Also demonstrated:
- SCREEN _NEWIMAGE (to setup custom screen size for the specified mode)
- CIRCLE
- PAINT
- PRESET
- IFF
- FOR NEXT
- _DISPLAY (forces refresh of the screen; otherwise, the browser page locks up, going into an infinite loop)
- XMAX and YMAX
This is a mod of a program Richard Keijzer wrote in TRS-80 Level II BASIC (44 years ago) and recently shared with the BASIC Programming Lang...
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