psp gfx scaling/etc stuff
[libpicofe.git] / psp / emu.c
index edaf26a..8542a8f 100644 (file)
--- a/psp/emu.c
+++ b/psp/emu.c
@@ -15,9 +15,9 @@
 #include "../../Pico/PicoInt.h"
 
 #ifdef BENCHMARK
-#define OSD_FPS_X 220
+#define OSD_FPS_X 380
 #else
-#define OSD_FPS_X 260
+#define OSD_FPS_X 420
 #endif
 
 char romFileName[PATH_MAX];
@@ -29,7 +29,7 @@ static unsigned int noticeMsgTime = 0;
 int reset_timing = 0; // do we need this?
 
 
-static void blit(const char *fps, const char *notice);
+static void blit2(const char *fps, const char *notice);
 static void clearArea(int full);
 
 void emu_noticeMsgUpdated(void)
@@ -42,24 +42,31 @@ void emu_getMainDir(char *dst, int len)
        if (len > 0) *dst = 0;
 }
 
-static void emu_msg_cb(const char *msg)
+static void osd_text(int x, const char *text, int is_active)
 {
-       void *fb = psp_video_get_active_fb();
+       unsigned short *screen = is_active ? psp_video_get_active_fb() : psp_screen;
+       int len = 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);
+       }
+       if (is_active) { tmp = psp_screen; psp_screen = screen; } // nasty pointer tricks
+       emu_textOut16(x, 264, text);
+       if (is_active) psp_screen = tmp;
+}
 
-       memset32((int *)((char *)fb + 512*264*2), 0, 512*8*2/4);
-       emu_textOut16(4, 264, msg);
+void emu_msg_cb(const char *msg)
+{
+       osd_text(4, msg, 1);
        noticeMsgTime = sceKernelGetSystemTimeLow() - 2000000;
 
        /* assumption: emu_msg_cb gets called only when something slow is about to happen */
        reset_timing = 1;
 }
 
-void emu_stateCb(const char *str)
-{
-       clearArea(0);
-       blit("", str);
-}
-
 static void emu_msg_tray_open(void)
 {
        strcpy(noticeMsg, "CD tray opened");
@@ -126,15 +133,15 @@ void emu_setDefaultConfig(void)
        currentConfig.KeyBinds[13] = 1<<5;
        currentConfig.KeyBinds[15] = 1<<6;
        currentConfig.KeyBinds[ 3] = 1<<7;
-       currentConfig.KeyBinds[23] = 1<<26; // switch rend
        currentConfig.KeyBinds[ 8] = 1<<27; // save state
        currentConfig.KeyBinds[ 9] = 1<<28; // load state
        currentConfig.PicoCDBuffers = 0;
-       currentConfig.scaling = 0;
+       currentConfig.scaling = 1; // bilinear filtering for psp
+       currentConfig.scale = currentConfig.hscale32 = currentConfig.hscale40 = 1.0;
 }
 
 
-static unsigned short __attribute__((aligned(16))) localPal[0x100];
+extern void amips_clut(unsigned short *dst, unsigned char *src, unsigned short *pal, int count);
 
 struct Vertex
 {
@@ -142,129 +149,200 @@ struct Vertex
        short x,y,z;
 };
 
-static void EmuScanPrepare(void)
+static struct Vertex __attribute__((aligned(4))) g_vertices[2];
+static unsigned short __attribute__((aligned(16))) localPal[0x100];
+static int dynamic_palette = 0, need_pal_upload = 0, blit_16bit_mode = 0;
+static int fbimg_offs = 0;
+
+static void set_scaling_params(void)
 {
-       HighCol = VRAM_STUFF;
+       int src_width, fbimg_width, fbimg_height, fbimg_xoffs, fbimg_yoffs;
+       g_vertices[0].x = g_vertices[0].y =
+       g_vertices[0].z = g_vertices[1].z = 0;
+
+       fbimg_height = (int)(240.0 * currentConfig.scale + 0.5);
+       if (Pico.video.reg[12] & 1) {
+               fbimg_width = (int)(320.0 * currentConfig.scale * currentConfig.hscale40 + 0.5);
+               src_width = 320;
+       } else {
+               fbimg_width = (int)(256.0 * currentConfig.scale * currentConfig.hscale32 + 0.5);
+               src_width = 256;
+       }
 
-#if 0
-       sceGuSync(0,0); // sync with prev
-       sceGuStart(GU_DIRECT, guCmdList);
-//     sceGuDispBuffer(480, 272, psp_screen == VRAM_FB0 ? VRAMOFFS_FB1 : VRAMOFFS_FB0, 512);
-       sceGuDrawBuffer(GU_PSM_5650, psp_screen == VRAM_FB0 ? VRAMOFFS_FB0 : VRAMOFFS_FB1, 512); // point to back fb?
-       sceGuFinish();
-#endif
+       if (fbimg_width >= 480) {
+               g_vertices[0].u = (fbimg_width-480)/2;
+               g_vertices[1].u = src_width - (fbimg_width-480)/2;
+               fbimg_width = 480;
+               fbimg_xoffs = 0;
+       } else {
+               g_vertices[0].u = 0;
+               g_vertices[1].u = src_width;
+               fbimg_xoffs = 240 - fbimg_width/2;
+       }
+
+       if (fbimg_height >= 272) {
+               g_vertices[0].v = (fbimg_height-272)/2;
+               g_vertices[1].v = 240 - (fbimg_height-272)/2;
+               fbimg_height = 272;
+               fbimg_yoffs = 0;
+       } else {
+               g_vertices[0].v = 0;
+               g_vertices[1].v = 240;
+               fbimg_yoffs = 136 - fbimg_height/2;
+       }
+
+       g_vertices[1].x = fbimg_width;
+       g_vertices[1].y = fbimg_height;
+       if (fbimg_xoffs < 0) fbimg_xoffs = 0;
+       if (fbimg_yoffs < 0) fbimg_yoffs = 0;
+       fbimg_offs = (fbimg_yoffs*512 + fbimg_xoffs) * 2; // dst is always 16bit
+
+       lprintf("set_scaling_params:\n");
+       lprintf("offs: %i, %i\n", fbimg_xoffs, fbimg_yoffs);
+       lprintf("xy0, xy1: %i, %i; %i, %i\n", g_vertices[0].x, g_vertices[0].y, g_vertices[1].x, g_vertices[1].y);
+       lprintf("uv0, uv1: %i, %i; %i, %i\n", g_vertices[0].u, g_vertices[0].v, g_vertices[1].u, g_vertices[1].v);
 }
 
-static int EmuScan16(unsigned int num, void *sdata)
+static void do_slowmode_pal(void)
 {
-//     struct Vertex* vertices;
-
-       if (!(Pico.video.reg[1]&8)) num += 8;
-       //DrawLineDest = (unsigned short *) psp_screen + 512*(num+1);
-       HighCol = (unsigned char *)psp_screen + num*512;
+       unsigned int *spal=(void *)Pico.cram;
+       unsigned int *dpal=(void *)localPal;
+       int i;
 
-#if 0
-       sceGuSync(0,0); // sync with prev
-       sceGuStart(GU_DIRECT, guCmdList);
+       for (i = 0x3f/2; i >= 0; i--)
+               dpal[i] = ((spal[i]&0x000f000f)<< 1)|((spal[i]&0x00f000f0)<<3)|((spal[i]&0x0f000f00)<<4);
 
-       if (Pico.m.dirtyPal) {
-               int i, *dpal = (void *)localPal, *spal = (int *)Pico.cram;
-               Pico.m.dirtyPal = 0;
+       if (Pico.video.reg[0xC]&8) // shadow/hilight?
+       {
+               // shadowed pixels
                for (i = 0x3f/2; i >= 0; i--)
-                       dpal[i] = ((spal[i]&0x000f000f)<< 1)|((spal[i]&0x00f000f0)<<3)|((spal[i]&0x0f000f00)<<4);
-
-               sceGuClutLoad((256/8), localPal); // upload 32*8 entries (256)
+                       dpal[0x20|i] = dpal[0x60|i] = (spal[i]>>1)&0x738e738e;
+               // 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;
+                       localPal[0x80|i]=(unsigned short)t;
+               }
+               localPal[0xe0] = 0;
        }
+       Pico.m.dirtyPal = 0;
+       need_pal_upload = 1;
+}
 
-       // setup CLUT texture
+static void do_slowmode_lines(int line_to)
+{
+       int line = 0, line_len = (Pico.video.reg[12]&1) ? 320 : 256;
+       unsigned short *dst = (unsigned short *)VRAM_STUFF + 512*240/2;
+       unsigned char  *src = (unsigned char  *)VRAM_CACHED_STUFF + 16;
+       if (!(Pico.video.reg[1]&8)) { line = 8; dst += 512*8; src += 512*8; }
 
-//     sceGuClutMode(GU_PSM_5650,0,0xff,0);
-//     sceGuClutLoad((256/8), localPal); // upload 32*8 entries (256)
-//     sceGuTexMode(GU_PSM_T8,0,0,0); // 8-bit image
-//     sceGuTexImage(0,512,1/*512*/,512,VRAM_STUFF);
-//     sceGuTexFunc(GU_TFX_REPLACE,GU_TCC_RGB);
-//     sceGuTexFilter(GU_LINEAR,GU_LINEAR);
-//     sceGuTexScale(1.0f,1.0f);
-//     sceGuTexOffset(0.0f,0.0f);
-//     sceGuAmbientColor(0xffffffff);
+       for (; line < line_to; line++, dst+=512, src+=512)
+               amips_clut(dst, src, localPal, line_len);
+}
 
-       // render sprite
+static void EmuScanPrepare(void)
+{
+       HighCol = (unsigned char *)VRAM_CACHED_STUFF + 8;
+       if (!(Pico.video.reg[1]&8)) HighCol += 8*512;
 
-//     sceGuColor(0xffffffff);
-       vertices = (struct Vertex*)sceGuGetMemory(2 * sizeof(struct Vertex));
-       vertices[0].u = 0; vertices[0].v = 0;
-       vertices[0].x = 0; vertices[0].y = num; vertices[0].z = 0;
-       vertices[1].u = 320; vertices[1].v = 512;
-       vertices[1].x = 320; vertices[1].y = num+1; vertices[1].z = 0;
-       //sceGuDrawArray(GU_SPRITES,GU_TEXTURE_16BIT|GU_VERTEX_16BIT|GU_TRANSFORM_2D,2,0,vertices);
+       dynamic_palette = 0;
+       if (Pico.m.dirtyPal)
+               do_slowmode_pal();
+}
+
+static int EmuScanSlow(unsigned int num, void *sdata)
+{
+       if (!(Pico.video.reg[1]&8)) num += 8;
+
+       if (Pico.m.dirtyPal) {
+               if (!dynamic_palette) {
+                       do_slowmode_lines(num);
+                       dynamic_palette = 1;
+               }
+               do_slowmode_pal();
+       }
+
+       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;
 
-       sceGuFinish();
-#endif
        return 0;
 }
 
-
-static void draw2_clut(void)
+static void blitscreen_clut(void)
 {
-       struct Vertex* vertices;
-       int x;
+       int offs = fbimg_offs;
+       offs += (psp_screen == VRAM_FB0) ? VRAMOFFS_FB0 : VRAMOFFS_FB1;
 
-       sceKernelDcacheWritebackAll(); // for PicoDraw2FB
+       sceKernelDcacheWritebackAll();
 
        sceGuSync(0,0); // sync with prev
        sceGuStart(GU_DIRECT, guCmdList);
-//     sceGuDispBuffer(480, 272, psp_screen == VRAM_FB0 ? VRAMOFFS_FB1 : VRAMOFFS_FB0, 512);
-       sceGuDrawBuffer(GU_PSM_5650, psp_screen == VRAM_FB0 ? VRAMOFFS_FB0 : VRAMOFFS_FB1, 512); // point to back fb?
+       sceGuDrawBuffer(GU_PSM_5650, (void *)offs, 512); // point to back buffer
 
-       if (Pico.m.dirtyPal) {
-               int i, *dpal = (void *)localPal, *spal = (int *)Pico.cram;
-               Pico.m.dirtyPal = 0;
-               for (i = 0x3f/2; i >= 0; i--)
-                       dpal[i] = ((spal[i]&0x000f000f)<< 1)|((spal[i]&0x00f000f0)<<3)|((spal[i]&0x0f000f00)<<4);
+       if (dynamic_palette)
+       {
+               if (!blit_16bit_mode) {
+                       sceGuTexMode(GU_PSM_5650, 0, 0, 0);
+                       sceGuTexImage(0,512,512,512,(char *)VRAM_STUFF + 512*240);
 
-               sceGuClutLoad((256/8), localPal); // upload 32*8 entries (256)
+                       blit_16bit_mode = 1;
+               }
        }
-
-       #define SLICE_WIDTH 32
-
-       for (x = 0; x < 320; x += SLICE_WIDTH)
+       else
        {
-               // render sprite
-               vertices = (struct Vertex*)sceGuGetMemory(2 * sizeof(struct Vertex));
-               vertices[0].u = vertices[0].x = x;
-               vertices[0].v = vertices[0].y = 0;
-               vertices[0].z = 0;
-               vertices[1].u = vertices[1].x = x + SLICE_WIDTH;
-               vertices[1].v = vertices[1].y = 224;
-               vertices[1].z = 0;
-               sceGuDrawArray(GU_SPRITES,GU_TEXTURE_16BIT|GU_VERTEX_16BIT|GU_TRANSFORM_2D,2,0,vertices);
-       }
-
-       sceGuFinish();
-}
-
+               if (blit_16bit_mode) {
+                       sceGuClutMode(GU_PSM_5650,0,0xff,0);
+                       sceGuTexMode(GU_PSM_T8,0,0,0); // 8-bit image
+                       sceGuTexImage(0,512,512,512,(char *)VRAM_STUFF + 16);
+                       blit_16bit_mode = 0;
+               }
 
+               if ((PicoOpt&0x10) && Pico.m.dirtyPal)
+               {
+                       int i, *dpal = (void *)localPal, *spal = (int *)Pico.cram;
+                       for (i = 0x3f/2; i >= 0; i--)
+                               dpal[i] = ((spal[i]&0x000f000f)<< 1)|((spal[i]&0x00f000f0)<<3)|((spal[i]&0x0f000f00)<<4);
+                       localPal[0xe0] = 0;
+                       Pico.m.dirtyPal = 0;
+                       need_pal_upload = 1;
+               }
 
-static int EmuScan8(unsigned int num, void *sdata)
-{
-       // draw like the fast renderer
-       // TODO?
-       //if (!(Pico.video.reg[1]&8)) num += 8;
-       //HighCol = gfx_buffer + 328*(num+1);
+               if (need_pal_upload) {
+                       need_pal_upload = 0;
+                       sceGuClutLoad((256/8), localPal); // upload 32*8 entries (256)
+               }
+       }
 
-       return 0;
-}
+#if 1
+       if (g_vertices[0].u == 0 && g_vertices[1].u == g_vertices[1].x)
+       {
+               struct Vertex* vertices;
+               int x;
 
-static void osd_text(int x, const char *text)
-{
-       int len = strlen(text) * 8 / 2;
-       int *p, h;
-       for (h = 0; h < 8; h++) {
-               p = (int *) ((unsigned short *) psp_screen+x+512*(264+h));
-               p = (int *) ((int)p & ~3); // align
-               memset32(p, 0, len);
+               #define SLICE_WIDTH 32
+               for (x = 0; x < g_vertices[1].x; x += SLICE_WIDTH)
+               {
+                       // render sprite
+                       vertices = (struct Vertex*)sceGuGetMemory(2 * sizeof(struct Vertex));
+                       memcpy(vertices, g_vertices, 2 * sizeof(struct Vertex));
+                       vertices[0].u = vertices[0].x = x;
+                       vertices[1].u = vertices[1].x = x + SLICE_WIDTH;
+                       sceGuDrawArray(GU_SPRITES,GU_TEXTURE_16BIT|GU_VERTEX_16BIT|GU_TRANSFORM_2D,2,0,vertices);
+               }
+               // lprintf("listlen: %iB\n", sceGuCheckList()); // ~480 only
        }
-       emu_textOut16(x, 264, text);
+       else
+#endif
+               sceGuDrawArray(GU_SPRITES,GU_TEXTURE_16BIT|GU_VERTEX_16BIT|GU_TRANSFORM_2D,2,0,g_vertices);
+
+       sceGuFinish();
 }
 
 
@@ -285,75 +363,56 @@ static void cd_leds(void)
 }
 
 
-static void blit(const char *fps, const char *notice)
+static void dbg_text(void)
 {
-       int emu_opt = currentConfig.EmuOpt;
+       int *p, h, len;
+       char text[128];
 
-       if (PicoOpt&0x10)
-       {
-#if 1
-               draw2_clut();
-#else
-               extern void amips_clut(unsigned short *dst, unsigned char *src, unsigned short *pal, int count);
-               int i; // , lines_flags = 224;
-               unsigned short *pd = psp_screen;
-               unsigned char  *ps = PicoDraw2FB+328*8+8;
-               // 8bit fast renderer
-               if (Pico.m.dirtyPal) {
-                       int *dpal = (void *)localPal;
-                       int *spal = (int *)Pico.cram;
-                       Pico.m.dirtyPal = 0;
-                       for (i = 0x3f/2; i >= 0; i--)
-                               dpal[i] = ((spal[i]&0x000f000f)<< 1)|((spal[i]&0x00f000f0)<<3)|((spal[i]&0x0f000f00)<<4);
-               }
-               // if (!(Pico.video.reg[12]&1)) lines_flags|=0x10000;
-               // if (currentConfig.EmuOpt&0x4000)
-               //      lines_flags|=0x40000; // (Pico.m.frame_count&1)?0x20000:0x40000;
-               //vidCpy8to16((unsigned short *)giz_screen+321*8, PicoDraw2FB+328*8, localPal, lines_flags);
-               for (i = 224; i > 0; i--, pd+=512, ps+=328)
-                       amips_clut(pd, ps, localPal, 320);
-#endif
+       sprintf(text, "sl: %i, 16b: %i", g_vertices[0].u == 0 && g_vertices[1].u == g_vertices[1].x, blit_16bit_mode);
+       len = strlen(text) * 8 / 2;
+       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);
        }
-#if 0
-       else if (!(emu_opt&0x80))
+       emu_textOut16(2, 256, text);
+}
+
+
+/* called after rendering is done, but frame emulation is not finished */
+void blit1(void)
+{
+       if (PicoOpt&0x10)
        {
-               int lines_flags;
-               // 8bit accurate renderer
-               if (Pico.m.dirtyPal) {
-                       Pico.m.dirtyPal = 0;
-                       vidConvCpyRGB565(localPal, Pico.cram, 0x40);
-                       if (Pico.video.reg[0xC]&8) { // shadow/hilight mode
-                               //vidConvCpyRGB32sh(localPal+0x40, Pico.cram, 0x40);
-                               //vidConvCpyRGB32hi(localPal+0x80, Pico.cram, 0x40); // TODO?
-                               blockcpy(localPal+0xc0, localPal+0x40, 0x40*2);
-                               localPal[0xc0] = 0x0600;
-                               localPal[0xd0] = 0xc000;
-                               localPal[0xe0] = 0x0000; // reserved pixels for OSD
-                               localPal[0xf0] = 0xffff;
-                       }
-                       /* no support
-                       else if (rendstatus & 0x20) { // mid-frame palette changes
-                               vidConvCpyRGB565(localPal+0x40, HighPal, 0x40);
-                               vidConvCpyRGB565(localPal+0x80, HighPal+0x40, 0x40);
-                       } */
-               }
-               lines_flags = (Pico.video.reg[1]&8) ? 240 : 224;
-               if (!(Pico.video.reg[12]&1)) lines_flags|=0x10000;
-               if (currentConfig.EmuOpt&0x4000)
-                       lines_flags|=0x40000; // (Pico.m.frame_count&1)?0x20000:0x40000;
-               vidCpy8to16((unsigned short *)giz_screen+321*8, PicoDraw2FB+328*8, localPal, lines_flags);
+               int i;
+               unsigned char *pd;
+               // clear top and bottom trash
+               for (pd = PicoDraw2FB+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)
+                       memset32((int *)pd, 0xe0e0e0e0, 320/4);
        }
-#endif
+
+       blitscreen_clut();
+}
+
+
+static void blit2(const char *fps, const char *notice)
+{
+       int emu_opt = currentConfig.EmuOpt;
+
+       sceGuSync(0,0);
 
        if (notice || (emu_opt & 2)) {
-               if (notice)      osd_text(4, notice);
-               if (emu_opt & 2) osd_text(OSD_FPS_X, fps);
+               if (notice)      osd_text(4, notice, 0);
+               if (emu_opt & 2) osd_text(OSD_FPS_X, fps, 0);
        }
 
+       dbg_text();
+
        if ((emu_opt & 0x400) && (PicoMCD & 1))
                cd_leds();
 
-       sceGuSync(0,0);
        psp_video_flip(0);
 }
 
@@ -364,6 +423,8 @@ static void clearArea(int full)
                memset32(psp_screen, 0, 512*272*2/4);
                psp_video_flip(0);
                memset32(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);
@@ -378,43 +439,29 @@ static void vidResetMode(void)
        sceGuStart(GU_DIRECT, guCmdList);
 
        sceGuClutMode(GU_PSM_5650,0,0xff,0);
-       //sceGuClutLoad((256/8), localPal); // upload 32*8 entries (256)
        sceGuTexMode(GU_PSM_T8,0,0,0); // 8-bit image
        sceGuTexFunc(GU_TFX_REPLACE,GU_TCC_RGB);
-       sceGuTexFilter(GU_LINEAR,GU_LINEAR);
+       if (currentConfig.scaling)
+            sceGuTexFilter(GU_LINEAR, GU_LINEAR);
+       else sceGuTexFilter(GU_NEAREST, GU_NEAREST);
        sceGuTexScale(1.0f,1.0f);
        sceGuTexOffset(0.0f,0.0f);
-       sceGuAmbientColor(0xffffffff);
-       sceGuColor(0xffffffff);
-
 
-       if (PicoOpt&0x10) {
-               sceGuTexImage(0,512,512,512,(char *)VRAM_STUFF + 8*512+16);
+       sceGuTexImage(0,512,512,512,(char *)VRAM_STUFF + 16);
 
-       } else if (currentConfig.EmuOpt&0x80) {
-               PicoDrawSetColorFormat(/*1*/-1);
-               PicoScan = EmuScan16;
+       // slow rend.
+       PicoDrawSetColorFormat(-1);
+       PicoScan = EmuScanSlow;
 
-               sceGuTexImage(0,512,1/*512*/,512,VRAM_STUFF);
-
-       } else {
-               PicoDrawSetColorFormat(-1);
-               PicoScan = EmuScan8;
-       }
-       if ((PicoOpt&0x10) || !(currentConfig.EmuOpt&0x80)) {
-               // setup pal for 8-bit modes
-               localPal[0xc0] = 0x0600;
-               localPal[0xd0] = 0xc000;
-               localPal[0xe0] = 0x0000; // reserved pixels for OSD
-               localPal[0xf0] = 0xffff;
-       }
+       localPal[0xe0] = 0;
        Pico.m.dirtyPal = 1;
+       blit_16bit_mode = dynamic_palette = 0;
 
        sceGuFinish();
+       set_scaling_params();
        sceGuSync(0,0);
-
-       clearArea(1);
 }
+
 /*
 static void updateSound(int len)
 {
@@ -440,11 +487,16 @@ void emu_forcedFrame(void)
        PicoOpt |=  0x4080; // soft_scale | acc_sprites
        currentConfig.EmuOpt |= 0x80;
 
-       PicoDrawSetColorFormat(1);
-       PicoScan = EmuScan16;
+       vidResetMode();
+       memset32(VRAM_CACHED_STUFF, 0xe0e0e0e0, 512*8/4); // borders
+       memset32((int *)VRAM_CACHED_STUFF + 512*232/4, 0xe0e0e0e0, 512*8/4);
+
+       PicoDrawSetColorFormat(-1);
+       PicoScan = EmuScanSlow;
        EmuScanPrepare();
-       Pico.m.dirtyPal = 1;
        PicoFrameDrawOnly();
+       blit1();
+       sceGuSync(0,0);
 
        PicoOpt = po_old;
        currentConfig.EmuOpt = eo_old;
@@ -462,7 +514,7 @@ static void RunEvents(unsigned int which)
                                 (!(which & 0x1000) && (currentConfig.EmuOpt & 0x200))) ) // save
                {
                        int keys;
-                       blit("", (which & 0x1000) ? "LOAD STATE? (X=yes, O=no)" : "OVERWRITE SAVE? (X=yes, O=no)");
+                       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)) )
                                psp_msleep(50);
                        if (keys & BTN_CIRCLE) do_it = 0;
@@ -473,8 +525,8 @@ static void RunEvents(unsigned int which)
 
                if (do_it)
                {
-                       osd_text(4, (which & 0x1000) ? "LOADING GAME" : "SAVING GAME");
-                       PicoStateProgressCB = emu_stateCb;
+                       osd_text(4, (which & 0x1000) ? "LOADING GAME" : "SAVING GAME", 1);
+                       PicoStateProgressCB = emu_msg_cb;
                        emu_SaveLoadGame((which & 0x1000) >> 12, 0);
                        PicoStateProgressCB = NULL;
                        psp_msleep(0);
@@ -644,6 +696,7 @@ void emu_Loop(void)
 
        // make sure we are in correct mode
        vidResetMode();
+       clearArea(1);
        Pico.m.dirtyPal = 1;
        oldmodes = ((Pico.video.reg[12]&1)<<2) ^ 0xc;
        find_combos();
@@ -721,6 +774,7 @@ void emu_Loop(void)
                if (modes != oldmodes) {
                        oldmodes = modes;
                        clearArea(1);
+                       set_scaling_params();
                }
 
                // second passed?
@@ -798,7 +852,7 @@ void emu_Loop(void)
 
                PicoFrame();
 
-               blit(fpsbuff, notice);
+               blit2(fpsbuff, notice);
 
                // check time
                tval = sceKernelGetSystemTimeLow();
@@ -829,7 +883,7 @@ void emu_Loop(void)
 */
        // save SRAM
        if ((currentConfig.EmuOpt & 1) && SRam.changed) {
-               emu_stateCb("Writing SRAM/BRAM..");
+               emu_msg_cb("Writing SRAM/BRAM..");
                emu_SaveLoadGame(0, 1);
                SRam.changed = 0;
        }