This section contains information and binaries for the Synertek Systems
SYM-1 Single Board Computer. Additional documents from Synertek, such as
their full 1981-1982 databook, can be found in the Datasheets Archive.
Special thanks to Andrew Dunn, Andrew Lankford, Dallas Shell, Leland Goertz, and
René Sommerlatt for most of the material and the hard work that made this section
possible. If you have additional SYM-1 information, please send them to
Synertek Web Resources
Dallas' SYM-1 Pages - Dallas Shell has
one of the largest sites about the SYM-1. His pages include
photographs, descriptions, and schematics of his many modifications
and expansion projects.
Don's SYM-1 Pages - Don Buska
describes the evolution of his SYM-1 system with photos and descriptions. It also includes
details of his expansion board with static RAM and a Commodore 1541 disk drive interface.
6502 Pages - The pages from this unnamed SYM-1
enthusiast include two SYM-1 systems, FODS (File Oriented Disk System), KTM terminals,
and projects with many photos and downloads.
Synertek SYM-1 Manuals
SYM-PHYSIS: The SYM-1 Users' Group Newsletter
was a newsletter distributed by the SYM Users' Group from September
1979 to December 1983, dedicated to the SYM-1 and other Synertek devices.
All eighteen issues are available in their orginal format in Portable
Document Format (PDF).
Monitor Enhancements -
document describes the differences introduced with the second release of the SYM-1
and its updated Monitor, version 1.1. The changes are mainly in the tape area.
- SYMON1_0.BIN - Monitor Version 1.0 Binary - ready to get burned.
- SYMON1_1.BIN - Monitor Version 1.1 Binary - ready to get burned.
- SYNMON11.ASM - SYM-1 Supermon and audio cassette interface sources,
combined and converted to Telemark Assembler (TASM) 3.1.
RAE: Resident Assembler Editor
SYM-1 BASIC Interpreter
Leland Goertz's Listings
includes both standard hex and raw ASCII dumps of the program. It
was placed in public domain when the company under. The listings
also show the differences between BASIC versions for the SYM-1,
KIM-1, AIM-65, and OSI. An 8KB ROM
Image was extracted from the dumps by Leslie Ayling.
of SYM-1 BASIC has been made available by Lee Davison.
- Synertek BASIC Reference Manual - from Synertek
- BAS_C000.BIN - BASIC 1.1 4k Binary ($C000-CFFF) - ready to get burned.
- BAS_D000.BIN - BASIC 1.1 4k Binary ($D000-DFFF) - ready to get burned.
- BASIC1_1.BIN - BASIC 1.1 8k Binary ($C000-DFFF) - ready to get burned.
- BXT_0200.BIN - BASIC Extension ($0200-11FF) - to be copied to memory.
- BXT_1200.BIN - BASIC Extension ($1200-1705) - to be copied to memory.
FDC-FORTH: FORTH Interest Group FORTH for the SYM-1
Installation Instructions -
from the SYM Users' Group describe how to install
FDC-FORTH on SYM-1 microcomputers with the FDC-1 disk
controller. Modifications for cassette operation are also presented.
perSYMone FDC-1 Floppy Disk Controller
SYM-1/69 Mod Board (Replaces 6502 with 6809)
Synertek KTM-2 Terminal
Saturn Software Limited
SYMulator: The SYM-1 Emulator
is a working SYM-1 simulator by
It based on a modified version of Daryl Rictor's
65C02 simulator and
supports Supermon 1.1 at $8000, Basic at $C000, and RAE at $B000.