HP -67 Owner's Handbook Manual page 280

276 Card Reader Operations
Thus, a 224-step program loaded in the calculator and a magnetic
card containing a 50-step program (and 174 instructions) might
look like the illustration below:
Program loaded in calculator. Program recorded on magnetic card.
000 000
001 [ o 001 (2 a
002 B 002 1
003 0O 0
|
%
]
oas
5
116 0
049 @
7 B
050 O
118 M
051 [RES
119 @ 052 (B
1200
T~
121 (53 (@ T~
—~——— 210 (3
166 [ 217
167 218
168 (2 219
169 & 220
% 221
222 222
223 @ 223
224 224 (RS
If you set the calculatorto step 118, press [ (MERGE], and pass the
card through the card reader, the instructions from the card will be
merged in beginning with step 119 and continuing through step 168.
(That is, 118 + 50 = 168). All instructions after step 118 will be
replaced in the original program, either by program instructions or
instructions from the magnetic card.