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- '* ************************************************************* *
- '* demo3.bas For QuickBASIC - Demonstrates how to set palettes *
- '* *
- '* Use the RM to create palette tables. *
- '* ************************************************************* *
-
- DEFINT A-Z
- DECLARE SUB SETRGB (C%, r%, g%, b%)
- DECLARE SUB DRAWBARS ()
- DECLARE SUB WAITFORKEY ()
-
- SCREEN 12
-
- DRAWBARS
- WAITFORKEY
-
- FOR i = 0 TO 15
- READ r, g, b
- SETRGB i, r, g, b
- NEXT
-
- LOCATE 20, 40
- PRINT "NEW PALETTE"
-
- WAITFORKEY
-
- ' BASIC Palette Source, 16 Colors (RGB)
-
- DATA &H00,&H00,&H00,&H3F,&H15,&H15,&H3F,&H18,&H18,&H3F,&H1B,&H1B
- DATA &H3F,&H1E,&H1E,&H3F,&H21,&H21,&H3F,&H24,&H24,&H3F,&H27,&H27
- DATA &H3F,&H2A,&H2A,&H3F,&H2D,&H2D,&H3F,&H30,&H30,&H3F,&H33,&H33
- DATA &H3F,&H36,&H36,&H3F,&H39,&H39,&H3F,&H3C,&H3C,&H3F,&H3F,&H3F
-
- SUB DRAWBARS STATIC
- numcolors = 16
- barwidth = 640 / numcolors
- barheight = 480 / 2
- FOR i = 0 TO 15 STEP 1
- LINE (i * barwidth, 0)-(i * barwidth + barwidth, barheight), i, BF
- NEXT i
- END SUB
-
- DEFSNG A-Z
- SUB SETRGB (C%, r%, g%, b%) STATIC
- PALETTE C%, 65536 * b% + 256 * g% + r%
- END SUB
-
- DEFINT A-Z
- SUB WAITFORKEY STATIC
- DO
- LOOP WHILE INKEY$ = ""
- END SUB
-
-