private static void Watch(EmulatorSetup emulator)
{
Console.WriteLine("Cycle\tAddress\tData\tFetch\tPC\tIR\tExec\tTState\tA\tX\tY\tNV--DIZC");
Console.WriteLine("--------------------------------------------------------------------------------------------------");
foreach (var cpuCycleDump in emulator.CpuDump)
{
Console.WriteLine(cpuCycleDump);
}
Console.WriteLine("");
Console.WriteLine("Memory");
Console.WriteLine("------");
foreach (var address in emulator.MemoryDump)
{
byte data = emulator.GetMemoryByte(address);
Console.WriteLine($"${address:X4}: {data:X2}");
}
}
static void Main(string[] args)
{
Console.ForegroundColor = ConsoleColor.DarkGreen;
Console.WriteLine("6502 Emulator");
Console.WriteLine("-------------");
var emulator = new EmulatorSetup();
//http://visual6502.org/JSSim/expert.html?graphics=f&steps=40&loglevel=4&r=500&a=500&d=18A5106D43208D432018A924
// ---- Preset my test program
emulator.SetProgramStartAddress("0x500");
// string testPrg = "18,A5,10,6D,43,20,8D,43,20,18,A9,24";
string testPrg = "18 a9 55 29 05";
emulator.LoadProgramToMemory(testPrg);
emulator.SetMemoryByte(0x2043, 0x04);
emulator.SetMemoryByte(0x0010, 0xe8);
bool quit = false;
int cycle = 0;
bool debug = false;
while (!quit)
{
string cliInput = Console.ReadLine();
cliInput = cliInput.ToLower().Replace(" ", string.Empty);
string cliArgument = string.Empty;
switch (cliInput)
{
case "q":
case "quit":
if (debug)
{
debug = false;
}
else
{
quit = true;
}
break;
case "d":
case "debug":
Console.Write("Start address (hex): $");
cliArgument = Console.ReadLine();
if (!emulator.SetProgramStartAddress(cliArgument))
{
Console.WriteLine("Error! Address in wrong format.");
break;
}
debug = true;
cycle = 0;
break;
case "l":
case "load":
Console.Write("Start address (hex): $");
cliArgument = Console.ReadLine();
if (!emulator.SetProgramStartAddress(cliArgument))
{
Console.WriteLine("Error! Address in wrong format.");
break;
}
Console.Write("Program byte data: ");
cliArgument = Console.ReadLine();
if (!emulator.LoadProgramToMemory(cliArgument))
{
Console.WriteLine("Error! Program data could not be loaded.");
break;
}
break;
case "v":
case "view":
Console.Write("Start address (hex): $");
string viewStartAdr = Console.ReadLine();
Console.Write("End address (hex): $");
string viewEndAdr = Console.ReadLine();
break;
case "j":
case "help":
Console.Clear();
Console.Write("TODO: HELP");
break;
default:
if (debug)
{
string debugInfo = emulator.RunDebugCycle(cycle);
Console.Clear();
Watch(emulator);
Console.WriteLine(debugInfo);
cycle++;
}
else
{
Console.Clear();
Console.Write("Enter a command or enter 'help'.");
}
break;
}
}
}
