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1 | /* faking/emulating gp2x by using gtk */ |
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2 | #include <stdio.h> |
3 | #include <stdlib.h> |
4 | #include <string.h> |
5 | #include <pthread.h> |
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6 | #include <semaphore.h> |
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7 | #include <gtk/gtk.h> |
8 | |
9 | #include <unistd.h> |
10 | #include <sys/types.h> |
11 | #include <sys/stat.h> |
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12 | #include <fcntl.h> |
13 | #include <errno.h> |
14 | |
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15 | #include "../gp2x/version.h" |
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16 | #include "../common/emu.h" |
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17 | #include "../common/menu.h" |
18 | #include "../common/readpng.h" |
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19 | #include "sndout_oss.h" |
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20 | |
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21 | #include "log_io.h" |
22 | |
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23 | unsigned long current_keys = 0; |
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24 | static int current_bpp = 8; |
25 | static int current_pal[256]; |
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26 | static const char *verstring = "PicoDrive " VERSION; |
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27 | static int scr_changed = 0, scr_w = SCREEN_WIDTH, scr_h = SCREEN_HEIGHT; |
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28 | |
29 | // dummies |
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30 | int mix_32_to_16l_level; |
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31 | int crashed_940 = 0; |
32 | int default_cpu_clock = 123; |
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33 | |
34 | /* gtk */ |
35 | struct gtk_global_struct |
36 | { |
37 | GtkWidget *window; |
38 | GtkWidget *pixmap1; |
39 | } gtk_items; |
40 | |
41 | |
42 | static gboolean delete_event (GtkWidget *widget, GdkEvent *event, gpointer data) |
43 | { |
44 | return FALSE; |
45 | } |
46 | |
47 | static void destroy (GtkWidget *widget, gpointer data) |
48 | { |
49 | gtk_main_quit (); |
50 | } |
51 | |
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52 | /* faking GP2X pad */ |
53 | enum { GP2X_UP=0x1, GP2X_LEFT=0x4, GP2X_DOWN=0x10, GP2X_RIGHT=0x40, |
54 | GP2X_START=1<<8, GP2X_SELECT=1<<9, GP2X_L=1<<10, GP2X_R=1<<11, |
55 | GP2X_A=1<<12, GP2X_B=1<<13, GP2X_X=1<<14, GP2X_Y=1<<15, |
56 | GP2X_VOL_UP=1<<23, GP2X_VOL_DOWN=1<<22, GP2X_PUSH=1<<27 }; |
57 | |
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58 | static gint key_press_event (GtkWidget *widget, GdkEventKey *event) |
59 | { |
60 | switch (event->hardware_keycode) |
61 | { |
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62 | case 111: |
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63 | case 0x62: current_keys |= GP2X_UP; break; |
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64 | case 116: |
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65 | case 0x68: current_keys |= GP2X_DOWN; break; |
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66 | case 113: |
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67 | case 0x64: current_keys |= GP2X_LEFT; break; |
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68 | case 114: |
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69 | case 0x66: current_keys |= GP2X_RIGHT; break; |
70 | case 0x24: current_keys |= GP2X_START; break; // enter |
71 | case 0x23: current_keys |= GP2X_SELECT;break; // ] |
72 | case 0x34: current_keys |= GP2X_A; break; // z |
73 | case 0x35: current_keys |= GP2X_X; break; // x |
74 | case 0x36: current_keys |= GP2X_B; break; // c |
75 | case 0x37: current_keys |= GP2X_Y; break; // v |
76 | case 0x27: current_keys |= GP2X_L; break; // s |
77 | case 0x28: current_keys |= GP2X_R; break; // d |
78 | case 0x29: current_keys |= GP2X_PUSH; break; // f |
79 | case 0x18: current_keys |= GP2X_VOL_DOWN;break; // q |
80 | case 0x19: current_keys |= GP2X_VOL_UP;break; // w |
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81 | case 0x2d: log_io_clear(); break; // k |
82 | case 0x2e: log_io_dump(); break; // l |
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83 | case 0x17: { // tab |
84 | extern int PicoReset(void); |
85 | PicoReset(); |
86 | break; |
87 | } |
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88 | } |
89 | |
90 | return 0; |
91 | } |
92 | |
93 | static gint key_release_event (GtkWidget *widget, GdkEventKey *event) |
94 | { |
95 | switch (event->hardware_keycode) |
96 | { |
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97 | case 111: |
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98 | case 0x62: current_keys &= ~GP2X_UP; break; |
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99 | case 116: |
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100 | case 0x68: current_keys &= ~GP2X_DOWN; break; |
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101 | case 113: |
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102 | case 0x64: current_keys &= ~GP2X_LEFT; break; |
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103 | case 114: |
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104 | case 0x66: current_keys &= ~GP2X_RIGHT; break; |
105 | case 0x24: current_keys &= ~GP2X_START; break; // enter |
106 | case 0x23: current_keys &= ~GP2X_SELECT;break; // ] |
107 | case 0x34: current_keys &= ~GP2X_A; break; // z |
108 | case 0x35: current_keys &= ~GP2X_X; break; // x |
109 | case 0x36: current_keys &= ~GP2X_B; break; // c |
110 | case 0x37: current_keys &= ~GP2X_Y; break; // v |
111 | case 0x27: current_keys &= ~GP2X_L; break; // s |
112 | case 0x28: current_keys &= ~GP2X_R; break; // d |
113 | case 0x29: current_keys &= ~GP2X_PUSH; break; // f |
114 | case 0x18: current_keys &= ~GP2X_VOL_DOWN;break; // q |
115 | case 0x19: current_keys &= ~GP2X_VOL_UP;break; // w |
116 | } |
117 | |
118 | return 0; |
119 | } |
120 | |
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121 | static void size_allocate_event(GtkWidget *widget, GtkAllocation *allocation, gpointer user_data) |
122 | { |
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123 | // printf("%dx%d\n", allocation->width, allocation->height); |
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124 | if (scr_w != allocation->width - 2 || scr_h != allocation->height - 2) { |
125 | scr_w = allocation->width - 2; |
126 | scr_h = allocation->height - 2; |
127 | scr_changed = 1; |
128 | } |
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129 | } |
130 | |
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131 | static void *gtk_threadf(void *targ) |
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132 | { |
133 | int argc = 0; |
134 | char *argv[] = { "" }; |
135 | GtkWidget *box; |
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136 | sem_t *sem = targ; |
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137 | |
138 | g_thread_init (NULL); |
139 | gdk_threads_init (); |
140 | gdk_set_locale (); |
141 | gtk_init (&argc, (char ***) &argv); |
142 | |
143 | /* create new window */ |
144 | gtk_items.window = gtk_window_new (GTK_WINDOW_TOPLEVEL); |
145 | g_signal_connect (G_OBJECT (gtk_items.window), "delete_event", |
146 | G_CALLBACK (delete_event), NULL); |
147 | |
148 | g_signal_connect (G_OBJECT (gtk_items.window), "destroy", |
149 | G_CALLBACK (destroy), NULL); |
150 | |
151 | g_signal_connect (G_OBJECT (gtk_items.window), "key_press_event", |
152 | G_CALLBACK (key_press_event), NULL); |
153 | |
154 | g_signal_connect (G_OBJECT (gtk_items.window), "key_release_event", |
155 | G_CALLBACK (key_release_event), NULL); |
156 | |
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157 | g_signal_connect (G_OBJECT (gtk_items.window), "size_allocate", |
158 | G_CALLBACK (size_allocate_event), NULL); |
159 | |
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160 | gtk_container_set_border_width (GTK_CONTAINER (gtk_items.window), 1); |
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161 | gtk_window_set_title ((GtkWindow *) gtk_items.window, verstring); |
162 | |
163 | box = gtk_hbox_new(FALSE, 0); |
164 | gtk_widget_show(box); |
165 | gtk_container_add (GTK_CONTAINER (gtk_items.window), box); |
166 | |
167 | /* live pixmap */ |
168 | gtk_items.pixmap1 = gtk_image_new (); |
169 | gtk_container_add (GTK_CONTAINER (box), gtk_items.pixmap1); |
170 | gtk_widget_show (gtk_items.pixmap1); |
171 | gtk_widget_set_size_request (gtk_items.pixmap1, 320, 240); |
172 | |
173 | gtk_widget_show (gtk_items.window); |
174 | |
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175 | sem_post(sem); |
176 | |
177 | gtk_main(); |
178 | |
179 | printf("linux: gtk thread finishing\n"); |
180 | exit(1); |
181 | |
182 | return NULL; |
183 | } |
184 | |
185 | static void gtk_initf(void) |
186 | { |
187 | pthread_t gtk_thread; |
188 | sem_t sem; |
189 | sem_init(&sem, 0, 0); |
190 | |
191 | pthread_create(>k_thread, NULL, gtk_threadf, &sem); |
192 | pthread_detach(gtk_thread); |
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193 | |
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194 | sem_wait(&sem); |
195 | sem_close(&sem); |
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196 | } |
197 | |
198 | void finalize_image(guchar *pixels, gpointer data) |
199 | { |
200 | free(pixels); |
201 | } |
202 | |
203 | /* --- */ |
204 | |
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205 | static void realloc_screen(void) |
206 | { |
207 | void *old = g_screen_ptr; |
208 | g_screen_width = scr_w; |
209 | g_screen_height = scr_h; |
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210 | g_screen_ptr = calloc(g_screen_width * g_screen_height * 2, 1); |
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211 | free(old); |
212 | scr_changed = 0; |
213 | } |
214 | |
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215 | /* gp2x/emu.c stuff, most to be rm'd */ |
216 | static void gp2x_video_flip_(void) |
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217 | { |
218 | GdkPixbuf *pixbuf; |
219 | unsigned char *image; |
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220 | int pixel_count, i; |
221 | |
222 | pixel_count = g_screen_width * g_screen_height; |
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223 | |
224 | gdk_threads_enter(); |
225 | |
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226 | image = malloc(pixel_count * 3); |
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227 | if (image == NULL) |
228 | { |
229 | gdk_threads_leave(); |
230 | return; |
231 | } |
232 | |
233 | if (current_bpp == 8) |
234 | { |
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235 | unsigned char *pixels = g_screen_ptr; |
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236 | int pix; |
237 | |
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238 | for (i = 0; i < pixel_count; i++) |
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239 | { |
240 | pix = current_pal[pixels[i]]; |
241 | image[3 * i + 0] = pix >> 16; |
242 | image[3 * i + 1] = pix >> 8; |
243 | image[3 * i + 2] = pix; |
244 | } |
245 | } |
246 | else |
247 | { |
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248 | unsigned short *pixels = g_screen_ptr; |
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249 | |
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250 | for (i = 0; i < pixel_count; i++) |
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251 | { |
252 | /* in: rrrr rggg gggb bbbb */ |
253 | /* out: rrrr r000 gggg gg00 bbbb b000 */ |
254 | image[3 * i + 0] = (pixels[i] >> 8) & 0xf8; |
255 | image[3 * i + 1] = (pixels[i] >> 3) & 0xfc; |
256 | image[3 * i + 2] = (pixels[i] << 3); |
257 | } |
258 | } |
259 | |
260 | pixbuf = gdk_pixbuf_new_from_data (image, GDK_COLORSPACE_RGB, |
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261 | FALSE, 8, g_screen_width, g_screen_height, |
262 | g_screen_width * 3, finalize_image, NULL); |
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263 | gtk_image_set_from_pixbuf (GTK_IMAGE (gtk_items.pixmap1), pixbuf); |
264 | g_object_unref (pixbuf); |
265 | |
266 | gdk_threads_leave(); |
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267 | |
268 | if (scr_changed) |
269 | realloc_screen(); |
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270 | } |
271 | |
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272 | static void gp2x_video_changemode_ll_(int bpp) |
273 | { |
274 | current_bpp = bpp; |
275 | } |
276 | |
277 | static void gp2x_video_setpalette_(int *pal, int len) |
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278 | { |
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279 | memcpy(current_pal, pal, len*4); |
280 | } |
281 | |
282 | void gp2x_memcpy_all_buffers(void *data, int offset, int len) |
283 | { |
284 | } |
285 | |
286 | void gp2x_memset_all_buffers(int offset, int byte, int len) |
287 | { |
288 | memset((char *)g_screen_ptr + offset, byte, len); |
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289 | } |
290 | |
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291 | void gp2x_video_changemode(int bpp) |
292 | { |
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293 | gp2x_video_changemode_ll_(bpp); |
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294 | } |
295 | |
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296 | void gp2x_make_fb_bufferable(int yes) |
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297 | { |
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298 | } |
299 | |
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300 | int soc_detect(void) |
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301 | { |
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302 | return 0; |
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303 | } |
304 | |
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305 | /* plat */ |
306 | static char menu_bg_buffer[320*240*2]; |
307 | char cpu_clk_name[16] = "GP2X CPU clocks"; |
308 | |
309 | void plat_video_menu_enter(int is_rom_loaded) |
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310 | { |
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311 | if (is_rom_loaded) |
312 | { |
313 | // darken the active framebuffer |
314 | memset(g_screen_ptr, 0, 320*8*2); |
315 | menu_darken_bg((char *)g_screen_ptr + 320*8*2, 320*224, 1); |
316 | memset((char *)g_screen_ptr + 320*232*2, 0, 320*8*2); |
317 | } |
318 | else |
319 | { |
320 | // should really only happen once, on startup.. |
321 | readpng(g_screen_ptr, "skin/background.png", READPNG_BG); |
322 | } |
323 | |
324 | memcpy(menu_bg_buffer, g_screen_ptr, 320*240*2); |
325 | |
326 | // switch to 16bpp |
327 | gp2x_video_changemode_ll_(16); |
328 | gp2x_video_flip_(); |
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329 | } |
330 | |
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331 | void plat_video_menu_begin(void) |
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332 | { |
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333 | memcpy(g_screen_ptr, menu_bg_buffer, 320*240*2); |
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334 | } |
335 | |
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336 | void plat_video_menu_end(void) |
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337 | { |
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338 | gp2x_video_flip_(); |
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339 | } |
340 | |
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341 | void plat_validate_config(void) |
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342 | { |
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343 | // PicoOpt &= ~POPT_EXT_FM; |
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344 | } |
345 | |
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346 | void plat_early_init(void) |
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347 | { |
348 | } |
349 | |
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350 | void plat_init(void) |
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351 | { |
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352 | realloc_screen(); |
353 | memset(g_screen_ptr, 0, g_screen_width * g_screen_height * 2); |
354 | |
355 | // snd |
356 | sndout_oss_init(); |
357 | |
358 | gtk_initf(); |
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359 | } |
360 | |
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361 | void plat_finish(void) |
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362 | { |
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363 | free(g_screen_ptr); |
364 | sndout_oss_exit(); |
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365 | } |
366 | |
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367 | /* nasty */ |
368 | static void do_nothing() |
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369 | { |
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370 | } |
371 | |
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372 | void *gp2x_video_flip = gp2x_video_flip_; |
373 | void *gp2x_video_flip2 = gp2x_video_flip_; |
374 | void *gp2x_video_changemode_ll = gp2x_video_changemode_ll_; |
375 | void *gp2x_video_setpalette = gp2x_video_setpalette_; |
376 | |
377 | void *gp2x_video_RGB_setscaling = do_nothing; |
378 | void *gp2x_video_wait_vsync = do_nothing; |
379 | void *gp2x_set_cpuclk = do_nothing; |
380 | void *set_lcd_custom_rate = do_nothing; |
381 | void *unset_lcd_custom_rate = do_nothing; |
382 | void *set_lcd_gamma = do_nothing; |
383 | void *set_ram_timings = do_nothing; |
384 | void *unset_ram_timings = do_nothing; |
385 | |
386 | /* joy */ |
387 | int gp2x_touchpad_read(int *x, int *y) |
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388 | { |
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389 | return -1; |
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390 | } |
391 | |
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392 | /* misc */ |
393 | void spend_cycles(int c) |
394 | { |
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395 | usleep(c/200); |
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396 | } |
397 | |
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398 | int mp3_get_bitrate(FILE *f, int size) |
399 | { |
400 | return 128; |
401 | } |
402 | |
403 | void mp3_start_play(FILE *f, int pos) |
404 | { |
405 | } |
406 | |
407 | void mp3_update(int *buffer, int length, int stereo) |
408 | { |
409 | } |
410 | |
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411 | /* lprintf */ |
412 | void lprintf(const char *fmt, ...) |
413 | { |
414 | va_list vl; |
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415 | |
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416 | va_start(vl, fmt); |
417 | vprintf(fmt, vl); |
418 | va_end(vl); |
419 | } |
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420 | |