[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 "../common/emu.h"
#include "sndout_oss.h"

#include "log_io.h"

unsigned long current_keys = 0;
static int current_bpp = 8;
static int current_pal[256];
static const char *verstring = "PicoDrive " VERSION;
static int scr_changed = 0, scr_w = SCREEN_WIDTH, scr_h = SCREEN_HEIGHT;

// 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 ();
}

/* faking GP2X pad */
enum  { GP2X_UP=0x1,       GP2X_LEFT=0x4,       GP2X_DOWN=0x10,  GP2X_RIGHT=0x40,
        GP2X_START=1<<8,   GP2X_SELECT=1<<9,    GP2X_L=1<<10,    GP2X_R=1<<11,
        GP2X_A=1<<12,      GP2X_B=1<<13,        GP2X_X=1<<14,    GP2X_Y=1<<15,
        GP2X_VOL_UP=1<<23, GP2X_VOL_DOWN=1<<22, GP2X_PUSH=1<<27 };

static gint key_press_event (GtkWidget *widget, GdkEventKey *event)
{
	switch (event->hardware_keycode)
	{
		case 111:
		case 0x62: current_keys |= GP2X_UP;    break;
		case 116:
		case 0x68: current_keys |= GP2X_DOWN;  break;
		case 113:
		case 0x64: current_keys |= GP2X_LEFT;  break;
		case 114:
		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 111:
		case 0x62: current_keys &= ~GP2X_UP;    break;
		case 116:
		case 0x68: current_keys &= ~GP2X_DOWN;  break;
		case 113:
		case 0x64: current_keys &= ~GP2X_LEFT;  break;
		case 114:
		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 size_allocate_event(GtkWidget *widget, GtkAllocation *allocation, gpointer user_data)
{
	// printf("%dx%d\n", allocation->width, allocation->height);
	if (scr_w != allocation->width - 2 || scr_h != allocation->height - 2) {
		scr_w = allocation->width - 2;
		scr_h = allocation->height - 2;
		scr_changed = 1;
	}
}

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);

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

	gtk_container_set_border_width (GTK_CONTAINER (gtk_items.window), 1);
	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);
}

/* --- */

static void realloc_screen(void)
{
	void *old = g_screen_ptr;
	g_screen_width = scr_w;
	g_screen_height = scr_h;
	g_screen_ptr = calloc(g_screen_width * g_screen_height * 2, 1);
	free(old);
	scr_changed = 0;
}

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

	realloc_screen();
	memset(g_screen_ptr, 0, g_screen_width * g_screen_height * 2);

	// snd
	sndout_oss_init();

	gtk_initf();

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

void gp2x_deinit(void)
{
	free(g_screen_ptr);
	sndout_oss_exit();
}

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

	pixel_count = g_screen_width * g_screen_height;

	gdk_threads_enter();

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

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

		for (i = 0; i < pixel_count; 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 = g_screen_ptr;

		for (i = 0; i < pixel_count; 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, g_screen_width, g_screen_height,
			g_screen_width * 3, finalize_image, NULL);
	gtk_image_set_from_pixbuf (GTK_IMAGE (gtk_items.pixmap1), pixbuf);
	g_object_unref (pixbuf);

	gdk_threads_leave();

	if (scr_changed)
		realloc_screen();
}

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 *)g_screen_ptr + offset != data)
		memcpy((char *)g_screen_ptr + offset, data, len);
}

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


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

void gp2x_pd_clone_buffer2(void)
{
	memset(g_screen_ptr, 0, g_screen_width * g_screen_height * 2);
}

/* joy */
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"
e31266dd	18	#include "../common/emu.h"
b3972d82	19	#include "sndout_oss.h"
720ee7f6	20
15b55b4e	21	#include "log_io.h"
15b55b4e	22
13b692eb	23	unsigned long current_keys = 0;
720ee7f6	24	static int current_bpp = 8;
720ee7f6	25	static int current_pal[256];
720ee7f6	26	static const char *verstring = "PicoDrive " VERSION;
e31266dd	27	static int scr_changed = 0, scr_w = SCREEN_WIDTH, scr_h = SCREEN_HEIGHT;
720ee7f6	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
82abf46f	51	/* faking GP2X pad */
	52	enum { GP2X_UP=0x1, GP2X_LEFT=0x4, GP2X_DOWN=0x10, GP2X_RIGHT=0x40,
	53	GP2X_START=1<<8, GP2X_SELECT=1<<9, GP2X_L=1<<10, GP2X_R=1<<11,
	54	GP2X_A=1<<12, GP2X_B=1<<13, GP2X_X=1<<14, GP2X_Y=1<<15,
	55	GP2X_VOL_UP=1<<23, GP2X_VOL_DOWN=1<<22, GP2X_PUSH=1<<27 };
	56
720ee7f6	57	static gint key_press_event (GtkWidget widget, GdkEventKey event)
	58	{
	59	switch (event->hardware_keycode)
	60	{
13b692eb	61	case 111:
720ee7f6	62	case 0x62: current_keys \|= GP2X_UP; break;
13b692eb	63	case 116:
720ee7f6	64	case 0x68: current_keys \|= GP2X_DOWN; break;
13b692eb	65	case 113:
720ee7f6	66	case 0x64: current_keys \|= GP2X_LEFT; break;
13b692eb	67	case 114:
720ee7f6	68	case 0x66: current_keys \|= GP2X_RIGHT; break;
	69	case 0x24: current_keys \|= GP2X_START; break; // enter
	70	case 0x23: current_keys \|= GP2X_SELECT;break; // ]
	71	case 0x34: current_keys \|= GP2X_A; break; // z
	72	case 0x35: current_keys \|= GP2X_X; break; // x
	73	case 0x36: current_keys \|= GP2X_B; break; // c
	74	case 0x37: current_keys \|= GP2X_Y; break; // v
	75	case 0x27: current_keys \|= GP2X_L; break; // s
	76	case 0x28: current_keys \|= GP2X_R; break; // d
	77	case 0x29: current_keys \|= GP2X_PUSH; break; // f
	78	case 0x18: current_keys \|= GP2X_VOL_DOWN;break; // q
	79	case 0x19: current_keys \|= GP2X_VOL_UP;break; // w
15b55b4e	80	case 0x2d: log_io_clear(); break; // k
15b55b4e	81	case 0x2e: log_io_dump(); break; // l
6999d7eb	82	case 0x17: { // tab
	83	extern int PicoReset(void);
	84	PicoReset();
	85	break;
	86	}
720ee7f6	87	}
	88
	89	return 0;
	90	}
	91
	92	static gint key_release_event (GtkWidget widget, GdkEventKey event)
	93	{
	94	switch (event->hardware_keycode)
	95	{
13b692eb	96	case 111:
720ee7f6	97	case 0x62: current_keys &= ~GP2X_UP; break;
13b692eb	98	case 116:
720ee7f6	99	case 0x68: current_keys &= ~GP2X_DOWN; break;
13b692eb	100	case 113:
720ee7f6	101	case 0x64: current_keys &= ~GP2X_LEFT; break;
13b692eb	102	case 114:
720ee7f6	103	case 0x66: current_keys &= ~GP2X_RIGHT; break;
	104	case 0x24: current_keys &= ~GP2X_START; break; // enter
	105	case 0x23: current_keys &= ~GP2X_SELECT;break; // ]
	106	case 0x34: current_keys &= ~GP2X_A; break; // z
	107	case 0x35: current_keys &= ~GP2X_X; break; // x
	108	case 0x36: current_keys &= ~GP2X_B; break; // c
	109	case 0x37: current_keys &= ~GP2X_Y; break; // v
	110	case 0x27: current_keys &= ~GP2X_L; break; // s
	111	case 0x28: current_keys &= ~GP2X_R; break; // d
	112	case 0x29: current_keys &= ~GP2X_PUSH; break; // f
	113	case 0x18: current_keys &= ~GP2X_VOL_DOWN;break; // q
	114	case 0x19: current_keys &= ~GP2X_VOL_UP;break; // w
	115	}
	116
	117	return 0;
	118	}
	119
73a85369	120	static void size_allocate_event(GtkWidget widget, GtkAllocation allocation, gpointer user_data)
73a85369	121	{
e31266dd	122	// printf("%dx%d\n", allocation->width, allocation->height);
44bfd52f	123	if (scr_w != allocation->width - 2 \|\| scr_h != allocation->height - 2) {
	124	scr_w = allocation->width - 2;
	125	scr_h = allocation->height - 2;
	126	scr_changed = 1;
	127	}
73a85369	128	}
73a85369	129
0d9652b5	130	static void gtk_threadf(void targ)
720ee7f6	131	{
	132	int argc = 0;
	133	char *argv[] = { "" };
	134	GtkWidget *box;
0d9652b5	135	sem_t *sem = targ;
720ee7f6	136
	137	g_thread_init (NULL);
	138	gdk_threads_init ();
	139	gdk_set_locale ();
	140	gtk_init (&argc, (char ***) &argv);
	141
	142	/* create new window */
	143	gtk_items.window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
	144	g_signal_connect (G_OBJECT (gtk_items.window), "delete_event",
	145	G_CALLBACK (delete_event), NULL);
	146
	147	g_signal_connect (G_OBJECT (gtk_items.window), "destroy",
	148	G_CALLBACK (destroy), NULL);
	149
	150	g_signal_connect (G_OBJECT (gtk_items.window), "key_press_event",
	151	G_CALLBACK (key_press_event), NULL);
	152
	153	g_signal_connect (G_OBJECT (gtk_items.window), "key_release_event",
	154	G_CALLBACK (key_release_event), NULL);
	155
73a85369	156	g_signal_connect (G_OBJECT (gtk_items.window), "size_allocate",
	157	G_CALLBACK (size_allocate_event), NULL);
	158
e31266dd	159	gtk_container_set_border_width (GTK_CONTAINER (gtk_items.window), 1);
720ee7f6	160	gtk_window_set_title ((GtkWindow *) gtk_items.window, verstring);
	161
	162	box = gtk_hbox_new(FALSE, 0);
	163	gtk_widget_show(box);
	164	gtk_container_add (GTK_CONTAINER (gtk_items.window), box);
	165
	166	/* live pixmap */
	167	gtk_items.pixmap1 = gtk_image_new ();
	168	gtk_container_add (GTK_CONTAINER (box), gtk_items.pixmap1);
	169	gtk_widget_show (gtk_items.pixmap1);
	170	gtk_widget_set_size_request (gtk_items.pixmap1, 320, 240);
	171
	172	gtk_widget_show (gtk_items.window);
	173
0d9652b5	174	sem_post(sem);
	175
	176	gtk_main();
	177
	178	printf("linux: gtk thread finishing\n");
	179	exit(1);
	180
	181	return NULL;
	182	}
	183
	184	static void gtk_initf(void)
	185	{
	186	pthread_t gtk_thread;
	187	sem_t sem;
	188	sem_init(&sem, 0, 0);
	189
	190	pthread_create(&gtk_thread, NULL, gtk_threadf, &sem);
	191	pthread_detach(gtk_thread);
720ee7f6	192
0d9652b5	193	sem_wait(&sem);
0d9652b5	194	sem_close(&sem);
720ee7f6	195	}
	196
	197	void finalize_image(guchar *pixels, gpointer data)
	198	{
	199	free(pixels);
	200	}
	201
	202	/* --- */
	203
e31266dd	204	static void realloc_screen(void)
	205	{
	206	void *old = g_screen_ptr;
	207	g_screen_width = scr_w;
	208	g_screen_height = scr_h;
44bfd52f	209	g_screen_ptr = calloc(g_screen_width * g_screen_height * 2, 1);
e31266dd	210	free(old);
	211	scr_changed = 0;
	212	}
	213
720ee7f6	214	void gp2x_init(void)
	215	{
	216	printf("entering init()\n"); fflush(stdout);
	217
e31266dd	218	realloc_screen();
e31266dd	219	memset(g_screen_ptr, 0, g_screen_width * g_screen_height * 2);
720ee7f6	220
720ee7f6	221	// snd
b3972d82	222	sndout_oss_init();
720ee7f6	223
	224	gtk_initf();
	225
720ee7f6	226	printf("exitting init()\n"); fflush(stdout);
	227	}
	228
	229	void gp2x_deinit(void)
	230	{
e31266dd	231	free(g_screen_ptr);
b3972d82	232	sndout_oss_exit();
720ee7f6	233	}
	234
	235	/* video */
	236	void gp2x_video_flip(void)
	237	{
	238	GdkPixbuf *pixbuf;
	239	unsigned char *image;
e31266dd	240	int pixel_count, i;
	241
	242	pixel_count = g_screen_width * g_screen_height;
720ee7f6	243
	244	gdk_threads_enter();
	245
e31266dd	246	image = malloc(pixel_count * 3);
720ee7f6	247	if (image == NULL)
	248	{
	249	gdk_threads_leave();
	250	return;
	251	}
	252
	253	if (current_bpp == 8)
	254	{
e31266dd	255	unsigned char *pixels = g_screen_ptr;
720ee7f6	256	int pix;
720ee7f6	257
e31266dd	258	for (i = 0; i < pixel_count; i++)
720ee7f6	259	{
	260	pix = current_pal[pixels[i]];
	261	image[3 * i + 0] = pix >> 16;
	262	image[3 * i + 1] = pix >> 8;
	263	image[3 * i + 2] = pix;
	264	}
	265	}
	266	else
	267	{
e31266dd	268	unsigned short *pixels = g_screen_ptr;
720ee7f6	269
e31266dd	270	for (i = 0; i < pixel_count; i++)
720ee7f6	271	{
	272	/* in: rrrr rggg gggb bbbb */
	273	/* out: rrrr r000 gggg gg00 bbbb b000 */
	274	image[3 * i + 0] = (pixels[i] >> 8) & 0xf8;
	275	image[3 * i + 1] = (pixels[i] >> 3) & 0xfc;
	276	image[3 * i + 2] = (pixels[i] << 3);
	277	}
	278	}
	279
	280	pixbuf = gdk_pixbuf_new_from_data (image, GDK_COLORSPACE_RGB,
e31266dd	281	FALSE, 8, g_screen_width, g_screen_height,
e31266dd	282	g_screen_width * 3, finalize_image, NULL);
720ee7f6	283	gtk_image_set_from_pixbuf (GTK_IMAGE (gtk_items.pixmap1), pixbuf);
	284	g_object_unref (pixbuf);
	285
	286	gdk_threads_leave();
e31266dd	287
	288	if (scr_changed)
	289	realloc_screen();
720ee7f6	290	}
720ee7f6	291
e5d315a5	292	void gp2x_video_flip2(void)
	293	{
	294	gp2x_video_flip();
	295	}
	296
720ee7f6	297	void gp2x_video_changemode(int bpp)
	298	{
	299	current_bpp = bpp;
	300	}
	301
e5d315a5	302	void gp2x_video_changemode2(int bpp)
	303	{
	304	current_bpp = bpp;
	305	}
	306
720ee7f6	307	void gp2x_video_setpalette(int *pal, int len)
	308	{
	309	memcpy(current_pal, pal, len*4);
	310	}
	311
13059a60	312	void gp2x_video_flush_cache(void)
	313	{
	314	}
	315
79cad122	316	void gp2x_video_RGB_setscaling(int v_offs, int W, int H)
720ee7f6	317	{
	318	}
	319
dccc2bd0	320	void gp2x_memcpy_buffers(int buffers, void *data, int offset, int len)
dccc2bd0	321	{
e31266dd	322	if ((char *)g_screen_ptr + offset != data)
e31266dd	323	memcpy((char *)g_screen_ptr + offset, data, len);
dccc2bd0	324	}
dccc2bd0	325
720ee7f6	326	void gp2x_memcpy_all_buffers(void *data, int offset, int len)
720ee7f6	327	{
e31266dd	328	memcpy((char *)g_screen_ptr + offset, data, len);
720ee7f6	329	}
	330
	331
	332	void gp2x_memset_all_buffers(int offset, int byte, int len)
	333	{
e31266dd	334	memset((char *)g_screen_ptr + offset, byte, len);
720ee7f6	335	}
720ee7f6	336
e5d315a5	337	void gp2x_pd_clone_buffer2(void)
e5d315a5	338	{
e31266dd	339	memset(g_screen_ptr, 0, g_screen_width * g_screen_height * 2);
e5d315a5	340	}
720ee7f6	341
720ee7f6	342	/* joy */
3f2aaff2	343	int gp2x_touchpad_read(int x, int y)
	344	{
	345	return -1;
	346	}
	347
720ee7f6	348	/* 940 */
	349	int crashed_940 = 0;
	350	void Pause940(int yes)
	351	{
	352	}
	353
8dfb9fd5	354	void Reset940(int yes, int bank)
720ee7f6	355	{
	356	}
	357
	358	/* faking gp2x cpuctrl.c */
	359	void cpuctrl_init(void)
	360	{
	361	}
	362
	363	void cpuctrl_deinit(void)
	364	{
	365	}
	366
	367	void set_FCLK(unsigned MHZ)
	368	{
	369	}
	370
	371	void Disable_940(void)
	372	{
	373	}
	374
	375	void gp2x_video_wait_vsync(void)
	376	{
	377	}
	378
	379	void set_RAM_Timings(int tRC, int tRAS, int tWR, int tMRD, int tRFC, int tRP, int tRCD)
	380	{
	381	}
	382
55a951dd	383	void set_gamma(int g100, int A_SNs_curve)
720ee7f6	384	{
	385	}
	386
59633198	387	void set_LCD_custom_rate(int rate)
	388	{
	389	}
	390
	391	void unset_LCD_custom_rate(void)
	392	{
	393	}
720ee7f6	394
	395	/* squidgehack.c */
	396	int mmuhack(void)
	397	{
	398	return 0;
	399	}
	400
	401
	402	int mmuunhack(void)
	403	{
	404	return 0;
	405	}
	406
	407
	408	/* misc */
	409	void spend_cycles(int c)
	410	{
46ede6a6	411	usleep(c/200);
720ee7f6	412	}
720ee7f6	413
6245d5a0	414	/* lprintf */
	415	void lprintf(const char *fmt, ...)
	416	{
	417	va_list vl;
720ee7f6	418
6245d5a0	419	va_start(vl, fmt);
	420	vprintf(fmt, vl);
	421	va_end(vl);
	422	}
720ee7f6	423