8-Bit CPU Emulator
CPU Architecture
- Word Size
- Data Width: 8 bits
- Address width: 16 bits
- Address space: 64 KB (0x0000- 0xFFFF)
Supported Instructions
| Instruction |
Syntax |
| MOV |
mov reg, imm |
| ADD |
add r1, r2 |
| SUB |
sub r1, r2 |
| JMP |
jmp addr |
| JZ |
jz addr |
| JNZ |
jnz addr |
| HLT (Halt) |
hlt |
Registers
| Register |
Size |
Description |
| A |
8-bit |
General |
| B |
8-bit |
General |
| C |
8-bit |
General |
| D |
8-bit |
General |
| PC |
16-bit |
Program Counter |
| SP |
16-bit |
Stack pointer (unused for now) |
Flags
| Flag |
Description |
| Z |
Zero Flag |
| C |
Carry/Borrow |
Usage
cargo run -- --f <examples/filename.asc>
Todo