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nes-add some crappy mmc3 multicart mappers

This commit is contained in:
zeromus 2012-03-06 09:42:11 +00:00
parent 8e829faa03
commit ed9de010c0
7 changed files with 137 additions and 4 deletions
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2
BizHawk.Emulation/BizHawk.Emulation.csproj
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@ -116,6 +116,8 @@
<Compile Include="Consoles\Nintendo\NES\Boards\Mapper078.cs" />
<Compile Include="Consoles\Nintendo\NES\Boards\MMC3_family\DRROM.cs" />
<Compile Include="Consoles\Nintendo\NES\Boards\MMC3_family\HKROM.cs" />
<Compile Include="Consoles\Nintendo\NES\Boards\MMC3_family\Mapper044.cs" />
<Compile Include="Consoles\Nintendo\NES\Boards\MMC3_family\Mapper049.cs" />
<Compile Include="Consoles\Nintendo\NES\Boards\MMC3_family\Mapper095.cs" />
<Compile Include="Consoles\Nintendo\NES\Boards\MMC3_family\Mapper206.cs" />
<Compile Include="Consoles\Nintendo\NES\Boards\MMC3_family\MMC3_family.cs" />

6
BizHawk.Emulation/Consoles/Nintendo/Docs/compatibility.txt
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@ -38,12 +38,12 @@ Open bus and bus conflict emulation is not considered complete or thorough in an
032 Irem_G101 Complete
033 Taito Complete
034 Misc Complete
044 Multicart Junk
044 Multicart Complete
045 Multicart Junk
046 Multicart Junk
047 MMC3Multi Decent
048 MMC3Variant Decent
049 Multicart Junk
049 Multicart Complete
050 Pirate Junk
052 Multicart Junk
057 Multicart Junk
@ -67,7 +67,7 @@ Open bus and bus conflict emulation is not considered complete or thorough in an
077 Misc (J) Complete
078 Misc Complete
079 NINA-06 Complete
080 Misc (J) Nothing
080 Misc (J) Good
082 Misc (J) Nothing
085 VRC7 Decent (no OPL sound)
086 Misc (J) Decent (no sound)

1
BizHawk.Emulation/Consoles/Nintendo/NES/Boards/MMC3_family/MMC3_family.cs
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@ -173,6 +173,7 @@ namespace BizHawk.Emulation.Consoles.Nintendo
//wram enable/protect
wram_write_protect = value.Bit(6);
wram_enable = value.Bit(7);
Console.WriteLine("wram_write_protect={0},wram_enable={1}", wram_write_protect, wram_enable);
break;
case 0x4000: //$C000 - IRQ Reload value
irq_reload = value;

64
BizHawk.Emulation/Consoles/Nintendo/NES/Boards/MMC3_family/Mapper044.cs Normal file
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@ -0,0 +1,64 @@
using System;
using System.IO;
using System.Diagnostics;
namespace BizHawk.Emulation.Consoles.Nintendo
{
//http://wiki.nesdev.com/w/index.php/INES_Mapper_044
public class Mapper044 : MMC3Board_Base
{
public override bool Configure(NES.EDetectionOrigin origin)
{
//analyze board type
switch (Cart.board_type)
{
case "MAPPER044":
break;
default:
return false;
}
BaseSetup();
return true;
}
public override void SyncState(Serializer ser)
{
base.SyncState(ser);
ser.Sync("block_select", ref block_select);
}
int block_select;
public override void WritePRG(int addr, byte value)
{
base.WritePRG(addr, value);
switch (addr & 0x6001)
{
case 0x2001: //$A001
block_select = value & 0x7;
break;
}
}
static readonly int[] PRG_AND = new int[] {0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x0f };
static readonly int[] PRG_OR = new int[] { 0x00, 0x10, 0x20, 0x30, 0x40, 0x50, 0x60, 0x60 };
static readonly int[] CHR_AND = new int[] { 0x7F, 0x7F, 0x7F, 0x7F, 0x7F, 0x7F, 0x7F, 0x7f };
static readonly int[] CHR_OR = new int[] { 0x000, 0x080, 0x100, 0x180, 0x200, 0x280, 0x300, 0x300 };
protected override int Get_PRGBank_8K(int addr)
{
int bank_8k = mapper.Get_PRGBank_8K(addr);
return (bank_8k & PRG_AND[block_select]) | PRG_OR[block_select];
}
protected override int Get_CHRBank_1K(int addr)
{
int bank_1k = base.Get_CHRBank_1K(addr);
return (bank_1k & CHR_AND[block_select]) | CHR_OR[block_select];
}
}
}

64
BizHawk.Emulation/Consoles/Nintendo/NES/Boards/MMC3_family/Mapper049.cs Normal file
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@ -0,0 +1,64 @@
using System;
using System.IO;
using System.Diagnostics;
namespace BizHawk.Emulation.Consoles.Nintendo
{
//http://wiki.nesdev.com/w/index.php/INES_Mapper_044
public class Mapper049 : MMC3Board_Base
{
public override bool Configure(NES.EDetectionOrigin origin)
{
//analyze board type
switch (Cart.board_type)
{
case "MAPPER049":
break;
default:
return false;
}
BaseSetup();
block = prg = 0;
mode = false;
return true;
}
public override void SyncState(Serializer ser)
{
base.SyncState(ser);
ser.Sync("block", ref block);
ser.Sync("prg", ref prg);
ser.Sync("mode", ref mode);
}
int block, prg;
bool mode;
public override void WriteWRAM(int addr, byte value)
{
if (!mmc3.wram_enable || mmc3.wram_write_protect) return;
mode = value.Bit(0);
prg = (value >> 4) & 3;
block = (value >> 6) & 3;
Console.WriteLine("val={3}, addr={4}, prg={0},mode={1},block={2}", prg, mode, block, value, addr);
base.WriteWRAM(addr, value);
}
protected override int Get_PRGBank_8K(int addr)
{
if (mode)
return (mapper.Get_PRGBank_8K(addr)&0xF) + block * (128 / 8);
int block_offset = addr >> 13;
return prg * 4 + block_offset;
}
protected override int Get_CHRBank_1K(int addr)
{
return (base.Get_CHRBank_1K(addr)&0x7F) + block * 128;
}
}
}

2
BizHawk.Emulation/Consoles/Nintendo/NES/Core.cs
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@ -12,7 +12,7 @@ namespace BizHawk.Emulation.Consoles.Nintendo
public partial class NES : IEmulator
{
//hardware/state
protected MOS6502 cpu;
public MOS6502 cpu;
int cpu_accumulate; //cpu timekeeper
public PPU ppu;
public APU apu;

2
BizHawk.Emulation/Consoles/Nintendo/NES/iNES.cs
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@ -95,6 +95,8 @@ static string ClassifyTable = @"
7 256 0 8 8 NES-AOROM; battletoads
11 -1 -1 -1 -1 Discrete_74x377-FLEX; Bible Adventures (U) ?
13 32 0 8 16 NES-CPROM; videomation
44 -1 -1 -1 -1 MAPPER044
49 -1 -1 -1 -1 MAPPER049
65 -1 -1 -1 -1 IREM-H3001-FLEX; //Ai Sensei No Oshiete - Watashi No Hoshi (J).nes
66 64 16 8 0 NES-MHROM; super mario bros / duck hunt
66 128 32 8 0 NES-GNROM; gumshoe