pokered/engine/overworld/cable_club_npc.asm
2016-06-11 17:24:04 -07:00

150 lines
3.2 KiB
NASM
Executable file

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
db $a, "@"
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