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Identify wLinkBattleRNPreamble

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This commit is contained in:
Rangi 2020-11-01 13:42:12 -05:00
parent 6220200f0f
commit 9ab9088a9f
3 changed files with 35 additions and 26 deletions
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2
constants/serial_constants.asm
View File

@ -30,6 +30,8 @@ SERIAL_NO_DATA_BYTE EQU $fe
SERIAL_PATCH_LIST_PART_TERMINATOR EQU $ff SERIAL_PATCH_LIST_PART_TERMINATOR EQU $ff
SERIAL_PREAMBLE_LENGTH EQU 6 SERIAL_PREAMBLE_LENGTH EQU 6
SERIAL_RN_PREAMBLE_LENGTH EQU 7
SERIAL_RNS_LENGTH EQU 10
; timeout duration after exchanging a byte ; timeout duration after exchanging a byte
SERIAL_LINK_BYTE_TIMEOUT EQU $5000 SERIAL_LINK_BYTE_TIMEOUT EQU $5000

47
engine/link/link.asm
View File

@ -73,9 +73,9 @@ Gen2ToGen1LinkComms:
ldh [rIF], a ldh [rIF], a
ld a, 1 << SERIAL ld a, 1 << SERIAL
ldh [rIE], a ldh [rIE], a
ld hl, wd1f3 ld hl, wLinkBattleRNPreamble
ld de, wEnemyMonSpecies ld de, wEnemyMonSpecies
ld bc, $11 ld bc, SERIAL_RN_PREAMBLE_LENGTH + SERIAL_RNS_LENGTH
call Serial_ExchangeBytes call Serial_ExchangeBytes
ld a, SERIAL_NO_DATA_BYTE ld a, SERIAL_NO_DATA_BYTE
ld [de], a ld [de], a
@ -87,7 +87,7 @@ Gen2ToGen1LinkComms:
ld [de], a ld [de], a
ld hl, wLink_c608 ld hl, wLink_c608
ld de, wTrademons ld de, wTrademons
ld bc, wTrademons - wLink_c608 ld bc, 200
call Serial_ExchangeBytes call Serial_ExchangeBytes
xor a xor a
ldh [rIF], a ldh [rIF], a
@ -217,9 +217,9 @@ Gen2ToGen2LinkComms:
ldh [rIF], a ldh [rIF], a
ld a, 1 << SERIAL ld a, 1 << SERIAL
ldh [rIE], a ldh [rIE], a
ld hl, wd1f3 ld hl, wLinkBattleRNPreamble
ld de, wEnemyMonSpecies ld de, wEnemyMonSpecies
ld bc, $11 ld bc, SERIAL_RN_PREAMBLE_LENGTH + SERIAL_RNS_LENGTH
call Serial_ExchangeBytes call Serial_ExchangeBytes
ld a, SERIAL_NO_DATA_BYTE ld a, SERIAL_NO_DATA_BYTE
ld [de], a ld [de], a
@ -231,7 +231,7 @@ Gen2ToGen2LinkComms:
ld [de], a ld [de], a
ld hl, wLink_c608 ld hl, wLink_c608
ld de, wTrademons ld de, wTrademons
ld bc, wTrademons - wLink_c608 ld bc, 200
call Serial_ExchangeBytes call Serial_ExchangeBytes
ld a, [wLinkMode] ld a, [wLinkMode]
cp LINK_TRADECENTER cp LINK_TRADECENTER
@ -561,36 +561,41 @@ ClearLinkData:
ret ret
FixDataForLinkTransfer: FixDataForLinkTransfer:
ld hl, wd1f3 ld hl, wLinkBattleRNPreamble
ld a, SERIAL_PREAMBLE_BYTE ld a, SERIAL_PREAMBLE_BYTE
ld b, wLinkBattleRNs - wd1f3 ld b, SERIAL_RN_PREAMBLE_LENGTH
.loop1 .preamble_loop
ld [hli], a ld [hli], a
dec b dec b
jr nz, .loop1 jr nz, .preamble_loop
ld b, wTempEnemyMonSpecies - wLinkBattleRNs
.loop2 assert wLinkBattleRNPreamble + SERIAL_RN_PREAMBLE_LENGTH == wLinkBattleRNs
ld b, SERIAL_RNS_LENGTH
.rn_loop
call Random call Random
cp SERIAL_PREAMBLE_BYTE cp SERIAL_PREAMBLE_BYTE
jr nc, .loop2 jr nc, .rn_loop
ld [hli], a ld [hli], a
dec b dec b
jr nz, .loop2 jr nz, .rn_loop
ld hl, wLink_c608 ld hl, wLink_c608
ld a, SERIAL_PREAMBLE_BYTE ld a, SERIAL_PREAMBLE_BYTE
ld [hli], a ld [hli], a
ld [hli], a ld [hli], a
ld [hli], a ld [hli], a
ld b, $c8
ld b, 200
xor a xor a
.loop3 .loop1
ld [hli], a ld [hli], a
dec b dec b
jr nz, .loop3 jr nz, .loop1
ld hl, wTimeCapsulePlayerData - 1 + PARTY_LENGTH ld hl, wTimeCapsulePlayerData - 1 + PARTY_LENGTH
ld de, wc612 ld de, wc612
lb bc, 0, 0 lb bc, 0, 0
.loop4 .loop2
inc c inc c
ld a, c ld a, c
cp SERIAL_PREAMBLE_BYTE cp SERIAL_PREAMBLE_BYTE
@ -613,19 +618,19 @@ FixDataForLinkTransfer:
inc hl inc hl
ld a, [hl] ld a, [hl]
cp SERIAL_NO_DATA_BYTE cp SERIAL_NO_DATA_BYTE
jr nz, .loop4 jr nz, .loop2
ld a, c ld a, c
ld [de], a ld [de], a
inc de inc de
ld [hl], SERIAL_PATCH_LIST_PART_TERMINATOR ld [hl], SERIAL_PATCH_LIST_PART_TERMINATOR
jr .loop4 jr .loop2
.next1 .next1
ld a, SERIAL_PATCH_LIST_PART_TERMINATOR ld a, SERIAL_PATCH_LIST_PART_TERMINATOR
ld [de], a ld [de], a
inc de inc de
lb bc, 1, 0 lb bc, 1, 0
jr .loop4 jr .loop2
.done .done
ld a, SERIAL_PATCH_LIST_PART_TERMINATOR ld a, SERIAL_PATCH_LIST_PART_TERMINATOR

12
wram.asm
View File

@ -2263,6 +2263,12 @@ wEvolutionNewSpecies:: db
wEvolutionPicOffset:: db wEvolutionPicOffset:: db
wEvolutionCanceled:: db wEvolutionCanceled:: db
NEXTU
; link
ds 9
wLinkBattleRNPreamble:: ds SERIAL_RN_PREAMBLE_LENGTH
wLinkBattleRNs:: ds SERIAL_RNS_LENGTH
NEXTU NEXTU
; mobile ; mobile
ds 2 ds 2
@ -2273,7 +2279,7 @@ wd1ef:: ds 1
wd1f0:: ds 1 wd1f0:: ds 1
wd1f1:: ds 1 wd1f1:: ds 1
wd1f2:: ds 1 wd1f2:: ds 1
wd1f3:: ds 4 wd1f3:: ds 1
NEXTU NEXTU
; miscellaneous ; miscellaneous
@ -2284,10 +2290,6 @@ wOtherDecoration:: db
wCurEnemyItem:: db wCurEnemyItem:: db
ENDU ENDU
ds 3
wLinkBattleRNs:: ds 10
wTempEnemyMonSpecies:: db wTempEnemyMonSpecies:: db
wTempBattleMonSpecies:: db wTempBattleMonSpecies:: db