2 ; Standard joystick driver for the C64. May be used multiple times when linked
3 ; to the statically application.
5 ; Ullrich von Bassewitz, 2002-12-20
8 .include "zeropage.inc"
10 .include "joy-kernel.inc"
11 .include "joy-error.inc"
18 ; ------------------------------------------------------------------------
19 ; Header. Includes jump table
21 module_header _c64_stdjoy_joy
25 .byte $6A, $6F, $79 ; "joy"
26 .byte JOY_API_VERSION ; Driver API version number
39 ; ------------------------------------------------------------------------
42 JOY_COUNT = 2 ; Number of joysticks we support
45 ; ------------------------------------------------------------------------
51 ; ------------------------------------------------------------------------
52 ; INSTALL routine. Is called after the driver is loaded into memory. If
53 ; possible, check if the hardware is present and determine the amount of
55 ; Must return an JOY_ERR_xx code in a/x.
62 ; rts ; Run into UNINSTALL instead
64 ; ------------------------------------------------------------------------
65 ; UNINSTALL routine. Is called before the driver is removed from memory.
66 ; Can do cleanup or whatever. Must not return anything.
73 ; ------------------------------------------------------------------------
74 ; COUNT: Return the total number of available joysticks in a/x.
82 ; ------------------------------------------------------------------------
83 ; READ: Read a particular joystick passed in A.
86 READ: tax ; Joystick number into X