Intel 8080 CPU emulator in Go

An Intel 8080 CPU emulator, written in Go. This project uses my Intel 8080 CPU assembler, especially for running tests.

Features

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

Instructions supported

• ✅ Move, load and store
• ✅ Stack operations
• ❌ Jump
• ❌ Call
• ❌ Return
• ❌ Restart
• ✅ Increment and decrement
• ✅ Add
• ❌ Subtract
• ❌ Logical
• ❌ Rotate
• ❌ Specials
• ❌ Input/output
• ❌ Control
• ❌ Interrupts

TODO

• ❌ Fix out-of-range errors when working at edge of 16-bit address space (POP H needs 0xFFFF+1 to work)
• ❌ Force some wantErr errors in the CPU and detect them

Running tests

Run go test ./....