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Viewing changes to src/userport/userport_joystick.c

  • Committer: Package Import Robot
  • Author(s): Logan Rosen
  • Date: 2014-05-10 21:08:23 UTC
  • mfrom: (17.2.1 utopic-proposed)
  • Revision ID: package-import@ubuntu.com-20140510210823-r7x98jmpl1x7rgop
Tags: 2.4.dfsg+2.4.6-1ubuntu1
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src/userport/userport_joystick.c
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/*
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 * userport_dac.c - Generic userport joystick emulation.
 
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 * userport_joystick.c - Generic userport joystick emulation.
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 *
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 * Written by
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 *  Marco van den Heuvel <blackystardust68@yahoo.com>
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#include <stdlib.h>
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#include <string.h>
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#include "cmdline.h"
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#include "joystick.h"
 
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#include "resources.h"
 
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#include "translate.h"
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#include "types.h"
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#include "userport_joystick.h"
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/* ------------------------------------------------------------------------- */
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static int set_userport_joystick_enable(int val, void *param)
 
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{
 
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    userport_joystick_enable = val;
 
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    return 0;
 
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}
 
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static int set_userport_joystick_type(int val, void *param)
 
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{
 
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    if (val >= USERPORT_JOYSTICK_NUM) {
 
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        return -1;
 
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    }
 
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    userport_joystick_type = val;
 
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    return 0;
 
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}
 
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static const resource_int_t resources_int[] = {
 
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    { "UserportJoy", 0, RES_EVENT_NO, NULL,
 
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      &userport_joystick_enable, set_userport_joystick_enable, NULL },
 
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    { "UserportJoyType", 0, RES_EVENT_NO, NULL,
 
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      &userport_joystick_type, set_userport_joystick_type, NULL },
 
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    { NULL }
 
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};
 
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int userport_joystick_resources_init(void)
 
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{
 
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    return resources_register_int(resources_int);
 
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}
 
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static const cmdline_option_t cmdline_options[] =
 
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{
 
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    { "-userportjoy", SET_RESOURCE, 0,
 
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      NULL, NULL, "UserportJoy", (resource_value_t)1,
 
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      USE_PARAM_STRING, USE_DESCRIPTION_ID,
 
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      IDCLS_UNUSED, IDCLS_ENABLE_USERPORT_JOY,
 
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      NULL, NULL },
 
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    { "+userportjoy", SET_RESOURCE, 0,
 
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      NULL, NULL, "UserportJoy", (resource_value_t)0,
 
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      USE_PARAM_STRING, USE_DESCRIPTION_ID,
 
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      IDCLS_UNUSED, IDCLS_DISABLE_USERPORT_JOY,
 
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      NULL, NULL },
 
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    { "-userportjoytype", SET_RESOURCE, 1,
 
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      NULL, NULL, "UserportJoyType", (resource_value_t)0,
 
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      USE_PARAM_ID, USE_DESCRIPTION_ID,
 
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      IDCLS_P_TYPE, IDCLS_SET_USERPORT_JOY_TYPE,
 
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      NULL, NULL },
 
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    { NULL }
 
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};
 
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int userport_joystick_cmdline_options_init(void)
 
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{
 
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    return cmdline_register_options(cmdline_options);
 
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}
 
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/* ------------------------------------------------------------------------- */
 
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/* FIXME: direction and unused bits are not yet taken into account */
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/* C64/C128 only */
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                retval = (BYTE)~((jv3 & 0xf) | ((jv4 & 0xf) << 4));
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                break;
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            case USERPORT_JOYSTICK_CGA:
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                retval = (BYTE)~((jv3 & 0x10) | ((jv4 & 0x10) << 1)
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                               | (get_joystick_value(userport_joystick_cga_select + 3) & 0xf));
 
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                retval = (BYTE)~((jv3 & 0x10) | ((jv4 & 0x10) << 1) | (get_joystick_value(userport_joystick_cga_select + 3) & 0xf));
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                break;
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            case USERPORT_JOYSTICK_PET:
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                retval = ((jv3 & 0xf) | ((jv4 & 0xf) << 4));
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                retval |= ((jv3 & 4) << 3);
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                retval |= ((jv3 & 8) << 1);
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                retval |= ((jv3 & 16) >> 1);
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                retval = (BYTE)~!retval;
 
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                retval = (BYTE)~retval;
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                break;
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            case USERPORT_JOYSTICK_KINGSOFT:
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                retval = ((jv4 >> 3) & 1) << 0;