1.30 release
[picodrive.git] / platform / gp2x / menu.c
index 16c9ab5..47b91b1 100644 (file)
 #include "gp2x.h"\r
 #include "emu.h"\r
 #include "menu.h"\r
+#include "fonts.h"\r
 #include "usbjoy.h"\r
 #include "version.h"\r
 \r
-#include "Pico/PicoInt.h"\r
+#include <Pico/PicoInt.h>\r
+#include <Pico/Patch.h>\r
+#include <zlib/zlib.h>\r
 \r
 #ifndef _DIRENT_HAVE_D_TYPE\r
 #error "need d_type for file browser\r
@@ -38,75 +41,7 @@ static char *gp2xKeyNames[] = {
 char menuErrorMsg[40] = {0, };\r
 \r
 \r
-static unsigned char fontdata8x8[] =\r
-{\r
-       0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,\r
-       0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,\r
-       0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,\r
-       0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,\r
-       0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,\r
-       0x3C,0x42,0x99,0xBD,0xBD,0x99,0x42,0x3C,0x3C,0x42,0x81,0x81,0x81,0x81,0x42,0x3C,\r
-       0xFE,0x82,0x8A,0xD2,0xA2,0x82,0xFE,0x00,0xFE,0x82,0x82,0x82,0x82,0x82,0xFE,0x00,\r
-       0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x38,0x64,0x74,0x7C,0x38,0x00,0x00,\r
-       0x80,0xC0,0xF0,0xFC,0xF0,0xC0,0x80,0x00,0x01,0x03,0x0F,0x3F,0x0F,0x03,0x01,0x00,\r
-       0x18,0x3C,0x7E,0x18,0x7E,0x3C,0x18,0x00,0xEE,0xEE,0xEE,0xCC,0x00,0xCC,0xCC,0x00,\r
-       0x00,0x00,0x30,0x68,0x78,0x30,0x00,0x00,0x00,0x38,0x64,0x74,0x7C,0x38,0x00,0x00,\r
-       0x3C,0x66,0x7A,0x7A,0x7E,0x7E,0x3C,0x00,0x0E,0x3E,0x3A,0x22,0x26,0x6E,0xE4,0x40,\r
-       0x18,0x3C,0x7E,0x3C,0x3C,0x3C,0x3C,0x00,0x3C,0x3C,0x3C,0x3C,0x7E,0x3C,0x18,0x00,\r
-       0x08,0x7C,0x7E,0x7E,0x7C,0x08,0x00,0x00,0x10,0x3E,0x7E,0x7E,0x3E,0x10,0x00,0x00,\r
-       0x58,0x2A,0xDC,0xC8,0xDC,0x2A,0x58,0x00,0x24,0x66,0xFF,0xFF,0x66,0x24,0x00,0x00,\r
-       0x00,0x10,0x10,0x38,0x38,0x7C,0xFE,0x00,0xFE,0x7C,0x38,0x38,0x10,0x10,0x00,0x00,\r
-       0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x1C,0x1C,0x1C,0x18,0x00,0x18,0x18,0x00,\r
-       0x6C,0x6C,0x24,0x00,0x00,0x00,0x00,0x00,0x00,0x28,0x7C,0x28,0x7C,0x28,0x00,0x00,\r
-       0x10,0x38,0x60,0x38,0x0C,0x78,0x10,0x00,0x40,0xA4,0x48,0x10,0x24,0x4A,0x04,0x00,\r
-       0x18,0x34,0x18,0x3A,0x6C,0x66,0x3A,0x00,0x18,0x18,0x20,0x00,0x00,0x00,0x00,0x00,\r
-       0x30,0x60,0x60,0x60,0x60,0x60,0x30,0x00,0x0C,0x06,0x06,0x06,0x06,0x06,0x0C,0x00,\r
-       0x10,0x54,0x38,0x7C,0x38,0x54,0x10,0x00,0x00,0x18,0x18,0x7E,0x18,0x18,0x00,0x00,\r
-       0x00,0x00,0x00,0x00,0x18,0x18,0x30,0x00,0x00,0x00,0x00,0x00,0x3E,0x00,0x00,0x00,\r
-       0x00,0x00,0x00,0x00,0x18,0x18,0x00,0x00,0x00,0x04,0x08,0x10,0x20,0x40,0x00,0x00,\r
-       0x38,0x4C,0xC6,0xC6,0xC6,0x64,0x38,0x00,0x18,0x38,0x18,0x18,0x18,0x18,0x7E,0x00,\r
-       0x7C,0xC6,0x0E,0x3C,0x78,0xE0,0xFE,0x00,0x7E,0x0C,0x18,0x3C,0x06,0xC6,0x7C,0x00,\r
-       0x1C,0x3C,0x6C,0xCC,0xFE,0x0C,0x0C,0x00,0xFC,0xC0,0xFC,0x06,0x06,0xC6,0x7C,0x00,\r
-       0x3C,0x60,0xC0,0xFC,0xC6,0xC6,0x7C,0x00,0xFE,0xC6,0x0C,0x18,0x30,0x30,0x30,0x00,\r
-       0x78,0xC4,0xE4,0x78,0x86,0x86,0x7C,0x00,0x7C,0xC6,0xC6,0x7E,0x06,0x0C,0x78,0x00,\r
-       0x00,0x00,0x18,0x00,0x00,0x18,0x00,0x00,0x00,0x00,0x18,0x00,0x00,0x18,0x18,0x30,\r
-       0x1C,0x38,0x70,0xE0,0x70,0x38,0x1C,0x00,0x00,0x7C,0x00,0x00,0x7C,0x00,0x00,0x00,\r
-       0x70,0x38,0x1C,0x0E,0x1C,0x38,0x70,0x00,0x7C,0xC6,0xC6,0x1C,0x18,0x00,0x18,0x00,\r
-       0x3C,0x42,0x99,0xA1,0xA5,0x99,0x42,0x3C,0x38,0x6C,0xC6,0xC6,0xFE,0xC6,0xC6,0x00,\r
-       0xFC,0xC6,0xC6,0xFC,0xC6,0xC6,0xFC,0x00,0x3C,0x66,0xC0,0xC0,0xC0,0x66,0x3C,0x00,\r
-       0xF8,0xCC,0xC6,0xC6,0xC6,0xCC,0xF8,0x00,0xFE,0xC0,0xC0,0xFC,0xC0,0xC0,0xFE,0x00,\r
-       0xFE,0xC0,0xC0,0xFC,0xC0,0xC0,0xC0,0x00,0x3E,0x60,0xC0,0xCE,0xC6,0x66,0x3E,0x00,\r
-       0xC6,0xC6,0xC6,0xFE,0xC6,0xC6,0xC6,0x00,0x7E,0x18,0x18,0x18,0x18,0x18,0x7E,0x00,\r
-       0x06,0x06,0x06,0x06,0xC6,0xC6,0x7C,0x00,0xC6,0xCC,0xD8,0xF0,0xF8,0xDC,0xCE,0x00,\r
-       0x60,0x60,0x60,0x60,0x60,0x60,0x7E,0x00,0xC6,0xEE,0xFE,0xFE,0xD6,0xC6,0xC6,0x00,\r
-       0xC6,0xE6,0xF6,0xFE,0xDE,0xCE,0xC6,0x00,0x7C,0xC6,0xC6,0xC6,0xC6,0xC6,0x7C,0x00,\r
-       0xFC,0xC6,0xC6,0xC6,0xFC,0xC0,0xC0,0x00,0x7C,0xC6,0xC6,0xC6,0xDE,0xCC,0x7A,0x00,\r
-       0xFC,0xC6,0xC6,0xCE,0xF8,0xDC,0xCE,0x00,0x78,0xCC,0xC0,0x7C,0x06,0xC6,0x7C,0x00,\r
-       0x7E,0x18,0x18,0x18,0x18,0x18,0x18,0x00,0xC6,0xC6,0xC6,0xC6,0xC6,0xC6,0x7C,0x00,\r
-       0xC6,0xC6,0xC6,0xEE,0x7C,0x38,0x10,0x00,0xC6,0xC6,0xD6,0xFE,0xFE,0xEE,0xC6,0x00,\r
-       0xC6,0xEE,0x3C,0x38,0x7C,0xEE,0xC6,0x00,0x66,0x66,0x66,0x3C,0x18,0x18,0x18,0x00,\r
-       0xFE,0x0E,0x1C,0x38,0x70,0xE0,0xFE,0x00,0x3C,0x30,0x30,0x30,0x30,0x30,0x3C,0x00,\r
-       0x60,0x60,0x30,0x18,0x0C,0x06,0x06,0x00,0x3C,0x0C,0x0C,0x0C,0x0C,0x0C,0x3C,0x00,\r
-       0x18,0x3C,0x66,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFF,\r
-       0x30,0x30,0x18,0x00,0x00,0x00,0x00,0x00,0x00,0x3C,0x06,0x3E,0x66,0x66,0x3C,0x00,\r
-       0x60,0x7C,0x66,0x66,0x66,0x66,0x7C,0x00,0x00,0x3C,0x66,0x60,0x60,0x66,0x3C,0x00,\r
-       0x06,0x3E,0x66,0x66,0x66,0x66,0x3E,0x00,0x00,0x3C,0x66,0x66,0x7E,0x60,0x3C,0x00,\r
-       0x1C,0x30,0x78,0x30,0x30,0x30,0x30,0x00,0x00,0x3E,0x66,0x66,0x66,0x3E,0x06,0x3C,\r
-       0x60,0x7C,0x76,0x66,0x66,0x66,0x66,0x00,0x18,0x00,0x38,0x18,0x18,0x18,0x18,0x00,\r
-       0x0C,0x00,0x1C,0x0C,0x0C,0x0C,0x0C,0x38,0x60,0x60,0x66,0x6C,0x78,0x6C,0x66,0x00,\r
-       0x38,0x18,0x18,0x18,0x18,0x18,0x18,0x00,0x00,0xEC,0xFE,0xFE,0xFE,0xD6,0xC6,0x00,\r
-       0x00,0x7C,0x76,0x66,0x66,0x66,0x66,0x00,0x00,0x3C,0x66,0x66,0x66,0x66,0x3C,0x00,\r
-       0x00,0x7C,0x66,0x66,0x66,0x7C,0x60,0x60,0x00,0x3E,0x66,0x66,0x66,0x3E,0x06,0x06,\r
-       0x00,0x7E,0x70,0x60,0x60,0x60,0x60,0x00,0x00,0x3C,0x60,0x3C,0x06,0x66,0x3C,0x00,\r
-       0x30,0x78,0x30,0x30,0x30,0x30,0x1C,0x00,0x00,0x66,0x66,0x66,0x66,0x6E,0x3E,0x00,\r
-       0x00,0x66,0x66,0x66,0x66,0x3C,0x18,0x00,0x00,0xC6,0xD6,0xFE,0xFE,0x7C,0x6C,0x00,\r
-       0x00,0x66,0x3C,0x18,0x3C,0x66,0x66,0x00,0x00,0x66,0x66,0x66,0x66,0x3E,0x06,0x3C,\r
-       0x00,0x7E,0x0C,0x18,0x30,0x60,0x7E,0x00,0x0E,0x18,0x0C,0x38,0x0C,0x18,0x0E,0x00,\r
-       0x18,0x18,0x18,0x00,0x18,0x18,0x18,0x00,0x70,0x18,0x30,0x1C,0x30,0x18,0x70,0x00,\r
-       0x00,0x00,0x76,0xDC,0x00,0x00,0x00,0x00,0x10,0x28,0x10,0x54,0xAA,0x44,0x00,0x00,\r
-};\r
-\r
-static void gp2x_text(unsigned char *screen, int x, int y, char *text, int color)\r
+static void gp2x_text(unsigned char *screen, int x, int y, const char *text, int color)\r
 {\r
        int i,l;\r
 \r
@@ -130,7 +65,7 @@ static void gp2x_text(unsigned char *screen, int x, int y, char *text, int color
 }\r
 \r
 // draws white text to current bbp15 screen\r
-void gp2x_text_out15(int x, int y, char *text)\r
+void gp2x_text_out15(int x, int y, const char *text)\r
 {\r
        int i,l;\r
        unsigned short *screen = gp2x_screen;\r
@@ -155,7 +90,7 @@ void gp2x_text_out15(int x, int y, char *text)
 }\r
 \r
 \r
-void gp2x_text_out8(int x, int y, char *texto, ...)\r
+void gp2x_text_out8(int x, int y, const char *texto, ...)\r
 {\r
        va_list args;\r
        char    buffer[512];\r
@@ -164,16 +99,16 @@ void gp2x_text_out8(int x, int y, char *texto, ...)
        vsprintf(buffer,texto,args);\r
        va_end(args);\r
 \r
-       gp2x_text(gp2x_screen,x,y,buffer,1);\r
+       gp2x_text(gp2x_screen,x,y,buffer,0xf0);\r
 }\r
 \r
 \r
-void gp2x_text_out8_2(int x, int y, char *texto, int color)\r
+void gp2x_text_out8_2(int x, int y, const char *texto, int color)\r
 {\r
        gp2x_text(gp2x_screen, x, y, texto, color);\r
 }\r
 \r
-void gp2x_text_out8_lim(int x, int y, char *texto, int max)\r
+void gp2x_text_out8_lim(int x, int y, const char *texto, int max)\r
 {\r
        char    buffer[320/8+1];\r
 \r
@@ -182,7 +117,50 @@ void gp2x_text_out8_lim(int x, int y, char *texto, int max)
        if (max < 0) max = 0;\r
        buffer[max] = 0;\r
 \r
-       gp2x_text(gp2x_screen,x,y,buffer,1);\r
+       gp2x_text(gp2x_screen,x,y,buffer,0xf0);\r
+}\r
+\r
+static void gp2x_smalltext8(int x, int y, const char *texto)\r
+{\r
+       int i;\r
+       unsigned char *src, *dst;\r
+\r
+       for (i = 0;; i++, x += 6)\r
+       {\r
+               unsigned char c = (unsigned char) texto[i];\r
+               int h = 8;\r
+\r
+               if (!c) break;\r
+\r
+               src = fontdata6x8[c];\r
+               dst = (unsigned char *)gp2x_screen + x + y*320;\r
+\r
+               while (h--)\r
+               {\r
+                       int w = 0x20;\r
+                       while (w)\r
+                       {\r
+                               if( *src & w ) *dst = 0xf0;\r
+                               dst++;\r
+                               w>>=1;\r
+                       }\r
+                       src++;\r
+\r
+                       dst += 320-6;\r
+               }\r
+       }\r
+}\r
+\r
+static void gp2x_smalltext8_lim(int x, int y, const char *texto, int max)\r
+{\r
+       char    buffer[320/6+1];\r
+\r
+       strncpy(buffer, texto, 320/6);\r
+       if (max > 320/6) max = 320/6;\r
+       if (max < 0) max = 0;\r
+       buffer[max] = 0;\r
+\r
+       gp2x_smalltext8(x, y, buffer);\r
 }\r
 \r
 \r
@@ -279,23 +257,24 @@ static void draw_dirlist(char *curdir, struct dirent **namelist, int n, int sel)
        start = 12 - sel;\r
        n--; // exclude current dir (".")\r
 \r
-       memset(gp2x_screen, 0, 320*240);\r
+       //memset(gp2x_screen, 0, 320*240);\r
+       gp2x_pd_clone_buffer2();\r
 \r
        if(start - 2 >= 0)\r
-               gp2x_text_out8_lim(14, (start - 2)*10, curdir, 38);\r
+               gp2x_smalltext8_lim(14, (start - 2)*10, curdir, 53-2);\r
        for (i = 0; i < n; i++) {\r
                pos = start + i;\r
                if (pos < 0)  continue;\r
                if (pos > 23) break;\r
                if (namelist[i+1]->d_type == DT_DIR) {\r
-                       gp2x_text_out8_lim(14,   pos*10, "/", 1);\r
-                       gp2x_text_out8_lim(14+8, pos*10, namelist[i+1]->d_name, 37);\r
+                       gp2x_smalltext8_lim(14,   pos*10, "/", 1);\r
+                       gp2x_smalltext8_lim(14+6, pos*10, namelist[i+1]->d_name, 53-3);\r
                } else {\r
-                       gp2x_text_out8_lim(14,   pos*10, namelist[i+1]->d_name, 38);\r
+                       gp2x_smalltext8_lim(14,   pos*10, namelist[i+1]->d_name, 53-2);\r
                }\r
        }\r
        gp2x_text_out8(5, 120, ">");\r
-       gp2x_video_flip();\r
+       gp2x_video_flip2();\r
 }\r
 \r
 static int scandir_cmp(const void *p1, const void *p2)\r
@@ -413,6 +392,187 @@ static char *romsel_loop(char *curr_path)
        return ret;\r
 }\r
 \r
+// ------------ patch/gg menu ------------\r
+\r
+static void draw_patchlist(int sel)\r
+{\r
+       int start, i, pos;\r
+\r
+       start = 12 - sel;\r
+\r
+       gp2x_pd_clone_buffer2();\r
+\r
+       for (i = 0; i < PicoPatchCount; i++) {\r
+               pos = start + i;\r
+               if (pos < 0)  continue;\r
+               if (pos > 23) break;\r
+               gp2x_smalltext8_lim(14,     pos*10, PicoPatches[i].active ? "ON " : "OFF", 3);\r
+               gp2x_smalltext8_lim(14+6*4, pos*10, PicoPatches[i].name, 53-6);\r
+       }\r
+       pos = start + i;\r
+       if (pos < 24) gp2x_smalltext8_lim(14, pos*10, "done", 4);\r
+\r
+       gp2x_text_out8(5, 120, ">");\r
+       gp2x_video_flip2();\r
+}\r
+\r
+\r
+void patches_menu_loop(void)\r
+{\r
+       int menu_sel = 0;\r
+       unsigned long inp = 0;\r
+\r
+       for(;;)\r
+       {\r
+               draw_patchlist(menu_sel);\r
+               inp = wait_for_input(GP2X_UP|GP2X_DOWN|GP2X_LEFT|GP2X_RIGHT|GP2X_L|GP2X_R|GP2X_B|GP2X_X);\r
+               if(inp & GP2X_UP  ) { menu_sel--; if (menu_sel < 0) menu_sel = PicoPatchCount; }\r
+               if(inp & GP2X_DOWN) { menu_sel++; if (menu_sel > PicoPatchCount) menu_sel = 0; }\r
+               if(inp &(GP2X_LEFT|GP2X_L))  { menu_sel-=10; if (menu_sel < 0) menu_sel = 0; }\r
+               if(inp &(GP2X_RIGHT|GP2X_R)) { menu_sel+=10; if (menu_sel > PicoPatchCount) menu_sel = PicoPatchCount; }\r
+               if(inp & GP2X_B) { // action\r
+                       if (menu_sel < PicoPatchCount)\r
+                               PicoPatches[menu_sel].active = !PicoPatches[menu_sel].active;\r
+                       else    return;\r
+               }\r
+               if(inp & GP2X_X) return;\r
+       }\r
+\r
+}\r
+\r
+// ------------ savestate loader ------------\r
+\r
+static void menu_prepare_bg(void);\r
+\r
+static int state_slot_flags = 0;\r
+\r
+static void state_check_slots(void)\r
+{\r
+       int slot;\r
+\r
+       state_slot_flags = 0;\r
+\r
+       for (slot = 0; slot < 10; slot++)\r
+       {\r
+               if (emu_check_save_file(slot))\r
+               {\r
+                       state_slot_flags |= 1 << slot;\r
+               }\r
+       }\r
+}\r
+\r
+static void draw_savestate_bg(int slot)\r
+{\r
+       struct PicoVideo tmp_pv;\r
+       unsigned short tmp_cram[0x40];\r
+       unsigned short tmp_vsram[0x40];\r
+       void *tmp_vram, *file;\r
+       char *fname;\r
+\r
+       fname = emu_GetSaveFName(1, 0, slot);\r
+       if (!fname) return;\r
+\r
+       tmp_vram = malloc(sizeof(Pico.vram));\r
+       if (tmp_vram == NULL) return;\r
+\r
+       memcpy(tmp_vram, Pico.vram, sizeof(Pico.vram));\r
+       memcpy(tmp_cram, Pico.cram, sizeof(Pico.cram));\r
+       memcpy(tmp_vsram, Pico.vsram, sizeof(Pico.vsram));\r
+       memcpy(&tmp_pv, &Pico.video, sizeof(Pico.video));\r
+\r
+       if (strcmp(fname + strlen(fname) - 3, ".gz") == 0) {\r
+               file = gzopen(fname, "rb");\r
+               emu_set_save_cbs(1);\r
+       } else {\r
+               file = fopen(fname, "rb");\r
+               emu_set_save_cbs(0);\r
+       }\r
+\r
+       if (file) {\r
+               if (PicoMCD & 1) {\r
+                       PicoCdLoadStateGfx(file);\r
+               } else {\r
+                       areaSeek(file, 0x10020, SEEK_SET);  // skip header and RAM in state file\r
+                       areaRead(Pico.vram, 1, sizeof(Pico.vram), file);\r
+                       areaSeek(file, 0x2000, SEEK_CUR);\r
+                       areaRead(Pico.cram, 1, sizeof(Pico.cram), file);\r
+                       areaRead(Pico.vsram, 1, sizeof(Pico.vsram), file);\r
+                       areaSeek(file, 0x221a0, SEEK_SET);\r
+                       areaRead(&Pico.video, 1, sizeof(Pico.video), file);\r
+               }\r
+               areaClose(file);\r
+       }\r
+\r
+       emu_forced_frame();\r
+       gp2x_memcpy_buffers((1<<2), gp2x_screen, 0, 320*240*2);\r
+       menu_prepare_bg();\r
+\r
+       memcpy(Pico.vram, tmp_vram, sizeof(Pico.vram));\r
+       memcpy(Pico.cram, tmp_cram, sizeof(Pico.cram));\r
+       memcpy(Pico.vsram, tmp_vsram, sizeof(Pico.vsram));\r
+       memcpy(&Pico.video, &tmp_pv,  sizeof(Pico.video));\r
+       free(tmp_vram);\r
+}\r
+\r
+static void draw_savestate_menu(int menu_sel, int is_loading)\r
+{\r
+       int tl_x = 25, tl_y = 60, y, i;\r
+\r
+       if (state_slot_flags & (1 << menu_sel))\r
+               draw_savestate_bg(menu_sel);\r
+       gp2x_pd_clone_buffer2();\r
+\r
+       gp2x_text_out8(tl_x, 30, is_loading ? "Load state" : "Save state");\r
+\r
+       /* draw all 10 slots */\r
+       y = tl_y;\r
+       for (i = 0; i < 10; i++, y+=10)\r
+       {\r
+               gp2x_text_out8(tl_x, y, "SLOT %i (%s)", i, (state_slot_flags & (1 << i)) ? "USED" : "free");\r
+       }\r
+       gp2x_text_out8(tl_x, y, "back");\r
+\r
+       // draw cursor\r
+       gp2x_text_out8(tl_x - 16, tl_y + menu_sel*10, ">");\r
+\r
+       gp2x_video_flip2();\r
+}\r
+\r
+static int savestate_menu_loop(int is_loading)\r
+{\r
+       int menu_sel = 10, menu_sel_max = 10;\r
+       unsigned long inp = 0;\r
+\r
+       state_check_slots();\r
+\r
+       for(;;)\r
+       {\r
+               draw_savestate_menu(menu_sel, is_loading);\r
+               inp = wait_for_input(GP2X_UP|GP2X_DOWN|GP2X_B|GP2X_X);\r
+               if(inp & GP2X_UP  ) {\r
+                       do {\r
+                               menu_sel--; if (menu_sel < 0) menu_sel = menu_sel_max;\r
+                       } while (!(state_slot_flags & (1 << menu_sel)) && menu_sel != menu_sel_max && is_loading);\r
+               }\r
+               if(inp & GP2X_DOWN) {\r
+                       do {\r
+                               menu_sel++; if (menu_sel > menu_sel_max) menu_sel = 0;\r
+                       } while (!(state_slot_flags & (1 << menu_sel)) && menu_sel != menu_sel_max && is_loading);\r
+               }\r
+               if(inp & GP2X_B) { // save/load\r
+                       if (menu_sel < 10) {\r
+                               state_slot = menu_sel;\r
+                               if (emu_SaveLoadGame(is_loading, 0)) {\r
+                                       strcpy(menuErrorMsg, is_loading ? "Load failed" : "Save failed");\r
+                                       return 1;\r
+                               }\r
+                               return 0;\r
+                       } else  return 1;\r
+               }\r
+               if(inp & GP2X_X) return 1;\r
+       }\r
+}\r
+\r
 // -------------- key config --------------\r
 \r
 static char *usb_joy_key_name(int joy, int num)\r
@@ -460,7 +620,8 @@ static void draw_key_config(int curr_act, int is_p2)
                }\r
        }\r
 \r
-       memset(gp2x_screen, 0, 320*240);\r
+       //memset(gp2x_screen, 0, 320*240);\r
+       gp2x_pd_clone_buffer2();\r
        gp2x_text_out8(60, 40, "Action: %s", actionNames[curr_act]);\r
        gp2x_text_out8(60, 60, "Keys: %s", strkeys);\r
 \r
@@ -468,7 +629,7 @@ static void draw_key_config(int curr_act, int is_p2)
        gp2x_text_out8(30, 190, "Press a key to bind/unbind");\r
        gp2x_text_out8(30, 200, "Select \"Done\" action and");\r
        gp2x_text_out8(30, 210, "  press any key to finish");\r
-       gp2x_video_flip();\r
+       gp2x_video_flip2();\r
 }\r
 \r
 static void key_config_loop(int is_p2)\r
@@ -515,7 +676,8 @@ static void draw_kc_sel(int menu_sel)
        char joyname[36];\r
 \r
        y = tl_y;\r
-       memset(gp2x_screen, 0, 320*240);\r
+       //memset(gp2x_screen, 0, 320*240);\r
+       gp2x_pd_clone_buffer2();\r
        gp2x_text_out8(tl_x, y,       "Player 1");\r
        gp2x_text_out8(tl_x, (y+=10), "Player 2");\r
        gp2x_text_out8(tl_x, (y+=10), "Done");\r
@@ -535,7 +697,7 @@ static void draw_kc_sel(int menu_sel)
        }\r
 \r
 \r
-       gp2x_video_flip();\r
+       gp2x_video_flip2();\r
 }\r
 \r
 static void kc_sel_loop(void)\r
@@ -567,14 +729,24 @@ static void kc_sel_loop(void)
 static void draw_cd_menu_options(int menu_sel, char *b_us, char *b_eu, char *b_jp)\r
 {\r
        int tl_x = 25, tl_y = 60, y;\r
+       char ra_buff[16];\r
+\r
+       if (PicoCDBuffers > 1) sprintf(ra_buff, "%5iK", PicoCDBuffers * 2);\r
+       else strcpy(ra_buff, "     OFF");\r
 \r
        y = tl_y;\r
-       memset(gp2x_screen, 0, 320*240);\r
+       //memset(gp2x_screen, 0, 320*240);\r
+       gp2x_pd_clone_buffer2();\r
+\r
        gp2x_text_out8(tl_x, y,       "USA BIOS:     %s", b_us); // 0\r
        gp2x_text_out8(tl_x, (y+=10), "EUR BIOS:     %s", b_eu); // 1\r
        gp2x_text_out8(tl_x, (y+=10), "JAP BIOS:     %s", b_jp); // 2\r
-       gp2x_text_out8(tl_x, (y+=10), "CD LEDs                    %s", (currentConfig.EmuOpt &0x400)?"ON":"OFF"); // 3\r
-       gp2x_text_out8(tl_x, (y+=10), "CDDA audio (using mp3s)    %s", (currentConfig.EmuOpt &0x800)?"ON":"OFF"); // 4\r
+       gp2x_text_out8(tl_x, (y+=10), "CD LEDs                    %s", (currentConfig.EmuOpt &0x0400)?"ON":"OFF"); // 3\r
+       gp2x_text_out8(tl_x, (y+=10), "CDDA audio (using mp3s)    %s", (currentConfig.PicoOpt&0x0800)?"ON":"OFF"); // 4\r
+       gp2x_text_out8(tl_x, (y+=10), "PCM audio                  %s", (currentConfig.PicoOpt&0x0400)?"ON":"OFF"); // 5\r
+       gp2x_text_out8(tl_x, (y+=10), "ReadAhead buffer      %s", ra_buff); // 6\r
+       gp2x_text_out8(tl_x, (y+=10), "Scale/Rot. fx (buggy,slow) %s", (currentConfig.PicoOpt&0x1000)?"ON":"OFF"); // 7\r
+       gp2x_text_out8(tl_x, (y+=10), "Better sync (slow)         %s", (currentConfig.PicoOpt&0x2000)?"ON":"OFF"); // 8\r
        gp2x_text_out8(tl_x, (y+=10), "Done");\r
 \r
        // draw cursor\r
@@ -585,12 +757,12 @@ static void draw_cd_menu_options(int menu_sel, char *b_us, char *b_eu, char *b_j
                (menu_sel == 2 && strcmp(b_jp, "NOT FOUND")))\r
                        gp2x_text_out8(tl_x, 220, "Press start to test selected BIOS");\r
 \r
-       gp2x_video_flip();\r
+       gp2x_video_flip2();\r
 }\r
 \r
 static void cd_menu_loop_options(void)\r
 {\r
-       int menu_sel = 0, menu_sel_max = 5;\r
+       int menu_sel = 0, menu_sel_max = 9;\r
        unsigned long inp = 0;\r
        char bios_us[32], bios_eu[32], bios_jp[32], *bios, *p;\r
 \r
@@ -617,9 +789,22 @@ static void cd_menu_loop_options(void)
                if(inp & GP2X_DOWN) { menu_sel++; if (menu_sel > menu_sel_max) menu_sel = 0; }\r
                if((inp& GP2X_B)||(inp&GP2X_LEFT)||(inp&GP2X_RIGHT)) { // toggleable options\r
                        switch (menu_sel) {\r
-                               case  3: currentConfig.EmuOpt ^=0x400; break;\r
-                               case  4: currentConfig.EmuOpt ^=0x800; break;\r
-                               case  5: return;\r
+                               case  3: currentConfig.EmuOpt ^=0x0400; break;\r
+                               case  4: currentConfig.PicoOpt^=0x0800; break;\r
+                               case  5: currentConfig.PicoOpt^=0x0400; break;\r
+                               case  6:\r
+                                       if (inp & GP2X_LEFT) {\r
+                                               PicoCDBuffers >>= 1;\r
+                                               if (PicoCDBuffers < 64) PicoCDBuffers = 0;\r
+                                       } else {\r
+                                               if (PicoCDBuffers < 64) PicoCDBuffers = 64;\r
+                                               else PicoCDBuffers <<= 1;\r
+                                               if (PicoCDBuffers > 8*1024) PicoCDBuffers = 8*1024; // 16M\r
+                                       }\r
+                                       break;\r
+                               case  7: currentConfig.PicoOpt^=0x1000; break;\r
+                               case  8: currentConfig.PicoOpt^=0x2000; break;\r
+                               case  9: return;\r
                        }\r
                }\r
                if(inp & (GP2X_X|GP2X_A)) return;\r
@@ -657,7 +842,9 @@ static void draw_amenu_options(int menu_sel)
        char *mms = mmuhack_status ? "active)  " : "inactive)";\r
 \r
        y = tl_y;\r
-       memset(gp2x_screen, 0, 320*240);\r
+       //memset(gp2x_screen, 0, 320*240);\r
+       gp2x_pd_clone_buffer2();\r
+\r
        gp2x_text_out8(tl_x, y,       "Scale 32 column mode       %s", (currentConfig.PicoOpt&0x100)?"ON":"OFF"); // 0\r
        gp2x_text_out8(tl_x, (y+=10), "Gamma correction           %i.%02i", currentConfig.gamma / 100, currentConfig.gamma%100); // 1\r
        gp2x_text_out8(tl_x, (y+=10), "Emulate Z80                %s", (currentConfig.PicoOpt&0x004)?"ON":"OFF"); // 2\r
@@ -673,7 +860,7 @@ static void draw_amenu_options(int menu_sel)
        // draw cursor\r
        gp2x_text_out8(tl_x - 16, tl_y + menu_sel*10, ">");\r
 \r
-       gp2x_video_flip();\r
+       gp2x_video_flip2();\r
 }\r
 \r
 static void amenu_loop_options(void)\r
@@ -759,7 +946,9 @@ static void draw_menu_options(int menu_sel)
        }\r
 \r
        y = tl_y;\r
-       memset(gp2x_screen, 0, 320*240);\r
+       //memset(gp2x_screen, 0, 320*240);\r
+       gp2x_pd_clone_buffer2();\r
+\r
        gp2x_text_out8(tl_x, y,       "Renderer:            %s", strrend); // 0\r
        gp2x_text_out8(tl_x, (y+=10), "Accurate timing (slower)   %s", (currentConfig.PicoOpt&0x040)?"ON":"OFF"); // 1\r
        gp2x_text_out8(tl_x, (y+=10), "Accurate sprites (slower)  %s", (currentConfig.PicoOpt&0x080)?"ON":"OFF"); // 2\r
@@ -783,7 +972,7 @@ static void draw_menu_options(int menu_sel)
        // draw cursor\r
        gp2x_text_out8(tl_x - 16, tl_y + menu_sel*10, ">");\r
 \r
-       gp2x_video_flip();\r
+       gp2x_video_flip2();\r
 }\r
 \r
 static int sndrate_prevnext(int rate, int dir)\r
@@ -935,7 +1124,8 @@ static int menu_loop_options(void)
 static void draw_menu_credits(void)\r
 {\r
        int tl_x = 15, tl_y = 70, y;\r
-       memset(gp2x_screen, 0, 320*240);\r
+       //memset(gp2x_screen, 0, 320*240);\r
+       gp2x_pd_clone_buffer2();\r
 \r
        gp2x_text_out8(tl_x, 20, "PicoDrive v" VERSION " (c) notaz, 2006,2007");\r
        y = tl_y;\r
@@ -954,7 +1144,7 @@ static void draw_menu_credits(void)
        gp2x_text_out8(tl_x, (y+=10), "GnoStiC / Puck2099: USB joystick");\r
        gp2x_text_out8(tl_x, (y+=10), "craigix: GP2X hardware");\r
 \r
-       gp2x_video_flip();\r
+       gp2x_video_flip2();\r
 }\r
 \r
 \r
@@ -963,7 +1153,8 @@ static void draw_menu_credits(void)
 static void draw_menu_root(int menu_sel)\r
 {\r
        int tl_x = 70, tl_y = 70, y;\r
-       memset(gp2x_screen, 0, 320*240);\r
+       //memset(gp2x_screen, 0, 320*240);\r
+       gp2x_pd_clone_buffer2();\r
 \r
        gp2x_text_out8(tl_x, 20, "PicoDrive v" VERSION);\r
 \r
@@ -981,12 +1172,14 @@ static void draw_menu_root(int menu_sel)
        gp2x_text_out8(tl_x, (y+=10), "Configure controls");\r
        gp2x_text_out8(tl_x, (y+=10), "Credits");\r
        gp2x_text_out8(tl_x, (y+=10), "Exit");\r
+       if (PicoPatches)\r
+               gp2x_text_out8(tl_x, (y+=10), "Patches / GameGenie");\r
 \r
        // draw cursor\r
        gp2x_text_out8(tl_x - 16, tl_y + menu_sel*10, ">");\r
        // error\r
        if (menuErrorMsg[0]) gp2x_text_out8(5, 226, menuErrorMsg);\r
-       gp2x_video_flip();\r
+       gp2x_video_flip2();\r
 }\r
 \r
 \r
@@ -1008,6 +1201,7 @@ static void menu_loop_root(void)
        }\r
 \r
        if (rom_data) menu_sel = menu_sel_min = 0;\r
+       if (PicoPatches) menu_sel_max = 9;\r
 \r
        for(;;)\r
        {\r
@@ -1029,20 +1223,16 @@ static void menu_loop_root(void)
                                        break;\r
                                case 1: // save state\r
                                        if (rom_data) {\r
-                                               if(emu_SaveLoadGame(0, 0)) {\r
-                                                       strcpy(menuErrorMsg, "save failed");\r
+                                               if(savestate_menu_loop(0))\r
                                                        continue;\r
-                                               }\r
                                                engineState = PGS_Running;\r
                                                return;\r
                                        }\r
                                        break;\r
                                case 2: // load state\r
                                        if (rom_data) {\r
-                                               if(emu_SaveLoadGame(1, 0)) {\r
-                                                       strcpy(menuErrorMsg, "load failed");\r
+                                               if(savestate_menu_loop(1))\r
                                                        continue;\r
-                                               }\r
                                                engineState = PGS_Running;\r
                                                return;\r
                                        }\r
@@ -1078,6 +1268,14 @@ static void menu_loop_root(void)
                                case 8: // exit\r
                                        engineState = PGS_Quit;\r
                                        return;\r
+                               case 9: // patches/gg\r
+                                       if (rom_data && PicoPatches) {\r
+                                               patches_menu_loop();\r
+                                               PicoPatchApply();\r
+                                               strcpy(menuErrorMsg, "Patches applied");\r
+                                               continue;\r
+                                       }\r
+                                       break;\r
                        }\r
                }\r
                menuErrorMsg[0] = 0; // clear error msg\r
@@ -1085,17 +1283,36 @@ static void menu_loop_root(void)
 }\r
 \r
 \r
-void menu_loop(void)\r
+static void menu_prepare_bg(void)\r
 {\r
-       int pal[2];\r
+       extern int localPal[0x100];\r
+       int c, i;\r
+\r
+       // don't clear old palette just for fun (but make it dark)\r
+       for (i = 0x100-1; i >= 0; i--) {\r
+               c = localPal[i];\r
+               localPal[i] = ((c >> 1) & 0x007f7f7f) - ((c >> 3) & 0x001f1f1f);\r
+       }\r
+       localPal[0xe0] = 0x00000000; // reserved pixels for OSD\r
+       localPal[0xf0] = 0x00ffffff;\r
+\r
+       gp2x_video_setpalette(localPal, 0x100);\r
+}\r
+\r
+static void menu_gfx_prepare(void)\r
+{\r
+       menu_prepare_bg();\r
 \r
        // switch to 8bpp\r
-       gp2x_video_changemode(8);\r
+       gp2x_video_changemode2(8);\r
        gp2x_video_RGB_setscaling(320, 240);\r
-       // set pal\r
-       pal[0] = 0;\r
-       pal[1] = 0x00ffffff;\r
-       gp2x_video_setpalette(pal, 2);\r
+       gp2x_video_flip2();\r
+}\r
+\r
+\r
+void menu_loop(void)\r
+{\r
+       menu_gfx_prepare();\r
 \r
        menu_loop_root();\r
 \r