mirror of https://github.com/pret/pokecrystal.git
23 lines
345 B
NASM
23 lines
345 B
NASM
DelayFrame:: ; 45a
|
|
; Wait for one frame
|
|
ld a, 1
|
|
ld [VBlankOccurred], a
|
|
|
|
; Wait for the next VBlank, halting to conserve battery
|
|
.halt
|
|
halt ; rgbasm adds a nop after this instruction by default
|
|
ld a, [VBlankOccurred]
|
|
and a
|
|
jr nz, .halt
|
|
ret
|
|
; 468
|
|
|
|
|
|
DelayFrames:: ; 468
|
|
; Wait c frames
|
|
call DelayFrame
|
|
dec c
|
|
jr nz, DelayFrames
|
|
ret
|
|
; 46f
|