bugfixes, new config system and messed code for it
[libpicofe.git] / psp / menu.c
index ccb472b..b5f3203 100644 (file)
@@ -1,4 +1,4 @@
-// (c) Copyright 2006,2007 notaz, All rights reserved.
+// (c) Copyright 2007 notaz, All rights reserved.
 // Free for non-commercial use.
 
 // For commercial use, separate licencing terms must be obtained.
@@ -20,6 +20,7 @@
 #include "psp.h"
 #include "emu.h"
 #include "menu.h"
+#include "mp3.h"
 #include "../common/menu.h"
 #include "../common/emu.h"
 #include "../common/readpng.h"
@@ -112,17 +113,37 @@ static void menu_draw_end(void)
 
 // --------- loading ROM screen ----------
 
+static int lcdr_line = 0;
+
 static void load_progress_cb(int percent)
 {
        int ln, len = percent * 480 / 100;
        unsigned short *dst;
 
-       sceDisplayWaitVblankStart();
+       //sceDisplayWaitVblankStart();
 
-       dst = (unsigned short *)menu_screen + 512*20;
+       dst = (unsigned short *)menu_screen + 512*10*lcdr_line;
 
        if (len > 480) len = 480;
-       for (ln = 10; ln > 0; ln--, dst += 512)
+       for (ln = 8; ln > 0; ln--, dst += 512)
+               memset(dst, 0xff, len*2);
+}
+
+static void cdload_progress_cb(int percent)
+{
+       int ln, len = percent * 480 / 100;
+       unsigned short *dst;
+
+       if (lcdr_line <= 2) {
+               lcdr_line++;
+               smalltext_out16(1, lcdr_line++ * 10, "Processing CD image / MP3s", 0xffff);
+               smalltext_out16_lim(1, lcdr_line++ * 10, romFileName, 0xffff, 80);
+       }
+
+       dst = (unsigned short *)menu_screen + 512*10*lcdr_line;
+
+       if (len > 480) len = 480;
+       for (ln = 8; ln > 0; ln--, dst += 512)
                memset(dst, 0xff, len*2);
 }
 
@@ -132,17 +153,20 @@ void menu_romload_prepare(const char *rom_name)
        while (p > rom_name && *p != '/') p--;
 
        psp_video_switch_to_single();
-       menu_draw_begin();
+       if (rom_loaded) menu_draw_begin();
+       else memset32_uncached(psp_screen, 0, 512*272*2/4);
 
        smalltext_out16(1, 1, "Loading", 0xffff);
        smalltext_out16_lim(1, 10, p, 0xffff, 80);
        PicoCartLoadProgressCB = load_progress_cb;
+       PicoCDLoadProgressCB = cdload_progress_cb;
+       lcdr_line = 2;
 }
 
 void menu_romload_end(void)
 {
-       PicoCartLoadProgressCB = NULL;
-       smalltext_out16(1, 30, "Starting emulation...", 0xffff);
+       PicoCartLoadProgressCB = PicoCDLoadProgressCB = NULL;
+       smalltext_out16(1, ++lcdr_line*10, "Starting emulation...", 0xffff);
 }
 
 // -------------- ROM selector --------------
@@ -161,7 +185,7 @@ struct my_dirent
 static unsigned short file2color(const char *fname)
 {
        const char *ext = fname + strlen(fname) - 3;
-       static const char *rom_exts[]   = { "zip", "bin", "smd", "gen", "iso" };
+       static const char *rom_exts[]   = { "zip", "bin", "smd", "gen", "iso", "cso" };
        static const char *other_exts[] = { "gmv", "pat" };
        int i;
 
@@ -182,7 +206,7 @@ static void draw_dirlist(char *curdir, struct my_dirent **namelist, int n, int s
 
        menu_draw_begin();
 
-       if (rom_data == NULL) {
+       if (!rom_loaded) {
 //             menu_darken_bg(menu_screen, menu_screen, 321*240, 0);
        }
 
@@ -311,13 +335,14 @@ end:
 }
 
 
+static SceIoStat cpstat;
+
 static char *romsel_loop(char *curr_path)
 {
        struct my_dirent **namelist;
        int n, iret, sel = 0;
        unsigned long inp = 0;
        char *ret = NULL, *fname = NULL;
-       SceIoStat cpstat;
 
        // is this a dir or a full path?
        memset(&cpstat, 0, sizeof(cpstat));
@@ -325,8 +350,11 @@ static char *romsel_loop(char *curr_path)
        if (iret >= 0 && (cpstat.st_attr & FIO_SO_IFREG)) { // file
                char *p;
                for (p = curr_path + strlen(curr_path) - 1; p > curr_path && *p != '/'; p--);
-               *p = 0;
-               fname = p+1;
+               if (p > curr_path) {
+                       *p = 0;
+                       fname = p+1;
+               }
+               else strcpy(curr_path, "ms0:/");
        }
        else if (iret >= 0 && (cpstat.st_attr & FIO_SO_IFDIR)); // dir
        else strcpy(curr_path, "ms0:/"); // something else
@@ -378,7 +406,7 @@ static char *romsel_loop(char *curr_path)
                                        p = start + strlen(start) - 1;
                                        while (*p == '/' && p > start) p--;
                                        while (*p != '/' && *p != ':' && p > start) p--;
-                                       if (p <= start || *p == ':' || p[-1] == ':') strcpy(newdir, "ms0:/");
+                                       if (p <= start || *p == ':') strcpy(newdir, "ms0:/");
                                        else { strncpy(newdir, start, p-start); newdir[p-start] = 0; }
                                } else {
                                        strcpy(newdir, curr_path);
@@ -429,8 +457,10 @@ static void draw_debug(void)
 
 static void debug_menu_loop(void)
 {
+       int ret = 0;
        draw_debug();
-       wait_for_input(BTN_X|BTN_CIRCLE, 0);
+       while (!(ret & (BTN_X|BTN_CIRCLE)))
+               ret = wait_for_input(BTN_X|BTN_CIRCLE, 0);
 }
 
 // ------------ patch/gg menu ------------
@@ -669,8 +699,6 @@ static int count_bound_keys(int action, int pl_idx)
        return keys;
 }
 
-typedef struct { char *name; int mask; } bind_action_t;
-
 static void draw_key_config(const bind_action_t *opts, int opt_cnt, int player_idx, int sel)
 {
        int x, y, tl_y = 16+40, i;
@@ -759,33 +787,17 @@ static void draw_kc_sel(int menu_sel)
 }
 
 
-// PicoPad[] format: MXYZ SACB RLDU
-static bind_action_t ctrl_actions[] =
-{
-       { "UP     ", 0x001 },
-       { "DOWN   ", 0x002 },
-       { "LEFT   ", 0x004 },
-       { "RIGHT  ", 0x008 },
-       { "A      ", 0x040 },
-       { "B      ", 0x010 },
-       { "C      ", 0x020 },
-       { "START  ", 0x080 },
-       { "MODE   ", 0x800 },
-       { "X      ", 0x400 },
-       { "Y      ", 0x200 },
-       { "Z      ", 0x100 },
-};
-
 // player2_flag, ?, ?, ?, ?, ?, ?, menu
 // "NEXT SAVE SLOT", "PREV SAVE SLOT", "SWITCH RENDERER", "SAVE STATE",
 // "LOAD STATE", "VOLUME UP", "VOLUME DOWN", "DONE"
-static bind_action_t emuctrl_actions[] =
+me_bind_action emuctrl_actions[] =
 {
        { "Load State     ", 1<<28 },
        { "Save State     ", 1<<27 },
        { "Prev Save Slot ", 1<<25 },
        { "Next Save Slot ", 1<<24 },
        { "Switch Renderer", 1<<26 },
+       { NULL,              0     }
 };
 
 static void kc_sel_loop(void)
@@ -802,11 +814,11 @@ static void kc_sel_loop(void)
                if (inp & BTN_DOWN) { menu_sel++; if (menu_sel > menu_sel_max) menu_sel = 0; }
                if (inp & BTN_CIRCLE) {
                        switch (menu_sel) {
-                               case 0: key_config_loop(ctrl_actions, is_6button ? 12 : 8, 0); return;
-                               case 1: key_config_loop(ctrl_actions, is_6button ? 12 : 8, 1); return;
+                               case 0: key_config_loop(me_ctrl_actions, is_6button ? 12 : 8, 0); return;
+                               case 1: key_config_loop(me_ctrl_actions, is_6button ? 12 : 8, 1); return;
                                case 2: key_config_loop(emuctrl_actions,
                                                sizeof(emuctrl_actions)/sizeof(emuctrl_actions[0]), -1); return;
-                               case 3: if (rom_data == NULL) emu_WriteConfig(0); return;
+                               case 3: if (!rom_loaded) emu_WriteConfig(0); return;
                                default: return;
                        }
                }
@@ -893,24 +905,29 @@ static void cd_menu_loop_options(void)
        char *bios, *p;
 
        if (emu_findBios(4, &bios)) { // US
-               for (p = bios+strlen(bios)-1; p > bios && *p != '/'; p--); p++;
+               for (p = bios+strlen(bios)-1; p > bios && *p != '/'; p--);
+               if (*p == '/') p++;
                strncpy(bios_names.us, p, sizeof(bios_names.us)); bios_names.us[sizeof(bios_names.us)-1] = 0;
        } else  strcpy(bios_names.us, "NOT FOUND");
 
        if (emu_findBios(8, &bios)) { // EU
-               for (p = bios+strlen(bios)-1; p > bios && *p != '/'; p--); p++;
+               for (p = bios+strlen(bios)-1; p > bios && *p != '/'; p--);
+               if (*p == '/') p++;
                strncpy(bios_names.eu, p, sizeof(bios_names.eu)); bios_names.eu[sizeof(bios_names.eu)-1] = 0;
        } else  strcpy(bios_names.eu, "NOT FOUND");
 
        if (emu_findBios(1, &bios)) { // JP
-               for (p = bios+strlen(bios)-1; p > bios && *p != '/'; p--); p++;
+               for (p = bios+strlen(bios)-1; p > bios && *p != '/'; p--);
+               if (*p == '/') p++;
                strncpy(bios_names.jp, p, sizeof(bios_names.jp)); bios_names.jp[sizeof(bios_names.jp)-1] = 0;
        } else  strcpy(bios_names.jp, "NOT FOUND");
 
-       for(;;)
+       menuErrorMsg[0] = 0;
+
+       for (;;)
        {
                draw_cd_menu_options(menu_sel, &bios_names);
-               inp = wait_for_input(BTN_UP|BTN_DOWN|BTN_LEFT|BTN_RIGHT|BTN_X|BTN_CIRCLE, 0);
+               inp = wait_for_input(BTN_UP|BTN_DOWN|BTN_LEFT|BTN_RIGHT|BTN_X|BTN_CIRCLE|BTN_START, 0);
                if (inp & BTN_UP  ) { menu_sel--; if (menu_sel < 0) menu_sel = menu_sel_max; }
                if (inp & BTN_DOWN) { menu_sel++; if (menu_sel > menu_sel_max) menu_sel = 0; }
                selected_id = me_index2id(cdopt_entries, CDOPT_ENTRY_COUNT, menu_sel);
@@ -927,11 +944,12 @@ static void cd_menu_loop_options(void)
                                }
                        }
                }
-               if (inp & BTN_CIRCLE) // toggleable options
+               if (inp & BTN_CIRCLE) // toggleable options
                        if (!me_process(cdopt_entries, CDOPT_ENTRY_COUNT, selected_id, 1) &&
                            selected_id == MA_CDOPT_DONE) {
                                return;
                        }
+               if (inp & BTN_START) {
                        switch (selected_id) { // BIOS testers
                                case MA_CDOPT_TESTBIOS_USA:
                                        if (emu_findBios(4, &bios)) { // test US
@@ -969,9 +987,11 @@ menu_entry opt3_entries[] =
        { NULL,                        MB_NONE,  MA_OPT3_SCALE,         NULL, 0, 0, 0, 1 },
        { NULL,                        MB_NONE,  MA_OPT3_HSCALE32,      NULL, 0, 0, 0, 1 },
        { NULL,                        MB_NONE,  MA_OPT3_HSCALE40,      NULL, 0, 0, 0, 1 },
-       { NULL,                        MB_ONOFF, MA_OPT3_FILTERING,     &currentConfig.scaling, 1, 0, 0, 1 },
+       { NULL,                        MB_ONOFF, MA_OPT3_FILTERING,     &currentConfig.scaling, 1,  0,  0, 1 },
+       { NULL,                        MB_RANGE, MA_OPT3_GAMMAA,        &currentConfig.gamma,   0, -4, 16, 1 },
        { NULL,                        MB_NONE,  MA_OPT3_VSYNC,         NULL, 0, 0, 0, 1 },
        { "Set to unscaled centered",  MB_NONE,  MA_OPT3_PRES_NOSCALE,  NULL, 0, 0, 0, 1 },
+       { "Set to 4:3 scaled",         MB_NONE,  MA_OPT3_PRES_SCALE43,  NULL, 0, 0, 0, 1 },
        { "Set to fullscreen",         MB_NONE,  MA_OPT3_PRES_FULLSCR,  NULL, 0, 0, 0, 1 },
        { "done",                      MB_NONE,  MA_OPT3_DONE,          NULL, 0, 0, 0, 1 },
 };
@@ -995,6 +1015,9 @@ static void menu_opt3_cust_draw(const menu_entry *entry, int x, int y, void *par
                case MA_OPT3_FILTERING:
                        text_out16(x, y, "Bilinear filtering                 %s", currentConfig.scaling?"ON":"OFF");
                        break;
+               case MA_OPT3_GAMMAA:
+                       text_out16(x, y, "Gamma adjustment                  %2i", currentConfig.gamma);
+                       break;
                case MA_OPT3_VSYNC: {
                        char *val = "    never";
                        if (currentConfig.EmuOpt & 0x2000)
@@ -1010,7 +1033,7 @@ static void menu_opt3_preview(int is_32col)
 {
        void *oldstate = NULL;
 
-       if (rom_data == NULL || ((Pico.video.reg[12]&1)^1) != is_32col)
+       if (!rom_loaded || ((Pico.video.reg[12]&1)^1) != is_32col)
        {
                extern char bgdatac32_start[], bgdatac40_start[];
                extern int bgdatac32_size, bgdatac40_size;
@@ -1020,7 +1043,7 @@ static void menu_opt3_preview(int is_32col)
                ret = uncompress((Bytef *)bg_buffer, &outsize, bgdata, insize);
                if (ret == 0)
                {
-                       if (rom_data != NULL) oldstate = get_oldstate_for_preview();
+                       if (rom_loaded) oldstate = get_oldstate_for_preview();
                        memcpy(Pico.vram,  bg_buffer, sizeof(Pico.vram));
                        memcpy(Pico.cram,  (char *)bg_buffer + 0x10000, 0x40*2);
                        memcpy(Pico.vsram, (char *)bg_buffer + 0x10080, 0x40*2);
@@ -1030,7 +1053,7 @@ static void menu_opt3_preview(int is_32col)
                        lprintf("uncompress returned %i\n", ret);
        }
 
-       memset32(psp_screen, 0, 512*272*2/4);
+       memset32_uncached(psp_screen, 0, 512*272*2/4);
        emu_forcedFrame();
        menu_prepare_bg(1, 0);
 
@@ -1075,10 +1098,11 @@ static void dispmenu_loop_options(void)
                        int tmp;
                        me_process(opt3_entries, OPT3_ENTRY_COUNT, selected_id, (inp&BTN_RIGHT) ? 1 : 0);
                        switch (selected_id) {
-                               case MA_OPT3_SCALE:    setting = &currentConfig.scale; break;
-                               case MA_OPT3_HSCALE40: setting = &currentConfig.hscale40; is_32col = 0; break;
-                               case MA_OPT3_HSCALE32: setting = &currentConfig.hscale32; is_32col = 1; break;
-                               case MA_OPT3_FILTERING:menu_opt3_preview(is_32col); break;
+                               case MA_OPT3_SCALE:     setting = &currentConfig.scale; break;
+                               case MA_OPT3_HSCALE40:  setting = &currentConfig.hscale40; is_32col = 0; break;
+                               case MA_OPT3_HSCALE32:  setting = &currentConfig.hscale32; is_32col = 1; break;
+                               case MA_OPT3_FILTERING:
+                               case MA_OPT3_GAMMAA:    menu_opt3_preview(is_32col); break;
                                case MA_OPT3_VSYNC:    tmp = ((currentConfig.EmuOpt>>13)&1) | ((currentConfig.EmuOpt>>15)&2);
                                        tmp = (inp & BTN_LEFT) ? (tmp>>1) : ((tmp<<1)|1);
                                        if (tmp > 3) tmp = 3;
@@ -1090,6 +1114,7 @@ static void dispmenu_loop_options(void)
                        if (setting != NULL) {
                                while ((inp = psp_pad_read(0)) & (BTN_LEFT|BTN_RIGHT)) {
                                        *setting += (inp & BTN_LEFT) ? -0.01 : 0.01;
+                                       if (*setting <= 0) *setting = 0.01;
                                        menu_opt3_preview(is_32col);
                                        draw_dispmenu_options(menu_sel); // will wait vsync
                                }
@@ -1104,6 +1129,12 @@ static void dispmenu_loop_options(void)
                                        currentConfig.scale = currentConfig.hscale40 = currentConfig.hscale32 = 1.0;
                                        menu_opt3_preview(is_32col);
                                        break;
+                               case MA_OPT3_PRES_SCALE43:
+                                       currentConfig.scale = 1.20;
+                                       currentConfig.hscale40 = 1.00;
+                                       currentConfig.hscale32 = 1.25;
+                                       menu_opt3_preview(is_32col);
+                                       break;
                                case MA_OPT3_PRES_FULLSCR:
                                        currentConfig.scale = 1.20;
                                        currentConfig.hscale40 = 1.25;
@@ -1125,13 +1156,14 @@ static void dispmenu_loop_options(void)
 
 menu_entry opt2_entries[] =
 {
-       { "Emulate Z80",               MB_ONOFF, MA_OPT2_ENABLE_Z80,    &currentConfig.PicoOpt,0x00004, 0, 0, 1 },
-       { "Emulate YM2612 (FM)",       MB_ONOFF, MA_OPT2_ENABLE_YM2612, &currentConfig.PicoOpt,0x00001, 0, 0, 1 },
-       { "Emulate SN76496 (PSG)",     MB_ONOFF, MA_OPT2_ENABLE_SN76496,&currentConfig.PicoOpt,0x00002, 0, 0, 1 },
-       { "gzip savestates",           MB_ONOFF, MA_OPT2_GZIP_STATES,   &currentConfig.EmuOpt, 0x00008, 0, 0, 1 },
-       { "Don't save last used ROM",  MB_ONOFF, MA_OPT2_NO_LAST_ROM,   &currentConfig.EmuOpt, 0x00020, 0, 0, 1 },
-       { "Status line in main menu",  MB_ONOFF, MA_OPT2_STATUS_LINE,   &currentConfig.EmuOpt, 0x20000, 0, 0, 1 },
-       { "done",                      MB_NONE,  MA_OPT2_DONE,          NULL, 0, 0, 0, 1 },
+       { "Emulate Z80",               MB_ONOFF, MA_OPT2_ENABLE_Z80,     &currentConfig.PicoOpt,0x00004, 0, 0, 1 },
+       { "Emulate YM2612 (FM)",       MB_ONOFF, MA_OPT2_ENABLE_YM2612,  &currentConfig.PicoOpt,0x00001, 0, 0, 1 },
+       { "Emulate SN76496 (PSG)",     MB_ONOFF, MA_OPT2_ENABLE_SN76496, &currentConfig.PicoOpt,0x00002, 0, 0, 1 },
+       { "gzip savestates",           MB_ONOFF, MA_OPT2_GZIP_STATES,    &currentConfig.EmuOpt, 0x00008, 0, 0, 1 },
+       { "Don't save last used ROM",  MB_ONOFF, MA_OPT2_NO_LAST_ROM,    &currentConfig.EmuOpt, 0x00020, 0, 0, 1 },
+       { "Status line in main menu",  MB_ONOFF, MA_OPT2_STATUS_LINE,    &currentConfig.EmuOpt, 0x20000, 0, 0, 1 },
+       { "Disable frame limitter",    MB_ONOFF, MA_OPT2_NO_FRAME_LIMIT, &currentConfig.EmuOpt, 0x40000, 0, 0, 1 },
+       { "done",                      MB_NONE,  MA_OPT2_DONE,           NULL, 0, 0, 0, 1 },
 };
 
 #define OPT2_ENTRY_COUNT (sizeof(opt2_entries) / sizeof(opt2_entries[0]))
@@ -1211,29 +1243,6 @@ menu_entry opt_entries[] =
 #define OPT_ENTRY_COUNT (sizeof(opt_entries) / sizeof(opt_entries[0]))
 
 
-static const char *region_name(unsigned int code)
-{
-       static const char *names[] = { "Auto", "      Japan NTSC", "      Japan PAL", "      USA", "      Europe" };
-       static const char *names_short[] = { "", " JP", " JP", " US", " EU" };
-       int u, i = 0;
-       if (code) {
-               code <<= 1;
-               while((code >>= 1)) i++;
-               if (i > 4) return "unknown";
-               return names[i];
-       } else {
-               static char name[24];
-               strcpy(name, "Auto:");
-               for (u = 0; u < 3; u++) {
-                       i = 0; code = ((PicoAutoRgnOrder >> u*4) & 0xf) << 1;
-                       while((code >>= 1)) i++;
-                       strcat(name, names_short[i]);
-               }
-               return name;
-       }
-}
-
-
 static void menu_opt_cust_draw(const menu_entry *entry, int x, int y, void *param)
 {
        char *str, str24[24];
@@ -1260,7 +1269,7 @@ static void menu_opt_cust_draw(const menu_entry *entry, int x, int y, void *para
                        text_out16(x, y, "Sound Quality:     %5iHz %s", currentConfig.PsndRate, str);
                        break;
                case MA_OPT_REGION:
-                       text_out16(x, y, "Region:              %s", region_name(currentConfig.PicoRegion));
+                       text_out16(x, y, "Region:              %s", me_region_name(PicoRegionOverride, PicoAutoRgnOrder));
                        break;
                case MA_OPT_CONFIRM_STATES:
                        switch ((currentConfig.EmuOpt >> 9) & 5) {
@@ -1321,21 +1330,21 @@ static void region_prevnext(int right)
        static int rgn_orders[] = { 0x148, 0x184, 0x814, 0x418, 0x841, 0x481 };
        int i;
        if (right) {
-               if (!currentConfig.PicoRegion) {
+               if (!PicoRegionOverride) {
                        for (i = 0; i < 6; i++)
                                if (rgn_orders[i] == PicoAutoRgnOrder) break;
                        if (i < 5) PicoAutoRgnOrder = rgn_orders[i+1];
-                       else currentConfig.PicoRegion=1;
+                       else PicoRegionOverride=1;
                }
-               else currentConfig.PicoRegion<<=1;
-               if (currentConfig.PicoRegion > 8) currentConfig.PicoRegion = 8;
+               else PicoRegionOverride<<=1;
+               if (PicoRegionOverride > 8) PicoRegionOverride = 8;
        } else {
-               if (!currentConfig.PicoRegion) {
+               if (!PicoRegionOverride) {
                        for (i = 0; i < 6; i++)
                                if (rgn_orders[i] == PicoAutoRgnOrder) break;
                        if (i > 0) PicoAutoRgnOrder = rgn_orders[i-1];
                }
-               else currentConfig.PicoRegion>>=1;
+               else PicoRegionOverride>>=1;
        }
 }
 
@@ -1343,7 +1352,10 @@ static void menu_options_save(void)
 {
        PicoOpt = currentConfig.PicoOpt;
        PsndRate = currentConfig.PsndRate;
-       PicoRegionOverride = currentConfig.PicoRegion;
+       if (PicoRegionOverride) {
+               // force setting possibly changed..
+               Pico.m.pal = (PicoRegionOverride == 2 || PicoRegionOverride == 8) ? 1 : 0;
+       }
        if (!(PicoOpt & 0x20)) {
                // unbind XYZ MODE, just in case
                unbind_action(0xf00);
@@ -1359,9 +1371,8 @@ static int menu_loop_options(void)
 
        currentConfig.PicoOpt = PicoOpt;
        currentConfig.PsndRate = PsndRate;
-       currentConfig.PicoRegion = PicoRegionOverride;
 
-       me_enable(opt_entries, OPT_ENTRY_COUNT, MA_OPT_SAVECFG_GAME, rom_data != NULL);
+       me_enable(opt_entries, OPT_ENTRY_COUNT, MA_OPT_SAVECFG_GAME, rom_loaded);
        me_enable(opt_entries, OPT_ENTRY_COUNT, MA_OPT_LOADCFG, config_slot != config_slot_current);
        menu_sel_max = me_count_enabled(opt_entries, OPT_ENTRY_COUNT) - 1;
        if (menu_sel > menu_sel_max) menu_sel = menu_sel_max;
@@ -1548,15 +1559,23 @@ static void menu_loop_root(void)
        int ret, menu_sel_max;
        unsigned long inp = 0;
 
-       me_enable(main_entries, MAIN_ENTRY_COUNT, MA_MAIN_RESUME_GAME, rom_data != NULL);
-       me_enable(main_entries, MAIN_ENTRY_COUNT, MA_MAIN_SAVE_STATE,  rom_data != NULL);
-       me_enable(main_entries, MAIN_ENTRY_COUNT, MA_MAIN_LOAD_STATE,  rom_data != NULL);
-       me_enable(main_entries, MAIN_ENTRY_COUNT, MA_MAIN_RESET_GAME,  rom_data != NULL);
+       me_enable(main_entries, MAIN_ENTRY_COUNT, MA_MAIN_RESUME_GAME, rom_loaded);
+       me_enable(main_entries, MAIN_ENTRY_COUNT, MA_MAIN_SAVE_STATE,  rom_loaded);
+       me_enable(main_entries, MAIN_ENTRY_COUNT, MA_MAIN_LOAD_STATE,  rom_loaded);
+       me_enable(main_entries, MAIN_ENTRY_COUNT, MA_MAIN_RESET_GAME,  rom_loaded);
        me_enable(main_entries, MAIN_ENTRY_COUNT, MA_MAIN_PATCHES,     PicoPatches != NULL);
 
        menu_sel_max = me_count_enabled(main_entries, MAIN_ENTRY_COUNT) - 1;
        if (menu_sel > menu_sel_max) menu_sel = menu_sel_max;
 
+       // mp3 errors?
+       if (mp3_last_error != 0) {
+               if (mp3_last_error == -1)
+                    sprintf(menuErrorMsg, "Unsupported mp3 format, use 44kHz stereo");
+               else sprintf(menuErrorMsg, "mp3 init failed, code %08x", mp3_last_error);
+               mp3_last_error = 0;
+       }
+
        /* make sure action buttons are not pressed on entering menu */
        draw_menu_root(menu_sel);
 
@@ -1570,24 +1589,25 @@ static void menu_loop_root(void)
                if(inp & BTN_DOWN)  { menu_sel++; if (menu_sel > menu_sel_max) menu_sel = 0; }
                if((inp & (BTN_L|BTN_R)) == (BTN_L|BTN_R)) debug_menu_loop();
                if( inp & (BTN_SELECT|BTN_X)) {
-                       if (rom_data) {
+                       if (rom_loaded) {
                                while (psp_pad_read(1) & (BTN_SELECT|BTN_X)) psp_msleep(50); // wait until released
                                engineState = PGS_Running;
                                break;
                        }
                }
                if(inp & BTN_CIRCLE)  {
+                       menuErrorMsg[0] = 0; // clear error msg
                        switch (me_index2id(main_entries, MAIN_ENTRY_COUNT, menu_sel))
                        {
                                case MA_MAIN_RESUME_GAME:
-                                       if (rom_data) {
+                                       if (rom_loaded) {
                                                while (psp_pad_read(1) & BTN_CIRCLE) psp_msleep(50);
                                                engineState = PGS_Running;
                                                return;
                                        }
                                        break;
                                case MA_MAIN_SAVE_STATE:
-                                       if (rom_data) {
+                                       if (rom_loaded) {
                                                if(savestate_menu_loop(0))
                                                        continue;
                                                engineState = PGS_Running;
@@ -1595,7 +1615,7 @@ static void menu_loop_root(void)
                                        }
                                        break;
                                case MA_MAIN_LOAD_STATE:
-                                       if (rom_data) {
+                                       if (rom_loaded) {
                                                if(savestate_menu_loop(1))
                                                        continue;
                                                engineState = PGS_Running;
@@ -1603,7 +1623,7 @@ static void menu_loop_root(void)
                                        }
                                        break;
                                case MA_MAIN_RESET_GAME:
-                                       if (rom_data) {
+                                       if (rom_loaded) {
                                                emu_ResetGame();
                                                engineState = PGS_Running;
                                                return;
@@ -1648,7 +1668,7 @@ static void menu_loop_root(void)
                                        engineState = PGS_Quit;
                                        return;
                                case MA_MAIN_PATCHES:
-                                       if (rom_data && PicoPatches) {
+                                       if (rom_loaded && PicoPatches) {
                                                patches_menu_loop();
                                                PicoPatchApply();
                                                strcpy(menuErrorMsg, "Patches applied");
@@ -1660,7 +1680,6 @@ static void menu_loop_root(void)
                                        break;
                        }
                }
-               menuErrorMsg[0] = 0; // clear error msg
        }
 }
 
@@ -1698,12 +1717,12 @@ static void menu_prepare_bg(int use_game_bg, int use_fg)
                int i;
                for (i = 272; i > 0; i--, dst += 480, src += 512)
                        menu_darken_bg(dst, src, 480, 1);
-               //memset32((int *)(bg_buffer + 480*264), 0, 480*8*2/4);
+               //memset32_uncached((int *)(bg_buffer + 480*264), 0, 480*8*2/4);
        }
        else
        {
                // should really only happen once, on startup..
-               memset32((int *)(void *)bg_buffer, 0, sizeof(bg_buffer)/4);
+               memset32_uncached((int *)(void *)bg_buffer, 0, sizeof(bg_buffer)/4);
                readpng(bg_buffer, "skin/background.png", READPNG_BG);
        }
        sceKernelDcacheWritebackAll();
@@ -1711,7 +1730,7 @@ static void menu_prepare_bg(int use_game_bg, int use_fg)
 
 static void menu_gfx_prepare(void)
 {
-       menu_prepare_bg(rom_data != NULL, 1);
+       menu_prepare_bg(rom_loaded, 1);
 
        menu_draw_begin();
        menu_draw_end();
@@ -1777,7 +1796,7 @@ int menu_loop_tray(void)
        for (;;)
        {
                draw_menu_tray(menu_sel);
-               inp = wait_for_input(BTN_UP|BTN_DOWN|BTN_X, 0);
+               inp = wait_for_input(BTN_UP|BTN_DOWN|BTN_CIRCLE, 0);
                if(inp & BTN_UP  )  { menu_sel--; if (menu_sel < 0) menu_sel = menu_sel_max; }
                if(inp & BTN_DOWN)  { menu_sel++; if (menu_sel > menu_sel_max) menu_sel = 0; }
                if(inp & BTN_CIRCLE)  {