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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 | void *gp2x_screens[4]; |
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29 | |
30 | // dummies |
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31 | int mix_32_to_16l_level; |
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32 | int crashed_940 = 0; |
33 | int default_cpu_clock = 123; |
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34 | void *gp2x_memregs = NULL; |
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35 | |
36 | /* gtk */ |
37 | struct gtk_global_struct |
38 | { |
39 | GtkWidget *window; |
40 | GtkWidget *pixmap1; |
41 | } gtk_items; |
42 | |
43 | |
44 | static gboolean delete_event (GtkWidget *widget, GdkEvent *event, gpointer data) |
45 | { |
46 | return FALSE; |
47 | } |
48 | |
49 | static void destroy (GtkWidget *widget, gpointer data) |
50 | { |
51 | gtk_main_quit (); |
52 | } |
53 | |
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54 | /* faking GP2X pad */ |
55 | enum { GP2X_UP=0x1, GP2X_LEFT=0x4, GP2X_DOWN=0x10, GP2X_RIGHT=0x40, |
56 | GP2X_START=1<<8, GP2X_SELECT=1<<9, GP2X_L=1<<10, GP2X_R=1<<11, |
57 | GP2X_A=1<<12, GP2X_B=1<<13, GP2X_X=1<<14, GP2X_Y=1<<15, |
58 | GP2X_VOL_UP=1<<23, GP2X_VOL_DOWN=1<<22, GP2X_PUSH=1<<27 }; |
59 | |
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60 | static gint key_press_event (GtkWidget *widget, GdkEventKey *event) |
61 | { |
62 | switch (event->hardware_keycode) |
63 | { |
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64 | case 111: |
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65 | case 0x62: current_keys |= GP2X_UP; break; |
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66 | case 116: |
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67 | case 0x68: current_keys |= GP2X_DOWN; break; |
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68 | case 113: |
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69 | case 0x64: current_keys |= GP2X_LEFT; break; |
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70 | case 114: |
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71 | case 0x66: current_keys |= GP2X_RIGHT; break; |
72 | case 0x24: current_keys |= GP2X_START; break; // enter |
73 | case 0x23: current_keys |= GP2X_SELECT;break; // ] |
74 | case 0x34: current_keys |= GP2X_A; break; // z |
75 | case 0x35: current_keys |= GP2X_X; break; // x |
76 | case 0x36: current_keys |= GP2X_B; break; // c |
77 | case 0x37: current_keys |= GP2X_Y; break; // v |
78 | case 0x27: current_keys |= GP2X_L; break; // s |
79 | case 0x28: current_keys |= GP2X_R; break; // d |
80 | case 0x29: current_keys |= GP2X_PUSH; break; // f |
81 | case 0x18: current_keys |= GP2X_VOL_DOWN;break; // q |
82 | case 0x19: current_keys |= GP2X_VOL_UP;break; // w |
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83 | case 0x2d: log_io_clear(); break; // k |
84 | case 0x2e: log_io_dump(); break; // l |
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85 | case 0x17: { // tab |
86 | extern int PicoReset(void); |
87 | PicoReset(); |
88 | break; |
89 | } |
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90 | } |
91 | |
92 | return 0; |
93 | } |
94 | |
95 | static gint key_release_event (GtkWidget *widget, GdkEventKey *event) |
96 | { |
97 | switch (event->hardware_keycode) |
98 | { |
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99 | case 111: |
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100 | case 0x62: current_keys &= ~GP2X_UP; break; |
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101 | case 116: |
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102 | case 0x68: current_keys &= ~GP2X_DOWN; break; |
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103 | case 113: |
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104 | case 0x64: current_keys &= ~GP2X_LEFT; break; |
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105 | case 114: |
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106 | case 0x66: current_keys &= ~GP2X_RIGHT; break; |
107 | case 0x24: current_keys &= ~GP2X_START; break; // enter |
108 | case 0x23: current_keys &= ~GP2X_SELECT;break; // ] |
109 | case 0x34: current_keys &= ~GP2X_A; break; // z |
110 | case 0x35: current_keys &= ~GP2X_X; break; // x |
111 | case 0x36: current_keys &= ~GP2X_B; break; // c |
112 | case 0x37: current_keys &= ~GP2X_Y; break; // v |
113 | case 0x27: current_keys &= ~GP2X_L; break; // s |
114 | case 0x28: current_keys &= ~GP2X_R; break; // d |
115 | case 0x29: current_keys &= ~GP2X_PUSH; break; // f |
116 | case 0x18: current_keys &= ~GP2X_VOL_DOWN;break; // q |
117 | case 0x19: current_keys &= ~GP2X_VOL_UP;break; // w |
118 | } |
119 | |
120 | return 0; |
121 | } |
122 | |
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123 | static void size_allocate_event(GtkWidget *widget, GtkAllocation *allocation, gpointer user_data) |
124 | { |
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125 | // printf("%dx%d\n", allocation->width, allocation->height); |
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126 | if (scr_w != allocation->width - 2 || scr_h != allocation->height - 2) { |
127 | scr_w = allocation->width - 2; |
128 | scr_h = allocation->height - 2; |
129 | scr_changed = 1; |
130 | } |
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131 | } |
132 | |
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133 | static void *gtk_threadf(void *targ) |
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134 | { |
135 | int argc = 0; |
136 | char *argv[] = { "" }; |
137 | GtkWidget *box; |
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138 | sem_t *sem = targ; |
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139 | |
140 | g_thread_init (NULL); |
141 | gdk_threads_init (); |
142 | gdk_set_locale (); |
143 | gtk_init (&argc, (char ***) &argv); |
144 | |
145 | /* create new window */ |
146 | gtk_items.window = gtk_window_new (GTK_WINDOW_TOPLEVEL); |
147 | g_signal_connect (G_OBJECT (gtk_items.window), "delete_event", |
148 | G_CALLBACK (delete_event), NULL); |
149 | |
150 | g_signal_connect (G_OBJECT (gtk_items.window), "destroy", |
151 | G_CALLBACK (destroy), NULL); |
152 | |
153 | g_signal_connect (G_OBJECT (gtk_items.window), "key_press_event", |
154 | G_CALLBACK (key_press_event), NULL); |
155 | |
156 | g_signal_connect (G_OBJECT (gtk_items.window), "key_release_event", |
157 | G_CALLBACK (key_release_event), NULL); |
158 | |
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159 | g_signal_connect (G_OBJECT (gtk_items.window), "size_allocate", |
160 | G_CALLBACK (size_allocate_event), NULL); |
161 | |
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162 | gtk_container_set_border_width (GTK_CONTAINER (gtk_items.window), 1); |
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163 | gtk_window_set_title ((GtkWindow *) gtk_items.window, verstring); |
164 | |
165 | box = gtk_hbox_new(FALSE, 0); |
166 | gtk_widget_show(box); |
167 | gtk_container_add (GTK_CONTAINER (gtk_items.window), box); |
168 | |
169 | /* live pixmap */ |
170 | gtk_items.pixmap1 = gtk_image_new (); |
171 | gtk_container_add (GTK_CONTAINER (box), gtk_items.pixmap1); |
172 | gtk_widget_show (gtk_items.pixmap1); |
173 | gtk_widget_set_size_request (gtk_items.pixmap1, 320, 240); |
174 | |
175 | gtk_widget_show (gtk_items.window); |
176 | |
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177 | sem_post(sem); |
178 | |
179 | gtk_main(); |
180 | |
181 | printf("linux: gtk thread finishing\n"); |
182 | exit(1); |
183 | |
184 | return NULL; |
185 | } |
186 | |
187 | static void gtk_initf(void) |
188 | { |
189 | pthread_t gtk_thread; |
190 | sem_t sem; |
191 | sem_init(&sem, 0, 0); |
192 | |
193 | pthread_create(>k_thread, NULL, gtk_threadf, &sem); |
194 | pthread_detach(gtk_thread); |
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195 | |
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196 | sem_wait(&sem); |
197 | sem_close(&sem); |
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198 | } |
199 | |
200 | void finalize_image(guchar *pixels, gpointer data) |
201 | { |
202 | free(pixels); |
203 | } |
204 | |
205 | /* --- */ |
206 | |
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207 | static void realloc_screen(void) |
208 | { |
209 | void *old = g_screen_ptr; |
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210 | int i; |
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211 | g_screen_width = scr_w; |
212 | g_screen_height = scr_h; |
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213 | g_screen_ptr = calloc(g_screen_width * g_screen_height * 2, 1); |
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214 | free(old); |
215 | scr_changed = 0; |
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216 | |
217 | for (i = 0; i < 4; i++) |
218 | gp2x_screens[i] = g_screen_ptr; |
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219 | } |
220 | |
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221 | /* gp2x/emu.c stuff, most to be rm'd */ |
222 | static void gp2x_video_flip_(void) |
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223 | { |
224 | GdkPixbuf *pixbuf; |
225 | unsigned char *image; |
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226 | int pixel_count, i; |
227 | |
228 | pixel_count = g_screen_width * g_screen_height; |
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229 | |
230 | gdk_threads_enter(); |
231 | |
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232 | image = malloc(pixel_count * 3); |
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233 | if (image == NULL) |
234 | { |
235 | gdk_threads_leave(); |
236 | return; |
237 | } |
238 | |
239 | if (current_bpp == 8) |
240 | { |
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241 | unsigned char *pixels = g_screen_ptr; |
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242 | int pix; |
243 | |
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244 | for (i = 0; i < pixel_count; i++) |
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245 | { |
246 | pix = current_pal[pixels[i]]; |
247 | image[3 * i + 0] = pix >> 16; |
248 | image[3 * i + 1] = pix >> 8; |
249 | image[3 * i + 2] = pix; |
250 | } |
251 | } |
252 | else |
253 | { |
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254 | unsigned short *pixels = g_screen_ptr; |
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255 | |
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256 | for (i = 0; i < pixel_count; i++) |
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257 | { |
258 | /* in: rrrr rggg gggb bbbb */ |
259 | /* out: rrrr r000 gggg gg00 bbbb b000 */ |
260 | image[3 * i + 0] = (pixels[i] >> 8) & 0xf8; |
261 | image[3 * i + 1] = (pixels[i] >> 3) & 0xfc; |
262 | image[3 * i + 2] = (pixels[i] << 3); |
263 | } |
264 | } |
265 | |
266 | pixbuf = gdk_pixbuf_new_from_data (image, GDK_COLORSPACE_RGB, |
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267 | FALSE, 8, g_screen_width, g_screen_height, |
268 | g_screen_width * 3, finalize_image, NULL); |
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269 | gtk_image_set_from_pixbuf (GTK_IMAGE (gtk_items.pixmap1), pixbuf); |
270 | g_object_unref (pixbuf); |
271 | |
272 | gdk_threads_leave(); |
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273 | |
274 | if (scr_changed) |
275 | realloc_screen(); |
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276 | } |
277 | |
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278 | static void gp2x_video_changemode_ll_(int bpp) |
279 | { |
280 | current_bpp = bpp; |
281 | } |
282 | |
283 | static void gp2x_video_setpalette_(int *pal, int len) |
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284 | { |
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285 | memcpy(current_pal, pal, len*4); |
286 | } |
287 | |
288 | void gp2x_memcpy_all_buffers(void *data, int offset, int len) |
289 | { |
290 | } |
291 | |
292 | void gp2x_memset_all_buffers(int offset, int byte, int len) |
293 | { |
294 | memset((char *)g_screen_ptr + offset, byte, len); |
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295 | } |
296 | |
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297 | void gp2x_video_changemode(int bpp) |
298 | { |
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299 | gp2x_video_changemode_ll_(bpp); |
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300 | } |
301 | |
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302 | void gp2x_make_fb_bufferable(int yes) |
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303 | { |
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304 | } |
305 | |
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306 | int soc_detect(void) |
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307 | { |
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308 | return 0; |
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309 | } |
310 | |
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311 | /* plat */ |
312 | static char menu_bg_buffer[320*240*2]; |
313 | char cpu_clk_name[16] = "GP2X CPU clocks"; |
314 | |
315 | void plat_video_menu_enter(int is_rom_loaded) |
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316 | { |
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317 | if (is_rom_loaded) |
318 | { |
319 | // darken the active framebuffer |
320 | memset(g_screen_ptr, 0, 320*8*2); |
321 | menu_darken_bg((char *)g_screen_ptr + 320*8*2, 320*224, 1); |
322 | memset((char *)g_screen_ptr + 320*232*2, 0, 320*8*2); |
323 | } |
324 | else |
325 | { |
45deb409 |
326 | char buff[256]; |
327 | |
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328 | // should really only happen once, on startup.. |
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329 | emu_make_path(buff, "skin/background.png", sizeof(buff)); |
330 | if (readpng(g_screen_ptr, buff, READPNG_BG) < 0) |
331 | memset(g_screen_ptr, 0, 320*240*2); |
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332 | } |
333 | |
334 | memcpy(menu_bg_buffer, g_screen_ptr, 320*240*2); |
335 | |
336 | // switch to 16bpp |
337 | gp2x_video_changemode_ll_(16); |
338 | gp2x_video_flip_(); |
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339 | } |
340 | |
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341 | void plat_video_menu_begin(void) |
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342 | { |
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343 | memcpy(g_screen_ptr, menu_bg_buffer, 320*240*2); |
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344 | } |
345 | |
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346 | void plat_video_menu_end(void) |
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347 | { |
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348 | gp2x_video_flip_(); |
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349 | } |
350 | |
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351 | void plat_validate_config(void) |
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352 | { |
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353 | // PicoOpt &= ~POPT_EXT_FM; |
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354 | } |
355 | |
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356 | void plat_early_init(void) |
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357 | { |
358 | } |
359 | |
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360 | void plat_init(void) |
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361 | { |
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362 | realloc_screen(); |
363 | memset(g_screen_ptr, 0, g_screen_width * g_screen_height * 2); |
364 | |
365 | // snd |
366 | sndout_oss_init(); |
367 | |
368 | gtk_initf(); |
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369 | } |
370 | |
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371 | void plat_finish(void) |
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372 | { |
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373 | free(g_screen_ptr); |
374 | sndout_oss_exit(); |
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375 | } |
376 | |
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377 | /* nasty */ |
378 | static void do_nothing() |
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379 | { |
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380 | } |
381 | |
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382 | void *gp2x_video_flip = gp2x_video_flip_; |
383 | void *gp2x_video_flip2 = gp2x_video_flip_; |
384 | void *gp2x_video_changemode_ll = gp2x_video_changemode_ll_; |
385 | void *gp2x_video_setpalette = gp2x_video_setpalette_; |
386 | |
387 | void *gp2x_video_RGB_setscaling = do_nothing; |
388 | void *gp2x_video_wait_vsync = do_nothing; |
389 | void *gp2x_set_cpuclk = do_nothing; |
390 | void *set_lcd_custom_rate = do_nothing; |
391 | void *unset_lcd_custom_rate = do_nothing; |
392 | void *set_lcd_gamma = do_nothing; |
393 | void *set_ram_timings = do_nothing; |
394 | void *unset_ram_timings = do_nothing; |
395 | |
396 | /* joy */ |
397 | int gp2x_touchpad_read(int *x, int *y) |
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398 | { |
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399 | return -1; |
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400 | } |
401 | |
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402 | /* misc */ |
403 | void spend_cycles(int c) |
404 | { |
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405 | usleep(c/200); |
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406 | } |
407 | |
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408 | int mp3_get_bitrate(FILE *f, int size) |
409 | { |
410 | return 128; |
411 | } |
412 | |
413 | void mp3_start_play(FILE *f, int pos) |
414 | { |
415 | } |
416 | |
417 | void mp3_update(int *buffer, int length, int stereo) |
418 | { |
419 | } |
420 | |
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421 | /* lprintf */ |
422 | void lprintf(const char *fmt, ...) |
423 | { |
424 | va_list vl; |
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425 | |
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426 | va_start(vl, fmt); |
427 | vprintf(fmt, vl); |
428 | va_end(vl); |
429 | } |
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430 | |