Well, apparently the PDP-10 MUL instruction really DOES store the high-order word first, and it only stores the low-order word if the destination is an accumulator (weird)
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6 changed files with 118 additions and 46 deletions
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@ -47,5 +47,7 @@
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0o265040000123, // 000122: JSP 1,.+1
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0o270000000000, // 000123: ADD 0,0
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0o265040000125, // 000124: JSP 1,.+1
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0o255740000126, // 000125: JFCL 17,126
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0o224100000002, // 000126: MUL 2,2
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]
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}
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@ -1,24 +1,26 @@
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dep 100 505040111111
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dep 101 541040444444
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dep 102 544100000001
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dep 103 504100000001
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dep 104 570140000001
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dep 105 530200000002
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dep 106 544240000003
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dep 107 504300000004
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dep 110 573000000005
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dep 111 533000000006
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dep 112 541000000010
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dep 113 251000000017
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dep 114 577040000002
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dep 115 261240000011
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dep 116 262240000005
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dep 117 515040170600
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dep 120 135100000001
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dep 121 270000000000
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dep 122 265040000123
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dep 123 270000000000
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dep 124 265040000125
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dep 100 HRLI 1,111111
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dep 101 HRRI 1,444444
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dep 102 HLR 2,1
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dep 103 HRL 2,1
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dep 104 HRRE 3,1
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dep 105 HLLE 4,2
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dep 106 HLR 5,3
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dep 107 HRL 6,4
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dep 110 HRRES 0,5
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dep 111 HLLES 0,6
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dep 112 HRRI 0,10
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dep 113 BLT 0,17
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dep 114 HLRES 1,2
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dep 115 PUSH 5,11
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dep 116 POP 5,5
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dep 117 HRLZI 1,170600
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dep 120 LDB 2,1
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dep 121 ADD 0,0
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dep 122 JSP 1,123
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dep 123 ADD 0,0
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dep 124 JSP 1,125
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dep 125 JFCL 17,126
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dep 126 MUL 2,2
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ex -m 100-116
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dep pc 100
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step 11
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