pokegold-spaceworld/home/delay.asm
luckytyphlosion e1659ecd41 Introduce linkerscript.
Addresses of sections will now be added to the linkerscript via `org`, and the section name will be the path/to/file. If there is more than one section in the file, then add a @SectionName after the path/to/file to describe the section.
2018-07-03 17:07:05 -04:00

22 lines
377 B
NASM

INCLUDE "constants.asm"
SECTION "home/delay.asm", ROM0
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