Sharp PC-1500 - Page 133

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5-4-3. Comparison
• Comparison of numeric
(Numeric I) O (numeric 2)
O Indicat es th e operand.
(i) ENTRY PREPARATION
• Setup of op erand
Operand Accumulator data
<> OOH
< Ol H
> 02H
- !----
=
04H
< =
05H
t-
> -
-1
OOH
'-
-
-
• The numeric is stored in the arithme ti c register in a format of decimal fi gu re.
N umeric 1 Ar i thmet ic r eg ister X (7 AOOH ~ 7 A07H )
Nu me ric 2 Ar it h me tic re gi ster X ( 7A 1 0H ~ 7107 H )
Q) ENTRY ADDRESS
DOD 2H
(i) EXIT STATE
• Wh en the operand is estab li shed
The fla g Z is reset to " ()'' and the arithmetic r eg ist er turns 10 " I".
7AOOH
OOH
OO H
JOH OOH OO H OO H OOH
• When th e operand is not established
The
fl ag Z is set to "I" and the arithm et ic register turns to " O" .
7i\07H
(J OH
7A 00H 7A07H
OOH OOH OO H oo.:;- 1 OO H OOH OO H OOH
• Comparison of character string
(Character string-I) O (character string- 2)
() Indicates the operand.
(i) ENTRY PREPARATION
• Designat io n of th e operand
I
Operand
Accumulator data
I
<>
OO H
<. Ol H
>
02H
L r
04 H
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