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Old 07 July 2019, 17:30   #1152
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Join Date: Jan 2008
Location: Warsaw/Poland
Age: 51
Posts: 1,148
Originally Posted by mcgeezer View Post
d0 needs to be 0 on the Reverse Longword sub, I know it only too well because I had an over flow when I called it and it took me a while to find the problem. I was finding that any sprite above 255 would not flip because d0 was set to >$100 and therefore the lookup wasn't working.
In this routine? Only byte is modified. Or Im blind.
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