ShuriZma
/
BizHawk
mirror of https://github.com/TASEmulators/BizHawk.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Fix mapper 112

This commit is contained in:
alyosha-tas 2017-06-06 07:53:33 -04:00 committed by GitHub
parent 7d9b878d5f
commit 27fd41a5d2
1 changed files with 19 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

26
BizHawk.Emulation.Cores/Consoles/Nintendo/NES/Boards/Namcot1xx/Mapper112.cs
View File

@ -1,18 +1,19 @@
using BizHawk.Common;
using System;
namespace BizHawk.Emulation.Cores.Nintendo.NES
{
public sealed class Mapper112 : NES.NESBoardBase
{
//configuration
int prg_bank_mask_8k, chr_bank_mask_1k;
int prg_bank_mask_8k, chr_bank_mask_1k, chr_outer_reg;
//state
int reg_addr;
ByteBuffer regs = new ByteBuffer(8);
//volatile state
ByteBuffer chr_regs_1k = new ByteBuffer(8);
IntBuffer chr_regs_1k = new IntBuffer(8);
ByteBuffer prg_regs_8k = new ByteBuffer(4);
public override bool Configure(NES.EDetectionOrigin origin)
@ -48,12 +49,13 @@ namespace BizHawk.Emulation.Cores.Nintendo.NES
base.SyncState(ser);
ser.Sync("reg_addr", ref reg_addr);
ser.Sync("regs", ref regs);
ser.Sync("chr_outer_Reg", ref chr_outer_reg);
Sync();
}
public override void WritePRG(int addr, byte value)
{
//Console.WriteLine("{0:X4} = {1:X2}", addr, value);
switch (addr & 0x6001)
{
case 0x0000: //$8000
@ -63,6 +65,11 @@ namespace BizHawk.Emulation.Cores.Nintendo.NES
regs[reg_addr] = value;
Sync();
break;
case 0x4000:
Console.WriteLine("{0:X4} = {1:X2}", addr, value);
chr_outer_reg = value;
Sync();
break;
case 0x6000:
if ((value & 1) == 0)
{
@ -88,14 +95,19 @@ namespace BizHawk.Emulation.Cores.Nintendo.NES
byte r1_0 = (byte)(regs[3] & ~1);
byte r1_1 = (byte)(regs[3] | 1);
int temp4 = (chr_outer_reg & 0x10) << 4;
int temp5 = (chr_outer_reg & 0x20) << 3;
int temp6 = (chr_outer_reg & 0x40) << 2;
int temp7 = (chr_outer_reg & 0x80) << 1;
chr_regs_1k[0] = r0_0;
chr_regs_1k[1] = r0_1;
chr_regs_1k[2] = r1_0;
chr_regs_1k[3] = r1_1;
chr_regs_1k[4] = regs[4];
chr_regs_1k[5] = regs[5];
chr_regs_1k[6] = regs[6];
chr_regs_1k[7] = regs[7];
chr_regs_1k[4] = temp4 | regs[4];
chr_regs_1k[5] = temp5 | regs[5];
chr_regs_1k[6] = temp6 | regs[6];
chr_regs_1k[7] = temp7 | regs[7];
}
public int Get_PRGBank_8K(int addr)