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
38 .addr 0 ; IRQ entry unused
40 ; ------------------------------------------------------------------------
43 JOY_COUNT = 2 ; Number of joysticks we support
46 ; ------------------------------------------------------------------------
52 ; ------------------------------------------------------------------------
53 ; INSTALL routine. Is called after the driver is loaded into memory. If
54 ; possible, check if the hardware is present and determine the amount of
56 ; Must return an JOY_ERR_xx code in a/x.
63 ; rts ; Run into UNINSTALL instead
65 ; ------------------------------------------------------------------------
66 ; UNINSTALL routine. Is called before the driver is removed from memory.
67 ; Can do cleanup or whatever. Must not return anything.
74 ; ------------------------------------------------------------------------
75 ; COUNT: Return the total number of available joysticks in a/x.
83 ; ------------------------------------------------------------------------
84 ; READ: Read a particular joystick passed in A.
87 READ: tax ; Joystick number into X