[libpicofe.git] / linux / emu.c

// (c) Copyright 2006-2009 notaz, All rights reserved.\r
// Free for non-commercial use.\r
\r
// For commercial use, separate licencing terms must be obtained.\r
\r
#include <stdio.h>\r
#include <unistd.h>\r
\r
#include "../common/emu.h"\r
#include "../common/menu.h"\r
#include "../common/plat.h"\r
#include "../common/arm_utils.h"\r
#include "../linux/sndout_oss.h"\r
#include "version.h"\r
\r
#include <pico/pico_int.h>\r
\r
\r
static short __attribute__((aligned(4))) sndBuffer[2*44100/50];\r
char cpu_clk_name[] = "unused";\r
\r
\r
void pemu_prep_defconfig(void)\r
{\r
}\r
\r
void pemu_validate_config(void)\r
{\r
	extern int PicoOpt;\r
//	PicoOpt &= ~POPT_EXT_FM;\r
	PicoOpt &= ~POPT_EN_SVP_DRC;\r
}\r
\r
// FIXME: dupes from GP2X, need cleanup\r
static void (*osd_text)(int x, int y, const char *text);\r
\r
/*\r
static void osd_text8(int x, int y, const char *text)\r
{\r
	int len = strlen(text)*8;\r
	int *p, i, h, offs;\r
\r
	len = (len+3) >> 2;\r
	for (h = 0; h < 8; h++) {\r
		offs = (x + g_screen_width * (y+h)) & ~3;\r
		p = (int *) ((char *)g_screen_ptr + offs);\r
		for (i = len; i; i--, p++)\r
			*p = 0xe0e0e0e0;\r
	}\r
	emu_text_out8(x, y, text);\r
}\r
*/\r
\r
static void osd_text16(int x, int y, const char *text)\r
{\r
	int len = strlen(text)*8;\r
	int *p, i, h, offs;\r
\r
	len = (len+1) >> 1;\r
	for (h = 0; h < 8; h++) {\r
		offs = (x + g_screen_width * (y+h)) & ~1;\r
		p = (int *) ((short *)g_screen_ptr + offs);\r
		for (i = len; i; i--, p++)\r
			*p = (*p >> 2) & 0x39e7;\r
	}\r
	emu_text_out16(x, y, text);\r
}\r
\r
static void draw_cd_leds(void)\r
{\r
	int led_reg, pitch, scr_offs, led_offs;\r
	led_reg = Pico_mcd->s68k_regs[0];\r
\r
	pitch = 320;\r
	led_offs = 4;\r
	scr_offs = pitch * 2 + 4;\r
\r
	if ((PicoOpt & POPT_ALT_RENDERER) || !(currentConfig.EmuOpt & EOPT_16BPP)) {\r
	#define p(x) px[(x) >> 2]\r
		// 8-bit modes\r
		unsigned int *px = (unsigned int *)((char *)g_screen_ptr + scr_offs);\r
		unsigned int col_g = (led_reg & 2) ? 0xc0c0c0c0 : 0xe0e0e0e0;\r
		unsigned int col_r = (led_reg & 1) ? 0xd0d0d0d0 : 0xe0e0e0e0;\r
		p(pitch*0) = p(pitch*1) = p(pitch*2) = col_g;\r
		p(pitch*0 + led_offs) = p(pitch*1 + led_offs) = p(pitch*2 + led_offs) = col_r;\r
	#undef p\r
	} else {\r
	#define p(x) px[(x)*2 >> 2] = px[((x)*2 >> 2) + 1]\r
		// 16-bit modes\r
		unsigned int *px = (unsigned int *)((short *)g_screen_ptr + scr_offs);\r
		unsigned int col_g = (led_reg & 2) ? 0x06000600 : 0;\r
		unsigned int col_r = (led_reg & 1) ? 0xc000c000 : 0;\r
		p(pitch*0) = p(pitch*1) = p(pitch*2) = col_g;\r
		p(pitch*0 + led_offs) = p(pitch*1 + led_offs) = p(pitch*2 + led_offs) = col_r;\r
	#undef p\r
	}\r
}\r
\r
static int EmuScanBegin16(unsigned int num)\r
{\r
	DrawLineDest = (unsigned short *)g_screen_ptr + num * g_screen_width;\r
\r
	return 0;\r
}\r
\r
void pemu_finalize_frame(const char *fps, const char *notice)\r
{\r
	if (notice || (currentConfig.EmuOpt & EOPT_SHOW_FPS)) {\r
		if (notice)\r
			osd_text(4, g_screen_height - 8, notice);\r
		if (currentConfig.EmuOpt & EOPT_SHOW_FPS)\r
			osd_text(g_screen_width - 60, g_screen_height - 8, fps);\r
	}\r
	if ((PicoAHW & PAHW_MCD) && (currentConfig.EmuOpt & EOPT_EN_CD_LEDS))\r
		draw_cd_leds();\r
}\r
\r
void plat_video_toggle_renderer(int is_next, int force_16bpp, int is_menu)\r
{\r
	// this will auto-select SMS/32X renderers\r
	PicoDrawSetColorFormat(1);\r
}\r
\r
void plat_video_menu_enter(int is_rom_loaded)\r
{\r
}\r
\r
void plat_video_menu_begin(void)\r
{\r
	memcpy32(g_screen_ptr, g_menubg_ptr, g_screen_width * g_screen_height * 2 / 4);\r
}\r
\r
void plat_video_menu_end(void)\r
{\r
	plat_video_flip();\r
}\r
\r
void plat_status_msg_clear(void)\r
{\r
	unsigned short *d = (unsigned short *)g_screen_ptr + g_screen_width * g_screen_height;\r
	int l = g_screen_width * 8;\r
	memset32((int *)(d - l), 0, l * 2 / 4);\r
}\r
\r
void plat_status_msg_busy_next(const char *msg)\r
{\r
	plat_status_msg_clear();\r
	pemu_finalize_frame("", msg);\r
	plat_video_flip();\r
	emu_status_msg("");\r
	reset_timing = 1;\r
}\r
\r
void plat_status_msg_busy_first(const char *msg)\r
{\r
//	memset32(g_screen_ptr, 0, g_screen_width * g_screen_height * 2 / 4);\r
	plat_status_msg_busy_next(msg);\r
}\r
\r
void plat_update_volume(int has_changed, int is_up)\r
{\r
}\r
\r
void pemu_forced_frame(int opts)\r
{\r
	int po_old = PicoOpt;\r
	int eo_old = currentConfig.EmuOpt;\r
\r
	PicoOpt &= ~POPT_ALT_RENDERER;\r
	PicoOpt |= opts|POPT_ACC_SPRITES; // acc_sprites\r
	currentConfig.EmuOpt |= EOPT_16BPP;\r
\r
	PicoDrawSetColorFormat(1);\r
	PicoScanBegin = EmuScanBegin16;\r
\r
	Pico.m.dirtyPal = 1;\r
	PicoFrameDrawOnly();\r
\r
	PicoOpt = po_old;\r
	currentConfig.EmuOpt = eo_old;\r
}\r
\r
static void updateSound(int len)\r
{\r
	len <<= 1;\r
	if (PicoOpt & POPT_EN_STEREO)\r
		len <<= 1;\r
\r
	if ((currentConfig.EmuOpt & EOPT_NO_FRMLIMIT) && !sndout_oss_can_write(len))\r
		return;\r
\r
	/* avoid writing audio when lagging behind to prevent audio lag */\r
	if (PicoSkipFrame != 2)\r
		sndout_oss_write(PsndOut, len);\r
}\r
\r
void pemu_sound_start(void)\r
{\r
	int target_fps = Pico.m.pal ? 50 : 60;\r
\r
	PsndOut = NULL;\r
\r
	if (currentConfig.EmuOpt & EOPT_EN_SOUND)\r
	{\r
		int snd_excess_add, frame_samples;\r
		int is_stereo = (PicoOpt & POPT_EN_STEREO) ? 1 : 0;\r
\r
		PsndRerate(Pico.m.frame_count ? 1 : 0);\r
\r
		frame_samples = PsndLen;\r
		snd_excess_add = ((PsndRate - PsndLen * target_fps)<<16) / target_fps;\r
		if (snd_excess_add != 0)\r
			frame_samples++;\r
\r
		printf("starting audio: %i len: %i (ex: %04x) stereo: %i, pal: %i\n",\r
			PsndRate, PsndLen, snd_excess_add, is_stereo, Pico.m.pal);\r
		sndout_oss_start(PsndRate, frame_samples, is_stereo);\r
		sndout_oss_setvol(currentConfig.volume, currentConfig.volume);\r
		PicoWriteSound = updateSound;\r
		plat_update_volume(0, 0);\r
		memset(sndBuffer, 0, sizeof(sndBuffer));\r
		PsndOut = sndBuffer;\r
	}\r
}\r
\r
void pemu_sound_stop(void)\r
{\r
}\r
\r
void pemu_sound_wait(void)\r
{\r
	// don't need to do anything, writes will block by themselves\r
}\r
\r
void plat_debug_cat(char *str)\r
{\r
}\r
\r
void emu_video_mode_change(int start_line, int line_count, int is_32cols)\r
{\r
	// clear whole screen in all buffers\r
	memset32(g_screen_ptr, 0, g_screen_width * g_screen_height * 2 / 4);\r
}\r
\r
void pemu_loop_prep(void)\r
{\r
	PicoDrawSetColorFormat(1);\r
	PicoScanBegin = EmuScanBegin16;\r
	osd_text = osd_text16;\r
\r
	pemu_sound_start();\r
}\r
\r
void pemu_loop_end(void)\r
{\r
	int po_old = PicoOpt;\r
	int eo_old = currentConfig.EmuOpt;\r
\r
	pemu_sound_stop();\r
	memset32(g_screen_ptr, 0, g_screen_width * g_screen_height * 2 / 4);\r
\r
	/* do one more frame for menu bg */\r
	PicoOpt &= ~POPT_ALT_RENDERER;\r
	PicoOpt |= POPT_EN_SOFTSCALE|POPT_ACC_SPRITES;\r
	currentConfig.EmuOpt |= EOPT_16BPP;\r
\r
	PicoDrawSetColorFormat(1);\r
	Pico.m.dirtyPal = 1;\r
	PicoFrame();\r
\r
	PicoOpt = po_old;\r
	currentConfig.EmuOpt = eo_old;\r
}\r
\r
void plat_wait_till_us(unsigned int us_to)\r
{\r
	unsigned int now;\r
\r
	now = plat_get_ticks_us();\r
\r
	while ((signed int)(us_to - now) > 512)\r
	{\r
		usleep(1024);\r
		now = plat_get_ticks_us();\r
	}\r
}\r
\r
const char *plat_get_credits(void)\r
{\r
	return "PicoDrive v" VERSION " (c) notaz, 2006-2009\n\n\n"\r
		"Credits:\n"\r
		"fDave: Cyclone 68000 core,\n"\r
		"      base code of PicoDrive\n"\r
		"Reesy & FluBBa: DrZ80 core\n"\r
		"MAME devs: YM2612 and SN76496 cores\n"\r
		"rlyeh and others: minimal SDK\n"\r
		"Squidge: mmuhack\n"\r
		"Dzz: ARM940 sample\n"\r
		"GnoStiC / Puck2099: USB joy code\n"\r
		"craigix: GP2X hardware\n"\r
		"ketchupgun: skin design\n"\r
		"\n"\r
		"special thanks (for docs, ideas):\n"\r
		" Charles MacDonald, Haze,\n"\r
		" Stephane Dallongeville,\n"\r
		" Lordus, Exophase, Rokas,\n"\r
		" Nemesis, Tasco Deluxe";\r
}\r
Commit	Line	Data
d2f29611	1	// (c) Copyright 2006-2009 notaz, All rights reserved.\r
	2	// Free for non-commercial use.\r
	3	\r
	4	// For commercial use, separate licencing terms must be obtained.\r
	5	\r
	6	#include <stdio.h>\r
	7	#include <unistd.h>\r
	8	\r
	9	#include "../common/emu.h"\r
	10	#include "../common/menu.h"\r
	11	#include "../common/plat.h"\r
	12	#include "../common/arm_utils.h"\r
	13	#include "../linux/sndout_oss.h"\r
	14	#include "version.h"\r
	15	\r
	16	#include <pico/pico_int.h>\r
	17	\r
	18	\r
	19	static short __attribute__((aligned(4))) sndBuffer[2*44100/50];\r
d2f29611	20	char cpu_clk_name[] = "unused";\r
d2f29611	21	\r
d2f29611	22	\r
	23	void pemu_prep_defconfig(void)\r
	24	{\r
d2f29611	25	}\r
	26	\r
	27	void pemu_validate_config(void)\r
	28	{\r
	29	extern int PicoOpt;\r
	30	// PicoOpt &= ~POPT_EXT_FM;\r
	31	PicoOpt &= ~POPT_EN_SVP_DRC;\r
	32	}\r
	33	\r
	34	// FIXME: dupes from GP2X, need cleanup\r
	35	static void (osd_text)(int x, int y, const char text);\r
	36	\r
b188c2b6	37	/*\r
d2f29611	38	static void osd_text8(int x, int y, const char *text)\r
	39	{\r
	40	int len = strlen(text)*8;\r
	41	int *p, i, h, offs;\r
	42	\r
	43	len = (len+3) >> 2;\r
	44	for (h = 0; h < 8; h++) {\r
	45	offs = (x + g_screen_width * (y+h)) & ~3;\r
	46	p = (int ) ((char )g_screen_ptr + offs);\r
	47	for (i = len; i; i--, p++)\r
	48	*p = 0xe0e0e0e0;\r
	49	}\r
	50	emu_text_out8(x, y, text);\r
	51	}\r
b188c2b6	52	*/\r
d2f29611	53	\r
	54	static void osd_text16(int x, int y, const char *text)\r
	55	{\r
	56	int len = strlen(text)*8;\r
	57	int *p, i, h, offs;\r
	58	\r
	59	len = (len+1) >> 1;\r
	60	for (h = 0; h < 8; h++) {\r
	61	offs = (x + g_screen_width * (y+h)) & ~1;\r
	62	p = (int ) ((short )g_screen_ptr + offs);\r
	63	for (i = len; i; i--, p++)\r
	64	p = (p >> 2) & 0x39e7;\r
	65	}\r
	66	emu_text_out16(x, y, text);\r
	67	}\r
	68	\r
	69	static void draw_cd_leds(void)\r
	70	{\r
	71	int led_reg, pitch, scr_offs, led_offs;\r
	72	led_reg = Pico_mcd->s68k_regs[0];\r
	73	\r
	74	pitch = 320;\r
	75	led_offs = 4;\r
	76	scr_offs = pitch * 2 + 4;\r
	77	\r
	78	if ((PicoOpt & POPT_ALT_RENDERER) \|\| !(currentConfig.EmuOpt & EOPT_16BPP)) {\r
	79	#define p(x) px[(x) >> 2]\r
	80	// 8-bit modes\r
	81	unsigned int px = (unsigned int )((char *)g_screen_ptr + scr_offs);\r
	82	unsigned int col_g = (led_reg & 2) ? 0xc0c0c0c0 : 0xe0e0e0e0;\r
	83	unsigned int col_r = (led_reg & 1) ? 0xd0d0d0d0 : 0xe0e0e0e0;\r
	84	p(pitch0) = p(pitch1) = p(pitch*2) = col_g;\r
	85	p(pitch0 + led_offs) = p(pitch1 + led_offs) = p(pitch*2 + led_offs) = col_r;\r
	86	#undef p\r
	87	} else {\r
	88	#define p(x) px[(x)2 >> 2] = px[((x)2 >> 2) + 1]\r
	89	// 16-bit modes\r
	90	unsigned int px = (unsigned int )((short *)g_screen_ptr + scr_offs);\r
	91	unsigned int col_g = (led_reg & 2) ? 0x06000600 : 0;\r
	92	unsigned int col_r = (led_reg & 1) ? 0xc000c000 : 0;\r
	93	p(pitch0) = p(pitch1) = p(pitch*2) = col_g;\r
	94	p(pitch0 + led_offs) = p(pitch1 + led_offs) = p(pitch*2 + led_offs) = col_r;\r
	95	#undef p\r
	96	}\r
	97	}\r
	98	\r
	99	static int EmuScanBegin16(unsigned int num)\r
	100	{\r
	101	DrawLineDest = (unsigned short )g_screen_ptr + num g_screen_width;\r
	102	\r
	103	return 0;\r
	104	}\r
	105	\r
b188c2b6	106	void pemu_finalize_frame(const char fps, const char notice)\r
d2f29611	107	{\r
	108	if (notice \|\| (currentConfig.EmuOpt & EOPT_SHOW_FPS)) {\r
	109	if (notice)\r
	110	osd_text(4, g_screen_height - 8, notice);\r
	111	if (currentConfig.EmuOpt & EOPT_SHOW_FPS)\r
b188c2b6	112	osd_text(g_screen_width - 60, g_screen_height - 8, fps);\r
d2f29611	113	}\r
	114	if ((PicoAHW & PAHW_MCD) && (currentConfig.EmuOpt & EOPT_EN_CD_LEDS))\r
	115	draw_cd_leds();\r
d2f29611	116	}\r
	117	\r
	118	void plat_video_toggle_renderer(int is_next, int force_16bpp, int is_menu)\r
	119	{\r
	120	// this will auto-select SMS/32X renderers\r
	121	PicoDrawSetColorFormat(1);\r
	122	}\r
	123	\r
	124	void plat_video_menu_enter(int is_rom_loaded)\r
	125	{\r
	126	}\r
	127	\r
	128	void plat_video_menu_begin(void)\r
	129	{\r
	130	memcpy32(g_screen_ptr, g_menubg_ptr, g_screen_width * g_screen_height * 2 / 4);\r
	131	}\r
	132	\r
	133	void plat_video_menu_end(void)\r
	134	{\r
b188c2b6	135	plat_video_flip();\r
d2f29611	136	}\r
	137	\r
	138	void plat_status_msg_clear(void)\r
	139	{\r
	140	unsigned short d = (unsigned short )g_screen_ptr + g_screen_width * g_screen_height;\r
	141	int l = g_screen_width * 8;\r
	142	memset32((int )(d - l), 0, l 2 / 4);\r
	143	}\r
	144	\r
	145	void plat_status_msg_busy_next(const char *msg)\r
	146	{\r
	147	plat_status_msg_clear();\r
b188c2b6	148	pemu_finalize_frame("", msg);\r
b188c2b6	149	plat_video_flip();\r
d2f29611	150	emu_status_msg("");\r
	151	reset_timing = 1;\r
	152	}\r
	153	\r
	154	void plat_status_msg_busy_first(const char *msg)\r
	155	{\r
	156	// memset32(g_screen_ptr, 0, g_screen_width * g_screen_height * 2 / 4);\r
	157	plat_status_msg_busy_next(msg);\r
	158	}\r
	159	\r
	160	void plat_update_volume(int has_changed, int is_up)\r
	161	{\r
	162	}\r
	163	\r
	164	void pemu_forced_frame(int opts)\r
	165	{\r
	166	int po_old = PicoOpt;\r
	167	int eo_old = currentConfig.EmuOpt;\r
	168	\r
	169	PicoOpt &= ~POPT_ALT_RENDERER;\r
	170	PicoOpt \|= opts\|POPT_ACC_SPRITES; // acc_sprites\r
	171	currentConfig.EmuOpt \|= EOPT_16BPP;\r
	172	\r
	173	PicoDrawSetColorFormat(1);\r
	174	PicoScanBegin = EmuScanBegin16;\r
	175	\r
	176	Pico.m.dirtyPal = 1;\r
	177	PicoFrameDrawOnly();\r
	178	\r
	179	PicoOpt = po_old;\r
	180	currentConfig.EmuOpt = eo_old;\r
	181	}\r
	182	\r
	183	static void updateSound(int len)\r
	184	{\r
	185	len <<= 1;\r
	186	if (PicoOpt & POPT_EN_STEREO)\r
	187	len <<= 1;\r
	188	\r
	189	if ((currentConfig.EmuOpt & EOPT_NO_FRMLIMIT) && !sndout_oss_can_write(len))\r
	190	return;\r
	191	\r
	192	/* avoid writing audio when lagging behind to prevent audio lag */\r
	193	if (PicoSkipFrame != 2)\r
	194	sndout_oss_write(PsndOut, len);\r
	195	}\r
	196	\r
	197	void pemu_sound_start(void)\r
	198	{\r
d2f29611	199	int target_fps = Pico.m.pal ? 50 : 60;\r
	200	\r
	201	PsndOut = NULL;\r
	202	\r
	203	if (currentConfig.EmuOpt & EOPT_EN_SOUND)\r
	204	{\r
b188c2b6	205	int snd_excess_add, frame_samples;\r
	206	int is_stereo = (PicoOpt & POPT_EN_STEREO) ? 1 : 0;\r
	207	\r
	208	PsndRerate(Pico.m.frame_count ? 1 : 0);\r
	209	\r
	210	frame_samples = PsndLen;\r
	211	snd_excess_add = ((PsndRate - PsndLen * target_fps)<<16) / target_fps;\r
	212	if (snd_excess_add != 0)\r
	213	frame_samples++;\r
d2f29611	214	\r
d2f29611	215	printf("starting audio: %i len: %i (ex: %04x) stereo: %i, pal: %i\n",\r
b188c2b6	216	PsndRate, PsndLen, snd_excess_add, is_stereo, Pico.m.pal);\r
b188c2b6	217	sndout_oss_start(PsndRate, frame_samples, is_stereo);\r
d2f29611	218	sndout_oss_setvol(currentConfig.volume, currentConfig.volume);\r
	219	PicoWriteSound = updateSound;\r
	220	plat_update_volume(0, 0);\r
	221	memset(sndBuffer, 0, sizeof(sndBuffer));\r
	222	PsndOut = sndBuffer;\r
d2f29611	223	}\r
	224	}\r
	225	\r
	226	void pemu_sound_stop(void)\r
	227	{\r
	228	}\r
	229	\r
	230	void pemu_sound_wait(void)\r
	231	{\r
	232	// don't need to do anything, writes will block by themselves\r
	233	}\r
	234	\r
	235	void plat_debug_cat(char *str)\r
	236	{\r
	237	}\r
	238	\r
	239	void emu_video_mode_change(int start_line, int line_count, int is_32cols)\r
	240	{\r
d2f29611	241	// clear whole screen in all buffers\r
	242	memset32(g_screen_ptr, 0, g_screen_width * g_screen_height * 2 / 4);\r
	243	}\r
	244	\r
	245	void pemu_loop_prep(void)\r
	246	{\r
	247	PicoDrawSetColorFormat(1);\r
	248	PicoScanBegin = EmuScanBegin16;\r
	249	osd_text = osd_text16;\r
	250	\r
	251	pemu_sound_start();\r
	252	}\r
	253	\r
	254	void pemu_loop_end(void)\r
	255	{\r
	256	int po_old = PicoOpt;\r
	257	int eo_old = currentConfig.EmuOpt;\r
	258	\r
	259	pemu_sound_stop();\r
	260	memset32(g_screen_ptr, 0, g_screen_width * g_screen_height * 2 / 4);\r
	261	\r
	262	/* do one more frame for menu bg */\r
	263	PicoOpt &= ~POPT_ALT_RENDERER;\r
	264	PicoOpt \|= POPT_EN_SOFTSCALE\|POPT_ACC_SPRITES;\r
	265	currentConfig.EmuOpt \|= EOPT_16BPP;\r
	266	\r
	267	PicoDrawSetColorFormat(1);\r
	268	Pico.m.dirtyPal = 1;\r
	269	PicoFrame();\r
	270	\r
	271	PicoOpt = po_old;\r
	272	currentConfig.EmuOpt = eo_old;\r
	273	}\r
	274	\r
	275	void plat_wait_till_us(unsigned int us_to)\r
	276	{\r
	277	unsigned int now;\r
	278	\r
	279	now = plat_get_ticks_us();\r
	280	\r
	281	while ((signed int)(us_to - now) > 512)\r
	282	{\r
	283	usleep(1024);\r
	284	now = plat_get_ticks_us();\r
	285	}\r
	286	}\r
	287	\r
d2f29611	288	const char *plat_get_credits(void)\r
	289	{\r
	290	return "PicoDrive v" VERSION " (c) notaz, 2006-2009\n\n\n"\r
	291	"Credits:\n"\r
	292	"fDave: Cyclone 68000 core,\n"\r
	293	" base code of PicoDrive\n"\r
	294	"Reesy & FluBBa: DrZ80 core\n"\r
	295	"MAME devs: YM2612 and SN76496 cores\n"\r
	296	"rlyeh and others: minimal SDK\n"\r
	297	"Squidge: mmuhack\n"\r
	298	"Dzz: ARM940 sample\n"\r
	299	"GnoStiC / Puck2099: USB joy code\n"\r
	300	"craigix: GP2X hardware\n"\r
	301	"ketchupgun: skin design\n"\r
	302	"\n"\r
	303	"special thanks (for docs, ideas):\n"\r
	304	" Charles MacDonald, Haze,\n"\r
	305	" Stephane Dallongeville,\n"\r
	306	" Lordus, Exophase, Rokas,\n"\r
	307	" Nemesis, Tasco Deluxe";\r
	308	}\r