Check if the Commodore64 Joystick is working using BASIC
10 for b=0 to 17
20 read a
30 poke 163+b,a
40 next
50 sys 163
60 data 120,173,0,220,141,32,208,74,74,74,74,41,1,141,33,208,16,23910 for b=0 to 17
20 read a
30 poke 163+b,a
40 next
50 sys 163
60 data 120,173,0,220,141,32,208,74,74,74,74,41,1,141,33,208,16,239