Radio Shack 26-1145 Operation Manual

Operation Manual
Computer Graphics
----------TRS-BO ® ----------
Functions
POINT
Reads Pixel Value at Current Coordinates
POINT returns the OFF/ON pixel value at current x and y
coor~inate as specified by SETXY or SETXYR. If the point is
not in the current viewport, POINT returns -1.
Example
K=POINT(M)
Sample Program (see PSET)
FVIEW
Reads Viewport's Parameters
FVIEW returns the specified viewport parameter:
~ = returns the left X-coordinate
1 = returns the left Y-coordinate
2 = returns the right X-coordinate
3 = returns the right Y-coordinate
Example
I=FVIEW(~)
--------- lIadlOlhaell---------
-112-

Radio Shack 26-1145 Specifications

General

Brand	Radio Shack
Model	26-1145
Category	Desktop
Language	English