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1 | /* faking/emulating gp2x.c by using gtk */ |
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 | |
15 | #include "../gp2x/emu.h" |
16 | #include "../gp2x/gp2x.h" |
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17 | #include "../gp2x/version.h" |
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18 | #include "../common/emu.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 |
30 | char *ext_menu = 0, *ext_state = 0; |
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31 | int mix_32_to_16l_level; |
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32 | |
33 | /* gtk */ |
34 | struct gtk_global_struct |
35 | { |
36 | GtkWidget *window; |
37 | GtkWidget *pixmap1; |
38 | } gtk_items; |
39 | |
40 | |
41 | static gboolean delete_event (GtkWidget *widget, GdkEvent *event, gpointer data) |
42 | { |
43 | return FALSE; |
44 | } |
45 | |
46 | static void destroy (GtkWidget *widget, gpointer data) |
47 | { |
48 | gtk_main_quit (); |
49 | } |
50 | |
51 | static gint key_press_event (GtkWidget *widget, GdkEventKey *event) |
52 | { |
53 | switch (event->hardware_keycode) |
54 | { |
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55 | case 111: |
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56 | case 0x62: current_keys |= GP2X_UP; break; |
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57 | case 116: |
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58 | case 0x68: current_keys |= GP2X_DOWN; break; |
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59 | case 113: |
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60 | case 0x64: current_keys |= GP2X_LEFT; break; |
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61 | case 114: |
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62 | case 0x66: current_keys |= GP2X_RIGHT; break; |
63 | case 0x24: current_keys |= GP2X_START; break; // enter |
64 | case 0x23: current_keys |= GP2X_SELECT;break; // ] |
65 | case 0x34: current_keys |= GP2X_A; break; // z |
66 | case 0x35: current_keys |= GP2X_X; break; // x |
67 | case 0x36: current_keys |= GP2X_B; break; // c |
68 | case 0x37: current_keys |= GP2X_Y; break; // v |
69 | case 0x27: current_keys |= GP2X_L; break; // s |
70 | case 0x28: current_keys |= GP2X_R; break; // d |
71 | case 0x29: current_keys |= GP2X_PUSH; break; // f |
72 | case 0x18: current_keys |= GP2X_VOL_DOWN;break; // q |
73 | case 0x19: current_keys |= GP2X_VOL_UP;break; // w |
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74 | case 0x2d: log_io_clear(); break; // k |
75 | case 0x2e: log_io_dump(); break; // l |
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76 | case 0x17: { // tab |
77 | extern int PicoReset(void); |
78 | PicoReset(); |
79 | break; |
80 | } |
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81 | } |
82 | |
83 | return 0; |
84 | } |
85 | |
86 | static gint key_release_event (GtkWidget *widget, GdkEventKey *event) |
87 | { |
88 | switch (event->hardware_keycode) |
89 | { |
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90 | case 111: |
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91 | case 0x62: current_keys &= ~GP2X_UP; break; |
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92 | case 116: |
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93 | case 0x68: current_keys &= ~GP2X_DOWN; break; |
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94 | case 113: |
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95 | case 0x64: current_keys &= ~GP2X_LEFT; break; |
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96 | case 114: |
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97 | case 0x66: current_keys &= ~GP2X_RIGHT; break; |
98 | case 0x24: current_keys &= ~GP2X_START; break; // enter |
99 | case 0x23: current_keys &= ~GP2X_SELECT;break; // ] |
100 | case 0x34: current_keys &= ~GP2X_A; break; // z |
101 | case 0x35: current_keys &= ~GP2X_X; break; // x |
102 | case 0x36: current_keys &= ~GP2X_B; break; // c |
103 | case 0x37: current_keys &= ~GP2X_Y; break; // v |
104 | case 0x27: current_keys &= ~GP2X_L; break; // s |
105 | case 0x28: current_keys &= ~GP2X_R; break; // d |
106 | case 0x29: current_keys &= ~GP2X_PUSH; break; // f |
107 | case 0x18: current_keys &= ~GP2X_VOL_DOWN;break; // q |
108 | case 0x19: current_keys &= ~GP2X_VOL_UP;break; // w |
109 | } |
110 | |
111 | return 0; |
112 | } |
113 | |
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114 | static void size_allocate_event(GtkWidget *widget, GtkAllocation *allocation, gpointer user_data) |
115 | { |
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116 | // printf("%dx%d\n", allocation->width, allocation->height); |
117 | scr_w = allocation->width - 2; |
118 | scr_h = allocation->height - 2; |
119 | scr_changed = 1; |
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120 | } |
121 | |
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122 | static void *gtk_threadf(void *targ) |
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123 | { |
124 | int argc = 0; |
125 | char *argv[] = { "" }; |
126 | GtkWidget *box; |
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127 | sem_t *sem = targ; |
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128 | |
129 | g_thread_init (NULL); |
130 | gdk_threads_init (); |
131 | gdk_set_locale (); |
132 | gtk_init (&argc, (char ***) &argv); |
133 | |
134 | /* create new window */ |
135 | gtk_items.window = gtk_window_new (GTK_WINDOW_TOPLEVEL); |
136 | g_signal_connect (G_OBJECT (gtk_items.window), "delete_event", |
137 | G_CALLBACK (delete_event), NULL); |
138 | |
139 | g_signal_connect (G_OBJECT (gtk_items.window), "destroy", |
140 | G_CALLBACK (destroy), NULL); |
141 | |
142 | g_signal_connect (G_OBJECT (gtk_items.window), "key_press_event", |
143 | G_CALLBACK (key_press_event), NULL); |
144 | |
145 | g_signal_connect (G_OBJECT (gtk_items.window), "key_release_event", |
146 | G_CALLBACK (key_release_event), NULL); |
147 | |
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148 | g_signal_connect (G_OBJECT (gtk_items.window), "size_allocate", |
149 | G_CALLBACK (size_allocate_event), NULL); |
150 | |
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151 | gtk_container_set_border_width (GTK_CONTAINER (gtk_items.window), 1); |
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152 | gtk_window_set_title ((GtkWindow *) gtk_items.window, verstring); |
153 | |
154 | box = gtk_hbox_new(FALSE, 0); |
155 | gtk_widget_show(box); |
156 | gtk_container_add (GTK_CONTAINER (gtk_items.window), box); |
157 | |
158 | /* live pixmap */ |
159 | gtk_items.pixmap1 = gtk_image_new (); |
160 | gtk_container_add (GTK_CONTAINER (box), gtk_items.pixmap1); |
161 | gtk_widget_show (gtk_items.pixmap1); |
162 | gtk_widget_set_size_request (gtk_items.pixmap1, 320, 240); |
163 | |
164 | gtk_widget_show (gtk_items.window); |
165 | |
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166 | sem_post(sem); |
167 | |
168 | gtk_main(); |
169 | |
170 | printf("linux: gtk thread finishing\n"); |
171 | exit(1); |
172 | |
173 | return NULL; |
174 | } |
175 | |
176 | static void gtk_initf(void) |
177 | { |
178 | pthread_t gtk_thread; |
179 | sem_t sem; |
180 | sem_init(&sem, 0, 0); |
181 | |
182 | pthread_create(>k_thread, NULL, gtk_threadf, &sem); |
183 | pthread_detach(gtk_thread); |
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184 | |
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185 | sem_wait(&sem); |
186 | sem_close(&sem); |
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187 | } |
188 | |
189 | void finalize_image(guchar *pixels, gpointer data) |
190 | { |
191 | free(pixels); |
192 | } |
193 | |
194 | /* --- */ |
195 | |
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196 | static void realloc_screen(void) |
197 | { |
198 | void *old = g_screen_ptr; |
199 | g_screen_width = scr_w; |
200 | g_screen_height = scr_h; |
201 | g_screen_ptr = malloc(g_screen_width * g_screen_height * 2); |
202 | free(old); |
203 | scr_changed = 0; |
204 | } |
205 | |
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206 | void gp2x_init(void) |
207 | { |
208 | printf("entering init()\n"); fflush(stdout); |
209 | |
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210 | realloc_screen(); |
211 | memset(g_screen_ptr, 0, g_screen_width * g_screen_height * 2); |
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212 | |
213 | // snd |
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214 | sndout_oss_init(); |
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215 | |
216 | gtk_initf(); |
217 | |
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218 | printf("exitting init()\n"); fflush(stdout); |
219 | } |
220 | |
221 | void gp2x_deinit(void) |
222 | { |
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223 | free(g_screen_ptr); |
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224 | sndout_oss_exit(); |
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225 | } |
226 | |
227 | /* video */ |
228 | void gp2x_video_flip(void) |
229 | { |
230 | GdkPixbuf *pixbuf; |
231 | unsigned char *image; |
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232 | int pixel_count, i; |
233 | |
234 | pixel_count = g_screen_width * g_screen_height; |
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235 | |
236 | gdk_threads_enter(); |
237 | |
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238 | image = malloc(pixel_count * 3); |
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239 | if (image == NULL) |
240 | { |
241 | gdk_threads_leave(); |
242 | return; |
243 | } |
244 | |
245 | if (current_bpp == 8) |
246 | { |
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247 | unsigned char *pixels = g_screen_ptr; |
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248 | int pix; |
249 | |
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250 | for (i = 0; i < pixel_count; i++) |
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251 | { |
252 | pix = current_pal[pixels[i]]; |
253 | image[3 * i + 0] = pix >> 16; |
254 | image[3 * i + 1] = pix >> 8; |
255 | image[3 * i + 2] = pix; |
256 | } |
257 | } |
258 | else |
259 | { |
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260 | unsigned short *pixels = g_screen_ptr; |
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261 | |
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262 | for (i = 0; i < pixel_count; i++) |
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263 | { |
264 | /* in: rrrr rggg gggb bbbb */ |
265 | /* out: rrrr r000 gggg gg00 bbbb b000 */ |
266 | image[3 * i + 0] = (pixels[i] >> 8) & 0xf8; |
267 | image[3 * i + 1] = (pixels[i] >> 3) & 0xfc; |
268 | image[3 * i + 2] = (pixels[i] << 3); |
269 | } |
270 | } |
271 | |
272 | pixbuf = gdk_pixbuf_new_from_data (image, GDK_COLORSPACE_RGB, |
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273 | FALSE, 8, g_screen_width, g_screen_height, |
274 | g_screen_width * 3, finalize_image, NULL); |
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275 | gtk_image_set_from_pixbuf (GTK_IMAGE (gtk_items.pixmap1), pixbuf); |
276 | g_object_unref (pixbuf); |
277 | |
278 | gdk_threads_leave(); |
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279 | |
280 | if (scr_changed) |
281 | realloc_screen(); |
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282 | } |
283 | |
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284 | void gp2x_video_flip2(void) |
285 | { |
286 | gp2x_video_flip(); |
287 | } |
288 | |
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289 | void gp2x_video_changemode(int bpp) |
290 | { |
291 | current_bpp = bpp; |
292 | } |
293 | |
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294 | void gp2x_video_changemode2(int bpp) |
295 | { |
296 | current_bpp = bpp; |
297 | } |
298 | |
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299 | void gp2x_video_setpalette(int *pal, int len) |
300 | { |
301 | memcpy(current_pal, pal, len*4); |
302 | } |
303 | |
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304 | void gp2x_video_flush_cache(void) |
305 | { |
306 | } |
307 | |
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308 | void gp2x_video_RGB_setscaling(int v_offs, int W, int H) |
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309 | { |
310 | } |
311 | |
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312 | void gp2x_memcpy_buffers(int buffers, void *data, int offset, int len) |
313 | { |
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314 | if ((char *)g_screen_ptr + offset != data) |
315 | memcpy((char *)g_screen_ptr + offset, data, len); |
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316 | } |
317 | |
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318 | void gp2x_memcpy_all_buffers(void *data, int offset, int len) |
319 | { |
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320 | memcpy((char *)g_screen_ptr + offset, data, len); |
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321 | } |
322 | |
323 | |
324 | void gp2x_memset_all_buffers(int offset, int byte, int len) |
325 | { |
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326 | memset((char *)g_screen_ptr + offset, byte, len); |
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327 | } |
328 | |
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329 | void gp2x_pd_clone_buffer2(void) |
330 | { |
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331 | memset(g_screen_ptr, 0, g_screen_width * g_screen_height * 2); |
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332 | } |
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333 | |
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334 | /* joy */ |
335 | unsigned long gp2x_joystick_read(int allow_usb_joy) |
336 | { |
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337 | return current_keys; |
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338 | } |
339 | |
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340 | int gp2x_touchpad_read(int *x, int *y) |
341 | { |
342 | return -1; |
343 | } |
344 | |
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345 | /* 940 */ |
346 | int crashed_940 = 0; |
347 | void Pause940(int yes) |
348 | { |
349 | } |
350 | |
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351 | void Reset940(int yes, int bank) |
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352 | { |
353 | } |
354 | |
355 | /* faking gp2x cpuctrl.c */ |
356 | void cpuctrl_init(void) |
357 | { |
358 | } |
359 | |
360 | void cpuctrl_deinit(void) |
361 | { |
362 | } |
363 | |
364 | void set_FCLK(unsigned MHZ) |
365 | { |
366 | } |
367 | |
368 | void Disable_940(void) |
369 | { |
370 | } |
371 | |
372 | void gp2x_video_wait_vsync(void) |
373 | { |
374 | } |
375 | |
376 | void set_RAM_Timings(int tRC, int tRAS, int tWR, int tMRD, int tRFC, int tRP, int tRCD) |
377 | { |
378 | } |
379 | |
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380 | void set_gamma(int g100, int A_SNs_curve) |
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381 | { |
382 | } |
383 | |
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384 | void set_LCD_custom_rate(int rate) |
385 | { |
386 | } |
387 | |
388 | void unset_LCD_custom_rate(void) |
389 | { |
390 | } |
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391 | |
392 | /* squidgehack.c */ |
393 | int mmuhack(void) |
394 | { |
395 | return 0; |
396 | } |
397 | |
398 | |
399 | int mmuunhack(void) |
400 | { |
401 | return 0; |
402 | } |
403 | |
404 | |
405 | /* misc */ |
406 | void spend_cycles(int c) |
407 | { |
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408 | usleep(c/200); |
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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 | |