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WayneK · 02 October 2020, 11:33

I don't know devpac specifically, but could it be because you haven't given the size directive to move/add? eg:

move.w #2,d0
move.w #2,d1
add.w d0,d1
rts

There are 3 possiblities for the size, .b (byte, 8 bits), .w (word, 16 bits) or .l (long, 32 bits)...

02 October 2020, 11:33	#2
WayneK Registered User Join Date: May 2004 Location: Somewhere secret Age: 50 Posts: 366	I don't know devpac specifically, but could it be because you haven't given the size directive to move/add? eg: move.w #2,d0 move.w #2,d1 add.w d0,d1 rts There are 3 possiblities for the size, .b (byte, 8 bits), .w (word, 16 bits) or .l (long, 32 bits)...