; set current dest VRAM bank to 0
BankswitchVRAM0:
	push af
	xor a
	ldh [hBankVRAM], a
	ldh [rVBK], a
	pop af
	ret

; set current dest VRAM bank to 1
BankswitchVRAM1:
	push af
	ld a, $1
	ldh [hBankVRAM], a
	ldh [rVBK], a
	pop af
	ret

; set current dest VRAM bank to a
BankswitchVRAM:
	ldh [hBankVRAM], a
	ldh [rVBK], a
	ret