pokecrystal/home/compare.asm

36 lines
368 B
NASM

CompareBytes::
; Compare c bytes at de and hl.
; Return z if they all match.
.loop
ld a, [de]
cp [hl]
ret nz
inc de
inc hl
dec c
jr nz, .loop
ret
CompareBytesLong::
; Compare bc bytes at de and hl.
; Return carry if they all match.
.loop
ld a, [de]
cp [hl]
jr nz, .diff
inc de
inc hl
dec bc
ld a, b
or c
jr nz, .loop
scf
ret
.diff:
and a
ret