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IBM System/7 Functional Characteristics - All about the IBM 1130 ...

IBM System/7 Functional Characteristics - All about the IBM 1130 ...

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Load from Register (PLR)0 5 8 15Op codeModifier1 1 1 1 1 XXX 0 0 0 010111I I I•••■••••,./.1..".•■••,,,MEN",■•■••,■1••■■........„,••■••F 8-F 0 7The contents of <strong>the</strong> register specified by <strong>the</strong> R field replace <strong>the</strong> accumulator contents.The contents of <strong>the</strong> register are not changed. If R=000, <strong>the</strong> contents of <strong>the</strong> IAR replace<strong>the</strong> contents of <strong>the</strong> accumulator.The PLR instruction does not change <strong>the</strong> carry and overflow indicators. The resultindicators are changed to reflect <strong>the</strong> final contents of <strong>the</strong> accumulator.Example:0 5 8 15PLR instructionOp code R Modifier1 1 1 1 1 0 0 0 000001111111 1 I III I IIIF8 0 70Before PLR operationAccumulator0IAR15 0 151 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0111111111111111F 0 F 00 0 0 0 1111000011111111111111111110 F 00After PLR operationAccumulator0IAR15 0 150 0 0 0 1 1 1 1 0 0 0 0 1 1 11II0 F 00 0 0 0 1 1 1 1 0 0 0 0 1 11111111111111111104-42 GA34-0003

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