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8to4way converter

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arcadebox:
Hi, guys! ;)

I'm new in this message board, but I
builded some things for mame and others.
I'm an computer engineering student
and recently I started to buid an ZX spectrum clone,
and a year ago I builded some controllers for mame/others.

I'm now building an 8way to 4way joystick because I like to
play in pacman/mspacman and it is a pain in the ass playing
it with a normal stick, so I'm designing a circuit that filters
the diagonal moves.


I leave here the block diagram of it:


It isn't completed yet, but I just wonder if it's a good idea?

Thanks in advance, and sorry for the bad english :angel:

Grasshopper:
If you're using MAME then there's no point as MAME can do the same thing in software.

arcadebox:
Can , how?

SirPoonga:
You can block diagonal inputs in mame using the "not" when defining a control.
http://www.mame.net/mamefaq.html#h03

You just need to set mame up so Up registeres Up but not left or right.  Right registers right but not up or down. That way if you push up-right nothing should register.

arcadebox:
I saw many controllers/cabinets from some guys
that have a dedicated 4way stick for this type of games.

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