README.md

Intel 8080 CPU emulator in Go

This is my Intel 8080 CPU emulator, written in Go. I built it because computers are awesome, and it was a great excuse to also write an Intel 8080 CPU assembler.

Features

• ✅ Registers
• ✅ Memory
• ✅ Fetch/decode/execute cycle
• ✅ Assembler support

Instructions supported

• ✅ Move, load and store (84 instructions)
• ✅ Stack operations (13 instructions)
• ✅ Jump (10 instructions)
• ✅ Call (9 instructions)
• ✅ Return (9 instructions)
• ✅ Restart (8 instructions)
• ✅ Increment and decrement (22 instructions)
• ✅ Add (22 instructions)
• ✅ Subtract (18 instructions)
• ✅ Logical (36 instructions)
• ✅ Rotate (4 instructions)
• ✅ Specials (4 instructions)
• ✅ Input/output (2 instructions)
• ✅ Control (4 instructions)

Future enhancements

• Replace the memory locations in tests with labels once the assembler supports them.

Running tests

Run go test ./....