Sharp PC-1500 - Page 134

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• P re paration of ch arac t er string
Address
Character Character
Conten ts
str ing-1
string-2
D OH
7A04H 7A t 4H
Leading address of
(h i gh ord er ) 7 AOSH 7A 15H
th e c ha r ac ter str i ng
(l ow orde r)
7A 06 H 7A16H
--
Size of th e ch ar act er st ri ng
7A07H 7 A1 7H
For the address where the character string is stored, the st ri ng buff e r (7B I OH ~ 7B 5FH )
can be u se d.
• 1 011 is stored in the string buffer poi nt er (7894H).
© ENTRY ADDRESS
DOF9H
0) EX IT STATE
• When the condition for th e operand is es ta bl ished (Z= O)
7AOOll
'--- 00 - H _.___ oo _ H _f t OH
OO H l OO H
OOH
• When the condition for the operand is not establish ed (Z= I)
7A OOH
OO H
OOH I OO H
~--~--
5-4-4. Se arch
• Variable address search
(i) ENTRY PR EPARATI ON
• Designati on of v ar iable name
OOH
The variable name is stored in th e Urcg.
OO H OO H
7 A0 7H
OO H OOH
7 A0 7H
OO H OOH
• Whether array is one d im ension or t wo dimensi on is stored in parameter FI F
(788CH).
one di me nsi on : 0 I H
two dimensio
n: 02 1-1
• Sub scri pt is stored in t he ar i th me ti c register X (7AOOH ~ 7i\07 H ).
When one dimensi on arra y: the first subscript
When two dimension
arra y: the second subscript
• Subscri pt is stored in the ar i th metic register Y (7AIO H ~ 7Al7 H ) .
When one d im ension array: No need
When two dimension
arra y: the firs t subscript
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