On Thu, 25 Feb 2010, Fred Cisin wrote:
For machine language on TRS80, look at TBUG, and Allen
Gelder's
enhancements thereto.
For assembly, look at Roy Soltoff's assembler
For disk sector work, look at Superzap from NEWDOS80.
For disk viewing below the sector level, look at Roxton Baker's? TRAKCESS.
For disk format conversion, look at Mike Gingel's programs
For spreadsheets: VISICALC (avail from RS)
For wordprocessing, Michael Shrayer's ELECTRIC PENCIL and RS's SCRIPSIT
Some recommemded books:
"Machine Language Disk I/O & Other Mysteries", by Michael J. Wagner.
"TRS-80 Model III Assembly Language", by Hubert S. Howe, Jr
"More TRS-80 Assembly Language Programming", by Bill Barden
"The Custom TRS-80 & Other Mysteries" by Dennis Bathory-Kitsz
Mike Loewen mloewen at cpumagic.scol.pa.us
Old Technology
http://sturgeon.css.psu.edu/~mloewen/Oldtech/