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# 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
```bash
cargo run -- --f <examples/filename.asc>
```
## Todo
- [ ] Assembler
- [x] Lexer/Tokenizer
- [ ] Add label support (supporting JMP/JZ/JNZ)
- [ ] Error handling
- [ ] Build Debugger
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