000 gen SELECT 001 gen ADD 002 gen SUBTRACT 003 gen COPY 004 gen AUGMENT 005 gen TRANSFER 006 gen MULTIPLY 007 gen MULTIPLY and ADD 008 gen MULTIPLY and SUBTRACT 009 gen DIVIDE 010 gen SELECT LITERAL 011 gen ADD LITERAL 012 gen SUBTRACT LITERAL 016 gen MULTIPLY LITERAL 017 gen MULTIPLY LITERAL and ADD 019 gen DIVIDE LITERAL 020 gen SELECT F/Point 021 gen ADD F/Point 022 gen SUBTRACT F/Point 023 gen COPY F/Point 024 gen AUGMENT F/Point 025 gen TRANSFER F/Point 026 gen MULTIPLY F/Point 029 gen DIVIDE F/Point 030 gen SHIFT (A) BY QUARTETS 032 gen SHIFT (AB) BY QUARTETS 031 gen SHIFT (A) BY BITS 033 gen SHIFT (AB) BY BITS 034 gen SET (N) IN B 035 gen PREPARE FOR DIGIT COLLATION 036 gen COLLATE AND ADD 037 gen REPLACE SELECTED BITS 038 gen ROUND OFF 039 gen ROUND UP 040 gen OPEN FILE 045 gen REWIND 041 gen CLOSE FILE 042 gen INPUT 043 gen OUTPUT 044 gen SET/SELECT REEL COUNTER 048 gen STEP BACK 049 gen STEP FORWARD 046 gen RUN BACK 047 gen RUN ON 051 gen UNPACK VARIABLE FIELD DATA 050 gen UNPACK FIXED FIELD DATA 052 gen EDIT 053 gen CONDENSE 054 gen BULK CLEAR 055 gen BULK COPY 056 gen TABLE LOOKUP 057 gen MERGE CONSTANT LENGTH ITEMS 058 gen MERGE VARIABLE LENGTH ITEMS 059 gen SET MODIFICATION REGISTER FOR MERGE 060 gen SET DECIMAL RADIX 061 gen SET STERLING RADIX 062 gen SET EXCESS CONSTANTS 063 gen CONVERT DECIMAL TO STERLING 064 gen CONVERT STERLING TO DECIMAL 065 gen CONVERT 066 gen SET UP FOR SIGNIFICANT DIGIT FLOATING POINT ARITHMETIC 067 gen SET UP FOR NORMALISED FLOATING POINT ARITHMETIC 070 gen JUMP IF A == 0 071 gen JUMP IF A != 0 072 gen JUMP IF A >= 0 073 gen JUMP IF A < 0 074 gen JUMP IF AB == 0 // 27, 1, 0 075 gen JUMP IF AB != 0 076 gen JUMP unconditional 077 gen JUMP IF A* == 0 078 gen JUMP IF A* != 0 079 gen JUMP IF A* >= 0 080 gen ENTER SUBROUTINE 081 gen START OF SUBROUTINE 082 gen END OF SUBROUTINE / LEAVE SUBROUTINE 083 gen SET SWITCH(ES) AT LITERAL VALUE 084 gen SET SWITCH(ES) AT VARIABLE VALUE 085 gen SWITCH R 086 gen SELECT SWITCH R 087 gen SWITCH ACCORDING TO N 090 gen SET MODIFICATION REGISTER AT LITERAL 091 gen SET MODIFICATION REGISTER AT VARIABLE 092 gen SET MODIFIER AT VARIABLE 093 gen SET (N) AS MODIFIER 097 gen STEP ON AND TEST MODIFICATION REGISTER (VARIABLE) 094 gen STEP ON AND TEST MODIFICATION REGISTER (LITERAL) 095 gen SELECT MODIFICATION REGISTER 096 gen SELECT MODIFIER 098 gen ADD MODIFICATION REGISTER TO A 099 gen SUBTRACT MODIFICATION REGISTER FROM A 140 gen CLEAR AB 141 gen DOUBLE LENGTH ADD 142 gen DOUBLE LENGTH SUBTRACT 143 gen DOUBLE LENGTH COPY 145 gen DOUBLE LENGTH TRANSFER 146 gen DOUBLE LENGTH MULTIPLY 147 gen DOUBLE LENGTH MULTIPLY and ADD 148 gen DOUBLE LENGTH MULTIPLY and SUBTRACT 150 gen OFFER OPTIONS 151 gen UNLOAD PROGRAMME 152 gen OVERLAY 153 gen SELECT DATE TO A, TIME TO B 154 gen COMMENT IN LOG 155 gen SELECT PROGRAM SERIAL TO A 156 gen RELEASE ROUTE(S) ALLOCATED TO FILE B 157 gen EXPAND 158 gen COMPARE