more splitting, move ewram sprite vars to C

src/sprite.c

@@ -1,3 +1,25 @@
 #include "global.h"
 #include "sprite.h"
 
+#define OAM_MATRIX_COUNT 32
+
+struct SpriteCopyRequest
+{
+    const u8 *src;
+    u8 *dest;
+    u16 size;
+};
+
+EWRAM_DATA struct Sprite gSprites[MAX_SPRITES + 1] = {0};
+EWRAM_DATA u16 gSpritePriorities[MAX_SPRITES] = {0};
+EWRAM_DATA u8 gSpriteOrder[MAX_SPRITES] = {0};
+EWRAM_DATA bool8 gShouldProcessSpriteCopyRequests = 0;
+EWRAM_DATA u8 gSpriteCopyRequestCount = 0;
+EWRAM_DATA struct SpriteCopyRequest gSpriteCopyRequests[MAX_SPRITES] = {0};
+EWRAM_DATA u8 gOamLimit = 0;
+EWRAM_DATA u16 gReservedSpriteTileCount = 0;
+EWRAM_DATA u8 gSpriteTileAllocBitmap[128] = {0};
+EWRAM_DATA s16 gSpriteCoordOffsetX = 0;
+EWRAM_DATA s16 gSpriteCoordOffsetY = 0;
+EWRAM_DATA struct OamMatrix gOamMatrices[OAM_MATRIX_COUNT] = {0};
+EWRAM_DATA bool8 gAffineAnimsDisabled = 0;