gsmask
Purpose
Defines planes to be modified.
C Syntax
int gsmask_ (mask)
int *mask;
FORTRAN Syntax
INTEGER function gsmask (mask)
INTEGER mask
Pascal Syntax
FUNCTION gsmask_ (
VAR mask: INTEGER
): INTEGER [PUBLIC|;
Description
The gsmask subroutine defines the planes actually modi-
fied by the line, text, and fill functions.
Parameters
mask Indicates which planes of the display
adapter frame buffer can be modified by
the output functions. The most signif-
icant bits of the input are used to set
the plane mask.
Return Value
GS_SUCC Successful.
GS_INAC Virtual terminal inactive.