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WriteOAMDMACodeToHRAM::
ld c, LOW(hTransferVirtualOAM)
ld b, OAMDMACodeEnd - OAMDMACode
ld hl, OAMDMACode
.copy
ld a, [hli]
ldh [c], a
inc c
dec b
jr nz, .copy
ret
OAMDMACode:
; This code is defined in ROM, but
; copied to and called from HRAM.
LOAD "OAM DMA", HRAM
hTransferVirtualOAM::
; initiate DMA
ld a, HIGH(wVirtualOAM)
ldh [rDMA], a
; wait for DMA to finish
ld a, NUM_SPRITE_OAM_STRUCTS
.wait
dec a
jr nz, .wait
ret
ENDL
OAMDMACodeEnd:
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