Quantum Data 801GC, 801GF, 801GX manual Griv, Draw a GRIll pattern of Vertical lines, 132

GRIV	draw a GRIll pattern of Vertical lines
Classification:	Custom image primitive
Command Syntax:	GRIV <color> <number of pixels in line> < number of pixels
	in space>
Limits:	<color> = available colors
	<number of pixels in line> = number of lines
	< number of pixels in space> = number of lines
Query Syntax:	None

Description: Draws equally spaced vertical lines that form a grill over the entire active video area. The gaps are not touched and will show any previously drawn primitives. The primitive uses three

(3)parameters. The first is the color of the lines. The second is the thickness of the lines and the third is the thickness of the space between the lines.

Other Required Cmds: The FMTU command instructs the generator to use the new setting. The ALLU command updates hardware to the new setting and redraws the test image.

Example: G R I V c y a n 1 6 1 6 / / D r a w c y a n g r i l l w i t h / / 1 6 - p i x e l l i n e s a n d 1 6 - p i x e l

/ / s p a c e s

A L L U / /	U p d a t e
/ /	b u f f e r

h a r d w a r e t o c u r r e n t c o n t e n t s

6-132 Chapter 6: Programming Model 801GC, 801GF & 801GX¥Rev. A