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

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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
BizHawk.Emulation/Consoles/Nintendo/NES/Boards/Sunsoft1.cs
View File

@ -25,6 +25,8 @@ Other chips used: Sunsoft-1
class Sunsoft1 : NES.NESBoardBase class Sunsoft1 : NES.NESBoardBase
{ {
int prg, chr; int prg, chr;
int left_piece = 0;
int right_piece = 3;
public override bool Configure(NES.EDetectionOrigin origin) public override bool Configure(NES.EDetectionOrigin origin)
{ {
@ -43,8 +45,8 @@ Other chips used: Sunsoft-1
public override byte ReadPPU(int addr) public override byte ReadPPU(int addr)
{ {
int left_piece = 0; left_piece &= 3;
int right_piece = 3; right_piece &= 3;
if (addr < 0x1000) if (addr < 0x1000)
{ {
@ -57,6 +59,13 @@ Other chips used: Sunsoft-1
return base.ReadPPU(addr); 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);
}
} }
} }