Odkazy:
Fakta:
Obrázek 77.16. Instrukční slovo AN/FSQ-7
| | | |<---------------------- LEFT HALF-WORD ----------------------->|<---------------------- RIGHT HALF-WORD ---------------------->| | | | +---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+ |LS |L1 |L2 |L3 |L4 |L5 |L6 |L7 |L8 |L9 |L10|L11|L12|L13|L14|L15|RS |R1 |R2 |R3 |R4 |R5 |R6 |R7 |R8 |R9 |R10|R11|R12|R13|R14|R15| +---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+ | | | | CLASS | | | | |<--INDEX-->|<--CLASS-->|<--VARIATION-->| |<-------------------------- ADDRESS -------------------------->| | | INDICATOR | | | | | | | | | |<----- AUXILIARY ----->| | | ↑ | | | | | +---- FIRST BIT OF ADDRESS
Tabulka 77.20. Sumary of AN/FSQ-8 instructions
Instruction Name | Mnemo. Name | Octal Code | Exec. Time | Indexable | Cause Overflow |
---|---|---|---|---|---|
Reset Index Register from Right Accumulator | XAC | 764 | 6μs | No | No |
Store Address | STA | 340 | 18μs | Yes | No |
Add Index Register | ADX | 770 | 6μs | No | No |
Clear and Add Magnitudes | CAM | 160 | 12μs | Yes | No |
Difference Magnitudes | DIM | 164 | 12μs | Yes | No |
Add B Registers | ADB | 114 | 12μs | No | Yes |
Multiply | MUL | 250 | 17±0.5μs | Yes | No |
Twin and Multiply | TMU | 254 | 17±0.5μs | Yes | No |
Divide | DVD | 260 | 51.5±0.5μs | Yes | No |
Twin and Divide | TDV | 264 | 51.5±0.5μs | Yes | No |
Shift Left and Round | SLR | 024 | Variable | No | Yes |
Dual Shift Left | DSL | 400 | Variable | No | No |
Dual Shift Right | DSR | 404 | Variable | No | No |
Left Element Shift Right | LSR | 440 | Variable | No | No |
Right Element Shift Right | RSR | 444 | Variable | No | No |
Accumulators Shift Left | ASL | 420 | Variable | No | No |
Accumulators Shift Right | ASR | 424 | Variable | No | No |
Dual Cycle Left | DCL | 460 | Variable | No | No |
Full Cycle Left | FCL | 470 | Variable | No | No |
Extract | ETR | 004 | 12μs | Yes | No |
000 | μs |
Inspirován architekturou Whirlwind II
Součást SAGE
MIT and IBM developed the IBM AN/FSQ-7 computer to run the SAGE centers.