Hi guys,

I made a bitmap family that contains only 8 bit color image.
Under Palm OS 3.5 debug Rom, if I set the screen depth to
4 bit or 2 bit, it seems to convert the color image in the
bitmap family into grey scale image in proper depth.

so, I thought it is very cool, because I don't need to include
grey scale images for non-color devices, reducing app size
provided that the minimum OS requirement is 3.5.

but, under Palm OS 4.0 debug Rom, it complained about
"bad window."

my question is, the behavior I observed under Palm OS 3.5 debug
Rom is not supposed to be that way? or is Palm OS 4.0 debug
Rom is not backward-compatible?

thanks in advance!



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