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SEBHC (Society of Eight Bit Heathkit Computerists)

Log in to DISCORD for help and real time discussions

Mission is to extend the life of the original Heathkit computers by:

Les Bird's H8-Z80 PLUG-N-PLAY KIT
Les Bird's H8-Z80 ROMWBW CPU BOARD
Les Bird's H8-COMPLETE-OPEN-AIR-KIT

REMark Magazine

REMark Magazines Archive

REMarks Newsletters

REMarks Newsletters by Glenn Roberts

Programming

Stan's Programmer Aids
Dazzle Star Disassembler - README
H8/H89 Memory Map
H8 I/O PORT MAP

HA-8-3 DEV DISKS

HDOS 2 with ASM and PIE (100K) H17 / CONTENTS
DATA disk with all ACM and ASM source code files H17 400K / CONTENTS

C80 WORKING DISKS

C80 V3.1 HDOS SYSTEM DISK (100K) H17 / CONTENTS - Bootable disk with C80 V3.1 and PIE
C80 V3.1 HDOS DATA DISK (400K) H17 / CONTENTS - Data disk with include files, libs and tools

Douglas Miller Github repos for H8 monitor

Z80/Z180
8080A

Darrell Pelan H19 Keycaps for 3D Printing

Function Keys (STL)
Standard Keys (STL)

FLOPPY DISKS

5.25 Soft Sector

Coleman's Military Surplus 50 Bulk - $25 / 100 Bulk - $40 / 500 Bulk - $150
FloppyDisk.com 50 Bulk - $30

3.5 Soft Sector

FloppyDisk.com 50 Bulk - $50

FLOPPY DRIVES

Tandon Drive Documentation

TM100-1 Operating and Service Manual
TM100-3/4 Service Manual
TM100-4 Product Specs
TM100 96/100 TPI Operating and Service

SIEMENS

FD100-5 JUMPERS

HITACHI

HFD516CI 5.25 HD

MITSUBISHI

M2896 Z-207-41

PARTS

AMI S2350P SERIAL FOR H17 - $5.00/EA AMI S2350P
WD2797 FLOPPY DISK CONTROLLER FOR H37 - $15/EA WD2797
2114 (1Kx4) STATIC RAM FOR 8/16K STATIC RAM BOARD - $6/EA 2114
4164 (64kx1) DYNAMIC RAM FOR 64K RAM BOARD - $3.25/EA 4164 DRAM
H8 BUSS CONNECTORS FOR PLUGGING INTO 50 PIN H8 BUSS - $1.15/EA 1x25 PIN FEMALE
H8 BUSS CONNECTORS - combine these to form 25 pin connectors - 10+15 or 11+15:
10 PIN ($0.62/EA)
11 PIN ($0.62/EA)
15 PIN ($0.89/EA)
SOURCES
COMPONENT ONLINE (CANADA - chips/connectors)
BRISTOL ELECTRONICS (chips/connectors)
THE CONNECTOR PEOPLE (connectors)
JAMECO (eeproms/old RAM chips)
MOUSER (everything)
DIGIKEY (everything)
TAYDA (THAILAND - everything)

SEBHC JOURNAL

1986

VOLUME 1 ISSUES 1 2 3 4 5
VOLUMES 1 (1986) THROUGH 8 (1993) ON MARK GARLANGER'S SITE

DOCUMENTATION

H8

H8 ASSEMBLY ILLUSTRATION BOOKLET (PDF)
H8 ASSEMBLY MANUAL (PDF)
H8 OPERATION ILLUSTRATION BOOKLET (PDF)
H8 OPERATION MANUAL (PDF)
H8 SCHEMATIC - FRONT PANEL AND 8080 CPU (PDF)
H8 SOFTWARE REFERENCE MANUAL (PDF)
WH8 OPERATION SERVICE MANUAL (PDF)
WH8 OPERATION SERVICE MANUAL SCHEMATIC - FRONT PANEL AND 8080 CPU (PDF)
HA8-2 MUSIC BOARD (PDF)
HA8-3 COLOR GRAPHICS CARD (PDF)

H29 TERMINAL

H29 ASSEMBLY MANUAL (PDF)
H29 OPERATION MANUAL (PDF)
H29 USERS TECHNICAL GUIDE (PDF)

HUG

HUG SOFTWARE VOLUME 1
THE WATZMAN/HUG H19 ROM (PDF)

ATG SYSTEMS

SUPER-19 ROM UPGRADE FOR H19

DG ELECTRONICS

HEARTBEAT COMPUTER SYSTEM (PDF)
MMS CP/M H8 USER'S MANUAL (PDF)

MICRO DOC

GRAPH-PAC II (PDF)

MICROSOFT

BASIC-80

NORTHWEST DIGITAL SYSTEMS

GRAPHICS-PLUS FOR H89 (PDF)

SIGMASOFT AND SYSTEMS

THE INTERACTIVE GRAPHICS CONTROLLER (PDF)

UPDATED HA8-6 SCHEMATIC

HA8-6 SCHEMATIC ERRORS CORRECTED (JPG)

KEYCAP STICKERS

KEYSTICKERS

DG-80 CPU

DG-80 Z80 CPU USERS MANUAL (PDF)
DG-80 Z80 CPU SCHEMATIC (JPG)
DG-FP8 PANEL MONITOR USERS GUIDE (PDF)
DG-80-FP8 ROM V1.4 HEX AND BIN (ZIP)
DG-80-FP8 ROM V1.5 HEX AND BIN (ZIP)
DG-64D 64K RAM BOARD (PDF)
DG-64D 64K RAM BOARD SCHEMATIC (PDF)

QUICK MEMORY TESTS

XCON8: PC=030.003 MEM=050.000 GO,GO (TWICE)
NON-XCON8: H8 FRONT PANEL MEMORY TEST (PDF)
H8 IS UP AND RUNNING TEST - TXT

H8DUTILITY

H8DUtility 2 with Darrell Pelan mods WinX64
H8DUtility 3 WinX64 - macOS
H8DUtility 3 source code and project info
HDOS 2 H37IMGR and H8DIMGR4 H17 - H37 write this to an H17/H37 disk and boot it then run H37IMGR or H8DIMGR4

H8DIMGR

H8DIMGR source code GitHub 8080 ASM
HDOS BOOT DISK WITH ASM 0HDOS
HDOS DATA DISK WITH SOURCE FILES 2S80T 1HDOS

H19/H89 EMULATOR

H19 Emulator Win x64 - macOS
H89 Emulator Win x64 - Linux x64 - macOS

SOFTWARE

Complete archive (1 thru 9) all zipped up - ZIP 35MB

BOOTABLES

CP/M 2.2.03 H17/H37 BOOT DISK H17 - H37
CP/M 2.2.03 H17 BIOS80 BOOT H17
HDOS 2 H37IMGR AND H8DIMGR4 BOOT H17 - H37

APOGEE SOFTWARE

GRAVITRON

GRAVITRON 1 CP/M AND HDOS H17

BORLAND

TURBO PASCAL V3

TURBO PASCAL DISK 1 CP/M H17
TURBO PASCAL DISK 2 CP/M H17

DG ELECTRONICS

CP/M 2.2.03

DG ELECTRONICS 32K CP/M 2.2.03 H17

DG SUPER89

SUPER89 DISK SYSTEM EMU V1.1 H37

SYSCMD PLUS

SYSCMD SOURCE 1 OF 2 HDOS H17
SYSCMD SOURCE 2 OF 2 HDOS H17
SYSCMD SYSTEM HDOS H17

DIGITAL RESEARCH

CP/M 2.2.02

CP/M 2.2.02 DISTRIBUTION 1/2 H17
CP/M 2.2.02 DISTRIBUTION 2/2 H17

CP/M 2.2.03

CP/M 2.2.03 DISTRIBUTION 1/3 H17
CP/M 2.2.03 DISTRIBUTION 2/3 H17
CP/M 2.2.03 DISTRIBUTION 3/3 H17

CP/M 2.2.04

CP/M 2.2.04 DISTRIBUTION 1/4 H17
CP/M 2.2.04 DISTRIBUTION 2/4 H17
CP/M 2.2.04 DISTRIBUTION 3/4 H17
CP/M 2.2.04 DISTRIBUTION 4/4 SETUP DISK H17

PASCAL MT

PASCAL-MT V5.5 DISK 1 HDOS H17
PASCAL-MT V5.5 DISK 2 HDOS H17
PASCAL-MT V5.5 DISK 3 HDOS H17
PASCAL-MT V5.5 DISK 4 HDOS H17

ELLIS COMPUTING

NAVADA COBOL

NAVADA COBOL H17

NAVADA EDIT

NAVADA EDIT H17

NAVADA FORTRAN

NAVADA FORTRAN H17

NAVADA PILOT

NAVADA PILOT H17

EVRYWARE

INVASION

INVASION V1.2 CP/M AND HDOS H17

MISSILE CONTROL

MISSILE CONTROL V1.1 HDOS H17
MISSILE CONTROL V1.2A CP/M AND HDOS H17

YWING I

YWING I V1.0A CP/M AND HDOS H17

YWING II

YWING II V1.0 CP/M AND HDOS H17

HEATH/ZENITH

HDOS 1.0 #50-00-00

HDOS 1.0 SYSTEM H17

HDOS 1.4 #50-03-00

HDOS 1.4 SYSTEM H17

HDOS 1.5 #50-04-00

HDOS 1.5 SYSTEM H17

HDOS 1.6 #50-05-00

HDOS 1.6 SYSTEM H17

HDOS 2.0 #50-06-00

HDOS 2.0 DISK 1/3 SYSTEM H17 - H37
HDOS 2.0 DISK 2/3 TOOLS H17
HDOS 2.0 DISK 3/3 DRIVER SOURCE H17

HOS-5-UP

HOS-5-UP H37 UPGRADE DISK H17

DIAGNOSTICS

H37 DIAGNOSTIC AND CONVERSION UTILITIES H17 - H37
Z25/Z37/Z90 DIAGNOSTICS HDOS H17

HA-8-3 COLOR

COLOR GRAPHICS DISTRIBUTION HDOS H17

HUG LIBRARY

See the HUG LIBRARY folder

HUGHES HOYLE III

A GALACTIC EXPERIENCE HDOS H17

JAMES GILLOGLY

SPACE PIRATES

SPACE PIRATES HDOS H17

TEXT FORMATTER

TEXT FORMATTER HDOS H17

JOE GARGIULO

SPACE ODYSSEY

SPACE ODYSSEY V1.0 CP/M AND HDOS H17

GALACTIC WARRIOR

GALACTIC WARRIOR V1.1 CP/M AND HDOS H17

JRT (Jim Russell Tyson)

JRT PASCAL

JRT PASCAL DISK 1 H17 hard sector
JRT PASCAL DISK 2 H17 hard sector
JRT PASCAL DISK 3 H17 hard sector
JRT PASCAL DISK 1 WORKING COPY H17 hard sector

LIVINGSTON LOGIC LABS

BIOS 80

BIOS80 V3 DISTRIBUTION - DOCUMENTATION
BIOS80 V4 DISTRIBUTION H17 - DOCUMENTATION
BIOS80 V5 DISTRIBUTION H17 - DOCUMENTATION

MAGNOLIA MICRO SYSTEMS

MMS CP/M 2.2

CP/M MMS SYSTEM 2.2 Z37 CORVUS H37

MANX SOFTWARE SYSTEMS

AZTEC C

HDOS AZTEC C DISK 1 H17
HDOS AZTEC C DISK 2 H17
HDOS AZTEC C RELEASE NOTES DOCUMENTATION
HDOS AZTEC CII DISK 1 H17
HDOS AZTEC CII DISK 2 H17
HDOS AZTEC CII MANUAL DOCUMENTATION

MICRO DOC

GRAPH-PAC-II

CP/M GRAPH-PAC-II DISK 1 H17
CP/M GRAPH-PAC-II DISK 2 H17

MICROPRO

SUPERSORT

CP/M SUPERSORT DISK 1 H37
CP/M SUPERSORT DISK 2 H37

MICROSOFT

BASIC80

CP/M BASIC-80 H37

MBASIC

HDOS MBASIC H17

FORTRAN-80

HDOS FORTRAN-80 H17
HDOS FORTRAN SAMPLE PROGRAMS H17

MIX SOFTWARE

MIX C COMPILER

CP/M MIX C V2.0.1 DISK 1 DSDD H37
CP/M MIX C V2.0.1 DISK 2 DSDD H37

MODEM

Micronics Technology Modem update with Ymodem

CP/M MTMDM CP/M
HDOS MTMDM HDOS

NEWLINE SOFTWARE

PEACHTREE

GENERAL LEDGER

CP/M GENERAL LEDGER PROGRAM DISK 2S80T H37
CP/M GENERAL LEDGER DATA DISK 2S80T H37

ROBERT WESSON

INVADERS

INVADERS HDOS H17

MUNCHKIN

MUNCHKIN HDOS H17

SIGMASOFT

SOFTSTUFF

8004 SORT

SORT HDOS H17

9000 PIE EDITOR

SCREEN EDITOR HDOS H17 / DOC

9001 TEXT FORMATTER

TEXT FORMATTER HDOS H17

9003 CPS

CPS HDOS H17

9004 GENERAL LEDGER

GENERAL LEDGER II HDOS H17

9005 INVENTORY

INVENTORY HDOS H17

9503 CPS

CPS DISK 1 CP/M AND HDOS H17
CPS DISK 2 CP/M AND HDOS H17

WALT BILOFSKY

PIE EDITOR

PIE V1.5C HDOS H17 / DOC

C-80 V3.0

C-80 DISK 1 COMPILER H17 / DOC
C-80 DISK 2 LIBRARY H17
C-80 MATHPAK FLOATS LONGS H17

C-80 V3.1

C-80 DISK 1 COMPILER H17 / DOC
C-80 DISK 2 LIBRARY H17

REACH MODEM

REACH MODEM FILE TRANSFER HDOS H17

XTRASOFT

TOUCH TYPING TUTOR

TOUCH TYPING TUTOR HDOS H17

GAMES

Heathkit Game Disk Images

UTILITIES

ABS TO H8T CONVERTER

ABS TO H8T CONVERTER HDOS H17

Norberto Collado's Heathkit Site
Mark Garlanger's Heathkit Site