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Simple vertical scroller game for CP/M written in Forth
Use Ed's DX-Forth to compile this. You can cross-compile this game on any UNIX system using Joseph Allen's CP/M emulator.
It requires VT52 compatible terminal to display correctly.
Tested on CP/M Plus running on ZX Spectrum +3 (+3e), ZX Spectrum Next and Amstrad CPC6128.
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Compatibility note for ZX Spectrum +3 (+3e): make sure SET24X80 is started (e.g. from PROFILE.SUB) before running this game.
Compatibility note for Amstrad CPC: make sure 'SETKEYS KEYS.WP' is started (e.g. from...
An replacement of DXForth's xplgraph.scr library for CP/M
... (with all of its cryptic syntax) and uses CP/M's GSX interface. Using this interface enables graphical output to either local screen or remote devices connected through a serial port (like Tektronix 4010 text-and-graphics terminalemulator running on PC).
Limitations:
- No colors, no shades of gray. Color 0 is blank, others are mapped to solid pixels.
- No READPIX function.
- PALETTE, SETPAL and SOUNDX are dummy.