rearrange globals
[picodrive.git] / platform / psp / emu.c
index 0ecbcc6..8f77f39 100644 (file)
@@ -1,3 +1,11 @@
+/*
+ * PicoDrive
+ * (C) notaz, 2007,2008
+ *
+ * This work is licensed under the terms of MAME license.
+ * See COPYING file in the top-level directory.
+ */
+
 #include <sys/stat.h>
 #include <sys/types.h>
 #include <sys/syslimits.h> // PATH_MAX
 #include "psp.h"
 #include "menu.h"
 #include "emu.h"
+#include "mp3.h"
+#include "asm_utils.h"
 #include "../common/emu.h"
+#include "../common/config.h"
 #include "../common/lprintf.h"
-#include "../../Pico/PicoInt.h"
+#include <pico/pico_int.h>
+#include <pico/cd/cue.h>
 
-#define OSD_FPS_X 420
+#define OSD_FPS_X 432
 
 // additional pspaudio imports, credits to crazyc
 int sceAudio_38553111(unsigned short samples, unsigned short freq, char unknown);  // play with conversion?
@@ -24,133 +36,91 @@ int sceAudio_E0727056(int volume, void *buffer);   // blocking output
 int sceAudioOutput2GetRestSample();
 
 
-char romFileName[PATH_MAX];
-unsigned char *PicoDraw2FB = (unsigned char *)VRAM_CACHED_STUFF + 8; // +8 to be able to skip border with 1 quadword..
-int engineState;
-
-static int combo_keys = 0, combo_acts = 0; // keys and actions which need button combos
-static unsigned int noticeMsgTime = 0;
-int reset_timing = 0; // do we need this?
+//unsigned char *Draw2FB = (unsigned char *)VRAM_CACHED_STUFF + 8; // +8 to be able to skip border with 1 quadword..
+int engineStateSuspend;
 
+#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 sound_init(void);
 static void sound_deinit(void);
-static void blit2(const char *fps, const char *notice);
+static void blit2(const char *fps, const char *notice, int lagging_behind);
 static void clearArea(int full);
 
-void emu_noticeMsgUpdated(void)
-{
-       noticeMsgTime = sceKernelGetSystemTimeLow();
-}
-
-void emu_getMainDir(char *dst, int len)
+int plat_get_root_dir(char *dst, int len)
 {
        if (len > 0) *dst = 0;
+       return 0;
 }
 
-static void osd_text(int x, const char *text, int is_active)
+static void osd_text(int x, const char *text, int is_active, int clear_all)
 {
        unsigned short *screen = is_active ? psp_video_get_active_fb() : psp_screen;
-       int len = strlen(text) * 8 / 2;
+       int len = clear_all ? (480 / 2) : (strlen(text) * 8 / 2);
        int *p, h;
        void *tmp;
        for (h = 0; h < 8; h++) {
                p = (int *) (screen+x+512*(264+h));
                p = (int *) ((int)p & ~3); // align
-               memset32(p, 0, len);
+               memset32_uncached(p, 0, len);
        }
        if (is_active) { tmp = psp_screen; psp_screen = screen; } // nasty pointer tricks
-       emu_textOut16(x, 264, text);
+       emu_text_out16(x, 264, text);
        if (is_active) psp_screen = tmp;
 }
 
 void emu_msg_cb(const char *msg)
 {
-       osd_text(4, msg, 1);
+       osd_text(4, msg, 1, 1);
        noticeMsgTime = sceKernelGetSystemTimeLow() - 2000000;
 
        /* assumption: emu_msg_cb gets called only when something slow is about to happen */
        reset_timing = 1;
 }
 
-static void emu_msg_tray_open(void)
-{
-       strcpy(noticeMsg, "CD tray opened");
-       noticeMsgTime = sceKernelGetSystemTimeLow();
-}
-
-
+/* 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)) {
-               FILE *f = fopen(PicoConfigFile, "r+b");
-               if (!f) emu_WriteConfig(0);
-               else {
-                       // if we already have config, reload it, except last ROM
-                       fseek(f, sizeof(currentConfig.lastRomFile), SEEK_SET);
-                       fread(&currentConfig.EmuOpt, 1, sizeof(currentConfig) - sizeof(currentConfig.lastRomFile), f);
-                       fseek(f, 0, SEEK_SET);
-                       fwrite(&currentConfig, 1, sizeof(currentConfig), f);
-                       fflush(f);
-                       fclose(f);
-               }
-       }
-
-       PicoExit();
        sound_deinit();
 }
 
-void emu_setDefaultConfig(void)
-{
-       memset(&currentConfig, 0, sizeof(currentConfig));
-       currentConfig.lastRomFile[0] = 0;
-       currentConfig.EmuOpt  = 0x1f | 0x680; // | confirm_save, cd_leds, 16bit rend
-       currentConfig.PicoOpt = 0x0f | 0xc00; // | cd_pcm, cd_cdda
-       currentConfig.PsndRate = 22050;
-       currentConfig.PicoRegion = 0; // auto
-       currentConfig.PicoAutoRgnOrder = 0x184; // US, EU, JP
-       currentConfig.Frameskip = -1; // auto
-       currentConfig.volume = 50;
-       currentConfig.CPUclock = 222;
-       currentConfig.KeyBinds[ 4] = 1<<0; // SACB RLDU
-       currentConfig.KeyBinds[ 6] = 1<<1;
-       currentConfig.KeyBinds[ 7] = 1<<2;
-       currentConfig.KeyBinds[ 5] = 1<<3;
-       currentConfig.KeyBinds[14] = 1<<4;
-       currentConfig.KeyBinds[13] = 1<<5;
-       currentConfig.KeyBinds[15] = 1<<6;
-       currentConfig.KeyBinds[ 3] = 1<<7;
-       currentConfig.KeyBinds[ 8] = 1<<27; // save state
-       currentConfig.KeyBinds[ 9] = 1<<28; // load state
-       currentConfig.PicoCDBuffers = 0;
-       currentConfig.scaling = 1; // bilinear filtering for psp
-       currentConfig.scale = currentConfig.hscale32 = currentConfig.hscale40 = 1.0;
+void pemu_prep_defconfig(void)
+{
+       defaultConfig.s_PsndRate = 22050;
+       defaultConfig.s_PicoCDBuffers = 64;
+       defaultConfig.CPUclock = 333;
+       defaultConfig.KeyBinds[ 4] = 1<<0; // SACB RLDU
+       defaultConfig.KeyBinds[ 6] = 1<<1;
+       defaultConfig.KeyBinds[ 7] = 1<<2;
+       defaultConfig.KeyBinds[ 5] = 1<<3;
+       defaultConfig.KeyBinds[14] = 1<<4;
+       defaultConfig.KeyBinds[13] = 1<<5;
+       defaultConfig.KeyBinds[15] = 1<<6;
+       defaultConfig.KeyBinds[ 3] = 1<<7;
+       defaultConfig.KeyBinds[12] = 1<<26; // switch rnd
+       defaultConfig.KeyBinds[ 8] = 1<<27; // save state
+       defaultConfig.KeyBinds[ 9] = 1<<28; // load state
+       defaultConfig.KeyBinds[28] = 1<<0; // num "buttons"
+       defaultConfig.KeyBinds[30] = 1<<1;
+       defaultConfig.KeyBinds[31] = 1<<2;
+       defaultConfig.KeyBinds[29] = 1<<3;
+       defaultConfig.scaling = 1;     // bilinear filtering for psp
+       defaultConfig.scale = 1.20;    // fullscreen
+       defaultConfig.hscale40 = 1.25;
+       defaultConfig.hscale32 = 1.56;
 }
 
 
 extern void amips_clut(unsigned short *dst, unsigned char *src, unsigned short *pal, int count);
+extern void amips_clut_6bit(unsigned short *dst, unsigned char *src, unsigned short *pal, int count);
+
+static void (*amips_clut_f)(unsigned short *dst, unsigned char *src, unsigned short *pal, int count) = NULL;
 
 struct Vertex
 {
@@ -165,7 +135,7 @@ static int fbimg_offs = 0;
 
 static void set_scaling_params(void)
 {
-       int src_width, fbimg_width, fbimg_height, fbimg_xoffs, fbimg_yoffs;
+       int src_width, fbimg_width, fbimg_height, fbimg_xoffs, fbimg_yoffs, border_hack = 0;
        g_vertices[0].x = g_vertices[0].y =
        g_vertices[0].z = g_vertices[1].z = 0;
 
@@ -178,9 +148,12 @@ static void set_scaling_params(void)
                src_width = 256;
        }
 
+       if (fbimg_width  & 1) fbimg_width++;  // make even
+       if (fbimg_height & 1) fbimg_height++;
+
        if (fbimg_width >= 480) {
                g_vertices[0].u = (fbimg_width-480)/2;
-               g_vertices[1].u = src_width - (fbimg_width-480)/2;
+               g_vertices[1].u = src_width - (fbimg_width-480)/2 - 1;
                fbimg_width = 480;
                fbimg_xoffs = 0;
        } else {
@@ -188,6 +161,7 @@ static void set_scaling_params(void)
                g_vertices[1].u = src_width;
                fbimg_xoffs = 240 - fbimg_width/2;
        }
+       if (fbimg_width > 320 && fbimg_width <= 480) border_hack = 1;
 
        if (fbimg_height >= 272) {
                g_vertices[0].v = (fbimg_height-272)/2;
@@ -204,6 +178,12 @@ static void set_scaling_params(void)
        g_vertices[1].y = fbimg_height;
        if (fbimg_xoffs < 0) fbimg_xoffs = 0;
        if (fbimg_yoffs < 0) fbimg_yoffs = 0;
+       if (border_hack) {
+               g_vertices[0].u++;
+               g_vertices[0].x++;
+               g_vertices[1].u--;
+               g_vertices[1].x--;
+       }
        fbimg_offs = (fbimg_yoffs*512 + fbimg_xoffs) * 2; // dst is always 16bit
 
        /*
@@ -214,33 +194,39 @@ static void set_scaling_params(void)
        */
 }
 
-static void do_pal_update(int allow_sh)
+static void do_pal_update(int allow_sh, int allow_as)
 {
-       unsigned int *spal=(void *)Pico.cram;
        unsigned int *dpal=(void *)localPal;
        int i;
 
-       for (i = 0x3f/2; i >= 0; i--)
-               dpal[i] = ((spal[i]&0x000f000f)<< 1)|((spal[i]&0x00f000f0)<<3)|((spal[i]&0x0f000f00)<<4);
+       //for (i = 0x3f/2; i >= 0; i--)
+       //      dpal[i] = ((spal[i]&0x000f000f)<< 1)|((spal[i]&0x00f000f0)<<3)|((spal[i]&0x0f000f00)<<4);
+       do_pal_convert(localPal, Pico.cram, currentConfig.gamma, currentConfig.gamma2);
+
+       Pico.m.dirtyPal = 0;
+       need_pal_upload = 1;
 
        if (allow_sh && (Pico.video.reg[0xC]&8)) // shadow/hilight?
        {
                // shadowed pixels
                for (i = 0x3f/2; i >= 0; i--)
-                       dpal[0x20|i] = dpal[0x60|i] = (dpal[i]>>1)&0x738e738e;
+                       dpal[0x20|i] = dpal[0x60|i] = (dpal[i]>>1)&0x7bcf7bcf;
                // hilighted pixels
                for (i = 0x3f; i >= 0; i--) {
-                       int t=localPal[i]&0xe71c;t+=0x4208;
-                       if (t&0x20) t|=0x1c;
-                       if (t&0x800) t|=0x700;
-                       if (t&0x10000) t|=0xe000;
-                       t&=0xe71c;
+                       int t=localPal[i]&0xf79e;t+=0x4208;
+                       if (t&0x20) t|=0x1e;
+                       if (t&0x800) t|=0x780;
+                       if (t&0x10000) t|=0xf000;
+                       t&=0xf79e;
                        localPal[0x80|i]=(unsigned short)t;
                }
                localPal[0xe0] = 0;
+               localPal[0xf0] = 0x001f;
+       }
+       else if (allow_as && (Pico.est.rendstatus & PDRAW_SPR_LO_ON_HI))
+       {
+               memcpy(dpal + 0x80/2, localPal, 0x40*2);
        }
-       Pico.m.dirtyPal = 0;
-       need_pal_upload = 1;
 }
 
 static void do_slowmode_lines(int line_to)
@@ -251,37 +237,47 @@ static void do_slowmode_lines(int line_to)
        if (!(Pico.video.reg[1]&8)) { line = 8; dst += 512*8; src += 512*8; }
 
        for (; line < line_to; line++, dst+=512, src+=512)
-               amips_clut(dst, src, localPal, line_len);
+               amips_clut_f(dst, src, localPal, line_len);
 }
 
 static void EmuScanPrepare(void)
 {
-       HighCol = (unsigned char *)VRAM_CACHED_STUFF + 8;
-       if (!(Pico.video.reg[1]&8)) HighCol += 8*512;
+       Pico.est.HighCol = (unsigned char *)VRAM_CACHED_STUFF + 8;
+       if (!(Pico.video.reg[1]&8)) Pico.est.HighCol += 8*512;
+
+       if (dynamic_palette > 0)
+               dynamic_palette--;
 
-       dynamic_palette = 0;
        if (Pico.m.dirtyPal)
-               do_pal_update(1);
+               do_pal_update(1, 1);
+       if ((Pico.est.rendstatus & PDRAW_SPR_LO_ON_HI) && !(Pico.video.reg[0xC]&8))
+            amips_clut_f = amips_clut_6bit;
+       else amips_clut_f = amips_clut;
 }
 
-static int EmuScanSlow(unsigned int num, void *sdata)
+static int EmuScanSlowBegin(unsigned int num)
 {
-       if (!(Pico.video.reg[1]&8)) num += 8;
+       if (!dynamic_palette)
+               Pico.est.HighCol = (unsigned char *)VRAM_CACHED_STUFF + num * 512 + 8;
 
+       return 0;
+}
+
+static int EmuScanSlowEnd(unsigned int num)
+{
        if (Pico.m.dirtyPal) {
                if (!dynamic_palette) {
                        do_slowmode_lines(num);
-                       dynamic_palette = 1;
+                       dynamic_palette = 3; // last for 2 more frames
                }
-               do_pal_update(1);
+               do_pal_update(1, 1);
        }
 
        if (dynamic_palette) {
                int line_len = (Pico.video.reg[12]&1) ? 320 : 256;
                void *dst = (char *)VRAM_STUFF + 512*240 + 512*2*num;
-               amips_clut(dst, HighCol + 8, localPal, line_len);
-       } else
-               HighCol = (unsigned char *)VRAM_CACHED_STUFF + (num+1)*512 + 8;
+               amips_clut_f(dst, Pico.est.HighCol + 8, localPal, line_len);
+       }
 
        return 0;
 }
@@ -297,7 +293,7 @@ static void blitscreen_clut(void)
 
        if (dynamic_palette)
        {
-               if (!blit_16bit_mode) {
+               if (!blit_16bit_mode) { // the current mode is not 16bit
                        sceGuTexMode(GU_PSM_5650, 0, 0, 0);
                        sceGuTexImage(0,512,512,512,(char *)VRAM_STUFF + 512*240);
 
@@ -313,8 +309,8 @@ static void blitscreen_clut(void)
                        blit_16bit_mode = 0;
                }
 
-               if ((PicoOpt&0x10) && Pico.m.dirtyPal)
-                       do_pal_update(0);
+               if ((PicoIn.opt&0x10) && Pico.m.dirtyPal)
+                       do_pal_update(0, 0);
 
                sceKernelDcacheWritebackAll();
 
@@ -352,21 +348,34 @@ static void blitscreen_clut(void)
 
 static void cd_leds(void)
 {
-       static int old_reg = 0;
-       unsigned int col_g, col_r, *p;
+       unsigned int reg, col_g, col_r, *p;
 
-       if (!((Pico_mcd->s68k_regs[0] ^ old_reg) & 3)) return; // no change
-       old_reg = Pico_mcd->s68k_regs[0];
+       reg = Pico_mcd->s68k_regs[0];
 
        p = (unsigned int *)((short *)psp_screen + 512*2+4+2);
-       col_g = (old_reg & 2) ? 0x06000600 : 0;
-       col_r = (old_reg & 1) ? 0xc000c000 : 0;
+       col_g = (reg & 2) ? 0x06000600 : 0;
+       col_r = (reg & 1) ? 0x00180018 : 0;
        *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; p += 512/2 - 12/2;
        *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; p += 512/2 - 12/2;
        *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r;
 }
 
+static void draw_pico_ptr(void)
+{
+       unsigned char *p = (unsigned char *)VRAM_STUFF + 16;
+
+       // only if pen enabled and for 8bit mode
+       if (pico_inp_mode == 0 || blit_16bit_mode) return;
+
+       p += 512 * (pico_pen_y + PICO_PEN_ADJUST_Y);
+       p += pico_pen_x + PICO_PEN_ADJUST_X;
+       p[  -1] = 0xe0; p[   0] = 0xf0; p[   1] = 0xe0;
+       p[ 511] = 0xf0; p[ 512] = 0xf0; p[ 513] = 0xf0;
+       p[1023] = 0xe0; p[1024] = 0xf0; p[1025] = 0xe0;
+}
+
 
+#if 0
 static void dbg_text(void)
 {
        int *p, h, len;
@@ -377,62 +386,67 @@ static void dbg_text(void)
        for (h = 0; h < 8; h++) {
                p = (int *) ((unsigned short *) psp_screen+2+512*(256+h));
                p = (int *) ((int)p & ~3); // align
-               memset32(p, 0, len);
+               memset32_uncached(p, 0, len);
        }
-       emu_textOut16(2, 256, text);
+       emu_text_out16(2, 256, text);
 }
-
+#endif
 
 /* called after rendering is done, but frame emulation is not finished */
 void blit1(void)
 {
-       if (PicoOpt&0x10)
+       if (PicoIn.opt&0x10)
        {
                int i;
                unsigned char *pd;
                // clear top and bottom trash
-               for (pd = PicoDraw2FB+8, i = 8; i > 0; i--, pd += 512)
+               for (pd = Pico.est.Draw2FB+8, i = 8; i > 0; i--, pd += 512)
                        memset32((int *)pd, 0xe0e0e0e0, 320/4);
-               for (pd = PicoDraw2FB+512*232+8, i = 8; i > 0; i--, pd += 512)
+               for (pd = Pico.est.Draw2FB+512*232+8, i = 8; i > 0; i--, pd += 512)
                        memset32((int *)pd, 0xe0e0e0e0, 320/4);
        }
 
+       if (PicoIn.AHW & PAHW_PICO)
+               draw_pico_ptr();
+
        blitscreen_clut();
 }
 
 
-static void blit2(const char *fps, const char *notice)
+static void blit2(const char *fps, const char *notice, int lagging_behind)
 {
-       int emu_opt = currentConfig.EmuOpt;
-
-       sceGuSync(0,0);
+       int vsync = 0, emu_opt = currentConfig.EmuOpt;
 
        if (notice || (emu_opt & 2)) {
-               if (notice)      osd_text(4, notice, 0);
-               if (emu_opt & 2) osd_text(OSD_FPS_X, fps, 0);
+               if (notice)      osd_text(4, notice, 0, 0);
+               if (emu_opt & 2) osd_text(OSD_FPS_X, fps, 0, 0);
        }
 
-       dbg_text();
+       //dbg_text();
 
-       if ((emu_opt & 0x400) && (PicoMCD & 1))
+       if ((emu_opt & 0x400) && (PicoIn.AHW & PAHW_MCD))
                cd_leds();
 
-       psp_video_flip(0);
+       if (currentConfig.EmuOpt & 0x2000) { // want vsync
+               if (!(currentConfig.EmuOpt & 0x10000) || !lagging_behind) vsync = 1;
+       }
+
+       psp_video_flip(vsync);
 }
 
 // clears whole screen or just the notice area (in all buffers)
 static void clearArea(int full)
 {
        if (full) {
-               memset32(psp_screen, 0, 512*272*2/4);
+               memset32_uncached(psp_screen, 0, 512*272*2/4);
                psp_video_flip(0);
-               memset32(psp_screen, 0, 512*272*2/4);
+               memset32_uncached(psp_screen, 0, 512*272*2/4);
                memset32(VRAM_CACHED_STUFF, 0xe0e0e0e0, 512*240/4);
                memset32((int *)VRAM_CACHED_STUFF+512*240/4, 0, 512*240*2/4);
        } else {
                void *fb = psp_video_get_active_fb();
-               memset32((int *)((char *)psp_screen + 512*264*2), 0, 512*8*2/4);
-               memset32((int *)((char *)fb         + 512*264*2), 0, 512*8*2/4);
+               memset32_uncached((int *)((char *)psp_screen + 512*264*2), 0, 512*8*2/4);
+               memset32_uncached((int *)((char *)fb         + 512*264*2), 0, 512*8*2/4);
        }
 }
 
@@ -454,10 +468,11 @@ static void vidResetMode(void)
        sceGuTexImage(0,512,512,512,(char *)VRAM_STUFF + 16);
 
        // slow rend.
-       PicoDrawSetColorFormat(-1);
-       PicoScan = EmuScanSlow;
+       PicoDrawSetOutFormat(PDF_NONE, 0);
+       PicoDrawSetCallbacks(EmuScanSlowBegin, EmuScanSlowEnd);
 
        localPal[0xe0] = 0;
+       localPal[0xf0] = 0x001f;
        Pico.m.dirtyPal = 1;
        blit_16bit_mode = dynamic_palette = 0;
 
@@ -466,11 +481,16 @@ static void vidResetMode(void)
        sceGuSync(0,0);
 }
 
+void plat_debug_cat(char *str)
+{
+       strcat(str, blit_16bit_mode ? "soft clut\n" : "hard clut\n");
+}
+
 
 /* sound stuff */
-#define SOUND_BLOCK_SIZE_NTSC (2940*2) // 1024 // 1152
-#define SOUND_BLOCK_SIZE_PAL  (3528*2)
-#define SOUND_BLOCK_COUNT    4
+#define SOUND_BLOCK_SIZE_NTSC (1470*2) // 1024 // 1152
+#define SOUND_BLOCK_SIZE_PAL  (1764*2)
+#define SOUND_BLOCK_COUNT    8
 
 static short __attribute__((aligned(4))) sndBuffer[SOUND_BLOCK_SIZE_PAL*SOUND_BLOCK_COUNT + 44100/50*2];
 static short *snd_playptr = NULL, *sndBuffer_endptr = NULL;
@@ -482,21 +502,22 @@ static void writeSound(int len);
 
 static int sound_thread(SceSize args, void *argp)
 {
-       int ret;
+       int ret = 0;
 
-       lprintf("sound_thread: started, priority %i\n", sceKernelGetThreadCurrentPriority());
+       lprintf("sthr: started, priority %i\n", sceKernelGetThreadCurrentPriority());
 
        while (!sound_thread_exit)
        {
                if (samples_made - samples_done < samples_block) {
-                       // wait for data...
-                       //lprintf("sthr: wait... (%i/%i)\n", samples_done, samples_made);
-                       ret = sceKernelWaitSema(sound_sem, 1, 0);
-                       //lprintf("sthr: sceKernelWaitSema: %i\n", ret);
+                       // wait for data (use at least 2 blocks)
+                       //lprintf("sthr: wait... (%i)\n", samples_made - samples_done);
+                       while (samples_made - samples_done <= samples_block*2 && !sound_thread_exit)
+                               ret = sceKernelWaitSema(sound_sem, 1, 0);
+                       if (ret < 0) lprintf("sthr: sceKernelWaitSema: %i\n", ret);
                        continue;
                }
 
-               //lprintf("sthr: got data: %i\n", samples_made - samples_done);
+               // lprintf("sthr: got data: %i\n", samples_made - samples_done);
 
                ret = sceAudio_E0727056(PSP_AUDIO_VOLUME_MAX, snd_playptr);
 
@@ -504,8 +525,17 @@ static int sound_thread(SceSize args, void *argp)
                snd_playptr  += samples_block;
                if (snd_playptr >= sndBuffer_endptr)
                        snd_playptr = sndBuffer;
-               if (ret)
-                       lprintf("sthr: outf: %i; pos %i/%i\n", ret, samples_done, samples_made);
+               // 1.5 kernel returns 0, newer ones return # of samples queued
+               if (ret < 0)
+                       lprintf("sthr: sceAudio_E0727056: %08x; pos %i/%i\n", ret, samples_done, samples_made);
+
+               // shouln't happen, but just in case
+               if (samples_made - samples_done >= samples_block*3) {
+                       //lprintf("sthr: block skip (%i)\n", samples_made - samples_done);
+                       samples_done += samples_block; // skip
+                       snd_playptr  += samples_block;
+               }
+
        }
 
        lprintf("sthr: exit\n");
@@ -516,48 +546,50 @@ static int sound_thread(SceSize args, void *argp)
 static void sound_init(void)
 {
        SceUID thid;
+       int ret;
 
        sound_sem = sceKernelCreateSema("sndsem", 0, 0, 1, NULL);
        if (sound_sem < 0) lprintf("sceKernelCreateSema() failed: %i\n", sound_sem);
 
+       samples_made = samples_done = 0;
+       samples_block = SOUND_BLOCK_SIZE_NTSC; // make sure it goes to sema
        sound_thread_exit = 0;
        thid = sceKernelCreateThread("sndthread", sound_thread, 0x12, 0x10000, 0, NULL);
        if (thid >= 0)
        {
-               sceKernelStartThread(thid, 0, 0);
+               ret = sceKernelStartThread(thid, 0, 0);
+               if (ret < 0) lprintf("sound_init: sceKernelStartThread returned %08x\n", ret);
        }
        else
                lprintf("sceKernelCreateThread failed: %i\n", thid);
 }
 
-static void sound_prepare(void)
+void pemu_sound_start(void)
 {
        static int PsndRate_old = 0, PicoOpt_old = 0, pal_old = 0;
        int ret, stereo;
 
        samples_made = samples_done = 0;
 
-       if (PsndRate != PsndRate_old || (PicoOpt&0x0b) != (PicoOpt_old&0x0b) || Pico.m.pal != pal_old) {
-               sound_rerate(Pico.m.frame_count ? 1 : 0);
+       if (PsndRate != PsndRate_old || (PicoIn.opt&0x0b) != (PicoOpt_old&0x0b) || Pico.m.pal != pal_old) {
+               PsndRerate(Pico.m.frame_count ? 1 : 0);
        }
-       stereo=(PicoOpt&8)>>3;
+       stereo=(PicoIn.opt&8)>>3;
 
        samples_block = Pico.m.pal ? SOUND_BLOCK_SIZE_PAL : SOUND_BLOCK_SIZE_NTSC;
-       if (PsndRate == 22050) samples_block /= 2;
-       else if (PsndRate == 11025) samples_block /= 4;
+       if (PsndRate <= 22050) samples_block /= 2;
        sndBuffer_endptr = &sndBuffer[samples_block*SOUND_BLOCK_COUNT];
 
        lprintf("starting audio: %i, len: %i, stereo: %i, pal: %i, block samples: %i\n",
                        PsndRate, PsndLen, stereo, Pico.m.pal, samples_block);
 
-       while (sceAudioOutput2GetRestSample() > 0) psp_msleep(100);
-       sceAudio_5C37C0AE();
+       // while (sceAudioOutput2GetRestSample() > 0) psp_msleep(100);
+       // sceAudio_5C37C0AE();
        ret = sceAudio_38553111(samples_block/2, PsndRate, 2); // seems to not need that stupid 64byte alignment
        if (ret < 0) {
                lprintf("sceAudio_38553111() failed: %i\n", ret);
-               sprintf(noticeMsg, "sound init failed (%i), snd disabled", ret);
-               noticeMsgTime = sceKernelGetSystemTimeLow();
-               currentConfig.EmuOpt &= ~4;
+               emu_status_msg("sound init failed (%i), snd disabled", ret);
+               currentConfig.EmuOpt &= ~EOPT_EN_SOUND;
        } else {
                PicoWriteSound = writeSound;
                memset32((int *)(void *)sndBuffer, 0, sizeof(sndBuffer)/4);
@@ -565,19 +597,38 @@ static void sound_prepare(void)
                samples_made = samples_block; // send 1 empty block first..
                PsndOut = sndBuffer;
                PsndRate_old = PsndRate;
-               PicoOpt_old  = PicoOpt;
+               PicoOpt_old  = PicoIn.opt;
                pal_old = Pico.m.pal;
        }
 }
 
-static void sound_end(void)
+void pemu_sound_stop(void)
 {
+       int i;
+       if (samples_done == 0)
+       {
+               // if no data is written between sceAudio_38553111 and sceAudio_5C37C0AE calls,
+               // we get a deadlock on next sceAudio_38553111 call
+               // so this is yet another workaround:
+               memset32((int *)(void *)sndBuffer, 0, samples_block*4/4);
+               samples_made = samples_block * 3;
+               sceKernelSignalSema(sound_sem, 1);
+       }
+       sceKernelDelayThread(100*1000);
        samples_made = samples_done = 0;
-       while (sceAudioOutput2GetRestSample() > 0)
+       for (i = 0; sceAudioOutput2GetRestSample() > 0 && i < 16; i++)
                psp_msleep(100);
        sceAudio_5C37C0AE();
 }
 
+/* wait until we can write more sound */
+void pemu_sound_wait(void)
+{
+       // TODO: test this
+       while (!sound_thread_exit && samples_made - samples_done > samples_block * 4)
+               psp_msleep(10);
+}
+
 static void sound_deinit(void)
 {
        sound_thread_exit = 1;
@@ -589,86 +640,112 @@ static void sound_deinit(void)
 static void writeSound(int len)
 {
        int ret;
-       if (PicoOpt&8) len<<=1;
 
-       PsndOut += len;
+       PsndOut += len / 2;
        /*if (PsndOut > sndBuffer_endptr) {
                memcpy32((int *)(void *)sndBuffer, (int *)endptr, (PsndOut - endptr + 1) / 2);
                PsndOut = &sndBuffer[PsndOut - endptr];
                lprintf("mov\n");
        }
        else*/
+       if (PsndOut > sndBuffer_endptr) lprintf("snd oflow %i!\n", PsndOut - sndBuffer_endptr);
        if (PsndOut >= sndBuffer_endptr)
                PsndOut = sndBuffer;
 
        // signal the snd thread
-       samples_made += len;
-       if (samples_made - samples_done >= samples_block) {
+       samples_made += len / 2;
+       if (samples_made - samples_done > samples_block*2) {
                // lprintf("signal, %i/%i\n", samples_done, samples_made);
                ret = sceKernelSignalSema(sound_sem, 1);
-               // lprintf("signal ret %i\n", ret);
+               //if (ret < 0) lprintf("snd signal ret %08x\n", ret);
        }
 }
 
 
 static void SkipFrame(void)
 {
-       PicoSkipFrame=1;
+       PicoIn.skipFrame=1;
        PicoFrame();
-       PicoSkipFrame=0;
+       PicoIn.skipFrame=0;
 }
 
-void emu_forcedFrame(void)
+void pemu_forced_frame(int no_scale, int do_emu)
 {
-       int po_old = PicoOpt;
+       int po_old = PicoIn.opt;
        int eo_old = currentConfig.EmuOpt;
 
-       PicoOpt &= ~0x0010;
-       PicoOpt |=  0x4080; // soft_scale | acc_sprites
+       PicoIn.opt &= ~POPT_ALT_RENDERER;
+       PicoIn.opt |= POPT_ACC_SPRITES;
+       if (!no_scale)
+               PicoIn.opt |= POPT_EN_SOFTSCALE;
        currentConfig.EmuOpt |= 0x80;
 
        vidResetMode();
        memset32(VRAM_CACHED_STUFF, 0xe0e0e0e0, 512*8/4); // borders
        memset32((int *)VRAM_CACHED_STUFF + 512*232/4, 0xe0e0e0e0, 512*8/4);
-       memset32((int *)psp_screen + 512*264*2/4, 0, 512*8*2/4);
+       memset32_uncached((int *)psp_screen + 512*264*2/4, 0, 512*8*2/4);
 
-       PicoDrawSetColorFormat(-1);
-       PicoScan = EmuScanSlow;
+       PicoDrawSetOutFormat(PDF_NONE, 0);
+       PicoDrawSetCallbacks(EmuScanSlowBegin, EmuScanSlowEnd);
        EmuScanPrepare();
        PicoFrameDrawOnly();
        blit1();
        sceGuSync(0,0);
 
-       PicoOpt = po_old;
+       PicoIn.opt = po_old;
        currentConfig.EmuOpt = eo_old;
 }
 
 
+static void RunEventsPico(unsigned int events, unsigned int keys)
+{
+       emu_RunEventsPico(events);
+
+       if (pico_inp_mode != 0)
+       {
+               PicoIn.pad[0] &= ~0x0f; // release UDLR
+               if (keys & PBTN_UP)   { pico_pen_y--; if (pico_pen_y < 8) pico_pen_y = 8; }
+               if (keys & PBTN_DOWN) { pico_pen_y++; if (pico_pen_y > 224-PICO_PEN_ADJUST_Y) pico_pen_y = 224-PICO_PEN_ADJUST_Y; }
+               if (keys & PBTN_LEFT) { pico_pen_x--; if (pico_pen_x < 0) pico_pen_x = 0; }
+               if (keys & PBTN_RIGHT) {
+                       int lim = (Pico.video.reg[12]&1) ? 319 : 255;
+                       pico_pen_x++;
+                       if (pico_pen_x > lim-PICO_PEN_ADJUST_X)
+                               pico_pen_x = lim-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 RunEvents(unsigned int which)
 {
        if (which & 0x1800) // save or load (but not both)
        {
                int do_it = 1;
 
-               if ( emu_checkSaveFile(state_slot) &&
+               if ( emu_check_save_file(state_slot) &&
                                (( (which & 0x1000) && (currentConfig.EmuOpt & 0x800)) || // load
                                 (!(which & 0x1000) && (currentConfig.EmuOpt & 0x200))) ) // save
                {
                        int keys;
-                       blit2("", (which & 0x1000) ? "LOAD STATE? (X=yes, O=no)" : "OVERWRITE SAVE? (X=yes, O=no)");
-                       while( !((keys = psp_pad_read(1)) & (BTN_X|BTN_CIRCLE)) )
+                       sceGuSync(0,0);
+                       blit2("", (which & 0x1000) ? "LOAD STATE? (X=yes, O=no)" : "OVERWRITE SAVE? (X=yes, O=no)", 0);
+                       while( !((keys = psp_pad_read(1)) & (PBTN_X|PBTN_CIRCLE)) )
                                psp_msleep(50);
-                       if (keys & BTN_CIRCLE) do_it = 0;
-                       while(  ((keys = psp_pad_read(1)) & (BTN_X|BTN_CIRCLE)) ) // wait for release
+                       if (keys & PBTN_CIRCLE) do_it = 0;
+                       while(  ((keys = psp_pad_read(1)) & (PBTN_X|PBTN_CIRCLE)) ) // wait for release
                                psp_msleep(50);
                        clearArea(0);
                }
 
                if (do_it)
                {
-                       osd_text(4, (which & 0x1000) ? "LOADING GAME" : "SAVING GAME", 1);
+                       osd_text(4, (which & 0x1000) ? "LOADING GAME" : "SAVING GAME", 1, 0);
                        PicoStateProgressCB = emu_msg_cb;
-                       emu_SaveLoadGame((which & 0x1000) >> 12, 0);
+                       emu_save_load_game((which & 0x1000) >> 12, 0);
                        PicoStateProgressCB = NULL;
                        psp_msleep(0);
                }
@@ -677,20 +754,15 @@ static void RunEvents(unsigned int which)
        }
        if (which & 0x0400) // switch renderer
        {
-               if (PicoOpt&0x10) { PicoOpt&=~0x10; currentConfig.EmuOpt |=  0x80; }
-               else              { PicoOpt|= 0x10; currentConfig.EmuOpt &= ~0x80; }
+               if (PicoIn.opt&0x10) { PicoIn.opt&=~0x10; currentConfig.EmuOpt |=  0x80; }
+               else              { PicoIn.opt|= 0x10; currentConfig.EmuOpt &= ~0x80; }
 
                vidResetMode();
 
-               if (PicoOpt&0x10) {
-                       strcpy(noticeMsg, " 8bit fast renderer");
-               } else if (currentConfig.EmuOpt&0x80) {
-                       strcpy(noticeMsg, "16bit accurate renderer");
-               } else {
-                       strcpy(noticeMsg, " 8bit accurate renderer");
-               }
-
-               noticeMsgTime = sceKernelGetSystemTimeLow();
+               if (PicoIn.opt & POPT_ALT_RENDERER)
+                       emu_status_msg("fast renderer");
+               else if (currentConfig.EmuOpt&0x80)
+                       emu_status_msg("accurate renderer");
        }
        if (which & 0x0300)
        {
@@ -701,8 +773,8 @@ static void RunEvents(unsigned int which)
                        state_slot += 1;
                        if(state_slot > 9) state_slot = 0;
                }
-               sprintf(noticeMsg, "SAVE SLOT %i [%s]", state_slot, emu_checkSaveFile(state_slot) ? "USED" : "FREE");
-               noticeMsgTime = sceKernelGetSystemTimeLow();
+               emu_status_msg("SAVE SLOT %i [%s]", state_slot,
+                       emu_check_save_file(state_slot) ? "USED" : "FREE");
        }
 }
 
@@ -712,97 +784,39 @@ static void updateKeys(void)
        static unsigned int prevEvents = 0;
        int i;
 
+       /* FIXME: port to input fw, merge with emu.c:emu_update_input() */
        keys = psp_pad_read(0);
        if (keys & PSP_CTRL_HOME)
                sceDisplayWaitVblankStart();
 
-       if (keys & BTN_SELECT)
+       if (keys & PBTN_SELECT)
                engineState = PGS_Menu;
 
        keys &= CONFIGURABLE_KEYS;
 
-       for (i = 0; i < 32; i++)
-       {
-               if (keys & (1 << i))
-               {
-                       int pl, acts = currentConfig.KeyBinds[i];
-                       if (!acts) continue;
-                       pl = (acts >> 16) & 1;
-                       if (combo_keys & (1 << i))
-                       {
-                               int u = i+1, acts_c = acts & combo_acts;
-                               // let's try to find the other one
-                               if (acts_c)
-                                       for (; u < 32; u++)
-                                               if ( (currentConfig.KeyBinds[u] & acts_c) && (keys & (1 << u)) ) {
-                                                       allActions[pl] |= acts_c;
-                                                       keys &= ~((1 << i) | (1 << u));
-                                                       break;
-                                               }
-                               // add non-combo actions if combo ones were not found
-                               if (!acts_c || u == 32)
-                                       allActions[pl] |= acts & ~combo_acts;
-                       } else {
-                               allActions[pl] |= acts;
-                       }
-               }
-       }
+       PicoIn.pad[0] = allActions[0] & 0xfff;
+       PicoIn.pad[1] = allActions[1] & 0xfff;
 
-       PicoPad[0] = (unsigned short) allActions[0];
-       PicoPad[1] = (unsigned short) allActions[1];
+       if (allActions[0] & 0x7000) emu_DoTurbo(&PicoIn.pad[0], allActions[0]);
+       if (allActions[1] & 0x7000) emu_DoTurbo(&PicoIn.pad[1], allActions[1]);
 
        events = (allActions[0] | allActions[1]) >> 16;
 
-       // volume is treated in special way and triggered every frame
-       if ((events & 0x6000) && PsndOut != NULL)
-       {
-               int vol = currentConfig.volume;
-               if (events & 0x2000) {
-                       if (vol < 100) vol++;
-               } else {
-                       if (vol >   0) vol--;
-               }
-               // FrameworkAudio_SetVolume(vol, vol); // TODO
-               sprintf(noticeMsg, "VOL: %02i ", vol);
-               noticeMsgTime = sceKernelGetSystemTimeLow();
-               currentConfig.volume = vol;
+       if ((events ^ prevEvents) & 0x40) {
+               emu_set_fastforward(events & 0x40);
+               reset_timing = 1;
        }
 
        events &= ~prevEvents;
+
+       if (PicoIn.AHW == PAHW_PICO)
+               RunEventsPico(events, keys);
        if (events) RunEvents(events);
        if (movie_data) emu_updateMovie();
 
        prevEvents = (allActions[0] | allActions[1]) >> 16;
 }
 
-static void find_combos(void)
-{
-       int act, u;
-
-       // find out which keys and actions are combos
-       combo_keys = combo_acts = 0;
-       for (act = 0; act < 32; act++)
-       {
-               int keyc = 0;
-               if (act == 16 || act == 17) continue; // player2 flag
-               for (u = 0; u < 32; u++)
-               {
-                       if (currentConfig.KeyBinds[u] & (1 << act)) keyc++;
-               }
-               if (keyc > 1)
-               {
-                       // loop again and mark those keys and actions as combo
-                       for (u = 0; u < 32; u++)
-                       {
-                               if (currentConfig.KeyBinds[u] & (1 << act)) {
-                                       combo_keys |= 1 << u;
-                                       combo_acts |= 1 << act;
-                               }
-                       }
-               }
-       }
-}
-
 
 static void simpleWait(unsigned int until)
 {
@@ -815,12 +829,14 @@ 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
-       unsigned int tval, tval_prev = 0, tval_thissec = 0; // timing
-       int frames_done = 0, frames_shown = 0, oldmodes = 0;
-       int target_fps, target_frametime, lim_time, tval_diff, i;
+       unsigned int tval, tval_thissec = 0; // timing
+       int target_fps, target_frametime, lim_time, tval_diff, i, oldmodes = 0;
+       int pframes_done, pframes_shown; // "period" frames, used for sync
+       int  frames_done,  frames_shown, tval_fpsc = 0; // actual frames
        char *notice = NULL;
 
        lprintf("entered emu_Loop()\n");
@@ -839,34 +855,47 @@ void emu_Loop(void)
        clearArea(1);
        Pico.m.dirtyPal = 1;
        oldmodes = ((Pico.video.reg[12]&1)<<2) ^ 0xc;
-       find_combos();
 
        // pal/ntsc might have changed, reset related stuff
        target_fps = Pico.m.pal ? 50 : 60;
        target_frametime = Pico.m.pal ? (1000000<<8)/50 : (1000000<<8)/60+1;
        reset_timing = 1;
 
-       // prepare CD buffer
-       if (PicoMCD & 1) PicoCDBufferInit();
+       if (PicoIn.AHW & PAHW_MCD) {
+               // prepare CD buffer
+               PicoCDBufferInit();
+               // mp3...
+               if (!mp3_init_done) {
+                       i = mp3_init();
+                       mp3_init_done = 1;
+                       if (i) { engineState = PGS_Menu; return; }
+               }
+       }
 
        // prepare sound stuff
        PsndOut = NULL;
-       if (currentConfig.EmuOpt & 4)
+       if (currentConfig.EmuOpt & EOPT_EN_SOUND)
        {
-               sound_prepare();
+               pemu_sound_start();
        }
 
+       sceDisplayWaitVblankStart();
+       pframes_shown = pframes_done =
+        frames_shown =  frames_done = 0;
+
+       tval_fpsc = sceKernelGetSystemTimeLow();
+
        // loop?
        while (engineState == PGS_Running)
        {
                int modes;
 
                tval = sceKernelGetSystemTimeLow();
-               if (reset_timing || tval < tval_prev) {
+               if (reset_timing || tval < tval_fpsc) {
                        //stdbg("timing reset");
                        reset_timing = 0;
                        tval_thissec = tval;
-                       frames_shown = frames_done = 0;
+                       pframes_shown = pframes_done = 0;
                }
 
                // show notice message?
@@ -892,38 +921,42 @@ void emu_Loop(void)
                }
 
                // second passed?
+               if (tval - tval_fpsc >= 1000000)
+               {
+                       if (currentConfig.EmuOpt & 2)
+                               sprintf(fpsbuff, "%02i/%02i  ", frames_shown, frames_done);
+                       frames_done = frames_shown = 0;
+                       tval_fpsc += 1000000;
+               }
+
                if (tval - tval_thissec >= 1000000)
                {
                        // missing 1 frame?
-                       if (currentConfig.Frameskip < 0 && frames_done < target_fps) {
-                               SkipFrame(); frames_done++;
+                       if (currentConfig.Frameskip < 0 && pframes_done < target_fps) {
+                               SkipFrame(); pframes_done++; frames_done++;
                        }
 
-                       if (currentConfig.EmuOpt & 2)
-                               sprintf(fpsbuff, "%02i/%02i  ", frames_shown, frames_done);
-
                        tval_thissec += 1000000;
 
                        if (currentConfig.Frameskip < 0) {
-                               frames_done  -= target_fps; if (frames_done  < 0) frames_done  = 0;
-                               frames_shown -= target_fps; if (frames_shown < 0) frames_shown = 0;
-                               if (frames_shown > frames_done) frames_shown = frames_done;
+                               pframes_done  -= target_fps; if (pframes_done  < 0) pframes_done  = 0;
+                               pframes_shown -= target_fps; if (pframes_shown < 0) pframes_shown = 0;
+                               if (pframes_shown > pframes_done) pframes_shown = pframes_done;
                        } else {
-                               frames_done = frames_shown = 0;
+                               pframes_done = pframes_shown = 0;
                        }
                }
 #ifdef PFRAMES
                sprintf(fpsbuff, "%i", Pico.m.frame_count);
 #endif
 
-               tval_prev = tval;
-               lim_time = (frames_done+1) * target_frametime;
+               lim_time = (pframes_done+1) * target_frametime;
                if (currentConfig.Frameskip >= 0) // frameskip enabled
                {
                        for (i = 0; i < currentConfig.Frameskip; i++) {
                                updateKeys();
-                               SkipFrame(); frames_done++;
-                               if (PsndOut) { // do framelimitting if sound is enabled
+                               SkipFrame(); pframes_done++; frames_done++;
+                               if (!(currentConfig.EmuOpt&0x40000)) { // do framelimitting if needed
                                        int tval_diff;
                                        tval = sceKernelGetSystemTimeLow();
                                        tval_diff = (int)(tval - tval_thissec) << 8;
@@ -938,37 +971,38 @@ void emu_Loop(void)
                        int tval_diff;
                        tval = sceKernelGetSystemTimeLow();
                        tval_diff = (int)(tval - tval_thissec) << 8;
-                       if (tval_diff > lim_time)
+                       if (tval_diff > lim_time && (pframes_done/16 < pframes_shown))
                        {
                                // no time left for this frame - skip
                                if (tval_diff - lim_time >= (300000<<8)) {
-                                       /* something caused a slowdown for us (disk access? cache flush?)
-                                        * try to recover by resetting timing... */
                                        reset_timing = 1;
                                        continue;
                                }
                                updateKeys();
-                               SkipFrame(); frames_done++;
+                               SkipFrame(); pframes_done++; frames_done++;
                                continue;
                        }
                }
 
                updateKeys();
 
-               if (!(PicoOpt&0x10))
+               if (!(PicoIn.opt&0x10))
                        EmuScanPrepare();
 
                PicoFrame();
 
-               blit2(fpsbuff, notice);
+               sceGuSync(0,0);
 
                // check time
                tval = sceKernelGetSystemTimeLow();
                tval_diff = (int)(tval - tval_thissec) << 8;
 
-               if (currentConfig.Frameskip < 0 && tval_diff - lim_time >= (300000<<8)) // slowdown detection
+               blit2(fpsbuff, notice, tval_diff > lim_time);
+
+               if (currentConfig.Frameskip < 0 && tval_diff - lim_time >= (300000<<8)) { // slowdown detection
                        reset_timing = 1;
-               else if (PsndOut != NULL || currentConfig.Frameskip < 0)
+               }
+               else if (!(currentConfig.EmuOpt&0x40000) || currentConfig.Frameskip < 0)
                {
                        // sleep if we are still too fast
                        if (tval_diff < lim_time)
@@ -978,32 +1012,60 @@ void emu_Loop(void)
                        }
                }
 
-               frames_done++; frames_shown++;
+               pframes_done++; pframes_shown++;
+                frames_done++;  frames_shown++;
        }
 
 
-       if (PicoMCD & 1) PicoCDBufferFree();
+       emu_set_fastforward(0);
+
+       if (PicoIn.AHW & PAHW_MCD) PicoCDBufferFree();
 
        if (PsndOut != NULL) {
+               pemu_sound_stop();
                PsndOut = NULL;
-               sound_end();
        }
 
        // save SRAM
        if ((currentConfig.EmuOpt & 1) && SRam.changed) {
                emu_msg_cb("Writing SRAM/BRAM..");
-               emu_SaveLoadGame(0, 1);
+               emu_save_load_game(0, 1);
                SRam.changed = 0;
        }
 
        // clear fps counters and stuff
-       memset32((int *)psp_video_get_active_fb() + 512*264*2/4, 0, 512*8*2/4);
+       memset32_uncached((int *)psp_video_get_active_fb() + 512*264*2/4, 0, 512*8*2/4);
 }
 
-
-void emu_ResetGame(void)
+void emu_HandleResume(void)
 {
-       PicoReset(0);
-       reset_timing = 1;
+       if (!(PicoIn.AHW & PAHW_MCD)) return;
+
+       // reopen first CD track
+       if (Pico_mcd->TOC.Tracks[0].F != NULL)
+       {
+               char *fname = rom_fname_reload;
+               int len = strlen(rom_fname_reload);
+               cue_data_t *cue_data = NULL;
+
+               if (len > 4 && strcasecmp(fname + len - 4,  ".cue") == 0)
+               {
+                       cue_data = cue_parse(rom_fname_reload);
+                       if (cue_data != NULL)
+                               fname = cue_data->tracks[1].fname;
+               }
+
+               lprintf("emu_HandleResume: reopen %s\n", fname);
+               pm_close(Pico_mcd->TOC.Tracks[0].F);
+               Pico_mcd->TOC.Tracks[0].F = pm_open(fname);
+               lprintf("reopen %s\n", Pico_mcd->TOC.Tracks[0].F != NULL ? "ok" : "failed");
+
+               if (cue_data != NULL) cue_destroy(cue_data);
+       }
+
+       mp3_reopen_file();
+
+       if (!(Pico_mcd->s68k_regs[0x36] & 1) && (Pico_mcd->scd.Status_CDC & 1))
+               cdda_start_play();
 }