("", &p2, &fs);
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if (res)
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put_rc(res);
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printfc("SNES::main: printf fs results\n");
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printfs(1,"FAT TYPE = %u\nBYTES/CLUSTER = %lu\nNUMBER OF FATS = %u\n"
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"ROOT DIR ENTRIES = %u\nSECTORS/FAT = %lu\nNUMBER OF CLUSTERS = %lu\n"
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"FAT START = %lu\nDIR START LBA,CLUSTER = %lu\nDATA START LBA = %lu\n",
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(WORD)fs->fs_type, (DWORD)fs->csize * 512, (WORD)fs->n_fats,
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fs->n_rootdir, (DWORD)fs->sects_fat, (DWORD)fs->max_clust - 2,
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fs->fatbase, fs->dirbase, fs->database);
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acc_size = acc_files = acc_dirs = 0;
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printfc("SNES::main: scan files\n");
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res = scan_files("");
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if (res)
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put_rc(res);
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printfs(12,"%u FILES, %lu BYTES\n%u FOLDERS\n"
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"%lu KB TOTAK DISK SPACE\n%lu KB AVAILABLE\n",
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acc_files, acc_size, acc_dirs,
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(fs->max_clust - 2) * (fs->csize / 2), p2 * (fs->csize / 2));
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res = f_opendir(&dir, "");
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if (res)
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put_rc(res);
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p1 = s1 = s2 = 0;
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cnt = 0;
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wait();
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clears();
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printfc("SNES::main: read dir\n");
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for(;;) {
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res = f_readdir(&dir, &finfo);
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if ((res != FR_OK) || !finfo.fname[0]) break;
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if (finfo.fattrib & AM_DIR) {
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s2++;
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} else {
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s1++; p1 += finfo.fsize;
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}
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;
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printfs(cnt,"%c%c%c%c%c %u/%02u/%02u %02u:%02u %9lu\n%s\n",
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(finfo.fattrib & AM_DIR) ? 'D' : '-',
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(finfo.fattrib & AM_RDO) ? 'R' : '-',
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(finfo.fattrib & AM_HID) ? 'H' : '-',
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(finfo.fattrib & AM_SYS) ? 'S' : '-',
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(finfo.fattrib & AM_ARC) ? 'A' : '-',
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(finfo.fdate >> 9) + 1980, (finfo.fdate >> 5) & 15, finfo.fdate & 31,
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(finfo.ftime >> 11), (finfo.ftime >> 5) & 63,
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finfo.fsize, &(finfo.fname[0]));
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cnt+=2;
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/*
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printfs(cnt,"%u/%02u/%02u %02u:%02u %9lu\n%s\n",
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(finfo.fdate >> 9) + 1980, (finfo.fdate >> 5) & 15, finfo.fdate & 31,
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(finfo.ftime >> 11), (finfo.ftime >> 5) & 63,
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finfo.fsize, &(finfo.fname[0]));
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*/
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if (cnt && cnt==20){
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cnt = 0;
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wait();
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clears();
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}
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}
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printfs(20,"%4u FILES\n%10lu BYTES TOTAL\n%4u DIRS", s1, p1, s2);
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if (f_getfree("", &p1, &fs) == FR_OK)
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printfs(23,"%10luK BYTES FREE\n", p1 * fs->csize / 2);
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wait();
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clears();
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#endif
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printfc("SNES::main: open %s \n",ROM_NAME);
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printfs(0,"OPEN %s",ROM_NAME);
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put_rc(f_open(&file1, ROM_NAME, FA_READ));
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p1 = 1024 * 16;
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p2 = 0;
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while (p1) {
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cnt = BLOCK_SIZE;
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p1 -= BLOCK_SIZE;
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res = f_read(&file1, Buff, cnt, &s2);
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printfc("SNES::main: read cnt=%i p1=%i p2=%i s2=%i\n",cnt,p1,p2,s2);
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//printfc("SNES::main: read %x %x %x %x \n",Buff[0],Buff[1],Buff[2],Buff[3]);
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if (res != FR_OK) {
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printfc("SNES::main: read failed\n");
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put_rc(res);
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break;
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}
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p2 += s2;
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if (cnt != s2){
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printfc("SNES::main: read cnt=%i s2=%i\n",cnt,s2);
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break;
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}
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printfs(1,"%lu BYTES READ", p2);
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/*
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for (i=0; i<BLOCK_SIZE; i++){
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*(byte*)(0x020000 + i) = Buff[i];
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}
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*/
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printfs(2,"%i BYTES TANS %x",BLOCK_SIZE, 0x020000 + p2);
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}
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printfs(1,"%lu BYTES READ", p2);
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put_rc(f_close(&file1));
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while(1){
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wait();
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}
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while(1);
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}
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void IRQHandler(void) {
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}
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void NMIHandler(void) {
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//processEvents();
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}
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