Apple II

Another programming question, maybe beyond the scope of this forum....

So I'm taking on a huge project... to develop an ONERR routine (in assembly) for Integer BASIC. Yeah. Who hasn't done this before? My plans so far are:

1. Understand what's going on with Applesoft's ONERR GOTO/GOSUB, which somehow also handles DOS 3.3 and ProDOS errors.

I have 3 Apple II joysticks. Two of them are the standard joysticks made by Apple with the thing stick and two buttons. The other one is a CH joystick with a button on top of the stick and two more buttons at the base. The CH stick also has a 2 connectors one it, one to plug into an Apple II and the other plugs into a PC.

Anyway, each one of these sticks has a problem, mainly, mainly with the buttons. The buttons don't work every time you push them or you either have to push them real hard.

I haven't taken them apart yet to check them out and I thought I would seek out some advice first. So here goes my questions. Will taking them apart and cleaning them up do any good? Is there anything I can do on my own to get them going again? Or do I need to get some replacement parts? If I do need parts, what would I most likely need?

Thanks,
Jeffrey

I found an Apple II plus with joystick, monitor, manual, looks like 2 floppy drives. Is it worth 125$?

I need a program for viewing gif files on the IIgs. PCX files and any other formats would be a plus. I found .viewgif for the Apple II and it works for for the Apple II machine. It does work on the IIgs computer, but it doesn't have extra support for the larger IIgs color palette and higher resolution. I've tried searching around but so far no hits. Thanks in advance or any help.

Jeffrey