diff options
Diffstat (limited to 'Emulator')
| -rw-r--r-- | Emulator/Chip/Q1Cpu.cs | 8 | ||||
| -rw-r--r-- | Emulator/Program.cs | 16 |
2 files changed, 11 insertions, 13 deletions
diff --git a/Emulator/Chip/Q1Cpu.cs b/Emulator/Chip/Q1Cpu.cs index 16e1e14..d1fcf7a 100644 --- a/Emulator/Chip/Q1Cpu.cs +++ b/Emulator/Chip/Q1Cpu.cs @@ -5,8 +5,9 @@ using Assembler; public partial class Q1Cpu { - public const u16 StackStart = 0x2FFF; - public const u16 StackLength = 16 * 2; // 16 16-bit values + public const u16 StackStart = 0x2FFF; + public const u16 StackLength = 16 * 2; // 16 16-bit values + public const u16 ProgramStart = 0x1FFF; public Random Random; @@ -18,7 +19,6 @@ public partial class Q1Cpu public u16 PC { get; set; } // Program counter public u16[] V { get; set; } // Variable registers (64 total) - public u16 I { get; set; } // Index register public u16 Cycles { get; set; } // Number of cycles public Bus Bus { get; set; } @@ -38,7 +38,7 @@ public partial class Q1Cpu this.SP = Q1Cpu.StackStart; this.PushStack(0xFFFF); - this.I = 0; + this.PC = Q1Cpu.ProgramStart; } public void Clock() diff --git a/Emulator/Program.cs b/Emulator/Program.cs index cd6a8c0..3104fa9 100644 --- a/Emulator/Program.cs +++ b/Emulator/Program.cs @@ -20,9 +20,7 @@ internal class Program Bus bus = new(u16.MinValue, u16.MaxValue); RamDevice ram = new(0x1FFF, 1024 * 8); File.ReadAllBytes(options.InputFile).CopyTo(ram.Memory, 0); - - cpu.PC = ram.AddressableStart; - + DisplayDevice display = new(16, 64, 32, 0x3FFF); display.SetPalette([ Color.Red, @@ -55,13 +53,13 @@ internal class Program cpu.Reset(); while (!cpu.AbortRequested) { - for (int i = 0; i < 64; i++) - cpu.Clock(); - - Thread.Sleep(1); + // for (int i = 0; i < 64; i++) + // cpu.Clock(); + // + // Thread.Sleep(1); // - // cpu.Clock(); - // Thread.Sleep(1000); + cpu.Clock(); + Thread.Sleep(1000); } Console.WriteLine($"Exit code: 0x{cpu.V[0]:X4}"); }); |