mirror of https://github.com/pret/pokecrystal.git
409 lines
4.4 KiB
NASM
409 lines
4.4 KiB
NASM
Serial: ; 6ef
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; The serial interrupt.
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push af
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push bc
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push de
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push hl
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ld a, [$ffc9]
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and a
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jr nz, .asm_71c
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ld a, [$c2d4]
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bit 0, a
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jr nz, .asm_721
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ld a, [$ffcb]
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inc a
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jr z, .asm_726
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ld a, [rSB]
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ld [hSerialReceive], a
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ld a, [hSerialSend]
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ld [rSB], a
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ld a, [$ffcb]
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cp $2
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jr z, .asm_752
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ld a, 0 << rSC_ON
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ld [rSC], a
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ld a, 1 << rSC_ON
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ld [rSC], a
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jr .asm_752
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.asm_71c
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call Function3e80
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jr .asm_75a
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.asm_721
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call Function2057
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jr .asm_75a
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.asm_726
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ld a, [rSB]
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cp $1
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jr z, .asm_730
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cp $2
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jr nz, .asm_752
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.asm_730
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ld [hSerialReceive], a
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ld [$ffcb], a
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cp $2
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jr z, .asm_74f
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xor a
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ld [rSB], a
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ld a, $3
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ld [rDIV], a
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.asm_73f
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ld a, [rDIV]
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bit 7, a
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jr nz, .asm_73f
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ld a, 0 << rSC_ON
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ld [rSC], a
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ld a, 1 << rSC_ON
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ld [rSC], a
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jr .asm_752
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.asm_74f
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xor a
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ld [rSB], a
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.asm_752
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ld a, $1
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ld [$ffca], a
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ld a, $fe
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ld [hSerialSend], a
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.asm_75a
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pop hl
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pop de
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pop bc
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pop af
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reti
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; 75f
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Function75f: ; 75f
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ld a, $1
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ld [$ffcc], a
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.asm_763
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ld a, [hl]
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ld [hSerialSend], a
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call Function78a
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push bc
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ld b, a
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inc hl
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ld a, $30
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.asm_76e
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dec a
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jr nz, .asm_76e
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ld a, [$ffcc]
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and a
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ld a, b
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pop bc
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jr z, .asm_782
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dec hl
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cp $fd
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jr nz, .asm_763
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xor a
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ld [$ffcc], a
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jr .asm_763
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.asm_782
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ld [de], a
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inc de
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dec bc
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ld a, b
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or c
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jr nz, .asm_763
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ret
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; 78a
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Function78a: ; 78a
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xor a
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ld [$ffca], a
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ld a, [$ffcb]
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cp $2
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jr nz, .asm_79b
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ld a, $1
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ld [rSC], a
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ld a, $81
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ld [rSC], a
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.asm_79b
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ld a, [$ffca]
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and a
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jr nz, .asm_7e5
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ld a, [$ffcb]
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cp $1
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jr nz, .asm_7c0
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call Function82b
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jr z, .asm_7c0
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call .asm_825
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push hl
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ld hl, $cf5c
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inc [hl]
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jr nz, .asm_7b7
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dec hl
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inc [hl]
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.asm_7b7
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pop hl
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call Function82b
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jr nz, .asm_79b
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jp Function833
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.asm_7c0
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ld a, [rIE]
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and $f
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cp $8
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jr nz, .asm_79b
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ld a, [$cf5d]
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dec a
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ld [$cf5d], a
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jr nz, .asm_79b
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ld a, [$cf5e]
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dec a
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ld [$cf5e], a
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jr nz, .asm_79b
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ld a, [$ffcb]
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cp $1
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jr z, .asm_7e5
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ld a, $ff
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.asm_7e2
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dec a
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jr nz, .asm_7e2
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.asm_7e5
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xor a
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ld [$ffca], a
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ld a, [rIE]
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and $f
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sub $8
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jr nz, .asm_7f8
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ld [$cf5d], a
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ld a, $50
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ld [$cf5e], a
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.asm_7f8
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ld a, [hSerialReceive]
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cp $fe
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ret nz
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call Function82b
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jr z, .asm_813
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push hl
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ld hl, $cf5c
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ld a, [hl]
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dec a
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ld [hld], a
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inc a
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jr nz, .asm_80d
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dec [hl]
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.asm_80d
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pop hl
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call Function82b
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jr z, Function833
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.asm_813
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ld a, [rIE]
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and $f
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cp $8
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ld a, $fe
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ret z
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ld a, [hl]
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ld [hSerialSend], a
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call DelayFrame
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jp Function78a
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.asm_825
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ld a, $f
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.asm_827
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dec a
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jr nz, .asm_827
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ret
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; 82b
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Function82b: ; 82b
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push hl
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ld hl, $cf5b
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ld a, [hli]
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or [hl]
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pop hl
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ret
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; 833
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Function833: ; 833
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dec a
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ld [$cf5b], a
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ld [$cf5c], a
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ret
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; 83b
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Function83b: ; 83b
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ld hl, $cf56
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ld de, $cf51
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ld c, $2
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ld a, $1
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ld [$ffcc], a
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.asm_847
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call DelayFrame
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ld a, [hl]
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ld [hSerialSend], a
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call Function78a
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ld b, a
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inc hl
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ld a, [$ffcc]
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and a
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ld a, $0
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ld [$ffcc], a
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jr nz, .asm_847
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ld a, b
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ld [de], a
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inc de
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dec c
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jr nz, .asm_847
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ret
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; 862
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Function862: ; 862
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call Function309d
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callab Function4000
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call Function87d
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jp Function30b4
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; 871
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Function871: ; 871
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call Function309d
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callab Function4000
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jp Function87d
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; 87d
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Function87d: ; 87d
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ld a, $ff
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ld [$cf52], a
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.asm_882
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call Function8c1
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call DelayFrame
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call Function82b
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jr z, .asm_89e
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push hl
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ld hl, $cf5c
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dec [hl]
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jr nz, .asm_89d
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dec hl
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dec [hl]
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jr nz, .asm_89d
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pop hl
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xor a
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jp Function833
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.asm_89d
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pop hl
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.asm_89e
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ld a, [$cf52]
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inc a
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jr z, .asm_882
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ld b, $a
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.asm_8a6
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call DelayFrame
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call Function8c1
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dec b
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jr nz, .asm_8a6
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ld b, $a
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.asm_8b1
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call DelayFrame
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call Function908
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dec b
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jr nz, .asm_8b1
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ld a, [$cf52]
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ld [$cf51], a
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ret
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; 8c1
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Function8c1: ; 8c1
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push bc
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ld b, $60
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ld a, [InLinkBattle]
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cp $1
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jr z, .asm_8d7
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ld b, $60
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jr c, .asm_8d7
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cp $2
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ld b, $70
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jr z, .asm_8d7
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ld b, $80
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.asm_8d7
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call Function8f3
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ld a, [$cf56]
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add b
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ld [hSerialSend], a
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ld a, [$ffcb]
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cp $2
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jr nz, .asm_8ee
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ld a, $1
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ld [rSC], a
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ld a, $81
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ld [rSC], a
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.asm_8ee
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call Function8f3
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pop bc
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ret
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; 8f3
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Function8f3: ; 8f3
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ld a, [hSerialReceive]
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ld [$cf51], a
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and $f0
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cp b
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ret nz
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xor a
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ld [hSerialReceive], a
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ld a, [$cf51]
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and $f
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ld [$cf52], a
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ret
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; 908
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Function908: ; 908
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xor a
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ld [hSerialSend], a
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ld a, [$ffcb]
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cp $2
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ret nz
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ld a, $1
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ld [rSC], a
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ld a, $81
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ld [rSC], a
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ret
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; 919
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Function919: ; 919
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ld a, [InLinkBattle]
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and a
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ret nz
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ld a, $2
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ld [rSB], a
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xor a
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ld [hSerialReceive], a
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ld a, $0
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ld [rSC], a
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ld a, $80
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ld [rSC], a
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ret
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; 92e
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