diff --git a/Core/display.c b/Core/display.c
index 1d377c3..20a3bcf 100644
--- a/Core/display.c
+++ b/Core/display.c
@@ -2432,3 +2432,33 @@ bool GB_is_background_rendering_disabled(GB_gameboy_t *gb)
     return gb->background_disabled;
 }
 
+unsigned GB_get_screen_width(GB_gameboy_t *gb)
+{
+    switch (gb->border_mode) {
+        default:
+        case GB_BORDER_SGB:
+            return GB_is_hle_sgb(gb)? 256 : 160;
+        case GB_BORDER_NEVER:
+            return 160;
+        case GB_BORDER_ALWAYS:
+            return 256;
+    }
+}
+
+unsigned GB_get_screen_height(GB_gameboy_t *gb)
+{
+    switch (gb->border_mode) {
+        default:
+        case GB_BORDER_SGB:
+            return GB_is_hle_sgb(gb)? 224 : 144;
+        case GB_BORDER_NEVER:
+            return 144;
+        case GB_BORDER_ALWAYS:
+            return 224;
+    }
+}
+
+double GB_get_usual_frame_rate(GB_gameboy_t *gb)
+{
+    return GB_get_clock_rate(gb) / (double)LCDC_PERIOD;
+}
diff --git a/Core/display.h b/Core/display.h
index 39b1849..34110dc 100644
--- a/Core/display.h
+++ b/Core/display.h
@@ -102,6 +102,10 @@ void GB_set_color_correction_mode(GB_gameboy_t *gb, GB_color_correction_mode_t m
 void GB_set_light_temperature(GB_gameboy_t *gb, double temperature);
 void GB_set_pixels_output(GB_gameboy_t *gb, uint32_t *output);
 
+unsigned GB_get_screen_width(GB_gameboy_t *gb);
+unsigned GB_get_screen_height(GB_gameboy_t *gb);
+double GB_get_usual_frame_rate(GB_gameboy_t *gb);
+
 bool GB_is_odd_frame(GB_gameboy_t *gb);
 uint32_t GB_convert_rgb15(GB_gameboy_t *gb, uint16_t color, bool for_border);
 
diff --git a/Core/gb.c b/Core/gb.c
index 91ec43d..f148ff0 100644
--- a/Core/gb.c
+++ b/Core/gb.c
@@ -1936,42 +1936,6 @@ void GB_set_border_mode(GB_gameboy_t *gb, GB_border_mode_t border_mode)
     gb->border_mode = border_mode;
 }
 
-unsigned GB_get_screen_width(GB_gameboy_t *gb)
-{
-    switch (gb->border_mode) {
-        default:
-        case GB_BORDER_SGB:
-            return GB_is_hle_sgb(gb)? 256 : 160;
-        case GB_BORDER_NEVER:
-            return 160;
-        case GB_BORDER_ALWAYS:
-            return 256;
-    }
-}
-
-unsigned GB_get_screen_height(GB_gameboy_t *gb)
-{
-    switch (gb->border_mode) {
-        default:
-        case GB_BORDER_SGB:
-            return GB_is_hle_sgb(gb)? 224 : 144;
-        case GB_BORDER_NEVER:
-            return 144;
-        case GB_BORDER_ALWAYS:
-            return 224;
-    }
-}
-
-unsigned GB_get_player_count(GB_gameboy_t *gb)
-{
-    return GB_is_hle_sgb(gb)? gb->sgb->player_count : 1;
-}
-
-double GB_get_usual_frame_rate(GB_gameboy_t *gb)
-{
-    return GB_get_clock_rate(gb) / (double)LCDC_PERIOD;
-}
-
 void GB_set_joyp_write_callback(GB_gameboy_t *gb, GB_joyp_write_callback_t callback)
 {
     if (!callback) {
diff --git a/Core/gb.h b/Core/gb.h
index 7ed9eb1..6e317e0 100644
--- a/Core/gb.h
+++ b/Core/gb.h
@@ -990,11 +990,6 @@ uint32_t GB_get_clock_rate(GB_gameboy_t *gb);
 uint32_t GB_get_unmultiplied_clock_rate(GB_gameboy_t *gb);
 void GB_set_clock_multiplier(GB_gameboy_t *gb, double multiplier);
 
-unsigned GB_get_screen_width(GB_gameboy_t *gb);
-unsigned GB_get_screen_height(GB_gameboy_t *gb);
-double GB_get_usual_frame_rate(GB_gameboy_t *gb);
-unsigned GB_get_player_count(GB_gameboy_t *gb);
-
 /* Handy ROM info APIs */
 // `title` must be at least 17 bytes in size
 void GB_get_rom_title(GB_gameboy_t *gb, char *title);
diff --git a/Core/sgb.c b/Core/sgb.c
index 036ef2f..dd54222 100644
--- a/Core/sgb.c
+++ b/Core/sgb.c
@@ -909,3 +909,7 @@ static void render_jingle(GB_gameboy_t *gb, size_t count)
     return;
 }
 
+unsigned GB_get_player_count(GB_gameboy_t *gb)
+{
+    return GB_is_hle_sgb(gb)? gb->sgb->player_count : 1;
+}
diff --git a/Core/sgb.h b/Core/sgb.h
index 16f718f..598b1b1 100644
--- a/Core/sgb.h
+++ b/Core/sgb.h
@@ -67,3 +67,4 @@ internal void GB_sgb_render(GB_gameboy_t *gb);
 internal void GB_sgb_load_default_data(GB_gameboy_t *gb);
 
 #endif
+unsigned GB_get_player_count(GB_gameboy_t *gb);