Some sort of optical mouse existed in the eighties but not in 1980 they needed a special mouse pad with lines apparently they were counting the lines / row crossed I dont remember the details of the pad On 19/11/2017 18:55, smf wrote: > Mechanical mice have a ball and two spinners with electrical contacts > that pass by counters. These fell out of favour very early because the > contacts bend. > > Optomechnical mice have a ball and two spinners with slots, on one > side is an led and the other side a receiver. Amiga,Atari ST,IBM Bus > Mice are all pretty much the same, the signals from the receivers get > sent over four wires (quadature encoding). Serial,PS/2,USB,1351 mice > have a chip which interprets the quadature encoding and convert them > to an alternative format. You should be able to add a chip to the > former, or remove the chip from the later. > > Optical mice shine an led on the surface and then watch the surface > move. They weren't available in 1980 > > On 19/11/2017 17:42, Terry Raymond wrote: >> Hi, >> >> Would the earlier 1980 optical mice be a lot less complex as today's >> optical mice. >> In my Googling optical mice I did find a 1980 optical that was used but >> it's a chip that controls this could this somehow work with the MOS >> 5717 to >> use the same >> Joystick and proportional modes, as far as integrate the optical to the >> 1351 circuit >> somehow? >> >> Is this even possible seems the optical now is far more complex than in >> 1980! >> >> Terry Raymond >> > > Message was sent through the cbm-hackers mailing list Message was sent through the cbm-hackers mailing listReceived on 2017-11-19 20:00:02
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