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meynaf · 23 December 2015, 09:49

I forgot about this one...

You can replace :

Code:

 not.l d1              ; reverse mask
 and.l d1,d0           ; clear bits that were '1'
 not.l d1              ; restore mask

by :

Code:

 or.l d1,d0            ; set these bits to '1'
 eor.l d1,d0           ; then clear them

23 December 2015, 09:49	#140
meynaf son of 68k Join Date: Nov 2007 Location: Lyon / France Age: 51 Posts: 5,335	I forgot about this one... You can replace : Code: not.l d1 ; reverse mask and.l d1,d0 ; clear bits that were '1' not.l d1 ; restore mask by : Code: or.l d1,d0 ; set these bits to '1' eor.l d1,d0 ; then clear them