RosettaCodeData/Task/Bitmap/BASIC256/bitmap.basic

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graphsize 30,30
call fill(rgb(255,0,0))
call setpixel(10,10,rgb(0,255,255))
print "pixel 10,10 is " + pixel(10,10)
print "pixel 20,20 is " + pixel(20,10)
imgsave "BASIC256_bitmap.png"
end
subroutine fill(c)
color c
rect 0,0,graphwidth, graphheight
end subroutine
subroutine setpixel(x,y,c)
color c
plot x,y
end subroutine