Reading old HP-65 program cards
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03-03-2021, 12:28 AM
Post: #9
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RE: Reading old HP-65 program cards
(03-02-2021 11:53 PM)Gene Dorr Wrote: That's certainly helpful. It looks like there's no header at all, just the raw program memory. Any clue where I might find the decoding of the 6-bit values beyond what is shown in the example? 0 NOP 1 STO 4 2 3 3 2 4 1 5 STO 6 6 x 7 x!=y? 8 g 9 ROLUP 10 RCL 11 STO 12 f-1 13 ROLDN 14 f 15 RCL 8 16 RCL 7 17 X<>Y 18 6 19 5 20 4 21 RCL 6 22 + 23 RCL 4 24 E 25 x=y? 26 D 27 C 28 B 29 RCL 5 30 A 31 RCL 3 32 RCL 2 33 RCL 1 34 R/S 35 . 36 0 37 STO 7 38 / 39 A 40 B 41 x>y? 42 RTN 43 LBL 44 GTO 45 STO 5 46 DSP 47 STO 3 48 STO 2 49 STO 1 50 9 51 8 52 7 53 STO 8 54 - 55 x<=y? 56 CLx 57 Sub Pointer 58 EEX 59 CHS 60 LSTx 61 Pointer 62 ENTER 63 Top Of Memory cheers Tony |
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