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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; |
217d08bc |
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); |
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117 | if (scr_w != allocation->width - 2 || scr_h != allocation->height - 2) { |
118 | scr_w = allocation->width - 2; |
119 | scr_h = allocation->height - 2; |
120 | scr_changed = 1; |
121 | } |
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122 | } |
123 | |
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124 | static void *gtk_threadf(void *targ) |
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125 | { |
126 | int argc = 0; |
127 | char *argv[] = { "" }; |
128 | GtkWidget *box; |
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129 | sem_t *sem = targ; |
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130 | |
131 | g_thread_init (NULL); |
132 | gdk_threads_init (); |
133 | gdk_set_locale (); |
134 | gtk_init (&argc, (char ***) &argv); |
135 | |
136 | /* create new window */ |
137 | gtk_items.window = gtk_window_new (GTK_WINDOW_TOPLEVEL); |
138 | g_signal_connect (G_OBJECT (gtk_items.window), "delete_event", |
139 | G_CALLBACK (delete_event), NULL); |
140 | |
141 | g_signal_connect (G_OBJECT (gtk_items.window), "destroy", |
142 | G_CALLBACK (destroy), NULL); |
143 | |
144 | g_signal_connect (G_OBJECT (gtk_items.window), "key_press_event", |
145 | G_CALLBACK (key_press_event), NULL); |
146 | |
147 | g_signal_connect (G_OBJECT (gtk_items.window), "key_release_event", |
148 | G_CALLBACK (key_release_event), NULL); |
149 | |
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150 | g_signal_connect (G_OBJECT (gtk_items.window), "size_allocate", |
151 | G_CALLBACK (size_allocate_event), NULL); |
152 | |
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153 | gtk_container_set_border_width (GTK_CONTAINER (gtk_items.window), 1); |
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154 | gtk_window_set_title ((GtkWindow *) gtk_items.window, verstring); |
155 | |
156 | box = gtk_hbox_new(FALSE, 0); |
157 | gtk_widget_show(box); |
158 | gtk_container_add (GTK_CONTAINER (gtk_items.window), box); |
159 | |
160 | /* live pixmap */ |
161 | gtk_items.pixmap1 = gtk_image_new (); |
162 | gtk_container_add (GTK_CONTAINER (box), gtk_items.pixmap1); |
163 | gtk_widget_show (gtk_items.pixmap1); |
164 | gtk_widget_set_size_request (gtk_items.pixmap1, 320, 240); |
165 | |
166 | gtk_widget_show (gtk_items.window); |
167 | |
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168 | sem_post(sem); |
169 | |
170 | gtk_main(); |
171 | |
172 | printf("linux: gtk thread finishing\n"); |
173 | exit(1); |
174 | |
175 | return NULL; |
176 | } |
177 | |
178 | static void gtk_initf(void) |
179 | { |
180 | pthread_t gtk_thread; |
181 | sem_t sem; |
182 | sem_init(&sem, 0, 0); |
183 | |
184 | pthread_create(>k_thread, NULL, gtk_threadf, &sem); |
185 | pthread_detach(gtk_thread); |
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186 | |
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187 | sem_wait(&sem); |
188 | sem_close(&sem); |
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189 | } |
190 | |
191 | void finalize_image(guchar *pixels, gpointer data) |
192 | { |
193 | free(pixels); |
194 | } |
195 | |
196 | /* --- */ |
197 | |
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198 | static void realloc_screen(void) |
199 | { |
200 | void *old = g_screen_ptr; |
201 | g_screen_width = scr_w; |
202 | g_screen_height = scr_h; |
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203 | g_screen_ptr = calloc(g_screen_width * g_screen_height * 2, 1); |
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204 | free(old); |
205 | scr_changed = 0; |
206 | } |
207 | |
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208 | void gp2x_init(void) |
209 | { |
210 | printf("entering init()\n"); fflush(stdout); |
211 | |
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212 | realloc_screen(); |
213 | memset(g_screen_ptr, 0, g_screen_width * g_screen_height * 2); |
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214 | |
215 | // snd |
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216 | sndout_oss_init(); |
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217 | |
218 | gtk_initf(); |
219 | |
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220 | printf("exitting init()\n"); fflush(stdout); |
221 | } |
222 | |
223 | void gp2x_deinit(void) |
224 | { |
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225 | free(g_screen_ptr); |
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226 | sndout_oss_exit(); |
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227 | } |
228 | |
229 | /* video */ |
230 | void gp2x_video_flip(void) |
231 | { |
232 | GdkPixbuf *pixbuf; |
233 | unsigned char *image; |
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234 | int pixel_count, i; |
235 | |
236 | pixel_count = g_screen_width * g_screen_height; |
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237 | |
238 | gdk_threads_enter(); |
239 | |
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240 | image = malloc(pixel_count * 3); |
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241 | if (image == NULL) |
242 | { |
243 | gdk_threads_leave(); |
244 | return; |
245 | } |
246 | |
247 | if (current_bpp == 8) |
248 | { |
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249 | unsigned char *pixels = g_screen_ptr; |
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250 | int pix; |
251 | |
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252 | for (i = 0; i < pixel_count; i++) |
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253 | { |
254 | pix = current_pal[pixels[i]]; |
255 | image[3 * i + 0] = pix >> 16; |
256 | image[3 * i + 1] = pix >> 8; |
257 | image[3 * i + 2] = pix; |
258 | } |
259 | } |
260 | else |
261 | { |
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262 | unsigned short *pixels = g_screen_ptr; |
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263 | |
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264 | for (i = 0; i < pixel_count; i++) |
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265 | { |
266 | /* in: rrrr rggg gggb bbbb */ |
267 | /* out: rrrr r000 gggg gg00 bbbb b000 */ |
268 | image[3 * i + 0] = (pixels[i] >> 8) & 0xf8; |
269 | image[3 * i + 1] = (pixels[i] >> 3) & 0xfc; |
270 | image[3 * i + 2] = (pixels[i] << 3); |
271 | } |
272 | } |
273 | |
274 | pixbuf = gdk_pixbuf_new_from_data (image, GDK_COLORSPACE_RGB, |
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275 | FALSE, 8, g_screen_width, g_screen_height, |
276 | g_screen_width * 3, finalize_image, NULL); |
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277 | gtk_image_set_from_pixbuf (GTK_IMAGE (gtk_items.pixmap1), pixbuf); |
278 | g_object_unref (pixbuf); |
279 | |
280 | gdk_threads_leave(); |
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281 | |
282 | if (scr_changed) |
283 | realloc_screen(); |
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284 | } |
285 | |
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286 | void gp2x_video_flip2(void) |
287 | { |
288 | gp2x_video_flip(); |
289 | } |
290 | |
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291 | void gp2x_video_changemode(int bpp) |
292 | { |
293 | current_bpp = bpp; |
294 | } |
295 | |
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296 | void gp2x_video_changemode2(int bpp) |
297 | { |
298 | current_bpp = bpp; |
299 | } |
300 | |
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301 | void gp2x_video_setpalette(int *pal, int len) |
302 | { |
303 | memcpy(current_pal, pal, len*4); |
304 | } |
305 | |
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306 | void gp2x_video_flush_cache(void) |
307 | { |
308 | } |
309 | |
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310 | void gp2x_video_RGB_setscaling(int v_offs, int W, int H) |
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311 | { |
312 | } |
313 | |
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314 | void gp2x_memcpy_buffers(int buffers, void *data, int offset, int len) |
315 | { |
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316 | if ((char *)g_screen_ptr + offset != data) |
317 | memcpy((char *)g_screen_ptr + offset, data, len); |
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318 | } |
319 | |
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320 | void gp2x_memcpy_all_buffers(void *data, int offset, int len) |
321 | { |
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322 | memcpy((char *)g_screen_ptr + offset, data, len); |
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323 | } |
324 | |
325 | |
326 | void gp2x_memset_all_buffers(int offset, int byte, int len) |
327 | { |
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328 | memset((char *)g_screen_ptr + offset, byte, len); |
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329 | } |
330 | |
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331 | void gp2x_pd_clone_buffer2(void) |
332 | { |
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333 | memset(g_screen_ptr, 0, g_screen_width * g_screen_height * 2); |
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334 | } |
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335 | |
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336 | /* joy */ |
337 | unsigned long gp2x_joystick_read(int allow_usb_joy) |
338 | { |
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339 | return current_keys; |
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340 | } |
341 | |
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342 | int gp2x_touchpad_read(int *x, int *y) |
343 | { |
344 | return -1; |
345 | } |
346 | |
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347 | /* 940 */ |
348 | int crashed_940 = 0; |
349 | void Pause940(int yes) |
350 | { |
351 | } |
352 | |
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353 | void Reset940(int yes, int bank) |
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354 | { |
355 | } |
356 | |
357 | /* faking gp2x cpuctrl.c */ |
358 | void cpuctrl_init(void) |
359 | { |
360 | } |
361 | |
362 | void cpuctrl_deinit(void) |
363 | { |
364 | } |
365 | |
366 | void set_FCLK(unsigned MHZ) |
367 | { |
368 | } |
369 | |
370 | void Disable_940(void) |
371 | { |
372 | } |
373 | |
374 | void gp2x_video_wait_vsync(void) |
375 | { |
376 | } |
377 | |
378 | void set_RAM_Timings(int tRC, int tRAS, int tWR, int tMRD, int tRFC, int tRP, int tRCD) |
379 | { |
380 | } |
381 | |
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382 | void set_gamma(int g100, int A_SNs_curve) |
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383 | { |
384 | } |
385 | |
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386 | void set_LCD_custom_rate(int rate) |
387 | { |
388 | } |
389 | |
390 | void unset_LCD_custom_rate(void) |
391 | { |
392 | } |
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393 | |
394 | /* squidgehack.c */ |
395 | int mmuhack(void) |
396 | { |
397 | return 0; |
398 | } |
399 | |
400 | |
401 | int mmuunhack(void) |
402 | { |
403 | return 0; |
404 | } |
405 | |
406 | |
407 | /* misc */ |
408 | void spend_cycles(int c) |
409 | { |
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410 | usleep(c/200); |
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411 | } |
412 | |
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413 | /* lprintf */ |
414 | void lprintf(const char *fmt, ...) |
415 | { |
416 | va_list vl; |
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417 | |
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418 | va_start(vl, fmt); |
419 | vprintf(fmt, vl); |
420 | va_end(vl); |
421 | } |
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422 | |