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https://github.com/cc65/cc65.git
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95 lines
4.0 KiB
C
95 lines
4.0 KiB
C
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/*****************************************************************************/
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/* */
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/* joy-kernel.h */
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/* */
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/* Internally used joystick functions */
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/* */
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/* */
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/* */
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/* (C) 2002 Ullrich von Bassewitz */
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/* Wacholderweg 14 */
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/* D-70597 Stuttgart */
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/* EMail: uz@musoftware.de */
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/* */
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/* */
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/* This software is provided 'as-is', without any expressed or implied */
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/* warranty. In no event will the authors be held liable for any damages */
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/* arising from the use of this software. */
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/* */
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/* Permission is granted to anyone to use this software for any purpose, */
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/* including commercial applications, and to alter it and redistribute it */
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/* freely, subject to the following restrictions: */
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/* */
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/* 1. The origin of this software must not be misrepresented; you must not */
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/* claim that you wrote the original software. If you use this software */
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/* in a product, an acknowledgment in the product documentation would be */
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/* appreciated but is not required. */
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/* 2. Altered source versions must be plainly marked as such, and must not */
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/* be misrepresented as being the original software. */
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/* 3. This notice may not be removed or altered from any source */
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/* distribution. */
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/* */
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/*****************************************************************************/
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#ifndef _JOY_KERNEL_H
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#define _JOY_KERNEL_H
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/*****************************************************************************/
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/* Data */
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/*****************************************************************************/
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/* A structure that describes the header of a joystick driver loaded into
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* memory.
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*/
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typedef struct {
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/* Driver header */
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char id[3]; /* Contains 0x65, 0x6d, 0x64 ("emd") */
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unsigned char version; /* Interface version */
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/* Bitmasks for the joystick states. See joystick.h for indices */
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unsigned char masks[8];
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/* Jump vectors. Note that these are not C callable */
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void* install; /* INSTALL routine */
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void* deinstall; /* DEINSTALL routine */
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void* count; /* COUNT routine */
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void* read; /* READ routine */
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} joy_drv_header;
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/* EM kernel variables */
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extern joy_drv_header* joy_drv; /* Pointer to driver */
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/*****************************************************************************/
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/* Functions */
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/*****************************************************************************/
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unsigned char __fastcall__ joy_install (void* driver);
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/* Install the driver once it is loaded, return an error code. */
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void __fastcall__ joy_deinstall (void);
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/* Deinstall the driver before unloading it */
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/* End of joy-kernel.h */
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#endif
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