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authorentrpntr <entrpntr@gmail.com>2020-03-17 15:23:39 -0400
committerentrpntr <entrpntr@gmail.com>2020-03-17 15:23:39 -0400
commitc248b30aa7487b51a9182a833b1db29f14a7267c (patch)
treeea00fee853340ff7a4b2ab2da8cb902105e854f1 /engine/gfx/load_push_oam.asm
parentd7327a64949c5abb607299184507c89e4c4f1387 (diff)
Cleanup of files for banks $01 and $04 for main.asm.
Diffstat (limited to 'engine/gfx/load_push_oam.asm')
-rw-r--r--engine/gfx/load_push_oam.asm24
1 files changed, 24 insertions, 0 deletions
diff --git a/engine/gfx/load_push_oam.asm b/engine/gfx/load_push_oam.asm
new file mode 100644
index 00000000..641439ec
--- /dev/null
+++ b/engine/gfx/load_push_oam.asm
@@ -0,0 +1,24 @@
+DummyPredef1:
+ ret
+
+WriteOAMDMACodeToHRAM::
+ ld c, LOW(hTransferVirtualOAM)
+ ld b, .PushOAMEnd - .PushOAM
+ ld hl, .PushOAM
+.loop
+ ld a, [hli]
+ ldh [c], a
+ inc c
+ dec b
+ jr nz, .loop
+ ret
+
+.PushOAM:
+ ld a, HIGH(wVirtualOAM)
+ ldh [rDMA], a
+ ld a, NUM_SPRITE_OAM_STRUCTS
+.pushoam_loop
+ dec a
+ jr nz, .pushoam_loop
+ ret
+.PushOAMEnd