shithub: pokecrystal

ref: ac48d654987ef1df3a7ca6e5a40d8e6eab477d7f
dir: /home/delay.asm/

View raw version 
DelayFrame::
; Wait for one frame
	ld a, 1
	ld [wVBlankOccurred], a

; Wait for the next VBlank, halting to conserve battery
.halt
	halt ; rgbasm adds a nop after this instruction by default
	ld a, [wVBlankOccurred]
	and a
	jr nz, .halt
	ret

DelayFrames::
; Wait c frames
	call DelayFrame
	dec c
	jr nz, DelayFrames
	ret