Epson MX-80 User Manual page 83

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Appendi>

To switch back to the screen only, type:

P R # 0

< c r >

Sample Apple Program

To demonstrate alternate use of the screen and Printer in dialogue situations, try

this sample program:

1 0

P R # 1

: <CTRL

I > 8 0 N

2 0 PRINT "THE MX-80 WILL P R I N T MORE THAN 40

COLUMNS";

3 0 P R I N T " I N T H I S DEMONSTRATION PROGRAM.

J U S T WATCH!

4 0 PR#0

: I N P U T " E N T E R YOUR NAME";A$

5 0 P R # 1

: P R I N T

"THANK YOU " ; A $ ; "

I ' M

S U R E " ;

6 0

P R I N T " Y O U ' L L GET USED TO T H I S STYLE OF PROGRAMMING.

Other Apple Considerations

The Apple interface card does not allow ASCII codes greater than 127. Codes

128-255 are simply duplicates of 0-1 27. This means no graphics characters can be

printed.

The Apple BASIC interpreter tested does not support the STRINGS statement. It

can be simulated by the technique demonstrated in Chapter 2. For additional in-

formation see The BASIC Handbook,

by Lien.