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

SubtractMnemonicExecutiontime (ns)Op code R Displacement Hex equivalent Description of instruction[P]S 800 10010 000 XXXX XXXX 9 0 X X Subtract contents at EA (I AR-I-Disp) from Acc[P]S 800 10010 001 XXXX XXXX 9 1 X X Subtract contents at EA (XR1+Disp) from Acc[P]S 800 10010 010 XXXX XXXX 9 2 X X Subtract contents at EA (XR2+Disp) from Acc[P1S 800 10010 011 XXXX XXXX 9 3 X X Subtract contents at EA (X R 3+Disp) from Acc[NS 800 10010 100 XXXX XXXX 9 4 X X Subtract contents at EA (X R4+Disp) from Acc[P]S 800 10010 101 XXXX XXXX 9 5 X X Subtract contents at EA (XR5+Disp) from Acc[P]S 800 10010 110 XXXX XXXX 9 6 X X Subtract contents at EA (XR6+Disp) from Acc[P]S 800 10010 111 XXXX XXXX 9 7 X X Subtract contents at EA (XR7+Disp) from AccSubtract registerMnemonicExecutiontime (ns)Op code R Modifier Hex equivalent Description of instruction[P] SR 400 11111 000 0000 0010 F 8 0 2 Subtract contents of Acc from Acc[P] SR 400 11111 001 0000 0010 F 9 0 2 Subtract contents of XR1 from Acc[P] SR 400 11111 010 0000 0010 F A 0 2 Subtract contents of XR 2 from Acc[P] SR 400 11111 011 0000 0010 F B 0 2 Subtract contents of XR 3 from Acc[P] SR 400 11111 100 0000 0010 F C 0 2 Subtract contents of XR 4 from Acc[P] SR 400 11111 101 0000 0010 F D 0 2 Subtract contents of XR5 from Acc[P]SR 400 11111 110 0000 0010 F E 0 2 Subtract contents of XR 6 from Acc[P] SR 400 11111 111 0000 0010 F F 0 2 Subtract contents of XR7 from AccSupervisor callMnemonicExecutiontime (ns)Op code Hex equivalent Description of instructionTurn on summary mask and branch via contents ofSVC 2000 10011 9 8 X X * main storage location hex 0009* ReservedSee key to symbols on page A-1A-24 GA34-0003