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cc65/include/joystick/joy-kernel.h
cuz 3aee15b6ce Make joy_install, joy_uninstall user callable functions
git-svn-id: svn://svn.cc65.org/cc65/trunk@1950 b7a2c559-68d2-44c3-8de9-860c34a00d81
2003-02-10 22:11:12 +00:00

80 lines
3.6 KiB
C

/*****************************************************************************/
/* */
/* joy-kernel.h */
/* */
/* Internally used joystick functions */
/* */
/* */
/* */
/* (C) 2002 Ullrich von Bassewitz */
/* Wacholderweg 14 */
/* D-70597 Stuttgart */
/* EMail: uz@musoftware.de */
/* */
/* */
/* 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. */
/* */
/*****************************************************************************/
#ifndef _JOY_KERNEL_H
#define _JOY_KERNEL_H
/*****************************************************************************/
/* Data */
/*****************************************************************************/
/* A structure that describes the header of a joystick driver loaded into
* memory.
*/
typedef struct {
/* Driver header */
char id[3]; /* Contains 0x65, 0x6d, 0x64 ("emd") */
unsigned char version; /* Interface version */
/* Bitmasks for the joystick states. See joystick.h for indices */
unsigned char masks[8];
/* Jump vectors. Note that these are not C callable */
void* install; /* INSTALL routine */
void* uninstall; /* UNINSTALL routine */
void* count; /* COUNT routine */
void* read; /* READ routine */
} joy_drv_header;
/* EM kernel variables */
extern joy_drv_header* joy_drv; /* Pointer to driver */
/* End of joy-kernel.h */
#endif