Thread: Bitfields BFFFO
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Old 21 November 2015, 11:59   #1
flype
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Join Date: Dec 2014
Location: France
Posts: 66
Bitfields BFFFO

Hi tony,

i think i found a diff between UAE and real 030 using BFFFO

here some isolated small code (i use devpac/monam) :

Code:
    MACHINE MC68030

Start:
    clr.l   d4
    move.l  #$1badcafe,d0
    move.l  #$20,d1
    move.l  #$20,d2
    bfffo   d0{d2:d1},d3 ; uae => 0000 0003 ; 030 => 0000 0023
    move.w  ccr,d4       ; uae => 0000 0000 ; 030 => 0000 0000
    stop    #-1
On UAE :
D3 = 0000 0003
D4 = 0000 0000

On my A1200/030 :
D3 = 0000 0023
D4 = 0000 0000

Last edited by flype; 21 November 2015 at 13:54.
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