NESE - An NES emulator
How to use
nese [path-to-ines-file]
Pre-built binaries
- Go to Action > Build and Upload Artifacts > Artifacts
Things that worked
- CPU (No invalid op codes)
- PPU (Sprite and Background rendering)
- Control
- CHR Ram (even on mapper 0)
- Saves
Things that not worked
- iNes 2.0
Super mario brothers (IDK why) (CMP set flags fault)Tetris (BG not render while playing) (forgot to implement single screen mirroring)- Audio (I got no idea how audio work)
Default Control
Debug feature
| Button |
Feature |
| F2 |
Play & Pause the emulator |
| F3 |
Step frame |
| F4 |
Print PPU debug info to console |
| F5 |
Enable logging (slow the emulator down dramatically) |
| F6 |
Draw 2 pattern table on screen |
| F7 |
Fast forward |
Player 1
| Key |
Button |
| A |
Space |
| B |
LShift |
| Select |
LCtrl |
| Start |
E |
| Up |
W |
| Down |
S |
| Left |
A |
| Right |
D |
Player 2
| Key |
Button |
| A |
J |
| B |
K |
| Select |
L |
| Start |
/ |
| Up |
↑ |
| Down |
↓ |
| Left |
→ |
| Right |
← |
Currently supported mappers
- Mapper 0
- Mapper 1
- Mapper 2
- Mapper 3
- Mapper 4 (Very buggy, idk why)
How to build
This project used zig 0.12.0
References