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AxibugEmuOnline/AxibugEmuOnline.Client/Assets/VirtualNes.Core/Mapper/Mapper189.cs

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transfer mapper 165-198
2024-08-03 23:15:19 +08:00
//////////////////////////////////////////////////////////////////////////
// Mapper189 Street Fighter 2/Yoko version //
// 快打傅説 Street Fighter IV (GOUDER) //
//////////////////////////////////////////////////////////////////////////
using static VirtualNes.MMU;
using static VirtualNes.Core.CPU;
using INT = System.Int32;
using BYTE = System.Byte;
using System;
using Codice.CM.Client.Differences;
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;
}
}
}
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