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ross · 21 July 2021, 22:41

Well, there are quite a few mistakes in fact...

move.w DMACONR(a2),d1
....
or.w #SETCLR,d1
move.w d1,DMACON(a2)

and there are system calls in between that don't preserve the value of D1

I just looked quickly, probably there is more

21 July 2021, 22:41	#5
ross Defendit numerus Join Date: Mar 2017 Location: Crossing the Rubicon Age: 53 Posts: 4,479	Well, there are quite a few mistakes in fact... move.w DMACONR(a2),d1 .... or.w #SETCLR,d1 move.w d1,DMACON(a2) and there are system calls in between that don't preserve the value of D1 I just looked quickly, probably there is more