diff --git a/include/macros.h b/include/macros.h
index e325ba23e8..4aeaf16abf 100644
--- a/include/macros.h
+++ b/include/macros.h
@@ -330,4 +330,6 @@
 #define DT (1.0f)
 #endif
 
+#define DMA_COPY_SEGMENT(segment) dma_copy(segment##_ROM_START, segment##_ROM_END, segment##_VRAM)
+
 #endif
diff --git a/src/16F740.c b/src/16F740.c
index 0a3d71a5d1..d438ba26b0 100644
--- a/src/16F740.c
+++ b/src/16F740.c
@@ -1536,7 +1536,7 @@ void btl_state_update_prepare_menu(void) {
     battleStatus->lastPartnerMenuSelection[BTL_MENU_IDX_STAR_POWER] = -1;
     battleStatus->lastPartnerMenuSelection[BTL_MENU_IDX_STRATEGY] = -1;
 
-    dma_copy(_415D90_ROM_START, _415D90_ROM_END, _415D90_VRAM);
+    DMA_COPY_SEGMENT(_415D90);
 
     if (battleStatus->flags1 & BS_FLAGS1_PARTNER_ACTING) {
         btl_set_state(BATTLE_STATE_PARTNER_MENU);
diff --git a/src/18C790.c b/src/18C790.c
index f5da264e5d..c719c5e6ef 100644
--- a/src/18C790.c
+++ b/src/18C790.c
@@ -529,7 +529,7 @@ void btl_state_update_celebration(void) {
             if (CelebrateSubstateTime != 0) {
                 CelebrateSubstateTime--;
             } else if (btl_cam_is_moving_done()) {
-                dma_copy(starpoint_ROM_START, starpoint_ROM_END, starpoint_VRAM);
+                DMA_COPY_SEGMENT(starpoint);
                 script = start_script(&EVS_ShowStarpoints, EVT_PRIORITY_A, 0);
                 EndBattleRewardsDone = FALSE;
                 // divide reward into 20 increments
@@ -614,7 +614,7 @@ void btl_state_update_celebration(void) {
                 playerData->level++;
                 btl_cam_use_preset(BTL_CAM_DEFAULT);
                 btl_cam_move(5);
-                dma_copy(level_up_ROM_START, level_up_ROM_END, level_up_VRAM);
+                DMA_COPY_SEGMENT(level_up);
                 sfx_play_sound(SOUND_80000008);
                 CelebrateStateTime = 0;
                 gBattleSubState = BTL_SUBSTATE_CELEBRATE_LEVEL_UP_BEGIN;
diff --git a/src/77480.c b/src/77480.c
index c3d490d779..1b05f3a69a 100644
--- a/src/77480.c
+++ b/src/77480.c
@@ -6,15 +6,15 @@
 #include "sprite/player.h"
 
 #ifdef SHIFT
-#define inspect_icon_VRAM_DEF inspect_icon_VRAM
-#define speech_bubble_VRAM_DEF speech_bubble_VRAM
-#define pulse_stone_VRAM_DEF pulse_stone_VRAM
-#define i_spy_VRAM_DEF i_spy_VRAM
+#define inspect_icon_VRAM inspect_icon_VRAM
+#define speech_bubble_VRAM speech_bubble_VRAM
+#define pulse_stone_VRAM pulse_stone_VRAM
+#define i_spy_VRAM i_spy_VRAM
 #else
-#define inspect_icon_VRAM_DEF (void*)0x802B7000
-#define speech_bubble_VRAM_DEF (void*)0x802B7000
-#define pulse_stone_VRAM_DEF (void*)0x802B7000
-#define i_spy_VRAM_DEF (void*)0x802B7000
+#define inspect_icon_VRAM (void*)0x802B7000
+#define speech_bubble_VRAM (void*)0x802B7000
+#define pulse_stone_VRAM (void*)0x802B7000
+#define i_spy_VRAM (void*)0x802B7000
 #endif
 
 SHIFT_BSS UNK_FUN_PTR(ISpyNotificationCallback);
@@ -1005,7 +1005,7 @@ void check_for_ispy(void) {
     if (gCurrentHiddenPanels.activateISpy && ISpyNotificationCallback == NULL) {
         if (!(playerStatus->animFlags &
             (PA_FLAG_SPEECH_PROMPT_AVAILABLE | PA_FLAG_INTERACT_PROMPT_AVAILABLE))) {
-            dma_copy(i_spy_ROM_START, i_spy_ROM_END, i_spy_VRAM_DEF);
+            DMA_COPY_SEGMENT(i_spy);
             ISpyNotificationCallback = ispy_notification_setup;
         }
     }
@@ -1054,7 +1054,7 @@ void check_for_pulse_stone(void) {
         }
 
         if (!(gPlayerStatus.animFlags & (PA_FLAG_SPEECH_PROMPT_AVAILABLE | PA_FLAG_INTERACT_PROMPT_AVAILABLE))) {
-            dma_copy(pulse_stone_ROM_START, pulse_stone_ROM_END, pulse_stone_VRAM_DEF);
+            DMA_COPY_SEGMENT(pulse_stone);
             PulseStoneNotificationCallback = pulse_stone_notification_setup;
         }
     }
@@ -1100,7 +1100,7 @@ void check_for_conversation_prompt(void) {
 
         if (has_valid_conversation_npc()) {
             TalkNotificationCallback = NULL;
-            dma_copy(speech_bubble_ROM_START, speech_bubble_ROM_END, speech_bubble_VRAM_DEF);
+            DMA_COPY_SEGMENT(speech_bubble);
             TalkNotificationCallback = interact_speech_setup;
         } else {
             TalkNotificationCallback = NULL;
@@ -1274,7 +1274,7 @@ void check_for_interactables(void) {
     }
 
     if (InteractNotificationCallback == NULL) {
-        dma_copy(inspect_icon_ROM_START, inspect_icon_ROM_END, inspect_icon_VRAM_DEF);
+        DMA_COPY_SEGMENT(inspect_icon);
         InteractNotificationCallback = interact_inspect_setup;
 
     }
diff --git a/src/effects.c b/src/effects.c
index 3e0c105cc4..93f11042f3 100644
--- a/src/effects.c
+++ b/src/effects.c
@@ -45,7 +45,7 @@ void clear_effect_data(void) {
 
     osUnmapTLBAll();
     osMapTLB(0x10, NULL, _325AD0_VRAM, (s32)&D_801A6000 & 0xFFFFFF, -1, -1);
-    dma_copy(_325AD0_ROM_START, _325AD0_ROM_END, _325AD0_VRAM);
+    DMA_COPY_SEGMENT(_325AD0);
 }
 
 void func_80059D48(void) {
diff --git a/src/entity.c b/src/entity.c
index 823cf13e23..7fd193d2a8 100644
--- a/src/entity.c
+++ b/src/entity.c
@@ -18,13 +18,15 @@ extern Addr WorldEntityHeapBottom;
 extern Addr WorldEntityHeapBase;
 #define WORLD_ENTITY_HEAP_BOTTOM (s32) WorldEntityHeapBottom
 #define WORLD_ENTITY_HEAP_BASE (s32) WorldEntityHeapBase
-// TODO this only refers to one of 3 overlays which happen to share the same address space
-// but don't necessarily have to
-#define AREA_SPECIFIC_ENTITY_VRAM (s32) entity_default_VRAM
+#define entity_jan_iwa_VRAM (s32) entity_jan_iwa_VRAM
+#define entity_sbk_omo_VRAM (s32) entity_sbk_omo_VRAM
+#define entity_default_VRAM (s32) entity_default_VRAM
 #else
 #define WORLD_ENTITY_HEAP_BOTTOM 0x80250000
 #define WORLD_ENTITY_HEAP_BASE 0x80267FF0
-#define AREA_SPECIFIC_ENTITY_VRAM 0x802BAE00
+#define entity_jan_iwa_VRAM (void*) 0x802BAE00
+#define entity_sbk_omo_VRAM (void*) 0x802BAE00
+#define entity_default_VRAM (void*) 0x802BAE00
 #endif
 
 s32 D_8014AFB0 = 255;
@@ -771,11 +773,11 @@ void entity_reset_collision(Entity* entity) {
 void load_area_specific_entity_data(void) {
     if (!isAreaSpecificEntityDataLoaded) {
         if (gGameStatusPtr->areaID == AREA_JAN || gGameStatusPtr->areaID == AREA_IWA) {
-            dma_copy(entity_jan_iwa_ROM_START, entity_jan_iwa_ROM_END, (void*)AREA_SPECIFIC_ENTITY_VRAM);
+            DMA_COPY_SEGMENT(entity_jan_iwa);
         } else if (gGameStatusPtr->areaID == AREA_SBK || gGameStatusPtr->areaID == AREA_OMO) {
-            dma_copy(entity_sbk_omo_ROM_START, entity_sbk_omo_ROM_END, (void*)AREA_SPECIFIC_ENTITY_VRAM);
+            DMA_COPY_SEGMENT(entity_sbk_omo);
         } else {
-            dma_copy(entity_default_ROM_START, entity_default_ROM_END, (void*)AREA_SPECIFIC_ENTITY_VRAM);
+            DMA_COPY_SEGMENT(entity_default);
         }
 
         isAreaSpecificEntityDataLoaded = TRUE;
diff --git a/src/filemenu/filemenu_common.c b/src/filemenu/filemenu_common.c
index d6ef4aae2c..2b18b2dd2e 100644
--- a/src/filemenu/filemenu_common.c
+++ b/src/filemenu/filemenu_common.c
@@ -1020,7 +1020,7 @@ void filemenu_init(s32 arg0) {
     MenuPanel* menu;
     s32 i;
 
-    dma_copy(ui_images_ROM_START, ui_images_ROM_END, ui_images_VRAM);
+    DMA_COPY_SEGMENT(ui_images);
     for (i = 0; i < ARRAY_COUNT(filemenu_cursorHudElemID); i++) {
         filemenu_cursorHudElemID[i] = hud_element_create(filemenu_cursor_hudElemScripts[i]);
         hud_element_set_flags(filemenu_cursorHudElemID[i], HUD_ELEMENT_FLAG_DROP_SHADOW | HUD_ELEMENT_FLAG_80);
diff --git a/src/main_loop.c b/src/main_loop.c
index e856db4784..bc91bde355 100644
--- a/src/main_loop.c
+++ b/src/main_loop.c
@@ -249,12 +249,12 @@ void gfx_draw_frame(void) {
 void load_engine_data(void) {
     s32 i;
 
-    dma_copy(engine4_ROM_START, engine4_ROM_END, engine4_VRAM);
-    dma_copy(engine1_ROM_START, engine1_ROM_END, engine1_VRAM);
-    dma_copy(evt_ROM_START, evt_ROM_END, evt_VRAM);
-    dma_copy(entity_ROM_START, entity_ROM_END, entity_VRAM);
-    dma_copy(engine2_ROM_START, engine2_ROM_END, engine2_VRAM);
-    dma_copy(font_width_ROM_START, font_width_ROM_END, font_width_VRAM);
+    DMA_COPY_SEGMENT(engine4);
+    DMA_COPY_SEGMENT(engine1);
+    DMA_COPY_SEGMENT(evt);
+    DMA_COPY_SEGMENT(entity);
+    DMA_COPY_SEGMENT(engine2);
+    DMA_COPY_SEGMENT(font_width);
 
     gOverrideFlags = 0;
     gGameStatusPtr->unk_79 = 0;
diff --git a/src/obfuscation_shims.c b/src/obfuscation_shims.c
index 6ab9898326..7f5485216e 100644
--- a/src/obfuscation_shims.c
+++ b/src/obfuscation_shims.c
@@ -7,37 +7,21 @@ void general_heap_create_obfuscated(void);
 void battle_heap_create_obfuscated(void);
 
 void shim_create_audio_system_obfuscated(void) {
-    dma_copy(
-        create_audio_system_obfuscated_ROM_START,
-        create_audio_system_obfuscated_ROM_END,
-        create_audio_system_obfuscated_VRAM
-    );
+    DMA_COPY_SEGMENT(create_audio_system_obfuscated);
     create_audio_system_obfuscated();
 }
 
 void shim_load_engine_data_obfuscated(void) {
-    dma_copy(
-        load_engine_data_obfuscated_ROM_START,
-        load_engine_data_obfuscated_ROM_END,
-        load_engine_data_obfuscated_VRAM
-    );
+    DMA_COPY_SEGMENT(load_engine_data_obfuscated);
     load_engine_data_obfuscated();
 }
 
 void shim_general_heap_create_obfuscated(void) {
-    dma_copy(
-        general_heap_create_obfuscated_ROM_START,
-        general_heap_create_obfuscated_ROM_END,
-        general_heap_create_obfuscated_VRAM
-    );
+    DMA_COPY_SEGMENT(general_heap_create_obfuscated);
     general_heap_create_obfuscated();
 }
 
 void shim_battle_heap_create_obfuscated(void) {
-    dma_copy(
-        battle_heap_create_obfuscated_ROM_START,
-        battle_heap_create_obfuscated_ROM_END,
-        battle_heap_create_obfuscated_VRAM
-    );
+    DMA_COPY_SEGMENT(battle_heap_create_obfuscated);
     battle_heap_create_obfuscated();
 }
diff --git a/src/pause/pause_main.c b/src/pause/pause_main.c
index b1c06e2399..cde6942d5d 100644
--- a/src/pause/pause_main.c
+++ b/src/pause/pause_main.c
@@ -612,7 +612,7 @@ void pause_init(void) {
     MenuPanel** menuPanels;
     s32 i;
 
-    dma_copy(ui_images_ROM_START, ui_images_ROM_END, ui_images_VRAM);
+    DMA_COPY_SEGMENT(ui_images);
 
     for (i = 0; i < ARRAY_COUNT(gPauseIconScripts); i++) {
         gPauseCommonIconIDs[i] = hud_element_create(gPauseIconScripts[i]);
diff --git a/src/state_battle.c b/src/state_battle.c
index f5a2f63aa3..ef85d15991 100644
--- a/src/state_battle.c
+++ b/src/state_battle.c
@@ -92,7 +92,7 @@ void state_step_battle(void) {
             clear_npcs();
             clear_entity_data(1);
             clear_trigger_data();
-            dma_copy(battle_code_ROM_START, battle_code_ROM_END, battle_code_VRAM);
+            DMA_COPY_SEGMENT(battle_code);
             initialize_battle();
             btl_save_world_cameras();
             load_battle_section();
diff --git a/src/world/area_dgb/dgb_01/dgb_01_3_bridges.c b/src/world/area_dgb/dgb_01/dgb_01_3_bridges.c
index 7d0a092927..42270abbb4 100644
--- a/src/world/area_dgb/dgb_01/dgb_01_3_bridges.c
+++ b/src/world/area_dgb/dgb_01/dgb_01_3_bridges.c
@@ -3,7 +3,7 @@
 #include "sprite/player.h"
 
 ApiStatus N(LoadSmashBridgesGraphics)(void) {
-    dma_copy(dgb_01_smash_bridges_ROM_START, dgb_01_smash_bridges_ROM_END, dgb_01_smash_bridges_VRAM);
+    DMA_COPY_SEGMENT(dgb_01_smash_bridges);
     return ApiStatus_DONE2;
 }
 
diff --git a/src/world/world.c b/src/world/world.c
index ca9bfb9395..37bb0087bb 100644
--- a/src/world/world.c
+++ b/src/world/world.c
@@ -68,7 +68,7 @@ void load_map_hit_asset(void);
 extern ShapeFile gMapShapeData;
 
 void load_map_script_lib(void) {
-    dma_copy(world_script_api_ROM_START, world_script_api_ROM_END, world_script_api_VRAM);
+    DMA_COPY_SEGMENT(world_script_api);
 }
 
 void load_map_by_IDs(s16 areaID, s16 mapID, s16 loadType) {