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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 361 | giacomo | 1 | |
| 2 | /* |
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| 3 | * Project: S.Ha.R.K. |
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| 4 | * |
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| 5 | * Coordinators: Giorgio Buttazzo <giorgio@sssup.it> |
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| 6 | * |
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| 7 | * Authors : Mauro Marinoni <mauro.marinoni@unipv.it> |
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| 8 | * (see authors.txt for full list of hartik's authors) |
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| 9 | * |
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| 10 | * ReTiS Lab (Scuola Superiore S.Anna - Pisa - Italy) |
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| 11 | * |
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| 12 | * http://www.sssup.it |
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| 13 | * http://retis.sssup.it |
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| 14 | * http://shark.sssup.it |
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| 15 | */ |
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| 16 | |||
| 17 | /* |
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| 18 | * Copyright (C) 2000 Paolo Gai |
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| 19 | * |
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| 20 | * This program is free software; you can redistribute it and/or modify |
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| 21 | * it under the terms of the GNU General Public License as published by |
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| 22 | * the Free Software Foundation; either version 2 of the License, or |
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| 23 | * (at your option) any later version. |
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| 24 | * |
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| 25 | * This program is distributed in the hope that it will be useful, |
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| 26 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 27 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 28 | * GNU General Public License for more details. |
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| 29 | * |
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| 30 | * You should have received a copy of the GNU General Public License |
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| 31 | * along with this program; if not, write to the Free Software |
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| 32 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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| 33 | * |
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| 34 | */ |
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| 35 | |||
| 36 | #include "kernel/kern.h" |
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| 37 | #include "joy.h" |
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| 38 | |||
| 39 | void get_joystick_buttons(JOY_BUTTONS *jb) |
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| 40 | { |
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| 41 | int j; |
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| 42 | |||
| 43 | outp(JPORT, 0); |
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| 44 | j = inp(JPORT); |
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| 45 | jb->b1 = !(j & 0x10); |
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| 46 | jb->b2 = !(j & 0x20); |
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| 47 | jb->b3 = !(j & 0x40); |
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| 48 | jb->b4 = !(j & 0x80); |
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| 49 | } |
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| 50 | |||
| 51 | int get_joystick_AB(JOY_STATE *jsa, JOY_STATE *jsb) |
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| 52 | { |
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| 53 | int i, j; |
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| 54 | int mask = 15; |
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| 55 | |||
| 56 | SYS_FLAGS f; |
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| 57 | |||
| 58 | outp(JPORT, 0); |
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| 59 | f = kern_fsave(); |
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| 60 | for (i=1; mask && i<CMAX; i++) { |
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| 61 | j = inp(JPORT) ^ mask; |
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| 62 | if (j & 1) { jsa->x = i; mask ^= 1; } |
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| 63 | if (j & 2) { jsa->y = i; mask ^= 2; } |
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| 64 | if (j & 4) { jsb->x = i; mask ^= 4; } |
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| 65 | if (j & 8) { jsb->y = i; mask ^= 8; } |
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| 66 | } |
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| 67 | kern_frestore(f); |
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| 68 | j = inp(JPORT); |
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| 69 | jsa->b1 = !(j & 0x10); |
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| 70 | jsa->b2 = !(j & 0x20); |
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| 71 | jsb->b1 = !(j & 0x40); |
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| 72 | jsb->b2 = !(j & 0x80); |
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| 73 | |||
| 74 | return i==CMAX ? -1 : 0; |
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| 75 | } |
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| 76 | |||
| 77 | int get_joystick_A(JOY_STATE *js) |
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| 78 | { |
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| 79 | int i, j; |
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| 80 | int mask = 3; |
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| 81 | |||
| 82 | SYS_FLAGS f; |
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| 83 | |||
| 84 | outp(JPORT, 0); |
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| 85 | f = kern_fsave(); |
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| 86 | for (i=1; mask && i<CMAX; i++) { |
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| 87 | j = inp(JPORT) ^ mask; |
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| 88 | if (j & 1) { js->x = i; mask ^= 1; } |
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| 89 | if (j & 2) { js->y = i; mask ^= 2; } |
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| 90 | } |
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| 91 | kern_frestore(f); |
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| 92 | j = inp(JPORT); |
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| 93 | js->b1 = !(j & 0x10); |
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| 94 | js->b2 = !(j & 0x20); |
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| 95 | |||
| 96 | return i==CMAX ? -1 : 0; |
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| 97 | } |
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| 98 | |||
| 99 | int get_joystick_B(JOY_STATE *js) |
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| 100 | { |
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| 101 | int i, j; |
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| 102 | int mask = 12; |
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| 103 | |||
| 104 | SYS_FLAGS f; |
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| 105 | |||
| 106 | outp(JPORT, 0); |
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| 107 | f = kern_fsave(); |
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| 108 | for (i=1; mask && i<CMAX; i++) { |
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| 109 | j = inp(JPORT) ^ mask; |
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| 110 | if (j & 4) { js->x = i; mask ^= 4; } |
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| 111 | if (j & 8) { js->y = i; mask ^= 8; } |
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| 112 | } |
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| 113 | kern_frestore(f); |
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| 114 | j = inp(JPORT); |
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| 115 | js->b1 = !(j & 0x40); |
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| 116 | js->b2 = !(j & 0x80); |
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| 117 | |||
| 118 | return i==CMAX ? -1 : 0; |
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| 119 | } |
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| 120 | |||
| 121 | int get_joystick_bound_A(JOY_BOUND *jb) |
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| 122 | { |
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| 123 | int i, j; |
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| 124 | int mask = 3; |
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| 125 | int xmin = CMAX, ymin = CMAX; |
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| 126 | int xmax = 0, ymax = 0; |
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| 127 | int btn = 0; |
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| 128 | |||
| 129 | SYS_FLAGS f; |
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| 130 | |||
| 131 | while (!btn) { |
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| 132 | mask = 3; |
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| 133 | outp(JPORT, 0); |
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| 134 | f = kern_fsave(); |
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| 135 | for (i=1; mask && i<CMAX; i++) { |
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| 136 | j = inp(JPORT) ^ mask; |
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| 137 | if (j & 1) { |
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| 138 | if (i < xmin) xmin = i; |
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| 139 | if (i > xmax) xmax = i; |
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| 140 | mask ^= 1; |
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| 141 | } |
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| 142 | if (j & 2) { |
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| 143 | if (i < ymin) ymin = i; |
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| 144 | if (i > ymax) ymax = i; |
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| 145 | mask ^= 2; |
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| 146 | } |
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| 147 | } |
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| 148 | kern_frestore(f); |
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| 149 | if (i==CMAX) return -1; |
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| 150 | j = inp(JPORT); |
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| 151 | btn += !(j & 0x10); |
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| 152 | btn += !(j & 0x20); |
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| 153 | } |
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| 154 | |||
| 155 | jb->x_min = xmin; |
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| 156 | jb->y_min = ymin; |
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| 157 | jb->x_max = xmax; |
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| 158 | jb->y_max = ymax; |
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| 159 | |||
| 160 | return 0; |
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| 161 | } |
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| 162 | |||
| 163 | int get_joystick_bound_B(JOY_BOUND *jb) |
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| 164 | { |
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| 165 | int i, j; |
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| 166 | int mask; |
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| 167 | int xmin = CMAX, ymin = CMAX; |
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| 168 | int xmax = 0, ymax = 0; |
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| 169 | int btn = 0; |
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| 170 | |||
| 171 | SYS_FLAGS f; |
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| 172 | |||
| 173 | while (!btn) { |
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| 174 | mask = 12; |
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| 175 | outp(JPORT, 0); |
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| 176 | f = kern_fsave(); |
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| 177 | for (i=1; mask && i<CMAX; i++) { |
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| 178 | j = inp(JPORT) ^ mask; |
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| 179 | if (j & 4) { |
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| 180 | if (i < xmin) xmin = i; |
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| 181 | if (i > xmax) xmax = i; |
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| 182 | mask ^= 4; |
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| 183 | } |
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| 184 | if (j & 8) { |
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| 185 | if (i < ymin) ymin = i; |
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| 186 | if (i > ymax) ymax = i; |
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| 187 | mask ^= 8; |
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| 188 | } |
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| 189 | } |
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| 190 | kern_frestore(f); |
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| 191 | if (i==CMAX) return -1; |
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| 192 | j = inp(JPORT); |
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| 193 | btn += !(j & 0x40); |
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| 194 | btn += !(j & 0x80); |
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| 195 | } |
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| 196 | |||
| 197 | jb->x_min = xmin; |
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| 198 | jb->y_min = ymin; |
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| 199 | jb->x_max = xmax; |
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| 200 | jb->y_max = ymax; |
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| 201 | |||
| 202 | return 0; |
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| 203 | } |