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INCLUDE "constants.asm"
SECTION "home/print_text.asm", ROM0
PrintLetterDelay::
ld a, [wce5f]
bit 4, a
ret nz
ld a, [wTextBoxFlags]
bit 1, a
ret z
push hl
push de
push bc
ld a, [wTextBoxFlags]
bit 0, a
jr z, .waitOneFrame
ld a, [wce5f]
and $07
jr .initFrameCnt
.waitOneFrame
ld a, $01
.initFrameCnt
ld [wVBlankJoyFrameCounter], a
.checkButtons
call GetJoypad
ldh a, [hJoyState]
.checkAButton
bit 0, a ; is the A button pressed?
jr z, .checkBButton
jr .endWait
.checkBButton
bit 1, a ; is the B button pressed?
jr z, .buttonsNotPressed
.endWait
call DelayFrame
jr .done
.buttonsNotPressed ; if neither A nor B is pressed
ld a, [wVBlankJoyFrameCounter]
and a
jr nz, .checkButtons
.done
pop bc
pop de
pop hl
ret
CopyDataUntil::
; Copy [hl .. bc) to de.
; In other words, the source data is
; from hl up to but not including bc,
; and the destination is de.
.loop:
ld a, [hli]
ld [de], a
inc de
ld a, h
cp b
jr nz, .loop
ld a, l
cp c
jr nz, .loop
ret
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