An 8-bit computer based on Ben Eaters version of SAP-1 modified to use larger parallel flash/RAM for future upgrades.
YASAP-1 consists of the following blocks:
- 4-bit Program Counter
- 8-bit Register A (First operand)
- 8-bit Arithmetic Logic Unit with following functions:
- A + B
- A - B
- Carry and Zero flags
- 8-bit Register B (Second operand)
- 8-bit Output register with 4 digit 7-segment display
- Clock with manual step mode
- 4-bit Memory Address Register
- 16 x 8-bit SRAM
- Memory controller for writing user data to RAM
- 8-bit Instruction Register
- Control logic
