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Casio AL-1000 Technology
Electronics
Casio AL-1000
Discrete Transistor Logic
Architecture, Memory & Speed
- 14 displayed digits, 1 sign digit and one decimal position digit = 16 digit word
- Digits encoded as 4-bit BCD, digit-serial processing over 4-bit internal bus
- Core memory, 4 registers x 16 digits x 4 bits = 256 cores
Construction
Ten double-sided boards plug into a hand-wired backplane.
Technical Analysis
The AL-1000 has been magnificently reverse-engineered, documented and analysed by Brent Hilpert.
See the Data section for links to his excellent site.