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cc65/asminc/joy-kernel.inc

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;/*****************************************************************************/
;/* */
;/* joy-kernel.inc */
;/* */
;/* Internally used joystick functions */
;/* */
;/* */
;/* */
;/* (C) 2002-2006, Ullrich von Bassewitz */
;/* R<>merstra<72>e 52 */
;/* D-70794 Filderstadt */
;/* EMail: uz@cc65.org */
;/* */
;/* */
;/* This software is provided 'as-is', without any expressed or implied */
;/* warranty. In no event will the authors be held liable for any damages */
;/* arising from the use of this software. */
;/* */
;/* Permission is granted to anyone to use this software for any purpose, */
;/* including commercial applications, and to alter it and redistribute it */
;/* freely, subject to the following restrictions: */
;/* */
;/* 1. The origin of this software must not be misrepresented; you must not */
;/* claim that you wrote the original software. If you use this software */
;/* in a product, an acknowledgment in the product documentation would be */
;/* appreciated but is not required. */
;/* 2. Altered source versions must be plainly marked as such, and must not */
;/* be misrepresented as being the original software. */
;/* 3. This notice may not be removed or altered from any source */
;/* distribution. */
;/* */
;/*****************************************************************************/
;------------------------------------------------------------------------------
; Driver header stuff
.struct JOY_HDR
ID .byte 3 ; $6A, $6F, $79 ("joy")
VERSION .byte 1 ; Interface version
LIBREF .addr ; Library reference
MASKS .byte 8 ; Joystick state mask array
JUMPTAB .struct
INSTALL .addr ; INSTALL routine
UNINSTALL .addr ; UNINSTALL routine
COUNT .addr ; COUNT routine
READ .addr ; READ routine
IRQ .addr ; IRQ routine
.endstruct
.endstruct
;------------------------------------------------------------------------------
; The JOY API version, stored in JOY_HDR::VERSION
JOY_API_VERSION = $03
;------------------------------------------------------------------------------
; Variables
.global _joy_drv ; Pointer to driver
.global _joy_masks
;------------------------------------------------------------------------------
; Driver entry points
.global joy_install
.global joy_uninstall
.global joy_count
.global joy_read
;------------------------------------------------------------------------------
; C callable functions
.global _joy_load_driver
.global _joy_unload
.global _joy_install
.global _joy_uninstall
.global _joy_count
.global _joy_read
.global _joy_clear_ptr