[picodrive.git] / platform / linux / emu.c

/*\r
 * PicoDrive\r
 * (C) notaz, 2006-2010\r
 *\r
 * This work is licensed under the terms of MAME license.\r
 * See COPYING file in the top-level directory.\r
 */\r
\r
#include <stdio.h>\r
#include <unistd.h>\r
\r
#include "../libpicofe/menu.h"\r
#include "../libpicofe/plat.h"\r
#include "../common/emu.h"\r
#include "../common/arm_utils.h"\r
#include "../common/version.h"\r
\r
#include <pico/pico_int.h>\r
\r
\r
const char *renderer_names[] = { "16bit accurate", " 8bit accurate", " 8bit fast", NULL };\r
const char *renderer_names32x[] = { "accurate", "faster", "fastest", NULL };\r
enum renderer_types { RT_16BIT, RT_8BIT_ACC, RT_8BIT_FAST, RT_COUNT };\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
#ifndef __arm__\r
	PicoOpt &= ~POPT_EN_DRC;\r
#endif\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 (currentConfig.renderer != RT_16BIT) {\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
void pemu_finalize_frame(const char *fps, const char *notice)\r
{\r
	if (currentConfig.renderer != RT_16BIT && !(PicoAHW & PAHW_32X)) {\r
		unsigned short *pd = (unsigned short *)g_screen_ptr + 8 * g_screen_width;\r
		unsigned char *ps = Pico.est.Draw2FB + 328*8 + 8;\r
		unsigned short *pal = Pico.est.HighPal;\r
		int i, x;\r
		if (Pico.m.dirtyPal)\r
			PicoDrawUpdateHighPal();\r
		for (i = 0; i < 224; i++, ps += 8)\r
			for (x = 0; x < 320; x++)\r
				*pd++ = pal[*ps++];\r
	}\r
\r
	if (notice || (currentConfig.EmuOpt & EOPT_SHOW_FPS)) {\r
		if (notice)\r
			emu_osd_text16(4, g_screen_height - 8, notice);\r
		if (currentConfig.EmuOpt & EOPT_SHOW_FPS)\r
			emu_osd_text16(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
static void apply_renderer(void)\r
{\r
	switch (currentConfig.renderer) {\r
	case RT_16BIT:\r
		PicoOpt &= ~POPT_ALT_RENDERER;\r
		PicoDrawSetOutFormat(PDF_RGB555, 0);\r
		PicoDrawSetOutBuf(g_screen_ptr, g_screen_width * 2);\r
		break;\r
	case RT_8BIT_ACC:\r
		PicoOpt &= ~POPT_ALT_RENDERER;\r
		PicoDrawSetOutFormat(PDF_8BIT, 0);\r
		PicoDrawSetOutBuf(Pico.est.Draw2FB + 8, 328);\r
		break;\r
	case RT_8BIT_FAST:\r
		PicoOpt |=  POPT_ALT_RENDERER;\r
		PicoDrawSetOutFormat(PDF_NONE, 0);\r
		break;\r
	}\r
\r
	if (PicoAHW & PAHW_32X)\r
		PicoDrawSetOutBuf(g_screen_ptr, g_screen_width * 2);\r
}\r
\r
void plat_video_toggle_renderer(int change, int is_menu)\r
{\r
	currentConfig.renderer += change;\r
	if      (currentConfig.renderer >= RT_COUNT)\r
		currentConfig.renderer = 0;\r
	else if (currentConfig.renderer < 0)\r
		currentConfig.renderer = RT_COUNT - 1;\r
\r
	if (!is_menu)\r
		apply_renderer();\r
\r
	emu_status_msg(renderer_names[currentConfig.renderer]);\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 no_scale, int do_emu)\r
{\r
	PicoDrawSetOutBuf(g_screen_ptr, g_screen_width * 2);\r
	PicoDrawSetCallbacks(NULL, NULL);\r
	Pico.m.dirtyPal = 1;\r
\r
	emu_cmn_forced_frame(no_scale, do_emu);\r
\r
	g_menubg_src_ptr = g_screen_ptr;\r
}\r
\r
void pemu_sound_start(void)\r
{\r
	emu_sound_start();\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
	apply_renderer();\r
}\r
\r
void pemu_loop_end(void)\r
{\r
	/* do one more frame for menu bg */\r
	pemu_forced_frame(0, 1);\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
void *plat_mem_get_for_drc(size_t size)\r
{\r
	return NULL;\r
}\r
Commit	Line	Data
cff531af	1	/*\r
	2	* PicoDrive\r
	3	* (C) notaz, 2006-2010\r
	4	*\r
	5	* This work is licensed under the terms of MAME license.\r
	6	* See COPYING file in the top-level directory.\r
	7	*/\r
697746df	8	\r
	9	#include <stdio.h>\r
	10	#include <unistd.h>\r
	11	\r
e743be20	12	#include "../libpicofe/menu.h"\r
e743be20	13	#include "../libpicofe/plat.h"\r
697746df	14	#include "../common/emu.h"\r
697746df	15	#include "../common/arm_utils.h"\r
90f0dedf	16	#include "../common/version.h"\r
697746df	17	\r
	18	#include <pico/pico_int.h>\r
	19	\r
	20	\r
fcdefcf6	21	const char *renderer_names[] = { "16bit accurate", " 8bit accurate", " 8bit fast", NULL };\r
fcdefcf6	22	const char *renderer_names32x[] = { "accurate", "faster", "fastest", NULL };\r
5a681086	23	enum renderer_types { RT_16BIT, RT_8BIT_ACC, RT_8BIT_FAST, RT_COUNT };\r
697746df	24	\r
697746df	25	\r
	26	void pemu_prep_defconfig(void)\r
	27	{\r
697746df	28	}\r
	29	\r
	30	void pemu_validate_config(void)\r
	31	{\r
	32	extern int PicoOpt;\r
	33	// PicoOpt &= ~POPT_EXT_FM;\r
05eb243d	34	#ifndef __arm__\r
92dfd9af	35	PicoOpt &= ~POPT_EN_DRC;\r
05eb243d	36	#endif\r
697746df	37	}\r
697746df	38	\r
697746df	39	static void draw_cd_leds(void)\r
	40	{\r
	41	int led_reg, pitch, scr_offs, led_offs;\r
	42	led_reg = Pico_mcd->s68k_regs[0];\r
	43	\r
	44	pitch = 320;\r
	45	led_offs = 4;\r
	46	scr_offs = pitch * 2 + 4;\r
	47	\r
5a681086	48	if (currentConfig.renderer != RT_16BIT) {\r
697746df	49	#define p(x) px[(x) >> 2]\r
	50	// 8-bit modes\r
	51	unsigned int px = (unsigned int )((char *)g_screen_ptr + scr_offs);\r
	52	unsigned int col_g = (led_reg & 2) ? 0xc0c0c0c0 : 0xe0e0e0e0;\r
	53	unsigned int col_r = (led_reg & 1) ? 0xd0d0d0d0 : 0xe0e0e0e0;\r
	54	p(pitch0) = p(pitch1) = p(pitch*2) = col_g;\r
	55	p(pitch0 + led_offs) = p(pitch1 + led_offs) = p(pitch*2 + led_offs) = col_r;\r
	56	#undef p\r
	57	} else {\r
	58	#define p(x) px[(x)2 >> 2] = px[((x)2 >> 2) + 1]\r
	59	// 16-bit modes\r
	60	unsigned int px = (unsigned int )((short *)g_screen_ptr + scr_offs);\r
	61	unsigned int col_g = (led_reg & 2) ? 0x06000600 : 0;\r
	62	unsigned int col_r = (led_reg & 1) ? 0xc000c000 : 0;\r
	63	p(pitch0) = p(pitch1) = p(pitch*2) = col_g;\r
	64	p(pitch0 + led_offs) = p(pitch1 + led_offs) = p(pitch*2 + led_offs) = col_r;\r
	65	#undef p\r
	66	}\r
	67	}\r
	68	\r
d08e7326	69	void pemu_finalize_frame(const char fps, const char notice)\r
697746df	70	{\r
5a681086	71	if (currentConfig.renderer != RT_16BIT && !(PicoAHW & PAHW_32X)) {\r
5a681086	72	unsigned short pd = (unsigned short )g_screen_ptr + 8 * g_screen_width;\r
98a27142	73	unsigned char ps = Pico.est.Draw2FB + 3288 + 8;\r
98a27142	74	unsigned short *pal = Pico.est.HighPal;\r
5a681086	75	int i, x;\r
	76	if (Pico.m.dirtyPal)\r
	77	PicoDrawUpdateHighPal();\r
	78	for (i = 0; i < 224; i++, ps += 8)\r
	79	for (x = 0; x < 320; x++)\r
	80	pd++ = pal[ps++];\r
	81	}\r
	82	\r
697746df	83	if (notice \|\| (currentConfig.EmuOpt & EOPT_SHOW_FPS)) {\r
697746df	84	if (notice)\r
f7e40c9b	85	emu_osd_text16(4, g_screen_height - 8, notice);\r
697746df	86	if (currentConfig.EmuOpt & EOPT_SHOW_FPS)\r
f7e40c9b	87	emu_osd_text16(g_screen_width - 60, g_screen_height - 8, fps);\r
697746df	88	}\r
	89	if ((PicoAHW & PAHW_MCD) && (currentConfig.EmuOpt & EOPT_EN_CD_LEDS))\r
	90	draw_cd_leds();\r
697746df	91	}\r
697746df	92	\r
5a681086	93	static void apply_renderer(void)\r
5a681086	94	{\r
5a681086	95	switch (currentConfig.renderer) {\r
	96	case RT_16BIT:\r
	97	PicoOpt &= ~POPT_ALT_RENDERER;\r
	98	PicoDrawSetOutFormat(PDF_RGB555, 0);\r
	99	PicoDrawSetOutBuf(g_screen_ptr, g_screen_width * 2);\r
	100	break;\r
	101	case RT_8BIT_ACC:\r
	102	PicoOpt &= ~POPT_ALT_RENDERER;\r
	103	PicoDrawSetOutFormat(PDF_8BIT, 0);\r
98a27142	104	PicoDrawSetOutBuf(Pico.est.Draw2FB + 8, 328);\r
5a681086	105	break;\r
	106	case RT_8BIT_FAST:\r
	107	PicoOpt \|= POPT_ALT_RENDERER;\r
	108	PicoDrawSetOutFormat(PDF_NONE, 0);\r
	109	break;\r
	110	}\r
	111	\r
41946d70	112	if (PicoAHW & PAHW_32X)\r
5a681086	113	PicoDrawSetOutBuf(g_screen_ptr, g_screen_width * 2);\r
5a681086	114	}\r
	115	\r
	116	void plat_video_toggle_renderer(int change, int is_menu)\r
697746df	117	{\r
5a681086	118	currentConfig.renderer += change;\r
	119	if (currentConfig.renderer >= RT_COUNT)\r
	120	currentConfig.renderer = 0;\r
	121	else if (currentConfig.renderer < 0)\r
	122	currentConfig.renderer = RT_COUNT - 1;\r
	123	\r
	124	if (!is_menu)\r
	125	apply_renderer();\r
	126	\r
	127	emu_status_msg(renderer_names[currentConfig.renderer]);\r
697746df	128	}\r
697746df	129	\r
697746df	130	void plat_status_msg_clear(void)\r
	131	{\r
	132	unsigned short d = (unsigned short )g_screen_ptr + g_screen_width * g_screen_height;\r
	133	int l = g_screen_width * 8;\r
	134	memset32((int )(d - l), 0, l 2 / 4);\r
	135	}\r
	136	\r
	137	void plat_status_msg_busy_next(const char *msg)\r
	138	{\r
	139	plat_status_msg_clear();\r
d08e7326	140	pemu_finalize_frame("", msg);\r
d08e7326	141	plat_video_flip();\r
697746df	142	emu_status_msg("");\r
	143	reset_timing = 1;\r
	144	}\r
	145	\r
	146	void plat_status_msg_busy_first(const char *msg)\r
	147	{\r
	148	// memset32(g_screen_ptr, 0, g_screen_width * g_screen_height * 2 / 4);\r
	149	plat_status_msg_busy_next(msg);\r
	150	}\r
	151	\r
	152	void plat_update_volume(int has_changed, int is_up)\r
	153	{\r
	154	}\r
	155	\r
45285368	156	void pemu_forced_frame(int no_scale, int do_emu)\r
697746df	157	{\r
e51e5983	158	PicoDrawSetOutBuf(g_screen_ptr, g_screen_width * 2);\r
a4edca53	159	PicoDrawSetCallbacks(NULL, NULL);\r
697746df	160	Pico.m.dirtyPal = 1;\r
a4edca53	161	\r
a4edca53	162	emu_cmn_forced_frame(no_scale, do_emu);\r
697746df	163	\r
45285368	164	g_menubg_src_ptr = g_screen_ptr;\r
697746df	165	}\r
697746df	166	\r
697746df	167	void pemu_sound_start(void)\r
697746df	168	{\r
df92fbd1	169	emu_sound_start();\r
697746df	170	}\r
	171	\r
	172	void plat_debug_cat(char *str)\r
	173	{\r
	174	}\r
	175	\r
	176	void emu_video_mode_change(int start_line, int line_count, int is_32cols)\r
	177	{\r
697746df	178	// clear whole screen in all buffers\r
	179	memset32(g_screen_ptr, 0, g_screen_width * g_screen_height * 2 / 4);\r
	180	}\r
	181	\r
	182	void pemu_loop_prep(void)\r
	183	{\r
5a681086	184	apply_renderer();\r
697746df	185	}\r
	186	\r
	187	void pemu_loop_end(void)\r
	188	{\r
697746df	189	/* do one more frame for menu bg */\r
45285368	190	pemu_forced_frame(0, 1);\r
697746df	191	}\r
	192	\r
	193	void plat_wait_till_us(unsigned int us_to)\r
	194	{\r
	195	unsigned int now;\r
	196	\r
	197	now = plat_get_ticks_us();\r
	198	\r
	199	while ((signed int)(us_to - now) > 512)\r
	200	{\r
	201	usleep(1024);\r
	202	now = plat_get_ticks_us();\r
	203	}\r
	204	}\r
	205	\r
df925153	206	void *plat_mem_get_for_drc(size_t size)\r
	207	{\r
	208	return NULL;\r
	209	}\r