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- ' -- VGA background color demo program --
- DEFINT A-Z: SCREEN 12: CLS
- PRINT "Press RrGgBb to set colors ESC to quit"
- DO:
- X$ = INPUT$(1)
- IF X$ = CHR$(27) THEN CLS : END
- IF X$ = "R" THEN RED = RED + 1
- IF X$ = "r" THEN RED = RED - 1
- IF X$ = "G" THEN GREEN = GREEN + 1
- IF X$ = "g" THEN GREEN = GREEN - 1
- IF X$ = "B" THEN BLUE = BLUE + 1
- IF X$ = "b" THEN BLUE = BLUE - 1
- IF RED > 63 THEN RED = 0
- IF RED < 0 THEN RED = 63
- IF GREEN > 63 THEN GREEN = 0
- IF GREEN < 0 THEN GREEN = 63
- IF BLUE > 63 THEN BLUE = 0
- IF BLUE < 0 THEN BLUE = 63
- BACKCOLOR& = 65536 * BLUE + 256 * GREEN + RED
- PALETTE 0, BACKCOLOR&
- LOCATE 30, 1
- PRINT "RED:"; RED; " BLUE:"; BLUE; " GREEN:"; GREEN;
- PRINT " COLOR NUMBER:"; BACKCOLOR&;
- LOOP
-
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