Re: Sidam Asterock wont coin up

Just a note to say that the owner of the machine with the original
problem has reported 'its working great now' - no side effects listed,
but i don't think he's the type to look too closely anyway. He can play
it is the main thing.

So, many thanks Steve for the patch, i just hate it when the actual
fault is illogical and you have to patch around! :)

Andrew Welburn
http://www.andys-arcade.com

On 22/01/2013 22:15, vectorlist-steve wrote:
> Hey Andre, glad to hear the Asterock free play worked for you. Sounds
> like cosmetic side effects but, hey, what did you expect for a 2 byte
> change to the code? Shoot me an email if you would like me to dig a
> little further into the source and do some additional clean up. I have
> never seen the game and probably never will so you would need to do ALL
> of the testing. ;-)
>
>
> ** only 400 unread vectorlist messages to go!
>
>
>
> On 12/9/2012 6:18 AM, Andre Huijts wrote:
>> Uh....slight mix-up of names: Thanks to Steve for the hack !!
>>
>>
>>
>>
>> Op 8 dec. 2012, om 14:45 heeft Andre Huijts <a.huijts@upcmail.nl> het
>> volgende geschreven:
>>
>>> I'm happy to report the Freeplay mod by John works on the original
>>> hardware.
>>>
>>> Since my Needham doesn't burn 2708s I used a 2716 instead with these
>>> mods:
>>>
>>> a) lift pin 19 and short to pin 18
>>> b) lift pin 21 and short to pin 24
>>>
>>> Note this mod works on Asterock PCBs, other PCBs may require other mods.
>>>
>>> The hack does show some side-effects.
>>> After power up the number of credits is 00. However P1 was blinking
>>> but not P2. Tried P2 anyway and it does start a two player game just
>>> fine. After killing off all ships on both players the credit number
>>> showed 98 now.
>>> After a P1 game the number Was 97. Etc etc etc.
>>> Not sure what will happen if it reaches 0, but hey, I rarely play 100
>>> games after another....
>>>
>>> Thanks John, I can now remove the credit button :)
>>>
>>> Verstuurd vanaf mijn iPad
>>>
>>> Op 30 nov. 2012 om 18:57 heeft Andrew Welburn <andy@andysarcade.net>
>>> het volgende geschreven:
>>>
>>>> I had to post the rom out to the owner on my way to the usa the
>>>> other day.. stupid airport letterbox would only take flat letters
>>>> (not a rom in a padded envelope). So i had to post it back to
>>>> England from the usa.. it only arrived a few days ago.. i'm waiting
>>>> for the owner to tell me if it was successful.
>>>>
>>>> Andre... the instructions are right there, make it yourself and burn
>>>> it!
>>>>
>>>> Andrew Welburn
>>>> http://www.andys-arcade.com
>>>>
>>>> On 30/11/2012 17:48, Andre Huijts wrote:
>>>>> Did this work ?
>>>>>
>>>>> I'd be interested in a "ready made" file that I can (let) burn and
>>>>> try on my machine...
>>>>>
>>>>> Cheers, André
>>>>>
>>>>>
>>>>> Op 10 nov. 2012, om 19:53 heeft Andrew Welburn
>>>>> <andy@andysarcade.net> het volgende geschreven:
>>>>>
>>>>>> Just so everyone else knows, Mame has changed the naming
>>>>>> convention (after i confirmed it on this pcb and asked them to do
>>>>>> so) so the rom to modify in question is 10505.2 not sidamas.2
>>>>>> described below..
>>>>>>
>>>>>> I've made the modification and i'll send the rom to the owner
>>>>>> tomorrow, i'll report back on what he finds.
>>>>>>
>>>>>> Did anyone else do the mod yet?
>>>>>>
>>>>>> Andrew Welburn
>>>>>> http://www.andys-arcade.com
>>>>>>
>>>>>> On 01/11/2012 20:22, vectorlist-steve wrote:
>>>>>>> Below is the Asterock free play patch which required only the
>>>>>>> sidamas.2
>>>>>>> rom be modified for the hack to work. The code has been
>>>>>>> successfully
>>>>>>> tested in mame with a handful of plays and it is functional.
>>>>>>> YMMV on
>>>>>>> actual hardware so let me know if you encounter an issue and I
>>>>>>> will take
>>>>>>> a second look.
>>>>>>>
>>>>>>> The sidamas.2 rom is the only rom which requires modification and is
>>>>>>> mapped between 0x6800 and 0x6BFF on the Asterock hardware.
>>>>>>>
>>> ---------------------------------------------------------------------------
>>>
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>>> chris@westnet.com
>> André Huijts
>> andre.huijts@upcmail.nl
>>
>>
>>
>>
>>
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>
>
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Received on Tue Jun 4 03:48:24 2013