AxibugEmuOnline/AxibugEmuOnline.Client/Assets/VirtualNes.Core/Mapper/Mapper016.cs

439 lines
14 KiB
C#

//////////////////////////////////////////////////////////////////////////
// Mapper016 Bandai Standard //
//////////////////////////////////////////////////////////////////////////
using static VirtualNes.Core.CPU;
using static VirtualNes.MMU;
using BYTE = System.Byte;
using INT = System.Int32;
namespace VirtualNes.Core
{
public class Mapper016 : Mapper
{
BYTE patch; // For Famicom Jump 2
BYTE eeprom_type; // EEPROM type
BYTE[] reg = new byte[3];
BYTE irq_enable;
INT irq_counter;
INT irq_latch;
BYTE irq_type;
X24C01 x24c01;
X24C02 x24c02;
public Mapper016(NES parent) : base(parent)
{
}
public override void Reset()
{
patch = 0;
reg[0] = reg[1] = reg[2] = 0;
irq_enable = 0;
irq_counter = 0;
irq_latch = 0;
irq_type = 0;
nes.SetIrqType(NES.IRQMETHOD.IRQ_CLOCK);
eeprom_type = 0;
SetPROM_32K_Bank(0, 1, PROM_8K_SIZE - 2, PROM_8K_SIZE - 1);
uint crc = nes.rom.GetPROM_CRC();
if (crc == 0x3f15d20d // Famicom Jump 2(J)
|| crc == 0xf76aa523)
{ // Famicom Jump 2(J)(alt)
patch = 1;
eeprom_type = 0xFF;
WRAM[0x0BBC] = 0xFF; // SRAM対策
}
if (crc == 0x1d6f27f7)
{ // Dragon Ball Z 2(Korean Hack)
nes.SetIrqType(NES.IRQMETHOD.IRQ_HSYNC);
eeprom_type = 1;
}
if (crc == 0x6f7247c8)
{ // Dragon Ball Z 3(Korean Hack)
nes.SetIrqType(NES.IRQMETHOD.IRQ_CLOCK);
eeprom_type = 1;
}
if (crc == 0x7fb799fd)
{ // Dragon Ball 2 - Dai Maou Fukkatsu(J)
}
if (crc == 0x6c6c2feb // Dragon Ball 3 - Gokuu Den(J)
|| crc == 0x8edeb257)
{ // Dragon Ball 3 - Gokuu Den(J)(Alt)
}
if (crc == 0x31cd9903)
{ // Dragon Ball Z - Kyoushuu! Saiya Jin(J)
nes.SetIrqType(NES.IRQMETHOD.IRQ_HSYNC);
}
if (crc == 0xe49fc53e // Dragon Ball Z 2 - Gekishin Freeza!!(J)
|| crc == 0x1582fee0)
{ // Dragon Ball Z 2 - Gekishin Freeza!!(J) [alt]
nes.SetIrqType(NES.IRQMETHOD.IRQ_HSYNC);
eeprom_type = 1;
}
if (crc == 0x09499f4d)
{ // Dragon Ball Z 3 - Ressen Jinzou Ningen(J)
nes.SetIrqType(NES.IRQMETHOD.IRQ_HSYNC);
eeprom_type = 1;
}
if (crc == 0x2e991109)
{ // Dragon Ball Z Gaiden - Saiya Jin Zetsumetsu Keikaku (J)
nes.SetIrqType(NES.IRQMETHOD.IRQ_HSYNC);
eeprom_type = 1;
}
if (crc == 0x146fb9c3)
{ // SD Gundam Gaiden - Knight Gundam Monogatari(J)
}
if (crc == 0x73ac76db // SD Gundam Gaiden - Knight Gundam Monogatari 2 - Hikari no Kishi(J)
|| crc == 0x81a15eb8)
{ // SD Gundam Gaiden - Knight Gundam Monogatari 3 - Densetsu no Kishi Dan(J)
eeprom_type = 1;
}
if (crc == 0x170250de)
{ // Rokudenashi Blues(J)
nes.SetRenderMethod(EnumRenderMethod.POST_ALL_RENDER);
eeprom_type = 1;
}
// DATACH系
if (crc == 0x0be0a328 // Datach - SD Gundam - Gundam Wars(J)
|| crc == 0x19e81461 // Datach - Dragon Ball Z - Gekitou Tenkaichi Budou Kai(J)
|| crc == 0x5b457641 // Datach - Ultraman Club - Supokon Fight!(J)
|| crc == 0x894efdbc // Datach - Crayon Shin Chan - Ora to Poi Poi(J)
|| crc == 0x983d8175 // Datach - Battle Rush - Build Up Robot Tournament(J)
|| crc == 0xbe06853f)
{ // Datach - J League Super Top Players(J)
eeprom_type = 2;
}
if (crc == 0xf51a7f46)
{ // Datach - Yuu Yuu Hakusho - Bakutou Ankoku Bujutsu Kai(J)
nes.SetIrqType(NES.IRQMETHOD.IRQ_HSYNC);
eeprom_type = 2;
}
if (eeprom_type == 0)
{
nes.SetSAVERAM_SIZE(128);
x24c01.Reset(WRAM);
}
else
if (eeprom_type == 1)
{
nes.SetSAVERAM_SIZE(256);
x24c02.Reset(WRAM);
}
else
if (eeprom_type == 2)
{
nes.SetSAVERAM_SIZE(384);
x24c02.Reset(WRAM);
x24c01.Reset(new ArrayRef<byte>(WRAM, 256));
}
}
//BYTE Mapper016::ReadLow(WORD addr)
public override byte ReadLow(ushort addr)
{
if (patch != 0)
{
return base.ReadLow(addr);
}
else
{
if ((addr & 0x00FF) == 0x0000)
{
BYTE ret = 0;
if (eeprom_type == 0)
{
ret = x24c01.Read();
}
else
if (eeprom_type == 1)
{
ret = x24c02.Read();
}
else
if (eeprom_type == 2)
{
ret = (byte)(x24c02.Read() & x24c01.Read());
}
return (byte)((ret != 0 ? 0x10 : 0) | (nes.GetBarcodeStatus()));
}
}
return 0x00;
}
//void Mapper016::WriteLow(WORD addr, BYTE data)
public override void WriteLow(ushort addr, byte data)
{
if (patch == 0)
{
WriteSubA(addr, data);
}
else
{
base.WriteLow(addr, data);
}
}
public override void Write(ushort addr, byte data)
{
if (patch == 0)
{
WriteSubA(addr, data);
}
else
{
WriteSubB(addr, data);
}
}
static BYTE eeprom_addinc;
// Normal mapper #16
void WriteSubA(ushort addr, BYTE data)
{
switch (addr & 0x000F)
{
case 0x0000:
case 0x0001:
case 0x0002:
case 0x0003:
case 0x0004:
case 0x0005:
case 0x0006:
case 0x0007:
if (VROM_1K_SIZE != 0)
{
SetVROM_1K_Bank((byte)(addr & 0x0007), data);
}
if (eeprom_type == 2)
{
reg[0] = data;
x24c01.Write((byte)((data & 0x08) != 0 ? 0xFF : 0), (byte)((reg[1] & 0x40) != 0 ? 0xFF : 0));
}
break;
case 0x0008:
SetPROM_16K_Bank(4, data);
break;
case 0x0009:
data &= 0x03;
if (data == 0) SetVRAM_Mirror(VRAM_VMIRROR);
else if (data == 1) SetVRAM_Mirror(VRAM_HMIRROR);
else if (data == 2) SetVRAM_Mirror(VRAM_MIRROR4L);
else SetVRAM_Mirror(VRAM_MIRROR4H);
break;
case 0x000A:
irq_enable = (byte)(data & 0x01);
irq_counter = irq_latch;
nes.cpu.ClrIRQ(IRQ_MAPPER);
break;
case 0x000B:
irq_latch = (irq_latch & 0xFF00) | data;
irq_counter = (irq_counter & 0xFF00) | data;
break;
case 0x000C:
irq_latch = (data << 8) | (irq_latch & 0x00FF);
irq_counter = (data << 8) | (irq_counter & 0x00FF);
break;
case 0x000D:
// EEPTYPE0(DragonBallZ)
if (eeprom_type == 0)
{
x24c01.Write((byte)((data & 0x20) != 0 ? 0xFF : 0), (byte)((data & 0x40) != 0 ? 0xFF : 0));
}
// EEPTYPE1(DragonBallZ2,Z3,Z Gaiden)
if (eeprom_type == 1)
{
x24c02.Write((byte)((data & 0x20) != 0 ? 0xFF : 0), (byte)((data & 0x40) != 0 ? 0xFF : 0));
}
// EEPTYPE2(DATACH)
if (eeprom_type == 2)
{
reg[1] = data;
x24c02.Write((byte)((data & 0x20) != 0 ? 0xFF : 0), (byte)((data & 0x40) != 0 ? 0xFF : 0));
x24c01.Write((byte)((reg[0] & 0x08) != 0 ? 0xFF : 0), (byte)((data & 0x40) != 0 ? 0xFF : 0));
}
break;
}
}
// Famicom Jump 2
void WriteSubB(ushort addr, BYTE data)
{
switch (addr)
{
case 0x8000:
case 0x8001:
case 0x8002:
case 0x8003:
reg[0] = (byte)(data & 0x01);
SetPROM_8K_Bank(4, reg[0] * 0x20 + reg[2] * 2 + 0);
SetPROM_8K_Bank(5, reg[0] * 0x20 + reg[2] * 2 + 1);
break;
case 0x8004:
case 0x8005:
case 0x8006:
case 0x8007:
reg[1] = (byte)(data & 0x01);
SetPROM_8K_Bank(6, reg[1] * 0x20 + 0x1E);
SetPROM_8K_Bank(7, reg[1] * 0x20 + 0x1F);
break;
case 0x8008:
reg[2] = data;
SetPROM_8K_Bank(4, reg[0] * 0x20 + reg[2] * 2 + 0);
SetPROM_8K_Bank(5, reg[0] * 0x20 + reg[2] * 2 + 1);
SetPROM_8K_Bank(6, reg[1] * 0x20 + 0x1E);
SetPROM_8K_Bank(7, reg[1] * 0x20 + 0x1F);
break;
case 0x8009:
data &= 0x03;
if (data == 0) SetVRAM_Mirror(VRAM_VMIRROR);
else if (data == 1) SetVRAM_Mirror(VRAM_HMIRROR);
else if (data == 2) SetVRAM_Mirror(VRAM_MIRROR4L);
else SetVRAM_Mirror(VRAM_MIRROR4H);
break;
case 0x800A:
irq_enable = (byte)(data & 0x01);
irq_counter = irq_latch;
// if( !irq_enable ) {
// nes.cpu.ClrIRQ( IRQ_MAPPER );
// }
nes.cpu.ClrIRQ(IRQ_MAPPER);
break;
case 0x800B:
irq_latch = (irq_latch & 0xFF00) | data;
break;
case 0x800C:
irq_latch = (data << 8) | (irq_latch & 0x00FF);
break;
case 0x800D:
break;
}
}
public override void HSync(int scanline)
{
if (irq_enable != 0 && (nes.GetIrqType() == (int)NES.IRQMETHOD.IRQ_HSYNC))
{
if (irq_counter <= 113)
{
nes.cpu.SetIRQ(IRQ_MAPPER);
// nes.cpu.IRQ();
//// nes.cpu.IRQ_NotPending();
// irq_enable = 0;
// irq_counter = 0;
irq_counter &= 0xFFFF;
}
else
{
irq_counter -= 113;
}
}
}
public override void Clock(int cycles)
{
if (irq_enable != 0 && (nes.GetIrqType() == (int)NES.IRQMETHOD.IRQ_CLOCK))
{
if ((irq_counter -= cycles) <= 0)
{
nes.cpu.SetIRQ(IRQ_MAPPER);
// nes.cpu.IRQ();
//// nes.cpu.IRQ_NotPending();
// irq_enable = 0;
// irq_counter = 0;
irq_counter &= 0xFFFF;
}
}
}
public unsafe override void SaveState(byte[] buffer)
{
fixed (byte* p = buffer)
{
p[0] = reg[0];
p[1] = reg[1];
p[2] = reg[2];
p[3] = irq_enable;
*(INT*)&p[4] = irq_counter;
*(INT*)&p[8] = irq_latch;
if (eeprom_type == 0)
{
x24c01.Save(&p[16]);
}
else
if (eeprom_type == 1)
{
x24c02.Save(&p[16]);
}
else
if (eeprom_type == 2)
{
x24c02.Save(&p[16]);
x24c01.Save(&p[48]);
}
}
}
public unsafe override void LoadState(byte[] buffer)
{
fixed (byte* p = buffer)
{
reg[0] = p[0];
reg[1] = p[1];
reg[2] = p[2];
irq_enable = p[3];
irq_counter = *(INT*)&p[4];
irq_latch = *(INT*)&p[8];
if (eeprom_type == 0)
{
x24c01.Load(&p[16]);
}
else
if (eeprom_type == 1)
{
//x24c02.Load(&p[16]);
x24c02.Load(p + 16);
}
else
if (eeprom_type == 2)
{
//x24c02.Load(&p[16]);
//x24c01.Load(&p[48]);
x24c02.Load(p+16);
x24c01.Load(p+48);
}
}
}
public override bool IsStateSave()
{
return true;
}
}
}