All inputs operate properly, slam, diag step, test, hyper, rot left, rot right, thrust fire, start1, start2.. Each one beeps as an input in test mode, as well as reads properly at its correct address through the cpu socket (on my fluke) none are stuck...
Andrew Welburn (mobile)
www.andys-arcade.com
On 12 Oct 2012, at 21:15, Rodger Boots <rlboots2@gmail.com> wrote:
> Doesn't have a tilt or slam switch stuck?
>
> On Oct 12, 2012 11:00 AM, <wboucher6@cogeco.ca> wrote:
>> I don't have a schematic or experience with the game but I'll throw out a few ideas anyway. Apologies in advance for
>> inapplicable ones.
>>
>> Some games are sensitive to coin drop timing. If you are triggering the coin switch manually, try emulating the pulse
>> duration that you'd get using coins.
>>
>> Any chance that the number of coins required to get a credit is set to a high value, like 3 or 4? Maybe via dip
>> switches.
>>
>> Some games remember the number of credits in a nvram or battery backed sram. If your game uses an nvram such as ER2055,
>> maybe it's returning 0 after being written. I would assume that all sram would be tested by the self-test code but who
>> knows.
>>
>> Some games have a setup screen where you can enable/disable up to three mechs. Any chance that it is just ignoring all
>> of the mechs because they are set to off or none or something?
>>
>>
>> Bill Boucher
>> http://www.biltronix.com
>>
>> >
>> > hi all..
>> >
>> > I have a really odd problem here with a Sidam Asterock pcb that just
>> > wont coin up, let alone start.
>> >
>> > In test mode, i can activate the L and R coin switches and hear the
>> > 'beep' verifying that the cpu can 'see' the coin switches being open and
>> > closed. All other inputs also beep in test mode correctly.
>> >
>> > In my fluke 9100 i read the input port addresses and found that
>> > 'Center Coin' was jammed on, this is an input to a mux'er that is left
>> > floating on Asterock as the pcb only has inputs/tracking for Left and
>> > Right coin inputs. When i tied this floating input to ground, the center
>> > coin was no longer jammed on. All other inputs verify working on my
>> > fluke completely normally (my test program is for Atari Asteroids) This
>> > verifies the test mode operation in that the game can see/read all the
>> > inputs correctly. Asterock test mode doesn't seem to care if this input
>> > is floating or not. It wont coin up with this input tied or left floating..
>> >
>> > The game still refuses to coin up... Asterock has no 'free play' mode,
>> > so unfortunately i can't just put it in freeplay mode and hit start...
>> >
>> > Does anyone have any insight into how the game code coins up? Is it
>> > different to Asteroids? how can the test mdoe read the coin input but
>> > not register credits in-game?
>> >
>> > help! :)
>> >
>> > --
>> > Andrew Welburn
>> > http://www.andys-arcade.com
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Received on Fri Oct 12 17:02:32 2012
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