mirror of https://github.com/pret/pokecrystal.git
126 lines
1.7 KiB
NASM
126 lines
1.7 KiB
NASM
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PrintLetterDelay:: ; 313d
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; Wait before printing the next letter.
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; The text speed setting in wOptions is actually a frame count:
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; fast: 1 frame
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; mid: 3 frames
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; slow: 5 frames
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; wTextBoxFlags[!0] and A or B override text speed with a one-frame delay.
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; wOptions[4] and wTextBoxFlags[!1] disable the delay.
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ld a, [wOptions]
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bit NO_TEXT_SCROLL, a
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ret nz
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; non-scrolling text?
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ld a, [wTextBoxFlags]
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bit NO_TEXT_DELAY_F, a
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ret z
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push hl
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push de
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push bc
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ld hl, hOAMUpdate
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ld a, [hl]
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push af
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; orginally turned oam update off...
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; ld a, 1
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ld [hl], a
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; force fast scroll?
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ld a, [wTextBoxFlags]
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bit FAST_TEXT_DELAY_F, a
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jr z, .fast
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; text speed
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ld a, [wOptions]
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and %111
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jr .updatedelay
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.fast
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ld a, TEXT_DELAY_FAST
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.updatedelay
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ld [wTextDelayFrames], a
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.checkjoypad
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call GetJoypad
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; input override
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ld a, [wDisableTextAcceleration]
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and a
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jr nz, .wait
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; Wait one frame if holding A or B.
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ld a, [hJoyDown]
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bit A_BUTTON_F, a
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jr z, .checkb
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jr .delay
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.checkb
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bit B_BUTTON_F, a
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jr z, .wait
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.delay
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call DelayFrame
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jr .end
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.wait
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ld a, [wTextDelayFrames]
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and a
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jr nz, .checkjoypad
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.end
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pop af
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ld [hOAMUpdate], a
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pop bc
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pop de
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pop hl
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ret
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; 318c
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CopyDataUntil:: ; 318c
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; Copy [hl .. bc) to de.
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; In other words, the source data is
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; from hl up to but not including bc,
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; and the destination is de.
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ld a, [hli]
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ld [de], a
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inc de
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ld a, h
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cp b
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jr nz, CopyDataUntil
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ld a, l
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cp c
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jr nz, CopyDataUntil
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ret
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; 0x3198
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PrintNum:: ; 3198
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homecall _PrintNum
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ret
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; 31a4
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MobilePrintNum:: ; 31a4
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homecall _MobilePrintNum
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ret
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; 31b0
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FarPrintText:: ; 31b0
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ld [hBuffer], a
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ld a, [hROMBank]
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push af
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ld a, [hBuffer]
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rst Bankswitch
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call PrintText
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pop af
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rst Bankswitch
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ret
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; 31be
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