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Programming Techniques 13–17
File name 32sii-Manual-E-0424
Printed Date : 2003/4/24 Size : 17.7 x 25.2 cm
Program lines: Description:
"!
"!
Checksum and length: 6157 004.5
It is easier to recall A than to remember where it is in the
stack.
.
Calculates A – B.
!
Replaces old A with new result.
Recalls constant for comparison.
º6¸@
Is B
<
new A
?
!
Yes: loops to repeat subtraction.
#$
No: displays new A.
!
Checksum and length: 5FE1 013.5
Loops With Counters (DSE, ISG)
When you want to execute a loop a specific number of times, use the
z
k
(increment; skip if greater than). or
{
m
(decrement; skip if less
than or equal to) conditional function keys. Each time a loop function is
executed in a program, it automatically decrements or increments a counter
value stored in a variable. It compares the current counter value to a final
counter value, then continues or exits the loop depending on the result.
For a count–down loop, use
{
m
variable
For a count–up loop, use
z
k
variable
These functions accomplish the same thing as a FOR–NEXT loop in BASIC:
variable = initial–value
!
final–value
!
increment