Radio Shack CCR-81 Operation Manual

Computer Graphics Operation Manual
TRS-BO®
'~
Sample
Program
~~l~~
C
PRESET
EXAMPLE
~~2~~
LOGICAL COLOR
~~3~~
COLOR=l
~~4~~
CALL GRPINI(~)
~~5~~
CALL CLS
~~6~~
C
SET PIXEL
TO ON
~~6~~
CALL SETXY(3~~,l2~)
~~8~~
CALL PRESET(COLOR)
~~9~~
C
TEST PIXEL
WHETHER
ON OR OFF
~l~~~
K=POINT(M)
~ll~~ 3~
WRITE (3,35)K
~l2~~
35
FORMAT ('2' ,'PIXEL VALUE
IS',14)
~l3~~
END
PSET
Sets Pixel ON/OFF
PSET
sets the pixel defined by the current (~,y)
coordinates either ON or OFF.
Example
CALL PSET(~)
----------ltadI81hae1l----------
-l~6-

Radio Shack CCR-81 Specifications

General

Brand	Radio Shack
Model	CCR-81
Category	Desktop
Language	English