Begin work on menu for Wii.

.gitignore

@@ -1,4 +1,5 @@
 *.o
+*.bmpobj
 *.so
 *.dll
 /ssnes

Makefile.wii

@@ -9,6 +9,7 @@ DEBUG = 0
 
 CC = powerpc-eabi-gcc
 CXX = powerpc-eabi-g++
+LD = powerpc-eabi-ld
 
 DOL_TARGET := ssnes.dol
 ELF_TARGET := ssnes.elf
@@ -22,7 +23,7 @@ CXXFLAGS += -Wall -std=gnu99 $(MACHDEP) $(INCLUDE)
 LDFLAGS := $(MACHDEP)
 LIBS := -lfat -lsnes -lwiiuse -logc -lbte -lfreetype
 
-OBJ = wii/main.o fifo_buffer.o ssnes.o driver.o gfx/fonts.o file.o settings.o message.o rewind.o movie.o ups.o bps.o strl.o screenshot.o audio/hermite.o dynamic.o audio/utils.o conf/config_file.o wii/audio.o wii/input.o wii/video.o
+OBJ = wii/main.o fifo_buffer.o ssnes.o driver.o gfx/fonts.o file.o settings.o message.o rewind.o movie.o ups.o bps.o strl.o screenshot.o audio/hermite.o dynamic.o audio/utils.o conf/config_file.o wii/audio.o wii/input.o wii/video.o console/sgui.o console/list.o console/font.bmpobj
 
 CFLAGS += -std=gnu99 -DHAVE_CONFIGFILE=1 -DHAVE_GETOPT_LONG -DHAVE_FREETYPE -DPACKAGE_VERSION=\"0.9.3\" -Dmain=ssnes_main -Wno-char-subscripts
 
@@ -45,6 +46,9 @@ $(ELF_TARGET): $(OBJ)
 %.o: %.c
 	$(CC) $(CFLAGS) -c -o $@ $<
 
+%.bmpobj: %.bmp
+	$(LD) -r -b binary -o $@ $<
+
 clean:
 	rm -f $(DOL_TARGET)
 	rm -f $(ELF_TARGET)

console/list.c

@@ -0,0 +1,118 @@
+/*  SSNES - A Super Nintendo Entertainment System (SNES) Emulator frontend for libsnes.
+ *  Copyright (C) 2010-2011 - Hans-Kristian Arntzen
+ *
+ *  Some code herein may be based on code found in BSNES.
+ * 
+ *  SSNES is free software: you can redistribute it and/or modify it under the terms
+ *  of the GNU General Public License as published by the Free Software Found-
+ *  ation, either version 3 of the License, or (at your option) any later version.
+ *
+ *  SSNES is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+ *  without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+ *  PURPOSE.  See the GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License along with SSNES.
+ *  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "list.h"
+#include <stddef.h>
+#include <stdlib.h>
+#include <string.h>
+
+struct sgui_file
+{
+   char *path;
+   sgui_file_type_t type;
+};
+
+struct sgui_list
+{
+   struct sgui_file *list;
+
+   size_t capacity;
+   size_t ptr;
+};
+
+sgui_list_t *sgui_list_new(void)
+{
+   return (sgui_list_t*)calloc(1, sizeof(sgui_list_t));
+}
+
+bool sgui_list_empty(const sgui_list_t *list)
+{
+   return list->ptr == 0;
+}
+
+void sgui_list_push(sgui_list_t *list, const char *path, sgui_file_type_t type)
+{
+   if (list->ptr >= list->capacity)
+   {
+      list->capacity++;
+      list->capacity *= 2;
+      list->list = (struct sgui_file*)realloc(list->list, list->capacity * sizeof(struct sgui_file));
+   }
+
+   list->list[list->ptr].path = strdup(path);
+   list->list[list->ptr].type = type;
+   list->ptr++;
+}
+
+void sgui_list_pop(sgui_list_t *list)
+{
+   if (!sgui_list_empty(list))
+      free(list->list[--list->ptr].path);
+}
+
+void sgui_list_free(sgui_list_t *list)
+{
+   for (size_t i = 0; i < list->ptr; i++)
+      free(list->list[i].path);
+   free(list->list);
+   free(list);
+}
+
+void sgui_list_clear(sgui_list_t *list)
+{
+   for (size_t i = 0; i < list->ptr; i++)
+      free(list->list[i].path);
+   list->ptr = 0;
+}
+
+void sgui_list_back(const sgui_list_t *list,
+      const char **path, sgui_file_type_t *file_type)
+{
+   if (sgui_list_size(list) > 0)
+      sgui_list_at(list, sgui_list_size(list) - 1, path, file_type);
+}
+
+size_t sgui_list_size(const sgui_list_t *list)
+{
+   return list->ptr;
+}
+
+void sgui_list_at(const sgui_list_t *list, size_t index,
+      const char **path, sgui_file_type_t *file_type)
+{
+   if (path)
+      *path = list->list[index].path;
+   if (file_type)
+      *file_type = list->list[index].type;
+}
+
+static int list_comp(const void *a_, const void *b_)
+{
+   const struct sgui_file *a = (const struct sgui_file*)a_;
+   const struct sgui_file *b = (const struct sgui_file*)b_;
+
+   if (a->type != b->type)
+      return a->type == SGUI_FILE_DIRECTORY ? -1 : 1;
+
+   return strcmp(a->path, b->path);
+}
+
+void sgui_list_sort(sgui_list_t *list)
+{
+   qsort(list->list, list->ptr, sizeof(struct sgui_file), list_comp);
+}
+

console/list.h

@@ -0,0 +1,34 @@
+#ifndef SGUI_LIST_H__
+#define SGUI_LIST_H__
+
+#include "sgui.h"
+#include <stddef.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef struct sgui_list sgui_list_t;
+
+sgui_list_t *sgui_list_new(void);
+void sgui_list_free(sgui_list_t *list);
+
+void sgui_list_push(sgui_list_t *list, const char *path, sgui_file_type_t type);
+void sgui_list_pop(sgui_list_t *list);
+void sgui_list_clear(sgui_list_t *list);
+
+bool sgui_list_empty(const sgui_list_t *list);
+void sgui_list_back(const sgui_list_t *list,
+      const char **path, sgui_file_type_t *type);
+
+size_t sgui_list_size(const sgui_list_t *list);
+void sgui_list_at(const sgui_list_t *list, size_t index,
+      const char **path, sgui_file_type_t *type);
+
+void sgui_list_sort(sgui_list_t *list);
+
+#ifdef __cplusplus
+}
+#endif
+#endif
+

console/sgui.c

@@ -0,0 +1,308 @@
+/*  SSNES - A Super Nintendo Entertainment System (SNES) Emulator frontend for libsnes.
+ *  Copyright (C) 2010-2011 - Hans-Kristian Arntzen
+ *
+ *  Some code herein may be based on code found in BSNES.
+ * 
+ *  SSNES is free software: you can redistribute it and/or modify it under the terms
+ *  of the GNU General Public License as published by the Free Software Found-
+ *  ation, either version 3 of the License, or (at your option) any later version.
+ *
+ *  SSNES is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+ *  without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+ *  PURPOSE.  See the GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License along with SSNES.
+ *  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "sgui.h"
+#include "list.h"
+#include <stdlib.h>
+#include <stddef.h>
+#include <stdio.h>
+#include <string.h>
+#include <limits.h>
+
+#define FONT_WIDTH 5
+#define FONT_HEIGHT 10
+#define FONT_WIDTH_STRIDE (FONT_WIDTH + 1)
+#define FONT_HEIGHT_STRIDE (FONT_HEIGHT + 1)
+
+#define TERM_WIDTH (((SGUI_WIDTH - 30) / (FONT_WIDTH_STRIDE)))
+#define TERM_HEIGHT (((SGUI_HEIGHT - 30) / (FONT_HEIGHT_STRIDE)))
+#define TERM_START_X 15
+#define TERM_START_Y 15
+
+struct sgui_handle
+{
+   uint16_t *frame_buf;
+   size_t frame_buf_pitch;
+   const uint8_t *font_buf;
+
+   sgui_folder_enum_cb_t folder_cb;
+   void *userdata;
+
+   sgui_list_t *path_stack;
+   sgui_list_t *folder_buf;
+   size_t directory_ptr;
+   bool need_refresh;
+
+   char path_buf[PATH_MAX];
+
+   uint16_t font_white[256][FONT_HEIGHT][FONT_WIDTH];
+   uint16_t font_green[256][FONT_HEIGHT][FONT_WIDTH];
+};
+
+static void copy_glyph(uint16_t glyph_white[FONT_HEIGHT][FONT_WIDTH],
+      uint16_t glyph_green[FONT_HEIGHT][FONT_WIDTH],
+      const uint8_t *buf)
+{
+   for (int y = 0; y < FONT_HEIGHT; y++)
+   {
+      for (int x = 0; x < FONT_WIDTH; x++)
+      {
+         uint32_t col =
+            ((uint32_t)buf[3 * (-y * 256 + x) + 0] << 0) |
+            ((uint32_t)buf[3 * (-y * 256 + x) + 1] << 8) |
+            ((uint32_t)buf[3 * (-y * 256 + x) + 2] << 16);
+
+         glyph_white[y][x] = col == 0xff ? 0 : 0x7fff;
+         glyph_green[y][x] = col == 0xff ? 0 : (5 << 10) | (20 << 5) | (5 << 0);
+      }
+   }
+}
+
+static void init_font(sgui_handle_t *sgui, const char *path)
+{
+   for (unsigned i = 0; i < 256; i++)
+   {
+      unsigned y = i / 16;
+      unsigned x = i % 16;
+      copy_glyph(sgui->font_white[i],
+            sgui->font_green[i],
+            sgui->font_buf + 54 + 3 * (256 * (255 - 16 * y) + 16 * x));
+   }
+}
+
+sgui_handle_t *sgui_init(const char *base_path,
+      uint16_t *buf, size_t buf_pitch,
+      const uint8_t *font_buf,
+      sgui_folder_enum_cb_t folder_cb, void *userdata)
+{
+   sgui_handle_t *sgui = (sgui_handle_t*)calloc(1, sizeof(*sgui));
+
+   sgui->frame_buf = buf;
+   sgui->frame_buf_pitch = buf_pitch;
+   sgui->font_buf = font_buf;
+
+   sgui->folder_cb = folder_cb;
+   sgui->userdata = userdata;
+
+   sgui->path_stack = sgui_list_new();
+   sgui->folder_buf = sgui_list_new();
+   sgui_list_push(sgui->path_stack, base_path, SGUI_FILE_DIRECTORY);
+
+   init_font(sgui, "font.bmp");
+
+   return sgui;
+}
+
+void sgui_free(sgui_handle_t *sgui)
+{
+   sgui_list_free(sgui->path_stack);
+   sgui_list_free(sgui->folder_buf);
+   free(sgui);
+}
+
+static uint16_t gray_filler(unsigned x, unsigned y)
+{
+   uint16_t col = ((x + y) & 1) + 2;
+   return (col << 0) | (col << 5) | (col << 10);
+}
+
+static uint16_t green_filler(unsigned x, unsigned y)
+{
+   uint16_t col = ((x + y) & 1) + 2;
+   return (col << 0) | (col << 6) | (col << 10);
+}
+
+static void fill_rect(uint16_t *buf, unsigned pitch,
+      unsigned x, unsigned y,
+      unsigned width, unsigned height,
+      uint16_t (*col)(unsigned x, unsigned y))
+{
+   for (unsigned j = y; j < y + height; j++)
+      for (unsigned i = x; i < x + width; i++)
+         buf[j * (pitch >> 1) + i] = col(i, j);
+}
+
+static void blit_line(sgui_handle_t *sgui,
+      unsigned x, unsigned y, const char *message, bool green)
+{
+   while (*message)
+   {
+      for (unsigned j = 0; j < FONT_HEIGHT; j++)
+      {
+         for (unsigned i = 0; i < FONT_WIDTH; i++)
+         {
+            uint16_t col = green ? 
+               sgui->font_green[(unsigned char)*message][j][i] :
+               sgui->font_white[(unsigned char)*message][j][i];
+
+            if (col)
+               sgui->frame_buf[(y + j) * (sgui->frame_buf_pitch >> 1) + (x + i)] = col;
+         }
+      }
+
+      x += FONT_WIDTH_STRIDE;
+      message++;
+   }
+}
+
+static void render_text(sgui_handle_t *sgui, size_t begin, size_t end)
+{
+   fill_rect(sgui->frame_buf, sgui->frame_buf_pitch,
+         0, 0, SGUI_WIDTH, SGUI_HEIGHT, gray_filler);
+
+   fill_rect(sgui->frame_buf, sgui->frame_buf_pitch,
+         5, 5, SGUI_WIDTH - 10, 5, green_filler);
+
+   fill_rect(sgui->frame_buf, sgui->frame_buf_pitch,
+         5, SGUI_HEIGHT - 10, SGUI_WIDTH - 10, 5, green_filler);
+
+   fill_rect(sgui->frame_buf, sgui->frame_buf_pitch,
+         5, 5, 5, SGUI_HEIGHT - 10, green_filler);
+
+   fill_rect(sgui->frame_buf, sgui->frame_buf_pitch,
+         SGUI_WIDTH - 10, 5, 5, SGUI_HEIGHT - 10, green_filler);
+
+   unsigned x = TERM_START_X;
+   unsigned y = TERM_START_Y;
+
+   for (size_t i = begin; i < end; i++, y += FONT_HEIGHT_STRIDE)
+   {
+      const char *path;
+      sgui_file_type_t type;
+      sgui_list_at(sgui->folder_buf, i, &path, &type);
+
+      char message[TERM_WIDTH + 1];
+      snprintf(message, sizeof(message), "%c %-*s %6s\n",
+            i == sgui->directory_ptr ? '>' : ' ',
+            TERM_WIDTH - (6 + 1 + 2),
+            path,
+            type == SGUI_FILE_PLAIN ? "(FILE)" : "(DIR)");
+
+      blit_line(sgui, x, y, message, i == sgui->directory_ptr);
+   }
+}
+
+const char *sgui_iterate(sgui_handle_t *sgui, sgui_action_t action)
+{
+   switch (action)
+   {
+      case SGUI_ACTION_UP:
+         if (sgui->directory_ptr > 0)
+            sgui->directory_ptr--;
+         break;
+
+      case SGUI_ACTION_DOWN:
+         if (sgui->directory_ptr + 1 < sgui_list_size(sgui->folder_buf))
+            sgui->directory_ptr++;
+         break;
+
+      case SGUI_ACTION_LEFT:
+      case SGUI_ACTION_CANCEL:
+         if (sgui_list_size(sgui->path_stack) > 1)
+         {
+            sgui_list_pop(sgui->path_stack);
+            sgui->need_refresh = true;
+         }
+         break;
+
+      case SGUI_ACTION_RIGHT:
+      case SGUI_ACTION_OK:
+      {
+         if (sgui_list_size(sgui->folder_buf) == 0)
+            return NULL;
+
+         const char *path = NULL;
+         sgui_file_type_t type = SGUI_FILE_PLAIN;
+         sgui_list_at(sgui->folder_buf, sgui->directory_ptr,
+               &path, &type);
+
+         const char *dir;
+         sgui_list_back(sgui->path_stack, &dir, NULL);
+
+         if (type == SGUI_FILE_DIRECTORY)
+         {
+            char cat_path[PATH_MAX];
+            snprintf(cat_path, sizeof(cat_path), "%s/%s",
+                  strcmp(dir, "/") == 0 ? "" : dir, path);
+
+            sgui_list_push(sgui->path_stack, cat_path, SGUI_FILE_DIRECTORY);
+            sgui->need_refresh = true;
+         }
+         else
+         {
+            snprintf(sgui->path_buf, sizeof(sgui->path_buf), "%s/%s",
+                  strcmp(dir, "/") == 0 ? "" : dir, path);
+            return sgui->path_buf;
+         }
+         break;
+      }
+
+      case SGUI_ACTION_REFRESH:
+         sgui->need_refresh = true;
+         break;
+
+      default:
+         return NULL;
+   }
+
+   if (sgui->need_refresh)
+   {
+      sgui->directory_ptr = 0;
+      sgui_list_clear(sgui->folder_buf);
+
+      const char *path = NULL;
+      sgui_list_back(sgui->path_stack, &path, NULL);
+
+      if (!sgui->folder_cb(path,
+            (sgui_file_enum_cb_t)sgui_list_push,
+            sgui->userdata, sgui->folder_buf))
+         return NULL;
+
+      sgui_list_sort(sgui->folder_buf);
+
+      sgui->need_refresh = false;
+   }
+
+   size_t begin = sgui->directory_ptr >= TERM_HEIGHT / 2 ?
+      sgui->directory_ptr - TERM_HEIGHT / 2 : 0;
+   size_t end = sgui->directory_ptr + TERM_HEIGHT <= sgui_list_size(sgui->folder_buf) ?
+      sgui->directory_ptr + TERM_HEIGHT : sgui_list_size(sgui->folder_buf);
+
+   if (end - begin > TERM_HEIGHT)
+      end = begin + TERM_HEIGHT;
+
+#if 0
+   printf("========================================\n");
+   for (size_t i = begin; i < end; i++)
+   {
+      const char *path;
+      sgui_file_type_t type;
+      sgui_list_at(sgui->folder_buf, i, &path, &type);
+
+      printf("%c %-50s %s\n",
+            i == sgui->directory_ptr ? '>' : ' ',
+            path,
+            type == SGUI_FILE_PLAIN ? "(FILE)" : "(DIR)");
+
+   }
+   printf("========================================\n");
+#endif
+
+   render_text(sgui, begin, end);
+   return NULL;
+}
+

console/sgui.h

@@ -0,0 +1,71 @@
+/*  SSNES - A Super Nintendo Entertainment System (SNES) Emulator frontend for libsnes.
+ *  Copyright (C) 2010-2011 - Hans-Kristian Arntzen
+ *
+ *  Some code herein may be based on code found in BSNES.
+ * 
+ *  SSNES is free software: you can redistribute it and/or modify it under the terms
+ *  of the GNU General Public License as published by the Free Software Found-
+ *  ation, either version 3 of the License, or (at your option) any later version.
+ *
+ *  SSNES is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+ *  without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+ *  PURPOSE.  See the GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License along with SSNES.
+ *  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef SGUI_H__
+#define SGUI_H__
+
+#include <stdint.h>
+#include <stddef.h>
+
+#ifndef __cplusplus
+#include <stdbool.h>
+#else
+extern "C" {
+#endif
+
+typedef enum
+{
+   SGUI_FILE_PLAIN,
+   SGUI_FILE_DIRECTORY
+} sgui_file_type_t;
+
+typedef enum
+{
+   SGUI_ACTION_UP,
+   SGUI_ACTION_DOWN,
+   SGUI_ACTION_LEFT,
+   SGUI_ACTION_RIGHT,
+   SGUI_ACTION_OK,
+   SGUI_ACTION_CANCEL,
+   SGUI_ACTION_REFRESH,
+   SGUI_ACTION_NOOP
+} sgui_action_t;
+
+typedef struct sgui_handle sgui_handle_t;
+
+typedef void (*sgui_file_enum_cb_t)(void *ctx, const char *path,
+      sgui_file_type_t file_type);
+typedef bool (*sgui_folder_enum_cb_t)(const char *directory,
+      sgui_file_enum_cb_t file_cb, void *userdata, void *ctx);
+
+#define SGUI_WIDTH 320
+#define SGUI_HEIGHT 240
+
+sgui_handle_t *sgui_init(const char *base_path,
+      uint16_t *framebuf, size_t framebuf_pitch,
+      const uint8_t *font_buf,
+      sgui_folder_enum_cb_t folder_cb, void *userdata);
+
+const char *sgui_iterate(sgui_handle_t *sgui, sgui_action_t action);
+
+void sgui_free(sgui_handle_t *sgui);
+
+#ifdef __cplusplus
+}
+#endif
+#endif
+

wii/driver.h

@@ -0,0 +1,28 @@
+/*  SSNES - A Super Nintendo Entertainment System (SNES) Emulator frontend for libsnes.
+ *  Copyright (C) 2010-2011 - Hans-Kristian Arntzen
+ *
+ *  Some code herein may be based on code found in BSNES.
+ * 
+ *  SSNES is free software: you can redistribute it and/or modify it under the terms
+ *  of the GNU General Public License as published by the Free Software Found-
+ *  ation, either version 3 of the License, or (at your option) any later version.
+ *
+ *  SSNES is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+ *  without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+ *  PURPOSE.  See the GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License along with SSNES.
+ *  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef WII_VIDEO_H__
+#define WII_VIDEO_H__
+
+void wii_video_init(void);
+void wii_video_deinit(void);
+
+void wii_input_init(void);
+void wii_input_deinit(void);
+
+#endif
+

wii/input.c

@@ -60,21 +60,21 @@ static void reset_callback(void)
    g_quit = true;
 }
 
-static void *wii_input_init(void)
+void wii_input_init(void)
 {
-   static bool inited = false;
-   if (!inited)
-   {
-      PAD_Init();
-      WPAD_Init();
-      SYS_SetResetCallback(reset_callback);
-      SYS_SetPowerCallback(reset_callback);
-      inited = true;
-   }
-
-   return (void*)-1;
+   PAD_Init();
+   WPAD_Init();
+   SYS_SetResetCallback(reset_callback);
+   SYS_SetPowerCallback(reset_callback);
 }
 
+void wii_input_deinit(void)
+{}
+
+static void *wii_input_initialize(void)
+{
+   return (void*)-1;
+}
 
 static void wii_input_poll(void *data)
 {
@@ -147,7 +147,7 @@ static bool wii_key_pressed(void *data, int key)
 }
 
 const input_driver_t input_wii = {
-   .init = wii_input_init,
+   .init = wii_input_initialize,
    .poll = wii_input_poll,
    .input_state = wii_input_state,
    .key_pressed = wii_key_pressed,

wii/main.c

@@ -17,23 +17,138 @@
 
 #undef main
 
+#include <stdbool.h>
+#include "../console/sgui.h"
+#include "../driver.h"
+#include "../general.h"
+#include "../libsnes.hpp"
+#include "driver.h"
+
 #include <stdlib.h>
 #include <stddef.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <string.h>
+#include <sys/stat.h>
+#include <unistd.h>
+#include <dirent.h>
+
 #include <sdcard/wiisd_io.h>
 #include <sdcard/gcsd.h>
 #include <fat.h>
-#include <stdio.h>
-#include "../driver.h"
+
+static uint16_t menu_framebuf[SGUI_WIDTH * SGUI_HEIGHT];
+
+static bool folder_cb(const char *directory, sgui_file_enum_cb_t file_cb,
+      void *userdata, void *ctx)
+{
+   (void)userdata;
+
+   if (!*directory)
+   {
+      file_cb(ctx, "sd:", SGUI_FILE_DIRECTORY);
+      return true;
+   }
+
+   DIR *dir = opendir(directory);
+   if (!dir)
+      return false;
+
+   struct dirent *entry;
+   while ((entry = readdir(dir)))
+   {
+      char stat_path[PATH_MAX];
+      snprintf(stat_path, sizeof(stat_path), "%s/%s", directory, entry->d_name);
+      struct stat st;
+      if (stat(stat_path, &st) < 0)
+         continue;
+
+      if (!S_ISDIR(st.st_mode) && !S_ISREG(st.st_mode))
+         continue;
+
+      file_cb(ctx,
+            entry->d_name, S_ISDIR(st.st_mode) ?
+            SGUI_FILE_DIRECTORY : SGUI_FILE_PLAIN);
+   }
+
+   closedir(dir);
+   return true;
+}
+
+static const char *get_rom_path(sgui_handle_t *sgui)
+{
+   uint16_t old_input_state = 0;
+   uint16_t input_state = 0;
+
+   for (;;)
+   {
+      input_wii.poll(NULL);
+
+      if (input_wii.key_pressed(NULL, SSNES_QUIT_KEY))
+         return NULL;
+
+      for (unsigned i = 0; i < SSNES_FIRST_META_KEY; i++)
+      {
+         input_state |= input_wii.input_state(NULL, NULL, false,
+               SNES_DEVICE_JOYPAD, 0, i) ? (1 << i) : 0;
+      }
+
+      uint16_t trigger_state = input_state & ~old_input_state;
+
+      sgui_action_t action = SGUI_ACTION_NOOP;
+      if (trigger_state & (1 << SNES_DEVICE_ID_JOYPAD_B))
+         action = SGUI_ACTION_CANCEL;
+      else if (trigger_state & (1 << SNES_DEVICE_ID_JOYPAD_A))
+         action = SGUI_ACTION_OK;
+      else if (trigger_state & (1 << SNES_DEVICE_ID_JOYPAD_UP))
+         action = SGUI_ACTION_UP;
+      else if (trigger_state & (1 << SNES_DEVICE_ID_JOYPAD_DOWN))
+         action = SGUI_ACTION_DOWN;
+
+      const char *ret = sgui_iterate(sgui, action);
+      if (ret)
+         return ret;
+
+      video_wii.frame(NULL, menu_framebuf,
+            SGUI_WIDTH, SGUI_HEIGHT,
+            SGUI_WIDTH * sizeof(uint16_t), NULL);
+
+      old_input_state = input_state;
+      ssnes_sleep(10);
+   }
+}
 
 int ssnes_main(int argc, char **argv);
 
+extern uint8_t _binary_console_font_bmp_start[];
+
 int main(void)
 {
-   char arg0[] = "ssnes";
-   char arg1[] = "sd:/MM2.nes";
-   char *argv[] = { arg0, arg1, NULL };
-
    fatInitDefault();
-   return ssnes_main(sizeof(argv) / sizeof(argv[0]) - 1, argv);
+
+   wii_video_init();
+   wii_input_init();
+
+   sgui_handle_t *sgui = sgui_init("",
+         menu_framebuf, SGUI_WIDTH * sizeof(uint16_t),
+         _binary_console_font_bmp_start, folder_cb, NULL);
+
+   const char *rom_path = get_rom_path(sgui);
+
+   int ret = 0;
+   if (rom_path)
+   {
+      char *argv[] = { strdup("ssnes"), strdup(rom_path), NULL };
+      ret = ssnes_main(sizeof(argv) / sizeof(argv[0]) - 1, argv);
+      free(argv[0]);
+      free(argv[1]);
+   }
+
+   wii_input_deinit();
+   wii_video_deinit();
+
+   sgui_free(sgui);
+
+   return ret;
 }
 

wii/video.c

@@ -17,6 +17,7 @@
 
 #include "../driver.h"
 #include "../general.h"
+#include "driver.h"
 #include <gccore.h>
 #include <ogcsys.h>
 #include <malloc.h>
@@ -146,8 +147,7 @@ static void build_disp_list(void)
    display_list_size = GX_EndDispList();
 }
 
-static void *wii_init(const video_info_t *video,
-      const input_driver_t **input, void **input_data)
+void wii_video_init(void)
 {
    VIDEO_Init();
    GXRModeObj *mode = VIDEO_GetPreferredMode(NULL);
@@ -160,6 +160,25 @@ static void *wii_init(const video_info_t *video,
 
    init_vtx(mode);
    build_disp_list();
+
+   g_filter = true;
+   g_vsync = true;
+}
+
+void wii_video_deinit(void)
+{
+   GX_AbortFrame();
+   GX_Flush();
+   VIDEO_SetBlack(true);
+   VIDEO_Flush();
+
+   for (unsigned i = 0; i < 3; i++)
+      free(MEM_K1_TO_K0(g_framebuf[i]));
+}
+
+static void *wii_init(const video_info_t *video,
+      const input_driver_t **input, void **input_data)
+{
    g_filter = video->smooth ? GX_LINEAR : GX_NEAR;
    g_vsync = video->vsync;
 
@@ -255,13 +274,6 @@ static bool wii_focus(void *data)
 static void wii_free(void *data)
 {
    (void)data;
-   GX_AbortFrame();
-   GX_Flush();
-   VIDEO_SetBlack(true);
-   VIDEO_Flush();
-
-   for (unsigned i = 0; i < 3; i++)
-      free(MEM_K1_TO_K0(g_framebuf[i]));
 }
 
 const video_driver_t video_wii = {