Systems Reference Library - All about the IBM 1130 Computing ...

LOGICAL OR (OR)FORMATS mmigiaOP F T Disp 151 1 1 / 1 1 1 0 1 1 1 0 1 1 I 1 1 1 1 1 1 1E 8-B -X XI0 OP F T AB 0 Cond 15 0 Address1511 1 1 1 1 / 0,1111 I 101010,01010101E C-F 0 or 8 0 X X X X1/7177B 1D ESCR I PTION 5101ESEET777:77=._.The contents of the core-storage location specified bythe effective address (EA) of the instruction are ORedbit by bit with the contents of the accumulator (A).The result replaces the contents of A, while core storageremains unchanged.The possible OR conditions are shown in theillustration.ORStorage 1 1 0 0Accum 1 0 1 0Result 1 1 1 0117178THE CARRY AND OVERFLOW INDICATORS are notchanged by this instruction.A EXAMPLESAssembler Language CodingEquivalent Machine Language Instruction21Label25Operation27 30FT323335 40SeeNoteHexadecimalValueDescriptionFormat1 1 I 0,R 1 I D1I,S,P, 1 I EBXX OR contents of CSL at EA (I+DISP) with Ai1 0,13, I I D,I,S,P, 1 E9XX OR contents of CSL at EA (XRI+DISP) with A1 1 I 0,R, 2 D,I ,S 1P 1 1EAXX OR contents of CSL at EA (XR2+DISP) with AI I I 0 1 R, I 3 D,I,S,P, , 1 EBXX OR contents of CSL at EA (XR3+DISP) with AI I I 01R1 I L A,D,D1R, , ECOOXXXX OR contents of CSL at EA (Addy) with A Long1 I I 0 1 R, I L I A,D,D,R, I I , 1 EDOOXXXX OR contents of CSL at EA (Addr+XR1) with Ai 1 I 0,R, L 2 A,D,D,R, I I I EE00XXXX OR contents of CSL at EA (Addr+XR2) with AI I I 0,R, I L 3 A,D,D,R, I I EFOOXXXX OR contents of CSL at EA (Addr+XR3) with A1 1 1 0,13, 1 I A,D,D,R, 1 1 I EC80XXXX OR contents of CSL at EA (V in CSL at Addr) with AI I I 0,R, I I A,D,D,R, I I ED80XXXX OR contents of CSL at EA (V in CSL at "Addr+XRI")I I I 1 I I I I I I with A, , 1 0,R, I 2 AID,D,R, I1 I I EE80XXXX OR contents of CSL at EA (V in CSL at "Addr+XR2")I I i I III!Iwith AI I I 0,R, 13 A,D,D,R, I I , EF80)0CXX OR contents of CSL at EA (V in CSL at "Addr+XR3")1 1 1 i i I I I I I 1 1 I I with AShortInstructionInstructionDirectAddressingLongInstructionIndirectAddressingOMB' _ 1tw _BM= _32OR