HP HP-15C - Page 7

Contents 7
Flags ..........................................................................
92
Examples .......................................................................
93
Example: Branching and Looping ...................................
93
Example: Flags ............................................................
95
Further Information ..........................................................
97
GoTo ..........................................................................
97
Looping ......................................................................
98
Conditional Branching ..................................................
98
Flags ..........................................................................
98
The System Flags: Flags 8 and 9 ....................................
99
Section 9: Subroutines ...............................................
101
The Mechanics ...............................................................
101
GoTo Subroutine and Return ..........................................
101
Subroutine Limits ..........................................................
102
Examples .......................................................................
102
Further Information ..........................................................
105
The Subroutine Return ...................................................
105
Nested Subroutines ......................................................
105
Section 10: The Index Register and Loop Control ...........
106
The V and % Keys ....................................................
106
Direct Versus Indirect Data Storage With
The Index Register .....................................................
106
Indirect Program Control With the Index Register .............
107
Program Loop Control ...................................................
107
The Mechanics ...............................................................
107
Index Register Storage and Recall ..................................
107
Index Register Arithmetic ...............................................
108
Exchanging the X-Register .............................................
108
Indirect Branching With V .........................................
108
Indirect Flag Control With V ......................................
109
Indirect Display Format Control With V .......................
109
Loop Control with Counters: I and e ..................
109
Examples .......................................................................
111
Examples: Register Operations .......................................
111
Example: Loop Control With s .................................
112
Example: Display Format Control ....................................
114
Further Information ..........................................................
115
Index Register Contents .................................................
115