diff --git a/include/macros.h b/include/macros.h
index dde994eb3b..7c964150e7 100644
--- a/include/macros.h
+++ b/include/macros.h
@@ -5,9 +5,6 @@
 #define ARRAY_COUNTU(arr) (u32)(sizeof(arr) / sizeof(arr[0]))
 #define ARRAY_COUNT_2D(arr) (s32)(sizeof(arr) / sizeof(arr[0][0]))
 
-#define PHYSICAL_TO_VIRTUAL(addr) (void*)((uintptr_t)(addr) + 0x80000000)
-#define VIRTUAL_TO_PHYSICAL(addr) (uintptr_t)((u8*)(addr) - 0x80000000)
-
 #define CHECK_FLAG_ALL(flags, mask) (((flags) & (mask)) == (mask))
 
 #endif
diff --git a/src/code/ucode_disas.c b/src/code/ucode_disas.c
index 4ccbdcb590..eadb32188a 100644
--- a/src/code/ucode_disas.c
+++ b/src/code/ucode_disas.c
@@ -61,7 +61,7 @@ typedef void (*UcodeDisasCallback)(UCodeDisas*, u32);
 void* UCodeDisas_TranslateAddr(UCodeDisas* this, uintptr_t addr) {
     uintptr_t physical = this->segments[SEGMENT_NUMBER(addr)] + SEGMENT_OFFSET(addr);
 
-    return PHYSICAL_TO_VIRTUAL(physical);
+    return OS_PHYSICAL_TO_K0(physical);
 }
 
 F3dzexConst sUCodeDisasGeometryModes[] = {
diff --git a/src/code/z_actor.c b/src/code/z_actor.c
index b4bbfd3e43..7ea5bb355f 100644
--- a/src/code/z_actor.c
+++ b/src/code/z_actor.c
@@ -931,7 +931,7 @@ void Actor_SetScale(Actor* actor, f32 scale) {
 }
 
 void Actor_SetObjectDependency(PlayState* play, Actor* actor) {
-    gSegments[6] = VIRTUAL_TO_PHYSICAL(play->objectCtx.slots[actor->objectSlot].segment);
+    gSegments[6] = OS_K0_TO_PHYSICAL(play->objectCtx.slots[actor->objectSlot].segment);
 }
 
 void Actor_Init(Actor* actor, PlayState* play) {
diff --git a/src/code/z_effect_soft_sprite_old_init.c b/src/code/z_effect_soft_sprite_old_init.c
index c04e76128e..967640f280 100644
--- a/src/code/z_effect_soft_sprite_old_init.c
+++ b/src/code/z_effect_soft_sprite_old_init.c
@@ -70,7 +70,7 @@ void EffectSs_DrawGEffect(PlayState* play, EffectSs* this, void* texture) {
     SkinMatrix_SetScale(&mfScale, scale, scale, scale);
     SkinMatrix_MtxFMtxFMult(&mfTrans, &play->billboardMtxF, &mfTransBillboard);
     SkinMatrix_MtxFMtxFMult(&mfTransBillboard, &mfScale, &mfResult);
-    gSegments[6] = VIRTUAL_TO_PHYSICAL(objectPtr);
+    gSegments[6] = OS_K0_TO_PHYSICAL(objectPtr);
     gSPSegment(POLY_XLU_DISP++, 0x06, objectPtr);
 
     mtx = SkinMatrix_MtxFToNewMtx(gfxCtx, &mfResult);
diff --git a/src/code/z_jpeg.c b/src/code/z_jpeg.c
index 84ccf10d8e..29a5404ed6 100644
--- a/src/code/z_jpeg.c
+++ b/src/code/z_jpeg.c
@@ -49,12 +49,12 @@ void Jpeg_ScheduleDecoderTask(JpegContext* ctx) {
     JpegWork* workBuf = ctx->workBuf;
     s32 pad[2];
 
-    workBuf->taskData.address = VIRTUAL_TO_PHYSICAL(&workBuf->data);
+    workBuf->taskData.address = OS_K0_TO_PHYSICAL(&workBuf->data);
     workBuf->taskData.mode = ctx->mode;
     workBuf->taskData.mbCount = 4;
-    workBuf->taskData.qTableYPtr = VIRTUAL_TO_PHYSICAL(&workBuf->qTableY);
-    workBuf->taskData.qTableUPtr = VIRTUAL_TO_PHYSICAL(&workBuf->qTableU);
-    workBuf->taskData.qTableVPtr = VIRTUAL_TO_PHYSICAL(&workBuf->qTableV);
+    workBuf->taskData.qTableYPtr = OS_K0_TO_PHYSICAL(&workBuf->qTableY);
+    workBuf->taskData.qTableUPtr = OS_K0_TO_PHYSICAL(&workBuf->qTableU);
+    workBuf->taskData.qTableVPtr = OS_K0_TO_PHYSICAL(&workBuf->qTableV);
 
     sJpegTask.t.flags = 0;
     sJpegTask.t.ucode_boot = SysUcode_GetUCodeBoot();
diff --git a/src/code/z_parameter.c b/src/code/z_parameter.c
index dd0c19cc9f..9446123484 100644
--- a/src/code/z_parameter.c
+++ b/src/code/z_parameter.c
@@ -2164,7 +2164,7 @@ void Interface_LoadActionLabel(InterfaceContext* interfaceCtx, u16 action, s16 l
                           DO_ACTION_TEX_SIZE, 0, &interfaceCtx->loadQueue, NULL, "../z_parameter.c", 2145);
         osRecvMesg(&interfaceCtx->loadQueue, NULL, OS_MESG_BLOCK);
     } else {
-        gSegments[7] = VIRTUAL_TO_PHYSICAL(interfaceCtx->doActionSegment);
+        gSegments[7] = OS_K0_TO_PHYSICAL(interfaceCtx->doActionSegment);
         func_80086D5C(SEGMENTED_TO_VIRTUAL(sDoActionTextures[loadOffset]), DO_ACTION_TEX_SIZE / 4);
     }
 }
diff --git a/src/code/z_play.c b/src/code/z_play.c
index abbf987733..60a20e0ed8 100644
--- a/src/code/z_play.c
+++ b/src/code/z_play.c
@@ -585,9 +585,9 @@ void Play_Update(PlayState* this) {
     }
 #endif
 
-    gSegments[4] = VIRTUAL_TO_PHYSICAL(this->objectCtx.slots[this->objectCtx.mainKeepSlot].segment);
-    gSegments[5] = VIRTUAL_TO_PHYSICAL(this->objectCtx.slots[this->objectCtx.subKeepSlot].segment);
-    gSegments[2] = VIRTUAL_TO_PHYSICAL(this->sceneSegment);
+    gSegments[4] = OS_K0_TO_PHYSICAL(this->objectCtx.slots[this->objectCtx.mainKeepSlot].segment);
+    gSegments[5] = OS_K0_TO_PHYSICAL(this->objectCtx.slots[this->objectCtx.subKeepSlot].segment);
+    gSegments[2] = OS_K0_TO_PHYSICAL(this->sceneSegment);
 
     if (FrameAdvance_Update(&this->frameAdvCtx, &input[1])) {
         if ((this->transitionMode == TRANS_MODE_OFF) && (this->transitionTrigger != TRANS_TRIGGER_OFF)) {
@@ -1146,9 +1146,9 @@ void Play_Draw(PlayState* this) {
 
     OPEN_DISPS(gfxCtx, "../z_play.c", 3907);
 
-    gSegments[4] = VIRTUAL_TO_PHYSICAL(this->objectCtx.slots[this->objectCtx.mainKeepSlot].segment);
-    gSegments[5] = VIRTUAL_TO_PHYSICAL(this->objectCtx.slots[this->objectCtx.subKeepSlot].segment);
-    gSegments[2] = VIRTUAL_TO_PHYSICAL(this->sceneSegment);
+    gSegments[4] = OS_K0_TO_PHYSICAL(this->objectCtx.slots[this->objectCtx.mainKeepSlot].segment);
+    gSegments[5] = OS_K0_TO_PHYSICAL(this->objectCtx.slots[this->objectCtx.subKeepSlot].segment);
+    gSegments[2] = OS_K0_TO_PHYSICAL(this->sceneSegment);
 
     gSPSegment(POLY_OPA_DISP++, 0x00, NULL);
     gSPSegment(POLY_XLU_DISP++, 0x00, NULL);
@@ -1607,7 +1607,7 @@ void Play_SpawnScene(PlayState* this, s32 sceneId, s32 spawn) {
 
     ASSERT(this->sceneSegment != NULL, "this->sceneSegment != NULL", "../z_play.c", 4960);
 
-    gSegments[2] = VIRTUAL_TO_PHYSICAL(this->sceneSegment);
+    gSegments[2] = OS_K0_TO_PHYSICAL(this->sceneSegment);
 
     Play_InitScene(this, spawn);
 
diff --git a/src/code/z_player_lib.c b/src/code/z_player_lib.c
index adefea26a7..1ac27fdb6c 100644
--- a/src/code/z_player_lib.c
+++ b/src/code/z_player_lib.c
@@ -1525,7 +1525,7 @@ void Player_DrawGetItemImpl(PlayState* play, Player* this, Vec3f* refPos, s32 dr
 
     OPEN_DISPS(play->state.gfxCtx, "../z_player_lib.c", 2401);
 
-    gSegments[6] = VIRTUAL_TO_PHYSICAL(this->giObjectSegment);
+    gSegments[6] = OS_K0_TO_PHYSICAL(this->giObjectSegment);
 
     gSPSegment(POLY_OPA_DISP++, 0x06, this->giObjectSegment);
     gSPSegment(POLY_XLU_DISP++, 0x06, this->giObjectSegment);
@@ -1879,9 +1879,9 @@ u32 Player_InitPauseDrawData(PlayState* play, u8* segment, SkelAnime* skelAnime)
 
     ptr = (void*)ALIGN16((uintptr_t)ptr + size);
 
-    gSegments[4] = VIRTUAL_TO_PHYSICAL(segment + PAUSE_EQUIP_BUFFER_SIZE);
+    gSegments[4] = OS_K0_TO_PHYSICAL(segment + PAUSE_EQUIP_BUFFER_SIZE);
     gSegments[6] =
-        VIRTUAL_TO_PHYSICAL(segment + PAUSE_EQUIP_BUFFER_SIZE + PAUSE_PLAYER_SEGMENT_GAMEPLAY_KEEP_BUFFER_SIZE);
+        OS_K0_TO_PHYSICAL(segment + PAUSE_EQUIP_BUFFER_SIZE + PAUSE_PLAYER_SEGMENT_GAMEPLAY_KEEP_BUFFER_SIZE);
 
     SkelAnime_InitLink(play, skelAnime, gPlayerSkelHeaders[(void)0, gSaveContext.save.linkAge],
                        &gPlayerAnim_link_normal_wait, 9, ptr, ptr, PLAYER_LIMB_MAX);
@@ -2057,9 +2057,9 @@ void Player_DrawPause(PlayState* play, u8* segment, SkelAnime* skelAnime, Vec3f*
     Vec3s* srcTable;
     s32 i;
 
-    gSegments[4] = VIRTUAL_TO_PHYSICAL(segment + PAUSE_EQUIP_BUFFER_SIZE);
+    gSegments[4] = OS_K0_TO_PHYSICAL(segment + PAUSE_EQUIP_BUFFER_SIZE);
     gSegments[6] =
-        VIRTUAL_TO_PHYSICAL(segment + PAUSE_EQUIP_BUFFER_SIZE + PAUSE_PLAYER_SEGMENT_GAMEPLAY_KEEP_BUFFER_SIZE);
+        OS_K0_TO_PHYSICAL(segment + PAUSE_EQUIP_BUFFER_SIZE + PAUSE_PLAYER_SEGMENT_GAMEPLAY_KEEP_BUFFER_SIZE);
 
     if (!LINK_IS_ADULT) {
         if (shield == PLAYER_SHIELD_DEKU) {
diff --git a/src/code/z_room.c b/src/code/z_room.c
index eae1c9187b..a8e9c5b23e 100644
--- a/src/code/z_room.c
+++ b/src/code/z_room.c
@@ -715,7 +715,7 @@ s32 Room_ProcessRoomRequest(PlayState* play, RoomContext* roomCtx) {
         if (osRecvMesg(&roomCtx->loadQueue, NULL, OS_MESG_NOBLOCK) == 0) {
             roomCtx->status = 0;
             roomCtx->curRoom.segment = roomCtx->roomRequestAddr;
-            gSegments[3] = VIRTUAL_TO_PHYSICAL(roomCtx->curRoom.segment);
+            gSegments[3] = OS_K0_TO_PHYSICAL(roomCtx->curRoom.segment);
 
             Scene_ExecuteCommands(play, roomCtx->curRoom.segment);
             Player_SetBootData(play, GET_PLAYER(play));
@@ -730,7 +730,7 @@ s32 Room_ProcessRoomRequest(PlayState* play, RoomContext* roomCtx) {
 
 void Room_Draw(PlayState* play, Room* room, u32 flags) {
     if (room->segment != NULL) {
-        gSegments[3] = VIRTUAL_TO_PHYSICAL(room->segment);
+        gSegments[3] = OS_K0_TO_PHYSICAL(room->segment);
         ASSERT(room->roomShape->base.type < ARRAY_COUNTU(sRoomDrawHandlers),
                "this->ground_shape->polygon.type < number(Room_Draw_Proc)", "../z_room.c", 1125);
         sRoomDrawHandlers[room->roomShape->base.type](play, room, flags);
diff --git a/src/code/z_scene.c b/src/code/z_scene.c
index 63b5d7f760..da2ddf6486 100644
--- a/src/code/z_scene.c
+++ b/src/code/z_scene.c
@@ -109,7 +109,7 @@ void Object_InitContext(PlayState* play, ObjectContext* objectCtx) {
     objectCtx->spaceEnd = (void*)((uintptr_t)objectCtx->spaceStart + spaceSize);
 
     objectCtx->mainKeepSlot = Object_SpawnPersistent(objectCtx, OBJECT_GAMEPLAY_KEEP);
-    gSegments[4] = VIRTUAL_TO_PHYSICAL(objectCtx->slots[objectCtx->mainKeepSlot].segment);
+    gSegments[4] = OS_K0_TO_PHYSICAL(objectCtx->slots[objectCtx->mainKeepSlot].segment);
 }
 
 void Object_UpdateEntries(ObjectContext* objectCtx) {
@@ -265,7 +265,7 @@ BAD_RETURN(s32) Scene_CommandSpawnList(PlayState* play, SceneCmd* cmd) {
 BAD_RETURN(s32) Scene_CommandSpecialFiles(PlayState* play, SceneCmd* cmd) {
     if (cmd->specialFiles.keepObjectId != OBJECT_INVALID) {
         play->objectCtx.subKeepSlot = Object_SpawnPersistent(&play->objectCtx, cmd->specialFiles.keepObjectId);
-        gSegments[5] = VIRTUAL_TO_PHYSICAL(play->objectCtx.slots[play->objectCtx.subKeepSlot].segment);
+        gSegments[5] = OS_K0_TO_PHYSICAL(play->objectCtx.slots[play->objectCtx.subKeepSlot].segment);
     }
 
     if (cmd->specialFiles.naviQuestHintFileId != NAVI_QUEST_HINTS_NONE) {
diff --git a/src/overlays/actors/ovl_Bg_Mjin/z_bg_mjin.c b/src/overlays/actors/ovl_Bg_Mjin/z_bg_mjin.c
index 6fa9814a1b..bf00812fc6 100644
--- a/src/overlays/actors/ovl_Bg_Mjin/z_bg_mjin.c
+++ b/src/overlays/actors/ovl_Bg_Mjin/z_bg_mjin.c
@@ -117,7 +117,7 @@ void BgMjin_Draw(Actor* thisx, PlayState* play) {
         s32 objectSlot = Object_GetSlot(&play->objectCtx, sObjectIds[thisx->params - 1]);
 
         if (objectSlot >= 0) {
-            gSegments[6] = VIRTUAL_TO_PHYSICAL(play->objectCtx.slots[objectSlot].segment);
+            gSegments[6] = OS_K0_TO_PHYSICAL(play->objectCtx.slots[objectSlot].segment);
         }
 
         gSPSegment(POLY_OPA_DISP++, 0x08, SEGMENTED_TO_VIRTUAL(&D_06000000));
diff --git a/src/overlays/actors/ovl_Bg_Spot01_Objects2/z_bg_spot01_objects2.c b/src/overlays/actors/ovl_Bg_Spot01_Objects2/z_bg_spot01_objects2.c
index 064ab1ca48..af7dec9c5d 100644
--- a/src/overlays/actors/ovl_Bg_Spot01_Objects2/z_bg_spot01_objects2.c
+++ b/src/overlays/actors/ovl_Bg_Spot01_Objects2/z_bg_spot01_objects2.c
@@ -101,7 +101,7 @@ void func_808AC2BC(BgSpot01Objects2* this, PlayState* play) {
 
     if (Object_IsLoaded(&play->objectCtx, this->requiredObjectSlot)) {
         PRINTF(T("-----バンク切り換え成功！！\n", "----- Successful bank switching!!\n"));
-        gSegments[6] = VIRTUAL_TO_PHYSICAL(play->objectCtx.slots[this->requiredObjectSlot].segment);
+        gSegments[6] = OS_K0_TO_PHYSICAL(play->objectCtx.slots[this->requiredObjectSlot].segment);
 
         this->dyna.actor.objectSlot = this->requiredObjectSlot;
         DynaPolyActor_Init(&this->dyna, DYNA_TRANSFORM_POS);
diff --git a/src/overlays/actors/ovl_Boss_Ganon/z_boss_ganon.c b/src/overlays/actors/ovl_Boss_Ganon/z_boss_ganon.c
index 11c82f6dab..50d3ab595c 100644
--- a/src/overlays/actors/ovl_Boss_Ganon/z_boss_ganon.c
+++ b/src/overlays/actors/ovl_Boss_Ganon/z_boss_ganon.c
@@ -359,7 +359,7 @@ void BossGanon_SetColliderPos(Vec3f* pos, ColliderCylinder* collider) {
 
 void BossGanon_SetAnimationObject(BossGanon* this, PlayState* play, s32 objectId) {
     this->animObjectSlot = Object_GetSlot(&play->objectCtx, objectId);
-    gSegments[6] = VIRTUAL_TO_PHYSICAL(play->objectCtx.slots[this->animObjectSlot].segment);
+    gSegments[6] = OS_K0_TO_PHYSICAL(play->objectCtx.slots[this->animObjectSlot].segment);
 }
 
 static InitChainEntry sInitChain[] = {
@@ -522,7 +522,7 @@ void BossGanon_SetupIntroCutscene(BossGanon* this, PlayState* play) {
         this->actionFunc = BossGanon_IntroCutscene;
         this->unk_198 = 1;
         this->animObjectSlot = animObjectSlot;
-        gSegments[6] = VIRTUAL_TO_PHYSICAL(play->objectCtx.slots[animObjectSlot].segment);
+        gSegments[6] = OS_K0_TO_PHYSICAL(play->objectCtx.slots[animObjectSlot].segment);
         Animation_MorphToLoop(&this->skelAnime, &gGanondorfPlayOrganAnim, 0.0f);
     } else {
         this->actionFunc = BossGanon_SetupIntroCutscene;
@@ -570,7 +570,7 @@ void BossGanon_IntroCutscene(BossGanon* this, PlayState* play) {
     f32 cos;
     Camera* mainCam;
 
-    gSegments[6] = VIRTUAL_TO_PHYSICAL(play->objectCtx.slots[this->animObjectSlot].segment);
+    gSegments[6] = OS_K0_TO_PHYSICAL(play->objectCtx.slots[this->animObjectSlot].segment);
 
     sCape->backPush = -2.0f;
     sCape->backSwayMagnitude = 0.25f;
@@ -1117,7 +1117,7 @@ void BossGanon_IntroCutscene(BossGanon* this, PlayState* play) {
 
             if (this->csTimer == 50) {
                 gSegments[6] =
-                    VIRTUAL_TO_PHYSICAL(play->objectCtx.slots[Object_GetSlot(&play->objectCtx, OBJECT_GANON)].segment);
+                    OS_K0_TO_PHYSICAL(play->objectCtx.slots[Object_GetSlot(&play->objectCtx, OBJECT_GANON)].segment);
 
                 if (!GET_EVENTCHKINF(EVENTCHKINF_BEGAN_GANONDORF_BATTLE)) {
                     TitleCard_InitBossName(play, &play->actorCtx.titleCtx, SEGMENTED_TO_VIRTUAL(gGanondorfTitleCardTex),
@@ -1207,7 +1207,7 @@ void BossGanon_SetupDeathCutscene(BossGanon* this, PlayState* play) {
         this->csTimer = this->csState = 0;
         this->unk_198 = 1;
         this->animObjectSlot = animObjectSlot;
-        gSegments[6] = VIRTUAL_TO_PHYSICAL(play->objectCtx.slots[animObjectSlot].segment);
+        gSegments[6] = OS_K0_TO_PHYSICAL(play->objectCtx.slots[animObjectSlot].segment);
         Animation_MorphToPlayOnce(&this->skelAnime, &gGanondorfDefeatedStartAnim, 0.0f);
         this->fwork[GDF_FWORK_1] = Animation_GetLastFrame(&gGanondorfDefeatedStartAnim);
         this->unk_508 = 0.0f;
@@ -1220,7 +1220,7 @@ void BossGanon_SetupTowerCutscene(BossGanon* this, PlayState* play) {
 
     if (Object_IsLoaded(&play->objectCtx, animObjectSlot)) {
         this->animObjectSlot = animObjectSlot;
-        gSegments[6] = VIRTUAL_TO_PHYSICAL(play->objectCtx.slots[animObjectSlot].segment);
+        gSegments[6] = OS_K0_TO_PHYSICAL(play->objectCtx.slots[animObjectSlot].segment);
         Animation_MorphToPlayOnce(&this->skelAnime, &gGanondorfDefeatedStartAnim, 0.0f);
         this->fwork[GDF_FWORK_1] = Animation_GetLastFrame(&gGanondorfDefeatedStartAnim);
         this->actionFunc = BossGanon_DeathAndTowerCutscene;
@@ -1255,7 +1255,7 @@ void BossGanon_DeathAndTowerCutscene(BossGanon* this, PlayState* play) {
     Player* player = GET_PLAYER(play);
     s16 pad;
 
-    gSegments[6] = VIRTUAL_TO_PHYSICAL(play->objectCtx.slots[this->animObjectSlot].segment);
+    gSegments[6] = OS_K0_TO_PHYSICAL(play->objectCtx.slots[this->animObjectSlot].segment);
 
     this->csTimer++;
     SkelAnime_Update(&this->skelAnime);
@@ -2834,7 +2834,7 @@ void BossGanon_Update(Actor* thisx, PlayState* play2) {
     if ((this->actionFunc != BossGanon_IntroCutscene) && (this->actionFunc != BossGanon_DeathAndTowerCutscene)) {
         BossGanon_SetAnimationObject(this, play, OBJECT_GANON_ANIME1);
     } else {
-        gSegments[6] = VIRTUAL_TO_PHYSICAL(play->objectCtx.slots[this->animObjectSlot].segment);
+        gSegments[6] = OS_K0_TO_PHYSICAL(play->objectCtx.slots[this->animObjectSlot].segment);
     }
 
     if (this->windowShatterState != GDF_WINDOW_SHATTER_OFF) {
diff --git a/src/overlays/actors/ovl_Boss_Ganon2/z_boss_ganon2.c b/src/overlays/actors/ovl_Boss_Ganon2/z_boss_ganon2.c
index 037a5a251e..53bfa09e56 100644
--- a/src/overlays/actors/ovl_Boss_Ganon2/z_boss_ganon2.c
+++ b/src/overlays/actors/ovl_Boss_Ganon2/z_boss_ganon2.c
@@ -380,7 +380,7 @@ void BossGanon2_SetObjectSegment(BossGanon2* this, PlayState* play, s32 objectId
     s32 pad;
     s32 objectSlot = Object_GetSlot(&play->objectCtx, objectId);
 
-    gSegments[6] = VIRTUAL_TO_PHYSICAL(play->objectCtx.slots[objectSlot].segment);
+    gSegments[6] = OS_K0_TO_PHYSICAL(play->objectCtx.slots[objectSlot].segment);
 
     if (setRSPSegment) {
         OPEN_DISPS(play->state.gfxCtx, "../z_boss_ganon2.c", 790);
@@ -1343,7 +1343,7 @@ void func_808FFDB0(BossGanon2* this, PlayState* play) {
     s32 objectSlot = Object_GetSlot(&play->objectCtx, OBJECT_GANON2);
 
     if (Object_IsLoaded(&play->objectCtx, objectSlot)) {
-        gSegments[6] = VIRTUAL_TO_PHYSICAL(play->objectCtx.slots[objectSlot].segment);
+        gSegments[6] = OS_K0_TO_PHYSICAL(play->objectCtx.slots[objectSlot].segment);
         Animation_MorphToLoop(&this->skelAnime, &gGanonGuardIdleAnim, -10.0f);
         this->actionFunc = func_808FFEBC;
 
diff --git a/src/overlays/actors/ovl_Demo_Ec/z_demo_ec.c b/src/overlays/actors/ovl_Demo_Ec/z_demo_ec.c
index 66fa72d89c..0d4692d9ba 100644
--- a/src/overlays/actors/ovl_Demo_Ec/z_demo_ec.c
+++ b/src/overlays/actors/ovl_Demo_Ec/z_demo_ec.c
@@ -330,7 +330,7 @@ void DemoEc_UseDrawObject(DemoEc* this, PlayState* play) {
     OPEN_DISPS(gfxCtx, "../z_demo_ec.c", 662);
 
     gSPSegment(POLY_OPA_DISP++, 0x06, play->objectCtx.slots[drawObjectSlot].segment);
-    gSegments[6] = VIRTUAL_TO_PHYSICAL(play->objectCtx.slots[drawObjectSlot].segment);
+    gSegments[6] = OS_K0_TO_PHYSICAL(play->objectCtx.slots[drawObjectSlot].segment);
     if (!play) {}
 
     CLOSE_DISPS(gfxCtx, "../z_demo_ec.c", 670);
@@ -339,7 +339,7 @@ void DemoEc_UseDrawObject(DemoEc* this, PlayState* play) {
 void DemoEc_UseAnimationObject(DemoEc* this, PlayState* play) {
     s32 animObjectSlot = this->animObjectSlot;
 
-    gSegments[6] = VIRTUAL_TO_PHYSICAL(play->objectCtx.slots[animObjectSlot].segment);
+    gSegments[6] = OS_K0_TO_PHYSICAL(play->objectCtx.slots[animObjectSlot].segment);
 }
 
 CsCmdActorCue* DemoEc_GetCue(PlayState* play, s32 cueChannel) {
diff --git a/src/overlays/actors/ovl_Demo_Geff/z_demo_geff.c b/src/overlays/actors/ovl_Demo_Geff/z_demo_geff.c
index b1bc8c5880..27cb963a4b 100644
--- a/src/overlays/actors/ovl_Demo_Geff/z_demo_geff.c
+++ b/src/overlays/actors/ovl_Demo_Geff/z_demo_geff.c
@@ -103,7 +103,7 @@ void func_80977F80(DemoGeff* this, PlayState* play) {
     OPEN_DISPS(gfxCtx, "../z_demo_geff.c", 204);
 
     gSPSegment(POLY_OPA_DISP++, 0x06, play->objectCtx.slots[objectSlot].segment);
-    gSegments[6] = VIRTUAL_TO_PHYSICAL(play->objectCtx.slots[objectSlot].segment);
+    gSegments[6] = OS_K0_TO_PHYSICAL(play->objectCtx.slots[objectSlot].segment);
 
     // Necessary to match
     if (!play) {}
diff --git a/src/overlays/actors/ovl_Door_Killer/z_door_killer.c b/src/overlays/actors/ovl_Door_Killer/z_door_killer.c
index 8aeffa3c1d..15d92cb18a 100644
--- a/src/overlays/actors/ovl_Door_Killer/z_door_killer.c
+++ b/src/overlays/actors/ovl_Door_Killer/z_door_killer.c
@@ -472,9 +472,9 @@ void DoorKiller_Wait(DoorKiller* this, PlayState* play) {
 void DoorKiller_UpdateTexture(Actor* thisx, PlayState* play) {
     DoorKiller* this = (DoorKiller*)thisx;
 
-    gSegments[6] = VIRTUAL_TO_PHYSICAL(play->objectCtx.slots[this->requiredObjectSlot].segment);
+    gSegments[6] = OS_K0_TO_PHYSICAL(play->objectCtx.slots[this->requiredObjectSlot].segment);
     this->texture = SEGMENTED_TO_VIRTUAL(this->texture);
-    gSegments[6] = VIRTUAL_TO_PHYSICAL(play->objectCtx.slots[this->actor.objectSlot].segment);
+    gSegments[6] = OS_K0_TO_PHYSICAL(play->objectCtx.slots[this->actor.objectSlot].segment);
 }
 
 /**
diff --git a/src/overlays/actors/ovl_En_Dnt_Nomal/z_en_dnt_nomal.c b/src/overlays/actors/ovl_En_Dnt_Nomal/z_en_dnt_nomal.c
index e62c3ba41f..f5d3f0b9dd 100644
--- a/src/overlays/actors/ovl_En_Dnt_Nomal/z_en_dnt_nomal.c
+++ b/src/overlays/actors/ovl_En_Dnt_Nomal/z_en_dnt_nomal.c
@@ -192,7 +192,7 @@ void EnDntNomal_Destroy(Actor* thisx, PlayState* play) {
 
 void EnDntNomal_WaitForObject(EnDntNomal* this, PlayState* play) {
     if (Object_IsLoaded(&play->objectCtx, this->requiredObjectSlot)) {
-        gSegments[6] = VIRTUAL_TO_PHYSICAL(play->objectCtx.slots[this->requiredObjectSlot].segment);
+        gSegments[6] = OS_K0_TO_PHYSICAL(play->objectCtx.slots[this->requiredObjectSlot].segment);
         this->actor.objectSlot = this->requiredObjectSlot;
         ActorShape_Init(&this->actor.shape, 0.0f, ActorShadow_DrawCircle, 0.0f);
         this->actor.gravity = -2.0f;
diff --git a/src/overlays/actors/ovl_En_G_Switch/z_en_g_switch.c b/src/overlays/actors/ovl_En_G_Switch/z_en_g_switch.c
index cd17e29eae..8bca3e607a 100644
--- a/src/overlays/actors/ovl_En_G_Switch/z_en_g_switch.c
+++ b/src/overlays/actors/ovl_En_G_Switch/z_en_g_switch.c
@@ -221,7 +221,7 @@ void EnGSwitch_Break(EnGSwitch* this, PlayState* play) {
 
 void EnGSwitch_WaitForObject(EnGSwitch* this, PlayState* play) {
     if (Object_IsLoaded(&play->objectCtx, this->requiredObjectSlot)) {
-        gSegments[6] = VIRTUAL_TO_PHYSICAL(play->objectCtx.slots[this->requiredObjectSlot].segment);
+        gSegments[6] = OS_K0_TO_PHYSICAL(play->objectCtx.slots[this->requiredObjectSlot].segment);
         this->actor.objectSlot = this->requiredObjectSlot;
         this->actor.draw = EnGSwitch_DrawPot;
         this->actionFunc = EnGSwitch_ArcheryPot;
diff --git a/src/overlays/actors/ovl_En_Gm/z_en_gm.c b/src/overlays/actors/ovl_En_Gm/z_en_gm.c
index a3476a809a..4b6a979b58 100644
--- a/src/overlays/actors/ovl_En_Gm/z_en_gm.c
+++ b/src/overlays/actors/ovl_En_Gm/z_en_gm.c
@@ -118,7 +118,7 @@ void func_80A3D838(EnGm* this, PlayState* play) {
     if (Object_IsLoaded(&play->objectCtx, this->gmObjectSlot)) {
         this->actor.flags &= ~ACTOR_FLAG_UPDATE_CULLING_DISABLED;
         SkelAnime_InitFlex(play, &this->skelAnime, &gGoronSkel, NULL, this->jointTable, this->morphTable, 18);
-        gSegments[6] = VIRTUAL_TO_PHYSICAL(play->objectCtx.slots[this->gmObjectSlot].segment);
+        gSegments[6] = OS_K0_TO_PHYSICAL(play->objectCtx.slots[this->gmObjectSlot].segment);
         Animation_Change(&this->skelAnime, &object_gm_Anim_0002B8, 1.0f, 0.0f,
                          Animation_GetLastFrame(&object_gm_Anim_0002B8), ANIMMODE_LOOP, 0.0f);
         this->actor.draw = EnGm_Draw;
@@ -287,7 +287,7 @@ void func_80A3DF60(EnGm* this, PlayState* play) {
 }
 
 void func_80A3DFBC(EnGm* this, PlayState* play) {
-    gSegments[6] = VIRTUAL_TO_PHYSICAL(play->objectCtx.slots[this->gmObjectSlot].segment);
+    gSegments[6] = OS_K0_TO_PHYSICAL(play->objectCtx.slots[this->gmObjectSlot].segment);
     this->timer++;
     this->actionFunc(this, play);
     this->actor.focus.rot.x = this->actor.world.rot.x;
diff --git a/src/overlays/actors/ovl_En_Guest/z_en_guest.c b/src/overlays/actors/ovl_En_Guest/z_en_guest.c
index 7e8c7de9a9..474912abb6 100644
--- a/src/overlays/actors/ovl_En_Guest/z_en_guest.c
+++ b/src/overlays/actors/ovl_En_Guest/z_en_guest.c
@@ -94,7 +94,7 @@ void EnGuest_Update(Actor* thisx, PlayState* play) {
         Actor_ProcessInitChain(&this->actor, sInitChain);
 
         SkelAnime_InitFlex(play, &this->skelAnime, &gHylianMan2Skel, NULL, this->jointTable, this->morphTable, 16);
-        gSegments[6] = VIRTUAL_TO_PHYSICAL(play->objectCtx.slots[this->osAnimeObjectSlot].segment);
+        gSegments[6] = OS_K0_TO_PHYSICAL(play->objectCtx.slots[this->osAnimeObjectSlot].segment);
         Animation_Change(&this->skelAnime, &gObjOsAnim_42AC, 1.0f, 0.0f, Animation_GetLastFrame(&gObjOsAnim_42AC),
                          ANIMMODE_LOOP, 0.0f);
 
@@ -172,7 +172,7 @@ void func_80A505CC(Actor* thisx, PlayState* play) {
 
     Actor_UpdateFidgetTables(play, this->fidgetTableY, this->fidgetTableZ, 16);
 
-    gSegments[6] = VIRTUAL_TO_PHYSICAL(play->objectCtx.slots[this->osAnimeObjectSlot].segment);
+    gSegments[6] = OS_K0_TO_PHYSICAL(play->objectCtx.slots[this->osAnimeObjectSlot].segment);
 
     SkelAnime_Update(&this->skelAnime);
     Actor_SetFocus(&this->actor, 60.0f);
diff --git a/src/overlays/actors/ovl_En_Hy/z_en_hy.c b/src/overlays/actors/ovl_En_Hy/z_en_hy.c
index 3af23db48b..655ebd4789 100644
--- a/src/overlays/actors/ovl_En_Hy/z_en_hy.c
+++ b/src/overlays/actors/ovl_En_Hy/z_en_hy.c
@@ -1162,12 +1162,12 @@ void EnHy_Destroy(Actor* thisx, PlayState* play) {
 void EnHy_WaitForObjects(EnHy* this, PlayState* play) {
     if (EnHy_IsOsAnimeObjectLoaded(this, play) && EnHy_AreSkelAndHeadObjectsLoaded(this, play)) {
         this->actor.objectSlot = this->objectSlotLowerSkel;
-        gSegments[6] = VIRTUAL_TO_PHYSICAL(play->objectCtx.slots[this->actor.objectSlot].segment);
+        gSegments[6] = OS_K0_TO_PHYSICAL(play->objectCtx.slots[this->actor.objectSlot].segment);
         SkelAnime_InitFlex(play, &this->skelAnime,
                            sSkeletonInfo[sModelInfo[ENHY_GET_TYPE(&this->actor)].lowerSkelInfoIndex].skeleton, NULL,
                            this->jointTable, this->morphTable, ENHY_LIMB_MAX);
         ActorShape_Init(&this->actor.shape, 0.0f, ActorShadow_DrawCircle, 0.0f);
-        gSegments[6] = VIRTUAL_TO_PHYSICAL(play->objectCtx.slots[this->objectSlotOsAnime].segment);
+        gSegments[6] = OS_K0_TO_PHYSICAL(play->objectCtx.slots[this->objectSlotOsAnime].segment);
         Collider_InitCylinder(play, &this->collider);
         Collider_SetCylinder(play, &this->collider, &this->actor, &sColCylInit);
         EnHy_InitCollider(this);
@@ -1350,7 +1350,7 @@ void EnHy_Update(Actor* thisx, PlayState* play) {
     EnHy* this = (EnHy*)thisx;
 
     if (this->actionFunc != EnHy_WaitForObjects) {
-        gSegments[6] = VIRTUAL_TO_PHYSICAL(play->objectCtx.slots[this->objectSlotOsAnime].segment);
+        gSegments[6] = OS_K0_TO_PHYSICAL(play->objectCtx.slots[this->objectSlotOsAnime].segment);
         SkelAnime_Update(&this->skelAnime);
         EnHy_UpdateEyes(this);
 
@@ -1377,7 +1377,7 @@ s32 EnHy_OverrideLimbDraw(PlayState* play, s32 limbIndex, Gfx** dList, Vec3f* po
 
     if (limbIndex == ENHY_LIMB_HEAD) {
         gSPSegment(POLY_OPA_DISP++, 0x06, play->objectCtx.slots[this->objectSlotHead].segment);
-        gSegments[6] = VIRTUAL_TO_PHYSICAL(play->objectCtx.slots[this->objectSlotHead].segment);
+        gSegments[6] = OS_K0_TO_PHYSICAL(play->objectCtx.slots[this->objectSlotHead].segment);
         headInfoIndex = sModelInfo[ENHY_GET_TYPE(&this->actor)].headInfoIndex;
         *dList = sHeadInfo[headInfoIndex].headDList;
 
@@ -1386,7 +1386,7 @@ s32 EnHy_OverrideLimbDraw(PlayState* play, s32 limbIndex, Gfx** dList, Vec3f* po
             gSPSegment(POLY_OPA_DISP++, 0x0A, SEGMENTED_TO_VIRTUAL(eyeTex));
         }
 
-        gSegments[6] = VIRTUAL_TO_PHYSICAL(play->objectCtx.slots[this->objectSlotLowerSkel].segment);
+        gSegments[6] = OS_K0_TO_PHYSICAL(play->objectCtx.slots[this->objectSlotLowerSkel].segment);
     }
 
     if (limbIndex == ENHY_LIMB_HEAD) {
@@ -1423,7 +1423,7 @@ void EnHy_PostLimbDraw(PlayState* play, s32 limbIndex, Gfx** dList, Vec3s* rot,
 
     if (limbIndex == ENHY_LIMB_RIGHT_FOOT) {
         gSPSegment(POLY_OPA_DISP++, 0x06, play->objectCtx.slots[this->objectSlotUpperSkel].segment);
-        gSegments[6] = VIRTUAL_TO_PHYSICAL(play->objectCtx.slots[this->objectSlotUpperSkel].segment);
+        gSegments[6] = OS_K0_TO_PHYSICAL(play->objectCtx.slots[this->objectSlotUpperSkel].segment);
     }
 
     if (ENHY_GET_TYPE(&this->actor) == ENHY_TYPE_MAN_2_BALD && limbIndex == ENHY_LIMB_TORSO) {
diff --git a/src/overlays/actors/ovl_En_Ko/z_en_ko.c b/src/overlays/actors/ovl_En_Ko/z_en_ko.c
index 19501f3be2..2ba0af36ef 100644
--- a/src/overlays/actors/ovl_En_Ko/z_en_ko.c
+++ b/src/overlays/actors/ovl_En_Ko/z_en_ko.c
@@ -1186,11 +1186,11 @@ void func_80A99048(EnKo* this, PlayState* play) {
     if (EnKo_IsOsAnimeLoaded(this, play) && EnKo_AreObjectsLoaded(this, play)) {
         this->actor.flags &= ~ACTOR_FLAG_UPDATE_CULLING_DISABLED;
         this->actor.objectSlot = this->legsObjectSlot;
-        gSegments[6] = VIRTUAL_TO_PHYSICAL(play->objectCtx.slots[this->actor.objectSlot].segment);
+        gSegments[6] = OS_K0_TO_PHYSICAL(play->objectCtx.slots[this->actor.objectSlot].segment);
         SkelAnime_InitFlex(play, &this->skelAnime, sSkeleton[sModelInfo[ENKO_TYPE].legsId].flexSkeletonHeader, NULL,
                            this->jointTable, this->morphTable, 16);
         ActorShape_Init(&this->actor.shape, 0.0f, ActorShadow_DrawCircle, 18.0f);
-        gSegments[6] = VIRTUAL_TO_PHYSICAL(play->objectCtx.slots[this->osAnimeObjectSlot].segment);
+        gSegments[6] = OS_K0_TO_PHYSICAL(play->objectCtx.slots[this->osAnimeObjectSlot].segment);
         Collider_InitCylinder(play, &this->collider);
         Collider_SetCylinder(play, &this->collider, &this->actor, &sCylinderInit);
         CollisionCheck_SetInfo2(&this->actor.colChkInfo, NULL, &sColChkInfoInit);
@@ -1305,7 +1305,7 @@ void EnKo_Update(Actor* thisx, PlayState* play) {
 
     if (this->actionFunc != func_80A99048) {
         if ((s32)this->modelAlpha != 0) {
-            gSegments[6] = VIRTUAL_TO_PHYSICAL(play->objectCtx.slots[this->osAnimeObjectSlot].segment);
+            gSegments[6] = OS_K0_TO_PHYSICAL(play->objectCtx.slots[this->osAnimeObjectSlot].segment);
             SkelAnime_Update(&this->skelAnime);
             func_80A98DB4(this, play);
             EnKo_Blink(this);
@@ -1338,7 +1338,7 @@ s32 EnKo_OverrideLimbDraw(PlayState* play, s32 limbIndex, Gfx** dList, Vec3f* po
 
     if (limbIndex == 15) {
         gSPSegment((*gfx)++, 0x06, play->objectCtx.slots[this->headObjectSlot].segment);
-        gSegments[6] = VIRTUAL_TO_PHYSICAL(play->objectCtx.slots[this->headObjectSlot].segment);
+        gSegments[6] = OS_K0_TO_PHYSICAL(play->objectCtx.slots[this->headObjectSlot].segment);
 
         headId = sModelInfo[ENKO_TYPE].headId;
         *dList = sHead[headId].dList;
@@ -1346,7 +1346,7 @@ s32 EnKo_OverrideLimbDraw(PlayState* play, s32 limbIndex, Gfx** dList, Vec3f* po
             eyeTexture = sHead[headId].eyeTextures[this->eyeTextureIndex];
             gSPSegment((*gfx)++, 0x0A, SEGMENTED_TO_VIRTUAL(eyeTexture));
         }
-        gSegments[6] = VIRTUAL_TO_PHYSICAL(play->objectCtx.slots[this->legsObjectSlot].segment);
+        gSegments[6] = OS_K0_TO_PHYSICAL(play->objectCtx.slots[this->legsObjectSlot].segment);
     }
     if (limbIndex == 8) {
         limbRot = this->interactInfo.torsoRot;
@@ -1374,7 +1374,7 @@ void EnKo_PostLimbDraw(PlayState* play2, s32 limbIndex, Gfx** dList, Vec3s* rot,
 
     if (limbIndex == 7) {
         gSPSegment((*gfx)++, 0x06, play->objectCtx.slots[this->bodyObjectSlot].segment);
-        gSegments[6] = VIRTUAL_TO_PHYSICAL(play->objectCtx.slots[this->bodyObjectSlot].segment);
+        gSegments[6] = OS_K0_TO_PHYSICAL(play->objectCtx.slots[this->bodyObjectSlot].segment);
     }
     if (limbIndex == 15) {
         Matrix_MultVec3f(&D_80A9A774, &this->actor.focus.pos);
diff --git a/src/overlays/actors/ovl_En_Niw_Lady/z_en_niw_lady.c b/src/overlays/actors/ovl_En_Niw_Lady/z_en_niw_lady.c
index 6507c88004..2d00504577 100644
--- a/src/overlays/actors/ovl_En_Niw_Lady/z_en_niw_lady.c
+++ b/src/overlays/actors/ovl_En_Niw_Lady/z_en_niw_lady.c
@@ -171,9 +171,9 @@ void func_80AB9F24(EnNiwLady* this, PlayState* play) {
 
     if (Object_IsLoaded(&play->objectCtx, this->aneObjectSlot) &&
         Object_IsLoaded(&play->objectCtx, this->osAnimeObjectSlot)) {
-        gSegments[6] = VIRTUAL_TO_PHYSICAL(play->objectCtx.slots[this->aneObjectSlot].segment);
+        gSegments[6] = OS_K0_TO_PHYSICAL(play->objectCtx.slots[this->aneObjectSlot].segment);
         SkelAnime_InitFlex(play, &this->skelAnime, &gCuccoLadySkel, NULL, this->jointTable, this->morphTable, 16);
-        gSegments[6] = VIRTUAL_TO_PHYSICAL(play->objectCtx.slots[this->osAnimeObjectSlot].segment);
+        gSegments[6] = OS_K0_TO_PHYSICAL(play->objectCtx.slots[this->osAnimeObjectSlot].segment);
         this->unk_27E = 1;
         this->actor.gravity = -3.0f;
         Actor_SetScale(&this->actor, 0.01f);
@@ -534,7 +534,7 @@ void EnNiwLady_Update(Actor* thisx, PlayState* play) {
     if (this->unk_276 == 0) {
         Math_SmoothStepToS(&this->headRot.y, 0, 5, 3000, 0);
     }
-    gSegments[6] = VIRTUAL_TO_PHYSICAL(play->objectCtx.slots[this->osAnimeObjectSlot].segment);
+    gSegments[6] = OS_K0_TO_PHYSICAL(play->objectCtx.slots[this->osAnimeObjectSlot].segment);
     if (this->osAnimeObjectSlot >= 0) {
         if (this->unk_27E != 0) {
             if (this->unk_26E != 0) {
diff --git a/src/overlays/actors/ovl_En_Ossan/z_en_ossan.c b/src/overlays/actors/ovl_En_Ossan/z_en_ossan.c
index 62bee590e8..9d70c9019a 100644
--- a/src/overlays/actors/ovl_En_Ossan/z_en_ossan.c
+++ b/src/overlays/actors/ovl_En_Ossan/z_en_ossan.c
@@ -2025,7 +2025,7 @@ void EnOssan_InitBazaarShopkeeper(EnOssan* this, PlayState* play) {
 
 void EnOssan_InitKokiriShopkeeper(EnOssan* this, PlayState* play) {
     SkelAnime_InitFlex(play, &this->skelAnime, &gKm1Skel, NULL, NULL, NULL, 0);
-    gSegments[6] = VIRTUAL_TO_PHYSICAL(play->objectCtx.slots[this->objectSlot3].segment);
+    gSegments[6] = OS_K0_TO_PHYSICAL(play->objectCtx.slots[this->objectSlot3].segment);
     Animation_Change(&this->skelAnime, &object_masterkokiri_Anim_0004A8, 1.0f, 0.0f,
                      Animation_GetLastFrame(&object_masterkokiri_Anim_0004A8), 0, 0.0f);
     this->actor.draw = EnOssan_DrawKokiriShopkeeper;
@@ -2036,7 +2036,7 @@ void EnOssan_InitKokiriShopkeeper(EnOssan* this, PlayState* play) {
 
 void EnOssan_InitGoronShopkeeper(EnOssan* this, PlayState* play) {
     SkelAnime_InitFlex(play, &this->skelAnime, &gGoronSkel, NULL, NULL, NULL, 0);
-    gSegments[6] = VIRTUAL_TO_PHYSICAL(play->objectCtx.slots[this->objectSlot3].segment);
+    gSegments[6] = OS_K0_TO_PHYSICAL(play->objectCtx.slots[this->objectSlot3].segment);
     Animation_Change(&this->skelAnime, &gGoronShopkeeperAnim, 1.0f, 0.0f, Animation_GetLastFrame(&gGoronShopkeeperAnim),
                      0, 0.0f);
     this->actor.draw = EnOssan_DrawGoronShopkeeper;
@@ -2045,7 +2045,7 @@ void EnOssan_InitGoronShopkeeper(EnOssan* this, PlayState* play) {
 
 void EnOssan_InitZoraShopkeeper(EnOssan* this, PlayState* play) {
     SkelAnime_InitFlex(play, &this->skelAnime, &gZoraSkel, NULL, NULL, NULL, 0);
-    gSegments[6] = VIRTUAL_TO_PHYSICAL(play->objectCtx.slots[this->objectSlot3].segment);
+    gSegments[6] = OS_K0_TO_PHYSICAL(play->objectCtx.slots[this->objectSlot3].segment);
     Animation_Change(&this->skelAnime, &gZoraShopkeeperAnim, 1.0f, 0.0f, Animation_GetLastFrame(&gZoraShopkeeperAnim),
                      0, 0.0f);
     this->actor.draw = EnOssan_DrawZoraShopkeeper;
@@ -2228,7 +2228,7 @@ void EnOssan_InitActionFunc(EnOssan* this, PlayState* play) {
 }
 
 void EnOssan_Obj3ToSeg6(EnOssan* this, PlayState* play) {
-    gSegments[6] = VIRTUAL_TO_PHYSICAL(play->objectCtx.slots[this->objectSlot3].segment);
+    gSegments[6] = OS_K0_TO_PHYSICAL(play->objectCtx.slots[this->objectSlot3].segment);
 }
 
 void EnOssan_MainActionFunc(EnOssan* this, PlayState* play) {
@@ -2398,7 +2398,7 @@ s32 EnOssan_OverrideLimbDrawKokiriShopkeeper(PlayState* play, s32 limbIndex, Gfx
 
     if (limbIndex == 15) {
         gSPSegment(POLY_OPA_DISP++, 0x06, play->objectCtx.slots[this->objectSlot2].segment);
-        gSegments[6] = VIRTUAL_TO_PHYSICAL(play->objectCtx.slots[this->objectSlot2].segment);
+        gSegments[6] = OS_K0_TO_PHYSICAL(play->objectCtx.slots[this->objectSlot2].segment);
         *dList = gKokiriShopkeeperHeadDL;
         gSPSegment(POLY_OPA_DISP++, 0x0A, SEGMENTED_TO_VIRTUAL(sKokiriShopkeeperEyeTextures[this->eyeTextureIdx]));
     }
diff --git a/src/overlays/actors/ovl_En_Sth/z_en_sth.c b/src/overlays/actors/ovl_En_Sth/z_en_sth.c
index 739919dafb..9eb1679a56 100644
--- a/src/overlays/actors/ovl_En_Sth/z_en_sth.c
+++ b/src/overlays/actors/ovl_En_Sth/z_en_sth.c
@@ -158,7 +158,7 @@ void EnSth_SetupAfterObjectLoaded(EnSth* this, PlayState* play) {
     s16* params;
 
     EnSth_SetupShapeColliderUpdate2AndDraw(this, play);
-    gSegments[6] = VIRTUAL_TO_PHYSICAL(play->objectCtx.slots[this->requiredObjectSlot].segment);
+    gSegments[6] = OS_K0_TO_PHYSICAL(play->objectCtx.slots[this->requiredObjectSlot].segment);
     SkelAnime_InitFlex(play, &this->skelAnime, sSkeletons[this->actor.params], NULL, this->jointTable, this->morphTable,
                        16);
     Animation_PlayLoop(&this->skelAnime, sAnimations[this->actor.params]);
@@ -401,7 +401,7 @@ void EnSth_Draw(Actor* thisx, PlayState* play) {
 
     OPEN_DISPS(play->state.gfxCtx, "../z_en_sth.c", 2133);
 
-    gSegments[6] = VIRTUAL_TO_PHYSICAL(play->objectCtx.slots[this->requiredObjectSlot].segment);
+    gSegments[6] = OS_K0_TO_PHYSICAL(play->objectCtx.slots[this->requiredObjectSlot].segment);
     Gfx_SetupDL_37Opa(play->state.gfxCtx);
 
     gSPSegment(POLY_OPA_DISP++, 0x08,
diff --git a/src/overlays/actors/ovl_En_Viewer/z_en_viewer.c b/src/overlays/actors/ovl_En_Viewer/z_en_viewer.c
index 5db75cbfe2..3290bb3e85 100644
--- a/src/overlays/actors/ovl_En_Viewer/z_en_viewer.c
+++ b/src/overlays/actors/ovl_En_Viewer/z_en_viewer.c
@@ -140,7 +140,7 @@ void EnViewer_InitAnimGanondorfOrZelda(EnViewer* this, PlayState* play, void* sk
         SkelAnime_Init(play, &this->skin.skelAnime, skeletonHeaderSeg, NULL, NULL, NULL, 0);
     }
 
-    gSegments[6] = VIRTUAL_TO_PHYSICAL(play->objectCtx.slots[this->animObjectSlot].segment);
+    gSegments[6] = OS_K0_TO_PHYSICAL(play->objectCtx.slots[this->animObjectSlot].segment);
     if (type == ENVIEWER_TYPE_3_GANONDORF || type == ENVIEWER_TYPE_7_GANONDORF || type == ENVIEWER_TYPE_8_GANONDORF ||
         type == ENVIEWER_TYPE_9_GANONDORF) {
         Animation_PlayLoopSetSpeed(&this->skin.skelAnime, anim, 1.0f);
@@ -151,7 +151,7 @@ void EnViewer_InitAnimGanondorfOrZelda(EnViewer* this, PlayState* play, void* sk
 
 void EnViewer_InitAnimImpa(EnViewer* this, PlayState* play, void* skeletonHeaderSeg, AnimationHeader* anim) {
     SkelAnime_InitFlex(play, &this->skin.skelAnime, skeletonHeaderSeg, NULL, NULL, NULL, 0);
-    gSegments[6] = VIRTUAL_TO_PHYSICAL(play->objectCtx.slots[this->animObjectSlot].segment);
+    gSegments[6] = OS_K0_TO_PHYSICAL(play->objectCtx.slots[this->animObjectSlot].segment);
     Animation_PlayLoopSetSpeed(&this->skin.skelAnime, anim, 3.0f);
 }
 
@@ -504,7 +504,7 @@ void EnViewer_UpdateImpl(EnViewer* this, PlayState* play) {
 void EnViewer_Update(Actor* thisx, PlayState* play) {
     EnViewer* this = (EnViewer*)thisx;
 
-    gSegments[6] = VIRTUAL_TO_PHYSICAL(play->objectCtx.slots[this->animObjectSlot].segment);
+    gSegments[6] = OS_K0_TO_PHYSICAL(play->objectCtx.slots[this->animObjectSlot].segment);
     this->actionFunc(this, play);
 }
 
diff --git a/src/overlays/actors/ovl_En_Zl2/z_en_zl2.c b/src/overlays/actors/ovl_En_Zl2/z_en_zl2.c
index 66a7b7c402..cb120b20cc 100644
--- a/src/overlays/actors/ovl_En_Zl2/z_en_zl2.c
+++ b/src/overlays/actors/ovl_En_Zl2/z_en_zl2.c
@@ -596,7 +596,7 @@ void EnZl2_PostLimbDraw(PlayState* play, s32 limbIndex, Gfx** dList, Vec3s* rot,
 void func_80B4FCCC(EnZl2* this, PlayState* play) {
     s32 objectSlot = this->zl2Anime1ObjectSlot;
 
-    gSegments[6] = VIRTUAL_TO_PHYSICAL(play->objectCtx.slots[objectSlot].segment);
+    gSegments[6] = OS_K0_TO_PHYSICAL(play->objectCtx.slots[objectSlot].segment);
 }
 
 void func_80B4FD00(EnZl2* this, AnimationHeader* animation, u8 arg2, f32 morphFrames, s32 arg4) {
diff --git a/src/overlays/actors/ovl_En_Zl3/z_en_zl3.c b/src/overlays/actors/ovl_En_Zl3/z_en_zl3.c
index 47f2c3b699..3fbe1b5fb1 100644
--- a/src/overlays/actors/ovl_En_Zl3/z_en_zl3.c
+++ b/src/overlays/actors/ovl_En_Zl3/z_en_zl3.c
@@ -765,7 +765,7 @@ s32 func_80B54DD4(EnZl3* this) {
 void func_80B54DE0(EnZl3* this, PlayState* play) {
     s32 objectSlot = this->zl2Anime2ObjectSlot;
 
-    gSegments[6] = VIRTUAL_TO_PHYSICAL(play->objectCtx.slots[objectSlot].segment);
+    gSegments[6] = OS_K0_TO_PHYSICAL(play->objectCtx.slots[objectSlot].segment);
 }
 
 void func_80B54E14(EnZl3* this, AnimationHeader* animation, u8 arg2, f32 morphFrames, s32 arg4) {
diff --git a/src/overlays/effects/ovl_Effect_Ss_D_Fire/z_eff_ss_d_fire.c b/src/overlays/effects/ovl_Effect_Ss_D_Fire/z_eff_ss_d_fire.c
index b66766dd19..c32349e1fa 100644
--- a/src/overlays/effects/ovl_Effect_Ss_D_Fire/z_eff_ss_d_fire.c
+++ b/src/overlays/effects/ovl_Effect_Ss_D_Fire/z_eff_ss_d_fire.c
@@ -87,7 +87,7 @@ void EffectSsDFire_Draw(PlayState* play, u32 index, EffectSs* this) {
     OPEN_DISPS(gfxCtx, "../z_eff_ss_d_fire.c", 276);
 
     if (Object_GetSlot(&play->objectCtx, OBJECT_DODONGO) >= 0) {
-        gSegments[6] = VIRTUAL_TO_PHYSICAL(objectPtr);
+        gSegments[6] = OS_K0_TO_PHYSICAL(objectPtr);
         gSPSegment(POLY_XLU_DISP++, 0x06, objectPtr);
         scale = this->rScale / 100.0f;
         SkinMatrix_SetTranslate(&mfTrans, this->pos.x, this->pos.y, this->pos.z);
@@ -103,7 +103,7 @@ void EffectSsDFire_Draw(PlayState* play, u32 index, EffectSs* this) {
             gDPSetEnvColor(POLY_XLU_DISP++, 255, 0, 0, 0);
             gDPSetPrimColor(POLY_XLU_DISP++, 0, 0, this->rPrimColorR, this->rPrimColorG, this->rPrimColorB,
                             this->rPrimColorA);
-            gSegments[6] = VIRTUAL_TO_PHYSICAL(objectPtr);
+            gSegments[6] = OS_K0_TO_PHYSICAL(objectPtr);
             gSPSegment(POLY_XLU_DISP++, 0x08, SEGMENTED_TO_VIRTUAL(sTextures[this->rTexIndex]));
             gSPDisplayList(POLY_XLU_DISP++, this->gfx);
         }
diff --git a/src/overlays/effects/ovl_Effect_Ss_Extra/z_eff_ss_extra.c b/src/overlays/effects/ovl_Effect_Ss_Extra/z_eff_ss_extra.c
index 3af854c502..c5cee8db21 100644
--- a/src/overlays/effects/ovl_Effect_Ss_Extra/z_eff_ss_extra.c
+++ b/src/overlays/effects/ovl_Effect_Ss_Extra/z_eff_ss_extra.c
@@ -39,7 +39,7 @@ u32 EffectSsExtra_Init(PlayState* play, u32 index, EffectSs* this, void* initPar
     if ((objectSlot >= 0) && Object_IsLoaded(&play->objectCtx, objectSlot)) {
         uintptr_t oldSeg6 = gSegments[6];
 
-        gSegments[6] = VIRTUAL_TO_PHYSICAL(play->objectCtx.slots[objectSlot].segment);
+        gSegments[6] = OS_K0_TO_PHYSICAL(play->objectCtx.slots[objectSlot].segment);
         this->pos = initParams->pos;
         this->velocity = initParams->velocity;
         this->accel = initParams->accel;
@@ -71,7 +71,7 @@ void EffectSsExtra_Draw(PlayState* play, u32 index, EffectSs* this) {
 
     OPEN_DISPS(play->state.gfxCtx, "../z_eff_ss_extra.c", 168);
 
-    gSegments[6] = VIRTUAL_TO_PHYSICAL(objectPtr);
+    gSegments[6] = OS_K0_TO_PHYSICAL(objectPtr);
     gSPSegment(POLY_XLU_DISP++, 0x06, objectPtr);
     Matrix_Translate(this->pos.x, this->pos.y, this->pos.z, MTXMODE_NEW);
     Matrix_Scale(scale, scale, scale, MTXMODE_APPLY);
diff --git a/src/overlays/effects/ovl_Effect_Ss_Fhg_Flash/z_eff_ss_fhg_flash.c b/src/overlays/effects/ovl_Effect_Ss_Fhg_Flash/z_eff_ss_fhg_flash.c
index edf09c372e..60cad10d01 100644
--- a/src/overlays/effects/ovl_Effect_Ss_Fhg_Flash/z_eff_ss_fhg_flash.c
+++ b/src/overlays/effects/ovl_Effect_Ss_Fhg_Flash/z_eff_ss_fhg_flash.c
@@ -55,7 +55,7 @@ u32 EffectSsFhgFlash_Init(PlayState* play, u32 index, EffectSs* this, void* init
 
         if ((objectSlot >= 0) && Object_IsLoaded(&play->objectCtx, objectSlot)) {
             prevSeg6 = gSegments[6];
-            gSegments[6] = VIRTUAL_TO_PHYSICAL(play->objectCtx.slots[objectSlot].segment);
+            gSegments[6] = OS_K0_TO_PHYSICAL(play->objectCtx.slots[objectSlot].segment);
             this->rObjectSlot = objectSlot;
             this->pos = initParams->pos;
             this->velocity = initParams->velocity;
@@ -111,7 +111,7 @@ void EffectSsFhgFlash_DrawLightBall(PlayState* play, u32 index, EffectSs* this)
 
     Matrix_Translate(this->pos.x, this->pos.y, this->pos.z, MTXMODE_NEW);
     Matrix_Scale(scale, scale, scale, MTXMODE_APPLY);
-    gSegments[6] = VIRTUAL_TO_PHYSICAL(objectPtr);
+    gSegments[6] = OS_K0_TO_PHYSICAL(objectPtr);
     gSPSegment(POLY_XLU_DISP++, 0x06, objectPtr);
     Gfx_SetupDL_25Xlu(play->state.gfxCtx);
     gDPSetPrimColor(POLY_XLU_DISP++, 0, 0, 255, 255, 255, this->rAlpha);
diff --git a/src/overlays/effects/ovl_Effect_Ss_G_Magma2/z_eff_ss_g_magma2.c b/src/overlays/effects/ovl_Effect_Ss_G_Magma2/z_eff_ss_g_magma2.c
index 9ee5cbe831..316f65258a 100644
--- a/src/overlays/effects/ovl_Effect_Ss_G_Magma2/z_eff_ss_g_magma2.c
+++ b/src/overlays/effects/ovl_Effect_Ss_G_Magma2/z_eff_ss_g_magma2.c
@@ -53,7 +53,7 @@ u32 EffectSsGMagma2_Init(PlayState* play, u32 index, EffectSs* this, void* initP
         Vec3f zeroVec = { 0.0f, 0.0f, 0.0f };
         EffectSsGMagma2InitParams* initParams = (EffectSsGMagma2InitParams*)initParamsx;
 
-        gSegments[6] = VIRTUAL_TO_PHYSICAL(play->objectCtx.slots[objectSlot].segment);
+        gSegments[6] = OS_K0_TO_PHYSICAL(play->objectCtx.slots[objectSlot].segment);
         this->rObjectSlot = objectSlot;
         this->pos = initParams->pos;
         this->velocity = zeroVec;
@@ -92,7 +92,7 @@ void EffectSsGMagma2_Draw(PlayState* play, u32 index, EffectSs* this) {
 
     Matrix_Translate(this->pos.x, this->pos.y, this->pos.z, MTXMODE_NEW);
     Matrix_Scale(scale, scale, scale, MTXMODE_APPLY);
-    gSegments[6] = VIRTUAL_TO_PHYSICAL(objectPtr);
+    gSegments[6] = OS_K0_TO_PHYSICAL(objectPtr);
     gSPSegment(POLY_XLU_DISP++, 0x06, objectPtr);
     MATRIX_FINALIZE_AND_LOAD(POLY_XLU_DISP++, gfxCtx, "../z_eff_ss_g_magma2.c", 282);
 
diff --git a/src/overlays/effects/ovl_Effect_Ss_Ice_Smoke/z_eff_ss_ice_smoke.c b/src/overlays/effects/ovl_Effect_Ss_Ice_Smoke/z_eff_ss_ice_smoke.c
index ab30ad37da..1445e61d02 100644
--- a/src/overlays/effects/ovl_Effect_Ss_Ice_Smoke/z_eff_ss_ice_smoke.c
+++ b/src/overlays/effects/ovl_Effect_Ss_Ice_Smoke/z_eff_ss_ice_smoke.c
@@ -40,7 +40,7 @@ u32 EffectSsIceSmoke_Init(PlayState* play, u32 index, EffectSs* this, void* init
     if ((objectSlot >= 0) && Object_IsLoaded(&play->objectCtx, objectSlot)) {
         uintptr_t prevSeg6 = gSegments[6];
 
-        gSegments[6] = VIRTUAL_TO_PHYSICAL(play->objectCtx.slots[objectSlot].segment);
+        gSegments[6] = OS_K0_TO_PHYSICAL(play->objectCtx.slots[objectSlot].segment);
         Math_Vec3f_Copy(&this->pos, &initParams->pos);
         Math_Vec3f_Copy(&this->velocity, &initParams->velocity);
         Math_Vec3f_Copy(&this->accel, &initParams->accel);
@@ -76,7 +76,7 @@ void EffectSsIceSmoke_Draw(PlayState* play, u32 index, EffectSs* this) {
     if ((objectSlot >= 0) && Object_IsLoaded(&play2->objectCtx, objectSlot)) {
         gDPPipeSync(POLY_XLU_DISP++);
         Gfx_SetupDL_25Xlu(play->state.gfxCtx);
-        gSegments[6] = VIRTUAL_TO_PHYSICAL(objectPtr);
+        gSegments[6] = OS_K0_TO_PHYSICAL(objectPtr);
         gSPSegment(POLY_XLU_DISP++, 0x06, objectPtr);
         gSPDisplayList(POLY_XLU_DISP++, SEGMENTED_TO_VIRTUAL(gFreezardSteamStartDL));
         gDPPipeSync(POLY_XLU_DISP++);
diff --git a/src/overlays/misc/ovl_kaleido_scope/z_kaleido_scope.c b/src/overlays/misc/ovl_kaleido_scope/z_kaleido_scope.c
index 0cddaa3888..34c3b46a4d 100644
--- a/src/overlays/misc/ovl_kaleido_scope/z_kaleido_scope.c
+++ b/src/overlays/misc/ovl_kaleido_scope/z_kaleido_scope.c
@@ -3663,7 +3663,7 @@ void KaleidoScope_Update(PlayState* play) {
             DMA_REQUEST_SYNC(pauseCtx->iconItemSegment, (uintptr_t)_icon_item_staticSegmentRomStart, size0,
                              "../z_kaleido_scope_PAL.c", 3662);
 
-            gSegments[8] = VIRTUAL_TO_PHYSICAL(pauseCtx->iconItemSegment);
+            gSegments[8] = OS_K0_TO_PHYSICAL(pauseCtx->iconItemSegment);
 
             for (i = 0; i < ARRAY_COUNTU(gItemAgeReqs); i++) {
                 if (!CHECK_AGE_REQ_ITEM(i)) {