| Re: [hatari-devel] 68000: Wrong order of bus accesses for move.l xx,-(Ay) |
[ Thread Index |
Date Index
| More lists.tuxfamily.org/hatari-devel Archives
]
Christian Zietz schrieb:
>> Same for (an)+ addressing mode, some instructions probably have already
>> added An by 2 before second word access.
>
> Can you propose some instructions to test? Same as above? As this is
> quite a time-consuming process, it'll probably take a while until you
> get results from me, though.
OK, I now tested the same set of instructions like in my previous mail,
but this time with the (An)+ addressing mode. Hope it helps.
FA A6 FA A6
Bus cycle First Second
MOVE.L D0,(A6)+ 0 0 2 0
MOVE.L (A6)+,D0 0 0 2 4
MOVEM.L (A6)+,D0 0 0 2 0
NOT.L (A6)+ 0 0 2 4
Bus cycle Third Fourth
NOT.L (A6)+ 2 4 0 4
Regards
Christian
--
Christian Zietz - CHZ-Soft - czietz@xxxxxxx
WWW: http://www.chzsoft.de/
PGP/GnuPG-Key-ID: 0x52CB97F66DA025CA / 0x6DA025CA