Sharp PC-1500 - Page 53

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® BVR (Branch if V Reset)
If V=O. it jumps by relati ve address.
If V= I. it executes the next program step.
1
o change takes place in nags.
• Format
BV R +i
BVR- i
@ LOP (LOoP)
If borrow is not pro du ce d a ft er su btr ac ti ng " I" fr om the UL register. the pr ogr am
cou nter is subtracted by the immediate dat a. then it jumps to relative ad dress f or next
program execution.
If there is
bo rrow. (UL < O). it proceeds to the succeeding program step.
'o change takes
place in nag:..
•
Format
LOP i
(EX) LOP 5
P =4005 H
UL =05H
• Operation
UL- I - UL
1
0: p - i - p
Bo rr ow = .
I: To su ccccc. hn g st ep
4000H
P= 4000H
UL 0411
When UL ~ O
4003H LOP
4 QOllH 05 H
4005 H
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