Difference between revisions of "AMOSi:Screen Copy"
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Revision as of 02:45, 17 November 2007
an example can be found on AMOSPro_Examples:Examples/H-3/Help_39.AMOS
Copies a selected area of the screen from one place to another, using the Amiga's amazing Blitter Chip.
Screen Copy screen1 To screen2
Copies an entire screen.
screen1 holds the source image
screen2 sets the number of the destination screen.
Screen Copy screen1,tx,ty,bx,by To screen2,sx,sy,mode
Copies just part of a screen.
tx,ty enter the coordinates of the top left of the source image
bx,by specify the point diagonally opposite.
sx,sy choose the top left-hand coordinates of the destination.
Screen Copy screen1,tx,ty,bx,by To screen2,sx,sy,mode
Copies using a special blitter mode.
Try mode values like: %11100000, %00110000, %01100000
