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Author Topic: MAME status of Keyboard LED Recoil  (Read 1126 times)

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rdagger

MAME status of Keyboard LED Recoil
« on: January 15, 2006, 12:42:06 pm »
I know back in 2002 Dave Widel made a MAME hack for Terminator 2 to allow the gun recoil to be activated by the keyboard LED's.  I downloaded the hack from 1UP's site

Has MAME released any official versions that handle gun recoil?
If not, are they planning on incorporating recoil?
And are there currently hacks for other recoil gun games besides Terminator 2?

Lilwolf

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Re: MAME status of Keyboard LED Recoil
« Reply #1 on: January 15, 2006, 12:45:10 pm »
That wouldn't be something mame would add.

If someone could make an interface that would be generic they might start considering it... but it really would help bootleggers more then it would help us...

But all in all... very very hard to do in a mannor that would work for all / most games.  (basic forced feedback really)

So get a good frontend that can launch different versions of mame transparently and be done with it :)

rdagger

Re: MAME status of Keyboard LED Recoil
« Reply #2 on: January 15, 2006, 02:13:40 pm »
If someone could make an interface that would be generic they might start considering it...
I just built a prototype circuit yesterday.   It still needs some work, but it looks promissing.

Quote
But all in all... very very hard to do in a mannor that would work for all / most games.  (basic forced feedback really)

I looked at the code for the Widel hack and it doesn't appear that difficult:
static WRITE16_HANDLER( term2_gun1_w )
{
   wms_scratch_ram[0x000a073]=data;
   if (((data & 0xFF) == 0xEF) & ((wms_scratch_ram[0x000a231] & 0xff00) == 0x0100) )
      {
          set_led_status(0, 1);
      }
      else
      {
      set_led_status(0, 0);
      };   
}

Minwah

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Re: MAME status of Keyboard LED Recoil
« Reply #3 on: January 16, 2006, 05:38:07 am »
I just built a prototype circuit yesterday.   It still needs some work, but it looks promissing.

Keep us posted...I'd be interested in what you come up with & I'm sure others here would too.