I still don't understand the AND/OR values for reading joystick status from
the Portar documentation ?!?!???!?!??? ? ?!?!?!? ?!??!?!?:
This rotine will read joystick 1 or 2:
F3 di
3E 0F ld a,0fh Write this for Write this for
D3 A0 out (0a0h),a Joystick port 1: Joystick port 2:
DB A2 in a,(0a2h)
E6 DF / E6 AF and 11011111b; 0DFh and 10101111b; 0AFh
F6 4C / F6 03 or 01001100b; 04Ch or 00000011b; 003h
D3 A1 out (0a1h),a
3E 0E ld a,0eh
D3 A0 out (0a0h),a
DB A2 in a,(0a2h)
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