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Implement Sunsoft1 (mapper 184)

This commit is contained in:
andres.delikat 2011-04-17 20:20:49 +00:00
parent e4543720d1
commit d952e21463
1 changed files with 12 additions and 3 deletions
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15
BizHawk.Emulation/Consoles/Nintendo/NES/Boards/Sunsoft1.cs
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@ -25,6 +25,8 @@ Other chips used: Sunsoft-1
class Sunsoft1 : NES.NESBoardBase
{
int prg, chr;
int left_piece = 0;
int right_piece = 3;
public override bool Configure(NES.EDetectionOrigin origin)
{
@ -43,8 +45,8 @@ Other chips used: Sunsoft-1
public override byte ReadPPU(int addr)
{
int left_piece = 0;
int right_piece = 3;
left_piece &= 3;
right_piece &= 3;
if (addr < 0x1000)
{
@ -57,6 +59,13 @@ Other chips used: Sunsoft-1
return base.ReadPPU(addr);
}
public override void WriteWRAM(int addr, byte value)
{
left_piece = value & 7;
right_piece = (value & 127) / 16;
Debug.Assert(left_piece < 8);
Debug.Assert(right_piece < 8);
}
}
}