ref: 98f09b6d26b1f83bdf1779cfe63a73b8a4265aef
dir: /engine/overworld/cable_club_npc.asm/
CableClubNPC: ld hl, CableClubNPCWelcomeText call PrintText CheckEvent EVENT_GOT_POKEDEX jp nz, .receivedPokedex ; if the player hasn't received the pokedex ld c, 60 call DelayFrames ld hl, CableClubNPCMakingPreparationsText call PrintText jp .didNotConnect .receivedPokedex ld a, $1 ld [wMenuJoypadPollCount], a ld a, 90 ld [wLinkTimeoutCounter], a .establishConnectionLoop ld a, [hSerialConnectionStatus] cp USING_INTERNAL_CLOCK jr z, .establishedConnection cp USING_EXTERNAL_CLOCK jr z, .establishedConnection ld a, CONNECTION_NOT_ESTABLISHED ld [hSerialConnectionStatus], a ld a, ESTABLISH_CONNECTION_WITH_EXTERNAL_CLOCK ld [rSB], a xor a ld [hSerialReceiveData], a ld a, START_TRANSFER_EXTERNAL_CLOCK ld [rSC], a ld a, [wLinkTimeoutCounter] dec a ld [wLinkTimeoutCounter], a jr z, .failedToEstablishConnection ld a, ESTABLISH_CONNECTION_WITH_INTERNAL_CLOCK ld [rSB], a ld a, START_TRANSFER_INTERNAL_CLOCK ld [rSC], a call DelayFrame jr .establishConnectionLoop .establishedConnection call Serial_SendZeroByte call DelayFrame call Serial_SendZeroByte ld c, 50 call DelayFrames ld hl, CableClubNPCPleaseApplyHereHaveToSaveText call PrintText xor a ld [wMenuJoypadPollCount], a call YesNoChoice ld a, $1 ld [wMenuJoypadPollCount], a ld a, [wCurrentMenuItem] and a jr nz, .choseNo callab SaveSAVtoSRAM call WaitForSoundToFinish ld a, SFX_SAVE call PlaySoundWaitForCurrent ld hl, CableClubNPCPleaseWaitText call PrintText ld hl, wUnknownSerialCounter ld a, $3 ld [hli], a xor a ld [hl], a ld [hSerialReceivedNewData], a ld [wSerialExchangeNybbleSendData], a call Serial_SyncAndExchangeNybble ld hl, wUnknownSerialCounter ld a, [hli] inc a jr nz, .connected ld a, [hl] inc a jr nz, .connected ld b, 10 .syncLoop call DelayFrame call Serial_SendZeroByte dec b jr nz, .syncLoop call CloseLinkConnection ld hl, CableClubNPCLinkClosedBecauseOfInactivityText call PrintText jr .didNotConnect .failedToEstablishConnection ld hl, CableClubNPCAreaReservedFor2FriendsLinkedByCableText call PrintText jr .didNotConnect .choseNo call CloseLinkConnection ld hl, CableClubNPCPleaseComeAgainText call PrintText .didNotConnect xor a ld hl, wUnknownSerialCounter ld [hli], a ld [hl], a ld hl, wd72e res 6, [hl] xor a ld [wMenuJoypadPollCount], a ret .connected xor a ld [hld], a ld [hl], a jpab LinkMenu CableClubNPCAreaReservedFor2FriendsLinkedByCableText: TX_FAR _CableClubNPCAreaReservedFor2FriendsLinkedByCableText db "@" CableClubNPCWelcomeText: TX_FAR _CableClubNPCWelcomeText db "@" CableClubNPCPleaseApplyHereHaveToSaveText: TX_FAR _CableClubNPCPleaseApplyHereHaveToSaveText db "@" CableClubNPCPleaseWaitText: TX_FAR _CableClubNPCPleaseWaitText TX_DELAY db "@" CableClubNPCLinkClosedBecauseOfInactivityText: TX_FAR _CableClubNPCLinkClosedBecauseOfInactivityText db "@" CableClubNPCPleaseComeAgainText: TX_FAR _CableClubNPCPleaseComeAgainText db "@" CableClubNPCMakingPreparationsText: TX_FAR _CableClubNPCMakingPreparationsText db "@" CloseLinkConnection: call Delay3 ld a, CONNECTION_NOT_ESTABLISHED ld [hSerialConnectionStatus], a ld a, ESTABLISH_CONNECTION_WITH_EXTERNAL_CLOCK ld [rSB], a xor a ld [hSerialReceiveData], a ld a, START_TRANSFER_EXTERNAL_CLOCK ld [rSC], a ret