Re: IIGS Joystick issues

[Drew <GoggleDrew@gmail.com>]

On Aug 27, 9:08 pm, Drew <GoggleD...@gmail.com> wrote:
> On Aug 27, 8:28 pm, "Michael J. Mahon" <mjma...@aol.com> wrote:
>
>
>
>
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> > Drew wrote:
> > > On Aug 20, 7:16 pm, Drew <GoggleD...@gmail.com> wrote:
> > >> On 20 Aug, 07:45, Drew <GoggleD...@gmail.com> wrote:
>
> > >>> On 19 Aug, 20:25, "Ferdinan Meyer-hermann" <ferdinan.meyer-
> > >>> herm...@a2central.com.remove-5h3-this> wrote:
> > >>>>   To: Drew
> > >>>> Drew wrote:
> > >>>>> Hi,
> > >>>>> I am hoping this is a simple one :-). I have a ROM03 IIGS with a
> > >>>>> ZIPGSX (12.5Mhz 64K) and have recently got it out of storage. I was
> > >>>>> trying to play some old games last night but thejoystickwouldnt move
> > >>>>> down at all (up left and right worked fine). I tried thejoystickon
> > >>>>> another GS with another ZIPGSX card and all worked fine.
> > >>>>> I have made sure the CDA for the ZIP says thatjoystickdelay is
> > >>>>> enabled.
> > >>>>> Any ideas?
> > >>>> Two, actually.
> > >>>> The first: Yourjoystickis out of calibration.
> > >>>> start the GS and type in the following simple applesoft program:
> > >>>> ]NEW
> > >>>> ]10 PRINT PDL(0),PDL(1)
> > >>>> ]20 GOTO 10
> > >>>> ]RUN
> > >>>> You will have two columns of lines on-screen.
> > >>>> the first is the X-Axis (left/right), while the second is the Y-Axis
> > >>>> (up/down). The values should be 0 in the upper/left position, 127 in the
> > >>>> middle and 255 in the lower/right position.
> > >>>> If the middle values are incorrect, you can adjust them using two controls
> > >>>> that are usually on the bottom of thejoystick. The calibration needs to be
> > >>>> done for every computer thejoystickis used on. It will, usually also work
> > >>>> on others, but you don't know for sure. If the middle value is 127 and 255
> > >>>> is still not reached in the lowest position, then you need idea two:
> > >>>> Thejoystickport uses some capacitors that can go out of tolerance. You
> > >>>> will then not be able to get the full range out of thejoystick. The best
> > >>>> solution would be to replace the caps, but I don't know where they exactly
> > >>>> are. At least you can also connect a correction cap in theJoystick
> > >>>> connector or even to thejoystick(this is what I did when I had the same
> > >>>> problem). If you have calibrated thejoystickand tell me the readings you
> > >>>> get in the extreme paddle positions, I can tell you which cap you would
> > >>>> need, and where to connect it.
> > >>>> Regards,
> > >>>> Ferdinand
> > >>> Thanks for all the info :-), will give that a try tonight.
> > >>> Drew- Hide quoted text -
> > >>> - Show quoted text -
> > >> Hi Ferdinand,
>
> > >> Thank you so much for that basic program to check calibration. As soon
> > >> as did that all was ok. They must have been so far out that :-). For a
> > >> bit I thought my iigs setup was conflicting for some reason.
>
> > >> Cheers
> > >> Andrew- Hide quoted text -
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> > >> - Show quoted text -
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> > > I went to play Silpheed today (on ROM03, ZIP GSX) and noticed that i
> > > could not go down the screen using my CH Mach 3 Joystick. I thought
> > > that maybe my calibration was out so ran the basic program to
> > > calibrate only to find that everthing was perfect. I ran couple of
> > > other games and joystick ran fine. I then used a spare joystick i have
> > > which is a Kraft one and everything worked ok. So there seems to be an
> > > issue with my CH March 3 and Silpheed...which seems odd as it seems to
> > > work fine with every other game I have. Any ideas...or is it just one
> > > of those things..?
>
> > You may find that a  slight tweak in the direction of increasing the
> > "down" values will get it to work.  Some games assumed that all
> > joysticks could present resistances that would result in a full 0-255
> > range for the normal paddle routines.
>
> > If your joystick in fact covers the full 0-255 range, then the
> > Silpheed paddle reader may actually be incorrect, in the sense
> > that it requires an even larger resistance than would produce
> > 255 with the standard paddle routine.
>
> > -michael
>
> > AppleCrate II: An Apple II "blade server"!
> > Home page:  http://members.aol.com/MJMahon/
>
> > "The wastebasket is our most important design
> > tool--and it's seriously underused."- Hide quoted text -
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> > - Show quoted text -
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> Hi,
>
> I did notice that the maximum down value was a max of 250 rather than
> 255. I will have a play with the calibration.
>
> Thanks
>
> Drew- Hide quoted text -
>
> - Show quoted text -

Nope can't get it any further than 250 .. rubbish. At least its only
one game that doesnt work (was one of my favs though lol). Anyone got
a CH Mach 3 Joystick for sale? :-)...looks like i am adding a search
on ebay.....

Drew