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;
35 struct gtk_global_struct
42 static gboolean delete_event (GtkWidget *widget, GdkEvent *event, gpointer data)
47 static void destroy (GtkWidget *widget, gpointer data)
52 static gint key_press_event (GtkWidget *widget, GdkEventKey *event)
54 switch (event->hardware_keycode)
56 case 0x62: current_keys |= GP2X_UP; break;
57 case 0x68: current_keys |= GP2X_DOWN; break;
58 case 0x64: current_keys |= GP2X_LEFT; break;
59 case 0x66: current_keys |= GP2X_RIGHT; break;
60 case 0x24: current_keys |= GP2X_START; break; // enter
61 case 0x23: current_keys |= GP2X_SELECT;break; // ]
62 case 0x34: current_keys |= GP2X_A; break; // z
63 case 0x35: current_keys |= GP2X_X; break; // x
64 case 0x36: current_keys |= GP2X_B; break; // c
65 case 0x37: current_keys |= GP2X_Y; break; // v
66 case 0x27: current_keys |= GP2X_L; break; // s
67 case 0x28: current_keys |= GP2X_R; break; // d
68 case 0x29: current_keys |= GP2X_PUSH; break; // f
69 case 0x18: current_keys |= GP2X_VOL_DOWN;break; // q
70 case 0x19: current_keys |= GP2X_VOL_UP;break; // w
71 case 0x2d: log_io_clear(); break; // k
72 case 0x2e: log_io_dump(); break; // l
78 static gint key_release_event (GtkWidget *widget, GdkEventKey *event)
80 switch (event->hardware_keycode)
82 case 0x62: current_keys &= ~GP2X_UP; break;
83 case 0x68: current_keys &= ~GP2X_DOWN; break;
84 case 0x64: current_keys &= ~GP2X_LEFT; break;
85 case 0x66: current_keys &= ~GP2X_RIGHT; break;
86 case 0x24: current_keys &= ~GP2X_START; break; // enter
87 case 0x23: current_keys &= ~GP2X_SELECT;break; // ]
88 case 0x34: current_keys &= ~GP2X_A; break; // z
89 case 0x35: current_keys &= ~GP2X_X; break; // x
90 case 0x36: current_keys &= ~GP2X_B; break; // c
91 case 0x37: current_keys &= ~GP2X_Y; break; // v
92 case 0x27: current_keys &= ~GP2X_L; break; // s
93 case 0x28: current_keys &= ~GP2X_R; break; // d
94 case 0x29: current_keys &= ~GP2X_PUSH; break; // f
95 case 0x18: current_keys &= ~GP2X_VOL_DOWN;break; // q
96 case 0x19: current_keys &= ~GP2X_VOL_UP;break; // w
102 static void *gtk_threadf(void *targ)
105 char *argv[] = { "" };
109 g_thread_init (NULL);
112 gtk_init (&argc, (char ***) &argv);
114 /* create new window */
115 gtk_items.window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
116 g_signal_connect (G_OBJECT (gtk_items.window), "delete_event",
117 G_CALLBACK (delete_event), NULL);
119 g_signal_connect (G_OBJECT (gtk_items.window), "destroy",
120 G_CALLBACK (destroy), NULL);
122 g_signal_connect (G_OBJECT (gtk_items.window), "key_press_event",
123 G_CALLBACK (key_press_event), NULL);
125 g_signal_connect (G_OBJECT (gtk_items.window), "key_release_event",
126 G_CALLBACK (key_release_event), NULL);
128 gtk_container_set_border_width (GTK_CONTAINER (gtk_items.window), 2);
129 gtk_window_set_title ((GtkWindow *) gtk_items.window, verstring);
131 box = gtk_hbox_new(FALSE, 0);
132 gtk_widget_show(box);
133 gtk_container_add (GTK_CONTAINER (gtk_items.window), box);
136 gtk_items.pixmap1 = gtk_image_new ();
137 gtk_container_add (GTK_CONTAINER (box), gtk_items.pixmap1);
138 gtk_widget_show (gtk_items.pixmap1);
139 gtk_widget_set_size_request (gtk_items.pixmap1, 320, 240);
141 gtk_widget_show (gtk_items.window);
147 printf("linux: gtk thread finishing\n");
153 static void gtk_initf(void)
155 pthread_t gtk_thread;
157 sem_init(&sem, 0, 0);
159 pthread_create(>k_thread, NULL, gtk_threadf, &sem);
160 pthread_detach(gtk_thread);
166 void finalize_image(guchar *pixels, gpointer data)
175 printf("entering init()\n"); fflush(stdout);
177 gp2x_screen = malloc(320*240*2 + 320*2);
178 memset(gp2x_screen, 0, 320*240*2 + 320*2);
181 mixerdev = open("/dev/mixer", O_RDWR);
183 printf("open(\"/dev/mixer\") failed with %i\n", errno);
189 printf("exitting init()\n"); fflush(stdout);
192 void gp2x_deinit(void)
195 if (sounddev > 0) close(sounddev);
197 gp2x_usbjoy_deinit();
201 void gp2x_video_flip(void)
204 unsigned char *image;
209 image = malloc (320*240*3);
216 if (current_bpp == 8)
218 unsigned char *pixels = gp2x_screen;
221 for (i = 0; i < 320*240; i++)
223 pix = current_pal[pixels[i]];
224 image[3 * i + 0] = pix >> 16;
225 image[3 * i + 1] = pix >> 8;
226 image[3 * i + 2] = pix;
231 unsigned short *pixels = gp2x_screen;
233 for (i = 0; i < 320*240; i++)
235 /* in: rrrr rggg gggb bbbb */
236 /* out: rrrr r000 gggg gg00 bbbb b000 */
237 image[3 * i + 0] = (pixels[i] >> 8) & 0xf8;
238 image[3 * i + 1] = (pixels[i] >> 3) & 0xfc;
239 image[3 * i + 2] = (pixels[i] << 3);
243 pixbuf = gdk_pixbuf_new_from_data (image, GDK_COLORSPACE_RGB,
244 FALSE, 8, 320, 240, 320*3, finalize_image, NULL);
245 gtk_image_set_from_pixbuf (GTK_IMAGE (gtk_items.pixmap1), pixbuf);
246 g_object_unref (pixbuf);
251 void gp2x_video_flip2(void)
256 void gp2x_video_changemode(int bpp)
261 void gp2x_video_changemode2(int bpp)
266 void gp2x_video_setpalette(int *pal, int len)
268 memcpy(current_pal, pal, len*4);
271 void gp2x_video_flush_cache(void)
275 void gp2x_video_RGB_setscaling(int v_offs, int W, int H)
279 void gp2x_memcpy_buffers(int buffers, void *data, int offset, int len)
281 if ((char *)gp2x_screen + offset != data)
282 memcpy((char *)gp2x_screen + offset, data, len);
285 void gp2x_memcpy_all_buffers(void *data, int offset, int len)
287 memcpy((char *)gp2x_screen + offset, data, len);
291 void gp2x_memset_all_buffers(int offset, int byte, int len)
293 memset((char *)gp2x_screen + offset, byte, len);
296 void gp2x_pd_clone_buffer2(void)
298 memset(gp2x_screen, 0, 320*240*2);
302 static int s_oldrate = 0, s_oldbits = 0, s_oldstereo = 0;
304 void gp2x_start_sound(int rate, int bits, int stereo)
306 int frag = 0, bsize, buffers;
308 // if no settings change, we don't need to do anything
309 if (rate == s_oldrate && s_oldbits == bits && s_oldstereo == stereo) return;
311 if (sounddev > 0) close(sounddev);
312 sounddev = open("/dev/dsp", O_WRONLY|O_ASYNC);
314 printf("open(\"/dev/dsp\") failed with %i\n", errno);
316 ioctl(sounddev, SNDCTL_DSP_SPEED, &rate);
317 ioctl(sounddev, SNDCTL_DSP_SETFMT, &bits);
318 ioctl(sounddev, SNDCTL_DSP_STEREO, &stereo);
319 // calculate buffer size
322 if (rate > 22050) { bsize*=4; buffers*=2; } // 44k mode seems to be very demanding
323 while ((bsize>>=1)) frag++;
324 frag |= buffers<<16; // 16 buffers
325 ioctl(sounddev, SNDCTL_DSP_SETFRAGMENT, &frag);
326 printf("gp2x_set_sound: %i/%ibit/%s, %i buffers of %i bytes\n",
327 rate, bits, stereo?"stereo":"mono", frag>>16, 1<<(frag&0xffff));
329 s_oldrate = rate; s_oldbits = bits; s_oldstereo = stereo;
332 void gp2x_sound_write(void *buff, int len)
334 write(sounddev, buff, len);
337 void gp2x_sound_sync(void)
339 ioctl(sounddev, SOUND_PCM_SYNC, 0);
342 void gp2x_sound_volume(int l, int r)
344 l=l<0?0:l; l=l>255?255:l; r=r<0?0:r; r=r>255?255:r;
346 ioctl(mixerdev, SOUND_MIXER_WRITE_PCM, &l); /*SOUND_MIXER_WRITE_VOLUME*/
350 unsigned long gp2x_joystick_read(int allow_usb_joy)
352 unsigned long value = current_keys;
355 if (allow_usb_joy && num_of_joys > 0) {
356 // check the usb joy as well..
357 gp2x_usbjoy_update();
358 for (i = 0; i < num_of_joys; i++)
359 value |= gp2x_usbjoy_check(i);
367 void Pause940(int yes)
371 void Reset940(int yes, int bank)
375 /* faking gp2x cpuctrl.c */
376 void cpuctrl_init(void)
380 void cpuctrl_deinit(void)
384 void set_FCLK(unsigned MHZ)
388 void Disable_940(void)
392 void gp2x_video_wait_vsync(void)
396 void set_RAM_Timings(int tRC, int tRAS, int tWR, int tMRD, int tRFC, int tRP, int tRCD)
400 void set_gamma(int g100, int A_SNs_curve)
404 void set_LCD_custom_rate(int rate)
408 void unset_LCD_custom_rate(void)
426 void spend_cycles(int c)
432 void lprintf(const char *fmt, ...)