drc: clear dynarec completely on CD image change
[pcsx_rearmed.git] / frontend / menu.c
index c2fc72a..87b8788 100644 (file)
@@ -1,5 +1,5 @@
 /*
- * (C) Gražvydas "notaz" Ignotas, 2010
+ * (C) Gražvydas "notaz" Ignotas, 2010-2011
  *
  * This work is licensed under the terms of any of these licenses
  * (at your option):
 #include <stdio.h>
 #include <string.h>
 #include <errno.h>
+#include <dlfcn.h>
+#include <zlib.h>
 
+#include "main.h"
 #include "menu.h"
 #include "config.h"
+#include "plugin.h"
 #include "plugin_lib.h"
 #include "omap.h"
+#include "pcnt.h"
 #include "common/plat.h"
-#include "../gui/Linux.h"
 #include "../libpcsxcore/misc.h"
+#include "../libpcsxcore/cdrom.h"
+#include "../libpcsxcore/psemu_plugin_defs.h"
 #include "../libpcsxcore/new_dynarec/new_dynarec.h"
+#include "../plugins/dfinput/pad.h"
 #include "revision.h"
 
 #define MENU_X2 1
@@ -33,6 +40,8 @@ typedef enum
        MA_MAIN_LOAD_STATE,
        MA_MAIN_RESET_GAME,
        MA_MAIN_LOAD_ROM,
+       MA_MAIN_SWAP_CD,
+       MA_MAIN_RUN_BIOS,
        MA_MAIN_CONTROLS,
        MA_MAIN_CREDITS,
        MA_MAIN_EXIT,
@@ -55,18 +64,19 @@ enum {
        SCALE_CUSTOM,
 };
 
-extern int ready_to_go;
-static int game_config_loaded;
 static int last_psx_w, last_psx_h, last_psx_bpp;
-static int scaling, filter, state_slot, cpu_clock;
+static int scaling, filter, cpu_clock, cpu_clock_st;
 static char rom_fname_reload[MAXPATHLEN];
 static char last_selected_fname[MAXPATHLEN];
+static int warned_about_bios, region, in_type_sel;
 int g_opts;
 
 // from softgpu plugin
 extern int iUseDither;
 extern int UseFrameSkip;
 extern uint32_t dwActFixes;
+extern float fFrameRateHz;
+extern int dwFrameRateTicks;
 
 // sound plugin
 extern int iUseReverb;
@@ -75,6 +85,11 @@ extern int iXAPitch;
 extern int iSPUIRQWait;
 extern int iUseTimer;
 
+static const char *bioses[24];
+static const char *gpu_plugins[16];
+static const char *spu_plugins[16];
+static int bios_sel, gpu_plugsel, spu_plugsel;
+
 
 static int min(int x, int y) { return x < y ? x : y; }
 static int max(int x, int y) { return x > y ? x : y; }
@@ -93,54 +108,67 @@ void emu_make_path(char *buff, const char *end, int size)
 
 static int emu_check_save_file(int slot)
 {
-       char *fname;
-       int ret;
-
-       fname = get_state_filename(slot);
-       if (fname == NULL)
-               return 0;
-
-       ret = CheckState(fname);
-       free(fname);
+       int ret = emu_check_state(slot);
        return ret == 0 ? 1 : 0;
 }
 
-static int emu_save_load_game(int load, int sram)
+static int emu_save_load_game(int load, int unused)
 {
-       char *fname;
        int ret;
 
-       fname = get_state_filename(state_slot);
-       if (fname == NULL)
-               return 0;
+       if (load) {
+               ret = emu_load_state(state_slot);
 
-       if (load)
-               ret = LoadState(fname);
+               // reflect hle/bios mode from savestate
+               if (Config.HLE)
+                       bios_sel = 0;
+               else if (bios_sel == 0 && bioses[1] != NULL)
+                       // XXX: maybe find the right bios instead
+                       bios_sel = 1;
+       }
        else
-               ret = SaveState(fname);
-       free(fname);
+               ret = emu_save_state(state_slot);
 
        return ret;
 }
 
-static void draw_savestate_bg(int slot)
+// propagate menu settings to the emu vars
+static void menu_sync_config(void)
 {
+       Config.PsxAuto = 1;
+       if (region > 0) {
+               Config.PsxAuto = 0;
+               Config.PsxType = region - 1;
+       }
+       in_type = in_type_sel ? PSE_PAD_TYPE_ANALOGPAD : PSE_PAD_TYPE_STANDARD;
+
+       pl_frame_interval = Config.PsxType ? 20000 : 16667;
+       // used by P.E.Op.S. frameskip code
+       fFrameRateHz = Config.PsxType ? 50.0f : 59.94f;
+       dwFrameRateTicks = (100000*100 / (unsigned long)(fFrameRateHz*100));
 }
 
 static void menu_set_defconfig(void)
 {
+       g_opts = 0;
        scaling = SCALE_4_3;
 
+       region = 0;
+       in_type_sel = 0;
        Config.Xa = Config.Cdda = Config.Sio =
        Config.SpuIrq = Config.RCntFix = Config.VSyncWA = 0;
 
-       iUseDither = UseFrameSkip = 0;
+       iUseDither = 0;
+       UseFrameSkip = 1;
        dwActFixes = 1<<7;
 
        iUseReverb = 2;
        iUseInterpolation = 1;
-       iXAPitch = iSPUIRQWait = 0;
+       iXAPitch = 0;
+       iSPUIRQWait = 1;
        iUseTimer = 2;
+
+       menu_sync_config();
 }
 
 #define CE_CONFIG_STR(val) \
@@ -155,6 +183,10 @@ static void menu_set_defconfig(void)
 #define CE_INTVAL(val) \
        { #val, sizeof(val), &val }
 
+// 'versioned' var, used when defaults change
+#define CE_INTVAL_V(val, ver) \
+       { #val #ver, sizeof(val), &val }
+
 static const struct {
        const char *name;
        size_t len;
@@ -163,11 +195,10 @@ static const struct {
        CE_CONFIG_STR(Bios),
        CE_CONFIG_STR(Gpu),
        CE_CONFIG_STR(Spu),
-       CE_CONFIG_STR(Cdr),
+//     CE_CONFIG_STR(Cdr),
        CE_CONFIG_VAL(Xa),
        CE_CONFIG_VAL(Sio),
        CE_CONFIG_VAL(Mdec),
-       CE_CONFIG_VAL(PsxAuto),
        CE_CONFIG_VAL(Cdda),
        CE_CONFIG_VAL(Debug),
        CE_CONFIG_VAL(PsxOut),
@@ -175,35 +206,62 @@ static const struct {
        CE_CONFIG_VAL(RCntFix),
        CE_CONFIG_VAL(VSyncWA),
        CE_CONFIG_VAL(Cpu),
-       CE_CONFIG_VAL(PsxType),
+       CE_INTVAL(region),
        CE_INTVAL(scaling),
+       CE_INTVAL(g_layer_x),
+       CE_INTVAL(g_layer_y),
+       CE_INTVAL(g_layer_w),
+       CE_INTVAL(g_layer_h),
        CE_INTVAL(filter),
        CE_INTVAL(state_slot),
        CE_INTVAL(cpu_clock),
        CE_INTVAL(g_opts),
+       CE_INTVAL(in_type_sel),
        CE_INTVAL(iUseDither),
        CE_INTVAL(UseFrameSkip),
        CE_INTVAL(dwActFixes),
        CE_INTVAL(iUseReverb),
-       CE_INTVAL(iUseInterpolation),
        CE_INTVAL(iXAPitch),
-       CE_INTVAL(iSPUIRQWait),
+       CE_INTVAL_V(iUseInterpolation, 2),
+       CE_INTVAL_V(iSPUIRQWait, 2),
        CE_INTVAL(iUseTimer),
+       CE_INTVAL(warned_about_bios),
 };
 
+static char *get_cd_label(void)
+{
+       static char trimlabel[33];
+       int j;
+
+       strncpy(trimlabel, CdromLabel, 32);
+       trimlabel[32] = 0;
+       for (j = 31; j >= 0; j--)
+               if (trimlabel[j] == ' ')
+                       trimlabel[j] = 0;
+
+       return trimlabel;
+}
+
+static void make_cfg_fname(char *buf, size_t size, int is_game)
+{
+       if (is_game)
+               snprintf(buf, size, "." PCSX_DOT_DIR "cfg/%.32s-%.9s.cfg", get_cd_label(), CdromId);
+       else
+               snprintf(buf, size, "." PCSX_DOT_DIR "%s", cfgfile_basename);
+}
+
+static void keys_write_all(FILE *f);
+
 static int menu_write_config(int is_game)
 {
        char cfgfile[MAXPATHLEN];
        FILE *f;
        int i;
 
-       if (is_game)
-               return -1;
-
-       snprintf(cfgfile, sizeof(cfgfile), "." PCSX_DOT_DIR "%s", cfgfile_basename);
+       make_cfg_fname(cfgfile, sizeof(cfgfile), is_game);
        f = fopen(cfgfile, "w");
        if (f == NULL) {
-               printf("failed to open: %s\n", cfgfile);
+               printf("menu_write_config: failed to open: %s\n", cfgfile);
                return -1;
        }
 
@@ -232,7 +290,9 @@ static int menu_write_config(int is_game)
        if (!is_game)
                fprintf(f, "lastcdimg = %s\n", last_selected_fname);
 
+       keys_write_all(f);
        fclose(f);
+
        return 0;
 }
 
@@ -248,6 +308,8 @@ static void parse_str_val(char *cval, const char *src)
                *tmp = 0;
 }
 
+static void keys_load_all(const char *cfg);
+
 static int menu_load_config(int is_game)
 {
        char cfgfile[MAXPATHLEN];
@@ -256,13 +318,10 @@ static int menu_load_config(int is_game)
        char *cfg;
        FILE *f;
 
-       if (is_game)
-               return -1;
-
-       snprintf(cfgfile, sizeof(cfgfile), "." PCSX_DOT_DIR "%s", cfgfile_basename);
+       make_cfg_fname(cfgfile, sizeof(cfgfile), is_game);
        f = fopen(cfgfile, "r");
        if (f == NULL) {
-               printf("failed to open: %s\n", cfgfile);
+               printf("menu_load_config: failed to open: %s\n", cfgfile);
                return -1;
        }
 
@@ -331,6 +390,23 @@ static int menu_load_config(int is_game)
                }
        }
 
+       menu_sync_config();
+
+       // sync plugins
+       for (i = bios_sel = 0; bioses[i] != NULL; i++)
+               if (strcmp(Config.Bios, bioses[i]) == 0)
+                       { bios_sel = i; break; }
+
+       for (i = gpu_plugsel = 0; gpu_plugins[i] != NULL; i++)
+               if (strcmp(Config.Gpu, gpu_plugins[i]) == 0)
+                       { gpu_plugsel = i; break; }
+
+       for (i = spu_plugsel = 0; spu_plugins[i] != NULL; i++)
+               if (strcmp(Config.Spu, spu_plugins[i]) == 0)
+                       { spu_plugsel = i; break; }
+
+       keys_load_all(cfg);
+       ret = 0;
 fail_read:
        free(cfg);
 fail:
@@ -341,8 +417,8 @@ fail:
 // rrrr rggg gggb bbbb
 static unsigned short fname2color(const char *fname)
 {
-       static const char *cdimg_exts[] = { ".bin", ".img", ".iso", ".z", ".cue" };
-       static const char *other_exts[] = { ".ccd", ".toc", ".mds", ".sub", ".table" };
+       static const char *cdimg_exts[] = { ".bin", ".img", ".iso", ".cue", ".z", ".bz", ".znx", ".pbp" };
+       static const char *other_exts[] = { ".ccd", ".toc", ".mds", ".sub", ".table", ".index", ".sbi" };
        const char *ext = strrchr(fname, '.');
        int i;
 
@@ -357,11 +433,80 @@ static unsigned short fname2color(const char *fname)
        return 0xffff;
 }
 
+static void draw_savestate_bg(int slot);
+
 #define MENU_ALIGN_LEFT
 #define menu_init menu_init_common
 #include "common/menu.c"
 #undef menu_init
 
+// a bit of black magic here
+static void draw_savestate_bg(int slot)
+{
+       extern void bgr555_to_rgb565(void *dst, void *src, int bytes);
+       static const int psx_widths[8]  = { 256, 368, 320, 384, 512, 512, 640, 640 };
+       int x, y, w, h;
+       char fname[MAXPATHLEN];
+       GPUFreeze_t *gpu;
+       u16 *s, *d;
+       gzFile f;
+       int ret;
+       u32 tmp;
+
+       ret = get_state_filename(fname, sizeof(fname), slot);
+       if (ret != 0)
+               return;
+
+       f = gzopen(fname, "rb");
+       if (f == NULL)
+               return;
+
+       if (gzseek(f, 0x29933d, SEEK_SET) != 0x29933d) {
+               fprintf(stderr, "gzseek failed\n");
+               gzclose(f);
+               return;
+       }
+
+       gpu = malloc(sizeof(*gpu));
+       if (gpu == NULL) {
+               gzclose(f);
+               return;
+       }
+
+       ret = gzread(f, gpu, sizeof(*gpu));
+       gzclose(f);
+       if (ret != sizeof(*gpu)) {
+               fprintf(stderr, "gzread failed\n");
+               goto out;
+       }
+
+       memcpy(g_menubg_ptr, g_menubg_src_ptr, g_menuscreen_w * g_menuscreen_h * 2);
+
+       if ((gpu->ulStatus & 0x800000) || (gpu->ulStatus & 0x200000))
+               goto out; // disabled || 24bpp (NYET)
+
+       x = gpu->ulControl[5] & 0x3ff;
+       y = (gpu->ulControl[5] >> 10) & 0x1ff;
+       s = (u16 *)gpu->psxVRam + y * 1024 + (x & ~3);
+       w = psx_widths[(gpu->ulStatus >> 16) & 7];
+       tmp = gpu->ulControl[7];
+       h = ((tmp >> 10) & 0x3ff) - (tmp & 0x3ff);
+       if (gpu->ulStatus & 0x80000) // doubleheight
+               h *= 2;
+
+       x = max(0, g_menuscreen_w - w) & ~3;
+       y = max(0, g_menuscreen_h / 2 - h / 2);
+       w = min(g_menuscreen_w, w);
+       h = min(g_menuscreen_h, h);
+       d = (u16 *)g_menubg_ptr + g_menuscreen_w * y + x;
+
+       for (; h > 0; h--, d += g_menuscreen_w, s += 1024)
+               bgr555_to_rgb565(d, s, w * 2);
+
+out:
+       free(gpu);
+}
+
 // ---------- pandora specific -----------
 
 static const char pnd_script_base[] = "sudo -n /usr/pandora/scripts";
@@ -418,10 +563,10 @@ static void pnd_menu_init(void)
        struct dirent *ent;
        int i, count = 0;
        char **mfilters;
-       char buff[64], *p;
+       char buff[64];
        DIR *dir;
 
-       cpu_clock = get_cpu_clock();
+       cpu_clock_st = cpu_clock = get_cpu_clock();
 
        dir = opendir("/etc/pandora/conf/dss_fir");
        if (dir == NULL) {
@@ -437,9 +582,11 @@ static void pnd_menu_init(void)
                                perror("readdir");
                        break;
                }
-               p = strstr(ent->d_name, "_up");
-               if (p != NULL && (p[3] == 0 || !strcmp(p + 3, "_h")))
-                       count++;
+
+               if (ent->d_type != DT_REG && ent->d_type != DT_LNK)
+                       continue;
+
+               count++;
        }
 
        if (count == 0)
@@ -453,11 +600,21 @@ static void pnd_menu_init(void)
        for (i = 0; (ent = readdir(dir)); ) {
                size_t len;
 
-               p = strstr(ent->d_name, "_up");
-               if (p == NULL || (p[3] != 0 && strcmp(p + 3, "_h")))
+               if (ent->d_type != DT_REG && ent->d_type != DT_LNK)
+                       continue;
+
+               len = strlen(ent->d_name);
+
+               // skip pre-HF5 extra files
+               if (len >= 3 && strcmp(ent->d_name + len - 3, "_v3") == 0)
+                       continue;
+               if (len >= 3 && strcmp(ent->d_name + len - 3, "_v5") == 0)
                        continue;
 
-               len = p - ent->d_name;
+               // have to cut "_up_h" for pre-HF5
+               if (len > 5 && strcmp(ent->d_name + len - 5, "_up_h") == 0)
+                       len -= 5;
+
                if (len > sizeof(buff) - 1)
                        continue;
 
@@ -474,6 +631,12 @@ static void pnd_menu_init(void)
        pnd_filter_list = mfilters;
 }
 
+void menu_finish(void)
+{
+       cpu_clock = cpu_clock_st;
+       apply_cpu_clock();
+}
+
 // -------------- key config --------------
 
 me_bind_action me_ctrl_actions[] =
@@ -483,13 +646,15 @@ me_bind_action me_ctrl_actions[] =
        { "LEFT    ", 1 << DKEY_LEFT },
        { "RIGHT   ", 1 << DKEY_RIGHT },
        { "TRIANGLE", 1 << DKEY_TRIANGLE },
-       { "CIRCLE  ", 1 << DKEY_SQUARE },
+       { "CIRCLE  ", 1 << DKEY_CIRCLE },
        { "CROSS   ", 1 << DKEY_CROSS },
        { "SQUARE  ", 1 << DKEY_SQUARE },
        { "L1      ", 1 << DKEY_L1 },
        { "R1      ", 1 << DKEY_R1 },
        { "L2      ", 1 << DKEY_L2 },
        { "R2      ", 1 << DKEY_R2 },
+       { "L3      ", 1 << DKEY_L3 },
+       { "R3      ", 1 << DKEY_R3 },
        { "START   ", 1 << DKEY_START },
        { "SELECT  ", 1 << DKEY_SELECT },
        { NULL,       0 }
@@ -497,16 +662,186 @@ me_bind_action me_ctrl_actions[] =
 
 me_bind_action emuctrl_actions[] =
 {
-/*
-       { "Load State       ", PEV_STATE_LOAD },
-       { "Save State       ", PEV_STATE_SAVE },
-       { "Prev Save Slot   ", PEV_SSLOT_PREV },
-       { "Next Save Slot   ", PEV_SSLOT_NEXT },
-*/
-       { "Enter Menu       ", PEV_MENU },
+       { "Save State       ", 1 << SACTION_SAVE_STATE },
+       { "Load State       ", 1 << SACTION_LOAD_STATE },
+       { "Prev Save Slot   ", 1 << SACTION_PREV_SSLOT },
+       { "Next Save Slot   ", 1 << SACTION_NEXT_SSLOT },
+       { "Toggle Frameskip ", 1 << SACTION_TOGGLE_FSKIP },
+       { "Enter Menu       ", 1 << SACTION_ENTER_MENU },
        { NULL,                0 }
 };
 
+static char *mystrip(char *str)
+{
+       int i, len;
+
+       len = strlen(str);
+       for (i = 0; i < len; i++)
+               if (str[i] != ' ') break;
+       if (i > 0) memmove(str, str + i, len - i + 1);
+
+       len = strlen(str);
+       for (i = len - 1; i >= 0; i--)
+               if (str[i] != ' ') break;
+       str[i+1] = 0;
+
+       return str;
+}
+
+static void get_line(char *d, size_t size, const char *s)
+{
+       const char *pe;
+       size_t len;
+
+       for (pe = s; *pe != '\r' && *pe != '\n' && *pe != 0; pe++)
+               ;
+       len = pe - s;
+       if (len > size - 1)
+               len = size - 1;
+       strncpy(d, s, len);
+       d[len] = 0;
+
+       mystrip(d);
+}
+
+static void keys_write_all(FILE *f)
+{
+       int d;
+
+       for (d = 0; d < IN_MAX_DEVS; d++)
+       {
+               const int *binds = in_get_dev_binds(d);
+               const char *name = in_get_dev_name(d, 0, 0);
+               int k, count = 0;
+
+               if (binds == NULL || name == NULL)
+                       continue;
+
+               fprintf(f, "binddev = %s\n", name);
+               in_get_config(d, IN_CFG_BIND_COUNT, &count);
+
+               for (k = 0; k < count; k++)
+               {
+                       int i, kbinds, mask;
+                       char act[32];
+
+                       act[0] = act[31] = 0;
+                       name = in_get_key_name(d, k);
+
+                       kbinds = binds[IN_BIND_OFFS(k, IN_BINDTYPE_PLAYER12)];
+                       for (i = 0; kbinds && i < ARRAY_SIZE(me_ctrl_actions) - 1; i++) {
+                               mask = me_ctrl_actions[i].mask;
+                               if (mask & kbinds) {
+                                       strncpy(act, me_ctrl_actions[i].name, 31);
+                                       fprintf(f, "bind %s = player1 %s\n", name, mystrip(act));
+                                       kbinds &= ~mask;
+                               }
+                               mask = me_ctrl_actions[i].mask << 16;
+                               if (mask & kbinds) {
+                                       strncpy(act, me_ctrl_actions[i].name, 31);
+                                       fprintf(f, "bind %s = player2 %s\n", name, mystrip(act));
+                                       kbinds &= ~mask;
+                               }
+                       }
+
+                       kbinds = binds[IN_BIND_OFFS(k, IN_BINDTYPE_EMU)];
+                       for (i = 0; kbinds && i < ARRAY_SIZE(emuctrl_actions) - 1; i++) {
+                               mask = emuctrl_actions[i].mask;
+                               if (mask & kbinds) {
+                                       strncpy(act, emuctrl_actions[i].name, 31);
+                                       fprintf(f, "bind %s = %s\n", name, mystrip(act));
+                                       kbinds &= ~mask;
+                               }
+                       }
+               }
+       }
+}
+
+static int parse_bind_val(const char *val, int *type)
+{
+       int i;
+
+       *type = IN_BINDTYPE_NONE;
+       if (val[0] == 0)
+               return 0;
+       
+       if (strncasecmp(val, "player", 6) == 0)
+       {
+               int player, shift = 0;
+               player = atoi(val + 6) - 1;
+
+               if ((unsigned int)player > 1)
+                       return -1;
+               if (player == 1)
+                       shift = 16;
+
+               *type = IN_BINDTYPE_PLAYER12;
+               for (i = 0; me_ctrl_actions[i].name != NULL; i++) {
+                       if (strncasecmp(me_ctrl_actions[i].name, val + 8, strlen(val + 8)) == 0)
+                               return me_ctrl_actions[i].mask << shift;
+               }
+       }
+       for (i = 0; emuctrl_actions[i].name != NULL; i++) {
+               if (strncasecmp(emuctrl_actions[i].name, val, strlen(val)) == 0) {
+                       *type = IN_BINDTYPE_EMU;
+                       return emuctrl_actions[i].mask;
+               }
+       }
+
+       return -1;
+}
+
+static void keys_load_all(const char *cfg)
+{
+       char dev[256], key[128], *act;
+       const char *p;
+       int bind, bindtype;
+       int dev_id;
+
+       p = cfg;
+       while (p != NULL && (p = strstr(p, "binddev = ")) != NULL) {
+               p += 10;
+
+               get_line(dev, sizeof(dev), p);
+               dev_id = in_config_parse_dev(dev);
+               if (dev_id < 0) {
+                       printf("input: can't handle dev: %s\n", dev);
+                       continue;
+               }
+
+               in_unbind_all(dev_id, -1, -1);
+               while ((p = strstr(p, "bind"))) {
+                       if (strncmp(p, "binddev = ", 10) == 0)
+                               break;
+
+                       p += 4;
+                       if (*p != ' ') {
+                               printf("input: parse error: %16s..\n", p);
+                               continue;
+                       }
+
+                       get_line(key, sizeof(key), p);
+                       act = strchr(key, '=');
+                       if (act == NULL) {
+                               printf("parse failed: %16s..\n", p);
+                               continue;
+                       }
+                       *act = 0;
+                       act++;
+                       mystrip(key);
+                       mystrip(act);
+
+                       bind = parse_bind_val(act, &bindtype);
+                       if (bind != -1 && bind != 0) {
+                               //printf("bind #%d '%s' %08x (%s)\n", dev_id, key, bind, act);
+                               in_config_bind_key(dev_id, key, bind, bindtype);
+                       }
+                       else
+                               lprintf("config: unhandled action \"%s\"\n", act);
+               }
+       }
+}
+
 static int key_config_loop_wrap(int id, int keys)
 {
        switch (id) {
@@ -548,30 +883,27 @@ static const char *mgn_saveloadcfg(int id, int *offs)
        return "";
 }
 
-static int mh_saveloadcfg(int id, int keys)
+static int mh_savecfg(int id, int keys)
 {
-       switch (id) {
-       case MA_OPT_SAVECFG:
-       case MA_OPT_SAVECFG_GAME:
-               if (menu_write_config(id == MA_OPT_SAVECFG_GAME ? 1 : 0) == 0)
-                       me_update_msg("config saved");
-               else
-                       me_update_msg("failed to write config");
-               break;
-       default:
-               return 0;
-       }
+       if (menu_write_config(id == MA_OPT_SAVECFG_GAME ? 1 : 0) == 0)
+               me_update_msg("config saved");
+       else
+               me_update_msg("failed to write config");
 
        return 1;
 }
 
+static const char *men_in_type_sel[] = { "Standard (SCPH-1080)", "Analog (SCPH-1150)", NULL };
+
 static menu_entry e_menu_keyconfig[] =
 {
        mee_handler_id("Player 1",          MA_CTRL_PLAYER1,    key_config_loop_wrap),
        mee_handler_id("Player 2",          MA_CTRL_PLAYER2,    key_config_loop_wrap),
        mee_handler_id("Emulator controls", MA_CTRL_EMU,        key_config_loop_wrap),
-       mee_cust_nosave("Save global config",       MA_OPT_SAVECFG, mh_saveloadcfg, mgn_saveloadcfg),
-//     mee_cust_nosave("Save cfg for loaded game", MA_OPT_SAVECFG_GAME, mh_saveloadcfg, mgn_saveloadcfg),
+       mee_label     (""),
+       mee_enum      ("Controller",        0, in_type_sel,     men_in_type_sel),
+       mee_cust_nosave("Save global config",       MA_OPT_SAVECFG,      mh_savecfg, mgn_saveloadcfg),
+       mee_cust_nosave("Save cfg for loaded game", MA_OPT_SAVECFG_GAME, mh_savecfg, mgn_saveloadcfg),
        mee_label     (""),
        mee_label     ("Input devices:"),
        mee_label_mk  (MA_CTRL_DEV_FIRST, mgn_dev_name),
@@ -588,7 +920,7 @@ static int menu_loop_keyconfig(int id, int keys)
 {
        static int sel = 0;
 
-//     me_enable(e_menu_keyconfig, MA_OPT_SAVECFG_GAME, ready_to_go);
+//     me_enable(e_menu_keyconfig, MA_OPT_SAVECFG_GAME, ready_to_go && CdromId[0]);
        me_loop(e_menu_keyconfig, &sel, NULL);
        return 0;
 }
@@ -607,13 +939,13 @@ static int menu_loop_cscaler(int id, int keys)
        scaling = SCALE_CUSTOM;
 
        omap_enable_layer(1);
-       //pnd_restore_layer_data();
 
        for (;;)
        {
                menu_draw_begin(0);
-               memset(g_menuscreen_ptr, 0, g_menuscreen_w * g_menuscreen_h * 2);
-               text_out16(2, 480 - 18, "%dx%d | d-pad to resize, R+d-pad to move", g_layer_w, g_layer_h);
+               memset(g_menuscreen_ptr, 4, g_menuscreen_w * g_menuscreen_h * 2);
+               text_out16(2, 2, "%d,%d", g_layer_x, g_layer_y);
+               text_out16(2, 480 - 18, "%dx%d | d-pad: resize, R+d-pad: move", g_layer_w, g_layer_h);
                menu_draw_end();
 
                inp = in_menu_wait(PBTN_UP|PBTN_DOWN|PBTN_LEFT|PBTN_RIGHT|PBTN_R|PBTN_MOK|PBTN_MBACK, 40);
@@ -671,8 +1003,6 @@ static int menu_loop_gfx_options(int id, int keys)
 // ------------ bios/plugins ------------
 
 static const char *men_gpu_dithering[] = { "None", "Game dependant", "Always", NULL };
-static const char h_gpu[]              = "Configure built-in P.E.Op.S. SoftGL Driver V1.17\n"
-                                        "Coded by Pete Bernert and the P.E.Op.S. team";
 static const char h_gpu_0[]            = "Needed for Chrono Cross";
 static const char h_gpu_1[]            = "Capcom fighting games";
 static const char h_gpu_2[]            = "Black screens in Lunar";
@@ -707,10 +1037,8 @@ static int menu_loop_plugin_gpu(int id, int keys)
 
 static const char *men_spu_reverb[] = { "Off", "Fake", "On", NULL };
 static const char *men_spu_interp[] = { "None", "Simple", "Gaussian", "Cubic", NULL };
-static const char h_spu[]           = "Configure built-in P.E.Op.S. Sound Driver V1.7\n"
-                                     "Coded by Pete Bernert and the P.E.Op.S. team";
-static const char h_spu_irq_wait[]  = "Wait for CPU; only useful for some games, may cause glitches";
-static const char h_spu_thread[]    = "Run sound emulation in separate thread";
+static const char h_spu_irq_wait[]  = "Wait for CPU (recommended set to ON)";
+static const char h_spu_thread[]    = "Run sound emulation in main thread (recommended)";
 
 static menu_entry e_menu_plugin_spu[] =
 {
@@ -718,7 +1046,7 @@ static menu_entry e_menu_plugin_spu[] =
        mee_enum      ("Interpolation",             0, iUseInterpolation, men_spu_interp),
        mee_onoff     ("Adjust XA pitch",           0, iXAPitch, 1),
        mee_onoff_h   ("SPU IRQ Wait",              0, iSPUIRQWait, 1, h_spu_irq_wait),
-       mee_onoff_h   ("Use sound thread",          0, iUseTimer, 1, h_spu_thread),
+       mee_onoff_h   ("Sound in main thread",      0, iUseTimer, 2, h_spu_thread),
        mee_end,
 };
 
@@ -729,22 +1057,44 @@ static int menu_loop_plugin_spu(int id, int keys)
        return 0;
 }
 
+static const char h_bios[]       = "HLE is simulated BIOS. BIOS selection is saved in savestates\n"
+                                  "and can't be changed there. Must save config and reload\n"
+                                  "the game for change to take effect";
+static const char h_plugin_xpu[] = "Must save config and reload the game\n"
+                                  "for plugin change to take effect";
+static const char h_gpu[]        = "Configure built-in P.E.Op.S. SoftGL Driver V1.17";
+static const char h_spu[]        = "Configure built-in P.E.Op.S. Sound Driver V1.7";
+
 static menu_entry e_menu_plugin_options[] =
 {
+       mee_enum_h    ("BIOS",                          0, bios_sel, bioses, h_bios),
+       mee_enum_h    ("GPU plugin",                    0, gpu_plugsel, gpu_plugins, h_plugin_xpu),
+       mee_enum_h    ("SPU plugin",                    0, spu_plugsel, spu_plugins, h_plugin_xpu),
        mee_handler_h ("Configure built-in GPU plugin", menu_loop_plugin_gpu, h_gpu),
        mee_handler_h ("Configure built-in SPU plugin", menu_loop_plugin_spu, h_spu),
        mee_end,
 };
 
+static menu_entry e_menu_main[];
+
 static int menu_loop_plugin_options(int id, int keys)
 {
        static int sel = 0;
        me_loop(e_menu_plugin_options, &sel, NULL);
+
+       // sync BIOS/plugins
+       snprintf(Config.Bios, sizeof(Config.Bios), "%s", bioses[bios_sel]);
+       snprintf(Config.Gpu, sizeof(Config.Gpu), "%s", gpu_plugins[gpu_plugsel]);
+       snprintf(Config.Spu, sizeof(Config.Spu), "%s", spu_plugins[spu_plugsel]);
+       me_enable(e_menu_main, MA_MAIN_RUN_BIOS, bios_sel != 0);
+
        return 0;
 }
 
 // ------------ adv options menu ------------
 
+static const char h_cfg_cpul[]   = "Shows CPU usage in %";
+static const char h_cfg_fl[]     = "Frame Limiter keeps the game from running too fast";
 static const char h_cfg_xa[]     = "Disables XA sound, which can sometimes improve performance";
 static const char h_cfg_cdda[]   = "Disable CD Audio for a performance boost\n"
                                   "(proper .cue/.bin dump is needed otherwise)";
@@ -752,16 +1102,20 @@ static const char h_cfg_sio[]    = "This should be enabled for certain memcards/
 static const char h_cfg_spuirq[] = "Compatibility tweak; should probably be left off";
 static const char h_cfg_rcnt1[]  = "Parasite Eve 2, Vandal Hearts 1/2 Fix";
 static const char h_cfg_rcnt2[]  = "InuYasha Sengoku Battle Fix";
+static const char h_cfg_nodrc[]  = "Disable dynamic recompiler and use interpreter\n"
+                                  "Might be useful to overcome some dynarec bugs";
 
 static menu_entry e_menu_adv_options[] =
 {
-       mee_onoff     ("Show CPU load",          0, g_opts, OPT_SHOWCPU),
+       mee_onoff_h   ("Show CPU load",          0, g_opts, OPT_SHOWCPU, h_cfg_cpul),
+       mee_onoff_h   ("Disable Frame Limiter",  0, g_opts, OPT_NO_FRAMELIM, h_cfg_fl),
        mee_onoff_h   ("Disable XA Decoding",    0, Config.Xa, 1, h_cfg_xa),
        mee_onoff_h   ("Disable CD Audio",       0, Config.Cdda, 1, h_cfg_cdda),
        mee_onoff_h   ("SIO IRQ Always Enabled", 0, Config.Sio, 1, h_cfg_sio),
        mee_onoff_h   ("SPU IRQ Always Enabled", 0, Config.SpuIrq, 1, h_cfg_spuirq),
        mee_onoff_h   ("Rootcounter hack",       0, Config.RCntFix, 1, h_cfg_rcnt1),
        mee_onoff_h   ("Rootcounter hack 2",     0, Config.VSyncWA, 1, h_cfg_rcnt2),
+       mee_onoff_h   ("Disable dynarec (slow!)",0, Config.Cpu, 1, h_cfg_nodrc),
        mee_end,
 };
 
@@ -781,7 +1135,7 @@ static int mh_restore_defaults(int id, int keys)
        return 1;
 }
 
-static const char *men_region[]       = { "NTSC", "PAL", NULL };
+static const char *men_region[]       = { "Auto", "NTSC", "PAL", NULL };
 /*
 static const char *men_confirm_save[] = { "OFF", "writes", "loads", "both", NULL };
 static const char h_confirm_save[]    = "Ask for confirmation when overwriting save,\n"
@@ -796,13 +1150,13 @@ static menu_entry e_menu_options[] =
 //     mee_enum_h    ("Confirm savestate",        0, dummy, men_confirm_save, h_confirm_save),
        mee_onoff     ("Frameskip",                0, UseFrameSkip, 1),
        mee_onoff     ("Show FPS",                 0, g_opts, OPT_SHOWFPS),
-       mee_enum      ("Region",                   0, Config.PsxType, men_region),
+       mee_enum      ("Region",                   0, region, men_region),
        mee_range     ("CPU clock",                MA_OPT_CPU_CLOCKS, cpu_clock, 20, 5000),
        mee_handler   ("[Display]",                menu_loop_gfx_options),
        mee_handler   ("[BIOS/Plugins]",           menu_loop_plugin_options),
        mee_handler   ("[Advanced]",               menu_loop_adv_options),
-       mee_cust_nosave("Save global config",      MA_OPT_SAVECFG,      mh_saveloadcfg, mgn_saveloadcfg),
-//     mee_cust_nosave("Save cfg for loaded game",MA_OPT_SAVECFG_GAME, mh_saveloadcfg, mgn_saveloadcfg),
+       mee_cust_nosave("Save global config",      MA_OPT_SAVECFG,      mh_savecfg, mgn_saveloadcfg),
+       mee_cust_nosave("Save cfg for loaded game",MA_OPT_SAVECFG_GAME, mh_savecfg, mgn_saveloadcfg),
        mee_handler_h ("Restore default config",   mh_restore_defaults, h_restore_def),
        mee_end,
 };
@@ -814,7 +1168,7 @@ static int menu_loop_options(int id, int keys)
 
        i = me_id2offset(e_menu_options, MA_OPT_CPU_CLOCKS);
        e_menu_options[i].enabled = cpu_clock != 0 ? 1 : 0;
-//     me_enable(e_menu_options, MA_OPT_SAVECFG_GAME, ready_to_go);
+       me_enable(e_menu_options, MA_OPT_SAVECFG_GAME, ready_to_go && CdromId[0]);
 
        me_loop(e_menu_options, &sel, NULL);
 
@@ -847,67 +1201,209 @@ static void debug_menu_loop(void)
 
 // ------------ main menu ------------
 
+static void menu_bios_warn(void)
+{
+       int inp;
+       static const char msg[] =
+               "You don't seem to have copied any BIOS files to\n"
+               "<SD card>/pandora/appdata/pcsx_rearmed/bios/\n\n"
+               "While many games work fine with fake (HLE) BIOS,\n"
+               "others (like MGS and FF8) require BIOS to work.\n"
+               "After copying the file, you'll also need to\n"
+               "select it in the emu's options->[BIOS/Plugins]\n\n"
+               "The file is usually named SCPH1001.BIN, but\n"
+               "other not compressed files can be used too.\n\n"
+               "Press (B) or (X) to continue";
+
+       while (1)
+       {
+               menu_draw_begin(1);
+               draw_menu_message(msg, NULL);
+               menu_draw_end();
+
+               inp = in_menu_wait(PBTN_MOK|PBTN_MBACK, 70);
+               if (inp & (PBTN_MBACK|PBTN_MOK))
+                       return;
+       }
+}
+
+// ------------ main menu ------------
+
 void OnFile_Exit();
 
-const char *plat_get_credits(void)
-{
-       return  "PCSX-ReARMed\n\n"
-               "(C) 1999-2003 PCSX Team\n"
-               "(C) 2005-2009 PCSX-df Team\n"
-               "(C) 2009-2010 PCSX-Reloaded Team\n\n"
-               "GPU and SPU code by Pete Bernert\n"
-               "  and the P.E.Op.S. team\n"
-               "ARM recompiler (C) 2009-2010 Ari64\n\n"
-               "integration, optimization and\n"
-               "  frontend (C) 2010 notaz\n";
+static void draw_frame_main(void)
+{
+       if (CdromId[0] != 0) {
+               char buff[64];
+               snprintf(buff, sizeof(buff), "%.32s/%.9s (running as %s, with %s)",
+                        get_cd_label(), CdromId, Config.PsxType ? "PAL" : "NTSC",
+                        Config.HLE ? "HLE" : "BIOS");
+               smalltext_out16(4, 1, buff, 0x105f);
+       }
 }
 
-static char *romsel_run(void)
+static void draw_frame_credits(void)
 {
-       extern void set_cd_image(const char *fname);
-       char *ret;
+       smalltext_out16(4, 1, "build: "__DATE__ " " __TIME__ " " REV, 0xe7fc);
+}
 
-       ret = menu_loop_romsel(last_selected_fname, sizeof(last_selected_fname));
-       if (ret == NULL)
-               return NULL;
+static const char credits_text[] = 
+       "PCSX-ReARMed\n\n"
+       "(C) 1999-2003 PCSX Team\n"
+       "(C) 2005-2009 PCSX-df Team\n"
+       "(C) 2009-2011 PCSX-Reloaded Team\n\n"
+       "GPU and SPU code by Pete Bernert\n"
+       "  and the P.E.Op.S. team\n"
+       "ARM recompiler (C) 2009-2011 Ari64\n"
+       "PCSX4ALL plugins by PCSX4ALL team\n"
+       "  Chui, Franxis, Unai\n\n"
+       "integration, optimization and\n"
+       "  frontend (C) 2010-2011 notaz\n";
+
+static int reset_game(void)
+{
+       // sanity check
+       if (bios_sel == 0 && !Config.HLE)
+               return -1;
+
+       ClosePlugins();
+       OpenPlugins();
+       SysReset();
+       if (CheckCdrom() != -1) {
+               LoadCdrom();
+       }
+       return 0;
+}
+
+static int run_bios(void)
+{
+       if (bios_sel == 0)
+               return -1;
 
-       lprintf("selected file: %s\n", ret);
        ready_to_go = 0;
+       pl_fbdev_buf = NULL;
 
-       set_cd_image(ret);
+       ClosePlugins();
+       set_cd_image(NULL);
        LoadPlugins();
+       pcnt_hook_plugins();
        NetOpened = 0;
        if (OpenPlugins() == -1) {
                me_update_msg("failed to open plugins");
-               return NULL;
+               return -1;
        }
+       plugin_call_rearmed_cbs();
+
+       CdromId[0] = '\0';
+       CdromLabel[0] = '\0';
 
        SysReset();
 
+       ready_to_go = 1;
+       return 0;
+}
+
+static int run_cd_image(const char *fname)
+{
+       ready_to_go = 0;
+       pl_fbdev_buf = NULL;
+
+       ClosePlugins();
+       set_cd_image(fname);
+       LoadPlugins();
+       pcnt_hook_plugins();
+       NetOpened = 0;
+       if (OpenPlugins() == -1) {
+               me_update_msg("failed to open plugins");
+               return -1;
+       }
+       plugin_call_rearmed_cbs();
+
        if (CheckCdrom() == -1) {
                // Only check the CD if we are starting the console with a CD
                ClosePlugins();
                me_update_msg("unsupported/invalid CD image");
-               return NULL;
+               return -1;
        }
 
+       SysReset();
+
        // Read main executable directly from CDRom and start it
        if (LoadCdrom() == -1) {
                ClosePlugins();
                me_update_msg("failed to load CD image");
-               return NULL;
+               return -1;
        }
 
-       strcpy(last_selected_fname, rom_fname_reload);
-       game_config_loaded = 0;
        ready_to_go = 1;
-       return ret;
+       return 0;
 }
 
-static int main_menu_handler(int id, int keys)
+static int romsel_run(void)
 {
-       char *ret_name;
+       int prev_gpu, prev_spu;
+       char *fname;
+
+       fname = menu_loop_romsel(last_selected_fname, sizeof(last_selected_fname));
+       if (fname == NULL)
+               return -1;
+
+       printf("selected file: %s\n", fname);
+
+       new_dynarec_clear_full();
+
+       if (run_cd_image(fname) != 0)
+               return -1;
+
+       prev_gpu = gpu_plugsel;
+       prev_spu = spu_plugsel;
+       if (menu_load_config(1) != 0)
+               menu_load_config(0);
+
+       // check for plugin changes, have to repeat
+       // loading if game config changed plugins to reload them
+       if (prev_gpu != gpu_plugsel || prev_spu != spu_plugsel) {
+               printf("plugin change detected, reloading plugins..\n");
+               if (run_cd_image(fname) != 0)
+                       return -1;
+       }
+
+       strcpy(last_selected_fname, rom_fname_reload);
+       return 0;
+}
+
+static int swap_cd_image(void)
+{
+       char *fname;
+
+       fname = menu_loop_romsel(last_selected_fname, sizeof(last_selected_fname));
+       if (fname == NULL)
+               return -1;
+
+       printf("selected file: %s\n", fname);
+
+       CdromId[0] = '\0';
+       CdromLabel[0] = '\0';
+
+       set_cd_image(fname);
+       if (ReloadCdromPlugin() < 0) {
+               me_update_msg("failed to load cdr plugin");
+               return -1;
+       }
+       if (CDR_open() < 0) {
+               me_update_msg("failed to open cdr plugin");
+               return -1;
+       }
 
+       SetCdOpenCaseTime(time(NULL) + 2);
+       LidInterrupt();
+
+       strcpy(last_selected_fname, rom_fname_reload);
+       return 0;
+}
+
+static int main_menu_handler(int id, int keys)
+{
        switch (id)
        {
        case MA_MAIN_RESUME_GAME:
@@ -923,22 +1419,23 @@ static int main_menu_handler(int id, int keys)
                        return menu_loop_savestate(1);
                break;
        case MA_MAIN_RESET_GAME:
-               if (ready_to_go) {
-                       OpenPlugins();
-                       SysReset();
-                       if (CheckCdrom() != -1) {
-                               LoadCdrom();
-                       }
+               if (ready_to_go && reset_game() == 0)
                        return 1;
-               }
                break;
        case MA_MAIN_LOAD_ROM:
-               ret_name = romsel_run();
-               if (ret_name != NULL)
+               if (romsel_run() == 0)
+                       return 1;
+               break;
+       case MA_MAIN_SWAP_CD:
+               if (swap_cd_image() == 0)
+                       return 1;
+               break;
+       case MA_MAIN_RUN_BIOS:
+               if (run_bios() == 0)
                        return 1;
                break;
        case MA_MAIN_CREDITS:
-               draw_menu_credits(draw_frame_debug);
+               draw_menu_message(credits_text, draw_frame_credits);
                in_menu_wait(PBTN_MOK|PBTN_MBACK, 70);
                break;
        case MA_MAIN_EXIT:
@@ -961,6 +1458,8 @@ static menu_entry e_menu_main[] =
        mee_handler_id("Load State",         MA_MAIN_LOAD_STATE,  main_menu_handler),
        mee_handler_id("Reset game",         MA_MAIN_RESET_GAME,  main_menu_handler),
        mee_handler_id("Load CD image",      MA_MAIN_LOAD_ROM,    main_menu_handler),
+       mee_handler_id("Change CD image",    MA_MAIN_SWAP_CD,     main_menu_handler),
+       mee_handler_id("Run BIOS",           MA_MAIN_RUN_BIOS,    main_menu_handler),
        mee_handler   ("Options",            menu_loop_options),
        mee_handler   ("Controls",           menu_loop_keyconfig),
        mee_handler_id("Credits",            MA_MAIN_CREDITS,     main_menu_handler),
@@ -978,16 +1477,22 @@ void menu_loop(void)
 
        menu_leave_emu();
 
+       if (bioses[1] == NULL && !warned_about_bios) {
+               menu_bios_warn();
+               warned_about_bios = 1;
+       }
+
        me_enable(e_menu_main, MA_MAIN_RESUME_GAME, ready_to_go);
-       me_enable(e_menu_main, MA_MAIN_SAVE_STATE,  ready_to_go);
-       me_enable(e_menu_main, MA_MAIN_LOAD_STATE,  ready_to_go);
+       me_enable(e_menu_main, MA_MAIN_SAVE_STATE,  ready_to_go && CdromId[0]);
+       me_enable(e_menu_main, MA_MAIN_LOAD_STATE,  ready_to_go && CdromId[0]);
        me_enable(e_menu_main, MA_MAIN_RESET_GAME,  ready_to_go);
+       me_enable(e_menu_main, MA_MAIN_SWAP_CD,  ready_to_go);
+       me_enable(e_menu_main, MA_MAIN_RUN_BIOS, bios_sel != 0);
 
-//     menu_enter(ready_to_go);
        in_set_config_int(0, IN_CFG_BLOCKING, 1);
 
        do {
-               me_loop(e_menu_main, &sel, NULL);
+               me_loop(e_menu_main, &sel, draw_frame_main);
        } while (!ready_to_go);
 
        /* wait until menu, ok, back is released */
@@ -996,17 +1501,119 @@ void menu_loop(void)
 
        in_set_config_int(0, IN_CFG_BLOCKING, 0);
 
-       memset(g_menuscreen_ptr, 0, g_menuscreen_w * g_menuscreen_h * 2);
-       menu_draw_end();
        menu_prepare_emu();
 }
 
+static void scan_bios_plugins(void)
+{
+       char fname[MAXPATHLEN];
+       struct dirent *ent;
+       int bios_i, gpu_i, spu_i;
+       char *p;
+       DIR *dir;
+
+       bioses[0] = "HLE";
+       gpu_plugins[0] = "builtin_gpu";
+       spu_plugins[0] = "builtin_spu";
+       bios_i = gpu_i = spu_i = 1;
+
+       snprintf(fname, sizeof(fname), "%s/", Config.BiosDir);
+       dir = opendir(fname);
+       if (dir == NULL) {
+               perror("scan_bios_plugins bios opendir");
+               goto do_plugins;
+       }
+
+       while (1) {
+               struct stat st;
+
+               errno = 0;
+               ent = readdir(dir);
+               if (ent == NULL) {
+                       if (errno != 0)
+                               perror("readdir");
+                       break;
+               }
+
+               if (ent->d_type != DT_REG && ent->d_type != DT_LNK)
+                       continue;
+
+               snprintf(fname, sizeof(fname), "%s/%s", Config.BiosDir, ent->d_name);
+               if (stat(fname, &st) != 0 || st.st_size != 512*1024) {
+                       printf("bad BIOS file: %s\n", ent->d_name);
+                       continue;
+               }
+
+               if (bios_i < ARRAY_SIZE(bioses) - 1) {
+                       bioses[bios_i++] = strdup(ent->d_name);
+                       continue;
+               }
+
+               printf("too many BIOSes, dropping \"%s\"\n", ent->d_name);
+       }
+
+       closedir(dir);
+
+do_plugins:
+       snprintf(fname, sizeof(fname), "%s/", Config.PluginsDir);
+       dir = opendir(fname);
+       if (dir == NULL) {
+               perror("scan_bios_plugins opendir");
+               return;
+       }
+
+       while (1) {
+               void *h, *tmp;
+
+               errno = 0;
+               ent = readdir(dir);
+               if (ent == NULL) {
+                       if (errno != 0)
+                               perror("readdir");
+                       break;
+               }
+               p = strstr(ent->d_name, ".so");
+               if (p == NULL)
+                       continue;
+
+               snprintf(fname, sizeof(fname), "%s/%s", Config.PluginsDir, ent->d_name);
+               h = dlopen(fname, RTLD_LAZY | RTLD_LOCAL);
+               if (h == NULL) {
+                       fprintf(stderr, "%s\n", dlerror());
+                       continue;
+               }
+
+               // now what do we have here?
+               tmp = dlsym(h, "GPUinit");
+               if (tmp) {
+                       dlclose(h);
+                       if (gpu_i < ARRAY_SIZE(gpu_plugins) - 1)
+                               gpu_plugins[gpu_i++] = strdup(ent->d_name);
+                       continue;
+               }
+
+               tmp = dlsym(h, "SPUinit");
+               if (tmp) {
+                       dlclose(h);
+                       if (spu_i < ARRAY_SIZE(spu_plugins) - 1)
+                               spu_plugins[spu_i++] = strdup(ent->d_name);
+                       continue;
+               }
+
+               fprintf(stderr, "ignoring unidentified plugin: %s\n", fname);
+               dlclose(h);
+       }
+
+       closedir(dir);
+}
+
 void menu_init(void)
 {
        char buff[MAXPATHLEN];
 
        strcpy(last_selected_fname, "/media");
 
+       scan_bios_plugins();
        pnd_menu_init();
        menu_init_common();
 
@@ -1032,16 +1639,19 @@ void menu_notify_mode_change(int w, int h, int bpp)
        if (scaling == SCALE_1_1) {
                g_layer_x = 800/2 - w/2;  g_layer_y = 480/2 - h/2;
                g_layer_w = w; g_layer_h = h;
-               omap_enable_layer(1);
        }
 }
 
 static void menu_leave_emu(void)
 {
-       omap_enable_layer(0);
+       if (GPU_close != NULL) {
+               int ret = GPU_close();
+               if (ret)
+                       fprintf(stderr, "Warning: GPU_close returned %d\n", ret);
+       }
 
        memcpy(g_menubg_ptr, g_menubg_src_ptr, g_menuscreen_w * g_menuscreen_h * 2);
-       if (ready_to_go && last_psx_bpp == 16) {
+       if (pl_fbdev_buf != NULL && ready_to_go && last_psx_bpp == 16) {
                int x = max(0, g_menuscreen_w - last_psx_w);
                int y = max(0, g_menuscreen_h / 2 - last_psx_h / 2);
                int w = min(g_menuscreen_w, last_psx_w);
@@ -1052,15 +1662,18 @@ static void menu_leave_emu(void)
                for (; h > 0; h--, d += g_menuscreen_w, s += last_psx_w)
                        menu_darken_bg(d, s, w, 0);
        }
+
+       if (ready_to_go)
+               cpu_clock = get_cpu_clock();
+
+       plat_video_menu_enter(ready_to_go);
 }
 
 void menu_prepare_emu(void)
 {
-       if (!game_config_loaded) {
-               menu_set_defconfig();
-               menu_load_config(1);
-               game_config_loaded = 1;
-       }
+       R3000Acpu *prev_cpu = psxCpu;
+
+       plat_video_menu_leave();
 
        switch (scaling) {
        case SCALE_1_1:
@@ -1077,15 +1690,28 @@ void menu_prepare_emu(void)
        case SCALE_CUSTOM:
                break;
        }
-       omap_enable_layer(1);
        apply_filter(filter);
        apply_cpu_clock();
-       stop = 0;
+
+       psxCpu = (Config.Cpu == CPU_INTERPRETER) ? &psxInt : &psxRec;
+       if (psxCpu != prev_cpu)
+               // note that this does not really reset, just clears drc caches
+               psxCpu->Reset();
 
        // core doesn't care about Config.Cdda changes,
        // so handle them manually here
        if (Config.Cdda)
                CDR_stop();
+
+       menu_sync_config();
+
+       if (GPU_open != NULL) {
+               int ret = GPU_open(&gpuDisp, "PCSX", NULL);
+               if (ret)
+                       fprintf(stderr, "Warning: GPU_open returned %d\n", ret);
+       }
+
+       dfinput_activate(in_type == PSE_PAD_TYPE_ANALOGPAD);
 }
 
 void me_update_msg(const char *msg)