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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 and zeroMnemonicExecutiontime (ns)Op code R Displacement Hex equivalent Description of instruction[P] LZ 1200 11001 000 XXXX XXXX C 8 X X Contents of storage at EA (IAR+Disp) loaded intoAcc and contents at EA set to 0[P] LZ 1200 11001 001 XXXX XXXX C 9 X X Contents of storage at EA (XR1+Disp) loaded intoAcc and contents of EA set to 0[P] LZ 1200 11001 010 XXXX XXXX C A X X Contents of storage at EA (XR2+Disp) loaded intoAcc and contents at EA set to 0[P] LZ 1200 11001 011 XXXX XXXX C B X X Contents of storage at EA (X R 3+D isp) loaded intoAcc and contents at EA set to 0[P] LZ 1200 11001 100 XXXX XXXX CCXX Contents of storage at EA (XR 4+D isp) loaded intoAcc and contents at EA set to 0[P] LZ 1200 11001 101 XXXX XXXX C D X X Contents of storage at EA (X R 5+Disp) loaded intoAcc and contents at EA set to 0[P] LZ 1200 11001 110 XXXX XXXX CEXX Contents of storage at EA (XR6+Disp) loaded intoAcc and contents at EA set to 0[P] LZ 1200 11001 111 XXXX XXXX CFXX Contents of storage at EA (X R 7+Disp) loaded intoAcc and contents at EA set to 0Load from registerMnemonicExecutiontime (ns)Op code R Modifier Hex equivalent Description of instruction[P] LR 400 11111 000 0000 0111 F 8 0 7 Load contents of I AR into Acc[P] LR 400 11111 001 0000 0111 F 9 0 7 Load contents of XR 1 into Acc[P] LR 400 11111 010 0000 0111 F A 0 7 Load contents of X R 2 into Acc[P] LR 400 11111 011 0000 0111 F B 0 7 Load contents of XR 3 into Acc[P] LR 400 11111 100 0000 0111 F C 0 7 Load contents of XR 4 into Acc[P] LR 400 11111 101 0000 0111 F D 0 7 Load contents of XR5 into Acc[P] LR 400 11111 110 0000 0111 F E 0 7 Load contents of XR 6 into Acc[P] LR 400 11111 111 0000 0111 F F 0 7 Load contents of XR 7 into AccSee key to symbols on page A-1<strong>System</strong>/7 Instruction Set A-13

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