Central Processing Unit
HRS-100 has a 32-bit TTL MSI processor with following capabilities:
- four basic arithmetic operations are implemented in hardware for both fixed point and floating point operations
- Addressing modes: immediate/literal, absolute/direct, relative, unlimited-depth multi-level memory indirect and relative-indirect
- 7 index registers and dedicated "index arithmetic" hardware
- 32 interrupt "channels" (10 from within the CPU, 10 from peripherals and 12 from interconnection devices and analog computer)
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