I've forked the project to add some features:
https://github.com/NickR-Git/vcs-game-maker-absply
New features:
- Set ROM size (to supported standard kernel sizes)
- Change Score font
- Custom Score font editor
- Variable Bit Operations
- Added Wait block
- Playfield Health/Lives bars (as supported by the standard kernel)
- Get current Player0/1 animation frame (to time SFX and sequence animations)
- Number block now accepts hexadecimal & binary values
- Zoom In/Out on Blockly canvas
- Click & drag to resize the emulator sidebar