pokered/engine/save.asm
2015-02-07 22:18:42 -08:00

691 lines
12 KiB
NASM
Executable file

LoadSAV: ; 735e8 (1c:75e8)
;(if carry -> write
;"the file data is destroyed")
call ClearScreen
call LoadFontTilePatterns
call LoadTextBoxTilePatterns
call LoadSAVCheckSum
jr c, .badsum
call LoadSAVCheckSum1
jr c, .badsum
call LoadSAVCheckSum2
jr c, .badsum
ld a, $2 ; good checksum
jr .goodsum
.badsum
ld hl, wd730
push hl
set 6, [hl]
ld hl, FileDataDestroyedText
call PrintText
ld c, $64
call DelayFrames
pop hl
res 6, [hl]
ld a, $1 ; bad checksum
.goodsum
ld [wd088], a ; checksum flag
ret
FileDataDestroyedText: ; 7361e (1c:761e)
TX_FAR _FileDataDestroyedText
db "@"
LoadSAVCheckSum: ; 73623 (1c:7623)
ld a, SRAM_ENABLE
ld [MBC1SRamEnable], a
ld a, $1
ld [MBC1SRamBankingMode], a
ld [MBC1SRamBank], a
ld hl, $a598 ; hero name located in SRAM
ld bc, $f8b ; but here checks the full SAV
call SAVCheckSum
ld c, a
ld a, [$b523] ; SAV's checksum
cp c
jp z, .Func_73652
ld hl, $a598
ld bc, $f8b
call SAVCheckSum
ld c, a
ld a, [$b523] ; SAV's checksum
cp c
jp nz, SAVBadCheckSum
.Func_73652 ; 73652 (1c:7652)
ld hl, $a598
ld de, wPlayerName ; wd158
ld bc, $b
call CopyData
ld hl, $a5a3
ld de, wPokedexOwned
ld bc, $789
call CopyData
ld hl, W_CURMAPTILESET
set 7, [hl]
ld hl, $ad2c
ld de, wSpriteStateData1
ld bc, $200
call CopyData
ld a, [$b522]
ld [hTilesetType], a
ld hl, $b0c0
ld de, W_NUMINBOX
ld bc, wBoxMonNicksEnd - W_NUMINBOX
call CopyData
and a
jp SAVGoodChecksum
LoadSAVCheckSum1: ; 73690 (1c:7690)
ld a, SRAM_ENABLE
ld [MBC1SRamEnable], a
ld a, $1
ld [MBC1SRamBankingMode], a
ld [MBC1SRamBank], a
ld hl, $a598 ; hero name located in SRAM
ld bc, $f8b ; but here checks the full SAV
call SAVCheckSum
ld c, a
ld a, [$b523] ; SAV's checksum
cp c
jr nz, SAVBadCheckSum
ld hl, $b0c0
ld de, W_NUMINBOX
ld bc, wBoxMonNicksEnd - W_NUMINBOX
call CopyData
and a
jp SAVGoodChecksum
LoadSAVCheckSum2: ; 736bd (1c:76bd)
ld a, SRAM_ENABLE
ld [MBC1SRamEnable], a
ld a, $1
ld [MBC1SRamBankingMode], a
ld [MBC1SRamBank], a
ld hl, $a598 ; hero name located in SRAM
ld bc, $f8b ; but here checks the full SAV
call SAVCheckSum
ld c, a
ld a, [$b523] ; SAV's checksum
cp c
jp nz, SAVBadCheckSum
ld hl, $af2c
ld de, wPartyCount ; wPartyCount
ld bc, $194
call CopyData
ld hl, $a5a3
ld de, wPokedexOwned ; wPokedexOwned
ld bc, wPokedexSeenEnd - wPokedexOwned
call CopyData
and a
jp SAVGoodChecksum
SAVBadCheckSum: ; 736f7 (1c:76f7)
scf
SAVGoodChecksum: ; 736f8 (1c:76f8)
ld a, $0
ld [MBC1SRamBankingMode], a
ld [MBC1SRamEnable], a
ret
Func_73701: ; 0x73701
call LoadSAVCheckSum
call LoadSAVCheckSum1
jp LoadSAVCheckSum2
SaveSAV: ;$770a
callba PrintSaveScreenText
ld hl,WouldYouLikeToSaveText
call SaveSAVConfirm
and a ;|0 = Yes|1 = No|
ret nz
ld a,[wd088]
dec a
jr z,.save
call SAVCheckRandomID
jr z,.save
ld hl,OlderFileWillBeErasedText
call SaveSAVConfirm
and a
ret nz
.save ;$772d
call SaveSAVtoSRAM ;$7848
hlCoord 1, 13
ld bc,$0412
call ClearScreenArea ; clear area 4x12 starting at 13,1
hlCoord 1, 14
ld de,NowSavingString
call PlaceString
ld c,$78
call DelayFrames
ld hl,GameSavedText
call PrintText
ld a, (SFX_02_5d - SFX_Headers_02) / 3 ;sound for saved game
call PlaySoundWaitForCurrent
call WaitForSoundToFinish
ld c,$1e
jp DelayFrames
NowSavingString:
db "Now saving...@"
SaveSAVConfirm: ; 73768 (1c:7768)
call PrintText
hlCoord 0, 7
ld bc,$0801
ld a,TWO_OPTION_MENU
ld [wTextBoxID],a
call DisplayTextBoxID ; yes/no menu
ld a,[wCurrentMenuItem]
ret
WouldYouLikeToSaveText: ; 0x7377d
TX_FAR _WouldYouLikeToSaveText
db "@"
GameSavedText: ; 73782 (1c:7782)
TX_FAR _GameSavedText
db "@"
OlderFileWillBeErasedText: ; 73787 (1c:7787)
TX_FAR _OlderFileWillBeErasedText
db "@"
SaveSAVtoSRAM0: ; 7378c (1c:778c)
ld a, SRAM_ENABLE
ld [MBC1SRamEnable], a
ld a, $1
ld [MBC1SRamBankingMode], a
ld [MBC1SRamBank], a
ld hl, wPlayerName
ld de, $a598
ld bc, $b
call CopyData
ld hl, wPokedexOwned
ld de, $a5a3
ld bc, W_NUMINBOX - wPokedexOwned
call CopyData
ld hl, wSpriteStateData1
ld de, $ad2c
ld bc, $200
call CopyData
ld hl, W_NUMINBOX
ld de, $b0c0
ld bc, wBoxMonNicksEnd - W_NUMINBOX
call CopyData
ld a, [hTilesetType]
ld [$b522], a
ld hl, $a598
ld bc, $f8b
call SAVCheckSum
ld [$b523], a
xor a
ld [MBC1SRamBankingMode], a
ld [MBC1SRamEnable], a
ret
SaveSAVtoSRAM1: ; 737e2 (1c:77e2)
; stored pokémon
ld a, SRAM_ENABLE
ld [MBC1SRamEnable], a
ld a, $1
ld [MBC1SRamBankingMode], a
ld [MBC1SRamBank], a
ld hl, W_NUMINBOX
ld de, $b0c0
ld bc, wBoxMonNicksEnd - W_NUMINBOX
call CopyData
ld hl, $a598
ld bc, $f8b
call SAVCheckSum
ld [$b523], a
xor a
ld [MBC1SRamBankingMode], a
ld [MBC1SRamEnable], a
ret
SaveSAVtoSRAM2: ; 7380f (1c:780f)
ld a, SRAM_ENABLE
ld [MBC1SRamEnable], a
ld a, $1
ld [MBC1SRamBankingMode], a
ld [MBC1SRamBank], a
ld hl, wPartyCount
ld de, $af2c
ld bc, wPokedexOwned - wPartyCount
call CopyData
ld hl, wPokedexOwned ; pokédex only
ld de, $a5a3
ld bc, wPokedexSeenEnd - wPokedexOwned
call CopyData
ld hl, $a598
ld bc, $f8b
call SAVCheckSum
ld [$b523], a
xor a
ld [MBC1SRamBankingMode], a
ld [MBC1SRamEnable], a
ret
SaveSAVtoSRAM: ; 73848 (1c:7848)
ld a, $2
ld [wd088], a
call SaveSAVtoSRAM0
call SaveSAVtoSRAM1
jp SaveSAVtoSRAM2
SAVCheckSum: ; 73856 (1c:7856)
;Check Sum (result[1 byte] is complemented)
ld d, $0
.loop
ld a, [hli]
add d
ld d, a
dec bc
ld a, b
or c
jr nz, .loop
ld a, d
cpl
ret
Func_73863: ; 73863 (1c:7863)
ld hl, $a000
ld de, $ba4d
ld b, $6
.asm_7386b
push bc
push de
ld bc, $462
call SAVCheckSum
pop de
ld [de], a
inc de
pop bc
dec b
jr nz, .asm_7386b
ret
Func_7387b: ; 7387b (1c:787b)
ld hl, PointerTable_73895 ; $7895
ld a, [wd5a0]
and $7f
cp $6
ld b, $2
jr c, .asm_7388c
inc b
sub $6
.asm_7388c
ld e, a
ld d, $0
add hl, de
add hl, de
ld a, [hli]
ld h, [hl]
ld l, a
ret
PointerTable_73895: ; 73895 (1c:7895)
dw $A000
dw $A462
dw $A8C4
dw $AD26
dw $B188
dw $B5EA
ChangeBox:: ; 738a1 (1c:78a1)
ld hl, WhenYouChangeBoxText
call PrintText
call YesNoChoice
ld a, [wCurrentMenuItem]
and a
ret nz ; return if No was chosen
ld hl, wd5a0
bit 7, [hl]
call z, Func_73a29
call Func_7393f
call UpdateSprites
ld hl, hFlags_0xFFF6
set 1, [hl]
call HandleMenuInput
ld hl, hFlags_0xFFF6
res 1, [hl]
bit 1, a
ret nz
call Func_7387b
ld e, l
ld d, h
ld hl, W_NUMINBOX
call Func_7390e
ld a, [wCurrentMenuItem]
set 7, a
ld [wd5a0], a
call Func_7387b
ld de, W_NUMINBOX
call Func_7390e
ld hl, W_MAPTEXTPTR
ld de, wChangeBoxSavedMapTextPointer
ld a, [hli]
ld [de], a
inc de
ld a, [hl]
ld [de], a
call RestoreMapTextPointer
call SaveSAVtoSRAM
ld hl, wChangeBoxSavedMapTextPointer
call SetMapTextPointer
ld a, (SFX_02_5d - SFX_Headers_02) / 3
call PlaySoundWaitForCurrent
call WaitForSoundToFinish
ret
WhenYouChangeBoxText: ; 73909 (1c:7909)
TX_FAR _WhenYouChangeBoxText
db "@"
Func_7390e: ; 7390e (1c:790e)
push hl
ld a, SRAM_ENABLE
ld [MBC1SRamEnable], a
ld a, $1
ld [MBC1SRamBankingMode], a
ld a, b
ld [MBC1SRamBank], a
ld bc, $462
call CopyData
pop hl
xor a
ld [hli], a
dec a
ld [hl], a
ld hl, $a000
ld bc, $1a4c
call SAVCheckSum
ld [$ba4c], a
call Func_73863
xor a
ld [MBC1SRamBankingMode], a
ld [MBC1SRamEnable], a
ret
Func_7393f: ; 7393f (1c:793f)
xor a
ld [H_AUTOBGTRANSFERENABLED], a ; $ffba
ld a, $3
ld [wMenuWatchedKeys], a ; wMenuWatchedKeys
ld a, $b
ld [wMaxMenuItem], a ; wMaxMenuItem
ld a, $1
ld [wTopMenuItemY], a ; wTopMenuItemY
ld a, $c
ld [wTopMenuItemX], a ; wTopMenuItemX
xor a
ld [wcc37], a
ld a, [wd5a0]
and $7f
ld [wCurrentMenuItem], a ; wCurrentMenuItem
ld [wLastMenuItem], a ; wLastMenuItem
ld hl, wTileMap
ld b, $2
ld c, $9
call TextBoxBorder
ld hl, ChooseABoxText
call PrintText
hlCoord 11, 0
ld b, $c
ld c, $7
call TextBoxBorder
ld hl, hFlags_0xFFF6
set 2, [hl]
ld de, BoxNames ; $79d9
hlCoord 13, 1
call PlaceString
ld hl, hFlags_0xFFF6
res 2, [hl]
ld a, [wd5a0]
and $7f
cp 9
jr c, .asm_739a6
sub 9
hlCoord 8, 2
ld [hl], "1"
add "0"
jr .asm_739a8
.asm_739a6
add "1"
.asm_739a8
Coorda 9, 2
hlCoord 1, 2
ld de, BoxNoText
call PlaceString
call Func_73a84
hlCoord 18, 1
ld de, wWhichTrade ; wWhichTrade
ld bc, $14
ld a, $c
.asm_739c2
push af
ld a, [de]
and a
jr z, .asm_739c9
ld [hl], $78
.asm_739c9
add hl, bc
inc de
pop af
dec a
jr nz, .asm_739c2
ld a, $1
ld [H_AUTOBGTRANSFERENABLED], a ; $ffba
ret
ChooseABoxText: ; 739d4 (1c:79d4)
TX_FAR _ChooseABoxText
db "@"
BoxNames: ; 739d9 (1c:79d9)
db "BOX 1"
next "BOX 2"
next "BOX 3"
next "BOX 4"
next "BOX 5"
next "BOX 6"
next "BOX 7"
next "BOX 8"
next "BOX 9"
next "BOX10"
next "BOX11"
next "BOX12@"
BoxNoText: ; 73a21 (1c:7a21)
db "BOX No.@"
Func_73a29: ; 73a29 (1c:7a29)
ld a, SRAM_ENABLE
ld [MBC1SRamEnable], a
ld a, $1
ld [MBC1SRamBankingMode], a
ld a, $2
ld [MBC1SRamBank], a
call Func_73a4b
ld a, $3
ld [MBC1SRamBank], a
call Func_73a4b
xor a
ld [MBC1SRamBankingMode], a
ld [MBC1SRamEnable], a
ret
Func_73a4b: ; 73a4b (1c:7a4b)
ld hl, $a000
call Func_73a7f
ld hl, $a462
call Func_73a7f
ld hl, $a8c4
call Func_73a7f
ld hl, $ad26
call Func_73a7f
ld hl, $b188
call Func_73a7f
ld hl, $b5ea
call Func_73a7f
ld hl, $a000
ld bc, $1a4c
call SAVCheckSum
ld [$ba4c], a
call Func_73863
ret
Func_73a7f: ; 73a7f (1c:7a7f)
xor a
ld [hli], a
dec a
ld [hl], a
ret
Func_73a84: ; 73a84 (1c:7a84)
ld hl, wWhichTrade ; wWhichTrade
push hl
ld a, SRAM_ENABLE
ld [MBC1SRamEnable], a
ld a, $1
ld [MBC1SRamBankingMode], a
ld a, $2
ld [MBC1SRamBank], a
call Func_73ab8
ld a, $3
ld [MBC1SRamBank], a
call Func_73ab8
xor a
ld [MBC1SRamBankingMode], a
ld [MBC1SRamEnable], a
pop hl
ld a, [wd5a0]
and $7f
ld c, a
ld b, $0
add hl, bc
ld a, [W_NUMINBOX] ; wda80
ld [hl], a
ret
Func_73ab8: ; 73ab8 (1c:7ab8)
ld a, [$a000]
ld [hli], a
ld a, [$a462]
ld [hli], a
ld a, [$a8c4]
ld [hli], a
ld a, [$ad26]
ld [hli], a
ld a, [$b188]
ld [hli], a
ld a, [$b5ea]
ld [hli], a
ret
SAVCheckRandomID: ;$7ad1
;checks if Sav file is the same by checking player's name 1st letter ($a598)
; and the two random numbers generated at game beginning
;(which are stored at wPlayerID)
ld a,$0a
ld [$0000],a
ld a,$01
ld [MBC1SRamBankingMode],a
ld [MBC1SRamBank],a
ld a,[$a598]
and a
jr z,.next
ld hl,$a598
ld bc,$0f8b
call SAVCheckSum
ld c,a
ld a,[$b523]
cp c
jr nz,.next
ld hl,$a605
ld a,[hli]
ld h,[hl]
ld l,a
ld a,[wPlayerID]
cp l
jr nz,.next
ld a,[wPlayerID + 1]
cp h
.next
ld a,$00
ld [MBC1SRamBankingMode],a
ld [$0000],a
ret
SaveHallOfFameTeams: ; 73b0d (1c:7b0d)
ld a, [wd5a2]
dec a
cp NUM_HOF_TEAMS
jr nc, .asm_73b28
ld hl, sHallOfFame
ld bc, HOF_TEAM
call AddNTimes
ld e, l
ld d, h
ld hl, wcc5b
ld bc, HOF_TEAM
jr HallOfFame_Copy
.asm_73b28
ld hl, sHallOfFame + HOF_TEAM
ld de, sHallOfFame
ld bc, HOF_TEAM * (NUM_HOF_TEAMS - 1)
call HallOfFame_Copy
ld hl, wcc5b
ld de, sHallOfFame + HOF_TEAM * (NUM_HOF_TEAMS - 1)
ld bc, HOF_TEAM
jr HallOfFame_Copy
LoadHallOfFameTeams: ; 73b3f (1c:7b3f)
ld hl, sHallOfFame
ld bc, HOF_TEAM
ld a, [wWhichTrade] ; wWhichTrade
call AddNTimes
ld de, wcc5b
ld bc, HOF_TEAM
; fallthrough
HallOfFame_Copy: ; 73b51 (1c:7b51)
ld a, SRAM_ENABLE
ld [MBC1SRamEnable], a
ld a, $1
ld [MBC1SRamBankingMode], a
xor a
ld [MBC1SRamBank], a
call CopyData
xor a
ld [MBC1SRamBankingMode], a
ld [MBC1SRamEnable], a
ret
ClearSAV: ; 73b6a (1c:7b6a)
ld a, SRAM_ENABLE
ld [MBC1SRamEnable], a
ld a, $1
ld [MBC1SRamBankingMode], a
xor a
call PadSRAM_FF
ld a, $1
call PadSRAM_FF
ld a, $2
call PadSRAM_FF
ld a, $3
call PadSRAM_FF
xor a
ld [MBC1SRamBankingMode], a
ld [MBC1SRamEnable], a
ret
PadSRAM_FF: ; 73b8f (1c:7b8f)
ld [MBC1SRamBank], a
ld hl, $a000
ld bc, $2000
ld a, $ff
jp FillMemory