Quantum Data 801GC, 801GF, 801GX manual Hato, Draw a centered crossHATch from, Outside, 134

HATO	draw a centered crossHATch from the
	Outside in
Classification:	Custom image primitive
Command Syntax: HATO <color> <number of horizontal boxes> <number of
	vertical boxes>
Limits:	<color> = available colors
	<number of horizontal boxes> = half of number of pixels
	<number of vertical boxes> = half of number of lines
Query Syntax:	None
Description:	Draws a crosshatch from the Outside-Inof a given color and
	forms a given number of boxes in each direction. All lines are
	one (1) pixel thick. The first and last lines in each direction are
	at the very edges of active video. All the lines in a given direction
	are spaced equally. Any remaining pixels are added to the boxes
	along the horizontal and vertical centers of the image.

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: H A T O y e l l o w 1 5 9 / / D r a w a y e l l o w g r i d

/ /	w i t h 1 5 h o r i z o n t a l a n d 9
/ /	v e r t i c a l b o x 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

6-134 Chapter 6: Programming Model 801GC, 801GF & 801GX¥Rev. A