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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 | |
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51 | /* faking GP2X pad */ |
52 | enum { GP2X_UP=0x1, GP2X_LEFT=0x4, GP2X_DOWN=0x10, GP2X_RIGHT=0x40, |
53 | GP2X_START=1<<8, GP2X_SELECT=1<<9, GP2X_L=1<<10, GP2X_R=1<<11, |
54 | GP2X_A=1<<12, GP2X_B=1<<13, GP2X_X=1<<14, GP2X_Y=1<<15, |
55 | GP2X_VOL_UP=1<<23, GP2X_VOL_DOWN=1<<22, GP2X_PUSH=1<<27 }; |
56 | |
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57 | static gint key_press_event (GtkWidget *widget, GdkEventKey *event) |
58 | { |
59 | switch (event->hardware_keycode) |
60 | { |
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61 | case 111: |
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62 | case 0x62: current_keys |= GP2X_UP; break; |
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63 | case 116: |
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64 | case 0x68: current_keys |= GP2X_DOWN; break; |
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65 | case 113: |
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66 | case 0x64: current_keys |= GP2X_LEFT; break; |
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67 | case 114: |
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68 | case 0x66: current_keys |= GP2X_RIGHT; break; |
69 | case 0x24: current_keys |= GP2X_START; break; // enter |
70 | case 0x23: current_keys |= GP2X_SELECT;break; // ] |
71 | case 0x34: current_keys |= GP2X_A; break; // z |
72 | case 0x35: current_keys |= GP2X_X; break; // x |
73 | case 0x36: current_keys |= GP2X_B; break; // c |
74 | case 0x37: current_keys |= GP2X_Y; break; // v |
75 | case 0x27: current_keys |= GP2X_L; break; // s |
76 | case 0x28: current_keys |= GP2X_R; break; // d |
77 | case 0x29: current_keys |= GP2X_PUSH; break; // f |
78 | case 0x18: current_keys |= GP2X_VOL_DOWN;break; // q |
79 | case 0x19: current_keys |= GP2X_VOL_UP;break; // w |
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80 | case 0x2d: log_io_clear(); break; // k |
81 | case 0x2e: log_io_dump(); break; // l |
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82 | case 0x17: { // tab |
83 | extern int PicoReset(void); |
84 | PicoReset(); |
85 | break; |
86 | } |
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87 | } |
88 | |
89 | return 0; |
90 | } |
91 | |
92 | static gint key_release_event (GtkWidget *widget, GdkEventKey *event) |
93 | { |
94 | switch (event->hardware_keycode) |
95 | { |
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96 | case 111: |
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97 | case 0x62: current_keys &= ~GP2X_UP; break; |
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98 | case 116: |
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99 | case 0x68: current_keys &= ~GP2X_DOWN; break; |
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100 | case 113: |
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101 | case 0x64: current_keys &= ~GP2X_LEFT; break; |
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102 | case 114: |
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103 | case 0x66: current_keys &= ~GP2X_RIGHT; break; |
104 | case 0x24: current_keys &= ~GP2X_START; break; // enter |
105 | case 0x23: current_keys &= ~GP2X_SELECT;break; // ] |
106 | case 0x34: current_keys &= ~GP2X_A; break; // z |
107 | case 0x35: current_keys &= ~GP2X_X; break; // x |
108 | case 0x36: current_keys &= ~GP2X_B; break; // c |
109 | case 0x37: current_keys &= ~GP2X_Y; break; // v |
110 | case 0x27: current_keys &= ~GP2X_L; break; // s |
111 | case 0x28: current_keys &= ~GP2X_R; break; // d |
112 | case 0x29: current_keys &= ~GP2X_PUSH; break; // f |
113 | case 0x18: current_keys &= ~GP2X_VOL_DOWN;break; // q |
114 | case 0x19: current_keys &= ~GP2X_VOL_UP;break; // w |
115 | } |
116 | |
117 | return 0; |
118 | } |
119 | |
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120 | static void size_allocate_event(GtkWidget *widget, GtkAllocation *allocation, gpointer user_data) |
121 | { |
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122 | // printf("%dx%d\n", allocation->width, allocation->height); |
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123 | if (scr_w != allocation->width - 2 || scr_h != allocation->height - 2) { |
124 | scr_w = allocation->width - 2; |
125 | scr_h = allocation->height - 2; |
126 | scr_changed = 1; |
127 | } |
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128 | } |
129 | |
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130 | static void *gtk_threadf(void *targ) |
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131 | { |
132 | int argc = 0; |
133 | char *argv[] = { "" }; |
134 | GtkWidget *box; |
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135 | sem_t *sem = targ; |
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136 | |
137 | g_thread_init (NULL); |
138 | gdk_threads_init (); |
139 | gdk_set_locale (); |
140 | gtk_init (&argc, (char ***) &argv); |
141 | |
142 | /* create new window */ |
143 | gtk_items.window = gtk_window_new (GTK_WINDOW_TOPLEVEL); |
144 | g_signal_connect (G_OBJECT (gtk_items.window), "delete_event", |
145 | G_CALLBACK (delete_event), NULL); |
146 | |
147 | g_signal_connect (G_OBJECT (gtk_items.window), "destroy", |
148 | G_CALLBACK (destroy), NULL); |
149 | |
150 | g_signal_connect (G_OBJECT (gtk_items.window), "key_press_event", |
151 | G_CALLBACK (key_press_event), NULL); |
152 | |
153 | g_signal_connect (G_OBJECT (gtk_items.window), "key_release_event", |
154 | G_CALLBACK (key_release_event), NULL); |
155 | |
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156 | g_signal_connect (G_OBJECT (gtk_items.window), "size_allocate", |
157 | G_CALLBACK (size_allocate_event), NULL); |
158 | |
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159 | gtk_container_set_border_width (GTK_CONTAINER (gtk_items.window), 1); |
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160 | gtk_window_set_title ((GtkWindow *) gtk_items.window, verstring); |
161 | |
162 | box = gtk_hbox_new(FALSE, 0); |
163 | gtk_widget_show(box); |
164 | gtk_container_add (GTK_CONTAINER (gtk_items.window), box); |
165 | |
166 | /* live pixmap */ |
167 | gtk_items.pixmap1 = gtk_image_new (); |
168 | gtk_container_add (GTK_CONTAINER (box), gtk_items.pixmap1); |
169 | gtk_widget_show (gtk_items.pixmap1); |
170 | gtk_widget_set_size_request (gtk_items.pixmap1, 320, 240); |
171 | |
172 | gtk_widget_show (gtk_items.window); |
173 | |
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174 | sem_post(sem); |
175 | |
176 | gtk_main(); |
177 | |
178 | printf("linux: gtk thread finishing\n"); |
179 | exit(1); |
180 | |
181 | return NULL; |
182 | } |
183 | |
184 | static void gtk_initf(void) |
185 | { |
186 | pthread_t gtk_thread; |
187 | sem_t sem; |
188 | sem_init(&sem, 0, 0); |
189 | |
190 | pthread_create(>k_thread, NULL, gtk_threadf, &sem); |
191 | pthread_detach(gtk_thread); |
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192 | |
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193 | sem_wait(&sem); |
194 | sem_close(&sem); |
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195 | } |
196 | |
197 | void finalize_image(guchar *pixels, gpointer data) |
198 | { |
199 | free(pixels); |
200 | } |
201 | |
202 | /* --- */ |
203 | |
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204 | static void realloc_screen(void) |
205 | { |
206 | void *old = g_screen_ptr; |
207 | g_screen_width = scr_w; |
208 | g_screen_height = scr_h; |
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209 | g_screen_ptr = calloc(g_screen_width * g_screen_height * 2, 1); |
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210 | free(old); |
211 | scr_changed = 0; |
212 | } |
213 | |
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214 | void gp2x_init(void) |
215 | { |
216 | printf("entering init()\n"); fflush(stdout); |
217 | |
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218 | realloc_screen(); |
219 | memset(g_screen_ptr, 0, g_screen_width * g_screen_height * 2); |
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220 | |
221 | // snd |
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222 | sndout_oss_init(); |
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223 | |
224 | gtk_initf(); |
225 | |
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226 | printf("exitting init()\n"); fflush(stdout); |
227 | } |
228 | |
229 | void gp2x_deinit(void) |
230 | { |
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231 | free(g_screen_ptr); |
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232 | sndout_oss_exit(); |
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233 | } |
234 | |
235 | /* video */ |
236 | void gp2x_video_flip(void) |
237 | { |
238 | GdkPixbuf *pixbuf; |
239 | unsigned char *image; |
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240 | int pixel_count, i; |
241 | |
242 | pixel_count = g_screen_width * g_screen_height; |
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243 | |
244 | gdk_threads_enter(); |
245 | |
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246 | image = malloc(pixel_count * 3); |
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247 | if (image == NULL) |
248 | { |
249 | gdk_threads_leave(); |
250 | return; |
251 | } |
252 | |
253 | if (current_bpp == 8) |
254 | { |
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255 | unsigned char *pixels = g_screen_ptr; |
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256 | int pix; |
257 | |
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258 | for (i = 0; i < pixel_count; i++) |
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259 | { |
260 | pix = current_pal[pixels[i]]; |
261 | image[3 * i + 0] = pix >> 16; |
262 | image[3 * i + 1] = pix >> 8; |
263 | image[3 * i + 2] = pix; |
264 | } |
265 | } |
266 | else |
267 | { |
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268 | unsigned short *pixels = g_screen_ptr; |
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269 | |
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270 | for (i = 0; i < pixel_count; i++) |
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271 | { |
272 | /* in: rrrr rggg gggb bbbb */ |
273 | /* out: rrrr r000 gggg gg00 bbbb b000 */ |
274 | image[3 * i + 0] = (pixels[i] >> 8) & 0xf8; |
275 | image[3 * i + 1] = (pixels[i] >> 3) & 0xfc; |
276 | image[3 * i + 2] = (pixels[i] << 3); |
277 | } |
278 | } |
279 | |
280 | pixbuf = gdk_pixbuf_new_from_data (image, GDK_COLORSPACE_RGB, |
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281 | FALSE, 8, g_screen_width, g_screen_height, |
282 | g_screen_width * 3, finalize_image, NULL); |
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283 | gtk_image_set_from_pixbuf (GTK_IMAGE (gtk_items.pixmap1), pixbuf); |
284 | g_object_unref (pixbuf); |
285 | |
286 | gdk_threads_leave(); |
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287 | |
288 | if (scr_changed) |
289 | realloc_screen(); |
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290 | } |
291 | |
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292 | void gp2x_video_flip2(void) |
293 | { |
294 | gp2x_video_flip(); |
295 | } |
296 | |
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297 | void gp2x_video_changemode(int bpp) |
298 | { |
299 | current_bpp = bpp; |
300 | } |
301 | |
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302 | void gp2x_video_changemode2(int bpp) |
303 | { |
304 | current_bpp = bpp; |
305 | } |
306 | |
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307 | void gp2x_video_setpalette(int *pal, int len) |
308 | { |
309 | memcpy(current_pal, pal, len*4); |
310 | } |
311 | |
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312 | void gp2x_video_flush_cache(void) |
313 | { |
314 | } |
315 | |
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316 | void gp2x_video_RGB_setscaling(int v_offs, int W, int H) |
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317 | { |
318 | } |
319 | |
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320 | void gp2x_memcpy_buffers(int buffers, void *data, int offset, int len) |
321 | { |
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322 | if ((char *)g_screen_ptr + offset != data) |
323 | memcpy((char *)g_screen_ptr + offset, data, len); |
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324 | } |
325 | |
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326 | void gp2x_memcpy_all_buffers(void *data, int offset, int len) |
327 | { |
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328 | memcpy((char *)g_screen_ptr + offset, data, len); |
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329 | } |
330 | |
331 | |
332 | void gp2x_memset_all_buffers(int offset, int byte, int len) |
333 | { |
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334 | memset((char *)g_screen_ptr + offset, byte, len); |
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335 | } |
336 | |
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337 | void gp2x_pd_clone_buffer2(void) |
338 | { |
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339 | memset(g_screen_ptr, 0, g_screen_width * g_screen_height * 2); |
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340 | } |
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341 | |
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342 | /* joy */ |
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343 | int gp2x_touchpad_read(int *x, int *y) |
344 | { |
345 | return -1; |
346 | } |
347 | |
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348 | /* 940 */ |
349 | int crashed_940 = 0; |
350 | void Pause940(int yes) |
351 | { |
352 | } |
353 | |
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354 | void Reset940(int yes, int bank) |
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355 | { |
356 | } |
357 | |
358 | /* faking gp2x cpuctrl.c */ |
359 | void cpuctrl_init(void) |
360 | { |
361 | } |
362 | |
363 | void cpuctrl_deinit(void) |
364 | { |
365 | } |
366 | |
367 | void set_FCLK(unsigned MHZ) |
368 | { |
369 | } |
370 | |
371 | void Disable_940(void) |
372 | { |
373 | } |
374 | |
375 | void gp2x_video_wait_vsync(void) |
376 | { |
377 | } |
378 | |
379 | void set_RAM_Timings(int tRC, int tRAS, int tWR, int tMRD, int tRFC, int tRP, int tRCD) |
380 | { |
381 | } |
382 | |
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383 | void set_gamma(int g100, int A_SNs_curve) |
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384 | { |
385 | } |
386 | |
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387 | void set_LCD_custom_rate(int rate) |
388 | { |
389 | } |
390 | |
391 | void unset_LCD_custom_rate(void) |
392 | { |
393 | } |
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394 | |
395 | /* squidgehack.c */ |
396 | int mmuhack(void) |
397 | { |
398 | return 0; |
399 | } |
400 | |
401 | |
402 | int mmuunhack(void) |
403 | { |
404 | return 0; |
405 | } |
406 | |
407 | |
408 | /* misc */ |
409 | void spend_cycles(int c) |
410 | { |
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411 | usleep(c/200); |
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412 | } |
413 | |
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414 | /* lprintf */ |
415 | void lprintf(const char *fmt, ...) |
416 | { |
417 | va_list vl; |
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418 | |
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419 | va_start(vl, fmt); |
420 | vprintf(fmt, vl); |
421 | va_end(vl); |
422 | } |
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423 | |