[Coco] Diecom light gun adapter

[Zippster]

Maybe, it’s worth a try if someone has a light gun and an led display.

- Ed


> On Jun 16, 2016, at 9:01 AM, Barry Nelson <barry.nelson at amobiledevice.com> wrote:
> 
> What about an LED display? They have much lower latency.
> 
>> Zippster zippster278 at gmail.com 
>> Thu Jun 16 09:02:23 EDT 2016
>> Yes, from what I was reading, there are two different systems using this
>> general type of light gun.  
>> 
>> One calculates positioning information by drawing an entire field in white, 
>> using the timing of the display scan, and when light is seen by the gun to 
>> determine which part of the screen is being pointed at.  The compatibility
>> issue here is that LCDs don’t scan left to right and top to bottom like a CRT, 
>> as well as latency.
>> 
>> The other, which seems to be more common, draws the potential targets in a field
>> when the trigger is pressed (in white), and if the gun sees light, it was pointed at the
>> target.  The issue here just being latency.
>> 
>> The timing is of course very tight and has to be accurate in this type of system,
>> so the latency of an LCD display breaks it.
>> 
>> Possibly the portions of software dealing with the timing could be rewritten to
>> compensate for the delay, presuming a similar delay between LCD screens.
>> 
>> Otherwise a different system using IR sensors for positioning like a modern console
>> would be the way to go, but then there’d be nothing written for it.
>> 
>> - Ed 
> 
> 
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