Society of Eight-Bit Heathkit Computerists
A web site dedicated to preserving the Heathkit 8 bit computers
DOCUMENTATION HOME
Heathkit H-8
H8 Computer (Assembly, Operation, Schematics)
H8-2 Parallel Interface (Assembly, Operation, Illustration, Schematic)
H8-4 Multi Port Serial (Assembly, Operation, Illustration, Schematic)
H8-5 Cassette/Serial Interface (Assembly, Operation, Illustration, Schematic)
HA8-6 Z80 CPU (Operation, Schematic)
H8-7 Breadboard (Assembly, Operation, Illustration, Schematic)
HA8-8 Extended Configuration (Assembly, Operation, Schematic)
H-17 Disk Controller (Operation, Schematic)
H-37 Double Density Controller (Operation, Schematic)
H-47 Interface and Serial I/O (Operation)
H-67 HDOS Software Installation
Part 1 (PDF)
Part 2 (PDF)
H8-64 64K Dynamic RAM (Schematic)
Heathkit H-9
N/A
Heathkit H-19
H/Z-19 Terminal (Operation)
H/Z-19 Terminal (Engineer Schematics)
H/Z-88/89/90
H-88 Computer (Assembly)
H-88 Computer (Operation)
H-88-1 Floppy Controller (Schematic)
H-89 Computer (Engineer Schematics)
H-89A Computer (Schematic)
H-88/89/90 Configuration Guide
Z-89-37 Double Density Controller (Installation, Operation, Schematic)
Z-89-67 Operation Manual (Operation)
MTR-89 ROM Reference and Source Listing
MTR-90 ROM Reference and Source Listing
ATG Systems
Super-19 ROM upgrade for H-19 Documentation
Super-19 ROM Image for 2732 eeprom
DG Electronics
DG-80 Z80 CPU Card for the H-8 computer (Installation/Operation)
DG-FP8 Front Panel Monitor for DG-80 Z80 CPU Card (Operation)
DG-FP8 Front Panel Monitor Source Listing
DG-Heartbeat and Super89 Operation Manual
MAGNOLIA MicrosystemsMagnolia CP/M and hardware documentation(77314, 77316, 77318, CP/M 2.2, CP/M 2.24, MTR-84B)
TMSISuperset ROM upgrade for H/Z-19 Terminal (Assembly, Operation)
NORBERTO COLLADO
6 MHz Mod for H8 using static RAM memory board (from Sextant article)
GAMES
Graph Pac II Graphics Library for the Color Graphics Card
Starfleet Manual (Star Trek game for the H19/H89)
Tour-700 Manual (A European Card Game)
YWing-2 Manual (Arcade Game for the H19/H89)
SOFTWARE REFERENCE MANUALS
All software reference below is in PDF format
CP/MVolume I (Setup)Part 1
Part 2
Part 3
Part 4
Part 5
Part 6
Volume II (Reference)
Part 1
Part 2
Part 3
Part 4
Part 5
CP/M Quick Reference
MBASIC Quick Reference
BIOS-80 Disk Modification
HDOS 2.0Software ReferenceChapter 1
System Configuration
Chapter 2
General Operations
Chapter 3
Console Debugger
Chapter 4
Heath Text Editor
Chapter 5
Heath Assembly Language
Chapter 6
Benton Harbor Basic
HDOS System Programmer's Guide
HDOS 3.0
Software Reference ManualSource Listings
HOS-1-SL (595-2466) HDOS Source Listing (zip 33 PDF files, 78mb)
H17 ROM Source Listing (PDF format)ROM Listings
PAM-8 Source Listing
MTR-88 Source Listing
XCON8 Source Listing
H19 Source Listing (pdf file 23mb)
May 8, 2010
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