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commodore64: 6510 hard reset now loads startup vector AFTER banks are initialized, more carts start up now

This commit is contained in:
saxxonpike 2012-12-01 10:42:46 +00:00
parent d951094e6d
commit d734d0f44f
2 changed files with 4 additions and 6 deletions
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2
BizHawk.Emulation/Computers/Commodore64/C64.Core.cs
View File

@ -192,8 +192,8 @@ namespace BizHawk.Emulation.Computers.Commodore64
cia0.HardReset();
cia1.HardReset();
colorRam.HardReset();
cpu.HardReset();
pla.HardReset();
cpu.HardReset();
ram.HardReset();
sid.HardReset();
vic.HardReset();

8
BizHawk.Emulation/Computers/Commodore64/MOS/MOS6510.cs
View File

@ -42,8 +42,8 @@ namespace BizHawk.Emulation.Computers.Commodore64.MOS
cpu.WriteMemory = Write;
// configure data port defaults
portDir = 0xEF;
SetPortData(0x37);
portDir = 0x00;
SetPortData(0x1F);
// todo: verify this value (I only know that unconnected bits fade after a number of cycles)
unusedPinTTLCycles = 40;
@ -181,7 +181,6 @@ namespace BizHawk.Emulation.Computers.Commodore64.MOS
set
{
byte val = Port.CPUWrite(PortData, value, portDir);
Console.WriteLine("CPU write DTA: val=" + C64Util.ToBinary(value, 8) + " dir=" + C64Util.ToBinary(portDir, 8) + " new=" + C64Util.ToBinary(val, 8));
SetPortData(val);
}
}
@ -191,7 +190,6 @@ namespace BizHawk.Emulation.Computers.Commodore64.MOS
get { return portDir; }
set
{
Console.WriteLine("CPU write DIR: val=" + C64Util.ToBinary(value, 8));
SetPortDir(value);
}
}
@ -215,7 +213,7 @@ namespace BizHawk.Emulation.Computers.Commodore64.MOS
private void SetPortDir(byte val)
{
portDir = val;
SetPortData((byte)(PortData | ((byte)~val & 0x1F)));
//SetPortData((byte)(PortData | ((byte)~val & 0x1F)));
}
// ------------------------------------