Re: [cc65] drivers...

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From: Maciej Witkowiak (d118986_at_atos.wmid.amu.edu.pl)
Date: 2003-09-28 00:05:28


Groepaz dnia 27 wrz 2003 o 19:18 +0200 napisał:
> oh, yeah.... didnt think of the paddles.... a "pair" of paddles could indeed 
> be handled as a "pointing device" (ie, one X and one Y axis, two buttons) 

That's exactly how a PC 2-axis, 2-button joystick works when interfaced to C64.
It has too small resolution for direct use, you can however calculate pointer
acceleration. There is my PC-Joy driver (and calibration program) for GEOS out
there. (ftp.elysium.pl/gnu-generation/YTM/ I think)
It was definietly the most comfortable input device for me.

What makes me wonder is the difference between lightpen and lightgun.
Is there any besides the shape?

[Uz]
> Any ideas how paddles could be supported within the cc65 library? Can we map
> the API to one of the already existing ones, or do we need a new one?

I think it should be separated or joystick API should be extended.
Two reasons:
- when treated like digital joystick we lose information
- paddles may need calibration; AFAIK the real paddles don't need it but
  the real paddles were new a long time ago. An analog joystick always needs
  calibration. (lightpen needs calibration too)

ytm

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