Re: BBR/BBS 65C02 instruction cycle counts

From: smf <*smf_at_null.net*> Date: Sat, 23 Jul 2016 09:59:00 +0100 Message-ID: <5eaa6ea0-38e0-9a33-6e52-0abf13dbc5f0@null.net> · smf_at_null.net

I'd say that the 2004 datasheet is most likely to be right. The 2000 one 
is blatantly wrong.

http://archive.6502.org/datasheets/wdc_w65c02s_feb_2004.pdf

On 23/07/2016 09:53, smf wrote:
> Awesome. The 2000 and 2004 versions list the cycle order of the 
> bbr/bbs instructions.
>
> It's just a pity that they contradict each other :-)
>
>
> On 22/07/2016 03:12, Mike Naberezny wrote:
>> On 6/29/16 4:27 AM, Kajtár Zsolt wrote:
>>> Meanwhile I've found a WDC datasheet where all the cycles are detailed:
>>> http://www.jameco.com/Jameco/Products/ProdDS/43166WDS.pdf
>>>
>>> Says 5/6/7, but according to the data bus listing it should be 4/5/6.
>>>
>>> Another one:
>>> http://raine.1emulation.com/archive/dev/w65c02s.pdf
>>
>> There are more versions of the WDC W65C02S datasheet here:
>> http://6502.org/documents/datasheets/wdc/
>>
>> They are in the "Older" folder.
>>
>> Regards,
>> Mike
>>
>
>
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