Cleanup
This commit is contained in:
83
src/ines.c
83
src/ines.c
@@ -851,7 +851,8 @@ static void rom_load_ines2(void) {
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if (head.CHRRAM_size & 0xF0) iNESCart.CHRRamSaveSize = 64 << ((head.CHRRAM_size >> 4) & 0x0F);
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}
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int iNESLoad(const char *name, FCEUFILE *fp) {
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int iNESLoad(const char *name, FCEUFILE *fp)
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{
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const char *tv_region[] = { "NTSC", "PAL", "Multi-region", "Dendy" };
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struct md5_context md5;
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#ifdef DEBUG
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@@ -869,40 +870,39 @@ int iNESLoad(const char *name, FCEUFILE *fp) {
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filesize -= 16; /* remove header size from total size */
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if (memcmp(&head, "NES\x1a", 4)) {
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if (memcmp(&head, "NES\x1a", 4))
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{
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FCEU_PrintError("Not an iNES file!\n");
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return 0;
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}
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memset(&iNESCart, 0, sizeof(iNESCart));
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if (!memcmp((char*)(&head) + 0x7, "DiskDude", 8)) {
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if (!memcmp((char*)(&head) + 0x7, "DiskDude", 8))
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memset((char*)(&head) + 0x7, 0, 0x9);
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}
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if (!memcmp((char*)(&head) + 0x7, "demiforce", 9)) {
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if (!memcmp((char*)(&head) + 0x7, "demiforce", 9))
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memset((char*)(&head) + 0x7, 0, 0x9);
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}
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if (!memcmp((char*)(&head) + 0xA, "Ni03", 4)) {
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if (!memcmp((char*)(&head) + 0xA, "Ni03", 4))
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{
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if (!memcmp((char*)(&head) + 0x7, "Dis", 3))
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memset((char*)(&head) + 0x7, 0, 0x9);
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else
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memset((char*)(&head) + 0xA, 0, 0x6);
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}
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iNESCart.iNES2 = get_ines_version();
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if (!iNESCart.iNES2)
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rom_load_ines();
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else
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if ((iNESCart.iNES2 = get_ines_version()))
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rom_load_ines2();
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else
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rom_load_ines();
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if (!ROM_size)
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ROM_size = 256;
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/* Trainer */
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if (head.ROM_type & 4) {
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if (head.ROM_type & 4)
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{
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trainerpoo = (uint8*)FCEU_gmalloc(512);
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FCEU_fread(trainerpoo, 512, 1, fp);
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filesize -= 512;
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@@ -910,9 +910,11 @@ int iNESLoad(const char *name, FCEUFILE *fp) {
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romSize = (ROM_size * 0x4000) + (VROM_size * 0x2000);
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if (romSize > filesize) {
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if (romSize > filesize)
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{
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FCEU_PrintError(" File length is too short to contain all data reported from header by %llu\n", romSize - filesize);
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} else if (romSize < filesize)
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}
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else if (romSize < filesize)
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FCEU_PrintError(" File contains %llu bytes of unused data\n", filesize - romSize);
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rom_size_pow2 = uppow2(ROM_size) * 0x4000;
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@@ -923,10 +925,12 @@ int iNESLoad(const char *name, FCEUFILE *fp) {
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memset(ROM, 0xFF, rom_size_pow2);
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FCEU_fread(ROM, 0x4000, ROM_size, fp);
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if (VROM_size) {
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if (VROM_size)
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{
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vrom_size_pow2 = uppow2(VROM_size) * 0x2000;
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if ((VROM = (uint8*)FCEU_malloc(vrom_size_pow2)) == NULL) {
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if ((VROM = (uint8*)FCEU_malloc(vrom_size_pow2)) == NULL)
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{
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free(ROM);
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ROM = NULL;
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return 0;
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@@ -954,8 +958,10 @@ int iNESLoad(const char *name, FCEUFILE *fp) {
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#ifdef DEBUG
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mappername = "Not Listed";
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for (mappertest = 0; mappertest < (sizeof bmap / sizeof bmap[0]) - 1; mappertest++) {
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if (bmap[mappertest].number == iNESCart.mapper) {
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for (mappertest = 0; mappertest < (sizeof bmap / sizeof bmap[0]) - 1; mappertest++)
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{
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if (bmap[mappertest].number == iNESCart.mapper)
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{
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mappername = (char*)bmap[mappertest].name;
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break;
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}
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@@ -990,24 +996,29 @@ int iNESLoad(const char *name, FCEUFILE *fp) {
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FCEU_printf(" Battery: %s\n", (head.ROM_type & 2) ? "Yes" : "No");
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FCEU_printf(" System: %s\n", tv_region[iNESCart.region]);
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FCEU_printf(" Trained: %s\n", (head.ROM_type & 4) ? "Yes" : "No");
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#endif
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if (iNESCart.iNES2) {
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if (iNESCart.iNES2)
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{
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unsigned PRGRAM = iNESCart.PRGRamSize + iNESCart.PRGRamSaveSize;
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unsigned CHRRAM = iNESCart.CHRRamSize + iNESCart.CHRRamSaveSize;
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FCEU_printf(" NES 2.0 extended iNES.\n");
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FCEU_printf(" Sub Mapper #: %3d\n", iNESCart.submapper);
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if (PRGRAM || CHRRAM) {
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if (head.ROM_type & 0x02) {
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if (PRGRAM || CHRRAM)
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{
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if (head.ROM_type & 0x02)
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{
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FCEU_printf(" PRG RAM: %d KB (%d KB battery-backed)\n", PRGRAM / 1024, iNESCart.PRGRamSaveSize / 1024);
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FCEU_printf(" CHR RAM: %d KB (%d KB battery-backed)\n", CHRRAM / 1024, iNESCart.CHRRamSaveSize / 1024);
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} else {
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}
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else
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{
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FCEU_printf(" PRG RAM: %d KB\n", PRGRAM / 1024);
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FCEU_printf(" CHR RAM: %d KB\n", CHRRAM / 1024);
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}
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}
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}
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#endif
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ResetCartMapping();
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ResetExState(0, 0);
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@@ -1028,11 +1039,14 @@ int iNESLoad(const char *name, FCEUFILE *fp) {
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FCEU_VSUniCheck(partialmd5, &mapper, &mirroring);
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if ((mapper != iNESCart.mapper) || (mirroring != iNESCart.mirror)) {
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if ((mapper != iNESCart.mapper) || (mirroring != iNESCart.mirror))
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{
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FCEU_PrintError("\n");
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FCEU_PrintError(" Incorrect VS-Unisystem header information!\n");
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if (mapper != iNESCart.mapper) FCEU_PrintError(" Mapper: %d\n", mapper);
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if (mirroring != iNESCart.mirror) FCEU_PrintError(" Mirroring: %s\n",
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if (mapper != iNESCart.mapper)
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FCEU_PrintError(" Mapper: %d\n", mapper);
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if (mirroring != iNESCart.mirror)
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FCEU_PrintError(" Mirroring: %s\n",
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(mirroring == 2) ? "None (Four-screen)" : mirroring ? "Vertical" : "Horizontal");
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iNESCart.mapper = mapper;
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iNESCart.mirror = mirroring;
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@@ -1045,19 +1059,23 @@ int iNESLoad(const char *name, FCEUFILE *fp) {
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if (VROM_size)
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SetupCartCHRMapping(0, VROM, vrom_size_pow2, 0);
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if (iNESCart.mirror == 2) {
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if (iNESCart.mirror == 2)
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{
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ExtraNTARAM = (uint8*)FCEU_gmalloc(2048);
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SetupCartMirroring(4, 1, ExtraNTARAM);
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} else if (iNESCart.mirror >= 0x10)
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}
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else if (iNESCart.mirror >= 0x10)
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SetupCartMirroring(2 + (iNESCart.mirror & 1), 1, 0);
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else
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SetupCartMirroring(iNESCart.mirror & 1, (iNESCart.mirror & 4) >> 2, 0);
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iNESCart.battery = (head.ROM_type & 2) ? 1 : 0;
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if (!iNES_Init(iNESCart.mapper)) {
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if (!iNES_Init(iNESCart.mapper))
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{
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FCEU_printf("\n");
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FCEU_PrintError(" iNES mapper #%d is not supported at all.\n", iNESCart.mapper);
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FCEU_PrintError(" iNES mapper #%d is not supported at all.\n",
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iNESCart.mapper);
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return 0;
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}
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@@ -1067,7 +1085,8 @@ int iNESLoad(const char *name, FCEUFILE *fp) {
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* 1: RP2C07 ("Licensed PAL NES")
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* 2: Multiple-region
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* 3: UMC 6527P ("Dendy") */
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if (iNESCart.region == 3) dendy = 1;
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if (iNESCart.region == 3)
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dendy = 1;
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FCEUI_SetVidSystem((iNESCart.region == 1) ? 1 : 0);
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return 1;
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