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v7n11.arc
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FILL.BAS
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BASIC Source File
|
1988-05-02
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250b
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9 lines
DEF SEG = &HB800 'CGA display memory segment
SCREEN 1
X = TIMER
WHILE X + .5 > TIMER 'allow screen time to settle
WEND
FOR X = 0 TO 15999 'turn on all pixels in succession
POKE X, 255
NEXT