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Start Mapper 46, could not get the gamedb.txt entry to work properly

This commit is contained in:
adelikat 2012-03-09 02:57:04 +00:00
parent 2dd03cbf03
commit 5655262df6
3 changed files with 92 additions and 0 deletions
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1
BizHawk.Emulation/BizHawk.Emulation.csproj
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@ -118,6 +118,7 @@
<Compile Include="Consoles\Nintendo\NES\Boards\Mapper240.cs" />
<Compile Include="Consoles\Nintendo\NES\Boards\Mapper242.cs" />
<Compile Include="Consoles\Nintendo\NES\Boards\Mapper078.cs" />
<Compile Include="Consoles\Nintendo\NES\Boards\Mapper046.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" />

90
BizHawk.Emulation/Consoles/Nintendo/NES/Boards/Mapper046.cs Normal file
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@ -0,0 +1,90 @@
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace BizHawk.Emulation.Consoles.Nintendo
{
class Mapper046 : NES.NESBoardBase
{
//Rumblestation 15-in-1 (Unl).nes
//TODO: WHy does the gamedb entry fail?
/*
Regs at $6000-7FFF means no PRG-RAM.
$6000-7FFF: [CCCC PPPP] High CHR, PRG bits
$8000-FFFF: [.CCC ...P] Low CHR, PRG bits
'C' selects 8k CHR @ $0000
'P' select 32k PRG @ $8000
*/
//configuration
int prg_bank_mask_32k, chr_bank_mask_8k;
//state
int prg_bank_32k_H, prg_bank_32k_L,
chr_bank_8k_H, chr_bank_8k_L;
public override void WriteWRAM(int addr, byte value)
{
prg_bank_32k_H = value & 0x0F;
chr_bank_8k_H = value >> 4;
}
public override void WritePRG(int addr, byte value)
{
prg_bank_32k_L = value & 0x01;
chr_bank_8k_L = (value >> 4) & 0x07;
}
public override byte ReadPPU(int addr)
{
if (addr < 0x2000)
{
//TODO: High bits
return VROM[addr + (chr_bank_8k_L * 0x2000)];
}
else return base.ReadPPU(addr);
}
public override byte ReadPRG(int addr)
{
//TODO: High bits
return ROM[addr + (prg_bank_32k_L * 0x8000)];
}
public override bool Configure(NES.EDetectionOrigin origin)
{
//configure
switch (Cart.board_type)
{
case "MAPPER046":
break;
default:
return false;
}
prg_bank_mask_32k = Cart.prg_size / 32 - 1;
chr_bank_mask_8k = Cart.chr_size / 8 - 1;
SetMirrorType(Cart.pad_h, Cart.pad_v);
prg_bank_32k_H = 0;
prg_bank_32k_L = 0;
chr_bank_8k_H = 0;
chr_bank_8k_L = 0;
return true;
}
public override void SyncState(Serializer ser)
{
base.SyncState(ser);
ser.Sync("prg_bank_32k_H", ref prg_bank_32k_H);
ser.Sync("prg_bank_32k_L", ref prg_bank_32k_L);
ser.Sync("chr_bank_8k_H", ref chr_bank_8k_H);
ser.Sync("chr_bank_8k_L", ref chr_bank_8k_L);
}
}
}

1
BizHawk.MultiClient/output/gamedb.txt
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@ -94,6 +94,7 @@ sha1:536D623BA02A622BDE8E2D7D514AE9785B5E0357 H Punch Out!! Kirby (Hack) (U) NES
sha1:334DCB823B480957057C2B4C72686BE26823C12A V Fighting Hero (Unl) NES board=Mapper193;PRG=128;CHR=256;WRAM=8
sha1:D09EF8127C64CBE817B45DF33C4D43E7B441E381 Final Fantasy V (Unl) NES board=Mapper164;PRG=512;CHR=0;WRAM=8;PRAM=8
sha1:92D9695FEB774F60965A8303CFE3E6AAEE7B7B62 Magic Dragon (Unl) NES board=Mapper107;PRG=128;CHR=64;WRAM=8;PAD_H=1
sha1:E2F19D010DE7FED40C2591C3966BA5A137935249 15-in-1 (Unl) NES board=Mapper046;PRG=128;CHR=64;WRAM=0
#include gamedb_neshomebrew.txt
#include gamedb_user.txt