remove PicoDrive-specific stuff, add readme
[libpicofe.git] / common / menu_pico.c
diff --git a/common/menu_pico.c b/common/menu_pico.c
deleted file mode 100644 (file)
index f6e9b26..0000000
+++ /dev/null
@@ -1,1080 +0,0 @@
-#include <string.h>
-
-#include "emu.h"
-#include "menu_pico.h"
-
-#include <version.h>
-#include <revision.h>
-
-#include <pico/pico.h>
-#include <pico/patch.h>
-
-// rrrr rggg gggb bbbb
-static unsigned short fname2color(const char *fname)
-{
-       const char *ext = fname + strlen(fname) - 3;
-       static const char *rom_exts[]   = { "zip", "bin", "smd", "gen", "iso", "cso", "cue" };
-       static const char *other_exts[] = { "gmv", "pat" };
-       int i;
-
-       if (ext < fname) ext = fname;
-       for (i = 0; i < array_size(rom_exts); i++)
-               if (strcasecmp(ext, rom_exts[i]) == 0) return 0xbdff; // FIXME: mk defines
-       for (i = 0; i < array_size(other_exts); i++)
-               if (strcasecmp(ext, other_exts[i]) == 0) return 0xaff5;
-       return 0xffff;
-}
-
-static const char *filter_exts[] = {
-       ".mp3", ".MP3", ".srm", ".brm", "s.gz", ".mds", "bcfg", ".txt", ".htm", "html",
-       ".jpg", ".gpe"
-};
-
-#include "menu.c"
-
-/* platform specific options and handlers */
-#if   defined(__GP2X__)
-#include "../gp2x/menu.c"
-#elif defined(PANDORA)
-#include "../pandora/menu.c"
-#else
-#define MENU_OPTIONS_GFX
-#define MENU_OPTIONS_ADV
-#define menu_main_plat_draw NULL
-#endif
-
-static void menu_enter(int is_rom_loaded)
-{
-       if (is_rom_loaded)
-       {
-               // darken the active framebuffer
-               menu_darken_bg(g_menubg_ptr, g_menubg_src_ptr, g_menuscreen_w * g_menuscreen_h, 1);
-       }
-       else
-       {
-               char buff[256];
-
-               // should really only happen once, on startup..
-               emu_make_path(buff, "skin/background.png", sizeof(buff));
-               if (readpng(g_menubg_ptr, buff, READPNG_BG, g_menuscreen_w, g_menuscreen_h) < 0)
-                       memset(g_menubg_ptr, 0, g_menuscreen_w * g_menuscreen_h * 2);
-       }
-
-       plat_video_menu_enter(is_rom_loaded);
-}
-
-static void draw_savestate_bg(int slot)
-{
-       const char *fname;
-       void *tmp_state;
-
-       fname = emu_get_save_fname(1, 0, slot);
-       if (!fname)
-               return;
-
-       tmp_state = PicoTmpStateSave();
-
-       PicoStateLoadGfx(fname);
-
-       /* do a frame and fetch menu bg */
-       pemu_forced_frame(0, 0);
-
-       menu_darken_bg(g_menubg_ptr, g_menubg_src_ptr, g_menuscreen_w * g_menuscreen_h, 1);
-
-       PicoTmpStateRestore(tmp_state);
-}
-
-// --------- loading ROM screen ----------
-
-static int cdload_called = 0;
-
-static void load_progress_cb(int percent)
-{
-       int ln, len = percent * g_menuscreen_w / 100;
-       unsigned short *dst;
-
-       if (len > g_menuscreen_w)
-               len = g_menuscreen_w;
-
-       menu_draw_begin(0);
-       dst = (unsigned short *)g_menuscreen_ptr + g_menuscreen_w * me_sfont_h * 2;
-       for (ln = me_sfont_h - 2; ln > 0; ln--, dst += g_menuscreen_w)
-               memset(dst, 0xff, len * 2);
-       menu_draw_end();
-}
-
-static void cdload_progress_cb(const char *fname, int percent)
-{
-       int ln, len = percent * g_menuscreen_w / 100;
-       unsigned short *dst;
-
-       menu_draw_begin(0);
-       dst = (unsigned short *)g_menuscreen_ptr + g_menuscreen_w * me_sfont_h * 2;
-       memset(dst, 0xff, g_menuscreen_w * (me_sfont_h - 2) * 2);
-
-       smalltext_out16(1, 3 * me_sfont_h, "Processing CD image / MP3s", 0xffff);
-       smalltext_out16(1, 4 * me_sfont_h, fname, 0xffff);
-       dst += g_menuscreen_w * me_sfont_h * 3;
-
-       if (len > g_menuscreen_w)
-               len = g_menuscreen_w;
-
-       for (ln = (me_sfont_h - 2); ln > 0; ln--, dst += g_menuscreen_w)
-               memset(dst, 0xff, len * 2);
-       menu_draw_end();
-
-       cdload_called = 1;
-}
-
-void menu_romload_prepare(const char *rom_name)
-{
-       const char *p = rom_name + strlen(rom_name);
-       int i;
-
-       while (p > rom_name && *p != '/')
-               p--;
-
-       /* fill all buffers, callbacks won't update in full */
-       for (i = 0; i < 3; i++) {
-               menu_draw_begin(1);
-               smalltext_out16(1, 1, "Loading", 0xffff);
-               smalltext_out16(1, me_sfont_h, p, 0xffff);
-               menu_draw_end();
-       }
-
-       PicoCartLoadProgressCB = load_progress_cb;
-       PicoCDLoadProgressCB = cdload_progress_cb;
-       cdload_called = 0;
-}
-
-void menu_romload_end(void)
-{
-       PicoCartLoadProgressCB = NULL;
-       PicoCDLoadProgressCB = NULL;
-
-       menu_draw_begin(0);
-       smalltext_out16(1, (cdload_called ? 6 : 3) * me_sfont_h,
-               "Starting emulation...", 0xffff);
-       menu_draw_end();
-}
-
-// ------------ patch/gg menu ------------
-
-static void draw_patchlist(int sel)
-{
-       int max_cnt, start, i, pos, active;
-
-       max_cnt = g_menuscreen_h / me_sfont_h;
-       start = max_cnt / 2 - sel;
-
-       menu_draw_begin(1);
-
-       for (i = 0; i < PicoPatchCount; i++) {
-               pos = start + i;
-               if (pos < 0) continue;
-               if (pos >= max_cnt) break;
-               active = PicoPatches[i].active;
-               smalltext_out16(14,                pos * me_sfont_h, active ? "ON " : "OFF", active ? 0xfff6 : 0xffff);
-               smalltext_out16(14 + me_sfont_w*4, pos * me_sfont_h, PicoPatches[i].name,    active ? 0xfff6 : 0xffff);
-       }
-       pos = start + i;
-       if (pos < max_cnt)
-               smalltext_out16(14, pos * me_sfont_h, "done", 0xffff);
-
-       text_out16(5, max_cnt / 2 * me_sfont_h, ">");
-       menu_draw_end();
-}
-
-static void menu_loop_patches(void)
-{
-       static int menu_sel = 0;
-       int inp;
-
-       for (;;)
-       {
-               draw_patchlist(menu_sel);
-               inp = in_menu_wait(PBTN_UP|PBTN_DOWN|PBTN_LEFT|PBTN_RIGHT|PBTN_L|PBTN_R
-                               |PBTN_MOK|PBTN_MBACK, NULL, 33);
-               if (inp & PBTN_UP  ) { menu_sel--; if (menu_sel < 0) menu_sel = PicoPatchCount; }
-               if (inp & PBTN_DOWN) { menu_sel++; if (menu_sel > PicoPatchCount) menu_sel = 0; }
-               if (inp &(PBTN_LEFT|PBTN_L))  { menu_sel-=10; if (menu_sel < 0) menu_sel = 0; }
-               if (inp &(PBTN_RIGHT|PBTN_R)) { menu_sel+=10; if (menu_sel > PicoPatchCount) menu_sel = PicoPatchCount; }
-               if (inp & PBTN_MOK) { // action
-                       if (menu_sel < PicoPatchCount)
-                               PicoPatches[menu_sel].active = !PicoPatches[menu_sel].active;
-                       else    break;
-               }
-               if (inp & PBTN_MBACK)
-                       break;
-       }
-}
-
-// -------------- key config --------------
-
-// PicoPad[] format: MXYZ SACB RLDU
-me_bind_action me_ctrl_actions[] =
-{
-       { "UP     ", 0x0001 },
-       { "DOWN   ", 0x0002 },
-       { "LEFT   ", 0x0004 },
-       { "RIGHT  ", 0x0008 },
-       { "A      ", 0x0040 },
-       { "B      ", 0x0010 },
-       { "C      ", 0x0020 },
-       { "A turbo", 0x4000 },
-       { "B turbo", 0x1000 },
-       { "C turbo", 0x2000 },
-       { "START  ", 0x0080 },
-       { "MODE   ", 0x0800 },
-       { "X      ", 0x0400 },
-       { "Y      ", 0x0200 },
-       { "Z      ", 0x0100 },
-       { NULL,      0 },
-};
-
-me_bind_action emuctrl_actions[] =
-{
-       { "Load State       ", PEV_STATE_LOAD },
-       { "Save State       ", PEV_STATE_SAVE },
-       { "Prev Save Slot   ", PEV_SSLOT_PREV },
-       { "Next Save Slot   ", PEV_SSLOT_NEXT },
-       { "Switch Renderer  ", PEV_SWITCH_RND },
-       { "Volume Down      ", PEV_VOL_DOWN },
-       { "Volume Up        ", PEV_VOL_UP },
-       { "Fast forward     ", PEV_FF },
-       { "Enter Menu       ", PEV_MENU },
-       { "Pico Next page   ", PEV_PICO_PNEXT },
-       { "Pico Prev page   ", PEV_PICO_PPREV },
-       { "Pico Switch input", PEV_PICO_SWINP },
-       { NULL,                0 }
-};
-
-static int key_config_loop_wrap(int id, int keys)
-{
-       switch (id) {
-               case MA_CTRL_PLAYER1:
-                       key_config_loop(me_ctrl_actions, array_size(me_ctrl_actions) - 1, 0);
-                       break;
-               case MA_CTRL_PLAYER2:
-                       key_config_loop(me_ctrl_actions, array_size(me_ctrl_actions) - 1, 1);
-                       break;
-               case MA_CTRL_EMU:
-                       key_config_loop(emuctrl_actions, array_size(emuctrl_actions) - 1, -1);
-                       break;
-               default:
-                       break;
-       }
-       return 0;
-}
-
-static const char *mgn_dev_name(int id, int *offs)
-{
-       const char *name = NULL;
-       static int it = 0;
-
-       if (id == MA_CTRL_DEV_FIRST)
-               it = 0;
-
-       for (; it < IN_MAX_DEVS; it++) {
-               name = in_get_dev_name(it, 1, 1);
-               if (name != NULL)
-                       break;
-       }
-
-       it++;
-       return name;
-}
-
-static int mh_saveloadcfg(int id, int keys);
-static const char *mgn_saveloadcfg(int id, int *offs);
-
-static menu_entry e_menu_keyconfig[] =
-{
-       mee_handler_id("Player 1",          MA_CTRL_PLAYER1,    key_config_loop_wrap),
-       mee_handler_id("Player 2",          MA_CTRL_PLAYER2,    key_config_loop_wrap),
-       mee_handler_id("Emulator controls", MA_CTRL_EMU,        key_config_loop_wrap),
-       mee_onoff     ("6 button pad",      MA_OPT_6BUTTON_PAD, PicoOpt, POPT_6BTN_PAD),
-       mee_range     ("Turbo rate",        MA_CTRL_TURBO_RATE, currentConfig.turbo_rate, 1, 30),
-       mee_range     ("Analog deadzone",   MA_CTRL_DEADZONE,   currentConfig.analog_deadzone, 1, 99),
-       mee_cust_nosave("Save global config",       MA_OPT_SAVECFG, mh_saveloadcfg, mgn_saveloadcfg),
-       mee_cust_nosave("Save cfg for loaded game", MA_OPT_SAVECFG_GAME, mh_saveloadcfg, mgn_saveloadcfg),
-       mee_label     (""),
-       mee_label     ("Input devices:"),
-       mee_label_mk  (MA_CTRL_DEV_FIRST, mgn_dev_name),
-       mee_label_mk  (MA_CTRL_DEV_NEXT,  mgn_dev_name),
-       mee_label_mk  (MA_CTRL_DEV_NEXT,  mgn_dev_name),
-       mee_label_mk  (MA_CTRL_DEV_NEXT,  mgn_dev_name),
-       mee_label_mk  (MA_CTRL_DEV_NEXT,  mgn_dev_name),
-       mee_label_mk  (MA_CTRL_DEV_NEXT,  mgn_dev_name),
-       mee_label_mk  (MA_CTRL_DEV_NEXT,  mgn_dev_name),
-       mee_end,
-};
-
-static int menu_loop_keyconfig(int id, int keys)
-{
-       static int sel = 0;
-
-       me_enable(e_menu_keyconfig, MA_OPT_SAVECFG_GAME, rom_loaded);
-       me_loop(e_menu_keyconfig, &sel);
-       return 0;
-}
-
-// ------------ SCD options menu ------------
-
-static const char *mgn_cdopt_ra(int id, int *offs)
-{
-       *offs = -5;
-       if (PicoCDBuffers <= 0)
-               return "     OFF";
-       sprintf(static_buff, "%5iK", PicoCDBuffers * 2);
-       return static_buff;
-}
-
-static int mh_cdopt_ra(int id, int keys)
-{
-       if (keys & PBTN_LEFT) {
-               PicoCDBuffers >>= 1;
-               if (PicoCDBuffers < 2)
-                       PicoCDBuffers = 0;
-       } else {
-               if (PicoCDBuffers <= 0)
-                       PicoCDBuffers = 1;
-               PicoCDBuffers <<= 1;
-               if (PicoCDBuffers > 8*1024)
-                       PicoCDBuffers = 8*1024; // 16M
-       }
-       return 0;
-}
-
-static const char h_cdleds[] = "Show power/CD LEDs of emulated console";
-static const char h_cdda[]   = "Play audio tracks from mp3s/wavs/bins";
-static const char h_cdpcm[]  = "Emulate PCM audio chip for effects/voices/music";
-static const char h_srcart[] = "Emulate the save RAM cartridge accessory\n"
-                               "most games don't need this";
-static const char h_scfx[]   = "Emulate scale/rotate ASIC chip for graphics effects\n"
-                               "disable to improve performance";
-static const char h_bsync[]  = "More accurate mode for CPUs (needed for some games)\n"
-                               "disable to improve performance";
-
-static menu_entry e_menu_cd_options[] =
-{
-       mee_onoff_h("CD LEDs",              MA_CDOPT_LEDS,          currentConfig.EmuOpt, EOPT_EN_CD_LEDS, h_cdleds),
-       mee_onoff_h("CDDA audio",           MA_CDOPT_CDDA,          PicoOpt, POPT_EN_MCD_CDDA, h_cdda),
-       mee_onoff_h("PCM audio",            MA_CDOPT_PCM,           PicoOpt, POPT_EN_MCD_PCM, h_cdpcm),
-       mee_cust   ("ReadAhead buffer",     MA_CDOPT_READAHEAD,     mh_cdopt_ra, mgn_cdopt_ra),
-       mee_onoff_h("SaveRAM cart",         MA_CDOPT_SAVERAM,       PicoOpt, POPT_EN_MCD_RAMCART, h_srcart),
-       mee_onoff_h("Scale/Rot. fx (slow)", MA_CDOPT_SCALEROT_CHIP, PicoOpt, POPT_EN_MCD_GFX, h_scfx),
-       mee_onoff_h("Better sync (slow)",   MA_CDOPT_BETTER_SYNC,   PicoOpt, POPT_EN_MCD_PSYNC, h_bsync),
-       mee_end,
-};
-
-static int menu_loop_cd_options(int id, int keys)
-{
-       static int sel = 0;
-       me_loop(e_menu_cd_options, &sel);
-       return 0;
-}
-
-// ------------ 32X options menu ------------
-
-#ifndef NO_32X
-
-// convert from multiplier of VClk
-static int mh_opt_sh2cycles(int id, int keys)
-{
-       int *mul = (id == MA_32XOPT_MSH2_CYCLES) ? &p32x_msh2_multiplier : &p32x_ssh2_multiplier;
-
-       if (keys & (PBTN_LEFT|PBTN_RIGHT))
-               *mul += (keys & PBTN_LEFT) ? -10 : 10;
-       if (keys & (PBTN_L|PBTN_R))
-               *mul += (keys & PBTN_L) ? -100 : 100;
-
-       if (*mul < 1)
-               *mul = 1;
-       else if (*mul > (10 << SH2_MULTI_SHIFT))
-               *mul = 10 << SH2_MULTI_SHIFT;
-
-       return 0;
-}
-
-static const char *mgn_opt_sh2cycles(int id, int *offs)
-{
-       int mul = (id == MA_32XOPT_MSH2_CYCLES) ? p32x_msh2_multiplier : p32x_ssh2_multiplier;
-       
-       sprintf(static_buff, "%d", 7670 * mul >> SH2_MULTI_SHIFT);
-       return static_buff;
-}
-
-static const char h_32x_enable[] = "Enable emulation of the 32X addon";
-static const char h_pwm[]        = "Disabling may improve performance, but break sound";
-static const char h_sh2cycles[]  = "Cycles/millisecond (similar to DOSBox)\n"
-                                  "lower values speed up emulation but break games\n"
-                                  "at least 11000 recommended for compatibility";
-
-static menu_entry e_menu_32x_options[] =
-{
-       mee_onoff_h   ("32X enabled",       MA_32XOPT_ENABLE_32X,  PicoOpt, POPT_EN_32X, h_32x_enable),
-       mee_enum      ("32X renderer",      MA_32XOPT_RENDERER,    currentConfig.renderer32x, renderer_names32x),
-       mee_onoff_h   ("PWM sound",         MA_32XOPT_PWM,         PicoOpt, POPT_EN_PWM, h_pwm),
-       mee_cust_h    ("Master SH2 cycles", MA_32XOPT_MSH2_CYCLES, mh_opt_sh2cycles, mgn_opt_sh2cycles, h_sh2cycles),
-       mee_cust_h    ("Slave SH2 cycles",  MA_32XOPT_SSH2_CYCLES, mh_opt_sh2cycles, mgn_opt_sh2cycles, h_sh2cycles),
-       mee_end,
-};
-
-static int menu_loop_32x_options(int id, int keys)
-{
-       static int sel = 0;
-
-       me_enable(e_menu_32x_options, MA_32XOPT_RENDERER, renderer_names32x[0] != NULL);
-       me_loop(e_menu_32x_options, &sel);
-
-       return 0;
-}
-
-#endif
-
-// ------------ adv options menu ------------
-
-static menu_entry e_menu_adv_options[] =
-{
-       mee_onoff     ("SRAM/BRAM saves",          MA_OPT_SRAM_STATES,    currentConfig.EmuOpt, EOPT_EN_SRAM),
-       mee_onoff     ("Disable sprite limit",     MA_OPT2_NO_SPRITE_LIM, PicoOpt, POPT_DIS_SPRITE_LIM),
-       mee_onoff     ("Emulate Z80",              MA_OPT2_ENABLE_Z80,    PicoOpt, POPT_EN_Z80),
-       mee_onoff     ("Emulate YM2612 (FM)",      MA_OPT2_ENABLE_YM2612, PicoOpt, POPT_EN_FM),
-       mee_onoff     ("Emulate SN76496 (PSG)",    MA_OPT2_ENABLE_SN76496,PicoOpt, POPT_EN_PSG),
-       mee_onoff     ("gzip savestates",          MA_OPT2_GZIP_STATES,   currentConfig.EmuOpt, EOPT_GZIP_SAVES),
-       mee_onoff     ("Don't save last used ROM", MA_OPT2_NO_LAST_ROM,   currentConfig.EmuOpt, EOPT_NO_AUTOSVCFG),
-       mee_onoff     ("Disable idle loop patching",MA_OPT2_NO_IDLE_LOOPS,PicoOpt, POPT_DIS_IDLE_DET),
-       mee_onoff     ("Disable frame limiter",    MA_OPT2_NO_FRAME_LIMIT,currentConfig.EmuOpt, EOPT_NO_FRMLIMIT),
-       MENU_OPTIONS_ADV
-       mee_end,
-};
-
-static int menu_loop_adv_options(int id, int keys)
-{
-       static int sel = 0;
-       me_loop(e_menu_adv_options, &sel);
-       return 0;
-}
-
-// ------------ gfx options menu ------------
-
-static menu_entry e_menu_gfx_options[] =
-{
-       mee_enum("Renderer", MA_OPT_RENDERER, currentConfig.renderer, renderer_names),
-       MENU_OPTIONS_GFX
-       mee_end,
-};
-
-static int menu_loop_gfx_options(int id, int keys)
-{
-       static int sel = 0;
-
-       me_enable(e_menu_gfx_options, MA_OPT_RENDERER, renderer_names[0] != NULL);
-       me_loop(e_menu_gfx_options, &sel);
-
-       return 0;
-}
-
-// ------------ options menu ------------
-
-static menu_entry e_menu_options[];
-
-static int sndrate_prevnext(int rate, int dir)
-{
-       static const int rates[] = { 8000, 11025, 16000, 22050, 44100 };
-       int i;
-
-       for (i = 0; i < 5; i++)
-               if (rates[i] == rate) break;
-
-       i += dir ? 1 : -1;
-       if (i > 4) {
-               if (!(PicoOpt & POPT_EN_STEREO)) {
-                       PicoOpt |= POPT_EN_STEREO;
-                       return rates[0];
-               }
-               return rates[4];
-       }
-       if (i < 0) {
-               if (PicoOpt & POPT_EN_STEREO) {
-                       PicoOpt &= ~POPT_EN_STEREO;
-                       return rates[4];
-               }
-               return rates[0];
-       }
-       return rates[i];
-}
-
-static void region_prevnext(int right)
-{
-       // jp_ntsc=1, jp_pal=2, usa=4, eu=8
-       static const int rgn_orders[] = { 0x148, 0x184, 0x814, 0x418, 0x841, 0x481 };
-       int i;
-
-       if (right) {
-               if (!PicoRegionOverride) {
-                       for (i = 0; i < 6; i++)
-                               if (rgn_orders[i] == PicoAutoRgnOrder) break;
-                       if (i < 5) PicoAutoRgnOrder = rgn_orders[i+1];
-                       else PicoRegionOverride=1;
-               }
-               else
-                       PicoRegionOverride <<= 1;
-               if (PicoRegionOverride > 8)
-                       PicoRegionOverride = 8;
-       } else {
-               if (!PicoRegionOverride) {
-                       for (i = 0; i < 6; i++)
-                               if (rgn_orders[i] == PicoAutoRgnOrder) break;
-                       if (i > 0) PicoAutoRgnOrder = rgn_orders[i-1];
-               }
-               else
-                       PicoRegionOverride >>= 1;
-       }
-}
-
-static int mh_opt_misc(int id, int keys)
-{
-       switch (id) {
-       case MA_OPT_SOUND_QUALITY:
-               PsndRate = sndrate_prevnext(PsndRate, keys & PBTN_RIGHT);
-               break;
-       case MA_OPT_REGION:
-               region_prevnext(keys & PBTN_RIGHT);
-               break;
-       default:
-               break;
-       }
-       return 0;
-}
-
-static int mh_saveloadcfg(int id, int keys)
-{
-       int ret;
-
-       if (keys & (PBTN_LEFT|PBTN_RIGHT)) { // multi choice
-               config_slot += (keys & PBTN_LEFT) ? -1 : 1;
-               if (config_slot < 0) config_slot = 9;
-               else if (config_slot > 9) config_slot = 0;
-               me_enable(e_menu_options, MA_OPT_LOADCFG, config_slot != config_slot_current);
-               return 0;
-       }
-
-       switch (id) {
-       case MA_OPT_SAVECFG:
-       case MA_OPT_SAVECFG_GAME:
-               if (emu_write_config(id == MA_OPT_SAVECFG_GAME ? 1 : 0))
-                       me_update_msg("config saved");
-               else
-                       me_update_msg("failed to write config");
-               break;
-       case MA_OPT_LOADCFG:
-               ret = emu_read_config(rom_fname_loaded, 1);
-               if (!ret) ret = emu_read_config(NULL, 1);
-               if (ret)  me_update_msg("config loaded");
-               else      me_update_msg("failed to load config");
-               break;
-       default:
-               return 0;
-       }
-
-       return 1;
-}
-
-static int mh_restore_defaults(int id, int keys)
-{
-       emu_set_defconfig();
-       me_update_msg("defaults restored");
-       return 1;
-}
-
-static const char *mgn_opt_fskip(int id, int *offs)
-{
-       if (currentConfig.Frameskip < 0)
-               return "Auto";
-       sprintf(static_buff, "%d", currentConfig.Frameskip);
-       return static_buff;
-}
-
-static const char *mgn_opt_sound(int id, int *offs)
-{
-       const char *str2;
-       *offs = -8;
-       str2 = (PicoOpt & POPT_EN_STEREO) ? "stereo" : "mono";
-       sprintf(static_buff, "%5iHz %s", PsndRate, str2);
-       return static_buff;
-}
-
-static const char *mgn_opt_region(int id, int *offs)
-{
-       static const char *names[] = { "Auto", "      Japan NTSC", "      Japan PAL", "      USA", "      Europe" };
-       static const char *names_short[] = { "", " JP", " JP", " US", " EU" };
-       int code = PicoRegionOverride;
-       int u, i = 0;
-
-       *offs = -6;
-       if (code) {
-               code <<= 1;
-               while ((code >>= 1)) i++;
-               if (i > 4)
-                       return "unknown";
-               return names[i];
-       } else {
-               strcpy(static_buff, "Auto:");
-               for (u = 0; u < 3; u++) {
-                       code = (PicoAutoRgnOrder >> u*4) & 0xf;
-                       for (i = 0; code; code >>= 1, i++)
-                               ;
-                       strcat(static_buff, names_short[i]);
-               }
-               return static_buff;
-       }
-}
-
-static const char *mgn_saveloadcfg(int id, int *offs)
-{
-       static_buff[0] = 0;
-       if (config_slot != 0)
-               sprintf(static_buff, "[%i]", config_slot);
-       return static_buff;
-}
-
-static const char *men_confirm_save[] = { "OFF", "writes", "loads", "both", NULL };
-static const char h_confirm_save[]    = "Ask for confirmation when overwriting save,\n"
-                                       "loading state or both";
-
-static menu_entry e_menu_options[] =
-{
-       mee_range     ("Save slot",                MA_OPT_SAVE_SLOT,     state_slot, 0, 9),
-       mee_range_cust("Frameskip",                MA_OPT_FRAMESKIP,     currentConfig.Frameskip, -1, 16, mgn_opt_fskip),
-       mee_cust      ("Region",                   MA_OPT_REGION,        mh_opt_misc, mgn_opt_region),
-       mee_onoff     ("Show FPS",                 MA_OPT_SHOW_FPS,      currentConfig.EmuOpt, EOPT_SHOW_FPS),
-       mee_onoff     ("Enable sound",             MA_OPT_ENABLE_SOUND,  currentConfig.EmuOpt, EOPT_EN_SOUND),
-       mee_cust      ("Sound Quality",            MA_OPT_SOUND_QUALITY, mh_opt_misc, mgn_opt_sound),
-       mee_enum_h    ("Confirm savestate",        MA_OPT_CONFIRM_STATES,currentConfig.confirm_save, men_confirm_save, h_confirm_save),
-       mee_range     ("",                         MA_OPT_CPU_CLOCKS,    currentConfig.CPUclock, 20, 1200),
-       mee_handler   ("[Display options]",        menu_loop_gfx_options),
-       mee_handler   ("[Sega/Mega CD options]",   menu_loop_cd_options),
-#ifndef NO_32X
-       mee_handler   ("[32X options]",            menu_loop_32x_options),
-#endif
-       mee_handler   ("[Advanced options]",       menu_loop_adv_options),
-       mee_cust_nosave("Save global config",      MA_OPT_SAVECFG, mh_saveloadcfg, mgn_saveloadcfg),
-       mee_cust_nosave("Save cfg for loaded game",MA_OPT_SAVECFG_GAME, mh_saveloadcfg, mgn_saveloadcfg),
-       mee_cust_nosave("Load cfg from profile",   MA_OPT_LOADCFG, mh_saveloadcfg, mgn_saveloadcfg),
-       mee_handler   ("Restore defaults",         mh_restore_defaults),
-       mee_end,
-};
-
-static int menu_loop_options(int id, int keys)
-{
-       static int sel = 0;
-       int i;
-
-       i = me_id2offset(e_menu_options, MA_OPT_CPU_CLOCKS);
-       e_menu_options[i].enabled = e_menu_options[i].name[0] ? 1 : 0;
-       me_enable(e_menu_options, MA_OPT_SAVECFG_GAME, rom_loaded);
-       me_enable(e_menu_options, MA_OPT_LOADCFG, config_slot != config_slot_current);
-
-       me_loop(e_menu_options, &sel);
-
-       return 0;
-}
-
-// ------------ debug menu ------------
-
-#include <pico/debug.h>
-
-extern void SekStepM68k(void);
-
-static void mplayer_loop(void)
-{
-       pemu_sound_start();
-
-       while (1)
-       {
-               PDebugZ80Frame();
-               if (in_menu_wait_any(NULL, 0) & PBTN_MA3)
-                       break;
-               pemu_sound_wait();
-       }
-
-       pemu_sound_stop();
-}
-
-static void draw_text_debug(const char *str, int skip, int from)
-{
-       const char *p;
-       int line;
-
-       p = str;
-       while (skip-- > 0)
-       {
-               while (*p && *p != '\n')
-                       p++;
-               if (*p == 0 || p[1] == 0)
-                       return;
-               p++;
-       }
-
-       str = p;
-       for (line = from; line < g_menuscreen_h / me_sfont_h; line++)
-       {
-               smalltext_out16(1, line * me_sfont_h, str, 0xffff);
-               while (*p && *p != '\n')
-                       p++;
-               if (*p == 0)
-                       break;
-               p++; str = p;
-       }
-}
-
-#ifdef __GNUC__
-#define COMPILER "gcc " __VERSION__
-#else
-#define COMPILER
-#endif
-
-static void draw_frame_debug(void)
-{
-       char layer_str[48] = "layers:                   ";
-       if (PicoDrawMask & PDRAW_LAYERB_ON)      memcpy(layer_str +  8, "B", 1);
-       if (PicoDrawMask & PDRAW_LAYERA_ON)      memcpy(layer_str + 10, "A", 1);
-       if (PicoDrawMask & PDRAW_SPRITES_LOW_ON) memcpy(layer_str + 12, "spr_lo", 6);
-       if (PicoDrawMask & PDRAW_SPRITES_HI_ON)  memcpy(layer_str + 19, "spr_hi", 6);
-       if (PicoDrawMask & PDRAW_32X_ON)         memcpy(layer_str + 26, "32x", 4);
-
-       pemu_forced_frame(1, 0);
-       memcpy(g_menuscreen_ptr, g_menubg_src_ptr, g_menuscreen_w * g_menuscreen_h * 2);
-       smalltext_out16(4, 1, "build: r" REVISION "  "__DATE__ " " __TIME__ " " COMPILER, 0xffff);
-       smalltext_out16(4, g_menuscreen_h - me_sfont_h, layer_str, 0xffff);
-}
-
-static void debug_menu_loop(void)
-{
-       int inp, mode = 0;
-       int spr_offs = 0, dumped = 0;
-       char *tmp;
-
-       while (1)
-       {
-               menu_draw_begin(1);
-               switch (mode)
-               {
-                       case 0: tmp = PDebugMain();
-                               plat_debug_cat(tmp);
-                               draw_text_debug(tmp, 0, 0);
-                               if (dumped) {
-                                       smalltext_out16(g_menuscreen_w - 6 * me_sfont_h,
-                                               g_menuscreen_h - me_mfont_h, "dumped", 0xffff);
-                                       dumped = 0;
-                               }
-                               break;
-                       case 1: draw_frame_debug();
-                               break;
-                       case 2: pemu_forced_frame(1, 0);
-                               menu_darken_bg(g_menuscreen_ptr, g_menubg_src_ptr, g_menuscreen_w * g_menuscreen_h, 0);
-                               PDebugShowSpriteStats((unsigned short *)g_menuscreen_ptr + (g_menuscreen_h/2 - 240/2)*g_menuscreen_w +
-                                       g_menuscreen_w/2 - 320/2, g_menuscreen_w);
-                               break;
-                       case 3: memset(g_menuscreen_ptr, 0, g_menuscreen_w * g_menuscreen_h * 2);
-                               PDebugShowPalette(g_menuscreen_ptr, g_menuscreen_w);
-                               PDebugShowSprite((unsigned short *)g_menuscreen_ptr + g_menuscreen_w*120 + g_menuscreen_w/2 + 16,
-                                       g_menuscreen_w, spr_offs);
-                               draw_text_debug(PDebugSpriteList(), spr_offs, 6);
-                               break;
-                       case 4: tmp = PDebug32x();
-                               draw_text_debug(tmp, 0, 0);
-                               break;
-               }
-               menu_draw_end();
-
-               inp = in_menu_wait(PBTN_MOK|PBTN_MBACK|PBTN_MA2|PBTN_MA3|PBTN_L|PBTN_R |
-                                       PBTN_UP|PBTN_DOWN|PBTN_LEFT|PBTN_RIGHT, NULL, 70);
-               if (inp & PBTN_MBACK) return;
-               if (inp & PBTN_L) { mode--; if (mode < 0) mode = 4; }
-               if (inp & PBTN_R) { mode++; if (mode > 4) mode = 0; }
-               switch (mode)
-               {
-                       case 0:
-                               if (inp & PBTN_MOK)
-                                       PDebugCPUStep();
-                               if (inp & PBTN_MA3) {
-                                       while (inp & PBTN_MA3)
-                                               inp = in_menu_wait_any(NULL, -1);
-                                       mplayer_loop();
-                               }
-                               if ((inp & (PBTN_MA2|PBTN_LEFT)) == (PBTN_MA2|PBTN_LEFT)) {
-                                       mkdir("dumps", 0777);
-                                       PDebugDumpMem();
-                                       while (inp & PBTN_MA2) inp = in_menu_wait_any(NULL, -1);
-                                       dumped = 1;
-                               }
-                               break;
-                       case 1:
-                               if (inp & PBTN_LEFT)  PicoDrawMask ^= PDRAW_LAYERB_ON;
-                               if (inp & PBTN_RIGHT) PicoDrawMask ^= PDRAW_LAYERA_ON;
-                               if (inp & PBTN_DOWN)  PicoDrawMask ^= PDRAW_SPRITES_LOW_ON;
-                               if (inp & PBTN_UP)    PicoDrawMask ^= PDRAW_SPRITES_HI_ON;
-                               if (inp & PBTN_MA2)   PicoDrawMask ^= PDRAW_32X_ON;
-                               if (inp & PBTN_MOK) {
-                                       PsndOut = NULL; // just in case
-                                       PicoSkipFrame = 1;
-                                       PicoFrame();
-                                       PicoSkipFrame = 0;
-                                       while (inp & PBTN_MOK) inp = in_menu_wait_any(NULL, -1);
-                               }
-                               break;
-                       case 3:
-                               if (inp & PBTN_DOWN)  spr_offs++;
-                               if (inp & PBTN_UP)    spr_offs--;
-                               if (spr_offs < 0) spr_offs = 0;
-                               break;
-               }
-       }
-}
-
-// ------------ main menu ------------
-
-static const char credits[] =
-       "PicoDrive v" VERSION " (c) notaz, 2006-2011\n\n\n"
-       "Credits:\n"
-       "fDave: Cyclone 68000 core,\n"
-       "      base code of PicoDrive\n"
-       "Reesy & FluBBa: DrZ80 core\n"
-       "MAME devs: YM2612 and SN76496 cores\n"
-       "Inder, ketchupgun: graphics\n"
-#ifdef __GP2X__
-       "rlyeh and others: minimal SDK\n"
-       "Squidge: mmuhack\n"
-       "Dzz: ARM940 sample\n"
-#endif
-       "\n"
-       "special thanks (for docs, ideas):\n"
-       " Charles MacDonald, Haze,\n"
-       " Stephane Dallongeville,\n"
-       " Lordus, Exophase, Rokas,\n"
-       " Nemesis, Tasco Deluxe";
-
-static char *romsel_run(void)
-{
-       char *ret, *sel_name;
-
-       sel_name = malloc(sizeof(rom_fname_loaded));
-       if (sel_name == NULL)
-               return NULL;
-       strcpy(sel_name, rom_fname_loaded);
-
-       ret = menu_loop_romsel(sel_name, sizeof(rom_fname_loaded));
-       free(sel_name);
-       return ret;
-}
-
-static int main_menu_handler(int id, int keys)
-{
-       char *ret_name;
-
-       switch (id)
-       {
-       case MA_MAIN_RESUME_GAME:
-               if (rom_loaded)
-                       return 1;
-               break;
-       case MA_MAIN_SAVE_STATE:
-               if (rom_loaded)
-                       return menu_loop_savestate(0);
-               break;
-       case MA_MAIN_LOAD_STATE:
-               if (rom_loaded)
-                       return menu_loop_savestate(1);
-               break;
-       case MA_MAIN_RESET_GAME:
-               if (rom_loaded) {
-                       emu_reset_game();
-                       return 1;
-               }
-               break;
-       case MA_MAIN_LOAD_ROM:
-               ret_name = romsel_run();
-               if (ret_name != NULL) {
-                       lprintf("selected file: %s\n", ret_name);
-                       engineState = PGS_ReloadRom;
-                       return 1;
-               }
-               break;
-       case MA_MAIN_CREDITS:
-               draw_menu_message(credits, NULL);
-               in_menu_wait(PBTN_MOK|PBTN_MBACK, NULL, 70);
-               break;
-       case MA_MAIN_EXIT:
-               engineState = PGS_Quit;
-               return 1;
-       case MA_MAIN_PATCHES:
-               if (rom_loaded && PicoPatches) {
-                       menu_loop_patches();
-                       PicoPatchApply();
-                       me_update_msg("Patches applied");
-               }
-               break;
-       default:
-               lprintf("%s: something unknown selected\n", __FUNCTION__);
-               break;
-       }
-
-       return 0;
-}
-
-static menu_entry e_menu_main[] =
-{
-       mee_label     ("PicoDrive " VERSION),
-       mee_label     (""),
-       mee_label     (""),
-       mee_label     (""),
-       mee_handler_id("Resume game",        MA_MAIN_RESUME_GAME, main_menu_handler),
-       mee_handler_id("Save State",         MA_MAIN_SAVE_STATE,  main_menu_handler),
-       mee_handler_id("Load State",         MA_MAIN_LOAD_STATE,  main_menu_handler),
-       mee_handler_id("Reset game",         MA_MAIN_RESET_GAME,  main_menu_handler),
-       mee_handler_id("Load new ROM/ISO",   MA_MAIN_LOAD_ROM,    main_menu_handler),
-       mee_handler   ("Change options",                          menu_loop_options),
-       mee_handler   ("Configure controls",                      menu_loop_keyconfig),
-       mee_handler_id("Credits",            MA_MAIN_CREDITS,     main_menu_handler),
-       mee_handler_id("Patches / GameGenie",MA_MAIN_PATCHES,     main_menu_handler),
-       mee_handler_id("Exit",               MA_MAIN_EXIT,        main_menu_handler),
-       mee_end,
-};
-
-void menu_loop(void)
-{
-       static int sel = 0;
-
-       me_enable(e_menu_main, MA_MAIN_RESUME_GAME, rom_loaded);
-       me_enable(e_menu_main, MA_MAIN_SAVE_STATE,  rom_loaded);
-       me_enable(e_menu_main, MA_MAIN_LOAD_STATE,  rom_loaded);
-       me_enable(e_menu_main, MA_MAIN_RESET_GAME,  rom_loaded);
-       me_enable(e_menu_main, MA_MAIN_PATCHES, PicoPatches != NULL);
-
-       menu_enter(rom_loaded);
-       in_set_config_int(0, IN_CFG_BLOCKING, 1);
-       me_loop_d(e_menu_main, &sel, NULL, menu_main_plat_draw);
-
-       if (rom_loaded) {
-               if (engineState == PGS_Menu)
-                       engineState = PGS_Running;
-               /* wait until menu, ok, back is released */
-               while (in_menu_wait_any(NULL, 50) & (PBTN_MENU|PBTN_MOK|PBTN_MBACK))
-                       ;
-       }
-
-       in_set_config_int(0, IN_CFG_BLOCKING, 0);
-}
-
-// --------- CD tray close menu ----------
-
-static int mh_tray_load_cd(int id, int keys)
-{
-       char *ret_name;
-
-       ret_name = romsel_run();
-       if (ret_name == NULL)
-               return 0;
-
-       engineState = PGS_RestartRun;
-       return emu_swap_cd(ret_name);
-}
-
-static int mh_tray_nothing(int id, int keys)
-{
-       return 1;
-}
-
-static menu_entry e_menu_tray[] =
-{
-       mee_label  ("The CD tray has opened."),
-       mee_label  (""),
-       mee_label  (""),
-       mee_handler("Load CD image",  mh_tray_load_cd),
-       mee_handler("Insert nothing", mh_tray_nothing),
-       mee_end,
-};
-
-int menu_loop_tray(void)
-{
-       int ret = 1, sel = 0;
-
-       menu_enter(rom_loaded);
-
-       in_set_config_int(0, IN_CFG_BLOCKING, 1);
-       me_loop(e_menu_tray, &sel);
-
-       if (engineState != PGS_RestartRun) {
-               engineState = PGS_RestartRun;
-               ret = 0; /* no CD inserted */
-       }
-
-       while (in_menu_wait_any(NULL, 50) & (PBTN_MENU|PBTN_MOK|PBTN_MBACK));
-       in_set_config_int(0, IN_CFG_BLOCKING, 0);
-
-       return ret;
-}
-
-void me_update_msg(const char *msg)
-{
-       strncpy(menu_error_msg, msg, sizeof(menu_error_msg));
-       menu_error_msg[sizeof(menu_error_msg) - 1] = 0;
-
-       menu_error_time = plat_get_ticks_ms();
-       lprintf("msg: %s\n", menu_error_msg);
-}
-
-// ------------ util ------------
-
-/* hidden options for config engine only */
-static menu_entry e_menu_hidden[] =
-{
-       mee_onoff("Accurate sprites", MA_OPT_ACC_SPRITES, PicoOpt, 0x080),
-       mee_end,
-};
-
-static menu_entry *e_menu_table[] =
-{
-       e_menu_options,
-       e_menu_gfx_options,
-       e_menu_adv_options,
-       e_menu_cd_options,
-#ifndef NO_32X
-       e_menu_32x_options,
-#endif
-       e_menu_keyconfig,
-       e_menu_hidden,
-};
-
-static menu_entry *me_list_table = NULL;
-static menu_entry *me_list_i = NULL;
-
-menu_entry *me_list_get_first(void)
-{
-       me_list_table = me_list_i = e_menu_table[0];
-       return me_list_i;
-}
-
-menu_entry *me_list_get_next(void)
-{
-       int i;
-
-       me_list_i++;
-       if (me_list_i->name != NULL)
-               return me_list_i;
-
-       for (i = 0; i < array_size(e_menu_table); i++)
-               if (me_list_table == e_menu_table[i])
-                       break;
-
-       if (i + 1 < array_size(e_menu_table))
-               me_list_table = me_list_i = e_menu_table[i + 1];
-       else
-               me_list_table = me_list_i = NULL;
-
-       return me_list_i;
-}
-