ref: 0dc5ae04b82143b1cbff50a9d25ebe21326305ae
dir: /home/serial.asm/
Serial:: ; 6ef ; The serial interrupt. push af push bc push de push hl ld a, [hFFC9] and a jr nz, .asm_71c ld a, [wc2d4] bit 0, a jr nz, .asm_721 ld a, [hLinkPlayerNumber] inc a ; is it equal to -1? jr z, .asm_726 ld a, [rSB] ld [hSerialReceive], a ld a, [hSerialSend] ld [rSB], a ld a, [hLinkPlayerNumber] cp $2 jr z, .asm_752 ld a, 0 << rSC_ON ld [rSC], a ld a, 1 << rSC_ON ld [rSC], a jr .asm_752 .asm_71c call Function3e80 jr .asm_75a .asm_721 call Function2057 jr .asm_75a .asm_726 ld a, [rSB] cp $1 jr z, .asm_730 cp $2 jr nz, .asm_752 .asm_730 ld [hSerialReceive], a ld [hLinkPlayerNumber], a cp $2 jr z, .asm_74f xor a ld [rSB], a ld a, $3 ld [rDIV], a .asm_73f ld a, [rDIV] bit 7, a jr nz, .asm_73f ld a, 0 << rSC_ON ld [rSC], a ld a, 1 << rSC_ON ld [rSC], a jr .asm_752 .asm_74f xor a ld [rSB], a .asm_752 ld a, $1 ld [hFFCA], a ld a, $fe ld [hSerialSend], a .asm_75a pop hl pop de pop bc pop af reti ; 75f Function75f:: ; 75f ld a, $1 ld [hFFCC], a .asm_763 ld a, [hl] ld [hSerialSend], a call Function78a push bc ld b, a inc hl ld a, $30 .asm_76e dec a jr nz, .asm_76e ld a, [hFFCC] and a ld a, b pop bc jr z, .asm_782 dec hl cp $fd jr nz, .asm_763 xor a ld [hFFCC], a jr .asm_763 .asm_782 ld [de], a inc de dec bc ld a, b or c jr nz, .asm_763 ret ; 78a Function78a:: ; 78a xor a ld [hFFCA], a ld a, [hLinkPlayerNumber] cp $2 jr nz, .asm_79b ld a, $1 ld [rSC], a ld a, $81 ld [rSC], a .asm_79b ld a, [hFFCA] and a jr nz, .asm_7e5 ld a, [hLinkPlayerNumber] cp $1 jr nz, .asm_7c0 call Function82b jr z, .asm_7c0 call .asm_825 push hl ld hl, wcf5c inc [hl] jr nz, .asm_7b7 dec hl inc [hl] .asm_7b7 pop hl call Function82b jr nz, .asm_79b jp Function833 .asm_7c0 ld a, [rIE] and $f cp $8 jr nz, .asm_79b ld a, [wcf5d] dec a ld [wcf5d], a jr nz, .asm_79b ld a, [wcf5d + 1] dec a ld [wcf5d + 1], a jr nz, .asm_79b ld a, [hLinkPlayerNumber] cp $1 jr z, .asm_7e5 ld a, $ff .asm_7e2 dec a jr nz, .asm_7e2 .asm_7e5 xor a ld [hFFCA], a ld a, [rIE] and $f sub $8 jr nz, .asm_7f8 ld [wcf5d], a ld a, $50 ld [wcf5d + 1], a .asm_7f8 ld a, [hSerialReceive] cp $fe ret nz call Function82b jr z, .asm_813 push hl ld hl, wcf5c ld a, [hl] dec a ld [hld], a inc a jr nz, .asm_80d dec [hl] .asm_80d pop hl call Function82b jr z, Function833 .asm_813 ld a, [rIE] and $f cp $8 ld a, $fe ret z ld a, [hl] ld [hSerialSend], a call DelayFrame jp Function78a .asm_825 ld a, $f .asm_827 dec a jr nz, .asm_827 ret ; 82b Function82b:: ; 82b push hl ld hl, wcf5b ld a, [hli] or [hl] pop hl ret ; 833 Function833:: ; 833 dec a ld [wcf5b], a ld [wcf5c], a ret ; 83b Function83b:: ; 83b ld hl, wcf56 ld de, wcf51 ld c, $2 ld a, $1 ld [hFFCC], a .asm_847 call DelayFrame ld a, [hl] ld [hSerialSend], a call Function78a ld b, a inc hl ld a, [hFFCC] and a ld a, $0 ld [hFFCC], a jr nz, .asm_847 ld a, b ld [de], a inc de dec c jr nz, .asm_847 ret ; 862 Function862:: ; 862 call LoadTileMapToTempTileMap callab Function4000 call Function87d jp Call_LoadTempTileMapToTileMap ; 871 Function871:: ; 871 call LoadTileMapToTempTileMap callab Function4000 jp Function87d ; 87d Function87d:: ; 87d ld a, $ff ld [wcf52], a .asm_882 call Function8c1 call DelayFrame call Function82b jr z, .asm_89e push hl ld hl, wcf5c dec [hl] jr nz, .asm_89d dec hl dec [hl] jr nz, .asm_89d pop hl xor a jp Function833 .asm_89d pop hl .asm_89e ld a, [wcf52] inc a jr z, .asm_882 ld b, $a .asm_8a6 call DelayFrame call Function8c1 dec b jr nz, .asm_8a6 ld b, $a .asm_8b1 call DelayFrame call Function908 dec b jr nz, .asm_8b1 ld a, [wcf52] ld [wcf51], a ret ; 8c1 Function8c1:: ; 8c1 push bc ld b, $60 ld a, [wLinkMode] cp $1 jr z, .asm_8d7 ld b, $60 jr c, .asm_8d7 cp $2 ld b, $70 jr z, .asm_8d7 ld b, $80 .asm_8d7 call Function8f3 ld a, [wcf56] add b ld [hSerialSend], a ld a, [hLinkPlayerNumber] cp $2 jr nz, .asm_8ee ld a, $1 ld [rSC], a ld a, $81 ld [rSC], a .asm_8ee call Function8f3 pop bc ret ; 8f3 Function8f3:: ; 8f3 ld a, [hSerialReceive] ld [wcf51], a and $f0 cp b ret nz xor a ld [hSerialReceive], a ld a, [wcf51] and $f ld [wcf52], a ret ; 908 Function908:: ; 908 xor a ld [hSerialSend], a ld a, [hLinkPlayerNumber] cp $2 ret nz ld a, $1 ld [rSC], a ld a, $81 ld [rSC], a ret ; 919 Function919:: ; 919 ld a, [wLinkMode] and a ret nz ld a, $2 ld [rSB], a xor a ld [hSerialReceive], a ld a, $0 ld [rSC], a ld a, $80 ld [rSC], a ret ; 92e