AxibugEmuOnline/AxibugEmuOnline.Client/Assets/VirtualNes.Core/Mapper/Mapper004.cs

574 lines
20 KiB
C#

namespace VirtualNes.Core
{
public class Mapper004 : Mapper
{
private const int MMC3_IRQ_KLAX = 1;
private const int MMC3_IRQ_SHOUGIMEIKAN = 2;
private const int MMC3_IRQ_DAI2JISUPER = 3;
private const int MMC3_IRQ_DBZ2 = 4;
private const int MMC3_IRQ_ROCKMAN3 = 5;
protected byte[] reg = new byte[8];
protected byte prg0, prg1;
protected byte chr01, chr23, chr4, chr5, chr6, chr7;
protected byte we_sram;
protected byte irq_type;
protected byte irq_enable;
protected byte irq_counter;
protected byte irq_latch;
protected byte irq_request;
protected byte irq_preset;
protected byte irq_preset_vbl;
protected byte vs_patch;
protected byte vs_index;
private byte[] VS_TKO_Security = new byte[32]
{
0xff, 0xbf, 0xb7, 0x97, 0x97, 0x17, 0x57, 0x4f,
0x6f, 0x6b, 0xeb, 0xa9, 0xb1, 0x90, 0x94, 0x14,
0x56, 0x4e, 0x6f, 0x6b, 0xeb, 0xa9, 0xb1, 0x90,
0xd4, 0x5c, 0x3e, 0x26, 0x87, 0x83, 0x13, 0x00
};
public Mapper004(NES parent) : base(parent) { }
public override void Reset()
{
for (int i = 0; i < 8; i++)
{
reg[i] = 0x00;
}
prg0 = 0;
prg1 = 1;
SetBank_CPU();
chr01 = 0;
chr23 = 2;
chr4 = 4;
chr5 = 5;
chr6 = 6;
chr7 = 7;
SetBank_PPU();
we_sram = 0; // Disable
irq_enable = 0; // Disable
irq_counter = 0;
irq_latch = 0xFF;
irq_request = 0;
irq_preset = 0;
irq_preset_vbl = 0;
// IRQ僞僀僾愝掕
nes.SetIrqType(NES.IRQMETHOD.IRQ_CLOCK);
irq_type = 0;
uint crc = nes.rom.GetPROM_CRC();
if (crc == 0x5c707ac4)
{ // Mother(J)
nes.SetIrqType(NES.IRQMETHOD.IRQ_HSYNC);
nes.SetRenderMethod(EnumRenderMethod.TILE_RENDER);
}
if (crc == 0xcb106f49)
{ // F-1 Sensation(J)
nes.SetRenderMethod(EnumRenderMethod.TILE_RENDER);
}
if (crc == 0x1170392a)
{ // Karakuri Kengou Den - Musashi Road - Karakuri Nin Hashiru!(J)
nes.SetIrqType(NES.IRQMETHOD.IRQ_HSYNC);
}
if (crc == 0x14a01c70)
{ // Gun-Dec(J)
nes.SetRenderMethod(EnumRenderMethod.TILE_RENDER);
}
if (crc == 0xeffeea40)
{ // For Klax(J)
irq_type = MMC3_IRQ_KLAX;
nes.SetIrqType(NES.IRQMETHOD.IRQ_HSYNC);
nes.SetRenderMethod(EnumRenderMethod.TILE_RENDER);
}
if (crc == 0xc17ae2dc)
{ // God Slayer - Haruka Tenkuu no Sonata(J)
nes.SetRenderMethod(EnumRenderMethod.TILE_RENDER);
}
if (crc == 0x126ea4a0)
{ // Summer Carnival '92 - Recca(J)
nes.SetIrqType(NES.IRQMETHOD.IRQ_HSYNC);
}
if (crc == 0x1f2f4861)
{ // J League Fighting Soccer - The King of Ace Strikers(J)
nes.SetIrqType(NES.IRQMETHOD.IRQ_HSYNC);
}
if (crc == 0x5a6860f1)
{ // Shougi Meikan '92(J)
irq_type = MMC3_IRQ_SHOUGIMEIKAN;
nes.SetIrqType(NES.IRQMETHOD.IRQ_HSYNC);
}
if (crc == 0xae280e20)
{ // Shougi Meikan '93(J)
irq_type = MMC3_IRQ_SHOUGIMEIKAN;
nes.SetIrqType(NES.IRQMETHOD.IRQ_HSYNC);
}
if (crc == 0xe19a2473)
{ // Sugoro Quest - Dice no Senshi Tachi(J)
nes.SetIrqType(NES.IRQMETHOD.IRQ_HSYNC);
nes.SetRenderMethod(EnumRenderMethod.TILE_RENDER);
}
if (crc == 0x702d9b33)
{ // Star Wars - The Empire Strikes Back(Victor)(J)
nes.SetIrqType(NES.IRQMETHOD.IRQ_HSYNC);
}
if (crc == 0xa9a0d729)
{ // Dai Kaijuu - Deburas(J)
nes.SetRenderMethod(EnumRenderMethod.TILE_RENDER);
}
if (crc == 0xc5fea9f2)
{ // Dai 2 Ji - Super Robot Taisen(J)
irq_type = MMC3_IRQ_DAI2JISUPER;
}
if (crc == 0xd852c2f7)
{ // Time Zone(J)
nes.SetRenderMethod(EnumRenderMethod.TILE_RENDER);
}
if (crc == 0xecfd3c69)
{ // Taito Chase H.Q.(J)
nes.SetRenderMethod(EnumRenderMethod.TILE_RENDER);
}
if (crc == 0x7a748058)
{ // Tom & Jerry (and Tuffy)(J)
nes.SetIrqType(NES.IRQMETHOD.IRQ_HSYNC);
}
if (crc == 0xaafe699c)
{ // Ninja Ryukenden 3 - Yomi no Hakobune(J)
nes.SetRenderMethod(EnumRenderMethod.TILE_RENDER);
}
if (crc == 0x6cc62c06)
{ // Hoshi no Kirby - Yume no Izumi no Monogatari(J)
nes.SetRenderMethod(EnumRenderMethod.TILE_RENDER);
}
if (crc == 0x877dba77)
{ // My Life My Love - Boku no Yume - Watashi no Negai(J)
nes.SetIrqType(NES.IRQMETHOD.IRQ_HSYNC);
}
if (crc == 0x6f96ed15)
{ // Max Warrior - Wakusei Kaigenrei(J)
nes.SetIrqType(NES.IRQMETHOD.IRQ_HSYNC);
}
if (crc == 0x8685f366)
{ // Matendouji(J)
nes.SetRenderMethod(EnumRenderMethod.TILE_RENDER);
}
if (crc == 0x8635fed1)
{ // Mickey Mouse 3 - Yume Fuusen(J)
nes.SetRenderMethod(EnumRenderMethod.TILE_RENDER);
}
if (crc == 0x26ff3ea2)
{ // Yume Penguin Monogatari(J)
nes.SetIrqType(NES.IRQMETHOD.IRQ_HSYNC);
}
if (crc == 0x7671bc51)
{ // Red Ariimaa 2(J)
nes.SetIrqType(NES.IRQMETHOD.IRQ_HSYNC);
}
if (crc == 0xade11141)
{ // Wanpaku Kokkun no Gourmet World(J)
nes.SetIrqType(NES.IRQMETHOD.IRQ_HSYNC);
}
if (crc == 0x7c7ab58e)
{ // Walkuere no Bouken - Toki no Kagi Densetsu(J)
nes.SetRenderMethod(EnumRenderMethod.POST_RENDER);
}
if (crc == 0x26ff3ea2)
{ // Yume Penguin Monogatari(J)
nes.SetRenderMethod(EnumRenderMethod.TILE_RENDER);
}
if (crc == 0x126ea4a0)
{ // Summer Carnival '92 Recca(J)
nes.SetRenderMethod(EnumRenderMethod.TILE_RENDER);
}
if (crc == 0x1d2e5018 // Rockman 3(J)
|| crc == 0x6b999aaf)
{ // Megaman 3(U)
irq_type = MMC3_IRQ_ROCKMAN3;
}
if (crc == 0xd88d48d7)
{ // Kick Master(U)
irq_type = MMC3_IRQ_ROCKMAN3;
}
if (crc == 0xA67EA466)
{ // Alien 3(U)
nes.SetRenderMethod(EnumRenderMethod.TILE_RENDER);
}
if (crc == 0xe763891b)
{ // DBZ2
irq_type = MMC3_IRQ_DBZ2;
}
// VS-Unisystem
vs_patch = 0;
vs_index = 0;
if (crc == 0xeb2dba63 // VS TKO Boxing
|| crc == 0x98cfe016)
{ // VS TKO Boxing (Alt)
vs_patch = 1;
}
if (crc == 0x135adf7c)
{ // VS Atari RBI Baseball
vs_patch = 2;
}
if (crc == 0xf9d3b0a3 // VS Super Xevious
|| crc == 0x9924980a // VS Super Xevious (b1)
|| crc == 0x66bb838f)
{ // VS Super Xevious (b2)
vs_patch = 3;
}
}
private void SetBank_PPU()
{
if (MMU.VROM_1K_SIZE != 0)
{
if ((reg[0] & 0x80) != 0)
{
MMU.SetVROM_8K_Bank(chr4, chr5, chr6, chr7,
chr01, chr01 + 1, chr23, chr23 + 1);
}
else
{
MMU.SetVROM_8K_Bank(chr01, chr01 + 1, chr23, chr23 + 1,
chr4, chr5, chr6, chr7);
}
}
else
{
if ((reg[0] & 0x80) != 0)
{
MMU.SetCRAM_1K_Bank(4, (chr01 + 0) & 0x07);
MMU.SetCRAM_1K_Bank(5, (chr01 + 1) & 0x07);
MMU.SetCRAM_1K_Bank(6, (chr23 + 0) & 0x07);
MMU.SetCRAM_1K_Bank(7, (chr23 + 1) & 0x07);
MMU.SetCRAM_1K_Bank(0, chr4 & 0x07);
MMU.SetCRAM_1K_Bank(1, chr5 & 0x07);
MMU.SetCRAM_1K_Bank(2, chr6 & 0x07);
MMU.SetCRAM_1K_Bank(3, chr7 & 0x07);
}
else
{
MMU.SetCRAM_1K_Bank(0, (chr01 + 0) & 0x07);
MMU.SetCRAM_1K_Bank(1, (chr01 + 1) & 0x07);
MMU.SetCRAM_1K_Bank(2, (chr23 + 0) & 0x07);
MMU.SetCRAM_1K_Bank(3, (chr23 + 1) & 0x07);
MMU.SetCRAM_1K_Bank(4, chr4 & 0x07);
MMU.SetCRAM_1K_Bank(5, chr5 & 0x07);
MMU.SetCRAM_1K_Bank(6, chr6 & 0x07);
MMU.SetCRAM_1K_Bank(7, chr7 & 0x07);
}
}
}
public override byte ReadLow(ushort addr)
{
if (vs_patch == 0)
{
if (addr >= 0x5000 && addr <= 0x5FFF)
{
return MMU.XRAM[addr - 0x4000];
}
}
else if (vs_patch == 1)
{
// VS TKO Boxing Security
if (addr == 0x5E00)
{
vs_index = 0;
return 0x00;
}
else if (addr == 0x5E01)
{
return VS_TKO_Security[(vs_index++) & 0x1F];
}
}
else if (vs_patch == 2)
{
// VS Atari RBI Baseball Security
if (addr == 0x5E00)
{
vs_index = 0;
return 0x00;
}
else if (addr == 0x5E01)
{
if (vs_index++ == 9)
return 0x6F;
else
return 0xB4;
}
}
else if (vs_patch == 3)
{
// VS Super Xevious
switch (addr)
{
case 0x54FF:
return 0x05;
case 0x5678:
if (vs_index != 0)
return 0x00;
else
return 0x01;
case 0x578f:
if (vs_index != 0)
return 0xD1;
else
return 0x89;
case 0x5567:
if (vs_index != 0)
{
vs_index = 0;
return 0x3E;
}
else
{
vs_index = 1;
return 0x37;
}
default:
break;
}
}
return base.ReadLow(addr);
}
public override void WriteLow(ushort addr, byte data)
{
if (addr >= 0x5000 && addr <= 0x5FFF)
{
MMU.XRAM[addr - 0x4000] = data;
}
else
{
base.WriteLow(addr, data);
}
}
public override void Write(ushort addr, byte data)
{
switch (addr & 0xE001)
{
case 0x8000:
reg[0] = data;
SetBank_CPU();
SetBank_PPU();
break;
case 0x8001:
reg[1] = data;
switch (reg[0] & 0x07)
{
case 0x00:
chr01 = (byte)(data & 0xFE);
SetBank_PPU();
break;
case 0x01:
chr23 = (byte)(data & 0xFE);
SetBank_PPU();
break;
case 0x02:
chr4 = data;
SetBank_PPU();
break;
case 0x03:
chr5 = data;
SetBank_PPU();
break;
case 0x04:
chr6 = data;
SetBank_PPU();
break;
case 0x05:
chr7 = data;
SetBank_PPU();
break;
case 0x06:
prg0 = data;
SetBank_CPU();
break;
case 0x07:
prg1 = data;
SetBank_CPU();
break;
}
break;
case 0xA000:
reg[2] = data;
if (!nes.rom.Is4SCREEN())
{
if ((data & 0x01) != 0) MMU.SetVRAM_Mirror(MMU.VRAM_HMIRROR);
else MMU.SetVRAM_Mirror(MMU.VRAM_VMIRROR);
}
break;
case 0xA001:
reg[3] = data;
//DEBUGOUT( "MPRWR A=%04X D=%02X L=%3d CYC=%d\n", addr&0xFFFF, data&0xFF, nes->GetScanline(), nes->cpu->GetTotalCycles() );
break;
case 0xC000:
//DEBUGOUT( "MPRWR A=%04X D=%02X L=%3d CYC=%d\n", addr&0xFFFF, data&0xFF, nes->GetScanline(), nes->cpu->GetTotalCycles() );
reg[4] = data;
if (irq_type == MMC3_IRQ_KLAX || irq_type == MMC3_IRQ_ROCKMAN3)
{
irq_counter = data;
}
else
{
irq_latch = data;
}
if (irq_type == MMC3_IRQ_DBZ2)
{
irq_latch = 0x07;
}
break;
case 0xC001:
reg[5] = data;
if (irq_type == MMC3_IRQ_KLAX || irq_type == MMC3_IRQ_ROCKMAN3)
{
irq_latch = data;
}
else
{
if ((nes.GetScanline() < 240) || (irq_type == MMC3_IRQ_SHOUGIMEIKAN))
{
irq_counter |= 0x80;
irq_preset = 0xFF;
}
else
{
irq_counter |= 0x80;
irq_preset_vbl = 0xFF;
irq_preset = 0;
}
}
break;
case 0xE000:
reg[6] = data;
irq_enable = 0;
irq_request = 0;
nes.cpu.ClrIRQ(CPU.IRQ_MAPPER);
break;
case 0xE001:
reg[7] = data;
irq_enable = 1;
irq_request = 0;
// nes->cpu->ClrIRQ( IRQ_MAPPER );
break;
}
}
public override void Clock(int cycles)
{
}
public override void HSync(int scanline)
{
if (irq_type == MMC3_IRQ_KLAX)
{
if ((scanline >= 0 && scanline <= 239) && nes.ppu.IsDispON())
{
if (irq_enable != 0)
{
if (irq_counter == 0)
{
irq_counter = irq_latch;
irq_request = 0xFF;
}
if (irq_counter > 0)
{
irq_counter--;
}
}
}
if (irq_request != 0)
{
nes.cpu.SetIRQ(CPU.IRQ_MAPPER);
}
}
else if (irq_type == MMC3_IRQ_ROCKMAN3)
{
if ((scanline >= 0 && scanline <= 239) && nes.ppu.IsDispON())
{
if (irq_enable != 0)
{
if ((--irq_counter) == 0)
{
irq_request = 0xFF;
irq_counter = irq_latch;
}
}
}
if (irq_request != 0)
{
nes.cpu.SetIRQ(CPU.IRQ_MAPPER);
}
}
else
{
if ((scanline >= 0 && scanline <= 239) && nes.ppu.IsDispON())
{
if (irq_preset_vbl != 0)
{
irq_counter = irq_latch;
irq_preset_vbl = 0;
}
if (irq_preset != 0)
{
irq_counter = irq_latch;
irq_preset = 0;
if (irq_type == MMC3_IRQ_DAI2JISUPER && scanline == 0)
{
irq_counter--;
}
}
else if (irq_counter > 0)
{
irq_counter--;
}
if (irq_counter == 0)
{
if (irq_enable != 0)
{
irq_request = 0xFF;
nes.cpu.SetIRQ(CPU.IRQ_MAPPER);
}
irq_preset = 0xFF;
}
}
}
}
private void SetBank_CPU()
{
if ((reg[0] & 0x40) != 0)
{
MMU.SetPROM_32K_Bank(MMU.PROM_8K_SIZE - 2, prg1, prg0, MMU.PROM_8K_SIZE - 1);
}
else
{
MMU.SetPROM_32K_Bank(prg0, prg1, MMU.PROM_8K_SIZE - 2, MMU.PROM_8K_SIZE - 1);
}
}
}
}