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c64- connect CIA2 port A and B to MemBus

This commit is contained in:
saxxonpike 2012-11-03 14:23:44 +00:00
parent d783e439bb
commit bb2fafec63
2 changed files with 24 additions and 1 deletions
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6
BizHawk.Emulation/Computers/Commodore64/C64.core.cs
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@ -44,12 +44,16 @@ namespace BizHawk.Emulation.Computers.Commodore64
// initialize memory (this must be done AFTER all other chips are initialized)
string romPath = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.Desktop), "C64Kernal");
mem = new MemoryBus(romPath, vic, sid, cia1, cia2);
cia2.ReadPortA = mem.CIA2ReadPortA;
cia2.ReadPortB = mem.CIA2ReadPortB;
cia2.WritePortA = mem.CIA2WritePortA;
cia2.WritePortB = mem.CIA2WritePortB;
// initialize media
Cartridge cart = new Cartridge(inputFile);
if (cart.valid)
{
//mem.ApplyCartridge(cart);
mem.ApplyCartridge(cart);
}
// initialize cpu (hard reset vector)

19
BizHawk.Emulation/Computers/Commodore64/MemBus.cs
View File

@ -58,6 +58,7 @@ namespace BizHawk.Emulation.Computers.Commodore64
// ram
public byte[] colorRam;
public byte[] ram;
public int vicOffset;
// registers
public byte busData;
@ -100,6 +101,24 @@ namespace BizHawk.Emulation.Computers.Commodore64
UpdateLayout();
}
public byte CIA2ReadPortA()
{
return 0;
}
public byte CIA2ReadPortB()
{
return 0;
}
public void CIA2WritePortA(byte val, byte direction)
{
}
public void CIA2WritePortB(byte val, byte direction)
{
}
public MemoryBusDesignation GetDesignation(ushort addr)
{
MemoryBusDesignation result;