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Joystick library, first version

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git-svn-id: svn://svn.cc65.org/cc65/trunk@1796 b7a2c559-68d2-44c3-8de9-860c34a00d81
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cuz
2002-12-20 20:59:11 +00:00
parent bb0d6a6e39
commit 4157bba161
7 changed files with 271 additions and 0 deletions
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81
libsrc/joystick/joy_load.c Normal file
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/*****************************************************************************/
/* */
/* joy_load.c */
/* */
/* Loader module for joystick drivers */
/* */
/* */
/* */
/* (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. */
/* */
/*****************************************************************************/
#include <string.h>
#include <fcntl.h>
#include <modload.h>
#include <joystick.h>
#include <joystick/joy-kernel.h>
unsigned char __fastcall__ joy_load_driver (const char* name)
/* Load a joystick driver and return an error code */
{
static struct mod_ctrl ctrl = {
read /* Read from disk */
};
unsigned char Res;
/* Check if we do already have a driver loaded. If so, remove it. */
if (joy_drv != 0) {
joy_deinstall ();
}
/* Now open the file */
ctrl.callerdata = open (name, O_RDONLY);
if (ctrl.callerdata >= 0) {
/* Load the module */
Res = mod_load (&ctrl);
/* Close the input file */
close (ctrl.callerdata);
/* Check the return code */
if (Res == MLOAD_OK) {
/* Check the driver signature, install the driver */
return joy_install (ctrl.module);
}
}
/* Error loading the driver */
return JOY_ERR_CANNOT_LOAD;
}