Introduction
This section of the web site covers tips and tricks, ranging from Level II through determining the geometry of a hard drive.
There is no rhyme or reason to why tips are or are not present; as I learn of them, they go here.
Unfortunately, there is some mixing and matching between the pages, and I hope to fix those at some point.
Menu
- Hard Drive Tips and Tricks
Page includes How to Quickly Initialize, Determining Hard Drive Geometry, Using a Single Hard Drive with 2 Operating Systems, Initializing under Model 4 DOSs, Changing Minimum Cluster Size, Booting a Model 4P from a Hard Drive, and Changing TRSDOS 6.2.1 to Boot a Model 4P from a Hard Drive
- String Packing and USR Routines
Page includes General Framework and Explanation, Graphic String Packing, Maching Language String Packing, and Multiple USR() Calls
- Level II Tips and Tricks
Page includes and insane amount of information … just visit the page to see what’s what
- NEWDOS/80 Tips and Tricks
Page includes Booting NEWDOS/80 v2.0 on a Model 4P, NEWDOS/80 v2.0 Other-DOS PDRIVE Settings, Setting HIMEM from NEWDOS/80 v2.0 BASIC, Make a /CMD File into a Model III Self-Booting Disk using NEWDOS/80, Trading Files Between LDOS6.2 and NEWDOS/80 v2, and Setting Tandy 15MB Drive to Run with NEWDOS80 v2.5
- Other DOS Tips and Tricks
Page includes and insane amount of information … just visit the page to see what’s what
- TRS-80 Graphics
Page includes General Overview, Character Sets (Regular, Japanese, and Dingbats), Graphic Worksheet, and Graphic Characters
- Tape and File Formats/Structures
Page includes Tape Structures (Level I Tape Format, Level II BASIC File Tape Format, System Tape Format, Editor/Assembler Source Tape Format) and File Structures (CMD File Format, Editor/Assembler Source File Format, SuperSCRIPSIT Document Files, DSK/JV1/JV3 File Structure, DMK File Structure)
- Bugs and Easter Eggs
- Misc Tips and Tricks
Page includes a few articles on Tokenized BASIC, Vidtex Escape Sequences, More Pokes and Peeks, and a Disk Speed-Up Chart
- Model III Tips and Tricks
Page includes Model III Poke and Passing and Getting Values from a USR Call
- Model 4 Tips and Tricks
Determining GA or NGA Model, Model 4 POKEs, Model 4 PEEKs, Model 4 Keyboard PEEK Table, Directly Access Model 4 Video, Model 4 Graphics Board / Undocumented Ports, Model 4 Video Locations, Programming the Model 4 Function Keys, Changing the Model 4 Speed, Controlling the Model 4 Sound Card, and Model 4 BASIC Commands
- Model 4P Tips and Tricks
Page includes Model 4P Bootup Options (Keypresses At Reset/Power On) and Model 4P Modem Commands