Re: Major Havoc fluke 9010a rom testing

Thanks Roger, that appears to be exactly what I am doing. Perhaps there is
a reset occurring that I'm not aware of. I'll try grounding the WD DIS and
see what happens.

Kevin

On Tue, Jan 22, 2013 at 10:02 PM, Rodger Boots <rlboots2@gmail.com> wrote:

> Oh crap, one more time with feeling:
>
> Write 00 to 1740 for bottom half of Rom at 1Q.
> Write 01 to 1740 for top half of Rom at 1Q.
> Write 02 to 1740 for bottom half of Rom at 1N/P.
> Write 03 to 1740 for top half of Rom at 1N/P.
>
> If at any time a reset occurs (watchdog?) it will write 00 to 1740.
>
>
>
>
> On Tue, Jan 22, 2013 at 9:23 PM, Rodger Boots <rlboots2@gmail.com> wrote:
>
>> Let's try this again.
>>
>> Write 00 to 1740 for Rom at 1Q.
>> Write 02 to 1740 for Rom at 1N/P.
>>
>>
>> On Tue, Jan 22, 2013 at 8:58 PM, Rodger Boots <rlboots2@gmail.com> wrote:
>>
>>> Nevermind, that's RAM not ROM.
>>>
>>>
>>> On Tue, Jan 22, 2013 at 8:57 PM, Rodger Boots <rlboots2@gmail.com>wrote:
>>>
>>>> Try 1780 instead of 1740.
>>>>
>>>>
>>>>
>>>> On Tue, Jan 22, 2013 at 7:51 PM, Kevin Moore <talon.k@gmail.com> wrote:
>>>>
>>>>> Well, I must be doing something wrong..
>>>>>
>>>>> I do a write to 1740 = 00
>>>>> then do a rom 2000-3FFF
>>>>>
>>>>> I come up with a 2057
>>>>>
>>>>> Do a write to 1740 = 01
>>>>>
>>>>> Rom 2000-3FFF still get 2057
>>>>>
>>>>> So then I did a Read at 1740 and it's showing FF no matter what I
>>>>> write to it.
>>>>>
>>>>> This is a known working board that I'm trying to do this on. I should
>>>>> be able to do this right?
>>>>>
>>>>> Kevin
>>>>>
>>>>>
>>>>>
>>>>> On Tue, Jan 22, 2013 at 6:16 PM, Jess Askey <jess@askey.org> wrote:
>>>>>
>>>>>> Yes, page 0 and 1 are in one ROM and page 2 and 3 in the other. I
>>>>>> didn’t think about that. J****
>>>>>>
>>>>>> ** **
>>>>>>
>>>>>> *From:* owner-vectorlist@vectorlist.org [mailto:
>>>>>> owner-vectorlist@vectorlist.org] *On Behalf Of *Kevin Moore
>>>>>> *Sent:* Tuesday, January 22, 2013 5:26 PM
>>>>>>
>>>>>> *To:* vectorlist@vectorlist.org
>>>>>> *Subject:* Re: VECTOR: Major Havoc fluke 9010a rom testing****
>>>>>>
>>>>>> ** **
>>>>>>
>>>>>> That's what I was thinking.
>>>>>>
>>>>>> But the sigs are for the two roms.. will I need to split the roms,
>>>>>> and run sig calc on the halves to get the right sigs?
>>>>>>
>>>>>> Kevin
>>>>>>
>>>>>> ****
>>>>>>
>>>>>> On Tue, Jan 22, 2013 at 6:05 PM, Jess Askey <jess@askey.org> wrote:**
>>>>>> **
>>>>>>
>>>>>> The 2 ROM’s are broken down into 4 pages… so in order to access them….
>>>>>> ****
>>>>>>
>>>>>> ****
>>>>>>
>>>>>> Page 0: Write 00 to 0x1740 then read 0x2000-3fff****
>>>>>>
>>>>>> Page 1: Write 01 to 0x1740 then read 0x2000-3fff****
>>>>>>
>>>>>> Page 2: Write 02 to 0x1740 then read 0x2000-3fff****
>>>>>>
>>>>>> Page 3: Write 03 to 0x1740 then read 0x2000-3fff****
>>>>>>
>>>>>> ****
>>>>>>
>>>>>> That should do it for you!****
>>>>>>
>>>>>> ****
>>>>>>
>>>>>> *From:* owner-vectorlist@vectorlist.org [mailto:
>>>>>> owner-vectorlist@vectorlist.org] *On Behalf Of *Kevin Moore
>>>>>> *Sent:* Tuesday, January 22, 2013 4:05 PM
>>>>>> *To:* vectorlist@vectorlist.org
>>>>>> *Subject:* Re: VECTOR: Major Havoc fluke 9010a rom testing****
>>>>>>
>>>>>> ****
>>>>>>
>>>>>> I believe you are correct about FFFF being the range of the 6502,
>>>>>> which makes it all the more odd that Quarter Arcade has such a high address
>>>>>> listed.
>>>>>>
>>>>>> http://tech.quarterarcade.com/tech/VM.aspx?g=1669&set=mhavoc
>>>>>>
>>>>>> Probably just a mistake.
>>>>>>
>>>>>> The Memory map on the MH Schematics show the Range, and for the
>>>>>> Rom/s in question the range should be 2000-3FFF but you have to page
>>>>>> between the two somehow, and that's were I'm failing.
>>>>>>
>>>>>> It looks like the address 1740 is used to page between the two roms,
>>>>>> but since I've never had to do that, I'm unable to verify the roms.
>>>>>>
>>>>>> The Rom at 8000-BFFF and C000-FFFF are not paged and I can check just
>>>>>> fine. Mind you that this is all on the Alpha processor. Not the Gamma I
>>>>>> haven't gotten that far as of yet.
>>>>>>
>>>>>> Kevin****
>>>>>>
>>>>>> On Tue, Jan 22, 2013 at 3:55 PM, Andre Huijts <a.huijts@upcmail.nl>
>>>>>> wrote:****
>>>>>>
>>>>>> Its not outside the Fluke's range, it's outside the 6502 range....8
>>>>>> bit processor is FFFF max.
>>>>>> Or am I missing something ?
>>>>>>
>>>>>>
>>>>>>
>>>>>> Op 22 jan. 2013 om 21:54 heeft Kevin Moore <talon.k@gmail.com> het
>>>>>> volgende geschreven:****
>>>>>>
>>>>>>
>>>>>> > So I'm trying to work on a major havoc, but I'm not to clear on how
>>>>>> to run rom checks on the paged roms..
>>>>>> >
>>>>>> > Quarter Arcades site has the rom range 10000-13FFF for 136025-215,
>>>>>> but the address range is outside the flukes range. Looks like to me the
>>>>>> actually address should start at 2000-3FFF. I'm not at all familiar with
>>>>>> the MMUPAGE0 addressing.
>>>>>> >
>>>>>> > Any pointers, or information I can read?
>>>>>> >
>>>>>> > Thanks,
>>>>>> >
>>>>>> > Kevin
>>>>>> >****
>>>>>>
>>>>>>
>>>>>> ---------------------------------------------------------------------------
>>>>>> ** Unsubscribe, subscribe, or view the archives at
>>>>>> http://www.vectorlist.org
>>>>>> ** Please direct other questions, comments, or problems to
>>>>>> chris@westnet.com****
>>>>>>
>>>>>> ****
>>>>>>
>>>>>> ** **
>>>>>>
>>>>>
>>>>>
>>>>
>>>
>>
>

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Received on Tue Jan 22 23:41:33 2013