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

OR registerMnemonicExecutiontime (ns)Op code R Modifier Hex equivalent Description of instruction[P] OR 400 11111 000 0000 0100 F 8 0 4 OR contents of Acc with Acc[P] OR 400 11111 001 0000 0100 F 9 0 4 OR contents of XR 1 with AccIll OR 400 11111 010 0000 0100 F A 0 4 OR contents of XR2 with Acc[P] OR 400 11111 011 0000 0100 F B 0 4 OR contents of XR3 with Acc[P] OR 400 11111 100 0000 0100 F C 0 4 OR contents of XR4 with Acc[P] OR 400 11111 101 0000 0100 F D 0 4 OR contents of XR5 with Acc[P] OR 400 11111 110 0000 0100 F E 0 4 OR contents of XR6 with Acc[P] OR 400 11111 111 0000 0100 F F 0 4 OR contents of XR7 with AccOR to maskMnemonicExecutiontime (ns)Op code R Modifier Hex equivalent Description of instruction[P] OM 400 10110 000 0000 0001 B 0 0 1 OR contents of Acc with interruption mask register[P] OM 400 10110 001 0000 0001 B 1 0 1 OR contents of XR1 with interruption mask register[P] OM 400 10110 010 0000 0001 B 2 0 1 OR contents of XR2 with interruption mask register[P] OM 400 10110 011 0000 0001 B 3 0 1 OR contents of XR3 with interruption mask register[P] OM 400 10110 100 0000 0001 B 4 0 1 OR contents of XR4 with interruption mask register[P] OM 400 10110 101 0000 0001 B 5 0 1 OR contents of XR 5 with interruption mask register[P] OM 400 10110 110 0000 0001 B 6 0 1 OR contents of X R 6 with interruption mask register[P] OM 400 10110 111 0000 0001 B 7 0 1 OR contents of XR7 with interruption mask registerSee key to symbols on page A-1A-16 GA34-0003