joystick issue

By norakomi

Paladin (961)

norakomi's picture

09-08-2010, 13:08

bonjour...

i have 3 joysticks,
1 msx joystick with 2 buttons and an autofire,
1 ps2 joystick with a converter to msx (only 1 button works)
1 sega megadrive joystick (only 1 button works)

the strange thing is that when i play a game (any game)
with any joystick, after a while (5 minutes)
the joystick starts to freak out, going to autofire (all 3 joysticks freak out like this)

i have no idea why ?
and then i cannot use any joystick at that point anymore,
unless i restart the msx,

so strange...

any idea why this is ?

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By PingPong

Prophet (2621)

PingPong's picture

09-08-2010, 14:10

bonjour...

i have 3 joysticks,
1 msx joystick with 2 buttons and an autofire,
1 ps2 joystick with a converter to msx (only 1 button works)
1 sega megadrive joystick (only 1 button works)

the strange thing is that when i play a game (any game)
with any joystick, after a while (5 minutes)
the joystick starts to freak out, going to autofire (all 3 joysticks freak out like this)

i have no idea why ?
and then i cannot use any joystick at that point anymore,
unless i restart the msx,

so strange...

any idea why this is ?

a PSG issue?

By flyguille

Prophet (2273)

flyguille's picture

09-08-2010, 17:54

it is a voltage supply problem, or the soldering at joystick port (msx side) is broken, and it fails when it warns up (because all the others components inside the msx warns the air inside, making soldering partially broken to fail

By Repair-Bas

Paladin (934)

Repair-Bas's picture

09-08-2010, 18:48

I think you have a Philips NMS 8250/55 or 80

Then the engine (S3527) is broken

By Eugeny_Brychkov

Hero (605)

Eugeny_Brychkov's picture

09-08-2010, 20:54

Please try joystick in another port and see if it will behave the same.

By norakomi

Paladin (961)

norakomi's picture

14-08-2010, 10:48

I think you have a Philips NMS 8250/55 or 80

Then the engine (S3527) is brokenok,
also in port 2 i have the same issue...
anything i can do about this ?

By Jipe

Paladin (924)

Jipe's picture

14-08-2010, 11:37

which msx uses you ?

have you a ren sha turbo ?

My MSX profile