xplgraph-cpmgsx-dxforth download

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Originally, xplgraph.scr library for DXForth was written to work on DOS systems only enabling point-and-plot graphics on VGA-compatible graphics devices. DXForth port to the 8-bit CP/M operating system lacked similar capability.
The aim of this project is to provide an replacement of the original xplgraph.scr library, exposing roughly the same API, enabling graphics in DXForth running under CP/M. This library is written using DXForth's inline assembly (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 terminal emulator 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.

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Public Domain

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Additional Project Details

Operating Systems

Server Operating Systems

User Interface

Other toolkit

Programming Language

Assembly, C, Forth

Related Categories

Assembly Libraries, C Libraries, Forth Libraries

Registered

2020-02-04

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