INCLUDE "constants.asm" SECTION "Delay", ROM0[$0317] DelayFrame:: ; Wait for one frame ld a, 1 ld [wVBlankOccurred], a .halt ; Wait for the next VBlank, halting to conserve battery 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