Denis


This author's articles

Friday 9 November 2012
by  Denis

Reference material

The information provided on this site comes from various sources, including documents published by Sharp, magazines and of course personal research.
PDF Documentation
Tandy PC-2 Assembly Language - A series of articles by Bruce Elliot. Reproduced from the TRS-80 Microcomputer News magazine, (...)

Thursday 8 November 2012
by  Denis

Memory Map

The memory is divided in two 32K areas : RAM from 0000h to 7FFFh and ROM from 8000h to FFFFh. The RAM area contains user programs, variables and various run time parameters. The ROM is described in more details in its own page. Address Contents Checked /
Documented 0000 - 6FFF User RAM (...)

Thursday 8 November 2012
by  Denis

ROM Entry Points

Expansion ROM
The expansion ROM corresponds to the ROM of expansion modules, like the CE-150 printer and cassette interface. Address Contents Checked /
Documented 8000 - BFFF Expansion ROM - 16KiB A519 Change printer pen color A769 Printer motor off A781 Send ASCII character to (...)


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