Greyscale bars/Display: Difference between revisions
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ANSI Standard BASIC, BASIC256, and BBC BASIC moved to the BASIC section.
m (ANSI Standard BASIC, BASIC256, and BBC BASIC moved to the BASIC section.) |
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RET
</syntaxhighlight>
=={{header|ANSI Standard BASIC}}==▼
{{trans|BBC BASIC}}▼
<syntaxhighlight lang="ansi standard basic">100 SET WINDOW 0,1279,0,1023▼
110 REM (0,0) is the bottom left of the display▼
120 SET AREA COLOR 1 ! Select color one for drawing▼
130 FOR row=1 TO 4▼
140 LET n=IP(2^(row+2))▼
150 LET w=IP(1280/n)▼
160 LET py=IP(256*(4-row))▼
170 FOR b=0 TO n-1▼
180 LET g=b/(n-1)▼
190 IF n=16 OR n=64 THEN LET g=1-g▼
200 SET COLOR MIX(1) g,g,g ! Reprogram color 1 to the gray we want▼
210 PLOT AREA: w*b,py; w*b+w,py; w*b+w,py+256; w*b,py+256▼
220 NEXT b▼
230 NEXT row▼
240 END</syntaxhighlight>▼
=={{header|AutoHotkey}}==
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</syntaxhighlight>
=={{header|
▲==={{header|ANSI Standard BASIC}}===
▲{{trans|BBC BASIC}}
▲<syntaxhighlight lang="ansi standard basic">100 SET WINDOW 0,1279,0,1023
▲110 REM (0,0) is the bottom left of the display
▲120 SET AREA COLOR 1 ! Select color one for drawing
▲130 FOR row=1 TO 4
▲140 LET n=IP(2^(row+2))
▲150 LET w=IP(1280/n)
▲160 LET py=IP(256*(4-row))
▲170 FOR b=0 TO n-1
▲180 LET g=b/(n-1)
▲190 IF n=16 OR n=64 THEN LET g=1-g
▲200 SET COLOR MIX(1) g,g,g ! Reprogram color 1 to the gray we want
▲210 PLOT AREA: w*b,py; w*b+w,py; w*b+w,py+256; w*b,py+256
▲220 NEXT b
▲230 NEXT row
▲240 END</syntaxhighlight>
==={{header|BASIC256}}===
<syntaxhighlight lang="text">
h=ceil(graphheight/4)
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</syntaxhighlight>
==={{header|BBC BASIC}}===
<syntaxhighlight lang="bbcbasic">MODE 8:REM 640 x 512 pixel display mode: BBC BASIC gives 2 graphics points per pixel
REM (0,0) is the bottom left of the display
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