On this page manuals, most English, some German and other MOS Technology documents
- User manual
- Hardware manual
- Programming manual
- KIM Hints
- KIM Application Note #2 Interval timer Operation
- Circuit diagram poster
- KIM-2 – KIM-5 manuals, TIM
- MOS Technology Cross assembler
- KIMath Subroutines package
- First Book of KIM (with sources and binaries)
- MCS6500 Instruction Set Summary cards
- MOS Technology Newsletters
- Quick references
- Other MOS Technology documents
PDFs from all over the internet, archive.org,.thanks for that!
From https://www.retro-commodore.eu/2021/02/14/kim-1-manuals/ come the high quality scans!
Most are own scans and many hours of correcting scans to higher and cleaner quality.
KIM-1 User Manual
Four version are known to exist, a First Edition January 1976, a Second Edition March 1976 Revision 6500-15A, a Second Edition 6500-15B August 1976, and a Rockwell version Rev 1 1977.
There may have been a 6500-15C on which the Rockwell version is based. From 15A to 15B the difference is in a changed description of the 6530 timer. In the Rockwell version the keypad change of SST switch to the left is documented.
A German version is also known.
MCS6500 Family Hardware Manual
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Hardware Manual August 1975 First Edition Publications Number 6500-10 6500-10 MCS6500 Hardware Manual August 1975 First Edition |
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Errate letter for Hardware Manual 6500–10 |
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Hardware Manual January 1976 Second Edition Publications Number 6500-10A 6500-10A MCS6500 Hardware Manual January 1976 Second edition 6500-10A MCS6500 Hardware Manual Second Edition January 1976 high quality, printed in Germany MCS6500 Hardware manual 6500-10A in HTML format MCS6500 Hardware Manual 6500-10A in ASCII format |
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MOS 6500 Hardware Handbuch German version of Hardware manual |
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Rockwell 6500 Hardware Manual |
MCS6500 Family Programming manual
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6500-50A MCS6500 Programming Manual January 1976 with reference card |
| 6500-50A MCS6500 Microcomputer Family Programming Manual High-res quality typeset manual by Pickledlight. Local copy. Check the original for updates. Hardcover of MCS6500 Microcomputer Family Programming Manual |
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Programming Manual in HTML format Programming manual appendix in HTML format |
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Rockwell 6500 Programming Manual |
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6500-50 MCS6500 Programming Manual Synertek |
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6500-50 MCS6500 Programming Manual Synertek in HTML format |
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MOS Microcomputers Programmier Handbuch German version of Programming manual |
KIM Hints
A small booklet from MOS Technology comes with every KIM-1 with hints how to use the KIM-1. Like audio cassette, Teletype, paper tape, power supply and the Interval Timer in the 6530.
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KIM Hints, grey cover |
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KIM-1 Hints, white cover |
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KIM hints in text format KIM-1 KIM-1 Hints with additions and corrections |
KIM Application Note #2 Interval timer Operation
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KIM Application Note #2 Interval timer Operation |
KIM-2 – KIM-5 manuals
Hardware extensions, see also the KIM System Products pages.
Cross assembler Manual, GE timeshare
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Cross assembler Manual, GE timeshare MCS6500 Microprocessor Software Support Guide for using the MOS Technology Support Software on United Computing Systems timesharing service Describes the MCS6500 Cross Assembler, Simulator and DMP to ROM programs. |
MOS KIMath Subroutines Programming Manual
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MOS KIMath Subroutines Programming Manual |
MOS Technology Cross assembler
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Circuit diagram poster
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KIM-1 circuit diagram Rockwell branded circuit diagram KIM-1 poster in high resolution, large picture! KIM-1 poster in high resolution, cleaned up by Joshy of Forum64 and me (August 2022) KIM-1 poster in high resolution, cleaned up and with wide borders KIM-1 poster in high resolution, scan by Dave McMurtrie |
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Redrawn KIM-1 circuit diagram |
First Book of KIM
Written by Jim Butterfield, Stan Ockers and Eric Rehnke (and many other authors!), first published 1977.
Invaluable source of information on programming the standard KIM-1. Background, games, utilities such as Hypertape.
Many reprints, many publishers.
The two versions downloadable here are rescanned and of high quality. The layout is a bit different, the contents are mostly identical. The corrections listed below are applicable to the Human Electron version, the Hayden version already has those corrections.
The previous version and only until now, still all on the internet is low quality, full of artefacts and missing the last page.
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First Book of KIM, 1977, 1978 Published by Hayden Book Company. Later version, corrected edition |
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First Book of KIM, 1977 Published in Europe by Human Electron GMBH. Earlier version, corrections required |
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The Appendix SYM/KIM tot the First Book of KIM 1979, Robert A Peck, Hayden Book Company |
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Last page of Hayden version, a quick reference of the KIM-1 |
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The First Book of KIM-1, part in text format The First Book of KIM-1 in HTML format Sources of The First Book of KIM-1 in source and papertape format, Jeff Tranter Software from First Book of KIM in binary, audio (Wave) and papertape format, by Dave Willams. |
THE FIRST BOOK OF KIM – corrections
– Authorships: SORT p. 136: by Jim Pollock
– FARMER BROWN, HYPERTAPE, SUPERDUDE: by Jim Butterfield
– Titles: MUTI-MAZE, p 92, should be MULTI-MAZE
– Programs:
– BANDIT: change 0252 and 029C from 08 to 0B
– CODE TEST, p.58: change 02CE thru 02DA to:
D1 65 D4 C5 D5 85 D0 A2 04 B5 D0 95 D1
– MUSIC BOX, p.90: add 027D 84 E7 – STY LIMIT+1
– MINI DIS, p. 125: add 0364 68 – PLA
– LUNAR LANDER, p.84: Press A for altitude display (is not in the Hayden version!)
– WUMPUS, p.107:. If WUMPUS moves into a room. with a pit or superbats, he’ll’ be hidden – you won’t be told WUMPUS CLOSE. Either guess or pitch a can to make him move.
– Asteroid line 0269 should be labeled NOBT
– Blackjack 0292 should be labeled HIT
– PING PONG hex dump 0325 should be “08” not “C0”
– WUMPUS line 06C delete duplicate label “ROOM”
Newsletters and errata
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MOS Technology newsletters |
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MOS Technology April 1976 customer update |
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Customer Errata Letters Customer Errata Letter 1 Customer Errata Letter 2 Customer Errata Letter 3 |
Quick references
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KIM-1 Quick Reference by Jeff Trenter | |
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KIM-1 user guide and notes from the book “Microcomputer Principles featuring the 6502/KIM |
Other MOS Technology documents
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MOS Technology Floating point BCD routines MOS Technology January 1976, Rev 0. Numbers of six digits BCD Mantissa, a two digit BCD Exponent and the signs for the mantissa |
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MCS6532 Design Specification Published before the first 6532 datasheet |
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MCS6500 Microprocessor Software Support Guide for using the MOS Technology Support Software on United Computing Systems timesharing service Describes the MCS6500 Cross Assembler, Simulator and DMP to ROM programs. |
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MCS6500 datasheet May 1976 |
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MDT 650 product description |
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Simplifying Conversion from 6800 to 6502 |
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TIM Software development Aid Product description |
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KIM 2-3-4-5 product descriptions |

Warranty card that came with the KIM-1


Byte Magazine 1978 09 Plugging the KIM-2 Gap
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Byte Magazine 1978 09 Plugging the KIM-2 Gap |




















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