A comprehensive 1985 Commodore computer reference guide by Karl J.H. Hildon. This 122 page masterpiece contains loads of hardcore Commodore technical data tables. Here's a rundown of the inside NFO:

1984 to 1987 Calendars

Error Messages

BASIC Abbreviations

Greek Alphabet

Assembler Commands

Pocket Op-Codes Chart

Hexadecimal Conversion Chart

Instruction Set Summary

BASIC 2.0/BASIC 4.0 Memory Map

BASIC 2.0/BASIC 4.0 ROM Routines

VIC 20, Commodore 64 and Commodore 16/Plus 4 ROM Memory Maps

Commodore Disk Specifications

BAM (Block Allocation Map) Formats

4040, 8050 and 1541 Disk Memory Maps

Music Symbols

Note Frequency Table

VIC 20 and Commodore 64 SID Note Values

Commodore 64 SID Envelope Rates

PET, VIC 20, Commodore 64, and +4/C16 Screen Maps

PET, VIC 20, Commodore 64, and +4/C16 Colour Table Maps

True ASCII Conversion Table

Commodore 64 Board Layout

Chip Pinouts

Names For Large Numbers

Constant Values

Roman Numerals

Boolean Truth Table

Force Formulae

Unit Conversion Table

Geometric Areas and Volumes

Periodic Table of the Elements

...

And more!

ISBN 0-9692086-0-X