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Cp1610 trace logger 

WIP
This commit is contained in:
alyosha-tas 2016-11-12 12:58:10 -05:00 committed by GitHub
parent 7bff28bdee
commit c230609656
2 changed files with 50 additions and 19 deletions
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65
BizHawk.Emulation.Cores/CPUs/CP1610/CP1610.Execute.cs
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@ -1,4 +1,5 @@
using System;
using BizHawk.Emulation.Common;
using System;
namespace BizHawk.Emulation.Cores.Components.CP1610
{
@ -13,6 +14,31 @@ namespace BizHawk.Emulation.Cores.Components.CP1610
private const string UNEXPECTED_BEXT = "BEXT is an unexpected behavior; Intellivision not connected to the External"
+ " Branch Condition Address pins (EBCA0-EBCA3).";
public int opcode;
public TraceInfo CP1610State(bool disassemble = true)
{
int notused;
return new TraceInfo
{
Disassembly = string.Format(
"{0:X4}: {1:X2} {2} ",
RegisterPC,
opcode,
disassemble ? Disassemble(RegisterPC, out notused) : "---").PadRight(26),
RegisterInfo = string.Format(
"Cy:{0} {1}{2}{3}{4}{5}{6}",
TotalExecutedCycles,
FlagS ? "S" : "s",
FlagC ? "C" : "c",
FlagZ ? "Z" : "z",
FlagO ? "O" : "o",
FlagI ? "I" : "i",
FlagD ? "D" : "d")
};
}
private void Calc_FlagC(int result)
{
FlagC = ((result & 0x10000) != 0);
@ -139,7 +165,10 @@ namespace BizHawk.Emulation.Cores.Components.CP1610
//int ones, carry;
bool branch = false;
bool FlagD_prev = FlagD;
int opcode = ReadMemory(RegisterPC++) & 0x3FF;
opcode = ReadMemory(RegisterPC++) & 0x3FF;
if (TraceCallback != null)
TraceCallback(CP1610State());
switch (opcode)
{
case 0x000: // HLT
@ -1464,22 +1493,22 @@ namespace BizHawk.Emulation.Cores.Components.CP1610
case 0x305:
case 0x306:
case 0x307:
throw new NotImplementedException();
//dest = (byte)(opcode & 0x7);
//addr = ReadMemory(RegisterPC++);
//dest_value = Register[dest];
//addr_read = ReadMemory(addr);
//twos = (0xFFFF ^ addr_read) + 1;
//result = dest_value + twos;
//Calc_FlagC(result);
//Calc_FlagO_Add(dest_value, addr_read, result);
//result &= 0xFFFF;
//Calc_FlagS(result);
//Calc_FlagZ(result);
//Register[dest] = (ushort)result;
//cycles = 10;
//Interruptible = true;
//break;
// -------------------------------needs testing-------------------------------
dest = (byte)(opcode & 0x7);
addr = ReadMemory(RegisterPC++);
dest_value = Register[dest];
addr_read = ReadMemory(addr);
twos = (0xFFFF ^ addr_read) + 1;
result = dest_value + twos;
Calc_FlagC(result);
Calc_FlagO_Add(dest_value, addr_read, result);
result &= 0xFFFF;
Calc_FlagS(result);
Calc_FlagZ(result);
Register[dest] = (ushort)result;
cycles = 10;
Interruptible = true;
break;
// SUB@
case 0x308:
case 0x309:

4
BizHawk.Emulation.Cores/CPUs/CP1610/CP1610.cs
View File

@ -20,7 +20,7 @@ namespace BizHawk.Emulation.Cores.Components.CP1610
{
get
{
return "TODO";
return "CP1610: PC, machine code, mnemonic, operands, flags (SCZOID)";
}
}
@ -109,5 +109,7 @@ namespace BizHawk.Emulation.Cores.Components.CP1610
// Log.WriteLine("MSYNC = {0}", MSync);
Log.Flush();
}
}
}