Sharp PC-1500 - Page 139

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@ ENTRY ADDRESS
ED95H
0 EXIT STATE
• In Xreg is st ored the value of prev ious Xrcg ad de d with 02H.
•
The one byte of the d er i ve d data is stored in th e acc u mu l ato r.
• Graphic display
© ENTRY PREPARATI ON
• Ou tp ut pattern is s10red in the acc umu l ator.
@ ENTRY ADDRESS
EDE FH
CD EXIT STATE
• Co nt ents of Xrcg, Urcg, and accumulato r become irrel evan t.
• 'o cha nge take s place in the cursor po si ti on .
(Re fere nce)
LC D
I
2BH
I
5AH
• Program display
© ENTRY PREPARATION
A. In th e case of numer ic
Data is store d in the arithmetic regist er (7 AOOH ~ 7A07H).
Fl . In th e case of character stri ng or pr ogra m
Da ta is s to re d in the i np ut buffer (7 BBOH ~7 B FF H).
C ur sor posi ti on is stored in Yrcg. (In the case of pro gram. 7 BH is stored in YH .)
C. P ara m eter Ff F (788 0 H) is set.
Data of 7880H Display co nt ents
40H Character s tr in g is dis played acc or ding to Yr eg.
OO H Char ac ter s tr ing is disp lay ed fr om the top. re g ard le ss of Yfeg
contents.
--
20H Numerical value of the arithmet ic reqist er X is di sp layed.
+ .
1 0H Li ne n umber , space. a nd pro gram are d is played fr om the to p.
14 H
Li ne nu mber . co lon. and prog ra m are di splayed fr om t he t op .
SO H Li ne n um ber and spa ce are disp la yed in a mi ddle of prog ram
ac
cor ding to Yreg.
54H Line num ber and colo n are disp layed in a mi ddle of p rogra m
acco
rding 10 Yr eg.
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