CVBasic online compiler

Devlog

• v0.0.19: Update CVBasic to the latest 0.9.0 version.
  September 03, 2025 by haroldo-ok

  1

  This updates the tool to use CVBasic 0.9.0... Continue reading
• v0.0.18: Replace build scripts to use a `Makefile`, instead.
  August 30, 2025 by haroldo-ok

  2

  The build scripts were replaced with a `Makefile`, in order to make future development slightly easier... Continue reading
• v0.0.17 - Show instructions about emulator keys.
  July 21, 2025 by haroldo-ok

  2

  This versions show instructions on screen mentioning that it uses z and x for the buttons and the arrow keys for up, down left and right... Continue reading
• v0.0.16 - Autosave user code as the user types it.
  July 17, 2025 by haroldo-ok

  2

  This version automatically saves the BASIC code as the user types it. Whenever the user reloads the page, the code is loaded, again... Continue reading
• v0.0.15 - Implement a few measures to prevent cache problems.
  July 08, 2025 by haroldo-ok

  3

  This version implements a few measures to prevent cache problems: Implemented cachebusters for the various JS and <iframe> dependencies; Added the ideVersion parameter to the first-party dependencies;... Continue reading
• v0.0.14 - Refactor the calls to the `cvbasic` and `gasm80` tools into a cleaner implementation.
  July 07, 2025 by haroldo-ok

  2

  This is a minor change on the tool's internal logic to make future modifications easier... Continue reading
• v0.0.13: Allow ColecoVision ROMs to be embeded in HTML.
  June 24, 2025 by haroldo-ok

  2

  This version fixes the HTML export option so that ColecoVision ROMs can be exported... Continue reading
• Version 0.0.12: Add button for embedding a ROM and call a emulator inside a HTML page
  June 23, 2025 by haroldo-ok

  2

  This version adds the "Embed ROM as HTML" button, that generates a HTML file that contains the generated ROM and calls the emulator. For now, this button is only working for SMS and SG-1000... Continue reading

  
• Version 0.0.11 - Stop currently running emulator when changing target hardware.
  June 23, 2025 by haroldo-ok

  2

  This version stops the currently running emulator when changing target hardware... Continue reading
• v0.0.10: Prevent the window from scrolling when arrow keys are pressed inside the emulator.
  June 21, 2025 by haroldo-ok

  2

  This version fixes a bug where the window would scroll when arrow keys were pressed inside the emulator... Continue reading
• v0.0.9: Change exported ROM file extension to match the targeted hardware
  June 21, 2025 by haroldo-ok

  1

  This version changes the exported file extension according to the targeted hardware. Currently, SG-1000 ROMs will be generated with the ".sg" extension, Sega Master System ROMs will be generated with... Continue reading
• v0.0.8 - Hide emulator if the target hardware isn't supported by it
  June 20, 2025 by haroldo-ok

  3

  This version hides the emulator if the target hardware isn't supported by it: The emulator area is hidden if the selected target hardware is not supported by the emulator; Ensures the emulator is hidd... Continue reading

  
• v0.0.7 - Fix problem where `cvbasic` complained of redefined labels when calling the compiler more than once.
  June 19, 2025 by haroldo-ok

  3

  Fixes this issue: > I noticed a bug where the state isn't reset if you want to compile another program, so it complains of redefined labels when compiling. https://forums.atariage.com/topic/382064-cvb... Continue reading
• Version 0.0.6 - Fix ColecoVision BIOS bug and partially fix resize bug
  June 16, 2025 by haroldo-ok

  2

  This version provides a ColecoVision BIOS so the CV emulator can run. This also partially fixes a bug that prevented emulators from working on small screens... Continue reading
• Version 0.0.5 - Run emulator
  June 14, 2025 by haroldo-ok

  3

  Version 0.0.5 runs the emulator on compilation, though not all platforms are supported, yet... Continue reading

  
• Version 0.0.4 - Add examples.
  June 12, 2025 by haroldo-ok

  3

  Version 0.0.4 lets the user choose examples... Continue reading
• Version 0.0.3 - Compile the ASM into a ROM.
  June 12, 2025 by haroldo-ok

  3

  This version adds the possibility of compiling the ASM into a ROM... Continue reading
• Version 0.0.2 - Allow the user to choose the targeted hardware
  June 02, 2025 by haroldo-ok

  3

  This version allows the user to target any of the hardware suported by CVBasic... Continue reading

  
• Version 0.0.1 - Initial prototype
  May 31, 2025 by haroldo-ok

  4

  This is the initial prototype for the online compiler... Continue reading