1 /* faking/emulating gp2x.c by using gtk */
10 #include <sys/types.h>
12 #include <sys/ioctl.h>
13 #include <sys/soundcard.h>
17 #include "../gp2x/emu.h"
18 #include "../gp2x/gp2x.h"
19 #include "../gp2x/usbjoy.h"
20 #include "../gp2x/version.h"
25 static int current_bpp = 8;
26 static int current_pal[256];
27 static unsigned long current_keys = 0;
28 static int sounddev = 0, mixerdev = 0;
29 static const char *verstring = "PicoDrive " VERSION;
32 char *ext_menu = 0, *ext_state = 0;
33 int mix_32_to_16l_level;
36 struct gtk_global_struct
43 static gboolean delete_event (GtkWidget *widget, GdkEvent *event, gpointer data)
48 static void destroy (GtkWidget *widget, gpointer data)
53 static gint key_press_event (GtkWidget *widget, GdkEventKey *event)
55 switch (event->hardware_keycode)
57 case 0x62: current_keys |= GP2X_UP; break;
58 case 0x68: current_keys |= GP2X_DOWN; break;
59 case 0x64: current_keys |= GP2X_LEFT; break;
60 case 0x66: current_keys |= GP2X_RIGHT; break;
61 case 0x24: current_keys |= GP2X_START; break; // enter
62 case 0x23: current_keys |= GP2X_SELECT;break; // ]
63 case 0x34: current_keys |= GP2X_A; break; // z
64 case 0x35: current_keys |= GP2X_X; break; // x
65 case 0x36: current_keys |= GP2X_B; break; // c
66 case 0x37: current_keys |= GP2X_Y; break; // v
67 case 0x27: current_keys |= GP2X_L; break; // s
68 case 0x28: current_keys |= GP2X_R; break; // d
69 case 0x29: current_keys |= GP2X_PUSH; break; // f
70 case 0x18: current_keys |= GP2X_VOL_DOWN;break; // q
71 case 0x19: current_keys |= GP2X_VOL_UP;break; // w
72 case 0x2d: log_io_clear(); break; // k
73 case 0x2e: log_io_dump(); break; // l
79 static gint key_release_event (GtkWidget *widget, GdkEventKey *event)
81 switch (event->hardware_keycode)
83 case 0x62: current_keys &= ~GP2X_UP; break;
84 case 0x68: current_keys &= ~GP2X_DOWN; break;
85 case 0x64: current_keys &= ~GP2X_LEFT; break;
86 case 0x66: current_keys &= ~GP2X_RIGHT; break;
87 case 0x24: current_keys &= ~GP2X_START; break; // enter
88 case 0x23: current_keys &= ~GP2X_SELECT;break; // ]
89 case 0x34: current_keys &= ~GP2X_A; break; // z
90 case 0x35: current_keys &= ~GP2X_X; break; // x
91 case 0x36: current_keys &= ~GP2X_B; break; // c
92 case 0x37: current_keys &= ~GP2X_Y; break; // v
93 case 0x27: current_keys &= ~GP2X_L; break; // s
94 case 0x28: current_keys &= ~GP2X_R; break; // d
95 case 0x29: current_keys &= ~GP2X_PUSH; break; // f
96 case 0x18: current_keys &= ~GP2X_VOL_DOWN;break; // q
97 case 0x19: current_keys &= ~GP2X_VOL_UP;break; // w
103 static void *gtk_threadf(void *targ)
106 char *argv[] = { "" };
110 g_thread_init (NULL);
113 gtk_init (&argc, (char ***) &argv);
115 /* create new window */
116 gtk_items.window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
117 g_signal_connect (G_OBJECT (gtk_items.window), "delete_event",
118 G_CALLBACK (delete_event), NULL);
120 g_signal_connect (G_OBJECT (gtk_items.window), "destroy",
121 G_CALLBACK (destroy), NULL);
123 g_signal_connect (G_OBJECT (gtk_items.window), "key_press_event",
124 G_CALLBACK (key_press_event), NULL);
126 g_signal_connect (G_OBJECT (gtk_items.window), "key_release_event",
127 G_CALLBACK (key_release_event), NULL);
129 gtk_container_set_border_width (GTK_CONTAINER (gtk_items.window), 2);
130 gtk_window_set_title ((GtkWindow *) gtk_items.window, verstring);
132 box = gtk_hbox_new(FALSE, 0);
133 gtk_widget_show(box);
134 gtk_container_add (GTK_CONTAINER (gtk_items.window), box);
137 gtk_items.pixmap1 = gtk_image_new ();
138 gtk_container_add (GTK_CONTAINER (box), gtk_items.pixmap1);
139 gtk_widget_show (gtk_items.pixmap1);
140 gtk_widget_set_size_request (gtk_items.pixmap1, 320, 240);
142 gtk_widget_show (gtk_items.window);
148 printf("linux: gtk thread finishing\n");
154 static void gtk_initf(void)
156 pthread_t gtk_thread;
158 sem_init(&sem, 0, 0);
160 pthread_create(>k_thread, NULL, gtk_threadf, &sem);
161 pthread_detach(gtk_thread);
167 void finalize_image(guchar *pixels, gpointer data)
176 printf("entering init()\n"); fflush(stdout);
178 gp2x_screen = malloc(320*240*2 + 320*2);
179 memset(gp2x_screen, 0, 320*240*2 + 320*2);
182 mixerdev = open("/dev/mixer", O_RDWR);
184 printf("open(\"/dev/mixer\") failed with %i\n", errno);
190 printf("exitting init()\n"); fflush(stdout);
193 void gp2x_deinit(void)
196 if (sounddev > 0) close(sounddev);
198 gp2x_usbjoy_deinit();
202 void gp2x_video_flip(void)
205 unsigned char *image;
210 image = malloc (320*240*3);
217 if (current_bpp == 8)
219 unsigned char *pixels = gp2x_screen;
222 for (i = 0; i < 320*240; i++)
224 pix = current_pal[pixels[i]];
225 image[3 * i + 0] = pix >> 16;
226 image[3 * i + 1] = pix >> 8;
227 image[3 * i + 2] = pix;
232 unsigned short *pixels = gp2x_screen;
234 for (i = 0; i < 320*240; i++)
236 /* in: rrrr rggg gggb bbbb */
237 /* out: rrrr r000 gggg gg00 bbbb b000 */
238 image[3 * i + 0] = (pixels[i] >> 8) & 0xf8;
239 image[3 * i + 1] = (pixels[i] >> 3) & 0xfc;
240 image[3 * i + 2] = (pixels[i] << 3);
244 pixbuf = gdk_pixbuf_new_from_data (image, GDK_COLORSPACE_RGB,
245 FALSE, 8, 320, 240, 320*3, finalize_image, NULL);
246 gtk_image_set_from_pixbuf (GTK_IMAGE (gtk_items.pixmap1), pixbuf);
247 g_object_unref (pixbuf);
252 void gp2x_video_flip2(void)
257 void gp2x_video_changemode(int bpp)
262 void gp2x_video_changemode2(int bpp)
267 void gp2x_video_setpalette(int *pal, int len)
269 memcpy(current_pal, pal, len*4);
272 void gp2x_video_flush_cache(void)
276 void gp2x_video_RGB_setscaling(int v_offs, int W, int H)
280 void gp2x_memcpy_buffers(int buffers, void *data, int offset, int len)
282 if ((char *)gp2x_screen + offset != data)
283 memcpy((char *)gp2x_screen + offset, data, len);
286 void gp2x_memcpy_all_buffers(void *data, int offset, int len)
288 memcpy((char *)gp2x_screen + offset, data, len);
292 void gp2x_memset_all_buffers(int offset, int byte, int len)
294 memset((char *)gp2x_screen + offset, byte, len);
297 void gp2x_pd_clone_buffer2(void)
299 memset(gp2x_screen, 0, 320*240*2);
303 static int s_oldrate = 0, s_oldbits = 0, s_oldstereo = 0;
305 void gp2x_start_sound(int rate, int bits, int stereo)
307 int frag = 0, bsize, buffers;
309 // if no settings change, we don't need to do anything
310 if (rate == s_oldrate && s_oldbits == bits && s_oldstereo == stereo) return;
312 if (sounddev > 0) close(sounddev);
313 sounddev = open("/dev/dsp", O_WRONLY|O_ASYNC);
315 printf("open(\"/dev/dsp\") failed with %i\n", errno);
317 ioctl(sounddev, SNDCTL_DSP_SPEED, &rate);
318 ioctl(sounddev, SNDCTL_DSP_SETFMT, &bits);
319 ioctl(sounddev, SNDCTL_DSP_STEREO, &stereo);
320 // calculate buffer size
323 if (rate > 22050) { bsize*=4; buffers*=2; } // 44k mode seems to be very demanding
324 while ((bsize>>=1)) frag++;
325 frag |= buffers<<16; // 16 buffers
326 ioctl(sounddev, SNDCTL_DSP_SETFRAGMENT, &frag);
327 printf("gp2x_set_sound: %i/%ibit/%s, %i buffers of %i bytes\n",
328 rate, bits, stereo?"stereo":"mono", frag>>16, 1<<(frag&0xffff));
330 s_oldrate = rate; s_oldbits = bits; s_oldstereo = stereo;
333 void gp2x_sound_write(void *buff, int len)
335 write(sounddev, buff, len);
338 void gp2x_sound_sync(void)
340 ioctl(sounddev, SOUND_PCM_SYNC, 0);
343 void gp2x_sound_volume(int l, int r)
345 l=l<0?0:l; l=l>255?255:l; r=r<0?0:r; r=r>255?255:r;
347 ioctl(mixerdev, SOUND_MIXER_WRITE_PCM, &l); /*SOUND_MIXER_WRITE_VOLUME*/
351 unsigned long gp2x_joystick_read(int allow_usb_joy)
353 unsigned long value = current_keys;
356 if (allow_usb_joy && num_of_joys > 0) {
357 // check the usb joy as well..
358 gp2x_usbjoy_update();
359 for (i = 0; i < num_of_joys; i++)
360 value |= gp2x_usbjoy_check(i);
368 void Pause940(int yes)
372 void Reset940(int yes, int bank)
376 /* faking gp2x cpuctrl.c */
377 void cpuctrl_init(void)
381 void cpuctrl_deinit(void)
385 void set_FCLK(unsigned MHZ)
389 void Disable_940(void)
393 void gp2x_video_wait_vsync(void)
397 void set_RAM_Timings(int tRC, int tRAS, int tWR, int tMRD, int tRFC, int tRP, int tRCD)
401 void set_gamma(int g100, int A_SNs_curve)
405 void set_LCD_custom_rate(int rate)
409 void unset_LCD_custom_rate(void)
427 void spend_cycles(int c)
433 void lprintf(const char *fmt, ...)