From: notaz <notasas@gmail.com>
Date: Thu, 23 Jul 2009 20:06:18 +0000 (+0000)
Subject: further unification and refactoring
X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=93c18cb44bf9794c7c9bc93411c68880723320d1;p=libpicofe.git

further unification and refactoring

git-svn-id: file:///home/notaz/opt/svn/PicoDrive/platform@710 be3aeb3a-fb24-0410-a615-afba39da0efa
---

diff --git a/common/emu.c b/common/emu.c
index ff17e3b..2535abe 100644
--- a/common/emu.c
+++ b/common/emu.c
@@ -16,6 +16,7 @@
 #include "config.h"
 #include "plat.h"
 #include "input.h"
+#include "posix.h"
 
 #include <pico/pico_int.h>
 #include <pico/patch.h>
@@ -34,6 +35,7 @@ char *PicoConfigFile = "config.cfg";
 currentConfig_t currentConfig, defaultConfig;
 int state_slot = 0;
 int config_slot = 0, config_slot_current = 0;
+int pico_pen_x = 320/2, pico_pen_y = 240/2;
 int pico_inp_mode = 0;
 int engineState = PGS_Menu;
 
@@ -41,6 +43,7 @@ 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;
@@ -109,7 +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");
@@ -519,7 +522,7 @@ 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);
 	}
@@ -536,7 +539,7 @@ static void romfname_ext(char *dst, const char *prefix, const char *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)
 	{
@@ -957,9 +960,22 @@ void emu_changeFastForward(int set_on)
 	}
 }
 
-void emu_RunEventsPico(unsigned int events)
+static void emu_msg_tray_open(void)
 {
-	if (events & (1 << 3)) {
+	plat_status_msg("CD tray opened");
+}
+
+void emu_reset_game(void)
+{
+	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;
@@ -971,18 +987,44 @@ void emu_RunEventsPico(unsigned int events)
 				break;
 		}
 	}
-	if (events & (1 << 4)) {
+	if (events & PEV_PICO_PPREV) {
 		PicoPicohw.page--;
 		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;
 		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);
 }
 
 static void do_turbo(int *pad, int acts)
@@ -1009,7 +1051,7 @@ static void do_turbo(int *pad, int acts)
 	*pad |= turbo_pad & (acts >> 8);
 }
 
-static void run_ui_events(unsigned int which)
+static void run_events_ui(unsigned int which)
 {
 	if (which & (PEV_STATE_LOAD|PEV_STATE_SAVE))
 	{
@@ -1096,18 +1138,58 @@ void emu_update_input(void)
 	if ((events ^ prevEvents) & PEV_FF) {
 		emu_changeFastForward(events & PEV_FF);
 		plat_update_volume(0, 0);
-//		reset_timing = 1;
+		reset_timing = 1;
 	}
 
 	events &= ~prevEvents;
 
-// TODO	if (PicoAHW == PAHW_PICO)
-//		RunEventsPico(events);
+	if (PicoAHW == PAHW_PICO)
+		run_events_pico(events);
 	if (events)
-		run_ui_events(events);
+		run_events_ui(events);
 	if (movie_data)
 		update_movie();
 
 	prevEvents = (allActions[0] | allActions[1]) & 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_USE_SRAM) && SRam.changed) {
+		emu_SaveLoadGame(0, 1);
+		SRam.changed = 0;
+	}
+
+	if (!(currentConfig.EmuOpt & EOPT_NO_AUTOSVCFG))
+		emu_writelrom();
+
+	PicoExit();
+}
+
diff --git a/common/emu.h b/common/emu.h
index a064da6..b503d96 100644
--- a/common/emu.h
+++ b/common/emu.h
@@ -71,6 +71,11 @@ extern int rom_loaded;
 extern int state_slot;
 extern int config_slot, config_slot_current;
 extern unsigned char *movie_data;
+extern int reset_timing;
+
+#define PICO_PEN_ADJUST_X 4
+#define PICO_PEN_ADJUST_Y 2
+extern int pico_pen_x, pico_pen_y;
 extern int pico_inp_mode;
 
 extern char rom_fname_reload[512];		// ROM to try loading on next PGS_ReloadRom
@@ -91,8 +96,12 @@ enum TPicoGameState {
 };
 
 
+void  emu_init(void);
+void  emu_finish(void);
+
 int   emu_ReloadRom(char *rom_fname);
 int   emu_SaveLoadGame(int load, int sram);
+void  emu_reset_game(void);
 
 int   emu_ReadConfig(int game, int no_defaults);
 int   emu_WriteConfig(int game);
diff --git a/common/input.h b/common/input.h
index cf7a099..9bc28c9 100644
--- a/common/input.h
+++ b/common/input.h
@@ -26,6 +26,9 @@
 #define PEVB_SSLOT_NEXT 24
 #define PEVB_MENU       23
 #define PEVB_FF         22
+#define PEVB_PICO_PNEXT 21
+#define PEVB_PICO_PPREV 20
+#define PEVB_PICO_SWINP 19
 
 #define PEV_VOL_DOWN    (1 << PEVB_VOL_DOWN)
 #define PEV_VOL_UP      (1 << PEVB_VOL_UP)
@@ -36,8 +39,11 @@
 #define PEV_SSLOT_NEXT  (1 << PEVB_SSLOT_NEXT)
 #define PEV_MENU        (1 << PEVB_MENU)
 #define PEV_FF          (1 << PEVB_FF)
+#define PEV_PICO_PNEXT  (1 << PEVB_PICO_PNEXT)
+#define PEV_PICO_PPREV  (1 << PEVB_PICO_PPREV)
+#define PEV_PICO_SWINP  (1 << PEVB_PICO_SWINP)
 
-#define PEV_MASK 0x7fc00000
+#define PEV_MASK 0x7ff80000
 
 
 enum {
diff --git a/common/main.c b/common/main.c
index 00cbac7..67f15da 100644
--- a/common/main.c
+++ b/common/main.c
@@ -69,7 +69,7 @@ int main(int argc, char *argv[])
 
 	/* in_init() must go before config, config accesses in_ fwk */
 	in_init();
-	emu_prepareDefaultConfig();
+	pemu_prep_defconfig();
 	emu_ReadConfig(0, 0);
 	config_readlrom(PicoConfigFile);
 
@@ -77,7 +77,7 @@ int main(int argc, char *argv[])
 	in_probe();
 	in_debug_dump();
 
-	emu_Init();
+	emu_init();
 	menu_init();
 
 	engineState = PGS_Menu;
@@ -117,7 +117,7 @@ int main(int argc, char *argv[])
 				engineState = PGS_Running;
 
 			case PGS_Running:
-				emu_Loop();
+				pemu_loop();
 				break;
 
 			case PGS_Quit:
@@ -131,7 +131,7 @@ int main(int argc, char *argv[])
 
 	endloop:
 
-	emu_Deinit();
+	emu_finish();
 	plat_finish();
 
 	return 0;
diff --git a/common/menu.c b/common/menu.c
index 74e7a6d..412dbc2 100644
--- a/common/menu.c
+++ b/common/menu.c
@@ -997,7 +997,7 @@ static void draw_savestate_bg(int slot)
 	}
 
 	/* do a frame and fetch menu bg */
-	emu_forcedFrame(POPT_EN_SOFTSCALE);
+	pemu_forced_frame(POPT_EN_SOFTSCALE);
 	plat_video_menu_enter(1);
 
 	memcpy(Pico.vram, tmp_vram, sizeof(Pico.vram));
@@ -1286,18 +1286,18 @@ me_bind_action me_ctrl_actions[15] =
 // "LOAD STATE", "VOLUME UP", "VOLUME DOWN", "DONE"
 me_bind_action emuctrl_actions[] =
 {
-	{ "Load State       ", 1 << PEVB_STATE_LOAD },
-	{ "Save State       ", 1 << PEVB_STATE_SAVE },
-	{ "Prev Save Slot   ", 1 << PEVB_SSLOT_PREV },
-	{ "Next Save Slot   ", 1 << PEVB_SSLOT_NEXT },
-	{ "Switch Renderer  ", 1 << PEVB_SWITCH_RND },
-	{ "Volume Down      ", 1 << PEVB_VOL_DOWN },
-	{ "Volume Up        ", 1 << PEVB_VOL_UP },
-	{ "Fast forward     ", 1 << PEVB_FF },
-	{ "Enter Menu       ", 1 << PEVB_MENU },
-	{ "Pico Next page   ", 1 << 21 }, /* TODO */
-	{ "Pico Prev page   ", 1 << 20 },
-	{ "Pico Switch input", 1 << 19 },
+	{ "Load State       ", PEV_STATE_LOAD },
+	{ "Save State       ", PEV_STATE_SAVE },
+	{ "Prev Save Slot   ", PEV_SSLOT_PREV },
+	{ "Next Save Slot   ", PEV_SSLOT_NEXT },
+	{ "Switch Renderer  ", PEV_SWITCH_RND },
+	{ "Volume Down      ", PEV_VOL_DOWN },
+	{ "Volume Up        ", PEV_VOL_UP },
+	{ "Fast forward     ", PEV_FF },
+	{ "Enter Menu       ", PEV_MENU },
+	{ "Pico Next page   ", PEV_PICO_PNEXT },
+	{ "Pico Prev page   ", PEV_PICO_PPREV },
+	{ "Pico Switch input", PEV_PICO_SWINP },
 	{ NULL,                0 }
 };
 
@@ -1727,17 +1727,17 @@ extern void SekStepM68k(void);
 
 static void mplayer_loop(void)
 {
-	emu_startSound();
+	pemu_sound_start();
 
 	while (1)
 	{
 		PDebugZ80Frame();
 		if (in_menu_wait_any(0) & PBTN_MA3)
 			break;
-		emu_waitSound();
+		pemu_sound_wait();
 	}
 
-	emu_endSound();
+	pemu_sound_stop();
 }
 
 static void draw_text_debug(const char *str, int skip, int from)
@@ -1776,7 +1776,7 @@ static void draw_frame_debug(void)
 	if (PicoDrawMask & PDRAW_SPRITES_HI_ON)  memcpy(layer_str + 19, "spr_hi", 6);
 
 	memset(g_screen_ptr, 0, g_screen_width * g_screen_height * 2);
-	emu_forcedFrame(0);
+	pemu_forced_frame(0);
 	smalltext_out16(4, 1, "build: " __DATE__ " " __TIME__, 0xffff);
 	smalltext_out16(4, g_screen_height - me_sfont_h, layer_str, 0xffff);
 }
@@ -1793,7 +1793,7 @@ static void debug_menu_loop(void)
 		{
 			case 0: plat_video_menu_begin();
 				tmp = PDebugMain();
-				emu_platformDebugCat(tmp);
+				plat_debug_cat(tmp);
 				draw_text_debug(tmp, 0, 0);
 				if (dumped) {
 					smalltext_out16(g_screen_width - 6 * me_sfont_h,
@@ -1803,7 +1803,7 @@ static void debug_menu_loop(void)
 				break;
 			case 1: draw_frame_debug(); break;
 			case 2: memset(g_screen_ptr, 0, g_screen_width * g_screen_height * 2);
-				emu_forcedFrame(0);
+				pemu_forced_frame(0);
 				menu_darken_bg(g_screen_ptr, g_screen_width * g_screen_height, 0);
 				PDebugShowSpriteStats((unsigned short *)g_screen_ptr + (g_screen_height/2 - 240/2)*g_screen_width +
 					g_screen_width/2 - 320/2, g_screen_width); break;
@@ -1896,7 +1896,7 @@ static int main_menu_handler(menu_id id, int keys)
 		break;
 	case MA_MAIN_RESET_GAME:
 		if (rom_loaded) {
-			emu_ResetGame();
+			emu_reset_game();
 			return 1;
 		}
 		break;
diff --git a/common/plat.h b/common/plat.h
index 43ee39f..e3705a8 100644
--- a/common/plat.h
+++ b/common/plat.h
@@ -4,20 +4,14 @@ extern "C" {
 
 /* stuff to be implemented by platform code */
 extern char cpu_clk_name[];
-/* TODO rename all these */
-extern const char * const keyNames[]; // TODO rm
-void  emu_prepareDefaultConfig(void);
-void  emu_platformDebugCat(char *str);
-void  emu_forcedFrame(int opts);
-void  emu_startSound(void);
-void  emu_endSound(void);
-void  emu_waitSound(void);
-void  emu_ResetGame(void); // TODO mv rm?
-void  emu_Init(void);
-void  emu_Deinit(void);
-void  emu_Loop(void);
-
-int  emu_getMainDir(char *dst, int len);
+
+void pemu_prep_defconfig(void);
+void pemu_loop(void);
+void pemu_forced_frame(int opts);
+void pemu_sound_start(void);
+void pemu_sound_stop(void);
+void pemu_sound_wait(void);
+
 void menu_romload_prepare(const char *rom_name);
 void menu_romload_end(void);
 
@@ -25,6 +19,9 @@ void plat_early_init(void);
 void plat_init(void);
 void plat_finish(void);
 
+/* return the dir/ where configs, saves, bios, etc. are found */
+int  plat_get_root_dir(char *dst, int len);
+
 /* to be used while emulation is starting or running */
 void plat_status_msg(const char *format, ...);
 
@@ -49,6 +46,7 @@ void plat_sleep_ms(int ms);
 unsigned int  plat_get_ticks_ms(void);
 
 const char   *plat_get_credits(void);
+void plat_debug_cat(char *str);
 
 #ifdef __cplusplus
 } // extern "C"
diff --git a/gp2x/940ctl.c b/gp2x/940ctl.c
index 11890bd..f6073d0 100644
--- a/gp2x/940ctl.c
+++ b/gp2x/940ctl.c
@@ -21,7 +21,6 @@
 #include "../../pico/sound/ym2612.h"
 #include "../../pico/sound/mix.h"
 
-extern int reset_timing;
 static unsigned char *shared_mem = 0;
 static _940_data_t *shared_data = 0;
 _940_ctl_t *shared_ctl = 0;
diff --git a/gp2x/emu.c b/gp2x/emu.c
index f27b285..ea0c67a 100644
--- a/gp2x/emu.c
+++ b/gp2x/emu.c
@@ -6,8 +6,6 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <sys/time.h>
-#include <sys/stat.h>
-#include <sys/types.h>
 #include <stdarg.h>
 
 #include "plat_gp2x.h"
@@ -42,14 +40,8 @@ static struct timeval noticeMsgTime = { 0, 0 };	// when started showing
 static int osd_fps_x;
 static int gp2x_old_gamma = 100;
 static char noticeMsg[40];
-unsigned char *PicoDraw2FB = NULL;  // temporary buffer for alt renderer
-int reset_timing = 0;
-
-#define PICO_PEN_ADJUST_X 4
-#define PICO_PEN_ADJUST_Y 2
-static int pico_pen_x = 320/2, pico_pen_y = 240/2;
-
-static void emu_msg_tray_open(void);
+static unsigned char PicoDraw2FB_[(8+320) * (8+240+8)];
+unsigned char *PicoDraw2FB = PicoDraw2FB_;
 
 
 void plat_status_msg(const char *format, ...)
@@ -63,7 +55,7 @@ void plat_status_msg(const char *format, ...)
 	gettimeofday(&noticeMsgTime, 0);
 }
 
-int emu_getMainDir(char *dst, int len)
+int plat_get_root_dir(char *dst, int len)
 {
 	extern char **g_argv;
 	int j;
@@ -78,27 +70,6 @@ int emu_getMainDir(char *dst, int len)
 	return j + 1;
 }
 
-void emu_Init(void)
-{
-	// make temp buffer for alt renderer
-	PicoDraw2FB = malloc((8+320)*(8+240+8));
-	if (!PicoDraw2FB)
-	{
-		printf("PicoDraw2FB == 0\n");
-	}
-
-	// make dirs for saves, cfgs, etc.
-	mkdir("mds", 0777);
-	mkdir("srm", 0777);
-	mkdir("brm", 0777);
-	mkdir("cfg", 0777);
-
-	PicoInit();
-	PicoMessage = plat_status_msg_busy_next;
-	PicoMCDopenTray = emu_msg_tray_open;
-	PicoMCDcloseTray = menu_loop_tray;
-}
-
 
 static void scaling_update(void)
 {
@@ -116,27 +87,7 @@ static void scaling_update(void)
 }
 
 
-void emu_Deinit(void)
-{
-	// save SRAM
-	if((currentConfig.EmuOpt & 1) && SRam.changed) {
-		emu_SaveLoadGame(0, 1);
-		SRam.changed = 0;
-	}
-
-	if (!(currentConfig.EmuOpt & EOPT_NO_AUTOSVCFG))
-		emu_writelrom();
-
-	free(PicoDraw2FB);
-
-	PicoExit();
-
-	// restore gamma
-	if (gp2x_old_gamma != 100)
-		set_lcd_gamma(100, 0);
-}
-
-void emu_prepareDefaultConfig(void)
+void pemu_prep_defconfig(void)
 {
 	gp2x_soc_t soc;
 
@@ -411,20 +362,12 @@ void plat_video_toggle_renderer(void)
 	}
 }
 
-static void emu_msg_tray_open(void)
-{
-	plat_status_msg("CD tray opened");
-}
-
+#if 0 // TODO
 static void RunEventsPico(unsigned int events)
 {
 	int ret, px, py, lim_x;
 	static int pdown_frames = 0;
 
-	emu_RunEventsPico(events);
-
-	if (pico_inp_mode == 0) return;
-
 	// for F200
 	ret = gp2x_touchpad_read(&px, &py);
 	if (ret >= 0)
@@ -449,24 +392,8 @@ static void RunEventsPico(unsigned int events)
 		//if (ret == 0)
 		//	PicoPicohw.pen_pos[0] = PicoPicohw.pen_pos[1] = 0x8000;
 	}
-
-	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);
 }
+#endif
 
 void plat_update_volume(int has_changed, int is_up)
 {
@@ -519,7 +446,7 @@ static void updateSound(int len)
 		sndout_oss_write(PsndOut, len<<1);
 }
 
-void emu_startSound(void)
+void pemu_sound_start(void)
 {
 	static int PsndRate_old = 0, PicoOpt_old = 0, pal_old = 0;
 	int target_fps = Pico.m.pal ? 50 : 60;
@@ -549,12 +476,11 @@ void emu_startSound(void)
 	}
 }
 
-void emu_endSound(void)
+void pemu_sound_stop(void)
 {
 }
 
-/* wait until we can write more sound */
-void emu_waitSound(void)
+void pemu_sound_wait(void)
 {
 	// don't need to do anything, writes will block by themselves
 }
@@ -568,16 +494,15 @@ static void SkipFrame(int do_audio)
 }
 
 
-void emu_forcedFrame(int opts)
+void pemu_forced_frame(int opts)
 {
 	int po_old = PicoOpt;
 	int eo_old = currentConfig.EmuOpt;
 
-	PicoOpt &= ~0x10;
-	PicoOpt |= opts|POPT_ACC_SPRITES; // acc_sprites
-	currentConfig.EmuOpt |= 0x80;
+	PicoOpt &= ~POPT_ALT_RENDERER;
+	PicoOpt |= opts|POPT_ACC_SPRITES;
+	currentConfig.EmuOpt |= EOPT_16BPP;
 
-	//vidResetMode();
 	PicoDrawSetColorFormat(1);
 	PicoScanBegin = EmuScanBegin16;
 	Pico.m.dirtyPal = 1;
@@ -597,9 +522,8 @@ void emu_forcedFrame(int opts)
 	currentConfig.EmuOpt = eo_old;
 }
 
-void emu_platformDebugCat(char *str)
+void plat_debug_cat(char *str)
 {
-	// nothing
 }
 
 static void simpleWait(int thissec, int lim_time)
@@ -668,7 +592,7 @@ static void tga_dump(void)
 #endif
 
 
-void emu_Loop(void)
+void pemu_loop(void)
 {
 	static int gp2x_old_clock = -1, EmuOpt_old = 0;
 	char fpsbuff[24]; // fps count c string
@@ -726,7 +650,7 @@ void emu_Loop(void)
 	target_frametime = 1000000/target_fps;
 	reset_timing = 1;
 
-	emu_startSound();
+	pemu_sound_start();
 
 	// prepare CD buffer
 	if (PicoAHW & PAHW_MCD) PicoCDBufferInit();
@@ -920,14 +844,7 @@ void emu_Loop(void)
 
 	// if in 8bit mode, generate 16bit image for menu background
 	if ((PicoOpt & POPT_ALT_RENDERER) || !(currentConfig.EmuOpt & EOPT_16BPP))
-		emu_forcedFrame(POPT_EN_SOFTSCALE);
-}
-
-
-void emu_ResetGame(void)
-{
-	PicoReset();
-	reset_timing = 1;
+		pemu_forced_frame(POPT_EN_SOFTSCALE);
 }
 
 const char *plat_get_credits(void)
diff --git a/pandora/emu.c b/pandora/emu.c
index cce5219..bb4b30a 100644
--- a/pandora/emu.c
+++ b/pandora/emu.c
@@ -1,4 +1,4 @@
-// (c) Copyright 2006-2008 notaz, All rights reserved.
+// (c) Copyright 2006-2009 notaz, All rights reserved.
 // Free for non-commercial use.
 
 // For commercial use, separate licencing terms must be obtained.
@@ -6,12 +6,6 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <sys/time.h>
-#include <sys/stat.h>
-#include <sys/types.h>
-#include <linux/limits.h>
-#include <ctype.h>
-#include <unistd.h>
-
 #include <stdarg.h>
 
 #include "../common/arm_utils.h"
@@ -43,15 +37,11 @@ static short __attribute__((aligned(4))) sndBuffer[2*44100/50];
 static struct timeval noticeMsgTime = { 0, 0 };	// when started showing
 static int osd_fps_x;
 unsigned char *PicoDraw2FB = NULL;  // temporary buffer for alt renderer
-int reset_timing = 0;
 
 #define PICO_PEN_ADJUST_X 4
 #define PICO_PEN_ADJUST_Y 2
 static int pico_pen_x = 0, pico_pen_y = 240/2;
 
-static void emu_msg_cb(const char *msg);
-static void emu_msg_tray_open(void);
-
 
 void plat_status_msg(const char *format, ...)
 {
@@ -64,7 +54,7 @@ void plat_status_msg(const char *format, ...)
 	gettimeofday(&noticeMsgTime, 0);
 }
 
-int emu_getMainDir(char *dst, int len)
+int plat_get_root_dir(char *dst, int len)
 {
 	extern char **g_argv;
 	int j;
@@ -79,49 +69,7 @@ int emu_getMainDir(char *dst, int len)
 	return j + 1;
 }
 
-void emu_Init(void)
-{
-	// make temp buffer for alt renderer
-	PicoDraw2FB = malloc((8+320)*(8+240+8));
-	if (!PicoDraw2FB)
-	{
-		printf("PicoDraw2FB == 0\n");
-	}
-
-	// make dirs for saves, cfgs, etc.
-	mkdir("mds", 0777);
-	mkdir("srm", 0777);
-	mkdir("brm", 0777);
-	mkdir("cfg", 0777);
-
-	PicoInit();
-	PicoMessage = emu_msg_cb;
-	PicoMCDopenTray = emu_msg_tray_open;
-	PicoMCDcloseTray = menu_loop_tray;
-}
-
-
-void emu_Deinit(void)
-{
-	// save SRAM
-	if((currentConfig.EmuOpt & 1) && SRam.changed) {
-		emu_SaveLoadGame(0, 1);
-		SRam.changed = 0;
-	}
-
-	if (!(currentConfig.EmuOpt & 0x20)) {
-		config_writelrom(PicoConfigFile);
-#ifndef NO_SYNC
-		sync();
-#endif
-	}
-
-	free(PicoDraw2FB);
-
-	PicoExit();
-}
-
-void emu_prepareDefaultConfig(void)
+void pemu_prep_defconfig(void)
 {
 	memset(&defaultConfig, 0, sizeof(defaultConfig));
 	defaultConfig.EmuOpt    = 0x8f | 0x00600; // | <- confirm_save, cd_leds
@@ -431,42 +379,6 @@ static void vidResetMode(void)
 }
 
 
-static void emu_msg_cb(const char *msg)
-{
-/*
-	if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) {
-		// 8-bit renderers
-		gp2x_memset_all_buffers(g_screen_width*(g_screen_height-16), 0xe0, g_screen_width*16);
-		osd_text(4, g_screen_height-16, msg);
-		gp2x_memcpy_all_buffers((char *)g_screen_ptr+g_screen_width*(g_screen_height-16),
-			g_screen_width*(g_screen_height-16), g_screen_width*16);
-	} else {
-		// 16bit accurate renderer
-		gp2x_memset_all_buffers(g_screen_width*(g_screen_height-16)*2, 0, g_screen_width*16*2);
-		osd_text(4, g_screen_height-16, msg);
-		gp2x_memcpy_all_buffers((char *)g_screen_ptr+g_screen_width*(g_screen_height-16)*2,
-			g_screen_width*(g_screen_height-16)*2, g_screen_width*16*2);
-	}
-	gettimeofday(&noticeMsgTime, 0);
-	noticeMsgTime.tv_sec -= 2;
-*/
-	/* assumption: emu_msg_cb gets called only when something slow is about to happen */
-	reset_timing = 1;
-}
-
-static void emu_state_cb(const char *str)
-{
-	clearArea(0);
-	blit("", str);
-}
-
-static void emu_msg_tray_open(void)
-{
-	strcpy(noticeMsg, "CD tray opened");
-	gettimeofday(&noticeMsgTime, 0);
-}
-
-
 static void update_volume(int has_changed, int is_up)
 {
 	static int prev_frame = 0, wait_frames = 0;
@@ -520,7 +432,7 @@ static void SkipFrame(int do_audio)
 }
 
 
-void emu_forcedFrame(int opts)
+void pemu_forced_frame(int opts)
 {
 	int po_old = PicoOpt;
 	int eo_old = currentConfig.EmuOpt;
@@ -554,9 +466,8 @@ void emu_forcedFrame(int opts)
 	currentConfig.EmuOpt = eo_old;
 }
 
-void emu_platformDebugCat(char *str)
+void plat_debug_cat(char *str)
 {
-	// nothing
 }
 
 static void simpleWait(int thissec, int lim_time)
@@ -575,7 +486,7 @@ static void simpleWait(int thissec, int lim_time)
 	}
 }
 
-void emu_startSound(void)
+void pemu_sound_start(void)
 {
 	static int PsndRate_old = 0, PicoOpt_old = 0, pal_old = 0;
 	int target_fps = Pico.m.pal ? 50 : 60;
@@ -603,17 +514,16 @@ void emu_startSound(void)
 	}
 }
 
-void emu_endSound(void)
+void pemu_sound_stop(void)
 {
 }
 
-/* wait until we can write more sound */
-void emu_waitSound(void)
+void pemu_sound_wait(void)
 {
 	// don't need to do anything, writes will block by themselves
 }
 
-void emu_Loop(void)
+void pemu_loop(void)
 {
 	char fpsbuff[24]; // fps count c string
 	struct timeval tval; // timing
@@ -636,7 +546,7 @@ void emu_Loop(void)
 	target_frametime = 1000000/target_fps;
 	reset_timing = 1;
 
-	emu_startSound();
+	pemu_sound_start();
 
 	// prepare CD buffer
 	if (PicoAHW & PAHW_MCD) PicoCDBufferInit();
@@ -823,6 +733,7 @@ void emu_Loop(void)
 
 	// save SRAM
 	if((currentConfig.EmuOpt & 1) && SRam.changed) {
+		/* FIXME: plat_status_msg_busy_first */
 		emu_state_cb("Writing SRAM/BRAM..");
 		emu_SaveLoadGame(0, 1);
 		SRam.changed = 0;
@@ -830,13 +741,6 @@ void emu_Loop(void)
 
 	// if in 8bit mode, generate 16bit image for menu background
 	if ((PicoOpt&0x10) || !(currentConfig.EmuOpt&0x80))
-		emu_forcedFrame(POPT_EN_SOFTSCALE);
-}
-
-
-void emu_ResetGame(void)
-{
-	PicoReset();
-	reset_timing = 1;
+		pemu_forced_frame(POPT_EN_SOFTSCALE);
 }
 
diff --git a/psp/emu.c b/psp/emu.c
index 4063a04..9e299ea 100644
--- a/psp/emu.c
+++ b/psp/emu.c
@@ -37,7 +37,6 @@ unsigned char *PicoDraw2FB = (unsigned char *)VRAM_CACHED_STUFF + 8; // +8 to be
 int engineStateSuspend;
 
 static unsigned int noticeMsgTime = 0;
-int reset_timing = 0; // do we need this?
 
 #define PICO_PEN_ADJUST_X 4
 #define PICO_PEN_ADJUST_Y 2
@@ -59,7 +58,7 @@ void plat_status_msg(const char *format, ...)
 	noticeMsgTime = sceKernelGetSystemTimeLow();
 }
 
-int emu_getMainDir(char *dst, int len)
+int plat_get_root_dir(char *dst, int len)
 {
 	if (len > 0) *dst = 0;
 	return 0;
@@ -90,44 +89,18 @@ void emu_msg_cb(const char *msg)
 	reset_timing = 1;
 }
 
-static void emu_msg_tray_open(void)
-{
-	plat_status_msg("CD tray opened");
-}
-
-
+/* FIXME: move to plat */
 void emu_Init(void)
 {
-	// make dirs for saves, cfgs, etc.
-	mkdir("mds", 0777);
-	mkdir("srm", 0777);
-	mkdir("brm", 0777);
-	mkdir("cfg", 0777);
-
 	sound_init();
-
-	PicoInit();
-	PicoMessage = emu_msg_cb;
-	PicoMCDopenTray = emu_msg_tray_open;
-	PicoMCDcloseTray = menu_loop_tray;
 }
 
 void emu_Deinit(void)
 {
-	// save SRAM
-	if ((currentConfig.EmuOpt & 1) && SRam.changed) {
-		emu_SaveLoadGame(0, 1);
-		SRam.changed = 0;
-	}
-
-	if (!(currentConfig.EmuOpt & 0x20))
-		config_writelrom(PicoConfigFile);
-
-	PicoExit();
 	sound_deinit();
 }
 
-void emu_prepareDefaultConfig(void)
+void pemu_prep_defconfig(void)
 {
 	memset(&defaultConfig, 0, sizeof(defaultConfig));
 	defaultConfig.EmuOpt    = 0x1d | 0x680; // | <- confirm_save, cd_leds, acc rend
@@ -530,7 +503,7 @@ static void vidResetMode(void)
 	sceGuSync(0,0);
 }
 
-void emu_platformDebugCat(char *str)
+void plat_debug_cat(char *str)
 {
 	strcat(str, blit_16bit_mode ? "soft clut\n" : "hard clut\n");
 }
@@ -613,7 +586,7 @@ static void sound_init(void)
 		lprintf("sceKernelCreateThread failed: %i\n", thid);
 }
 
-void emu_startSound(void)
+void pemu_sound_start(void)
 {
 	static int PsndRate_old = 0, PicoOpt_old = 0, pal_old = 0;
 	int ret, stereo;
@@ -651,7 +624,7 @@ void emu_startSound(void)
 	}
 }
 
-void emu_endSound(void)
+void pemu_sound_stop(void)
 {
 	int i;
 	if (samples_done == 0)
@@ -671,7 +644,7 @@ void emu_endSound(void)
 }
 
 /* wait until we can write more sound */
-void emu_waitSound(void)
+void pemu_sound_wait(void)
 {
 	// TODO: test this
 	while (!sound_thread_exit && samples_made - samples_done > samples_block * 4)
@@ -719,7 +692,7 @@ static void SkipFrame(void)
 	PicoSkipFrame=0;
 }
 
-void emu_forcedFrame(int opts)
+void pemu_forced_frame(int opts)
 {
 	int po_old = PicoOpt;
 	int eo_old = currentConfig.EmuOpt;
@@ -878,7 +851,7 @@ static void simpleWait(unsigned int until)
 		sceKernelDelayThread(diff);
 }
 
-void emu_Loop(void)
+void pemu_loop(void)
 {
 	static int mp3_init_done = 0;
 	char fpsbuff[24]; // fps count c string
@@ -923,9 +896,9 @@ void emu_Loop(void)
 
 	// prepare sound stuff
 	PsndOut = NULL;
-	if (currentConfig.EmuOpt & 4)
+	if (currentConfig.EmuOpt & EOPT_EN_SOUND)
 	{
-		emu_startSound();
+		pemu_sound_start();
 	}
 
 	sceDisplayWaitVblankStart();
@@ -1071,7 +1044,7 @@ void emu_Loop(void)
 	if (PicoAHW & PAHW_MCD) PicoCDBufferFree();
 
 	if (PsndOut != NULL) {
-		emu_endSound();
+		pemu_sound_stop();
 		PsndOut = NULL;
 	}
 
@@ -1086,13 +1059,6 @@ void emu_Loop(void)
 	memset32_uncached((int *)psp_video_get_active_fb() + 512*264*2/4, 0, 512*8*2/4);
 }
 
-
-void emu_ResetGame(void)
-{
-	PicoReset();
-	reset_timing = 1;
-}
-
 void emu_HandleResume(void)
 {
 	if (!(PicoAHW & PAHW_MCD)) return;
diff --git a/psp/main.c b/psp/main.c
index e96eacc..4984115 100644
--- a/psp/main.c
+++ b/psp/main.c
@@ -90,7 +90,7 @@ int pico_main(void)
 					emu_HandleResume();
 					break;
 				}
-				emu_Loop();
+				pemu_loop();
 #ifdef GPROF
 				goto endloop;
 #endif