The Museum of HP Calculators

Code Crack for the HP-41C/CV/CX

This program is Copyright © HP and is used here by permission. It was originally printed in the Games II Solution Book. This program was entered and uploaded by Tony Duell. The Barcode for this program was provided by Brian Ward.

This program is supplied without representation or warranty of any kind. Tony Duell, Hewlett Packard and The Museum of HP Calculators therefore assume no responsibility and shall have no liability, consequential or otherwise, of any kind arising from the use of this program material or any part thereof.

Documentation Information (CD or source code)
How to get this Program to your Calculator (via HP-IL, disk, wand, and fingers)
Download Binary (.raw) program for disk or PC HP-IL Card download
Download Hexadecimal (.dat) program for Serial Port download
Display the Program Barcode (.pdf) for printing and scanning

Program Listing

LINE  KEYS
 01 LBL "MM"
 02 FIX 00
 03 CF 29
 04 SF 21
 05 "NO. DIGITS?"
 06 PROMPT
 07 STO 12
 08 "NO. IN CODE?"
 09 PROMPT
 10 STO 11
 11 "SEED?"
 12 PROMPT
 13 STO 10
 14 LBL C
 15 CF 27
 16 9
 17 ENTER
 18 0
 19 STO 14
 20 LBL 00
 21 STO IND Y
 22 DSE Y
 23 GTO 00
 24 XEQ 06
 25 LBL 01
 26 RCL 10
 27 997
 28 *
 29 FRC
 30 STO 10
 31 RCL 11
 32 *
 33 INT
 34 1
 35 +
 36 STO IND 13
 37 1
 38 ST+ IND Y
 39 DSE 13
 40 GTO 01
 41 "GUESS"
 42 ARCL 12
 43 AVIEW
 44 LBL 14
 45 CF 05
 46 STO 00
 47 1
 48 ST+ 14
 49 0
 50 STO 22
 51 STO 23
 52 LBL 10
 53 RCL 00
 54 STO 15
 55 XEQ 06
 56 LBL 02
 57 RCL 15
 58 10
 59 /
 60 FRC
 61 LASTX
 62 INT
 63 STO 15
 64 RDN
 65 10
 66 *
 67 1
 68 FC? 05
 69 ST- IND Y
 70 FS? 05
 71 ST+ IND Y
 72 FS? 05
 73 GTO 11
 74 RDN
 75 RCL IND 13
 76 X=Y?
 77 XEQ 03
 78 LBL 11
 79 DSE 13
 80 GTO 02
 81 FS? 05
 82 GTO 12
 83 RCL 12
 84 RCL 22
 85 X=Y?
 86 GTO 04
 87 9
 88 STO 13
 89 LBL 05
 90 RCL IND 13
 91 X>0?
 92 ST+ 23
 93 DSE 13
 94 GTO 05
 95 RCL 12
 96 RCL 23
 97 -
 98 RCL 22
 99 -
100 STO 23
101 SF 05
102 GTO 10
103 LBL 03
104 1
105 ST+ 22
106 RTN
107 LBL 06
108 RCL 12
109 15.01501
110 +
111 STO 13
112 RTN
113 LBL 04
114 SF 27
115 "OK, "
116 ARCL 14
117 " TRIES"
118 AVIEW
119 RTN
120 LBL 12
121 CLA
122 ARCL 00
123 "  "
124 RCL 22
125 X=0?
126 GTO 07
127 LBL 08
128 "*"
129 DSE X
130 GTO 08
131 LBL 07
132 RCL 23
133 X=0?
134 GTO 13
135 LBL 09
136 "+"
137 DSE X
138 GTO 09
139 LBL 13
140 AVIEW
141 GTO 14
142 END

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