English Amiga Board - View Single Post - I am trying to make my first GFX assembler code

StingRay · 07 December 2018, 17:34

Quote:

Originally Posted by ross

Or if you care only about extract high bits you can do:

Code:

    move.w    d0,-(sp)
    move.b    (sp)+,d0 *

16 cycles.

[* based on 68k stack auto-align property

]

That's still one of my favorite 68k tricks.