528 lines
17 KiB
C
528 lines
17 KiB
C
/*
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* 86Box A hypervisor and IBM PC system emulator that specializes in
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* running old operating systems and software designed for IBM
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* PC systems and compatibles from 1981 through fairly recent
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* system designs based on the PCI bus.
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*
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* This file is part of the 86Box distribution.
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*
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* Implementation of a standard joystick.
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*
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* Authors: Miran Grca, <mgrca8@gmail.com>
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* Sarah Walker, <https://pcem-emulator.co.uk/>
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* Miran Grca, <mgrca8@gmail.com>
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* Jasmine Iwanek, <jriwanek@gmail.com>
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*
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* Copyright 2016-2018 Miran Grca.
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* Copyright 2008-2018 Sarah Walker.
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* Copyright 2021-2025 Jasmine Iwanek.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the:
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*
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* Free Software Foundation, Inc.
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* 59 Temple Place - Suite 330
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* Boston, MA 02111-1307
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* USA.
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*/
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#include <stdio.h>
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#include <stdint.h>
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#include <string.h>
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#include <stdlib.h>
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#include <wchar.h>
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#include <86box/86box.h>
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#include <86box/device.h>
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#include <86box/timer.h>
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#include <86box/gameport.h>
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#include <86box/plat_unused.h>
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static void *
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joystick_standard_init(void)
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{
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return NULL;
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}
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static void
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joystick_standard_close(UNUSED(void *priv))
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{
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//
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}
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static uint8_t
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joystick_standard_read(UNUSED(void *priv))
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{
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uint8_t ret = 0xf0;
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if (JOYSTICK_PRESENT(0, 0)) {
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if (joystick_state[0][0].button[0])
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ret &= ~0x10;
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if (joystick_state[0][0].button[1])
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ret &= ~0x20;
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}
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if (JOYSTICK_PRESENT(0, 1)) {
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if (joystick_state[0][1].button[0])
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ret &= ~0x40;
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if (joystick_state[0][1].button[1])
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ret &= ~0x80;
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}
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return ret;
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}
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static uint8_t
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joystick_standard_read_4button(UNUSED(void *priv))
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{
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uint8_t ret = 0xf0;
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if (JOYSTICK_PRESENT(0, 0)) {
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if (joystick_state[0][0].button[0])
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ret &= ~0x10;
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if (joystick_state[0][0].button[1])
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ret &= ~0x20;
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if (joystick_state[0][0].button[2])
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ret &= ~0x40;
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if (joystick_state[0][0].button[3])
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ret &= ~0x80;
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}
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return ret;
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}
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static void
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joystick_standard_write(UNUSED(void *priv))
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{
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//
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}
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static int
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joystick_standard_read_axis(UNUSED(void *priv), int axis)
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{
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switch (axis) {
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case 0:
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if (!JOYSTICK_PRESENT(0, 0))
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return AXIS_NOT_PRESENT;
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return joystick_state[0][0].axis[0];
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case 1:
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if (!JOYSTICK_PRESENT(0, 0))
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return AXIS_NOT_PRESENT;
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return joystick_state[0][0].axis[1];
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case 2:
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if (!JOYSTICK_PRESENT(0, 1))
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return AXIS_NOT_PRESENT;
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return joystick_state[0][1].axis[0];
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case 3:
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if (!JOYSTICK_PRESENT(0, 1))
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return AXIS_NOT_PRESENT;
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return joystick_state[0][1].axis[1];
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default:
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return 0;
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}
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}
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static int
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joystick_standard_read_axis_4button(UNUSED(void *priv), int axis)
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{
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if (!JOYSTICK_PRESENT(0, 0))
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return AXIS_NOT_PRESENT;
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switch (axis) {
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case 0:
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return joystick_state[0][0].axis[0];
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case 1:
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return joystick_state[0][0].axis[1];
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case 2:
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case 3:
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default:
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return 0;
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}
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}
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#if 0
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// For later use
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static int
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joystick_standard_read_axis_with_pov(UNUSED(void *priv), int axis)
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{
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if (!JOYSTICK_PRESENT(0, 0))
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return AXIS_NOT_PRESENT;
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switch (axis) {
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case 0: // X-axis
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return joystick_state[0][0].axis[0];
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case 1: // Y-axis
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return joystick_state[0][0].axis[1];
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case 2: // POV Hat (mapped to the 3rd logical axis, index 2)
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if (joystick_state[0][0].pov[0] == -1)
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return 32767; // Centered/No input (as per tm_fcs_rcs_read_axis example)
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if (joystick_state[0][0].pov[0] > 315 || joystick_state[0][0].pov[0] < 45)
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return -32768; // Up
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if (joystick_state[0][0].pov[0] >= 45 && joystick_state[0][0].pov[0] < 135)
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return -16384; // Up-Right (example value, matches tm_fcs_rcs_read_axis)
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if (joystick_state[0][0].pov[0] >= 135 && joystick_state[0][0].pov[0] < 225)
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return 0; // Right/Left (example, matches tm_fcs_rcs_read_axis)
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if (joystick_state[0][0].pov[0] >= 225 && joystick_state[0][0].pov[0] < 315)
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return 16384; // Down-Left (example value, matches tm_fcs_rcs_read_axis)
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return 0; // Fallback
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case 3: // This case might be used for a Z-axis if present, or can return 0 if not.
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// For gamepads with only X/Y and POV, this will likely be unused or return 0.
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return 0;
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default:
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return 0;
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}
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}
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#endif
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static int
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joystick_standard_read_axis_3axis(UNUSED(void *priv), int axis)
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{
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if (!JOYSTICK_PRESENT(0, 0))
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return AXIS_NOT_PRESENT;
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switch (axis) {
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case 0:
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return joystick_state[0][0].axis[0];
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case 1:
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return joystick_state[0][0].axis[1];
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case 2:
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return joystick_state[0][0].axis[2];
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case 3:
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default:
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return 0;
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}
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}
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static int
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joystick_standard_read_axis_4axis(UNUSED(void *priv), int axis)
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{
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if (!JOYSTICK_PRESENT(0, 0))
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return AXIS_NOT_PRESENT;
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switch (axis) {
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case 0:
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return joystick_state[0][0].axis[0];
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case 1:
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return joystick_state[0][0].axis[1];
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case 2:
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return joystick_state[0][0].axis[2];
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case 3:
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return joystick_state[0][0].axis[3];
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default:
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return 0;
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}
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}
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static int
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joystick_standard_read_axis_6button(UNUSED(void *priv), int axis)
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{
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if (!JOYSTICK_PRESENT(0, 0))
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return AXIS_NOT_PRESENT;
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switch (axis) {
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case 0:
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return joystick_state[0][0].axis[0];
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case 1:
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return joystick_state[0][0].axis[1];
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case 2:
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return joystick_state[0][0].button[4] ? -32767 : 32768;
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case 3:
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return joystick_state[0][0].button[5] ? -32767 : 32768;
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default:
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return 0;
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}
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}
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static int
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joystick_standard_read_axis_8button(UNUSED(void *priv), int axis)
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{
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if (!JOYSTICK_PRESENT(0, 0))
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return AXIS_NOT_PRESENT;
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switch (axis) {
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case 0:
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return joystick_state[0][0].axis[0];
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case 1:
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return joystick_state[0][0].axis[1];
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case 2:
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if (joystick_state[0][0].button[4])
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return -32767;
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if (joystick_state[0][0].button[6])
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return 32768;
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return 0;
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case 3:
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if (joystick_state[0][0].button[5])
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return -32767;
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if (joystick_state[0][0].button[7])
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return 32768;
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return 0;
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default:
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return 0;
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}
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}
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static void
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joystick_standard_a0_over(UNUSED(void *priv))
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{
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//
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}
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const joystick_t joystick_2axis_2button = {
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.name = "2-axis, 2-button joystick(s)",
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.internal_name = "2axis_2button",
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.init = joystick_standard_init,
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.close = joystick_standard_close,
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.read = joystick_standard_read,
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.write = joystick_standard_write,
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.read_axis = joystick_standard_read_axis,
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.a0_over = joystick_standard_a0_over,
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.axis_count = 2,
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.button_count = 2,
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.pov_count = 0,
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.max_joysticks = 2,
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.axis_names = { "X axis", "Y axis" },
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.button_names = { "Button 1", "Button 2" },
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.pov_names = { NULL }
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};
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const joystick_t joystick_2button_gamepad = {
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.name = "2-button gamepad(s)",
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.internal_name = "2button_gamepad",
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.init = joystick_standard_init,
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.close = joystick_standard_close,
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.read = joystick_standard_read,
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.write = joystick_standard_write,
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.read_axis = joystick_standard_read_axis,
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.a0_over = joystick_standard_a0_over,
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.axis_count = 2,
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.button_count = 2,
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.pov_count = 0,
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.max_joysticks = 2,
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.axis_names = { "X axis", "Y axis" },
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.button_names = { "Button 1", "Button 2" },
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.pov_names = { NULL }
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};
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const joystick_t joystick_2button_flight_yoke = {
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.name = "2-button flight yoke",
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.internal_name = "2button_flight_yoke",
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.init = joystick_standard_init,
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.close = joystick_standard_close,
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.read = joystick_standard_read,
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.write = joystick_standard_write,
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.read_axis = joystick_standard_read_axis,
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.a0_over = joystick_standard_a0_over,
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.axis_count = 2,
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.button_count = 2,
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.pov_count = 0,
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.max_joysticks = 2,
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.axis_names = { "Roll axis", "Pitch axis" },
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.button_names = { "Trigger", "Button 2" },
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.pov_names = { NULL }
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};
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const joystick_t joystick_2axis_4button = {
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.name = "2-axis, 4-button joystick",
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.internal_name = "2axis_4button",
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.init = joystick_standard_init,
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.close = joystick_standard_close,
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.read = joystick_standard_read_4button,
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.write = joystick_standard_write,
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.read_axis = joystick_standard_read_axis_4button,
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.a0_over = joystick_standard_a0_over,
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.axis_count = 2,
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.button_count = 4,
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.pov_count = 0,
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.max_joysticks = 1,
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.axis_names = { "X axis", "Y axis" },
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.button_names = { "Button 1", "Button 2", "Button 3", "Button 4" },
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.pov_names = { NULL }
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};
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const joystick_t joystick_4button_gamepad = {
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.name = "4-button gamepad",
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.internal_name = "4button_gamepad",
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.init = joystick_standard_init,
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.close = joystick_standard_close,
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.read = joystick_standard_read_4button,
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.write = joystick_standard_write,
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.read_axis = joystick_standard_read_axis_4button,
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.a0_over = joystick_standard_a0_over,
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.axis_count = 2,
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.button_count = 4,
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.pov_count = 0,
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.max_joysticks = 1,
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.axis_names = { "X axis", "Y axis" },
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.button_names = { "Button 1", "Button 2", "Button 3", "Button 4" },
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.pov_names = { NULL }
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};
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const joystick_t joystick_4button_flight_yoke = {
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.name = "4-button flight yoke",
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.internal_name = "4button_flight_yoke",
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.init = joystick_standard_init,
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.close = joystick_standard_close,
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.read = joystick_standard_read_4button,
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.write = joystick_standard_write,
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.read_axis = joystick_standard_read_axis_4button,
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.a0_over = joystick_standard_a0_over,
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.axis_count = 2,
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.button_count = 4,
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.pov_count = 0,
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.max_joysticks = 1,
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.axis_names = { "Roll axis", "Pitch axis" },
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.button_names = { "Trigger", "Button 2", "Button 3", "Button 4" },
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.pov_names = { NULL }
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};
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const joystick_t joystick_3axis_2button = {
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.name = "3-axis, 2-button joystick",
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.internal_name = "3axis_2button",
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.init = joystick_standard_init,
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.close = joystick_standard_close,
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.read = joystick_standard_read,
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.write = joystick_standard_write,
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.read_axis = joystick_standard_read_axis_3axis,
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.a0_over = joystick_standard_a0_over,
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.axis_count = 3,
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.button_count = 2,
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.pov_count = 0,
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.max_joysticks = 1,
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.axis_names = { "X axis", "Y axis", "Z axis" },
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.button_names = { "Button 1", "Button 2" },
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.pov_names = { NULL }
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};
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const joystick_t joystick_2button_yoke_throttle = {
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.name = "2-button flight yoke with throttle",
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.internal_name = "2button_yoke_throttle",
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.init = joystick_standard_init,
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.close = joystick_standard_close,
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.read = joystick_standard_read,
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.write = joystick_standard_write,
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.read_axis = joystick_standard_read_axis_3axis,
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.a0_over = joystick_standard_a0_over,
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.axis_count = 3,
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.button_count = 2,
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.pov_count = 0,
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.max_joysticks = 1,
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.axis_names = { "Roll axis", "Pitch axis", "Throttle axis" },
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.button_names = { "Trigger", "Button 2" },
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.pov_names = { NULL }
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};
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const joystick_t joystick_3axis_4button = {
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.name = "3-axis, 4-button joystick",
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.internal_name = "3axis_4button",
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.init = joystick_standard_init,
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.close = joystick_standard_close,
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.read = joystick_standard_read_4button,
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.write = joystick_standard_write,
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.read_axis = joystick_standard_read_axis_3axis,
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.a0_over = joystick_standard_a0_over,
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.axis_count = 3,
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.button_count = 4,
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.pov_count = 0,
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.max_joysticks = 1,
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.axis_names = { "X axis", "Y axis", "Z axis" },
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.button_names = { "Button 1", "Button 2", "Button 3", "Button 4" },
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.pov_names = { NULL }
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};
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const joystick_t joystick_4button_yoke_throttle = {
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.name = "4-button flight yoke with throttle",
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.internal_name = "4button_yoke_throttle",
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.init = joystick_standard_init,
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.close = joystick_standard_close,
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.read = joystick_standard_read_4button,
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.write = joystick_standard_write,
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.read_axis = joystick_standard_read_axis_3axis,
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.a0_over = joystick_standard_a0_over,
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.axis_count = 3,
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.button_count = 4,
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.pov_count = 0,
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.max_joysticks = 1,
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.axis_names = { "Roll axis", "Pitch axis", "Throttle axis" },
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.button_names = { "Button 1", "Button 2", "Button 3", "Button 4" },
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.pov_names = { NULL }
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};
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const joystick_t joystick_win95_steering_wheel = {
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.name = "Win95 Steering Wheel (3-axis, 4-button)",
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.internal_name = "win95_steering_wheel",
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.init = joystick_standard_init,
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.close = joystick_standard_close,
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.read = joystick_standard_read_4button,
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.write = joystick_standard_write,
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.read_axis = joystick_standard_read_axis_3axis,
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.a0_over = joystick_standard_a0_over,
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.axis_count = 3,
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.button_count = 4,
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.pov_count = 0,
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.max_joysticks = 1,
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.axis_names = { "Steering axis", "Accelerator axis", "Brake axis" },
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.button_names = { "Button 1", "Button 2", "Button 3", "Button 4" },
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.pov_names = { NULL }
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};
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const joystick_t joystick_4axis_4button = {
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.name = "4-axis, 4-button joystick",
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.internal_name = "4axis_4button",
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.init = joystick_standard_init,
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.close = joystick_standard_close,
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.read = joystick_standard_read_4button,
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.write = joystick_standard_write,
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.read_axis = joystick_standard_read_axis_4axis,
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.a0_over = joystick_standard_a0_over,
|
|
.axis_count = 4,
|
|
.button_count = 4,
|
|
.pov_count = 0,
|
|
.max_joysticks = 1,
|
|
.axis_names = { "X axis", "Y axis", "Z axis", "zX axis" },
|
|
.button_names = { "Button 1", "Button 2", "Button 3", "Button 4" },
|
|
.pov_names = { NULL }
|
|
};
|
|
|
|
const joystick_t joystick_2axis_6button = {
|
|
.name = "2-axis, 6-button joystick",
|
|
.internal_name = "2axis_6button",
|
|
.init = joystick_standard_init,
|
|
.close = joystick_standard_close,
|
|
.read = joystick_standard_read_4button,
|
|
.write = joystick_standard_write,
|
|
.read_axis = joystick_standard_read_axis_6button,
|
|
.a0_over = joystick_standard_a0_over,
|
|
.axis_count = 2,
|
|
.button_count = 6,
|
|
.pov_count = 0,
|
|
.max_joysticks = 1,
|
|
.axis_names = { "X axis", "Y axis" },
|
|
.button_names = { "Button 1", "Button 2", "Button 3", "Button 4", "Button 5", "Button 6" },
|
|
.pov_names = { NULL }
|
|
};
|
|
|
|
const joystick_t joystick_2axis_8button = {
|
|
.name = "2-axis, 8-button joystick",
|
|
.internal_name = "2axis_8button",
|
|
.init = joystick_standard_init,
|
|
.close = joystick_standard_close,
|
|
.read = joystick_standard_read_4button,
|
|
.write = joystick_standard_write,
|
|
.read_axis = joystick_standard_read_axis_8button,
|
|
.a0_over = joystick_standard_a0_over,
|
|
.axis_count = 2,
|
|
.button_count = 8,
|
|
.pov_count = 0,
|
|
.max_joysticks = 1,
|
|
.axis_names = { "X axis", "Y axis" },
|
|
.button_names = { "Button 1", "Button 2", "Button 3", "Button 4", "Button 5", "Button 6", "Button 7", "Button 8" },
|
|
.pov_names = { NULL }
|
|
};
|