Vtech PreComputer Power Pad Plus User Manual - Page 53
Xpset Ypreset
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PSET This command is used for drawing a specified point on the screen. PSET X, Y (X, Y) is a coordinate of the specified point to be shown. X represents a value of a horizontal position. Y represents a value of a vertical position. Example: 10 CLS 20 PSET 100, 8 RUN The result: a screen pixel at coordinate (100, 8) will be turned on. PRESET This command turns off a specified point on the screen. PRESET X, Y (X, Y) is the coordinate of the specified point to be cleared. X represents a value of a horizontal position. Y represents a value of a vertical position. Example: 10 CLS 20 FOR X= 50 TO 100 30 PSET X, 8 40 FOR DELAY= 1 TO 70 50 NEXT DELAY 60 PRESET X, 8 70 NEXT X 80 END 49
49
PSET
This command is used for drawing a specified point on the screen.
PSET X, Y
(X, Y) is a coordinate of the specified point to be shown.
X represents a value of a horizontal position.
Y represents a value of a vertical position.
Example:
10
CLS
20
PSET 100, 8
RUN
The result:
a screen pixel at coordinate (100, 8) will be turned on.
PRESET
This command turns off a specified point on the screen.
PRESET X, Y
(X, Y) is the coordinate of the specified point to be cleared.
X
represents a value of a horizontal position.
Y
represents a value of a vertical position.
Example:
10
CLS
20
FOR X= 50 TO 100
30
PSET X, 8
40
FOR DELAY= 1 TO 70
50
NEXT DELAY
60
PRESET X, 8
70
NEXT X
80
END