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Fix Super mario bros 8

This commit is contained in:
alyosha-tas 2016-09-13 15:23:05 -04:00 committed by GitHub
parent a96fb11b1d
commit c6a319763f
1 changed files with 27 additions and 11 deletions
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38
BizHawk.Emulation.Cores/Consoles/Nintendo/NES/Boards/Mapper222.cs
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@ -3,6 +3,7 @@ using System.Collections.Generic;
using System.Linq;
using System.Text;
using BizHawk.Common;
using BizHawk.Common.NumberExtensions;
namespace BizHawk.Emulation.Cores.Nintendo.NES
{
@ -51,18 +52,32 @@ namespace BizHawk.Emulation.Cores.Nintendo.NES
prg[1] = value & prg_bank_mask_8k;
break;
case 0x7000:
case 0x7001:
//case 0x7001:
// this is of course sort of VRC like... except it doesn't work right
irq_time = (256 - value) * 113;
irq_time = value;
IRQSignal = false;
irq_counting = false;
irq_counting = true;
if (value == 0)
irq_counting = false;
Console.WriteLine("IRQ Set\\Ack: SL {0} val {1}", NES.ppu.ppur.status.sl, value);
break;
case 0x7002:
irq_counting = true;
Console.WriteLine("IRQ GO: SL {0} val {1}", NES.ppu.ppur.status.sl, value);
break;
//case 0x7002:
//irq_counting = true;
//Console.WriteLine("IRQ GO: SL {0} val {1}", NES.ppu.ppur.status.sl, value);
//break;
case 0x1000: SetMirrorType(!value.Bit(0) ? EMirrorType.Vertical : EMirrorType.Horizontal);break;
case 0x3000: chr[0] = value & chr_bank_mask_1k; ; break;
case 0x3002: chr[1] = value & chr_bank_mask_1k; ; break;
case 0x4000: chr[2] = value & chr_bank_mask_1k; ; break;
case 0x4002: chr[3] = value & chr_bank_mask_1k; ; break;
case 0x5000: chr[4] = value & chr_bank_mask_1k; ; break;
case 0x5002: chr[5] = value & chr_bank_mask_1k; ; break;
case 0x6000: chr[6] = value & chr_bank_mask_1k; ; break;
case 0x6002: chr[7] = value & chr_bank_mask_1k; ; break;
}
/*
if (addr >= 0x3000 && addr < 0x7000)
{
int b = (addr >> 11) - 6;
@ -72,7 +87,7 @@ namespace BizHawk.Emulation.Cores.Nintendo.NES
chr[b] = (chr[b] & 0x0f | value << 4) & chr_bank_mask_1k;
else
chr[b] = (chr[b] & 0xf0 | value & 0x0f) & chr_bank_mask_1k;
}
}*/
}
public override byte ReadPRG(int addr)
@ -92,11 +107,12 @@ namespace BizHawk.Emulation.Cores.Nintendo.NES
{
if (irq_counting)
{
irq_time--;
if (irq_time == 0)
irq_time++;
if (irq_time >= 240)
{
irq_counting = false;
//irq_counting = false;
IRQSignal = true;
//irq_time = 0;
Console.WriteLine("IRQ TRIG: SL {0}", NES.ppu.ppur.status.sl);
}
}