forked from sin365/AxibugEmuOnline
320 lines
11 KiB
C#
320 lines
11 KiB
C#
|
//////////////////////////////////////////////////////////////////////////
|
|||
|
|
// Mapper189 Street Fighter 2/Yoko version //
|
|||
|
|
// 快打傅説 Street Fighter IV (GOUDER) //
|
|||
|
|
//////////////////////////////////////////////////////////////////////////
|
|||
|
|
using static VirtualNes.Core.CPU;
|
|||
|
|
using static VirtualNes.MMU;
|
|||
|
|
using BYTE = System.Byte;
|
|||
|
|
using INT = System.Int32;
|
|||
|
|
|
|||
|
|
|
|||
|
|
namespace VirtualNes.Core
|
|||
|
|
{
|
|||
|
|
public class Mapper189 : Mapper
|
|||
|
|
{
|
|||
|
|
BYTE patch;
|
|||
|
|
|
|||
|
|
BYTE[] reg = new BYTE[2];
|
|||
|
|
BYTE chr01, chr23, chr4, chr5, chr6, chr7;
|
|||
|
|
|
|||
|
|
BYTE irq_enable;
|
|||
|
|
BYTE irq_counter;
|
|||
|
|
BYTE irq_latch;
|
|||
|
|
|
|||
|
|
// SF4
|
|||
|
|
BYTE[] protect_dat = new byte[4];
|
|||
|
|
BYTE lwd;
|
|||
|
|
public Mapper189(NES parent) : base(parent)
|
|||
|
|
{
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public override void Reset()
|
|||
|
|
|
|||
|
|
{
|
|||
|
|
SetPROM_32K_Bank(PROM_8K_SIZE - 4, PROM_8K_SIZE - 3, PROM_8K_SIZE - 2, PROM_8K_SIZE - 1);
|
|||
|
|
|
|||
|
|
if (VROM_1K_SIZE != 0)
|
|||
|
|
{
|
|||
|
|
SetVROM_8K_Bank(0);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
reg[0] = reg[1] = 0;
|
|||
|
|
|
|||
|
|
chr01 = 0;
|
|||
|
|
chr23 = 2;
|
|||
|
|
chr4 = 4;
|
|||
|
|
chr5 = 5;
|
|||
|
|
chr6 = 6;
|
|||
|
|
chr7 = 7;
|
|||
|
|
SetBank_PPU();
|
|||
|
|
|
|||
|
|
irq_enable = 0;
|
|||
|
|
irq_counter = 0;
|
|||
|
|
irq_latch = 0;
|
|||
|
|
|
|||
|
|
for (INT i = 0; i < 4; i++)
|
|||
|
|
{
|
|||
|
|
protect_dat[i] = 0;
|
|||
|
|
}
|
|||
|
|
lwd = 0xFF;
|
|||
|
|
|
|||
|
|
patch = 0;
|
|||
|
|
uint crc = nes.rom.GetPROM_CRC();
|
|||
|
|
if (crc == 0x20ca2ad3)
|
|||
|
|
{ // Street Fighter IV (GOUDER)
|
|||
|
|
patch = 1;
|
|||
|
|
SetPROM_32K_Bank(0);
|
|||
|
|
|
|||
|
|
// $4000-$5FFF
|
|||
|
|
SetPROM_Bank(2, XRAM, BANKTYPE_ROM);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
//void Mapper189::WriteLow(WORD addr, BYTE data)
|
|||
|
|
public override void WriteLow(ushort addr, byte data)
|
|||
|
|
{
|
|||
|
|
if ((addr & 0xFF00) == 0x4100)
|
|||
|
|
{
|
|||
|
|
// Street Fighter 2 YOKO
|
|||
|
|
SetPROM_32K_Bank((data & 0x30) >> 4);
|
|||
|
|
}
|
|||
|
|
else if ((addr & 0xFF00) == 0x6100)
|
|||
|
|
{
|
|||
|
|
// Master Fighter 2
|
|||
|
|
SetPROM_32K_Bank(data & 0x03);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (patch != 0)
|
|||
|
|
{
|
|||
|
|
// Street Fighter IV (GOUDER)
|
|||
|
|
BYTE[] a5000xordat = new byte[256]{
|
|||
|
|
0x59, 0x59, 0x59, 0x59, 0x59, 0x59, 0x59, 0x59, 0x59, 0x49, 0x19, 0x09, 0x59, 0x49, 0x19, 0x09,
|
|||
|
|
0x59, 0x59, 0x59, 0x59, 0x59, 0x59, 0x59, 0x59, 0x51, 0x41, 0x11, 0x01, 0x51, 0x41, 0x11, 0x01,
|
|||
|
|
0x59, 0x59, 0x59, 0x59, 0x59, 0x59, 0x59, 0x59, 0x59, 0x49, 0x19, 0x09, 0x59, 0x49, 0x19, 0x09,
|
|||
|
|
0x59, 0x59, 0x59, 0x59, 0x59, 0x59, 0x59, 0x59, 0x51, 0x41, 0x11, 0x01, 0x51, 0x41, 0x11, 0x01,
|
|||
|
|
0x00, 0x10, 0x40, 0x50, 0x00, 0x10, 0x40, 0x50, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|||
|
|
0x08, 0x18, 0x48, 0x58, 0x08, 0x18, 0x48, 0x58, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|||
|
|
0x00, 0x10, 0x40, 0x50, 0x00, 0x10, 0x40, 0x50, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|||
|
|
0x08, 0x18, 0x48, 0x58, 0x08, 0x18, 0x48, 0x58, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|||
|
|
0x59, 0x59, 0x59, 0x59, 0x59, 0x59, 0x59, 0x59, 0x58, 0x48, 0x18, 0x08, 0x58, 0x48, 0x18, 0x08,
|
|||
|
|
0x59, 0x59, 0x59, 0x59, 0x59, 0x59, 0x59, 0x59, 0x50, 0x40, 0x10, 0x00, 0x50, 0x40, 0x10, 0x00,
|
|||
|
|
0x59, 0x59, 0x59, 0x59, 0x59, 0x59, 0x59, 0x59, 0x58, 0x48, 0x18, 0x08, 0x58, 0x48, 0x18, 0x08,
|
|||
|
|
0x59, 0x59, 0x59, 0x59, 0x59, 0x59, 0x59, 0x59, 0x50, 0x40, 0x10, 0x00, 0x50, 0x40, 0x10, 0x00,
|
|||
|
|
0x01, 0x11, 0x41, 0x51, 0x01, 0x11, 0x41, 0x51, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|||
|
|
0x09, 0x19, 0x49, 0x59, 0x09, 0x19, 0x49, 0x59, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|||
|
|
0x01, 0x11, 0x41, 0x51, 0x01, 0x11, 0x41, 0x51, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|||
|
|
0x09, 0x19, 0x49, 0x59, 0x09, 0x19, 0x49, 0x59, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
if ((addr >= 0x4800) && (addr <= 0x4FFF))
|
|||
|
|
{
|
|||
|
|
SetPROM_32K_Bank(((data & 0x10) >> 3) + (data & 0x1));
|
|||
|
|
|
|||
|
|
if (!nes.rom.Is4SCREEN())
|
|||
|
|
{
|
|||
|
|
if ((data & 0x20) != 0)
|
|||
|
|
SetVRAM_Mirror(VRAM_HMIRROR);
|
|||
|
|
else SetVRAM_Mirror(VRAM_VMIRROR);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
if ((addr >= 0x5000) && (addr <= 0x57FF))
|
|||
|
|
{
|
|||
|
|
lwd = data;
|
|||
|
|
}
|
|||
|
|
if ((addr >= 0x5800) && (addr <= 0x5FFF))
|
|||
|
|
{
|
|||
|
|
// XRAM[0x1000+(addr & 3)] =
|
|||
|
|
// $5800 "JMP $xxxx" write
|
|||
|
|
XRAM[0x1800 + (addr & 3)] =
|
|||
|
|
protect_dat[addr & 3] = (byte)(data ^ a5000xordat[lwd]);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
//void Mapper189::Write(WORD addr, BYTE data)
|
|||
|
|
public override void Write(ushort addr, byte data)
|
|||
|
|
{
|
|||
|
|
switch (addr & 0xE001)
|
|||
|
|
{
|
|||
|
|
case 0x8000:
|
|||
|
|
reg[0] = data;
|
|||
|
|
SetBank_PPU();
|
|||
|
|
break;
|
|||
|
|
|
|||
|
|
case 0x8001:
|
|||
|
|
reg[1] = data;
|
|||
|
|
SetBank_PPU();
|
|||
|
|
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;
|
|||
|
|
}
|
|||
|
|
break;
|
|||
|
|
|
|||
|
|
case 0xA000:
|
|||
|
|
if ((data & 0x01) != 0)
|
|||
|
|
SetVRAM_Mirror(VRAM_HMIRROR);
|
|||
|
|
else SetVRAM_Mirror(VRAM_VMIRROR);
|
|||
|
|
break;
|
|||
|
|
|
|||
|
|
case 0xC000:
|
|||
|
|
irq_counter = data;
|
|||
|
|
break;
|
|||
|
|
case 0xC001:
|
|||
|
|
irq_latch = data;
|
|||
|
|
break;
|
|||
|
|
case 0xE000:
|
|||
|
|
irq_enable = 0;
|
|||
|
|
nes.cpu.ClrIRQ(IRQ_MAPPER);
|
|||
|
|
break;
|
|||
|
|
case 0xE001:
|
|||
|
|
irq_enable = 0xFF;
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
//void Mapper189::HSync(INT scanline)
|
|||
|
|
public override void HSync(int scanline)
|
|||
|
|
{
|
|||
|
|
if ((scanline >= 0 && scanline <= 239))
|
|||
|
|
{
|
|||
|
|
if (nes.ppu.IsDispON())
|
|||
|
|
{
|
|||
|
|
if (irq_enable != 0)
|
|||
|
|
{
|
|||
|
|
if ((--irq_counter) == 0)
|
|||
|
|
{
|
|||
|
|
// if( !(irq_counter--) ) {
|
|||
|
|
irq_counter = irq_latch;
|
|||
|
|
nes.cpu.SetIRQ(IRQ_MAPPER);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
void SetBank_PPU()
|
|||
|
|
{
|
|||
|
|
if (patch != 0)
|
|||
|
|
{
|
|||
|
|
SetVROM_8K_Bank(chr01, chr01 + 1, chr23, chr23 + 1,
|
|||
|
|
chr4, chr5, chr6, chr7);
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
if (VROM_1K_SIZE != 0)
|
|||
|
|
{
|
|||
|
|
if ((reg[0] & 0x80) != 0)
|
|||
|
|
{
|
|||
|
|
SetVROM_8K_Bank(chr4, chr5, chr6, chr7,
|
|||
|
|
chr01, chr01 + 1, chr23, chr23 + 1);
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
SetVROM_8K_Bank(chr01, chr01 + 1, chr23, chr23 + 1,
|
|||
|
|
chr4, chr5, chr6, chr7);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
if ((reg[0] & 0x80) != 0)
|
|||
|
|
{
|
|||
|
|
SetCRAM_1K_Bank(4, (chr01 + 0) & 0x07);
|
|||
|
|
SetCRAM_1K_Bank(5, (chr01 + 1) & 0x07);
|
|||
|
|
SetCRAM_1K_Bank(6, (chr23 + 0) & 0x07);
|
|||
|
|
SetCRAM_1K_Bank(7, (chr23 + 1) & 0x07);
|
|||
|
|
SetCRAM_1K_Bank(0, chr4 & 0x07);
|
|||
|
|
SetCRAM_1K_Bank(1, chr5 & 0x07);
|
|||
|
|
SetCRAM_1K_Bank(2, chr6 & 0x07);
|
|||
|
|
SetCRAM_1K_Bank(3, chr7 & 0x07);
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
SetCRAM_1K_Bank(0, (chr01 + 0) & 0x07);
|
|||
|
|
SetCRAM_1K_Bank(1, (chr01 + 1) & 0x07);
|
|||
|
|
SetCRAM_1K_Bank(2, (chr23 + 0) & 0x07);
|
|||
|
|
SetCRAM_1K_Bank(3, (chr23 + 1) & 0x07);
|
|||
|
|
SetCRAM_1K_Bank(4, chr4 & 0x07);
|
|||
|
|
SetCRAM_1K_Bank(5, chr5 & 0x07);
|
|||
|
|
SetCRAM_1K_Bank(6, chr6 & 0x07);
|
|||
|
|
SetCRAM_1K_Bank(7, chr7 & 0x07);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
//void Mapper189::SaveState(LPBYTE p)
|
|||
|
|
public override void SaveState(byte[] p)
|
|||
|
|
{
|
|||
|
|
p[0] = reg[0];
|
|||
|
|
p[1] = reg[1];
|
|||
|
|
p[2] = chr01;
|
|||
|
|
p[3] = chr23;
|
|||
|
|
p[4] = chr4;
|
|||
|
|
p[5] = chr5;
|
|||
|
|
p[6] = chr6;
|
|||
|
|
p[7] = chr7;
|
|||
|
|
p[8] = irq_enable;
|
|||
|
|
p[9] = irq_counter;
|
|||
|
|
p[10] = irq_latch;
|
|||
|
|
|
|||
|
|
p[16] = protect_dat[0];
|
|||
|
|
p[17] = protect_dat[1];
|
|||
|
|
p[18] = protect_dat[2];
|
|||
|
|
p[19] = protect_dat[3];
|
|||
|
|
p[20] = lwd;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
//void Mapper189::LoadState(LPBYTE p)
|
|||
|
|
public override void LoadState(byte[] p)
|
|||
|
|
{
|
|||
|
|
reg[0] = p[0];
|
|||
|
|
reg[1] = p[1];
|
|||
|
|
chr01 = p[2];
|
|||
|
|
chr23 = p[3];
|
|||
|
|
chr4 = p[4];
|
|||
|
|
chr5 = p[5];
|
|||
|
|
chr6 = p[6];
|
|||
|
|
chr7 = p[7];
|
|||
|
|
|
|||
|
|
irq_enable = p[8];
|
|||
|
|
irq_counter = p[9];
|
|||
|
|
irq_latch = p[10];
|
|||
|
|
|
|||
|
|
protect_dat[0] = p[16];
|
|||
|
|
protect_dat[1] = p[17];
|
|||
|
|
protect_dat[2] = p[18];
|
|||
|
|
protect_dat[3] = p[19];
|
|||
|
|
lwd = p[20];
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public override bool IsStateSave()
|
|||
|
|
{
|
|||
|
|
return true;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
}
|
|||
|
|
}
|