[libpicofe.git] / linux / gp2x.c

/* faking/emulating gp2x.c by using gtk */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <pthread.h>
#include <semaphore.h>
#include <gtk/gtk.h>

#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <errno.h>

#include "../gp2x/emu.h"
#include "../gp2x/gp2x.h"
#include "../gp2x/version.h"
#include "sndout_oss.h"
#include "usbjoy.h"

#include "log_io.h"

void *gp2x_screen;
static int current_bpp = 8;
static int current_pal[256];
static unsigned long current_keys = 0;
static const char *verstring = "PicoDrive " VERSION;

// dummies
char *ext_menu = 0, *ext_state = 0;
int mix_32_to_16l_level;

/* gtk */
struct gtk_global_struct
{
        GtkWidget *window;
        GtkWidget *pixmap1;
} gtk_items;


static gboolean delete_event (GtkWidget *widget, GdkEvent *event, gpointer data)
{
	return FALSE;
}

static void destroy (GtkWidget *widget, gpointer data)
{
	gtk_main_quit ();
}

static gint key_press_event (GtkWidget *widget, GdkEventKey *event)
{
	switch (event->hardware_keycode)
	{
		case 0x62: current_keys |= GP2X_UP;    break;
		case 0x68: current_keys |= GP2X_DOWN;  break;
		case 0x64: current_keys |= GP2X_LEFT;  break;
		case 0x66: current_keys |= GP2X_RIGHT; break;
		case 0x24: current_keys |= GP2X_START; break; // enter
		case 0x23: current_keys |= GP2X_SELECT;break; // ]
		case 0x34: current_keys |= GP2X_A;     break; // z
		case 0x35: current_keys |= GP2X_X;     break; // x
		case 0x36: current_keys |= GP2X_B;     break; // c
		case 0x37: current_keys |= GP2X_Y;     break; // v
		case 0x27: current_keys |= GP2X_L;     break; // s
		case 0x28: current_keys |= GP2X_R;     break; // d
		case 0x29: current_keys |= GP2X_PUSH;  break; // f
		case 0x18: current_keys |= GP2X_VOL_DOWN;break; // q
		case 0x19: current_keys |= GP2X_VOL_UP;break; // w
		case 0x2d: log_io_clear(); break; // k
		case 0x2e: log_io_dump();  break; // l
		case 0x17: { // tab
			extern int PicoReset(void);
			PicoReset();
			break;
		}
	}

	return 0;
}

static gint key_release_event (GtkWidget *widget, GdkEventKey *event)
{
	switch (event->hardware_keycode)
	{
		case 0x62: current_keys &= ~GP2X_UP;    break;
		case 0x68: current_keys &= ~GP2X_DOWN;  break;
		case 0x64: current_keys &= ~GP2X_LEFT;  break;
		case 0x66: current_keys &= ~GP2X_RIGHT; break;
		case 0x24: current_keys &= ~GP2X_START; break; // enter
		case 0x23: current_keys &= ~GP2X_SELECT;break; // ]
		case 0x34: current_keys &= ~GP2X_A;     break; // z
		case 0x35: current_keys &= ~GP2X_X;     break; // x
		case 0x36: current_keys &= ~GP2X_B;     break; // c
		case 0x37: current_keys &= ~GP2X_Y;     break; // v
		case 0x27: current_keys &= ~GP2X_L;     break; // s
		case 0x28: current_keys &= ~GP2X_R;     break; // d
		case 0x29: current_keys &= ~GP2X_PUSH;  break; // f
		case 0x18: current_keys &= ~GP2X_VOL_DOWN;break; // q
		case 0x19: current_keys &= ~GP2X_VOL_UP;break; // w
	}

	return 0;
}

static void *gtk_threadf(void *targ)
{
	int argc = 0;
	char *argv[] = { "" };
	GtkWidget *box;
	sem_t *sem = targ;

	g_thread_init (NULL);
	gdk_threads_init ();
	gdk_set_locale ();
	gtk_init (&argc, (char ***) &argv);

	/* create new window */
	gtk_items.window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
	g_signal_connect (G_OBJECT (gtk_items.window), "delete_event",
			G_CALLBACK (delete_event), NULL);

	g_signal_connect (G_OBJECT (gtk_items.window), "destroy",
			G_CALLBACK (destroy), NULL);

	g_signal_connect (G_OBJECT (gtk_items.window), "key_press_event",
			G_CALLBACK (key_press_event), NULL);

	g_signal_connect (G_OBJECT (gtk_items.window), "key_release_event",
			G_CALLBACK (key_release_event), NULL);

	gtk_container_set_border_width (GTK_CONTAINER (gtk_items.window), 2);
	gtk_window_set_title ((GtkWindow *) gtk_items.window, verstring);

	box = gtk_hbox_new(FALSE, 0);
	gtk_widget_show(box);
	gtk_container_add (GTK_CONTAINER (gtk_items.window), box);

	/* live pixmap */
	gtk_items.pixmap1 = gtk_image_new ();
	gtk_container_add (GTK_CONTAINER (box), gtk_items.pixmap1);
	gtk_widget_show (gtk_items.pixmap1);
	gtk_widget_set_size_request (gtk_items.pixmap1, 320, 240);

	gtk_widget_show  (gtk_items.window);

	sem_post(sem);

	gtk_main();

	printf("linux: gtk thread finishing\n");
	exit(1);

	return NULL;
}

static void gtk_initf(void)
{
	pthread_t gtk_thread;
	sem_t sem;
	sem_init(&sem, 0, 0);

	pthread_create(&gtk_thread, NULL, gtk_threadf, &sem);
	pthread_detach(gtk_thread);

	sem_wait(&sem);
	sem_close(&sem);
}

void finalize_image(guchar *pixels, gpointer data)
{
	free(pixels);
}

/* --- */

void gp2x_init(void)
{
	printf("entering init()\n"); fflush(stdout);

	gp2x_screen = malloc(320*240*2 + 320*2);
	memset(gp2x_screen, 0, 320*240*2 + 320*2);

	// snd
	sndout_oss_init();

	gtk_initf();

	usbjoy_init();

	printf("exitting init()\n"); fflush(stdout);
}

void gp2x_deinit(void)
{
	free(gp2x_screen);
	sndout_oss_exit();
	usbjoy_deinit();
}

/* video */
void gp2x_video_flip(void)
{
	GdkPixbuf	*pixbuf;
	unsigned char	*image;
	int		i;

	gdk_threads_enter();

	image = malloc (320*240*3);
	if (image == NULL)
	{
		gdk_threads_leave();
		return;
	}

	if (current_bpp == 8)
	{
		unsigned char *pixels = gp2x_screen;
		int pix;

		for (i = 0; i < 320*240; i++)
		{
			pix = current_pal[pixels[i]];
			image[3 * i + 0] = pix >> 16;
			image[3 * i + 1] = pix >>  8;
			image[3 * i + 2] = pix;
		}
	}
	else
	{
		unsigned short *pixels = gp2x_screen;

		for (i = 0; i < 320*240; i++)
		{
			/*  in:           rrrr rggg gggb bbbb */
			/* out: rrrr r000 gggg gg00 bbbb b000 */
			image[3 * i + 0] = (pixels[i] >> 8) & 0xf8;
			image[3 * i + 1] = (pixels[i] >> 3) & 0xfc;
			image[3 * i + 2] = (pixels[i] << 3);
		}
	}

	pixbuf = gdk_pixbuf_new_from_data (image, GDK_COLORSPACE_RGB,
			FALSE, 8, 320, 240, 320*3, finalize_image, NULL);
	gtk_image_set_from_pixbuf (GTK_IMAGE (gtk_items.pixmap1), pixbuf);
	g_object_unref (pixbuf);

	gdk_threads_leave();
}

void gp2x_video_flip2(void)
{
	gp2x_video_flip();
}

void gp2x_video_changemode(int bpp)
{
	current_bpp = bpp;
}

void gp2x_video_changemode2(int bpp)
{
	current_bpp = bpp;
}

void gp2x_video_setpalette(int *pal, int len)
{
	memcpy(current_pal, pal, len*4);
}

void gp2x_video_flush_cache(void)
{
}

void gp2x_video_RGB_setscaling(int v_offs, int W, int H)
{
}

void gp2x_memcpy_buffers(int buffers, void *data, int offset, int len)
{
	if ((char *)gp2x_screen + offset != data)
		memcpy((char *)gp2x_screen + offset, data, len);
}

void gp2x_memcpy_all_buffers(void *data, int offset, int len)
{
	memcpy((char *)gp2x_screen + offset, data, len);
}


void gp2x_memset_all_buffers(int offset, int byte, int len)
{
	memset((char *)gp2x_screen + offset, byte, len);
}

void gp2x_pd_clone_buffer2(void)
{
	memset(gp2x_screen, 0, 320*240*2);
}

/* joy */
unsigned long gp2x_joystick_read(int allow_usb_joy)
{
	unsigned long value = current_keys;
	int i;

	if (allow_usb_joy && num_of_joys > 0) {
		// check the usb joy as well..
		usbjoy_update();
		for (i = 0; i < num_of_joys; i++)
			value |= usbjoy_check(i);
	}

	return value;
}

int gp2x_touchpad_read(int *x, int *y)
{
	return -1;
}

/* 940 */
int crashed_940 = 0;
void Pause940(int yes)
{
}

void Reset940(int yes, int bank)
{
}

/* faking gp2x cpuctrl.c */
void cpuctrl_init(void)
{
}

void cpuctrl_deinit(void)
{
}

void set_FCLK(unsigned MHZ)
{
}

void Disable_940(void)
{
}

void gp2x_video_wait_vsync(void)
{
}

void set_RAM_Timings(int tRC, int tRAS, int tWR, int tMRD, int tRFC, int tRP, int tRCD)
{
}

void set_gamma(int g100, int A_SNs_curve)
{
}

void set_LCD_custom_rate(int rate)
{
}

void unset_LCD_custom_rate(void)
{
}

/* squidgehack.c */
int mmuhack(void)
{
	return 0;
}


int mmuunhack(void)
{
	return 0;
}


/* misc */
void spend_cycles(int c)
{
	usleep(c/200);
}

/* lprintf */
void lprintf(const char *fmt, ...)
{
	va_list vl;

	va_start(vl, fmt);
	vprintf(fmt, vl);
	va_end(vl);
}
Commit	Line	Data
720ee7f6	1	/* faking/emulating gp2x.c by using gtk */
	2	#include <stdio.h>
	3	#include <stdlib.h>
	4	#include <string.h>
	5	#include <pthread.h>
0d9652b5	6	#include <semaphore.h>
720ee7f6	7	#include <gtk/gtk.h>
	8
	9	#include <unistd.h>
	10	#include <sys/types.h>
	11	#include <sys/stat.h>
720ee7f6	12	#include <fcntl.h>
	13	#include <errno.h>
	14
	15	#include "../gp2x/emu.h"
	16	#include "../gp2x/gp2x.h"
720ee7f6	17	#include "../gp2x/version.h"
b3972d82	18	#include "sndout_oss.h"
b3972d82	19	#include "usbjoy.h"
720ee7f6	20
15b55b4e	21	#include "log_io.h"
15b55b4e	22
720ee7f6	23	void *gp2x_screen;
	24	static int current_bpp = 8;
	25	static int current_pal[256];
	26	static unsigned long current_keys = 0;
720ee7f6	27	static const char *verstring = "PicoDrive " VERSION;
	28
	29	// dummies
	30	char ext_menu = 0, ext_state = 0;
385a157e	31	int mix_32_to_16l_level;
720ee7f6	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	{
	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
15b55b4e	70	case 0x2d: log_io_clear(); break; // k
15b55b4e	71	case 0x2e: log_io_dump(); break; // l
6999d7eb	72	case 0x17: { // tab
	73	extern int PicoReset(void);
	74	PicoReset();
	75	break;
	76	}
720ee7f6	77	}
	78
	79	return 0;
	80	}
	81
	82	static gint key_release_event (GtkWidget widget, GdkEventKey event)
	83	{
	84	switch (event->hardware_keycode)
	85	{
	86	case 0x62: current_keys &= ~GP2X_UP; break;
	87	case 0x68: current_keys &= ~GP2X_DOWN; break;
	88	case 0x64: current_keys &= ~GP2X_LEFT; break;
	89	case 0x66: current_keys &= ~GP2X_RIGHT; break;
	90	case 0x24: current_keys &= ~GP2X_START; break; // enter
	91	case 0x23: current_keys &= ~GP2X_SELECT;break; // ]
	92	case 0x34: current_keys &= ~GP2X_A; break; // z
	93	case 0x35: current_keys &= ~GP2X_X; break; // x
	94	case 0x36: current_keys &= ~GP2X_B; break; // c
	95	case 0x37: current_keys &= ~GP2X_Y; break; // v
	96	case 0x27: current_keys &= ~GP2X_L; break; // s
	97	case 0x28: current_keys &= ~GP2X_R; break; // d
	98	case 0x29: current_keys &= ~GP2X_PUSH; break; // f
	99	case 0x18: current_keys &= ~GP2X_VOL_DOWN;break; // q
	100	case 0x19: current_keys &= ~GP2X_VOL_UP;break; // w
	101	}
	102
	103	return 0;
	104	}
	105
0d9652b5	106	static void gtk_threadf(void targ)
720ee7f6	107	{
	108	int argc = 0;
	109	char *argv[] = { "" };
	110	GtkWidget *box;
0d9652b5	111	sem_t *sem = targ;
720ee7f6	112
	113	g_thread_init (NULL);
	114	gdk_threads_init ();
	115	gdk_set_locale ();
	116	gtk_init (&argc, (char ***) &argv);
	117
	118	/* create new window */
	119	gtk_items.window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
	120	g_signal_connect (G_OBJECT (gtk_items.window), "delete_event",
	121	G_CALLBACK (delete_event), NULL);
	122
	123	g_signal_connect (G_OBJECT (gtk_items.window), "destroy",
	124	G_CALLBACK (destroy), NULL);
	125
	126	g_signal_connect (G_OBJECT (gtk_items.window), "key_press_event",
	127	G_CALLBACK (key_press_event), NULL);
	128
	129	g_signal_connect (G_OBJECT (gtk_items.window), "key_release_event",
	130	G_CALLBACK (key_release_event), NULL);
	131
	132	gtk_container_set_border_width (GTK_CONTAINER (gtk_items.window), 2);
	133	gtk_window_set_title ((GtkWindow *) gtk_items.window, verstring);
	134
	135	box = gtk_hbox_new(FALSE, 0);
	136	gtk_widget_show(box);
	137	gtk_container_add (GTK_CONTAINER (gtk_items.window), box);
	138
	139	/* live pixmap */
	140	gtk_items.pixmap1 = gtk_image_new ();
	141	gtk_container_add (GTK_CONTAINER (box), gtk_items.pixmap1);
	142	gtk_widget_show (gtk_items.pixmap1);
	143	gtk_widget_set_size_request (gtk_items.pixmap1, 320, 240);
	144
	145	gtk_widget_show (gtk_items.window);
	146
0d9652b5	147	sem_post(sem);
	148
	149	gtk_main();
	150
	151	printf("linux: gtk thread finishing\n");
	152	exit(1);
	153
	154	return NULL;
	155	}
	156
	157	static void gtk_initf(void)
	158	{
	159	pthread_t gtk_thread;
	160	sem_t sem;
	161	sem_init(&sem, 0, 0);
	162
	163	pthread_create(&gtk_thread, NULL, gtk_threadf, &sem);
	164	pthread_detach(gtk_thread);
720ee7f6	165
0d9652b5	166	sem_wait(&sem);
0d9652b5	167	sem_close(&sem);
720ee7f6	168	}
	169
	170	void finalize_image(guchar *pixels, gpointer data)
	171	{
	172	free(pixels);
	173	}
	174
	175	/* --- */
	176
	177	void gp2x_init(void)
	178	{
	179	printf("entering init()\n"); fflush(stdout);
	180
	181	gp2x_screen = malloc(3202402 + 320*2);
af6e9c49	182	memset(gp2x_screen, 0, 3202402 + 320*2);
720ee7f6	183
720ee7f6	184	// snd
b3972d82	185	sndout_oss_init();
720ee7f6	186
	187	gtk_initf();
	188
b3972d82	189	usbjoy_init();
720ee7f6	190
	191	printf("exitting init()\n"); fflush(stdout);
	192	}
	193
	194	void gp2x_deinit(void)
	195	{
	196	free(gp2x_screen);
b3972d82	197	sndout_oss_exit();
b3972d82	198	usbjoy_deinit();
720ee7f6	199	}
	200
	201	/* video */
	202	void gp2x_video_flip(void)
	203	{
	204	GdkPixbuf *pixbuf;
	205	unsigned char *image;
	206	int i;
	207
	208	gdk_threads_enter();
	209
	210	image = malloc (3202403);
	211	if (image == NULL)
	212	{
	213	gdk_threads_leave();
	214	return;
	215	}
	216
	217	if (current_bpp == 8)
	218	{
	219	unsigned char *pixels = gp2x_screen;
	220	int pix;
	221
	222	for (i = 0; i < 320*240; i++)
	223	{
	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;
	228	}
	229	}
	230	else
	231	{
	232	unsigned short *pixels = gp2x_screen;
	233
	234	for (i = 0; i < 320*240; i++)
	235	{
	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);
	241	}
	242	}
	243
	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);
	248
	249	gdk_threads_leave();
	250	}
	251
e5d315a5	252	void gp2x_video_flip2(void)
	253	{
	254	gp2x_video_flip();
	255	}
	256
720ee7f6	257	void gp2x_video_changemode(int bpp)
	258	{
	259	current_bpp = bpp;
	260	}
	261
e5d315a5	262	void gp2x_video_changemode2(int bpp)
	263	{
	264	current_bpp = bpp;
	265	}
	266
720ee7f6	267	void gp2x_video_setpalette(int *pal, int len)
	268	{
	269	memcpy(current_pal, pal, len*4);
	270	}
	271
13059a60	272	void gp2x_video_flush_cache(void)
	273	{
	274	}
	275
79cad122	276	void gp2x_video_RGB_setscaling(int v_offs, int W, int H)
720ee7f6	277	{
	278	}
	279
dccc2bd0	280	void gp2x_memcpy_buffers(int buffers, void *data, int offset, int len)
dccc2bd0	281	{
13059a60	282	if ((char *)gp2x_screen + offset != data)
13059a60	283	memcpy((char *)gp2x_screen + offset, data, len);
dccc2bd0	284	}
dccc2bd0	285
720ee7f6	286	void gp2x_memcpy_all_buffers(void *data, int offset, int len)
	287	{
	288	memcpy((char *)gp2x_screen + offset, data, len);
	289	}
	290
	291
	292	void gp2x_memset_all_buffers(int offset, int byte, int len)
	293	{
	294	memset((char *)gp2x_screen + offset, byte, len);
	295	}
	296
e5d315a5	297	void gp2x_pd_clone_buffer2(void)
e5d315a5	298	{
13059a60	299	memset(gp2x_screen, 0, 3202402);
e5d315a5	300	}
720ee7f6	301
720ee7f6	302	/* joy */
	303	unsigned long gp2x_joystick_read(int allow_usb_joy)
	304	{
	305	unsigned long value = current_keys;
	306	int i;
	307
	308	if (allow_usb_joy && num_of_joys > 0) {
	309	// check the usb joy as well..
b3972d82	310	usbjoy_update();
720ee7f6	311	for (i = 0; i < num_of_joys; i++)
b3972d82	312	value \|= usbjoy_check(i);
720ee7f6	313	}
	314
	315	return value;
	316	}
	317
3f2aaff2	318	int gp2x_touchpad_read(int x, int y)
	319	{
	320	return -1;
	321	}
	322
720ee7f6	323	/* 940 */
	324	int crashed_940 = 0;
	325	void Pause940(int yes)
	326	{
	327	}
	328
8dfb9fd5	329	void Reset940(int yes, int bank)
720ee7f6	330	{
	331	}
	332
	333	/* faking gp2x cpuctrl.c */
	334	void cpuctrl_init(void)
	335	{
	336	}
	337
	338	void cpuctrl_deinit(void)
	339	{
	340	}
	341
	342	void set_FCLK(unsigned MHZ)
	343	{
	344	}
	345
	346	void Disable_940(void)
	347	{
	348	}
	349
	350	void gp2x_video_wait_vsync(void)
	351	{
	352	}
	353
	354	void set_RAM_Timings(int tRC, int tRAS, int tWR, int tMRD, int tRFC, int tRP, int tRCD)
	355	{
	356	}
	357
55a951dd	358	void set_gamma(int g100, int A_SNs_curve)
720ee7f6	359	{
	360	}
	361
59633198	362	void set_LCD_custom_rate(int rate)
	363	{
	364	}
	365
	366	void unset_LCD_custom_rate(void)
	367	{
	368	}
720ee7f6	369
	370	/* squidgehack.c */
	371	int mmuhack(void)
	372	{
	373	return 0;
	374	}
	375
	376
	377	int mmuunhack(void)
	378	{
	379	return 0;
	380	}
	381
	382
	383	/* misc */
	384	void spend_cycles(int c)
	385	{
46ede6a6	386	usleep(c/200);
720ee7f6	387	}
720ee7f6	388
6245d5a0	389	/* lprintf */
	390	void lprintf(const char *fmt, ...)
	391	{
	392	va_list vl;
720ee7f6	393
6245d5a0	394	va_start(vl, fmt);
	395	vprintf(fmt, vl);
	396	va_end(vl);
	397	}
720ee7f6	398