1 /* faking/emulating gp2x.c by using gtk */
11 #include <sys/ioctl.h>
12 #include <sys/soundcard.h>
16 #include "../gp2x/emu.h"
17 #include "../gp2x/gp2x.h"
18 #include "../gp2x/usbjoy.h"
19 #include "../gp2x/version.h"
24 static int current_bpp = 8;
25 static int current_pal[256];
26 static unsigned long current_keys = 0;
27 static int sounddev = 0, mixerdev = 0;
28 static const char *verstring = "PicoDrive " VERSION;
31 char *ext_menu = 0, *ext_state = 0;
34 struct gtk_global_struct
41 static gboolean delete_event (GtkWidget *widget, GdkEvent *event, gpointer data)
46 static void destroy (GtkWidget *widget, gpointer data)
51 static gint key_press_event (GtkWidget *widget, GdkEventKey *event)
53 switch (event->hardware_keycode)
55 case 0x62: current_keys |= GP2X_UP; break;
56 case 0x68: current_keys |= GP2X_DOWN; break;
57 case 0x64: current_keys |= GP2X_LEFT; break;
58 case 0x66: current_keys |= GP2X_RIGHT; break;
59 case 0x24: current_keys |= GP2X_START; break; // enter
60 case 0x23: current_keys |= GP2X_SELECT;break; // ]
61 case 0x34: current_keys |= GP2X_A; break; // z
62 case 0x35: current_keys |= GP2X_X; break; // x
63 case 0x36: current_keys |= GP2X_B; break; // c
64 case 0x37: current_keys |= GP2X_Y; break; // v
65 case 0x27: current_keys |= GP2X_L; break; // s
66 case 0x28: current_keys |= GP2X_R; break; // d
67 case 0x29: current_keys |= GP2X_PUSH; break; // f
68 case 0x18: current_keys |= GP2X_VOL_DOWN;break; // q
69 case 0x19: current_keys |= GP2X_VOL_UP;break; // w
70 case 0x2d: log_io_clear(); break; // k
71 case 0x2e: log_io_dump(); break; // l
77 static gint key_release_event (GtkWidget *widget, GdkEventKey *event)
79 switch (event->hardware_keycode)
81 case 0x62: current_keys &= ~GP2X_UP; break;
82 case 0x68: current_keys &= ~GP2X_DOWN; break;
83 case 0x64: current_keys &= ~GP2X_LEFT; break;
84 case 0x66: current_keys &= ~GP2X_RIGHT; break;
85 case 0x24: current_keys &= ~GP2X_START; break; // enter
86 case 0x23: current_keys &= ~GP2X_SELECT;break; // ]
87 case 0x34: current_keys &= ~GP2X_A; break; // z
88 case 0x35: current_keys &= ~GP2X_X; break; // x
89 case 0x36: current_keys &= ~GP2X_B; break; // c
90 case 0x37: current_keys &= ~GP2X_Y; break; // v
91 case 0x27: current_keys &= ~GP2X_L; break; // s
92 case 0x28: current_keys &= ~GP2X_R; break; // d
93 case 0x29: current_keys &= ~GP2X_PUSH; break; // f
94 case 0x18: current_keys &= ~GP2X_VOL_DOWN;break; // q
95 case 0x19: current_keys &= ~GP2X_VOL_UP;break; // w
101 static void *gtk_threadf(void *none)
105 printf("linux: gtk thread finishing\n");
106 engineState = PGS_Quit;
111 static void gtk_initf(void)
114 char *argv[] = { "" };
116 pthread_t gtk_thread;
118 g_thread_init (NULL);
121 gtk_init (&argc, (char ***) &argv);
123 /* create new window */
124 gtk_items.window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
125 g_signal_connect (G_OBJECT (gtk_items.window), "delete_event",
126 G_CALLBACK (delete_event), NULL);
128 g_signal_connect (G_OBJECT (gtk_items.window), "destroy",
129 G_CALLBACK (destroy), NULL);
131 g_signal_connect (G_OBJECT (gtk_items.window), "key_press_event",
132 G_CALLBACK (key_press_event), NULL);
134 g_signal_connect (G_OBJECT (gtk_items.window), "key_release_event",
135 G_CALLBACK (key_release_event), NULL);
137 gtk_container_set_border_width (GTK_CONTAINER (gtk_items.window), 2);
138 gtk_window_set_title ((GtkWindow *) gtk_items.window, verstring);
140 box = gtk_hbox_new(FALSE, 0);
141 gtk_widget_show(box);
142 gtk_container_add (GTK_CONTAINER (gtk_items.window), box);
145 gtk_items.pixmap1 = gtk_image_new ();
146 gtk_container_add (GTK_CONTAINER (box), gtk_items.pixmap1);
147 gtk_widget_show (gtk_items.pixmap1);
148 gtk_widget_set_size_request (gtk_items.pixmap1, 320, 240);
150 gtk_widget_show (gtk_items.window);
152 // pthread_mutex_init (&thr_mutex, NULL);
153 // pthread_mutex_lock (&thr_mutex);
154 // pthread_mutex_init (&scanner_muttex, NULL);
156 pthread_create(>k_thread, NULL, gtk_threadf, NULL);
159 void finalize_image(guchar *pixels, gpointer data)
168 printf("entering init()\n"); fflush(stdout);
170 gp2x_screen = malloc(320*240*2 + 320*2);
171 memset(gp2x_screen, 0, 320*240*2 + 320*2);
174 mixerdev = open("/dev/mixer", O_RDWR);
176 printf("open(\"/dev/mixer\") failed with %i\n", errno);
182 printf("exitting init()\n"); fflush(stdout);
185 void gp2x_deinit(void)
188 if (sounddev > 0) close(sounddev);
190 gp2x_usbjoy_deinit();
194 void gp2x_video_flip(void)
197 unsigned char *image;
202 image = malloc (320*240*3);
209 if (current_bpp == 8)
211 unsigned char *pixels = gp2x_screen;
214 for (i = 0; i < 320*240; i++)
216 pix = current_pal[pixels[i]];
217 image[3 * i + 0] = pix >> 16;
218 image[3 * i + 1] = pix >> 8;
219 image[3 * i + 2] = pix;
224 unsigned short *pixels = gp2x_screen;
226 for (i = 0; i < 320*240; i++)
228 /* in: rrrr rggg gggb bbbb */
229 /* out: rrrr r000 gggg gg00 bbbb b000 */
230 image[3 * i + 0] = (pixels[i] >> 8) & 0xf8;
231 image[3 * i + 1] = (pixels[i] >> 3) & 0xfc;
232 image[3 * i + 2] = (pixels[i] << 3);
236 pixbuf = gdk_pixbuf_new_from_data (image, GDK_COLORSPACE_RGB,
237 FALSE, 8, 320, 240, 320*3, finalize_image, NULL);
238 gtk_image_set_from_pixbuf (GTK_IMAGE (gtk_items.pixmap1), pixbuf);
239 g_object_unref (pixbuf);
244 void gp2x_video_flip2(void)
249 void gp2x_video_changemode(int bpp)
254 void gp2x_video_changemode2(int bpp)
259 void gp2x_video_setpalette(int *pal, int len)
261 memcpy(current_pal, pal, len*4);
264 void gp2x_video_flush_cache(void)
268 void gp2x_video_RGB_setscaling(int v_offs, int W, int H)
272 void gp2x_memcpy_buffers(int buffers, void *data, int offset, int len)
274 if ((char *)gp2x_screen + offset != data)
275 memcpy((char *)gp2x_screen + offset, data, len);
278 void gp2x_memcpy_all_buffers(void *data, int offset, int len)
280 memcpy((char *)gp2x_screen + offset, data, len);
284 void gp2x_memset_all_buffers(int offset, int byte, int len)
286 memset((char *)gp2x_screen + offset, byte, len);
289 void gp2x_pd_clone_buffer2(void)
291 memset(gp2x_screen, 0, 320*240*2);
295 static int s_oldrate = 0, s_oldbits = 0, s_oldstereo = 0;
297 void gp2x_start_sound(int rate, int bits, int stereo)
299 int frag = 0, bsize, buffers;
301 // if no settings change, we don't need to do anything
302 if (rate == s_oldrate && s_oldbits == bits && s_oldstereo == stereo) return;
304 if (sounddev > 0) close(sounddev);
305 sounddev = open("/dev/dsp", O_WRONLY|O_ASYNC);
307 printf("open(\"/dev/dsp\") failed with %i\n", errno);
309 ioctl(sounddev, SNDCTL_DSP_SPEED, &rate);
310 ioctl(sounddev, SNDCTL_DSP_SETFMT, &bits);
311 ioctl(sounddev, SNDCTL_DSP_STEREO, &stereo);
312 // calculate buffer size
315 if (rate > 22050) { bsize*=4; buffers*=2; } // 44k mode seems to be very demanding
316 while ((bsize>>=1)) frag++;
317 frag |= buffers<<16; // 16 buffers
318 ioctl(sounddev, SNDCTL_DSP_SETFRAGMENT, &frag);
319 printf("gp2x_set_sound: %i/%ibit/%s, %i buffers of %i bytes\n",
320 rate, bits, stereo?"stereo":"mono", frag>>16, 1<<(frag&0xffff));
322 s_oldrate = rate; s_oldbits = bits; s_oldstereo = stereo;
325 void gp2x_sound_write(void *buff, int len)
327 write(sounddev, buff, len);
330 void gp2x_sound_sync(void)
332 ioctl(sounddev, SOUND_PCM_SYNC, 0);
335 void gp2x_sound_volume(int l, int r)
337 l=l<0?0:l; l=l>255?255:l; r=r<0?0:r; r=r>255?255:r;
339 ioctl(mixerdev, SOUND_MIXER_WRITE_PCM, &l); /*SOUND_MIXER_WRITE_VOLUME*/
343 unsigned long gp2x_joystick_read(int allow_usb_joy)
345 unsigned long value = current_keys;
348 if (allow_usb_joy && num_of_joys > 0) {
349 // check the usb joy as well..
350 gp2x_usbjoy_update();
351 for (i = 0; i < num_of_joys; i++)
352 value |= gp2x_usbjoy_check(i);
360 void Pause940(int yes)
364 void Reset940(int yes, int bank)
368 /* faking gp2x cpuctrl.c */
369 void cpuctrl_init(void)
373 void cpuctrl_deinit(void)
377 void set_FCLK(unsigned MHZ)
381 void Disable_940(void)
385 void gp2x_video_wait_vsync(void)
389 void set_RAM_Timings(int tRC, int tRAS, int tWR, int tMRD, int tRFC, int tRP, int tRCD)
393 void set_gamma(int g100, int A_SNs_curve)
397 void set_LCD_custom_rate(int rate)
401 void unset_LCD_custom_rate(void)
419 void spend_cycles(int c)