jsmoo
Multi-system, pure JavaScript (& a little AssemblyScript) emulator, with great accuracy and speed. Currently some SNES, NES, GameBoy, Master System, ZX Spectrum, and GameGear support (by raddad772)
almost2
Almost ][ Apple ][ emulator written in javascript (by friol)
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| jsmoo | almost2 | |
|---|---|---|
| 31 | 1 | |
| 68 | 1 | |
| - | - | |
| 7.1 | 10.0 | |
| about 1 month ago | over 1 year ago | |
| JavaScript | JavaScript | |
| MIT License | GNU General Public License v3.0 only |
The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
jsmoo
Posts with mentions or reviews of jsmoo.
We have used some of these posts to build our list of alternatives
and similar projects. The last one was on 2023-12-06.
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Best compiler to write .nes cartridge ROMs for testing my own emulator?
If you really want to use it, I have a bad 65816 assembler at https://github.com/raddad772/jsmoo/blob/main/component/cpu/wdc65816/wdc65816_assembler.js . Just don’t switch it to 65816 mode and it should produce compatible code. I wrote it as a pile of hacks on top of each other and you still need to add an iNES header.
- Starting Game Boy emulator, need a little insight
- Snes, Nes, GameBoy and A26 emulator.
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Trouble with GB Joypad Input
If you want to really verify your CPU, check out https://github.com/raddad772/jsmoo/tree/b3807b55f03cdad2191810b2a770781d73c41870/misc/tests/GeneratedTests/sm83 , a set of 1000 tests per opcode, cycle by cycle, including read and write bus activity, in JSON format. It’s a bit of work to integrate them but there’s no better CPU test. Also you can generate more if you want to by using the code generation portion of the codebase. The only thing it doesn’t really test well is IRQ/halt stuff. It’s pretty common for folks to pass Blargg and still have things uncovered here. Usually things Blargg can’t test, or symmetric errors (flag both set and tested wrong), or corner cases Blargg didn’t think of.
- Help with some roadblocks on my Gameboy emulator.
- Dialogue glitches in The Legend of Zelda Links Awakening
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ZexDoc Hanging
https://github.com/raddad772/jsmoo/tree/main/misc/tests/GeneratedTests/z80 will troubleshoot any issues you have with instructions.
- Why is everybody implementing GameBoy's opcode CD differently?
- Cycle boundary in cycle-exact emulators
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CHIP8 in Vanilla Javascript
Where? If you want to check out other vanilla JavaScript emulators, https://github.com/raddad772/jsmoo
almost2
Posts with mentions or reviews of almost2.
We have used some of these posts to build our list of alternatives
and similar projects. The last one was on 2023-01-09.
-
almost2, my take on Apple ][ emulation
The sources are here: https://github.com/friol/almost2.
What are some alternatives?
When comparing jsmoo and almost2 you can also consider the following projects:
WinUAE - WinUAE Amiga emulator
kernal64 - A Scala Commodore 64, 128, VIC20, CBM2 and SuperCPU emulator
ProcessorTests - A language-agnostic JSON-encoded instruction-by-instruction test suite for the 8088, 68000, 65816, 65[c]02 and SPC700 that includes bus activity.
CHIP8-Interpreter-Vanilla-Javascript
chippy - Chip8 emulator written in python using pygame
melonDS - DS emulator, sorta
SNES - SNES Assembly Programming
IronBoy - A Gameboy emulator written in Rust as both a learning exercise and a love letter to the console that got me into gaming.
sturdygb - Experimental game boy emulator in Rust
yuzu - Nintendo Switch emulator
nes-py - A Python3 NES emulator and OpenAI Gym interface