Re: Graphics Tablet...

[steve@dosius.zzn.com (Dosius)]

mjmahon@aol.com (Michael J. Mahon) wrote in message news:<20030724185433.28226.00000584@mb-m24.aol.com>...
> Jeff Thomas asked:
> 
> >I have heard of people making their own "light pens" for Apple II, but
> >has anyone ever built a graphics tablet which connects to the joystick
> >port?
> 
> Light pens for the Apple II series come in two basic flavors: "fast"
> pens which connect to a card (either a special card or an 80-column
> card), and "slow" pens which connect to the joystick port.
> 
> The slow pens are simply a directed CdS photoresistor, whose
> changing resistance in response to light can be sensed as a
> "paddle" input to the Apple II.  It can be used in conjuction with
> software to identify what screen item is being pointed at by
> sequentially blinking the screen elements while looking for
> a change in the CdS cell resistance.  As you can imagine,
> this is pretty slow if there are more than a few things on the
> screen, but it can be used satisfactorily to select from a
> menu.
> 
> Resistive "graphics input devices" were made by Koala and
> a few knock-off companies.  These KoalaPad devices are
> fairly inexpensive and quite simple.  They should still be
> available in the resale markets.  They are used like a
> joystick, but are easier to control for drawing.
> 
> -michael
> 
> Check out amazing quality 8-bit Apple sound on my
> Home page:  http://members.aol.com/MJMahon/

Hm.  What about TouchWindow?  I always thought that was leet. (Joystick port)

-uso.