Re: Sidam Asterock wont coin up

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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André Huijts
andre.huijts@upcmail.nl

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Received on Sun Dec 9 09:18:53 2012