X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=common%2Femu.c;h=c5686fddf41947d1996223787dd966620df7a709;hb=8e77275edade55d89b0723a60ab4ef1e2ec288de;hp=7aac10b8463819f44e34da9f432111c22d90b098;hpb=049a6b3e80151f6a5af726e25478ed15e111dfcc;p=libpicofe.git

diff --git a/common/emu.c b/common/emu.c
index 7aac10b..c5686fd 100644
--- a/common/emu.c
+++ b/common/emu.c
@@ -5,7 +5,6 @@
 
 #include <stdio.h>
 #include <stdlib.h>
-#include <ctype.h> // tolower
 #ifndef NO_SYNC
 #include <unistd.h>
 #endif
@@ -15,8 +14,9 @@
 #include "fonts.h"
 #include "lprintf.h"
 #include "config.h"
-#include "common.h"
 #include "plat.h"
+#include "input.h"
+#include "posix.h"
 
 #include <pico/pico_int.h>
 #include <pico/patch.h>
@@ -24,12 +24,18 @@
 #include <zlib/zlib.h>
 
 
+void *g_screen_ptr;
+
+#if !SCREEN_SIZE_FIXED
+int g_screen_width  = SCREEN_WIDTH;
+int g_screen_height = SCREEN_HEIGHT;
+#endif
+
 char *PicoConfigFile = "config.cfg";
 currentConfig_t currentConfig, defaultConfig;
-char noticeMsg[64] = { 0, };
 int state_slot = 0;
 int config_slot = 0, config_slot_current = 0;
-int kb_combo_keys = 0, kb_combo_acts = 0;	// keys and actions which need button combos
+int pico_pen_x = 320/2, pico_pen_y = 240/2;
 int pico_inp_mode = 0;
 int engineState = PGS_Menu;
 
@@ -37,17 +43,19 @@ int engineState = PGS_Menu;
 char rom_fname_reload[512] = { 0, };
 char rom_fname_loaded[512] = { 0, };
 int rom_loaded = 0;
+int reset_timing = 0;
 
 unsigned char *movie_data = NULL;
 static int movie_size = 0;
 
 
-// utilities
+/* don't use tolower() for easy old glibc binary compatibility */
 static void strlwr_(char *string)
 {
 	char *p;
 	for (p = string; *p; p++)
-		*p = (char)tolower(*p);
+		if ('A' <= *p && *p <= 'Z')
+			*p += 'a' - 'A';
 }
 
 static int try_rfn_cut(char *fname)
@@ -78,15 +86,15 @@ static void get_ext(char *file, char *ext)
 	strlwr_(ext);
 }
 
-char *biosfiles_us[] = { "us_scd1_9210", "us_scd2_9306", "SegaCDBIOS9303" };
-char *biosfiles_eu[] = { "eu_mcd1_9210", "eu_mcd2_9306", "eu_mcd2_9303"   };
-char *biosfiles_jp[] = { "jp_mcd1_9112", "jp_mcd1_9111" };
+static const char *biosfiles_us[] = { "us_scd1_9210", "us_scd2_9306", "SegaCDBIOS9303" };
+static const char *biosfiles_eu[] = { "eu_mcd1_9210", "eu_mcd2_9306", "eu_mcd2_9303"   };
+static const char *biosfiles_jp[] = { "jp_mcd1_9112", "jp_mcd1_9111" };
 
-int emu_findBios(int region, char **bios_file)
+static int find_bios(int region, char **bios_file)
 {
 	static char bios_path[1024];
 	int i, count;
-	char **files;
+	const char **files;
 	FILE *f = NULL;
 
 	if (region == 4) { // US
@@ -104,7 +112,7 @@ int emu_findBios(int region, char **bios_file)
 
 	for (i = 0; i < count; i++)
 	{
-		emu_getMainDir(bios_path, sizeof(bios_path));
+		plat_get_root_dir(bios_path, sizeof(bios_path));
 		strcat(bios_path, files[i]);
 		strcat(bios_path, ".bin");
 		f = fopen(bios_path, "rb");
@@ -122,9 +130,9 @@ int emu_findBios(int region, char **bios_file)
 		if (bios_file) *bios_file = bios_path;
 		return 1;
 	} else {
-		sprintf(menuErrorMsg, "no %s BIOS files found, read docs",
+		sprintf(bios_path, "no %s BIOS files found, read docs",
 			region != 4 ? (region == 8 ? "EU" : "JAP") : "USA");
-		lprintf("%s\n", menuErrorMsg);
+		me_update_msg(bios_path);
 		return 0;
 	}
 }
@@ -148,7 +156,7 @@ static unsigned char id_header[0x100];
 
 /* checks if fname points to valid MegaCD image
  * if so, checks for suitable BIOS */
-int emu_cdCheck(int *pregion, char *fname_in)
+int emu_cd_check(int *pregion, char *fname_in)
 {
 	unsigned char buf[32];
 	pm_file *cd_f;
@@ -245,7 +253,7 @@ static int extract_text(char *dest, const unsigned char *src, int len, int swab)
 	return p - dest;
 }
 
-char *emu_makeRomId(void)
+static char *emu_make_rom_id(void)
 {
 	static char id_string[3+0xe*3+0x3*3+0x30*3+3];
 	int pos, swab = 1;
@@ -268,7 +276,7 @@ char *emu_makeRomId(void)
 }
 
 // buffer must be at least 150 byte long
-void emu_getGameName(char *str150)
+void emu_get_game_name(char *str150)
 {
 	int ret, swab = (PicoAHW & PAHW_MCD) ? 0 : 1;
 	char *s, *d;
@@ -284,8 +292,15 @@ void emu_getGameName(char *str150)
 	*d = 0;
 }
 
+static void shutdown_MCD(void)
+{
+	if ((PicoAHW & PAHW_MCD) && Pico_mcd != NULL)
+		Stop_CD();
+	PicoAHW &= ~PAHW_MCD;
+}
+
 // note: this function might mangle rom_fname
-int emu_ReloadRom(char *rom_fname)
+int emu_reload_rom(char *rom_fname)
 {
 	unsigned int rom_size = 0;
 	char *used_rom_name = rom_fname;
@@ -300,7 +315,7 @@ int emu_ReloadRom(char *rom_fname)
 
 	// detect wrong extensions
 	if (!strcmp(ext, ".srm") || !strcmp(ext, "s.gz") || !strcmp(ext, ".mds")) { // s.gz ~ .mds.gz
-		sprintf(menuErrorMsg, "Not a ROM/CD selected.");
+		me_update_msg("Not a ROM/CD selected.");
 		return 0;
 	}
 
@@ -317,32 +332,32 @@ int emu_ReloadRom(char *rom_fname)
 		int dummy;
 		FILE *movie_file = fopen(rom_fname, "rb");
 		if(!movie_file) {
-			sprintf(menuErrorMsg, "Failed to open movie.");
+			me_update_msg("Failed to open movie.");
 			return 0;
 		}
 		fseek(movie_file, 0, SEEK_END);
 		movie_size = ftell(movie_file);
 		fseek(movie_file, 0, SEEK_SET);
 		if(movie_size < 64+3) {
-			sprintf(menuErrorMsg, "Invalid GMV file.");
+			me_update_msg("Invalid GMV file.");
 			fclose(movie_file);
 			return 0;
 		}
 		movie_data = malloc(movie_size);
 		if(movie_data == NULL) {
-			sprintf(menuErrorMsg, "low memory.");
+			me_update_msg("low memory.");
 			fclose(movie_file);
 			return 0;
 		}
 		fread(movie_data, 1, movie_size, movie_file);
 		fclose(movie_file);
 		if (strncmp((char *)movie_data, "Gens Movie TEST", 15) != 0) {
-			sprintf(menuErrorMsg, "Invalid GMV file.");
+			me_update_msg("Invalid GMV file.");
 			return 0;
 		}
 		dummy = try_rfn_cut(rom_fname) || try_rfn_cut(rom_fname);
 		if (!dummy) {
-			sprintf(menuErrorMsg, "Could't find a ROM for movie.");
+			me_update_msg("Could't find a ROM for movie.");
 			return 0;
 		}
 		get_ext(rom_fname, ext);
@@ -354,32 +369,31 @@ int emu_ReloadRom(char *rom_fname)
 		PicoPatchLoad(rom_fname);
 		dummy = try_rfn_cut(rom_fname) || try_rfn_cut(rom_fname);
 		if (!dummy) {
-			sprintf(menuErrorMsg, "Could't find a ROM to patch.");
+			me_update_msg("Could't find a ROM to patch.");
 			return 0;
 		}
 		get_ext(rom_fname, ext);
 	}
 
-	emu_shutdownMCD();
+	shutdown_MCD();
 
 	// check for MegaCD image
-	cd_state = emu_cdCheck(&cd_region, rom_fname);
+	cd_state = emu_cd_check(&cd_region, rom_fname);
 	if (cd_state >= 0 && cd_state != CIT_NOT_CD)
 	{
 		PicoAHW |= PAHW_MCD;
 		// valid CD image, check for BIOS..
 
 		// we need to have config loaded at this point
-		ret = emu_ReadConfig(1, 1);
-		if (!ret) emu_ReadConfig(0, 1);
+		ret = emu_read_config(1, 1);
+		if (!ret) emu_read_config(0, 1);
 		cfg_loaded = 1;
 
 		if (PicoRegionOverride) {
 			cd_region = PicoRegionOverride;
 			lprintf("overrided region to %s\n", cd_region != 4 ? (cd_region == 8 ? "EU" : "JAP") : "USA");
 		}
-		if (!emu_findBios(cd_region, &used_rom_name)) {
-			// bios_help() ?
+		if (!find_bios(cd_region, &used_rom_name)) {
 			PicoAHW &= ~PAHW_MCD;
 			return 0;
 		}
@@ -394,12 +408,12 @@ int emu_ReloadRom(char *rom_fname)
 
 	rom = pm_open(used_rom_name);
 	if (!rom) {
-		sprintf(menuErrorMsg, "Failed to open ROM/CD image");
+		me_update_msg("Failed to open ROM/CD image");
 		goto fail;
 	}
 
 	if (cd_state < 0) {
-		sprintf(menuErrorMsg, "Invalid CD image");
+		me_update_msg("Invalid CD image");
 		goto fail;
 	}
 
@@ -409,10 +423,9 @@ int emu_ReloadRom(char *rom_fname)
 	rom_loaded = 0;
 
 	if ( (ret = PicoCartLoad(rom, &rom_data, &rom_size)) ) {
-		if      (ret == 2) sprintf(menuErrorMsg, "Out of memory");
-		else if (ret == 3) sprintf(menuErrorMsg, "Read failed");
-		else               sprintf(menuErrorMsg, "PicoCartLoad() failed.");
-		lprintf("%s\n", menuErrorMsg);
+		if      (ret == 2) me_update_msg("Out of memory");
+		else if (ret == 3) me_update_msg("Read failed");
+		else               me_update_msg("PicoCartLoad() failed.");
 		goto fail2;
 	}
 	pm_close(rom);
@@ -422,7 +435,7 @@ int emu_ReloadRom(char *rom_fname)
 	if (rom_size <= 0x200 || strncmp((char *)rom_data, "Pico", 4) == 0 ||
 	  ((*(unsigned char *)(rom_data+4)<<16)|(*(unsigned short *)(rom_data+6))) >= (int)rom_size) {
 		if (rom_data) free(rom_data);
-		sprintf(menuErrorMsg, "Not a ROM selected.");
+		me_update_msg("Not a ROM selected.");
 		goto fail2;
 	}
 
@@ -430,13 +443,13 @@ int emu_ReloadRom(char *rom_fname)
 	if (!(PicoAHW & PAHW_MCD))
 		memcpy(id_header, rom_data + 0x100, sizeof(id_header));
 	if (!cfg_loaded) {
-		ret = emu_ReadConfig(1, 1);
-		if (!ret) emu_ReadConfig(0, 1);
+		ret = emu_read_config(1, 1);
+		if (!ret) emu_read_config(0, 1);
 	}
 
 	lprintf("PicoCartInsert(%p, %d);\n", rom_data, rom_size);
 	if (PicoCartInsert(rom_data, rom_size)) {
-		sprintf(menuErrorMsg, "Failed to load ROM.");
+		me_update_msg("Failed to load ROM.");
 		goto fail2;
 	}
 
@@ -444,8 +457,7 @@ int emu_ReloadRom(char *rom_fname)
 	if (cd_state != CIT_NOT_CD) {
 		ret = Insert_CD(rom_fname, cd_state);
 		if (ret != 0) {
-			sprintf(menuErrorMsg, "Insert_CD() failed, invalid CD image?");
-			lprintf("%s\n", menuErrorMsg);
+			me_update_msg("Insert_CD() failed, invalid CD image?");
 			goto fail2;
 		}
 	}
@@ -474,22 +486,17 @@ int emu_ReloadRom(char *rom_fname)
 			// TODO: bits 6 & 5
 		}
 		movie_data[0x18+30] = 0;
-		sprintf(noticeMsg, "MOVIE: %s", (char *) &movie_data[0x18]);
+		plat_status_msg("MOVIE: %s", (char *) &movie_data[0x18]);
 	}
 	else
 	{
 		PicoOpt &= ~POPT_DIS_VDP_FIFO;
-		if (Pico.m.pal) {
-			strcpy(noticeMsg, "PAL SYSTEM / 50 FPS");
-		} else {
-			strcpy(noticeMsg, "NTSC SYSTEM / 60 FPS");
-		}
+		plat_status_msg(Pico.m.pal ? "PAL SYSTEM / 50 FPS" : "NTSC SYSTEM / 60 FPS");
 	}
-	emu_noticeMsgUpdated();
 
 	// load SRAM for this ROM
-	if (currentConfig.EmuOpt & EOPT_USE_SRAM)
-		emu_SaveLoadGame(1, 1);
+	if (currentConfig.EmuOpt & EOPT_EN_SRAM)
+		emu_save_load_game(1, 1);
 
 	strncpy(rom_fname_loaded, rom_fname, sizeof(rom_fname_loaded)-1);
 	rom_fname_loaded[sizeof(rom_fname_loaded)-1] = 0;
@@ -503,14 +510,6 @@ fail:
 	return 0;
 }
 
-
-void emu_shutdownMCD(void)
-{
-	if ((PicoAHW & PAHW_MCD) && Pico_mcd != NULL)
-		Stop_CD();
-	PicoAHW &= ~PAHW_MCD;
-}
-
 static void romfname_ext(char *dst, const char *prefix, const char *ext)
 {
 	char *p;
@@ -521,7 +520,7 @@ static void romfname_ext(char *dst, const char *prefix, const char *ext)
 	for (; p >= rom_fname_loaded && *p != PATH_SEP_C; p--); p++;
 	*dst = 0;
 	if (prefix) {
-		int len = emu_getMainDir(dst, 512);
+		int len = plat_get_root_dir(dst, 512);
 		strcpy(dst + len, prefix);
 		prefix_len = len + strlen(prefix);
 	}
@@ -534,11 +533,10 @@ static void romfname_ext(char *dst, const char *prefix, const char *ext)
 	if (ext) strcat(dst, ext);
 }
 
-
 static void make_config_cfg(char *cfg)
 {
 	int len;
-	len = emu_getMainDir(cfg, 512);
+	len = plat_get_root_dir(cfg, 512);
 	strncpy(cfg + len, PicoConfigFile, 512-6-1-len);
 	if (config_slot != 0)
 	{
@@ -549,17 +547,9 @@ static void make_config_cfg(char *cfg)
 	cfg[511] = 0;
 }
 
-void emu_packConfig(void)
-{
-	currentConfig.s_PicoOpt = PicoOpt;
-	currentConfig.s_PsndRate = PsndRate;
-	currentConfig.s_PicoRegion = PicoRegionOverride;
-	currentConfig.s_PicoAutoRgnOrder = PicoAutoRgnOrder;
-	currentConfig.s_PicoCDBuffers = PicoCDBuffers;
-}
-
-void emu_unpackConfig(void)
+static void emu_setDefaultConfig(void)
 {
+	memcpy(&currentConfig, &defaultConfig, sizeof(currentConfig));
 	PicoOpt = currentConfig.s_PicoOpt;
 	PsndRate = currentConfig.s_PsndRate;
 	PicoRegionOverride = currentConfig.s_PicoRegion;
@@ -567,14 +557,7 @@ void emu_unpackConfig(void)
 	PicoCDBuffers = currentConfig.s_PicoCDBuffers;
 }
 
-static void emu_setDefaultConfig(void)
-{
-	memcpy(&currentConfig, &defaultConfig, sizeof(currentConfig));
-	emu_unpackConfig();
-}
-
-
-int emu_ReadConfig(int game, int no_defaults)
+int emu_read_config(int game, int no_defaults)
 {
 	char cfg[512];
 	int ret;
@@ -588,7 +571,7 @@ int emu_ReadConfig(int game, int no_defaults)
 	}
 	else
 	{
-		char *sect = emu_makeRomId();
+		char *sect = emu_make_rom_id();
 
 		// try new .cfg way
 		if (config_slot != 0)
@@ -618,28 +601,26 @@ int emu_ReadConfig(int game, int no_defaults)
 		}
 	}
 
+	plat_validate_config();
+
 	// some sanity checks
-	if (currentConfig.CPUclock < 10 || currentConfig.CPUclock > 4096) currentConfig.CPUclock = 200;
 #ifdef PSP
+	/* TODO: mv to plat_validate_config() */
+	if (currentConfig.CPUclock < 10 || currentConfig.CPUclock > 4096) currentConfig.CPUclock = 200;
 	if (currentConfig.gamma < -4 || currentConfig.gamma >  16) currentConfig.gamma = 0;
 	if (currentConfig.gamma2 < 0 || currentConfig.gamma2 > 2)  currentConfig.gamma2 = 0;
-#else
-	if (currentConfig.gamma < 10 || currentConfig.gamma > 300) currentConfig.gamma = 100;
-#endif
-	if (currentConfig.volume < 0 || currentConfig.volume > 99) currentConfig.volume = 50;
-#ifdef __GP2X__
-	// if volume keys are unbound, bind them to volume control
-	if (!currentConfig.KeyBinds[23] && !currentConfig.KeyBinds[22]) {
-		currentConfig.KeyBinds[23] = 1<<29; // vol up
-		currentConfig.KeyBinds[22] = 1<<30; // vol down
-	}
 #endif
-	if (ret == 0) config_slot_current = config_slot;
+	if (currentConfig.volume < 0 || currentConfig.volume > 99)
+		currentConfig.volume = 50;
+
+	if (ret == 0)
+		config_slot_current = config_slot;
+
 	return (ret == 0);
 }
 
 
-int emu_WriteConfig(int is_game)
+int emu_write_config(int is_game)
 {
 	char cfg[512], *game_sect = NULL;
 	int ret, write_lrom = 0;
@@ -652,11 +633,11 @@ int emu_WriteConfig(int is_game)
 		if (config_slot != 0)
 		     sprintf(cfg, "game.%i.cfg", config_slot);
 		else strcpy(cfg,  "game.cfg");
-		game_sect = emu_makeRomId();
-		lprintf("emu_WriteConfig: sect \"%s\"\n", game_sect);
+		game_sect = emu_make_rom_id();
+		lprintf("emu_write_config: sect \"%s\"\n", game_sect);
 	}
 
-	lprintf("emu_WriteConfig: %s ", cfg);
+	lprintf("emu_write_config: %s ", cfg);
 	ret = config_writesect(cfg, game_sect);
 	if (write_lrom) config_writelrom(cfg);
 #ifndef NO_SYNC
@@ -679,112 +660,46 @@ void emu_writelrom(void)
 #endif
 }
 
-#ifndef UIQ3
-void emu_textOut8(int x, int y, const char *text)
-{
-	int i,l,len=strlen(text);
-	unsigned char *screen = (unsigned char *)SCREEN_BUFFER + x + y*SCREEN_WIDTH;
-
-	/* always using built-in font */
-	for (i = 0; i < len; i++)
-	{
-		for (l=0;l<8;l++)
-		{
-			unsigned char fd = fontdata8x8[((text[i])*8)+l];
-			if (fd&0x80) screen[l*SCREEN_WIDTH+0]=0xf0;
-			if (fd&0x40) screen[l*SCREEN_WIDTH+1]=0xf0;
-			if (fd&0x20) screen[l*SCREEN_WIDTH+2]=0xf0;
-			if (fd&0x10) screen[l*SCREEN_WIDTH+3]=0xf0;
-			if (fd&0x08) screen[l*SCREEN_WIDTH+4]=0xf0;
-			if (fd&0x04) screen[l*SCREEN_WIDTH+5]=0xf0;
-			if (fd&0x02) screen[l*SCREEN_WIDTH+6]=0xf0;
-			if (fd&0x01) screen[l*SCREEN_WIDTH+7]=0xf0;
-		}
-		screen += 8;
-	}
+/* always using built-in font */
+
+#define mk_text_out(name, type, val) \
+void name(int x, int y, const char *text)				\
+{									\
+	int i, l, len = strlen(text);					\
+	type *screen = (type *)g_screen_ptr + x + y * g_screen_width;	\
+									\
+	for (i = 0; i < len; i++, screen += 8)				\
+	{								\
+		for (l = 0; l < 8; l++)					\
+		{							\
+			unsigned char fd = fontdata8x8[text[i] * 8 + l];\
+			type *s = screen + l * g_screen_width;		\
+			if (fd&0x80) s[0] = val;			\
+			if (fd&0x40) s[1] = val;			\
+			if (fd&0x20) s[2] = val;			\
+			if (fd&0x10) s[3] = val;			\
+			if (fd&0x08) s[4] = val;			\
+			if (fd&0x04) s[5] = val;			\
+			if (fd&0x02) s[6] = val;			\
+			if (fd&0x01) s[7] = val;			\
+		}							\
+	}								\
 }
 
-void emu_textOut16(int x, int y, const char *text)
-{
-	int i,l,len=strlen(text);
-	unsigned short *screen = (unsigned short *)SCREEN_BUFFER + x + y*SCREEN_WIDTH;
+mk_text_out(emu_textOut8, unsigned char, 0xf0)
+mk_text_out(emu_textOut16, unsigned short, 0xffff)
 
-	for (i = 0; i < len; i++)
-	{
-		for (l=0;l<8;l++)
-		{
-			unsigned char fd = fontdata8x8[((text[i])*8)+l];
-			if(fd&0x80) screen[l*SCREEN_WIDTH+0]=0xffff;
-			if(fd&0x40) screen[l*SCREEN_WIDTH+1]=0xffff;
-			if(fd&0x20) screen[l*SCREEN_WIDTH+2]=0xffff;
-			if(fd&0x10) screen[l*SCREEN_WIDTH+3]=0xffff;
-			if(fd&0x08) screen[l*SCREEN_WIDTH+4]=0xffff;
-			if(fd&0x04) screen[l*SCREEN_WIDTH+5]=0xffff;
-			if(fd&0x02) screen[l*SCREEN_WIDTH+6]=0xffff;
-			if(fd&0x01) screen[l*SCREEN_WIDTH+7]=0xffff;
-		}
-		screen += 8;
-	}
-}
-#endif
+#undef mk_text_out
 
-#ifdef PSP
-#define MAX_COMBO_KEY 23
-#else
-#define MAX_COMBO_KEY 31
-#endif
 
-void emu_findKeyBindCombos(void)
-{
-	int act, u;
-
-	// find out which keys and actions are combos
-	kb_combo_keys = kb_combo_acts = 0;
-	for (act = 0; act < 32; act++)
-	{
-		int keyc = 0, keyc2 = 0;
-		if (act == 16 || act == 17) continue; // player2 flag
-		if (act > 17)
-		{
-			for (u = 0; u <= MAX_COMBO_KEY; u++)
-				if (currentConfig.KeyBinds[u] & (1 << act)) keyc++;
-		}
-		else
-		{
-			for (u = 0; u <= MAX_COMBO_KEY; u++)
-				if ((currentConfig.KeyBinds[u] & 0x30000) == 0 && // pl. 1
-					(currentConfig.KeyBinds[u] & (1 << act))) keyc++;
-			for (u = 0; u <= MAX_COMBO_KEY; u++)
-				if ((currentConfig.KeyBinds[u] & 0x30000) == 1 && // pl. 2
-					(currentConfig.KeyBinds[u] & (1 << act))) keyc2++;
-			if (keyc2 > keyc) keyc = keyc2;
-		}
-		if (keyc > 1)
-		{
-			// loop again and mark those keys and actions as combo
-			for (u = 0; u <= MAX_COMBO_KEY; u++)
-			{
-				if (currentConfig.KeyBinds[u] & (1 << act)) {
-					kb_combo_keys |= 1 << u;
-					kb_combo_acts |= 1 << act;
-				}
-			}
-		}
-	}
-
-	// printf("combo keys/acts: %08x %08x\n", kb_combo_keys, kb_combo_acts);
-}
-
-
-void emu_updateMovie(void)
+void update_movie(void)
 {
 	int offs = Pico.m.frame_count*3 + 0x40;
 	if (offs+3 > movie_size) {
 		free(movie_data);
 		movie_data = 0;
-		strcpy(noticeMsg, "END OF MOVIE.");
+		plat_status_msg("END OF MOVIE.");
 		lprintf("END OF MOVIE.\n");
-		emu_noticeMsgUpdated();
 	} else {
 		// MXYZ SACB RLDU
 		PicoPad[0] = ~movie_data[offs]   & 0x8f; // ! SCBA RLDU
@@ -828,7 +743,7 @@ static int try_ropen_file(const char *fname)
 	return 0;
 }
 
-char *emu_GetSaveFName(int load, int is_sram, int slot)
+char *emu_get_save_fname(int load, int is_sram, int slot)
 {
 	static char saveFname[512];
 	char ext[16];
@@ -874,9 +789,9 @@ char *emu_GetSaveFName(int load, int is_sram, int slot)
 	return saveFname;
 }
 
-int emu_checkSaveFile(int slot)
+int emu_check_save_file(int slot)
 {
-	return emu_GetSaveFName(1, 0, slot) ? 1 : 0;
+	return emu_get_save_fname(1, 0, slot) ? 1 : 0;
 }
 
 void emu_setSaveStateCbs(int gz)
@@ -896,18 +811,16 @@ void emu_setSaveStateCbs(int gz)
 	}
 }
 
-int emu_SaveLoadGame(int load, int sram)
+int emu_save_load_game(int load, int sram)
 {
 	int ret = 0;
 	char *saveFname;
 
 	// make save filename
-	saveFname = emu_GetSaveFName(load, sram, state_slot);
+	saveFname = emu_get_save_fname(load, sram, state_slot);
 	if (saveFname == NULL) {
-		if (!sram) {
-			strcpy(noticeMsg, load ? "LOAD FAILED (missing file)" : "SAVE FAILED  ");
-			emu_noticeMsgUpdated();
-		}
+		if (!sram)
+			plat_status_msg(load ? "LOAD FAILED (missing file)" : "SAVE FAILED");
 		return -1;
 	}
 
@@ -993,19 +906,18 @@ int emu_SaveLoadGame(int load, int sram)
 		}
 		else	ret = -1;
 		if (!ret)
-			strcpy(noticeMsg, load ? "GAME LOADED  " : "GAME SAVED        ");
+			plat_status_msg(load ? "GAME LOADED" : "GAME SAVED");
 		else
 		{
-			strcpy(noticeMsg, load ? "LOAD FAILED  " : "SAVE FAILED       ");
+			plat_status_msg(load ? "LOAD FAILED" : "SAVE FAILED");
 			ret = -1;
 		}
 
-		emu_noticeMsgUpdated();
 		return ret;
 	}
 }
 
-void emu_changeFastForward(int set_on)
+void emu_set_fastforward(int set_on)
 {
 	static void *set_PsndOut = NULL;
 	static int set_Frameskip, set_EmuOpt, is_on = 0;
@@ -1019,8 +931,7 @@ void emu_changeFastForward(int set_on)
 		currentConfig.EmuOpt &= ~4;
 		currentConfig.EmuOpt |= 0x40000;
 		is_on = 1;
-		strcpy(noticeMsg, "FAST FORWARD   ");
-		emu_noticeMsgUpdated();
+		plat_status_msg("FAST FORWARD");
 	}
 	else if (!set_on && is_on) {
 		PsndOut = set_PsndOut;
@@ -1031,35 +942,74 @@ void emu_changeFastForward(int set_on)
 	}
 }
 
-void emu_RunEventsPico(unsigned int events)
+static void emu_msg_tray_open(void)
+{
+	plat_status_msg("CD tray opened");
+}
+
+void emu_reset_game(void)
 {
-	if (events & (1 << 3)) {
+	PicoReset();
+	reset_timing = 1;
+}
+
+void run_events_pico(unsigned int events)
+{
+	int lim_x;
+
+	if (events & PEV_PICO_SWINP) {
 		pico_inp_mode++;
-		if (pico_inp_mode > 2) pico_inp_mode = 0;
+		if (pico_inp_mode > 2)
+			pico_inp_mode = 0;
 		switch (pico_inp_mode) {
-			case 2: strcpy(noticeMsg, "Input: Pen on Pad      "); break;
-			case 1: strcpy(noticeMsg, "Input: Pen on Storyware"); break;
-			case 0: strcpy(noticeMsg, "Input: Joytick         ");
+			case 2: plat_status_msg("Input: Pen on Pad"); break;
+			case 1: plat_status_msg("Input: Pen on Storyware"); break;
+			case 0: plat_status_msg("Input: Joystick");
 				PicoPicohw.pen_pos[0] = PicoPicohw.pen_pos[1] = 0x8000;
 				break;
 		}
-		emu_noticeMsgUpdated();
 	}
-	if (events & (1 << 4)) {
+	if (events & PEV_PICO_PPREV) {
 		PicoPicohw.page--;
-		if (PicoPicohw.page < 0) PicoPicohw.page = 0;
-		sprintf(noticeMsg, "Page %i                 ", PicoPicohw.page);
-		emu_noticeMsgUpdated();
+		if (PicoPicohw.page < 0)
+			PicoPicohw.page = 0;
+		plat_status_msg("Page %i", PicoPicohw.page);
 	}
-	if (events & (1 << 5)) {
+	if (events & PEV_PICO_PNEXT) {
 		PicoPicohw.page++;
-		if (PicoPicohw.page > 6) PicoPicohw.page = 6;
-		sprintf(noticeMsg, "Page %i                 ", PicoPicohw.page);
-		emu_noticeMsgUpdated();
+		if (PicoPicohw.page > 6)
+			PicoPicohw.page = 6;
+		plat_status_msg("Page %i", PicoPicohw.page);
 	}
+
+	if (pico_inp_mode == 0)
+		return;
+
+	/* handle other input modes */
+	if (PicoPad[0] & 1) pico_pen_y--;
+	if (PicoPad[0] & 2) pico_pen_y++;
+	if (PicoPad[0] & 4) pico_pen_x--;
+	if (PicoPad[0] & 8) pico_pen_x++;
+	PicoPad[0] &= ~0x0f; // release UDLR
+
+	lim_x = (Pico.video.reg[12]&1) ? 319 : 255;
+	if (pico_pen_y < 8)
+		pico_pen_y = 8;
+	if (pico_pen_y > 224 - PICO_PEN_ADJUST_Y)
+		pico_pen_y = 224 - PICO_PEN_ADJUST_Y;
+	if (pico_pen_x < 0)
+		pico_pen_x = 0;
+	if (pico_pen_x > lim_x - PICO_PEN_ADJUST_X)
+		pico_pen_x = lim_x - PICO_PEN_ADJUST_X;
+
+	PicoPicohw.pen_pos[0] = pico_pen_x;
+	if (!(Pico.video.reg[12] & 1))
+		PicoPicohw.pen_pos[0] += pico_pen_x / 4;
+	PicoPicohw.pen_pos[0] += 0x3c;
+	PicoPicohw.pen_pos[1] = pico_inp_mode == 1 ? (0x2f8 + pico_pen_y) : (0x1fc + pico_pen_y);
 }
 
-void emu_DoTurbo(int *pad, int acts)
+static void do_turbo(int *pad, int acts)
 {
 	static int turbo_pad = 0;
 	static unsigned char turbo_cnt[3] = { 0, 0, 0 };
@@ -1083,3 +1033,151 @@ void emu_DoTurbo(int *pad, int acts)
 	*pad |= turbo_pad & (acts >> 8);
 }
 
+static void run_events_ui(unsigned int which)
+{
+	if (which & (PEV_STATE_LOAD|PEV_STATE_SAVE))
+	{
+		int do_it = 1;
+		if ( emu_check_save_file(state_slot) &&
+				(((which & PEV_STATE_LOAD) && (currentConfig.EmuOpt & EOPT_CONFIRM_LOAD)) ||
+				 ((which & PEV_STATE_SAVE) && (currentConfig.EmuOpt & EOPT_CONFIRM_SAVE))) )
+		{
+			const char *nm;
+			char tmp[64];
+			int keys, len;
+
+			strcpy(tmp, (which & PEV_STATE_LOAD) ? "LOAD STATE?" : "OVERWRITE SAVE?");
+			len = strlen(tmp);
+			nm = in_get_key_name(-1, -PBTN_MA3);
+			snprintf(tmp + len, sizeof(tmp) - len, "(%s=yes, ", nm);
+			len = strlen(tmp);
+			nm = in_get_key_name(-1, -PBTN_MBACK);
+			snprintf(tmp + len, sizeof(tmp) - len, "%s=no)", nm);
+
+			plat_status_msg_busy_first(tmp);
+
+			in_set_blocking(1);
+			while (in_menu_wait_any(50) & (PBTN_MA3|PBTN_MBACK))
+				;
+			while ( !((keys = in_menu_wait_any(50)) & (PBTN_MA3|PBTN_MBACK)) )
+				;
+			if (keys & PBTN_MBACK)
+				do_it = 0;
+			while (in_menu_wait_any(50) & (PBTN_MA3|PBTN_MBACK))
+				;
+			in_set_blocking(0);
+		}
+		if (do_it) {
+			plat_status_msg_busy_first((which & PEV_STATE_LOAD) ? "LOADING GAME" : "SAVING GAME");
+			PicoStateProgressCB = plat_status_msg_busy_next;
+			emu_save_load_game((which & PEV_STATE_LOAD) ? 1 : 0, 0);
+			PicoStateProgressCB = NULL;
+		}
+	}
+	if (which & PEV_SWITCH_RND)
+	{
+		plat_video_toggle_renderer();
+	}
+	if (which & (PEV_SSLOT_PREV|PEV_SSLOT_NEXT))
+	{
+		if (which & PEV_SSLOT_PREV) {
+			state_slot -= 1;
+			if (state_slot < 0)
+				state_slot = 9;
+		} else {
+			state_slot += 1;
+			if (state_slot > 9)
+				state_slot = 0;
+		}
+
+		plat_status_msg("SAVE SLOT %i [%s]", state_slot,
+			emu_check_save_file(state_slot) ? "USED" : "FREE");
+	}
+	if (which & PEV_MENU)
+		engineState = PGS_Menu;
+}
+
+void emu_update_input(void)
+{
+	static int prev_events = 0;
+	int actions[IN_BINDTYPE_COUNT] = { 0, };
+	int pl_actions[2];
+	int events;
+
+	in_update(actions);
+
+	pl_actions[0] = actions[IN_BINDTYPE_PLAYER12];
+	pl_actions[1] = actions[IN_BINDTYPE_PLAYER12] >> 16;
+
+	PicoPad[0] = pl_actions[0] & 0xfff;
+	PicoPad[1] = pl_actions[1] & 0xfff;
+
+	if (pl_actions[0] & 0x7000)
+		do_turbo(&PicoPad[0], pl_actions[0]);
+	if (pl_actions[1] & 0x7000)
+		do_turbo(&PicoPad[1], pl_actions[1]);
+
+	events = actions[IN_BINDTYPE_EMU] & PEV_MASK;
+
+	// volume is treated in special way and triggered every frame
+	if (events & (PEV_VOL_DOWN|PEV_VOL_UP))
+		plat_update_volume(1, events & PEV_VOL_UP);
+
+	if ((events ^ prev_events) & PEV_FF) {
+		emu_set_fastforward(events & PEV_FF);
+		plat_update_volume(0, 0);
+		reset_timing = 1;
+	}
+
+	events &= ~prev_events;
+
+	if (PicoAHW == PAHW_PICO)
+		run_events_pico(events);
+	if (events)
+		run_events_ui(events);
+	if (movie_data)
+		update_movie();
+
+	prev_events = actions[IN_BINDTYPE_EMU] & PEV_MASK;
+}
+
+static void mkdir_path(char *path_with_reserve, int pos, const char *name)
+{
+	strcpy(path_with_reserve + pos, name);
+	if (plat_is_dir(path_with_reserve))
+		return;
+	if (mkdir(path_with_reserve, 0777) < 0)
+		lprintf("failed to create: %s\n", path_with_reserve);
+}
+
+void emu_init(void)
+{
+	char dir[256];
+	int pos;
+
+	/* make dirs for saves */
+	pos = plat_get_root_dir(dir, sizeof(dir) - 4);
+	mkdir_path(dir, pos, "mds");
+	mkdir_path(dir, pos, "srm");
+	mkdir_path(dir, pos, "brm");
+
+	PicoInit();
+	PicoMessage = plat_status_msg_busy_next;
+	PicoMCDopenTray = emu_msg_tray_open;
+	PicoMCDcloseTray = menu_loop_tray;
+}
+
+void emu_finish(void)
+{
+	// save SRAM
+	if ((currentConfig.EmuOpt & EOPT_EN_SRAM) && SRam.changed) {
+		emu_save_load_game(0, 1);
+		SRam.changed = 0;
+	}
+
+	if (!(currentConfig.EmuOpt & EOPT_NO_AUTOSVCFG))
+		emu_writelrom();
+
+	PicoExit();
+}
+