Atari Joystick Object

Oldbitcollector (Jeff)

This contains my first stab at creating an object for Propeller...

This is an Atari Joystick Object for the joystick on the VGA header experiment.
Zip contains joystick driver, build schematic, as well as a nes driver for drop-in conversion
of existing hydra games and demos which use the NES controls.

Let me know what you think.

Oldbitcollector

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The comments and code above are proof that a million monkeys with a million propeller chips *could* write Shakespeare!

Post Edited (Oldbitcollector) : 4/20/2007 4:28:00 AM GMT

rjo_

Many thanks,

That's just what my tank requires.

Rich

Baggers

Oldbit
I'm curious as to why you've got pin8 of the joypad going to pin9 of the vga, isn't vga pin 9 unconnected?
I thought most VGA's just use 123 = rgb, 678 = rgb ground 5,10 = ground, 13,14 h,v sync ( HV and RGB order could be wrong way round, as it's off the top of my head as i type this )

Baggers.

Oldbitcollector (Jeff)

Pin 9 has 5v which is brought down to a safe voltage by the 10K resistor and fed into pin 8 of the Atari joystick. This runs the joystick backward to what it was designed. (At least when it was used on the C64) but this works perfectly.

Oldbit

▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔
The comments and code above are proof that a million monkeys with a million propeller chips *could* write Shakespeare!

Baggers

Ah, it's now suddenly all clear, I wasn't sure of pin 9 being connected to anything on the protoboard [noparse]:)[/noparse]