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Old 31 December 2016, 09:37   #2
Toni Wilen
WinUAE developer
Join Date: Aug 2001
Location: Hämeenlinna/Finland
Age: 42
Posts: 20,495
CD32 pad is relatively simple, complexity comes from accurate handling (that most games don't need)

Check 4 following routines for main logic:

cap_check() (only cd32 related part, the rest is for analog sticks/paddles)

If button 3 is high and output: cd32 is in pad mode, button 1 and 2 is used to transfer binary stream (clock and data). Button 3 not active: button lines 1 and 2 work as normal 2 button joystick.
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