nes, add mapper 555
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dinkc64
parent
15cf1afb43
commit
a90f64e4e7
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@ -209,6 +209,29 @@ static struct BurnDIPInfo NESDIPList[] =
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STDDIPINFO(NES)
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static struct BurnDIPInfo NCC1991DIPList[] =
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{
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{0 , 0xfe, 0 , 16, "Timer" },
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{0x02, 0x01, 0xf0, 0x00, "5:00" },
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{0x02, 0x01, 0xf0, 0x10, "5:19" },
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{0x02, 0x01, 0xf0, 0x20, "5:38" },
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{0x02, 0x01, 0xf0, 0x30, "5:56" },
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{0x02, 0x01, 0xf0, 0x40, "6:15 (Official)"},
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{0x02, 0x01, 0xf0, 0x50, "6:34" },
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{0x02, 0x01, 0xf0, 0x60, "6:53" },
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{0x02, 0x01, 0xf0, 0x70, "7:11" },
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{0x02, 0x01, 0xf0, 0x80, "7:30" },
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{0x02, 0x01, 0xf0, 0x90, "7:49" },
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{0x02, 0x01, 0xf0, 0xa0, "8:08" },
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{0x02, 0x01, 0xf0, 0xb0, "8:27" },
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{0x02, 0x01, 0xf0, 0xc0, "8:45" },
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{0x02, 0x01, 0xf0, 0xd0, "9:04" },
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{0x02, 0x01, 0xf0, 0xe0, "9:23" },
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{0x02, 0x01, 0xf0, 0xf0, "9:42" },
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};
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STDDIPINFOEXT(NESNCC1991, NCC1991, NES)
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static struct BurnDIPInfo NESZapperDIPList[] =
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{
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DIP_OFFSET(0x0d)
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@ -50594,3 +50617,20 @@ struct BurnDriver BurnDrvnes_zunousengal = {
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SCREEN_WIDTH, SCREEN_HEIGHT, SCREEN_WIDTH, SCREEN_HEIGHT
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};
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static struct BurnRomInfo nes_nccRomDesc[] = {
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{ "Nintendo Campus Challenge (1991)(Nintendo).nes", 786448, 0x15c73c66, BRF_ESS | BRF_PRG },
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};
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STD_ROM_PICK(nes_ncc)
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STD_ROM_FN(nes_ncc)
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struct BurnDriver BurnDrvnes_ncc = {
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"nes_ncc", NULL, NULL, NULL, "1991",
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"Nintendo Campus Challenge 1991\0", NULL, "Nintendo", "Miscellaneous",
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NULL, NULL, NULL, NULL,
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BDF_GAME_WORKING, 2, HARDWARE_NES, GBF_MISC, 0,
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NESGetZipName, nes_nccRomInfo, nes_nccRomName, NULL, NULL, NULL, NULL, NESInputInfo, NESNCC1991DIPInfo,
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NESInit, NESExit, NESFrame, NESDraw, NESScan, &NESRecalc, 0x40,
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SCREEN_WIDTH, SCREEN_HEIGHT, SCREEN_WIDTH, SCREEN_HEIGHT
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};
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@ -472,7 +472,15 @@ static INT32 cartridge_load(UINT8* ROMData, UINT32 ROMSize, UINT32 ROMCRC)
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}
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Cart.PRGRomMask = Cart.PRGRomSize - 1;
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Cart.WorkRAMMask = Cart.WorkRAMSize - 1;
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if (Cart.WorkRAMSize > 0x2000) {
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// we need to mask addr 6000-7fff, any thing larger than 0x2000
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// will need the default mask of 0x1fff for this to work properly.
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// note: the extra ram still can be used by mappers, etc.
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// note2: VS. System uses 0x800 bytes wram, mirrored across 6000-7fff
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Cart.WorkRAMMask = 0x1fff;
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}
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// Game-specific stuff:
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// Mapper 7 or 4-way mirroring usually gets no workram (6000-7fff)
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@ -1051,6 +1059,11 @@ static void mapper_map_chr(INT32 pagesz, INT32 slot, INT32 bank)
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#define MAP_CHR_RAMROM_DEBUG 0
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#if MAP_CHR_RAMROM_DEBUG
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static INT32 debug_chr_slots[8] = { -1, };
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static INT32 debug_chr_types[8] = { -1, };
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#endif
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static void mapper_map_chr_ramrom(INT32 pagesz, INT32 slot, INT32 bank, INT32 type)
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{
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if (type > MEM_ROM) {
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@ -1058,7 +1071,13 @@ static void mapper_map_chr_ramrom(INT32 pagesz, INT32 slot, INT32 bank, INT32 ty
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}
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#if MAP_CHR_RAMROM_DEBUG
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bprintf(0, _T("mapper_map_chr_ramrom(%x, %x, %x, %x)\n"), pagesz, slot, bank, type);
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INT32 debug_spew = (debug_chr_slots[slot & 0x7] != bank) ||
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(debug_chr_types[slot & 0x7] != type);
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if (debug_spew) {
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debug_chr_slots[slot & 0x07] = bank;
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debug_chr_types[slot & 0x07] = type;
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bprintf(0, _T("mapper_map_chr_ramrom(%x, %x, %x, %S) - scanline %d\n"), pagesz, slot, bank, (type == MEM_ROM) ? "ROM" : "RAM", scanline);
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}
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#endif
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for (UINT32 i = 0; i < pagesz; i++) {
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@ -1067,7 +1086,8 @@ static void mapper_map_chr_ramrom(INT32 pagesz, INT32 slot, INT32 bank, INT32 ty
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CHRMap[pagesz * slot + i] = (pagesz * 1024 * bank + 1024 * i) % Cart.CHRRomSize;
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CHRType[pagesz * slot + i] = MEM_ROM;
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#if MAP_CHR_RAMROM_DEBUG
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bprintf(0, _T("ROM: CHRMap[%x] = %x\n"),pagesz * slot + i, (pagesz * 1024 * bank + 1024 * i) % Cart.CHRRomSize);
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if (debug_spew)
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bprintf(0, _T("ROM: CHRMap[%x] = %x\n"),pagesz * slot + i, (pagesz * 1024 * bank + 1024 * i) % Cart.CHRRomSize);
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#endif
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break;
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@ -1076,7 +1096,8 @@ static void mapper_map_chr_ramrom(INT32 pagesz, INT32 slot, INT32 bank, INT32 ty
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CHRMap[pagesz * slot + i] = (pagesz * 1024 * bank + 1024 * i) % Cart.CHRRamSize;
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CHRType[pagesz * slot + i] = type;
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#if MAP_CHR_RAMROM_DEBUG
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bprintf(0, _T("RAM: CHRMap[%x] = %x\n"),pagesz * slot + i, (pagesz * 1024 * bank + 1024 * i) % Cart.CHRRamSize);
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if (debug_spew)
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bprintf(0, _T("RAM: CHRMap[%x] = %x\n"),pagesz * slot + i, (pagesz * 1024 * bank + 1024 * i) % Cart.CHRRamSize);
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#endif
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break;
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}
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@ -2553,7 +2574,7 @@ static void mapper04_write(UINT16 address, UINT8 data)
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case 0x8000: mapper4_banksel = data; break;
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case 0x8001: mapper_regs[(mapper4_banksel & 0x7)] = data; break;
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case 0xA000: mapper4_mirror = ~data & 1; break;
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case 0xA001: mapper4_writeprotect = ~data & 1; break;
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case 0xA001: mapper4_writeprotect = data; break;
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case 0xC000: mapper4_irqlatch = data; break;
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case 0xC001: mapper4_irqreload = 1; break;
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case 0xE000: mapper4_irqenable = 0; M6502SetIRQLine(0, CPU_IRQSTATUS_NONE); break;
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@ -2597,6 +2618,112 @@ static void mapper04_map()
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set_mirroring(mapper4_mirror ? VERTICAL : HORIZONTAL);
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}
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// mapper 555: Nintendo Campus Challenge 1991
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// note: extension to mmc3
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static INT32 *mapper555_timer = (INT32*)&mapper_regs16[0];
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#define mapper555_reg (mapper_regs[0x1f - 7])
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#define mapper555_prgbase (mapper_regs[0x1f - 8])
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#define mapper555_prgmask (mapper_regs[0x1f - 9])
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#define mapper555_chrbase (mapper_regs[0x1f - 10])
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#define mapper555_chrmode (mapper_regs[0x1f - 11])
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static void mapper555_map_prg(INT32 pagesz, INT32 slot, INT32 bank)
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{
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mapper_map_prg(8, slot, mapper555_prgbase | (bank & mapper555_prgmask));
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}
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static void mapper555_map_chr(INT32 pagesz, INT32 slot, INT32 bank)
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{
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const UINT8 masks[] = { 0x7f, 0x3f, 0x07, 0x07 };
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const UINT8 mask = masks[(mapper555_chrmode) ? (((bank & 0x40) >> 5) + mapper555_chrmode) : 0];
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mapper_map_chr_ramrom(1, slot, mapper555_chrbase + (bank & mask), (mask == 0x07) ? MEM_RAM : MEM_ROM);
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}
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static void mapper555_map()
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{
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mapper555_map_prg(8, 1, mapper_regs[7]);
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const INT32 prg_rev = (mapper4_banksel & 0x40) ? 2 : 0;
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mapper555_map_prg(8, 0 ^ prg_rev, mapper_regs[6]);
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mapper555_map_prg(8, 2 ^ prg_rev, -2);
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mapper555_map_prg( 8, 3, -1);
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const INT32 chr_rev = (mapper4_banksel & 0x80) ? 4 : 0;
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mapper555_map_chr(1, 0 ^ chr_rev, mapper_regs[0] & ~1);
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mapper555_map_chr(1, 1 ^ chr_rev, mapper_regs[0] | 1);
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mapper555_map_chr(1, 2 ^ chr_rev, mapper_regs[1] & ~1);
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mapper555_map_chr(1, 3 ^ chr_rev, mapper_regs[1] | 1);
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mapper555_map_chr(1, 4 ^ chr_rev, mapper_regs[2]);
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mapper555_map_chr(1, 5 ^ chr_rev, mapper_regs[3]);
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mapper555_map_chr(1, 6 ^ chr_rev, mapper_regs[4]);
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mapper555_map_chr(1, 7 ^ chr_rev, mapper_regs[5]);
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if (Cart.Mirroring != 4) { // MMC3: 4 (FOUR_SCREEN) keeps it locked!
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set_mirroring(mapper4_mirror ? VERTICAL : HORIZONTAL);
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}
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}
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// callbacks for read/writing WRAM
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static void mapper555_prgwrite(UINT16 address, UINT8 data)
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{
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cart_exp_write_abort = (mapper4_writeprotect & 0xc0) != 0x80;
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}
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static UINT8 mapper555_prgread(UINT16 address)
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{
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return (mapper4_writeprotect & 0x80) ? Cart.WorkRAM[address & Cart.WorkRAMMask] : cpu_open_bus;
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}
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static UINT8 mapper555_read(UINT16 address)
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{
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if (address < 0x5000) {
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return cpu_open_bus;
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}
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if (address >= 0x5000 && address <= 0x57ff) {
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return Cart.WorkRAM[0x2000 | (address & 0x7ff)];
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} else {
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return (mapper555_timer[0] > ((0x10 | (NESDips[2] >> 4)) << 25)) ? 0x80 : 0x00;
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}
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return cpu_open_bus;
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}
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static void mapper555_write(UINT16 address, UINT8 data)
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{
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if (address < 0x5000) return;
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if (address >= 0x5000 && address <= 0x57ff) {
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Cart.WorkRAM[0x2000 | (address & 0x7ff)] = data;
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return;
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}
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if (address >= 0x5800 && address <= 0x5bff) {
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mapper555_reg = data;
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mapper555_prgbase = (data << 3) & 0x20;
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mapper555_prgmask =((data & 0x03) << 3) | 0x07;
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mapper555_chrbase = (data & 0x04) << 5;
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mapper555_chrmode = (data & 0x06) == 0x02; // 2 = "tqrom, aka mapper119" mode. normal mmc3 otherwise
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if (~mapper555_reg & 8) { // timer disabled, reset timer
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mapper555_timer[0] = 0;
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}
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mapper_map();
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return;
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}
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}
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static void mapper555_cycle()
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{
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if (mapper555_reg & 8) {
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mapper555_timer[0]++;
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}
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}
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static void mapper258_map()
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{
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if (mapper258_reg & 0x80) {
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@ -3314,7 +3441,7 @@ static void mapper406_write(UINT16 address, UINT8 data)
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static void mapper04_scanline()
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{
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if (NESMode & ALT_MMC3 && RENDERING) {
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if (NESMode & ALT_MMC3 && !RENDERING) {
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return;
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}
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@ -9109,6 +9236,41 @@ static INT32 mapper_init(INT32 mappernum)
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break;
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}
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case 555: { // NCC
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// mmc3 stuff
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mapper_write = mapper04_write; // 8000-ffff, write only
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mapper_scanline = mapper04_scanline;
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mapper4_mirror = Cart.Mirroring;// inherit mirror from cart header
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mapper_map = mapper555_map;
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psg_area_write = mapper555_write; // 4000-5fff
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psg_area_read = mapper555_read; // 4000-5fff
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cart_exp_write = mapper555_prgwrite; // 6000-6fff
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cart_exp_read = mapper555_prgread; // 6000-6fff
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mapper_cycle = mapper555_cycle; // for timer
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// default mmc3 regs:
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// chr
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mapper555_prgmask = 0x07;
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mapper_regs[0] = 0;
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mapper_regs[1] = 2;
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mapper_regs[2] = 4;
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mapper_regs[3] = 5;
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mapper_regs[4] = 6;
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mapper_regs[5] = 7;
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// prg
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mapper_regs[6] = 0;
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mapper_regs[7] = 1;
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mapper_map();
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retval = 0;
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break;
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}
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case 406: { // Haradius Zero (mmc3 + 2xMXIC flash)
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flashrom_chiptype = MXIC;
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