Quantum Data 801GC, 801GF, 801GX manual Form, Draw FORMat data block, 127

FORM	draw FORMat data block
Classification:	Custom image primitive
Command Syntax: FORM <color> <x> <y>
Limits:	<color> = available colors
	<x> = positive integer number
	<y> = positive integer number
Query Syntax:	None
Description:	Displays basic information about the format driving the display.
	The first line shows the number of horizontal active pixels and
	vertical active lines. The last number on the line is the number
	of fields per frame (one (1) for non-interlaced and two (2) for
	interlaced). The second and third lines show the horizontal and
	vertical rates respectively. Text is on a black rectangular
	background with a single pixel border.
	FORM uses three (3) parameters. The first is the color of the
	text and border. The next two (2) are the X and Y coordinates
	for the top left-hand corner of the block of text.

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: F O R M b l u e 3 0 2 0 0 / / D i s p l a y f o r m a t

/ / i n f o r m a t i o n i n b l u e b e g i n n i n g a t / / X = 3 0 , Y = 2 0 0

A L L U / / U p d a t e h a r d w a r e t o c u r r e n t / / b u f f e r c o n t e n t s

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