MOD-68, MOD-69, SYM-1/68, SYM-1/69
The MOD-69 and MOD-68 replace the 6502 with a Motorola 6809 or 6802 CPU on an adaptor board and the Monitor is replaced with a new ROM with a new Supermon.
Scans from Synertek Products Guide.
There were also SYM-1’s available with the Motorola processor 6802 : SYM-1/68 and 6809: SYM-1/69.
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SYM-1/69 SYM-1 supplement manual ROM of MOD 69, 2-9002-129 MOD 69 Hi 2-9002-12 MOD 69 Lo PROM 82S129 of MOD 69 (2103 marked IC in photos below |
See also:
History of the TIM in the Jolt
Jolt software
On this page software for the TIM is described.
- DEMON
- Tiny Basic ad Resident Assembler Program
- Focal-65 V3D
...
Images of the Jolt
Above photos by The National Museum of American History.
Photos from https://vinta...
Jolt with a 74154 decoder
The early Jolts were equipped with a 74154 decoder for the glue logic instead of the 74LS00/04/27 of the later and more ...