add another dex screen for region selection

data/pkmn_tables/icon_sprites.s

@@ -2,8 +2,8 @@
 .thumb
 .text
 
-.global icon_table
-icon_table:
+.global pokeicon_table
+pokeicon_table:
 
 .word icon_0000Tiles
 .word icon_0001Tiles

data/pkmn_tables/icons_paletten.s

@@ -2,8 +2,8 @@
 .text
 .thumb
 
-.global icon_palette_table
-icon_palette_table:
+.global pokeicon_pal_indices
+pokeicon_pal_indices:
 
 .byte 0
 .byte 1

g3headers

@@ -1 +1 @@
-Subproject commit 84ca130548672a7ba031b0bc621510fd88176fc0
+Subproject commit 51b88ad16c551b386614c2e6f7d41c1acd552d92

patches/pokemon_data/pokemon_icons.asm

@@ -1,43 +1,43 @@
 .org 0x08000138
-.word icon_table
+.word pokeicon_table
 
 .org 0x08097050
-.word icon_table
+.word pokeicon_table
 
 .org 0x083D4050
-.word icon_table
+.word pokeicon_table
 
 .org 0x0800013C
-.word icon_palette_table
+.word pokeicon_pal_indices
 
 .org 0x08091390
-//.word icon_palette_table
+//.word pokeicon_pal_indices
 /* NOTE: this is referencing the icon template, overriding this will break stuff, for now we do not need to modify the template */
 
 
 .org 0x08096EC0
-.word icon_palette_table
+.word pokeicon_pal_indices
 
 .org 0x08096F50
-.word icon_palette_table
+.word pokeicon_pal_indices
 
 .org 0x080970D8
-.word icon_palette_table
+.word pokeicon_pal_indices
 
 .org 0x0809710C
-.word icon_palette_table
+.word pokeicon_pal_indices
 
 .org 0x08097160
-.word icon_palette_table
+.word pokeicon_pal_indices
 
 .org 0x08097184
-.word icon_palette_table
+.word pokeicon_pal_indices
 
 .org 0x080971F4
-.word icon_palette_table
+.word pokeicon_pal_indices
 
 .org 0x08097214
-.word icon_palette_table
+.word pokeicon_pal_indices
 
 .org 0x08097224
-.word icon_palette_table
+.word pokeicon_pal_indices

sots-private

@@ -1 +1 @@
-Subproject commit c2fbc6fcaf5babd6d49020cd6a70ec2a3a708266
+Subproject commit 8ed8457f4c1b3028f890bd873cd2134e67d59574

src/pokedex/pokedex.c

@@ -7,9 +7,9 @@
 #include <pokedex/pdexScrollBar.h>
 #include <pokedex/pdexSelectHalf.h>
 
-#define PDEX_LAST_SHOWN PKMN_AMIGENTO
+#include "pokedex_common.h"
 
-#define PDEX_FADEIN_SPD 1
+#define PDEX_LAST_SHOWN PKMN_AMIGENTO
 
 #define TB_TITLE 0
 #define TB_PKMN 1
@@ -17,16 +17,11 @@
 #define TB_CAUGHT 3
 #define TB_MAIN 4
 
-#define FONT_DEX_STD 1
+
 #define TB_STD_LEN 10
 #define TB_STD_LEN_PX (TB_STD_LEN * 8)
 #define TB_BOT_LEN 9
 #define TB_BOT_LEN_PX (TB_BOT_LEN * 8)
-#define TB_STD_CENTER(t) (((TB_STD_LEN_PX - t) >> 1) + 2)
-#define TB_STD_RIGHT(t) ((TB_BOT_LEN_PX - t))
-
-#define OBJID_HIDE(objid) objects[objid].final_oam.affine_mode = 2
-#define OBJID_SHOW(objid) objects[objid].final_oam.affine_mode = 0
 
 #define TB_SEEN_Y (6)
 #define TB_CAUGHT_Y 3
@@ -34,19 +29,6 @@
 #define DEX_SCROLL_MIN 23
 #define DEX_SCROLL_MAX 146
 
-#define DEX_PKMN_TAG 0x1300
-#define DEX_BALL_TAG 0x1301
-#define DEX_CURSOR_TAG 0x1302
-#define DEX_ARROW_TAG 0x1303
-#define DEX_ARROW_TAG_EPAL 0x1304
-#define DEX_SCROLL_TAG 0x1305
-
-#define MAX3_COUNT_DIGITS(n) (n >= 100 ? 3 : (n >= 10 ? 2 : 1))
-
-#define CPUFSCPY 0
-#define CPUFSSET 1
-#define CPUModeFS(size, mode) ((size >> 2) | (mode << 24))
-
 void pdex_load(void);
 void pdex_vblank_handler(void);
 void pdex_loop(u8 tid);
@@ -59,13 +41,6 @@ extern const pchar pdex_str_empty[];
 
 static const u8 pdex_y_offset[] = {19, 35, 51, 67, 83, 99, 115, 131};
 
-const u16 pdex_text_pal[] = {rgb5(255, 0, 255), rgb5(255, 255, 255), rgb5(0, 0, 0),     rgb5(255, 0, 255),
-                             rgb5(255, 0, 255), rgb5(255, 0, 255),   rgb5(255, 0, 255), rgb5(255, 0, 255),
-                             rgb5(255, 0, 255), rgb5(255, 0, 255),   rgb5(255, 0, 255), rgb5(255, 0, 255),
-                             rgb5(255, 0, 255), rgb5(255, 0, 255),   rgb5(255, 0, 255), rgb5(255, 0, 255)};
-
-struct TextColor pdex_text_color = {0, 1, 2};
-
 struct TextboxTemplate pdex_boxes[] = {
     {.bg_id = 0, .x = 11, .y = 0, .width = 10, .height = 2, .pal_id = 15, .charbase = 1},
     {.bg_id = 0, .x = 2, .y = 2, .width = 10, .height = 2, .pal_id = 15, .charbase = 21},
@@ -77,48 +52,7 @@ struct TextboxTemplate pdex_boxes[] = {
     {.bg_id = 0xFF},
 };
 
-const struct BgConfig pdex_bg_config[4] = {
-    {
-        .padding = 0,
-        .b_padding = 0,
-        .priority = 0,
-        .palette = 0,
-        .size = 0,
-        .map_base = 29,
-        .character_base = 0,
-        .bgid = 0,
-    },
-    {
-        .padding = 0,
-        .b_padding = 0,
-        .priority = 1,
-        .palette = 0,
-        .size = 0,
-        .map_base = 28,
-        .character_base = 0,
-        .bgid = 1,
-    },
-    {
-        .padding = 0,
-        .b_padding = 0,
-        .priority = 2,
-        .palette = 0,
-        .size = 0,
-        .map_base = 30,
-        .character_base = 3,
-        .bgid = 2,
-    },
-    {
-        .padding = 0,
-        .b_padding = 0,
-        .priority = 3,
-        .palette = 0,
-        .size = 1,
-        .map_base = 31,
-        .character_base = 3,
-        .bgid = 3,
-    },
-};
+
 
 s16 pdex_get_y_offset(s8 n) {
     s8 modOffset = n + pokedex_context->hardware_scroll_amount;
@@ -304,7 +238,8 @@ void pdex_cursor_init(void) {
 }
 
 void pdex_oac_scroll_bar(struct Object *obj) {
-    obj->pos1.y = 23 + (((pokedex_context->cursor_position_top + pokedex_context->cursor_position_internal) * 123) / PDEX_LAST_SHOWN);
+    obj->pos1.y = 23 + (((pokedex_context->cursor_position_top + pokedex_context->cursor_position_internal) * 123) /
+                        PDEX_LAST_SHOWN);
 }
 
 void pdex_oac_arrow(struct Object *obj) {
@@ -312,18 +247,14 @@ void pdex_oac_arrow(struct Object *obj) {
         // this is the down facing arrow
         if (pokedex_context->cursor_position_top + 8 > PDEX_LAST_SHOWN) {
             obj->final_oam.palette_num = obj->priv[2];
-        }
-        else
-        {
+        } else {
             obj->final_oam.palette_num = obj->priv[1];
         }
     } else {
         // this is the up facing arrow
         if (pokedex_context->cursor_position_top == pokedex_context->first_seen) {
             obj->final_oam.palette_num = obj->priv[2];
-        }
-        else
-        {
+        } else {
             obj->final_oam.palette_num = obj->priv[1];
         }
     }
@@ -392,6 +323,7 @@ void pdex_load_scroll_ui(void) {
 void pdex_data_setup(void) {
     /* fill the LUT */
     /* TODO: get data from various pokedex lists */
+    pokedex_context->lookup = malloc_and_clear((PDEX_LAST_SHOWN + 1) * sizeof(struct PdexLookup));
     bool first = false;
     for (u32 i = 0; i <= PDEX_LAST_SHOWN; ++i) {
         u16 species = pokedex_index_to_species(i);
@@ -512,12 +444,10 @@ void pdex_loop(u8 tid) {
         if (super.buttons_new & KEY_B) {
             pokedex_context->state = 10;
         }
-        if ((super.buttons_new & KEY_DOWN) || (super.buttons_held & KEY_DOWN))
-        {
+        if ((super.buttons_new & KEY_DOWN) || (super.buttons_held & KEY_DOWN)) {
             pdex_try_advance(false);
         }
-        if((super.buttons_new & KEY_UP) || (super.buttons_held & KEY_UP))
-        {
+        if ((super.buttons_new & KEY_UP) || (super.buttons_held & KEY_UP)) {
             pdex_try_advance(true);
         }
         break;
@@ -540,43 +470,12 @@ void pdex_loop(u8 tid) {
     }
 }
 
-bool sm_pdex_init(void) {
-    if (pal_fade_control.active)
-        return false;
-    audioDampenMaybe();
-    sav1_secure_increment(0x29); // this is something the original dex routine does, probably for statistics
-    /* maybe clean up safari stuff here if necessary */
-    overworld_free_bgmaps();
-    set_callback2(pdex_load);
-    return true;
-}
-
-void pdex_vram_setup(void) {
-    vblank_handler_set(NULL);
-    pal_fade_control_and_dead_struct_reset();
-    gpu_tile_bg_drop_all_sets(true);
-    obj_and_aux_reset_all();
-    gpu_tile_obj_tags_reset();
-    gpu_pal_allocator_reset();
-    rboxes_free();
-    malloc_init((void *)0x2000000, 0x1C000);
-    tasks_init();
-
-    bg_vram_setup(0, &pdex_bg_config[0], 4);
-
-    u8 *bgMap = malloc(0x800);
-    u8 *strMap = malloc(0x800);
-    bgid_set_tilemap(2, bgMap);
-    bgid_set_tilemap(0, strMap);
-    bgid_mark_for_sync(0);
-
+void pdex_load_gfx(void) {
     /*TODO: setup text boxes here */
     rbox_init_from_templates(&pdex_boxes[0]);
-    u32 set = 0;
-    CpuFastSet((void *)&set, (void *)0x06000000, CPUModeFS(0x10000, CPUFSSET));
 
     lz77UnCompVram(pdexBgTiles, (void *)0x0600C000);
-    LZ77UnCompWram(pdexBgMap, bgMap);
+    LZ77UnCompWram(pdexBgMap, bgid_get_tilemap(2));
     gpu_pal_apply_compressed(pdexBgPal, 0, 32);
     gpu_pal_apply(pdex_text_pal, 15 * 16, 32);
 
@@ -585,43 +484,16 @@ void pdex_vram_setup(void) {
     lcd_io_set(REG_ID_WIN0V, ((20 << 8) | (148)));
     lcd_io_set(REG_ID_WININ, WIN_BG0 | WIN_BG1 | WIN_BG2 | WIN_BG3 | WIN_OBJ);
     lcd_io_set(REG_ID_WINOUT, WIN_BG0 | WIN_BG2 | WIN_BG3 | WIN_OBJ);
-
-    vblank_handler_set(pdex_vblank_handler);
-    interrupts_enable(INTERRUPT_VBLANK);
-    bgid_mod_x_offset(0, 0, 0);
-    bgid_mod_y_offset(0, 0, 0);
-    bgid_mod_x_offset(1, 0, 0);
-    bgid_mod_y_offset(1, 0, 0);
-    bgid_mod_x_offset(2, 0, 0);
-    bgid_mod_y_offset(2, 0, 0);
-    bgid_mod_x_offset(3, 0, 0);
-    bgid_mod_y_offset(3, 0, 0);
+    bgid_mark_for_sync(0);
 }
 
 void pdex_load(void) {
 
     pdex_vram_setup();
-    pokedex_context = malloc_and_clear(sizeof(struct PdexCtx));
+    pdex_load_gfx();
+
     pokedex_context->pokemon_oam = -1;
-    pokedex_context->lookup = malloc_and_clear((PDEX_LAST_SHOWN + 1) * sizeof(struct PdexLookup));
+
     task_add(pdex_loop, 0);
     set_callback2(pdex_cb_handler);
-}
-
-void pdex_vblank_handler(void) {
-    gpu_sprites_upload();
-    copy_queue_process();
-    gpu_pal_upload();
-}
-
-void pdex_cb_handler(void) {
-    if (pal_fade_control.active)
-        process_palfade();
-    else {
-        task_exec();
-        objc_exec();
-        obj_sync_superstate();
-        tilemaps_sync();
-        remoboxes_upload_tilesets();
-    }
 }

src/pokedex/pokedex_common.c

@@ -0,0 +1,100 @@
+#include <pokeagb/pokeagb.h>
+#include "pokedex_common.h"
+
+const u16 pdex_text_pal[] = {rgb5(255, 0, 255), rgb5(255, 255, 255), rgb5(0, 0, 0),     rgb5(255, 0, 255),
+                             rgb5(255, 0, 255), rgb5(255, 0, 255),   rgb5(255, 0, 255), rgb5(255, 0, 255),
+                             rgb5(255, 0, 255), rgb5(255, 0, 255),   rgb5(255, 0, 255), rgb5(255, 0, 255),
+                             rgb5(255, 0, 255), rgb5(255, 0, 255),   rgb5(255, 0, 255), rgb5(255, 0, 255)};
+
+const struct BgConfig pdex_bg_config[4] = {
+    {
+        .padding = 0,
+        .b_padding = 0,
+        .priority = 0,
+        .palette = 0,
+        .size = 0,
+        .map_base = 29,
+        .character_base = 0,
+        .bgid = 0,
+    },
+    {
+        .padding = 0,
+        .b_padding = 0,
+        .priority = 1,
+        .palette = 0,
+        .size = 0,
+        .map_base = 28,
+        .character_base = 0,
+        .bgid = 1,
+    },
+    {
+        .padding = 0,
+        .b_padding = 0,
+        .priority = 2,
+        .palette = 0,
+        .size = 0,
+        .map_base = 30,
+        .character_base = 3,
+        .bgid = 2,
+    },
+    {
+        .padding = 0,
+        .b_padding = 0,
+        .priority = 3,
+        .palette = 0,
+        .size = 1,
+        .map_base = 31,
+        .character_base = 3,
+        .bgid = 3,
+    },
+};
+
+struct TextColor pdex_text_color = {0, 1, 2};
+
+void pdex_vblank_handler(void) {
+    gpu_sprites_upload();
+    copy_queue_process();
+    gpu_pal_upload();
+}
+
+void pdex_cb_handler(void) {
+    if (pal_fade_control.active)
+        process_palfade();
+    else {
+        task_exec();
+        objc_exec();
+        obj_sync_superstate();
+        tilemaps_sync();
+        remoboxes_upload_tilesets();
+    }
+}
+
+void pdex_vram_setup(void) {
+    vblank_handler_set(NULL);
+    pal_fade_control_and_dead_struct_reset();
+    gpu_tile_bg_drop_all_sets(true);
+    obj_and_aux_reset_all();
+    gpu_tile_obj_tags_reset();
+    gpu_pal_allocator_reset();
+    rboxes_free();
+    tasks_init();
+    bg_vram_setup(0, &pdex_bg_config[0], 4);
+    u32 set = 0;
+    CpuFastSet((void *)&set, (void *)0x06000000, CPUModeFS(0x10000, CPUFSSET));
+
+    bgid_mod_x_offset(0, 0, 0);
+    bgid_mod_y_offset(0, 0, 0);
+    bgid_mod_x_offset(1, 0, 0);
+    bgid_mod_y_offset(1, 0, 0);
+    bgid_mod_x_offset(2, 0, 0);
+    bgid_mod_y_offset(2, 0, 0);
+    bgid_mod_x_offset(3, 0, 0);
+    bgid_mod_y_offset(3, 0, 0);
+
+    vblank_handler_set(pdex_vblank_handler);
+    interrupts_enable(INTERRUPT_VBLANK);
+
+    u8 *bgMap = malloc(0x800);
+    bgid_set_tilemap(2, bgMap);
+    
+}

src/pokedex/pokedex_common.h

@@ -0,0 +1,40 @@
+#ifndef PDEX_C_H_
+#define PDEX_C_H_
+
+#include <pokeagb/pokeagb.h>
+
+#define CPUFSCPY 0
+#define CPUFSSET 1
+#define CPUModeFS(size, mode) ((size >> 2) | (mode << 24))
+#define MAX3_COUNT_DIGITS(n) (n >= 100 ? 3 : (n >= 10 ? 2 : 1))
+
+#define OBJID_HIDE(objid) objects[objid].final_oam.affine_mode = 2
+#define OBJID_SHOW(objid) objects[objid].final_oam.affine_mode = 0
+
+#define PDEX_FADEIN_SPD 1
+
+#define FONT_DEX_STD 1
+
+#define TB_STD_CENTER(t) (((TB_STD_LEN_PX - t) >> 1) + 2)
+#define TB_STD_RIGHT(t) ((TB_BOT_LEN_PX - t))
+
+#define DEX_PKMN_TAG 0x1300
+#define DEX_BALL_TAG 0x1301
+#define DEX_CURSOR_TAG 0x1302
+#define DEX_ARROW_TAG 0x1303
+#define DEX_ARROW_TAG_EPAL 0x1304
+#define DEX_SCROLL_TAG 0x1305
+#define DEX_REGION_SELECT 0x1306
+
+#define DEX_REGION_PAL(i) (0x1307 + i)
+#define DEX_REGION_ICON(i) (0x1307 + i)
+
+void pdex_cb_handler(void);
+void pdex_vblank_handler(void);
+void pdex_vram_setup(void);
+
+const u16 pdex_text_pal[16];
+const struct BgConfig pdex_bg_config[4];
+struct TextColor pdex_text_color;
+
+#endif

src/pokedex/pokedex_region.c

@@ -0,0 +1,194 @@
+#include <agb_debug.h>
+#include <constants/pkmns.h>
+#include <pokeagb/pokeagb.h>
+#include <pokedex/pdexSelectBg.h>
+#include <pokedex/pdexSelectRegion.h>
+
+#include "pokedex_common.h"
+
+void region_select_load(void);
+extern const pchar *pdex_str_regions[];
+extern const pchar *pdex_str_empty;
+
+struct TextboxTemplate region_select_boxes[] = {
+    {.bg_id = 0, .x = 4, .y = 7, .width = 6, .height = 3, .pal_id = 15, .charbase = 1},
+    {.bg_id = 0, .x = 13, .y = 7, .width = 6, .height = 3, .pal_id = 15, .charbase = 19},
+    {.bg_id = 0, .x = 22, .y = 7, .width = 6, .height = 3, .pal_id = 15, .charbase = 38},
+
+    {.bg_id = 0, .x = 2, .y = 17, .width = 6, .height = 2, .pal_id = 15, .charbase = 57},
+    {.bg_id = 0, .x = 9, .y = 17, .width = 6, .height = 2, .pal_id = 15, .charbase = 69},
+    {.bg_id = 0, .x = 17, .y = 17, .width = 6, .height = 2, .pal_id = 15, .charbase = 81},
+    {.bg_id = 0, .x = 24, .y = 17, .width = 6, .height = 2, .pal_id = 15, .charbase = 93},
+
+    {.bg_id = 0xFF},
+};
+
+u8 region_text_x_offset[] = {2, 4, 2, 1, 5, 1, 4};
+u8 region_text_y_offset[] = {7, 7, 7, 2, 2, 2, 2};
+u8 region_select_x_offset[] = {54, 128, 198, 38, 97, 156, 215};
+u8 region_select_y_offset[] = {40, 40, 40, 115, 115, 115, 115};
+
+u16 region_icons[] = {PKMN_BISASAM,   PKMN_SCHIGGY,  PKMN_GLUMANDA, PKMN_ENDIVIE, PKMN_KARNIMANI, PKMN_FEURIGEL,
+                     PKMN_GECKARBOR, PKMN_HYDROPI, PKMN_FLEMMLI,  PKMN_CHELAST, PKMN_PLINFA,    PKMN_PANFLAM,
+                     PKMN_SERPIFEU,  PKMN_OTTARO,  PKMN_FLOINK,   PKMN_IGAMARO, PKMN_FROXY,     PKMN_FYNX,
+                     PKMN_BAUZ,      PKMN_ROBBALL, PKMN_FLAMIAU};
+
+u16 region_icons_x_offset[] = {37, 49, 58, 110, 122, 133, 183, 193, 206, 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, 120};
+
+u16 region_icons_y_offset[] = {39,  17,  39, 39,  19,  39, 39,  19,  39, 100, 90,
+                              100, 100, 90, 100, 100, 90, 100, 100, 90, 100};
+
+bool sm_pdex_init(void) {
+    if (pal_fade_control.active)
+        return false;
+    audioDampenMaybe();
+    sav1_secure_increment(0x29); // this is something the original dex routine does, probably for statistics
+    /* maybe clean up safari stuff here if necessary */
+    overworld_free_bgmaps();
+
+    malloc_init((void *)0x2000000, 0x1C000);
+    set_callback2(region_select_load);
+    return true;
+}
+
+void region_select_load_gfx() {
+    rbox_init_from_templates(&region_select_boxes[0]);
+    lz77UnCompVram(pdexSelectBgTiles, (void *)0x0600C000);
+    LZ77UnCompWram(pdexSelectBgMap, bgid_get_tilemap(2));
+    gpu_pal_apply_compressed(pdexSelectBgPal, 0, 32);
+    gpu_pal_apply(pdex_text_pal, 15 * 16, 32);
+    bgid_mark_for_sync(0);
+}
+
+void region_oac_select(struct Object *obj) {
+    obj->pos1.x = region_select_x_offset[pokedex_context->region_selected];
+    obj->pos1.y = region_select_y_offset[pokedex_context->region_selected];
+}
+
+struct SpriteTiles region_select_tiles = {pdexSelectRegionTiles, 2048, DEX_REGION_SELECT};
+struct SpritePalette region_select_pal = {pdexSelectRegionPal, DEX_REGION_SELECT};
+
+const struct OamData region_select_oam = {
+    .affine_mode = 0,
+    .obj_mode = 0,
+    .mosaic = false,
+    .shape = 0,
+    .size = 3,
+};
+
+struct Template region_select_template = {
+    .tiles_tag = DEX_REGION_SELECT,
+    .pal_tag = DEX_REGION_SELECT,
+    .oam = &region_select_oam,
+    .animation = &anim_image_empty,
+    .graphics = &region_select_tiles,
+    .rotscale = &rotscale_empty,
+    .callback = region_oac_select,
+};
+
+void region_load_icon_palettes(void) {
+    for (u8 i = 0; i < 3; ++i) {
+        struct SpritePalette current = {pokeicon_pals[i], DEX_REGION_PAL(i)};
+        gpu_pal_obj_alloc_tag_and_apply(&current);
+    }
+}
+
+const struct OamData region_icon_oam = {
+    .affine_mode = 0,
+    .obj_mode = 0,
+    .mosaic = false,
+    .shape = 0,
+    .size = 2,
+};
+
+void region_load_icon(u8 i) {
+    struct SpriteTiles current = {pokeicon_table[region_icons[i]], 512, DEX_REGION_ICON(i)};
+    gpu_tile_obj_alloc_tag_and_upload(&current);
+    struct Template region_icon_template = {
+        .tiles_tag = DEX_REGION_ICON(i),
+        .pal_tag = DEX_REGION_PAL(pokeicon_pal_indices[region_icons[i]]),
+        .oam = &region_icon_oam,
+        .animation = &anim_image_empty,
+        .graphics = &current,
+        .rotscale = &rotscale_empty,
+        .callback = oac_nullsub,
+    };
+    template_instanciate_forward_search(&region_icon_template, region_icons_x_offset[i], region_icons_y_offset[i], 0);
+}
+
+void region_load_border() {
+    gpu_tile_obj_decompress_alloc_tag_and_upload(&region_select_tiles);
+    gpu_pal_obj_alloc_tag_and_apply(&region_select_pal);
+    (void)template_instanciate_forward_search(&region_select_template, 100, 100, 0);
+}
+
+void region_loop(u8 tid) {
+    (void)tid;
+    switch (pokedex_context->state) {
+    case 0:
+        bgid_send_tilemap(2);
+
+        for (u8 i = 0; i < 7; ++i) {
+            rboxid_clear_pixels(i, 0);
+            rboxid_print(i, FONT_DEX_STD, region_text_x_offset[i], region_text_y_offset[i], &pdex_text_color, 0,
+                         pdex_str_regions[i + 1]);
+            rboxid_update_tilemap_and_tileset(i);
+        }
+
+        region_load_border();
+        region_load_icon_palettes();
+        for(u8 i = 0; i < 21; ++i)
+            region_load_icon(i);
+        
+        palette_bg_faded_fill_black();
+        pokedex_context->state++;
+        break;
+    case 1:
+        gpu_sync_bg_show(0);
+        gpu_sync_bg_hide(1);
+        gpu_sync_bg_hide(3);
+
+        gpu_sync_bg_show(2);
+        fade_screen(0xFFFFFFFF, PDEX_FADEIN_SPD, 16, 0, 0x0000);
+        pokedex_context->state++;
+        break;
+    case 2:
+        if (!pal_fade_control.active)
+            pokedex_context->state++;
+        break;
+    case 3:
+        switch (super.buttons_new) {
+        case KEY_RIGHT:
+            if (pokedex_context->region_selected < 6)
+                pokedex_context->region_selected++;
+            break;
+        case KEY_DOWN:
+            if (pokedex_context->region_selected < 3)
+                pokedex_context->region_selected += 3;
+            break;
+        case KEY_LEFT:
+            if (pokedex_context->region_selected > 0)
+                pokedex_context->region_selected--;
+            break;
+        case KEY_UP:
+            if ((pokedex_context->region_selected > 2) && (pokedex_context->region_selected < 6))
+                pokedex_context->region_selected -= 3;
+            break;
+        default:
+            break;
+        }
+        break;
+    default:
+        break;
+    }
+}
+
+void region_select_load(void) {
+    pdex_vram_setup();
+
+    pokedex_context = malloc_and_clear(sizeof(struct PdexCtx));
+
+    region_select_load_gfx();
+    task_add(region_loop, 0);
+    set_callback2(pdex_cb_handler);
+}

src/pokedex/pokedex_string.s

@@ -19,4 +19,43 @@ pdex_str_caught:
 .global pdex_str_empty
 pdex_str_empty:
     .string LAN_DE "----------"
-    .string LAN_EN "----------"
+    .string LAN_EN "----------"
+
+.global pdex_str_regions
+pdex_str_regions:
+.word pdex_str_empty
+.word pdex_str_kanto
+.word pdex_str_jotho
+.word pdex_str_hoeen
+.word pdex_str_sinnoh
+.word pdex_str_unova
+.word pdex_str_kalos
+.word pdex_str_alola
+
+pdex_str_kanto:
+    .string LAN_DE "Kanto"
+    .string LAN_EN "Kanto"
+
+pdex_str_jotho:
+    .string LAN_DE "Johto"
+    .string LAN_EN "Johto"
+
+pdex_str_hoeen:
+    .string LAN_DE "Hoenn"
+    .string LAN_EN "Hoenn"
+
+pdex_str_sinnoh:
+    .string LAN_DE "Sinnoh"
+    .string LAN_EN "Sinnoh"
+
+pdex_str_unova:
+    .string LAN_DE "Einall"
+    .string LAN_EN " Unova"
+
+pdex_str_kalos:
+    .string LAN_DE "Kalos"
+    .string LAN_EN "Kalos"
+
+pdex_str_alola:
+    .string LAN_DE "Alola"
+    .string LAN_EN "Alola"