SET DISPLAY MASK

Specifies which planes can be seen on the alpha display.

SET DISPLAY MASK numeric-expression

Description:

The numeric expression value specifies which display bit planes are displayed. This statement does not affect monochrome displays. This statement is equivalent to CONTROL CRT,20;m.

This statement is not supported by HTBasic. Use MERGE ALPHA or SEPARATE ALPHA.

See Also:

ALPHA HEIGHT, ALPHA PEN, CLEAR SCREEN, MERGE ALPHA, SEPARATE ALPHA, SET ALPHA MASK