885 B
885 B
A Z80 Disassembler
The purpose of this project is to disassemble Z80 machine code as usable string.
TODO
- Basic Disassembly
- Extended Instructions Support
- IX Instructions Support
- IY Instructions Support
- Unit Testing
About the Z80 Instruction Set
The Z80 CPU has 158 different instruction types including the 78 8080A instructions.
Instruction Types
They are categorized into:
- Load and Exchange
- Block Transfer and Search
- Arithmetic and Logical
- Rotate and Shift
- Bit Manipulation
- Jump, Call, and Return
- Input/Output
- CPU Control
Addressing Modes
- Immediate
- Immediate Extended
- Modified Page Zero
- Relative
- Extended
- Indexed Addressing
- Register
- Implied
- Register Indirect
- Bit
or a combination of any two modes.
Registers
| Accumulators | Flags |
|---|---|
| A | F |
| B | C |
| D | E |
| H | L |