fix explosion and negative score

src/game.c

     }
 }
 
-static void show_explosion(uint16_t power) {
+static void show_explosion(uint16_t power) NONBANKED {
     for (uint8_t n = 0; n < (4 * 4); n++) {
         uint8_t hiwater = SPR_NUM_START;
         spr_draw(SPR_EXPL, FLIP_NONE, 0, 0, n >> 2, &hiwater);
 
     // TODO remove
     obj_add(SPR_LIGHT, 64, 64, 0, 0);
-    //obj_add(SPR_DARK, -64, -64, 0, 0);
-    //obj_add(SPR_DARK, -32, 0, 0, 0);
+    obj_add(SPR_DARK, -64, -64, 0, 0);
     obj_add(SPR_SHOT_LIGHT, 32, 32, 0, 0);
     obj_add(SPR_SHOT_DARK, -32, -32, 0, 0);
 

src/maps.c

 
 // TODO inverted score color not visible on DMG
 
+BANKREF(maps)
+
 const unsigned char num_attr_1[104] = {
     0x81,0x81,0x81,0x81,0x81,0x81,0x81,0x81,0x81,0x81,0x81,0x81,0x81,0x81,0x81,0x81,0x81,0x81,0x81,0x81,
     0x81,0x81,0x81,0x81,0x81,0x81,0x81,0x81,0x81,0x81,0x81,0x81,0x81,0x81,0x81,0x81,0x81,0x81,0x81,0x81,
 }
 
 static void set_win_based(uint8_t x, uint8_t y, uint8_t w, uint8_t h,
-                          const uint8_t *tiles, uint8_t base_tile, const uint8_t *attributes) NONBANKED {
+                          const uint8_t *tiles, uint8_t base_tile, uint8_t tile_bank,
+                          const uint8_t *attributes, uint8_t attr_bank) NONBANKED {
+    SWITCH_ROM(attr_bank);
     VBK_REG = VBK_ATTRIBUTES;
     set_win_tiles(x, y, w, h, attributes);
+
+    SWITCH_ROM(tile_bank);
     VBK_REG = VBK_TILES;
     set_win_based_tiles(x, y, w, h, tiles, base_tile);
 }
 
 static void character(uint8_t c, uint8_t pos, uint8_t x_off, uint8_t y_off, uint8_t is_black) NONBANKED {
-    SWITCH_ROM(BANK(text_fnt));
     uint8_t off = c * text_fnt_WIDTH / text_fnt_TILE_W;
 
     set_win_based(x_off + (pos * text_fnt_WIDTH / text_fnt_TILE_W), y_off,
                   text_fnt_WIDTH / text_fnt_TILE_W, 1,
-                  text_fnt_map + off, fnt_off + numbers_fnt_TILE_COUNT,
-                  (is_black ? num_attr_2 : num_attr_1) + off);
+                  text_fnt_map + off, fnt_off + numbers_fnt_TILE_COUNT, BANK(text_fnt),
+                  (is_black ? num_attr_2 : num_attr_1) + off, BANK(maps));
 
     set_win_based(x_off + (pos * text_fnt_WIDTH / text_fnt_TILE_W), y_off + 1,
                   text_fnt_WIDTH / text_fnt_TILE_W, 1,
-                  text_fnt_map + off + (sizeof(text_fnt_map) / 2), fnt_off + numbers_fnt_TILE_COUNT,
-                  (is_black ? num_attr_2 : num_attr_1) + off);
+                  text_fnt_map + off + (sizeof(text_fnt_map) / 2), fnt_off + numbers_fnt_TILE_COUNT, BANK(text_fnt),
+                  (is_black ? num_attr_2 : num_attr_1) + off, BANK(maps));
 }
 
 static void str3(uint16_t name, uint8_t x_off, uint8_t y_off, uint8_t is_black) NONBANKED {
 }
 
 static void digit(uint8_t val, uint8_t pos, uint8_t x_off, uint8_t y_off, uint8_t is_black) NONBANKED {
-    SWITCH_ROM(BANK(numbers_fnt));
     uint8_t off = val * numbers_fnt_WIDTH / numbers_fnt_TILE_W;
 
     set_win_based(x_off + (pos * numbers_fnt_WIDTH / numbers_fnt_TILE_W), y_off,
                   numbers_fnt_WIDTH / numbers_fnt_TILE_W, 1,
-                  numbers_fnt_map + off, fnt_off,
-                  (is_black ? num_attr_2 : num_attr_1) + off);
+                  numbers_fnt_map + off, fnt_off, BANK(numbers_fnt),
+                  (is_black ? num_attr_2 : num_attr_1) + off, BANK(maps));
 
     set_win_based(x_off + (pos * numbers_fnt_WIDTH / numbers_fnt_TILE_W), y_off + 1,
                   numbers_fnt_WIDTH / numbers_fnt_TILE_W, 1,
-                  numbers_fnt_map + off + (sizeof(numbers_fnt_map) / 2), fnt_off,
-                  (is_black ? num_attr_2 : num_attr_1) + off);
+                  numbers_fnt_map + off + (sizeof(numbers_fnt_map) / 2), fnt_off, BANK(numbers_fnt),
+                  (is_black ? num_attr_2 : num_attr_1) + off, BANK(maps));
 }
 
 static uint8_t number(int32_t score, uint8_t x_off, uint8_t y_off, uint8_t is_black) NONBANKED {
 }
 
 void win_score_clear(uint8_t is_black) NONBANKED {
-    SWITCH_ROM(BANK(title_map));
     set_win_based(0, 0,
                   title_map_WIDTH / title_map_TILE_W, title_map_HEIGHT / title_map_TILE_H,
-                  title_map_map, 0, title_map_MAP_ATTRIBUTES);
+                  title_map_map, 0, BANK(title_map), title_map_MAP_ATTRIBUTES, BANK(title_map));
 
     str(is_black ? "black" : "white", 10 - 5, 1, is_black);
 }
 }
 
 void win_name(int32_t score) NONBANKED {
-    SWITCH_ROM(BANK(title_map));
     set_win_based(0, 0,
                   title_map_WIDTH / title_map_TILE_W, title_map_HEIGHT / title_map_TILE_H,
-                  title_map_map, 0, title_map_MAP_ATTRIBUTES);
+                  title_map_map, 0, BANK(title_map), title_map_MAP_ATTRIBUTES, BANK(title_map));
 
     str("score", 10 - 5, 1, score < 0);
-    number(score, 0xFF, 3, score < 0);
+    number(score < 0 ? -score : score, 0xFF, 3, score < 0);
 
     str("enter", 10 - 5, 6, score < 0);
     str("name", 10 - 4, 8, score < 0);

src/maps.h

 void win_name(int32_t score);
 uint8_t win_game_draw(int32_t score);
 
+BANKREF_EXTERN(maps)
+
 #endif // __MAPS_H__

src/obj.c

 #define GRAVITY_RANGE (32 << POS_SCALE_OBJS)
 #define GRAVITY_SHIFT (POS_SCALE_OBJS + 4)
 #define DAMAGE_RANGE (16 << POS_SCALE_OBJS)
-#define DAMAGE_INC 3
+#define DAMAGE_INC 5
 
 #define PICKUP_SMALL_RANGE (10 << POS_SCALE_OBJS)
 #define PICKUP_LARGE_RANGE (16 << POS_SCALE_OBJS)