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258 Appendix A Command Reference

draw a centered CROSs

Class Custom image primitive

Description Draws a large centered cross that fills the active video area. The vertical line is 2 pixels

thick if the format has an even number of active pixels. The horizontal line is 2 pixels thick

if the format has an even number of active lines. The primitive uses a single parameter,

the color of the cross.

Command syntax CROS color

available colors

Other required

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.

CROS magenta // Draw a large cross in the center of the active video

ALLU // Update hardware to current buffer contents

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