The Museum of HP Calculators

Count-Down Timer for the HP-95C

This program is Copyright © 1977 by Hewlett-Packard Company and is used here by permission. It was originally printed in the HP-95C Applications book. This program was entered by André Wilhelmus and the curator added comments from the HP manual.

This program is supplied without representation or warranty of any kind. André Wilhelmus, 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.

Program Listing

CODE KEYS
A-000    lbl A f LBL A
A-001 61 21  4 f FIX 4 Store constant.
A-002    35  0 STO 0 - - - - - - - - - - - - - - - - - - - -
A-003 61 63  2 f LBL 2
A-004        0 0
A-005       14 PRINT x "Alarm"
A-006       64 R/S - - - - - - - - - - - - - - - - - - - -
A-007    35  1 STO 1 Store time.
A-008    61 39 f H.MS→H
A-009    45  0 RCL 0
A-010       39 ×
A-011    35 52 STO I Store counter.
A-012    45  1 RCL 1
A-013       64 R/S - - - - - - - - - - - - - - - - - - - -
A-014 61 63  1 f LBL 1
A-015    62 52 g DSZ Loop on counter.
A-016    63  1 GTO 1 - - - - - - - - - - - - - - - - - - - -
A-017    63  2 GTO 2 Go to "alarm"
b-000    lbl b f LBL B - - - - - - - - - - - - - - - - - - - -
b-001    61 49 f H.MS−
b-002    61 39 f H.MS→H
b-003    45  1 RCL 1
b-004    61 39 f H.MS→H Calibrate constant.
b-005       24 ÷
b-006       44 1/x
b-007    45  0 RCL 0
b-008       39 ×
b-009       14 PRINT x
b-010    63  A GTO A

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