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nes: impl. mmc5 8bit dac, add super mario all-stars NES, ultima - exodus remastered

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This commit is contained in:
dinkc64 2020-12-21 23:20:45 -05:00
parent 6da499cd04
commit 788a56c88f
1 changed files with 79 additions and 3 deletions
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82
src/burn/drv/nes/d_nes.cpp
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@ -2839,7 +2839,7 @@ static UINT8 mmc5_expram[1024];
#define mmc5_prgprot1 (mapper_regs[0x2])
#define mmc5_prgprot2 (mapper_regs[0x3])
#define mmc5_expram_mode (mapper_regs[0x4])
#define mmc5_mirror(x) (mapper_regs[0x18 + (x)])
#define mmc5_mirror(x) (mapper_regs[0x1b + (x)])
#define mmc5_filltile (mapper_regs[0x5])
#define mmc5_fillcolor (mapper_regs[0x6])
#define mmc5_prgexp (mapper_regs[0x7])
@ -2868,6 +2868,10 @@ static UINT8 mmc5_expram[1024];
#define mmc5_lastchr (mapper_regs[0x16])
#define mmc5_expramattr (mapper_regs[0x17])
#define mmc5_pcmwrmode (mapper_regs[0x18])
#define mmc5_pcmirq (mapper_regs[0x19])
#define mmc5_pcmdata (mapper_regs[0x1a])
enum { CHR_GUESS = 0, CHR_TILE, CHR_SPRITE, CHR_LASTREG };
static void mapper5_reset()
@ -2887,6 +2891,10 @@ static void mapper5_reset()
mmc5_fillcolor = 0xff;
mmc5_mult0 = 0xff;
mmc5_mult1 = 0xff; // default
mmc5_pcmwrmode = 0x00;
mmc5_pcmirq = 0x00;
mmc5_pcmdata = 0x00;
}
static void mapper5_scan()
@ -2894,6 +2902,11 @@ static void mapper5_scan()
SCAN_VAR(mmc5_expram);
}
static INT16 mapper5_mixer()
{
return (INT16)(mmc5_pcmdata << 4);
}
static void mmc5_mapchr(UINT8 type)
{
// https://wiki.nesdev.com/w/index.php/MMC5#CHR_mode_.28.245101.29
@ -2975,7 +2988,17 @@ static void mapper5_map()
static UINT8 mapper5_read(UINT16 address)
{
if (address >= 0x5000 && address <= 0x5015) {
return nesapuRead(0, (address & 0x1f) | 0x80);
switch (address) {
case 0x5010: {
bprintf(0, _T("mmc5 irq ack\n"));
UINT8 ret = ((mmc5_pcmirq & 1) << 7) | (~mmc5_pcmwrmode & 1);
mmc5_pcmirq &= ~1; // clear flag
M6502SetIRQLine(0, CPU_IRQSTATUS_NONE);
return ret;
}
default:
return nesapuRead(0, (address & 0x1f) | 0x80);
}
}
if (address >= 0x5c00 && address <= 0x5fff) {
@ -3019,7 +3042,25 @@ static void mapper5_prg_write(UINT16 address, UINT8 data)
static void mapper5_write(UINT16 address, UINT8 data)
{
if (address >= 0x5000 && address <= 0x5015) {
nesapuWrite(0, (address & 0x1f) | 0x80, data);
// Audio section
switch (address) {
case 0x5010:
mmc5_pcmwrmode = ~data & 1;
mmc5_pcmirq = data & 0x80;
break;
case 0x5011:
if (mmc5_pcmwrmode) {
if (data == 0x00 && mmc5_pcmirq) {
mapper_irq(0);
mmc5_pcmirq |= 0x01;
}
mmc5_pcmdata = data;
}
break;
default:
nesapuWrite(0, (address & 0x1f) | 0x80, data);
break;
}
return;
}
@ -6816,6 +6857,7 @@ static INT32 mapper_init(INT32 mappernum)
mapper_map = mapper5_map;
mapper_scan_cb = mapper5_scan;
mapper_ppu_clockall = mapper5_ppu_clk;
nes_ext_sound_cb = mapper5_mixer;
read_nt = &mapper5_ntread;
write_nt = &mapper5_ntwrite;
@ -12373,6 +12415,40 @@ struct BurnDriver BurnDrvnes_allpads = {
*/
// Non Homebrew (hand-added!)
static struct BurnRomInfo nes_ultimexoremRomDesc[] = {
{ "Ultima - Exodus Remastered (USA)(Hack).nes", 262160, 0x8afe467a, BRF_ESS | BRF_PRG },
};
STD_ROM_PICK(nes_ultimexorem)
STD_ROM_FN(nes_ultimexorem)
struct BurnDriver BurnDrvnes_ultimexorem = {
"nes_ultimexorem", "nes_ultimaexodus", NULL, NULL, "2020",
"Ultima - Exodus Remastered (USA)(Hack)\0", NULL, "Fox Cunning", "Miscellaneous",
NULL, NULL, NULL, NULL,
BDF_GAME_WORKING | BDF_CLONE, 2, HARDWARE_NES, GBF_MISC, 0,
NESGetZipName, nes_ultimexoremRomInfo, nes_ultimexoremRomName, NULL, NULL, NULL, NULL, NESInputInfo, NESDIPInfo,
NESInit, NESExit, NESFrame, NESDraw, NESScan, &NESRecalc, 0x40,
SCREEN_WIDTH, SCREEN_HEIGHT, SCREEN_WIDTH, SCREEN_HEIGHT
};
static struct BurnRomInfo nes_supermarallstanesRomDesc[] = {
{ "Super Mario All Stars NES (Hack).nes", 2097168, 0xbe155d3e, BRF_ESS | BRF_PRG },
};
STD_ROM_PICK(nes_supermarallstanes)
STD_ROM_FN(nes_supermarallstanes)
struct BurnDriver BurnDrvnes_supermarallstanes = {
"nes_supermarioallst", NULL, NULL, NULL, "2020",
"Super Mario All Stars NES (Hack)\0", NULL, "infidelity", "Miscellaneous",
NULL, NULL, NULL, NULL,
BDF_GAME_WORKING, 2, HARDWARE_NES, GBF_MISC, 0,
NESGetZipName, nes_supermarallstanesRomInfo, nes_supermarallstanesRomName, NULL, NULL, NULL, NULL, NESInputInfo, NESDIPInfo,
NESInit, NESExit, NESFrame, NESDraw, NESScan, &NESRecalc, 0x40,
SCREEN_WIDTH, SCREEN_HEIGHT, SCREEN_WIDTH, SCREEN_HEIGHT
};
static struct BurnRomInfo nes_smbchrediRomDesc[] = {
{ "Super Mario Bros. Christmas Edition (Hack).nes", 73744, 0xb293a7c4, BRF_ESS | BRF_PRG },
};