HP -67 Owner's Handbook Manual page 7

Initializinga Program .......... ... ... o i 150
Running the Program ........... ..., 151
Resettingto Step 000 .......... ..., 151
Single-Step Execution of a Program ................... 152
Modifying a Program ... 154
Single-Step Viewing without Execution................. 155
Goingtoa Step Number ......................oalL. 157
Stepping Backwards through a Program ............... 158
Running the Modified Program........................ 160
Deleting an Instruction ................. ... .. 161
Problems. ... ... 164
Section 8: Interrupting Your Program ........... 169
USING . oottt e e 169
PausinginaProgram ................. ...l 172
Pausing to View Qutput . ......................o0. 172
Pausing forlnput . ... 175
Section 9: Branching ............................. 179
Unconditional Branching and Looping ................. 179
Problems . ... ... 182
Conditionals and Conditional Branches ................ 185
Problems . ... ... .. 192
Section 10: Subroutines........................... 197
Routine-Subroutine Usage ........................... 204
Subroutine Limits . .......... 206
Problems . ... ... 208
Section 11: Controlling the I-Register ............ 213
Storinga NumberinI................................ 213
Exchangingxand I.......... .. ... it 214
Incrementing and Decrementing the I-Register ......... 215
Problems . ... .o 220
Section 12: Using the I-Register for
Indirect Control ................................ 223
Indirect Display Control ............c.ccooviiiiiea... 225
Indirect Storeand Recall ............................. 229
Indirect Incrementing and Decrementing
of Storage Registers . ........... ... il 238
Indirect Control of Branches and Subroutines........... 238
Rapid Reverse Branching ............................ 244
Problems . ... ... . 250