z80 timing change
[picodrive.git] / platform / gp2x / menu.c
index 9ffbd40..f9c8065 100644 (file)
@@ -17,7 +17,9 @@
 #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
@@ -284,6 +286,28 @@ static int scandir_cmp(const void *p1, const void *p2)
        return alphasort(d1, d2);\r
 }\r
 \r
+static char *filter_exts[] = {\r
+       ".mp3", ".MP3", ".srm", ".brm", "s.gz", ".mds", "bcfg", ".txt", ".htm", "html",\r
+       ".jpg", ".gpe", ".cue"\r
+};\r
+\r
+static int scandir_filter(const struct dirent *ent)\r
+{\r
+       const char *p;\r
+       int i;\r
+\r
+       if (ent == NULL || ent->d_name == NULL) return 0;\r
+       if (strlen(ent->d_name) < 5) return 1;\r
+\r
+       p = ent->d_name + strlen(ent->d_name) - 4;\r
+\r
+       for (i = 0; i < sizeof(filter_exts)/sizeof(filter_exts[0]); i++)\r
+       {\r
+               if (strcmp(p, filter_exts[i]) == 0) return 0;\r
+       }\r
+\r
+       return 1;\r
+}\r
 \r
 static char *romsel_loop(char *curr_path)\r
 {\r
@@ -303,10 +327,10 @@ static char *romsel_loop(char *curr_path)
                fname = p+1;\r
        }\r
 \r
-       n = scandir(curr_path, &namelist, 0, scandir_cmp);\r
+       n = scandir(curr_path, &namelist, scandir_filter, scandir_cmp);\r
        if (n < 0) {\r
                // try root\r
-               n = scandir(curr_path, &namelist, 0, scandir_cmp);\r
+               n = scandir("/", &namelist, scandir_filter, scandir_cmp);\r
                if (n < 0) {\r
                        // oops, we failed\r
                        printf("dir: "); printf(curr_path); printf("\n");\r
@@ -390,6 +414,187 @@ 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
@@ -546,6 +751,10 @@ 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
@@ -554,9 +763,12 @@ static void draw_cd_menu_options(int menu_sel, char *b_us, char *b_eu, char *b_j
        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.PicoOpt&0x800)?"ON":"OFF"); // 4\r
-       gp2x_text_out8(tl_x, (y+=10), "PCM audio                  %s", (currentConfig.PicoOpt&0x400)?"ON":"OFF"); // 5\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 (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
@@ -572,7 +784,7 @@ static void draw_cd_menu_options(int menu_sel, char *b_us, char *b_eu, char *b_j
 \r
 static void cd_menu_loop_options(void)\r
 {\r
-       int menu_sel = 0, menu_sel_max = 6;\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
@@ -599,10 +811,22 @@ 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.PicoOpt^=0x800; break;\r
-                               case  5: currentConfig.PicoOpt^=0x400; break;\r
-                               case  6: 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
@@ -643,16 +867,15 @@ static void draw_amenu_options(int menu_sel)
        //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
-       gp2x_text_out8(tl_x, (y+=10), "Emulate YM2612 (FM)        %s", (currentConfig.PicoOpt&0x001)?"ON":"OFF"); // 3\r
-       gp2x_text_out8(tl_x, (y+=10), "Emulate SN76496 (PSG)      %s", (currentConfig.PicoOpt&0x002)?"ON":"OFF"); // 4\r
-       gp2x_text_out8(tl_x, (y+=10), "gzip savestates            %s", (currentConfig.EmuOpt &0x008)?"ON":"OFF"); // 5\r
-       gp2x_text_out8(tl_x, (y+=10), "Don't save config on exit  %s", (currentConfig.EmuOpt &0x020)?"ON":"OFF"); // 6\r
+       gp2x_text_out8(tl_x, y,       "Gamma correction           %i.%02i", currentConfig.gamma / 100, currentConfig.gamma%100); // 0\r
+       gp2x_text_out8(tl_x, (y+=10), "Emulate Z80                %s", (currentConfig.PicoOpt&0x004)?"ON":"OFF"); // 1\r
+       gp2x_text_out8(tl_x, (y+=10), "Emulate YM2612 (FM)        %s", (currentConfig.PicoOpt&0x001)?"ON":"OFF"); // 2\r
+       gp2x_text_out8(tl_x, (y+=10), "Emulate SN76496 (PSG)      %s", (currentConfig.PicoOpt&0x002)?"ON":"OFF"); // 3\r
+       gp2x_text_out8(tl_x, (y+=10), "gzip savestates            %s", (currentConfig.EmuOpt &0x008)?"ON":"OFF"); // 4\r
+       gp2x_text_out8(tl_x, (y+=10), "Don't save config on exit  %s", (currentConfig.EmuOpt &0x020)?"ON":"OFF"); // 5\r
        gp2x_text_out8(tl_x, (y+=10), "needs restart:");\r
-       gp2x_text_out8(tl_x, (y+=10), "craigix's RAM timings      %s", (currentConfig.EmuOpt &0x100)?"ON":"OFF"); // 8\r
-       gp2x_text_out8(tl_x, (y+=10), "squidgehack (now %s %s",   mms, (currentConfig.EmuOpt &0x010)?"ON":"OFF"); // 9\r
+       gp2x_text_out8(tl_x, (y+=10), "craigix's RAM timings      %s", (currentConfig.EmuOpt &0x100)?"ON":"OFF"); // 7\r
+       gp2x_text_out8(tl_x, (y+=10), "squidgehack (now %s %s",   mms, (currentConfig.EmuOpt &0x010)?"ON":"OFF"); // 8\r
        gp2x_text_out8(tl_x, (y+=10), "Done");\r
 \r
        // draw cursor\r
@@ -663,7 +886,7 @@ static void draw_amenu_options(int menu_sel)
 \r
 static void amenu_loop_options(void)\r
 {\r
-       int menu_sel = 0, menu_sel_max = 10;\r
+       int menu_sel = 0, menu_sel_max = 9;\r
        unsigned long inp = 0;\r
 \r
        for(;;)\r
@@ -674,21 +897,20 @@ static void amenu_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  0: currentConfig.PicoOpt^=0x100; break;\r
-                               case  2: currentConfig.PicoOpt^=0x004; break;\r
-                               case  3: currentConfig.PicoOpt^=0x001; break;\r
-                               case  4: currentConfig.PicoOpt^=0x002; break;\r
-                               case  5: currentConfig.EmuOpt ^=0x008; break;\r
-                               case  6: currentConfig.EmuOpt ^=0x020; break;\r
-                               case  8: currentConfig.EmuOpt ^=0x100; break;\r
-                               case  9: currentConfig.EmuOpt ^=0x010; break;\r
-                               case 10: return;\r
+                               case  1: currentConfig.PicoOpt^=0x004; break;\r
+                               case  2: currentConfig.PicoOpt^=0x001; break;\r
+                               case  3: currentConfig.PicoOpt^=0x002; break;\r
+                               case  4: currentConfig.EmuOpt ^=0x008; break;\r
+                               case  5: currentConfig.EmuOpt ^=0x020; break;\r
+                               case  7: currentConfig.EmuOpt ^=0x100; break;\r
+                               case  8: currentConfig.EmuOpt ^=0x010; break;\r
+                               case  9: return;\r
                        }\r
                }\r
                if(inp & (GP2X_X|GP2X_A)) return;\r
                if(inp & (GP2X_LEFT|GP2X_RIGHT)) { // multi choise\r
                        switch (menu_sel) {\r
-                               case 1:\r
+                               case 0:\r
                                        while ((inp = gp2x_joystick_read(1)) & (GP2X_LEFT|GP2X_RIGHT)) {\r
                                                currentConfig.gamma += (inp & GP2X_LEFT) ? -1 : 1;\r
                                                if (currentConfig.gamma <   1) currentConfig.gamma =   1;\r
@@ -728,8 +950,8 @@ static const char *region_name(unsigned int code)
 \r
 static void draw_menu_options(int menu_sel)\r
 {\r
-       int tl_x = 25, tl_y = 40, y;\r
-       char monostereo[8], strframeskip[8], *strrend;\r
+       int tl_x = 25, tl_y = 32, y;\r
+       char monostereo[8], strframeskip[8], *strrend, *strscaling;\r
 \r
        strcpy(monostereo, (currentConfig.PicoOpt&0x08)?"stereo":"mono");\r
        if (currentConfig.Frameskip < 0)\r
@@ -742,27 +964,34 @@ static void draw_menu_options(int menu_sel)
        } else {\r
                strrend = " 8bit accurate";\r
        }\r
+       switch (currentConfig.scaling) {\r
+               default: strscaling = "            OFF";   break;\r
+               case 1:  strscaling = "hw horizontal";     break;\r
+               case 2:  strscaling = "hw horiz. + vert."; break;\r
+               case 3:  strscaling = "sw horizontal";     break;\r
+       }\r
 \r
        y = tl_y;\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
-       gp2x_text_out8(tl_x, (y+=10), "Show FPS                   %s", (currentConfig.EmuOpt &0x002)?"ON":"OFF"); // 3\r
+       gp2x_text_out8(tl_x, (y+=10), "Scaling:       %s", strscaling);    // 1\r
+       gp2x_text_out8(tl_x, (y+=10), "Accurate timing (slower)   %s", (currentConfig.PicoOpt&0x040)?"ON":"OFF"); // 2\r
+       gp2x_text_out8(tl_x, (y+=10), "Accurate sprites (slower)  %s", (currentConfig.PicoOpt&0x080)?"ON":"OFF"); // 3\r
+       gp2x_text_out8(tl_x, (y+=10), "Show FPS                   %s", (currentConfig.EmuOpt &0x002)?"ON":"OFF"); // 4\r
        gp2x_text_out8(tl_x, (y+=10), "Frameskip                  %s", strframeskip);\r
-       gp2x_text_out8(tl_x, (y+=10), "Enable sound               %s", (currentConfig.EmuOpt &0x004)?"ON":"OFF"); // 5\r
+       gp2x_text_out8(tl_x, (y+=10), "Enable sound               %s", (currentConfig.EmuOpt &0x004)?"ON":"OFF"); // 6\r
        gp2x_text_out8(tl_x, (y+=10), "Sound Quality:     %5iHz %s",   currentConfig.PsndRate, monostereo);\r
-       gp2x_text_out8(tl_x, (y+=10), "Use ARM940 core for sound  %s", (currentConfig.PicoOpt&0x200)?"ON":"OFF"); // 7\r
-       gp2x_text_out8(tl_x, (y+=10), "6 button pad               %s", (currentConfig.PicoOpt&0x020)?"ON":"OFF"); // 8\r
+       gp2x_text_out8(tl_x, (y+=10), "Use ARM940 core for sound  %s", (currentConfig.PicoOpt&0x200)?"ON":"OFF"); // 8\r
+       gp2x_text_out8(tl_x, (y+=10), "6 button pad               %s", (currentConfig.PicoOpt&0x020)?"ON":"OFF"); // 9\r
        gp2x_text_out8(tl_x, (y+=10), "Genesis Region:      %s",       region_name(currentConfig.PicoRegion));\r
-       gp2x_text_out8(tl_x, (y+=10), "Use SRAM/BRAM savestates   %s", (currentConfig.EmuOpt &0x001)?"ON":"OFF"); // 10\r
-       gp2x_text_out8(tl_x, (y+=10), "Confirm save overwrites    %s", (currentConfig.EmuOpt &0x200)?"ON":"OFF"); // 11\r
-       gp2x_text_out8(tl_x, (y+=10), "Save slot                  %i", state_slot); // 12\r
+       gp2x_text_out8(tl_x, (y+=10), "Use SRAM/BRAM savestates   %s", (currentConfig.EmuOpt &0x001)?"ON":"OFF"); // 11\r
+       gp2x_text_out8(tl_x, (y+=10), "Confirm save overwrites    %s", (currentConfig.EmuOpt &0x200)?"ON":"OFF"); // 12\r
+       gp2x_text_out8(tl_x, (y+=10), "Save slot                  %i", state_slot); // 13\r
        gp2x_text_out8(tl_x, (y+=10), "GP2X CPU clocks            %iMhz", currentConfig.CPUclock);\r
        gp2x_text_out8(tl_x, (y+=10), "[Sega/Mega CD options]");\r
-       gp2x_text_out8(tl_x, (y+=10), "[advanced options]");            // 15\r
+       gp2x_text_out8(tl_x, (y+=10), "[advanced options]");            // 16\r
        gp2x_text_out8(tl_x, (y+=10), "Save cfg as default");\r
        if (rom_data)\r
                gp2x_text_out8(tl_x, (y+=10), "Save cfg for current game only");\r
@@ -821,11 +1050,12 @@ static void menu_options_save(void)
        } else {\r
                actionNames[8] = actionNames[9] = actionNames[10] = actionNames[11] = 0;\r
        }\r
+       scaling_update();\r
 }\r
 \r
 static int menu_loop_options(void)\r
 {\r
-       int menu_sel = 0, menu_sel_max = 16;\r
+       int menu_sel = 0, menu_sel_max = 17;\r
        unsigned long inp = 0;\r
 \r
        if (rom_data) menu_sel_max++;\r
@@ -841,25 +1071,25 @@ static int 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  1: currentConfig.PicoOpt^=0x040; break;\r
-                               case  2: currentConfig.PicoOpt^=0x080; break;\r
-                               case  3: currentConfig.EmuOpt ^=0x002; break;\r
-                               case  5: currentConfig.EmuOpt ^=0x004; break;\r
-                               case  7: currentConfig.PicoOpt^=0x200; break;\r
-                               case  8: currentConfig.PicoOpt^=0x020; break;\r
-                               case 10: currentConfig.EmuOpt ^=0x001; break;\r
-                               case 11: currentConfig.EmuOpt ^=0x200; break;\r
-                               case 14: cd_menu_loop_options();\r
+                               case  2: currentConfig.PicoOpt^=0x040; break;\r
+                               case  3: currentConfig.PicoOpt^=0x080; break;\r
+                               case  4: currentConfig.EmuOpt ^=0x002; break;\r
+                               case  6: currentConfig.EmuOpt ^=0x004; break;\r
+                               case  8: currentConfig.PicoOpt^=0x200; break;\r
+                               case  9: currentConfig.PicoOpt^=0x020; break;\r
+                               case 11: currentConfig.EmuOpt ^=0x001; break;\r
+                               case 12: currentConfig.EmuOpt ^=0x200; break;\r
+                               case 15: cd_menu_loop_options();\r
                                        if (engineState == PGS_ReloadRom)\r
                                                return 0; // test BIOS\r
                                        break;\r
-                               case 15: amenu_loop_options();    break;\r
-                               case 16: // done (update and write)\r
+                               case 16: amenu_loop_options();    break;\r
+                               case 17: // done (update and write)\r
                                        menu_options_save();\r
                                        if (emu_WriteConfig(0)) strcpy(menuErrorMsg, "config saved");\r
                                        else strcpy(menuErrorMsg, "failed to write config");\r
                                        return 1;\r
-                               case 17: // done (update and write for current game)\r
+                               case 18: // done (update and write for current game)\r
                                        menu_options_save();\r
                                        if (emu_WriteConfig(1)) strcpy(menuErrorMsg, "config saved");\r
                                        else strcpy(menuErrorMsg, "failed to write config");\r
@@ -883,28 +1113,33 @@ static int menu_loop_options(void)
                                                else if (  currentConfig.EmuOpt &0x80) currentConfig.EmuOpt &= ~0x80;\r
                                        }\r
                                        break;\r
-                               case  4:\r
+                               case  1:\r
+                                       currentConfig.scaling += (inp & GP2X_LEFT) ? -1 : 1;\r
+                                       if (currentConfig.scaling < 0) currentConfig.scaling = 0;\r
+                                       if (currentConfig.scaling > 3) currentConfig.scaling = 3;\r
+                                       break;\r
+                               case  5:\r
                                        currentConfig.Frameskip += (inp & GP2X_LEFT) ? -1 : 1;\r
                                        if (currentConfig.Frameskip < 0)  currentConfig.Frameskip = -1;\r
                                        if (currentConfig.Frameskip > 32) currentConfig.Frameskip = 32;\r
                                        break;\r
-                               case  6:\r
+                               case  7:\r
                                        if ((inp & GP2X_RIGHT) && currentConfig.PsndRate == 44100 && !(currentConfig.PicoOpt&0x08)) {\r
                                                currentConfig.PsndRate = 8000;  currentConfig.PicoOpt|= 0x08;\r
                                        } else if ((inp & GP2X_LEFT) && currentConfig.PsndRate == 8000 && (currentConfig.PicoOpt&0x08)) {\r
                                                currentConfig.PsndRate = 44100; currentConfig.PicoOpt&=~0x08;\r
                                        } else currentConfig.PsndRate = sndrate_prevnext(currentConfig.PsndRate, inp & GP2X_RIGHT);\r
                                        break;\r
-                               case  9:\r
+                               case 10:\r
                                        region_prevnext(inp & GP2X_RIGHT);\r
                                        break;\r
-                               case 12:\r
+                               case 13:\r
                                        if (inp & GP2X_RIGHT) {\r
                                                state_slot++; if (state_slot > 9) state_slot = 0;\r
                                        } else {state_slot--; if (state_slot < 0) state_slot = 9;\r
                                        }\r
                                        break;\r
-                               case 13:\r
+                               case 14:\r
                                        while ((inp = gp2x_joystick_read(1)) & (GP2X_LEFT|GP2X_RIGHT)) {\r
                                                currentConfig.CPUclock += (inp & GP2X_LEFT) ? -1 : 1;\r
                                                if (currentConfig.CPUclock < 1) currentConfig.CPUclock = 1;\r
@@ -970,6 +1205,8 @@ 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
@@ -997,8 +1234,13 @@ 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
+       /* make sure action buttons are not pressed on entering menu */\r
+       draw_menu_root(menu_sel);\r
+       while (gp2x_joystick_read(1) & (GP2X_B|GP2X_X|GP2X_SELECT)) usleep(50*1000);\r
+\r
+       for (;;)\r
        {\r
                draw_menu_root(menu_sel);\r
                inp = wait_for_input(GP2X_UP|GP2X_DOWN|GP2X_B|GP2X_X|GP2X_SELECT);\r
@@ -1018,20 +1260,16 @@ 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
@@ -1067,6 +1305,14 @@ 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
@@ -1074,21 +1320,29 @@ static void menu_loop_root(void)
 }\r
 \r
 \r
-static void menu_gfx_prepare(void)\r
+static void menu_prepare_bg(void)\r
 {\r
        extern int localPal[0x100];\r
-       int i;\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
-               localPal[i] = (localPal[i] >> 2) & 0x003f3f3f;\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_changemode2(8);\r
-       gp2x_video_RGB_setscaling(320, 240);\r
-       gp2x_video_setpalette(localPal, 0x100);\r
+       gp2x_video_RGB_setscaling(0, 320, 240);\r
        gp2x_video_flip2();\r
 }\r
 \r