1 /*****************************************************************************/
5 /* Internally used joystick functions */
9 /* (C) 2002-2006, Ullrich von Bassewitz */
10 /* Roemerstrasse 52 */
11 /* D-70794 Filderstadt */
12 /* EMail: uz@cc65.org */
15 /* This software is provided 'as-is', without any expressed or implied */
16 /* warranty. In no event will the authors be held liable for any damages */
17 /* arising from the use of this software. */
19 /* Permission is granted to anyone to use this software for any purpose, */
20 /* including commercial applications, and to alter it and redistribute it */
21 /* freely, subject to the following restrictions: */
23 /* 1. The origin of this software must not be misrepresented; you must not */
24 /* claim that you wrote the original software. If you use this software */
25 /* in a product, an acknowledgment in the product documentation would be */
26 /* appreciated but is not required. */
27 /* 2. Altered source versions must be plainly marked as such, and must not */
28 /* be misrepresented as being the original software. */
29 /* 3. This notice may not be removed or altered from any source */
32 /*****************************************************************************/
41 /*****************************************************************************/
43 /*****************************************************************************/
47 /* A structure that describes the header of a joystick driver loaded into
53 char id[3]; /* Contains 0x6a, 0x6f, 0x79 ("joy") */
54 unsigned char version; /* Interface version */
55 void* libreference; /* Library reference */
57 /* Jump vectors. Note that these are not C callable */
58 void* install; /* INSTALL routine */
59 void* uninstall; /* UNINSTALL routine */
60 void* count; /* COUNT routine */
61 void* read; /* READ routine */
62 void* irq; /* IRQ routine */
68 /* JOY kernel variables */
69 extern joy_drv_header* joy_drv; /* Pointer to driver */
73 /*****************************************************************************/
75 /*****************************************************************************/
79 void joy_clear_ptr (void);
80 /* Clear the joy_drv pointer */
84 /* End of joy-kernel.h */