I know there is a bunch of hardware diagnostics software out there, but I'm seeking software that tests/adjusts calibration of a joystick on an Apple IIc Plus. Anyone know where I can find it? Thanks! 
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You can use my shareware BASIC program - only $19.99
10 PRINT PDL(0)" "PDL(1):GOTO 10
for an extra $5, I'll tell you the values you want are 127.
hello jegs2,
Apple Cillin II or XPS Testdisk will do.
Chosing the Gamecontrols will desplay the values of the Paddles...
you just need to remember 2 things:
both Paddles together represent the one joystick.
One paddle will be displayed as x-axis and the other paddle will represent the y-axis.
and the valuaes should display the full range from 0 to 255 and the center will be represented by the value of 127.
and at the switsches only 2 of the buttons will work in the test.
speedyG
The correct BASIC program is listed on the manual for the CH Mach II and III joysticks.
Thanks for the responses!
Tried the Basic code, and I could get darn close to maintaining 127 on both sides with the joystick, so I know it works.
Is there anything similar in Basic that will allow testing of a mouse?
Mouse testing program - Shareware $5
10 IN#4
20 PR#4
30 PRINT CHR$(1)
40 INPUT "";X,Y,S
50 IN#0:PR#0
60 PRINT X,Y,S
70 IN#4:GOTO 40
80 END
S is mouse button status. It can also detect if you clicked with a key held down. Cool stuff.
[quote=Dog Cow]Mouse testing program - Shareware $5
10 IN#4
20 PR#4
30 PRINT CHR$(1)
40 INPUT "";X,Y,S
50 IN#0:PR#0
60 PRINT X,Y,S
70 IN#4:GOTO 40
80 END
S is mouse button status. It can also detect if you clicked with a key held down. Cool stuff.[/quote]
Sadly, unlike the joystick calibration, the mouse test proved unsuccessful.
When I typed it straight into Basic without booting DOS of any kind, running it got me a screen full of gibberish that was unaffected by anything I did with the mouse or keyboard.
So then I booted the computer with the System Utilities Disk for the IIc (running ProDOS 8 v. 1.5), entered the program, saved it, and the following appeared:
[b]UNABLE TO START FROM MEMORY CARD[/b]
Finally, booted the computer on my 5 1/4 FDD with Apple DOS 3.3, entered the program, saved it and ran it, with the
following appearing [i](ignore the "[b]<[/b][b]br /[/b][b]>[/b]")[/i]:
[code]O 4
:
g(1)("";X,Y,S20:
0< :X,Y,SF4:+40PC3[/code]
It responded not at all to any activity on the mouse.
Not sure if it matters or not, but the ROM for my [i]Apple IIc Plus[/i] is 5.
The simple basic language programs provided in this thread work fine. But you may also wish to try the free MECC-A240 software program "Computer Inspector Ver. 1.0" which has a neat graphical display joystick calibration program, in addition to several other utilities to test various parts, functions, and features of your Apple II. See this link for details: https://archive.org/details/MECC-A240_Computer_Inspector_v1.0
+1 for the MECC Computer Inspector.
It's a great way to visually (and graphically) see that your joystick is doing what it should in both axes simultaneously, and, most importantly, returning to the correct centrepoint.