1981 - Ipso Facto 20 to 26

Ipso Facto Issue 20

  • A Floppy Disk Controller for the 1802
  • Enhancements to UT4
  • Programmable Sound Generator for 1802 Systems
  • UART to TTY, to TTY Keyboard to UART, Video Sync Driver
  • Frequency Counter
  • ELF II Cassette I/O
  • Handshaking the Xitex Video Terminal
  • Routine to Save Registers for Debugging
  • More Basic Bugs
  • 16 Key Keyboard Interface
  • The Monitor Version II
  • Home Brew of Printed Circuit Boards
  • Byte Search

Ipso Facto Issue 21

  • Hints and Fixits
  • Danger — Electricity Can Kill You
  • Simulated Word Instructions for the 1802
  • Full Basic for the 1802 (Really!)
  • Thoughts on a Simple Floppy Disk I/O System
  • Text Finder and Disassembler for the 1802
  • Editor/Assembler/Monitor for Video
  • ELF II Serial Interface
  • Recycling the Netronics Math Board
  • Hardware Ramblings
  • Errata
  • Introduction to the Association of Computer Experimenters

Ipso Facto Issue 22

  • A Software Floating Point Math Package
  • Floppy Disc Controller
  • Netronics Text Editor to Tiny Basic Conversion
  • Test Your Reflex
  • Memory Mapping the 1851
  • Forth Anyone?
  • 1802 Support
  • Errata: Ipso Facto # 20
  • Funny Stuff

Ipso Facto Issue 23

  • Errata: The Monitor Version II
  • The Text Editor
  • Modifications to the Club VDU Board
  • Status Display
  • Netronics Tiny Basic for All 1802 Systems
  • ELF II Serial I/O Package
  • EPROM Programming With an 1802

Ipso Facto Issue 24

  • 1802 Logic Analyzer
  • Design Your Programs to Run at Any Page Boundary
  • 1802 Code Editor
  • Odds and Ends
  • Hex to Decimal Conversion
  • XOR Testing
  • Video Interface for MC6847
  • Centronics Printer Interface
  • Baseball
  • Program Your Sounds

Ipso Facto Issue 25

  • Of This and That
  • Roll Over Hex on the ELF II
  • Netronics Monitor Cassette Problems
  • Modifications to Ed McCormick’s Monitor
  • CTL: The Fairly New Full Basic Command from Netronics
  • Simon ELF Update
  • Netronics Video Board Test Program
  • ELF II Cassette Hardware Modifications
  • Addendum: Mantei 2716 EPROM Programmer
  • Memory Test Program
  • Kingdom: A Tiny Basic Simulation Game
  • Quest Basic Printer Routine
  • Ratrace 1: A Simulation Game in Quest Super Basic Version 3.0
  • 1802 Serial I/O Board

Ipso Facto Issue 26

  • Comments on Self-Relative Code
  • The Expanded 1805 and 1806 Instruction Set
  • Useful Routines
  • Proposed Register Conventions
  • Stack Handling Technique
  • Tiny Pilot Programs
  • Kaleidoscope
  • 1861 Inverting Routines
  • Improved Mastermind Program
  • More Device Drivers for The Monitor
  • Solving the Schrodinger Equation with the Super ELF
© Dave Ruske 2001-2017, except where noted