public Emulator()
{
CPU = new YCPU();
CPU.BUS.Reset();
CPU.BUS.AddDevice(new GraphicsAdapter(CPU.BUS), 1);
CPU.BUS.AddDevice(new KeyboardDevice(CPU.BUS), 2);
CPU.BUS.SetRAM(0x20000);
CPU.BUS.SetROM(0x04000);
CPU.Interrupt_Reset();
}
private string[] Disassemble(BinaryReader reader)
{
YCPU ycpu = new YCPU();
byte[] data = new byte[reader.BaseStream.Length];
reader.BaseStream.Read(data, 0, data.Length);
ycpu.BUS.FillROM(data);
string[] disassembled;
disassembled = ycpu.Disassemble(0x0000, 32000, false);
return(disassembled);
}
public void UpdateConsole()
{
m_Curses.Clear();
YCPU cpu = m_Emulator.CPU;
// registers - general purpose, then system.
ConsoleWrite(0, 0, DateTime.Now.ToString());
int r_y = 2;
ConsoleWrite(53, r_y - 1, "Registers");
ConsoleWrite(53, r_y + 1, $"r0: ${cpu.R0:X4}");
ConsoleWrite(53, r_y + 2, $"r1: ${cpu.R1:X4}");
ConsoleWrite(53, r_y + 3, $"r2: ${cpu.R2:X4}");
ConsoleWrite(53, r_y + 4, $"r3: ${cpu.R3:X4}");
ConsoleWrite(53, r_y + 5, $"r4: ${cpu.R4:X4}");
ConsoleWrite(53, r_y + 6, $"r5: ${cpu.R5:X4}");
ConsoleWrite(53, r_y + 7, $"r6: ${cpu.R6:X4}");
ConsoleWrite(53, r_y + 8, $"r7: ${cpu.R7:X4}");
ConsoleWrite(53, r_y + 10, $"fl: ${cpu.FL:X4}");
ConsoleWrite(53, r_y + 11, $"pc: ${cpu.PC:X4}");
ConsoleWrite(53, r_y + 12, $"ps: ${cpu.PS:X4}");
ConsoleWrite(52, r_y + 13, $"usp: ${cpu.USP:X4}");
ConsoleWrite(52, r_y + 14, $"ssp:*${cpu.SSP:X4}");
ConsoleWrite(53, r_y + 16, "ps bits:");
ConsoleWrite(53, r_y + 17,
$"{(cpu.PS_S ? "S" : "-")}{(cpu.PS_M ? "M" : "-")}{(cpu.PS_H ? "H" : "-")}{(cpu.PS_I ? "I" : "-")} {(cpu.PS_Q ? "Q" : "-")}{(cpu.PS_U ? "U" : "-")}{(cpu.PS_V ? "V" : "-")}{(cpu.PS_W ? "W" : "-")}");
ConsoleWrite(53, r_y + 18, "fl bits:");
ConsoleWrite(53, r_y + 19,
$"{(cpu.FL_N ? "N" : "-")}{(cpu.FL_Z ? "Z" : "-")}{(cpu.FL_C ? "C" : "-")}{(cpu.FL_V ? "V" : "-")}");
ConsoleWrite(53, r_y + 25, "Segments:");
ConsoleWrite(53, r_y + 26, "CS " + ConsoleSegmentRegisterString(cpu.CS));
ConsoleWrite(53, r_y + 27, "DS " + ConsoleSegmentRegisterString(cpu.DS));
ConsoleWrite(53, r_y + 28, "ES " + ConsoleSegmentRegisterString(cpu.ES));
ConsoleWrite(53, r_y + 29, "SS " + ConsoleSegmentRegisterString(cpu.SS));
ConsoleWrite(53, r_y + 30, "IS " + ConsoleSegmentRegisterString(cpu.IS));
// disassembly
ConsoleWrite(2, r_y - 1, "Disassembly");
string[] disasm = cpu.Disassemble(cpu.PC, 21, true);
for (int i = 0; i < 21; i += 1)
{
ConsoleWrite(2, r_y + i + 1, disasm[i] + new string(' ', 50 - disasm[i].Length));
}
ConsoleWrite(1, 3, ">");
ConsoleWrite(2, 25, $"{cpu.Cycles} Cycles total");
ConsoleWrite(2, 27, "Ctrl-L: Load debug console program");
ConsoleWrite(2, 28, "Ctrl-R: Run at 10 khz");
ConsoleWrite(2, 29, "Ctrl-B: Break");
ConsoleWrite(2, 30, "Ctrl-N: Run one instruction");
ConsoleWrite(2, 31, "Ctrl-M: Run approximately 100 million cycles");
ConsoleWrite(2, 32, "Ctrl-T: Reset interrupt");
if (m_MS != 0)
{
ConsoleWrite(2, 34, m_MS.ToString());
}
}
