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ADD irem_tam-s1.CS

This commit is contained in:
andres.delikat 2011-09-21 11:19:16 +00:00
parent 6e67055b16
commit c803b81345
1 changed files with 84 additions and 0 deletions
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BizHawk.Emulation/Consoles/Nintendo/NES/Boards/IREM_TAM_S1.cs Normal file
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace BizHawk.Emulation.Consoles.Nintendo
{
//iNES Mapper 97
//Kaiketsu Yanchamaru (Kid Niki 1)
class IREM_TAM_S1 : NES.NESBoardBase
{
int prg_bank_mask_16k;
byte prg_bank_16k;
ByteBuffer prg_banks_16k = new ByteBuffer(2);
public override bool Configure(NES.EDetectionOrigin origin)
{
switch (Cart.board_type)
{
case "IREM-TAM-S1":
break;
default:
return false;
}
SetMirrorType(Cart.pad_h, Cart.pad_v);
prg_bank_mask_16k = (Cart.prg_size / 16) - 1;
prg_banks_16k[1] = 0xFF;
return true;
}
public override void Dispose()
{
prg_banks_16k.Dispose();
base.Dispose();
}
public override void SyncState(Serializer ser)
{
base.SyncState(ser);
ser.Sync("prg_bank_mask_16k", ref prg_bank_mask_16k);
ser.Sync("prg_bank_16k", ref prg_bank_16k);
ser.Sync("prg_banks_16k", ref prg_banks_16k);
}
void SyncPRG()
{
prg_banks_16k[0] = prg_bank_16k;
}
public override void WritePRG(int addr, byte value)
{
prg_bank_16k = (byte)(value & 15);
SyncPRG();
int m = value >> 6;
switch (m)
{
case 0:
SetMirrorType(EMirrorType.OneScreenA);
break;
case 1:
SetMirrorType(EMirrorType.Horizontal);
break;
case 2:
SetMirrorType(EMirrorType.Vertical);
break;
case 3:
SetMirrorType(EMirrorType.OneScreenB);
break;
}
}
public override byte ReadPRG(int addr)
{
int bank_16k = addr >> 14;
int ofs = addr & ((1 << 14) - 1);
bank_16k = prg_banks_16k[bank_16k];
bank_16k &= prg_bank_mask_16k;
addr = (bank_16k << 14) | ofs;
return ROM[addr];
}
}
}