https://github.com/nippur72/c64-emu

https://github.com/nippur72/c64-emu

Last synced: 22 days ago
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• Host: GitHub
• URL: https://github.com/nippur72/c64-emu
• Owner: nippur72
• Created: 2020-11-29T11:31:50.000Z (over 3 years ago)
• Default Branch: main
• Last Pushed: 2023-08-21T14:10:21.000Z (11 months ago)
• Last Synced: 2024-02-25T00:33:19.098Z (4 months ago)
• Language: C
• Size: 1.88 MB
• Stars: 5
• Watchers: 2
• Forks: 2
• Open Issues: 3
• Metadata Files:
  • Readme: README.md

Lists

• awesome-commodore-resources - C64 Javascript emulator

README

        
# C64 Javascript emulator

A JavaScript emulator for the Commodore 64 computer.

This emulator is based on the amazing work of Andre Weissflog

https://github.com/floooh/chips-test

Copyright (c) 2017 Andre Weissflog

Open the emulator directly in your browser: [c64-emu](https://nippur72.github.io/c64-emu/)

QUERYSTRING OPTIONS

===================

- `wstcp=address:port` websocket address and port of the websocket tcp tunnel service

- `joy=3` emulates joystick

- `load=program.prg` loads and exectutes a program

- `b=<....>` loads the specified string as a base64 binary encoded file (created with the function `makeBase64())`

LOADING AND SAVING FILES

========================

- prg files (`.prg`) are common C64 program files that are loaded in memory.

The first two bytes contain the loading address.

Dragging & dropping a ".prg" file on the emulator's window causes the file to be loaded.

Once a file is loaded, it's also stored on the browser cache so that you don't have

to drag&drop it again; you can use the `load()` function from the JavaScript console.

These are the commands you can type from the JavaScript console (F12 key):

- `load("file.prg" [,start])` loads a file at the specified address

- `save("file.prg" [,start, end])` saves a file 

- `download("file.prg")` gets the file as a browser download

- `remove("file.prg")` remove file from browser's cache

- `dir()` lists files on browser's cache

- `paste(text)` paste a string of text (e.g. containing a BASIC program)

- `makeBase64("file.prg")` encodes the file for use with the `b=` query string parameter (see)

MISC

========

- `c64.config(n)` configures memory (n from 0 to 5)

- `c64.reset()` resets the c64 (also via CTRL+ALT+BREAK keys)

- `c64.peek(address)`

- `c64.poke(address, data)`