Sharp PC-1500 - Page 136

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• Search of program line
CD ENTRY PREPARATION
• Linc nu mber is stored in the Urcg (000 1 H ;;;; Urcg :i> FFF FH).
® ENTRY ADDRESS
D2EAH
• Subroutine is called in the followi ng format:
S.J P D2 EA H
Dll DA
TA
(3) EXIT ST A TE
• Wh en th e specif ie d l in e is found
Returns
IO the addr ess that follows DB DATA after storing the data in S EA RC H
(78A 6H ~ 78AB H ) .
78 A6H Leading address or 1he l in e
78 A7H Lea di ng address or 1h e line
78A 8H L in e nu mber
78A 9H L in e num ber
7 8A AH Lead ing add ress of the line plus 3
7 8AB H
Leading add ress of the line plus 3
• When t he specified li ne is no t found
Returns to the "da ta wri uen address" plus one after storing the error
code in U H .
Carry
Condition
0
No specif ie d line foun d. and searc t1 is made to ! he last or the prog ram .
1 Foun d the li ne f3rger lh an the specil ied line.
5-4-5. Display
• One character display
CD ENTRY PREPARATION
• D is pl ay sta rt position is st ored in the cursor poi nt er (7 8 75 H). Cur sor wi ll he effective
w
it hin a ra nge of OO H to 98H.
• Code of display character is stored in the accumulato r.
® ENTRY ADDRESS
E D5 7H
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