COSMAC ELF

Ipso Facto Issue 27

• Netronics Full Basic and the Infamous EF2 Line
• Tiny Basic Programs
• The Megabyte Elf
• Hex Keyboard for the Elf
• 1802 to S-100 Bus Converter
• A Notable Assembler
• A Hardware Clock for the 1802
• 1802 Plotter
• SPRECH - A Simple Software Voice Synthesizer

Ipso Facto Issue 28

• Errata
• From Tony Hill’s Notebook
• An EPROM Programmer for Single +5V Supply EPROMs
• Mods to Netronics Full Basic Part II
• 64K Dynamic Board
• Tiny Pilot Terminal Tester
• Kaleidoscope and Life Programs
• Telephone Dialing Program
• New Mnemonics for the Netronics Assembler
• Full Basic Number Crunch Sans Basic
• Selectric Typewriter Tools
• Another Tape Controller
• An Interface for the Epson MX-80 Printer
• Quest Dynamic Board Fix
• Ohm’s Law
• 1802 Quickies
• Hex Keyboard for the ELF Part II

Ipso Facto Issue 29

• Forth Implementation Notes
• Keyboard Bell Circuit
• More Netronics Full Basic Bugs
• Winners of the “Name the Program” Contest
• Implementing Tiny Basic
• New Memory Test Program
• A CDP1854 UART Circuit
• Forth — A Bridge Over Troubled Waters
• An Inexpensive EPROM Eraser

Ipso Facto Issue 30

• Window — A Programming Tool
• Netronics Text Editor “P” Command
• A Painless ACE-to-ELF II Bus Adapter… the Q and D
• Tiny Basic Bubble Sort
• Questions and Answers About the ACE Disk Format
• Connecting 1802s in Arrays and Pipeline
• Comments on the Megabyte ELF
• Reply to Jim Howell’s Letter
• 1K Memory Expansion
• Mystery Program
• Symon
• Adding Simulated Disk I/O and a Line Editor to Forth

Ipso Facto Issue 31

• 1802 Computer Conference Report
• Forth Implementation Notes II
• An 1802 Assembler for 1802 figForth
• Programming Tips — Lesson 1
• Additional Notes About the Window Program
• Permutations and Combinations in Tiny Basic
• Software for the ACE VDU Board
• 1802 — Apple Keyboard Interface
• 1802 Mini-Disassembler
• Using the VDU Board for RAM Only
• A Minimum Count 2114 Memory System Using the VDU Board
• Netronics Text Editor Improvements
• Netronics Compatible Tape Load Program

Ipso Facto Issue 32

• Further Comments on the Netronics Text Editor
• Forth Implementation Notes III
• Adding a String Editor to Forth
• 16 Bit Integer Arithmetic for the 1802
• A Simple Cap Lock Circuit for the 1802
• ACE System Card Cage
• ACE Mini Boot
• The Euclidean Algorithm
• The Netronics Smarterm-80
• “?” Search Subroutine for SYMON
• Real Time Clock and Program
• ACE Front Panel