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-rw-r--r--src/engine/bank04.asm331
1 files changed, 282 insertions, 49 deletions
diff --git a/src/engine/bank04.asm b/src/engine/bank04.asm
index 9140e09..2f369f6 100644
--- a/src/engine/bank04.asm
+++ b/src/engine/bank04.asm
@@ -1085,11 +1085,51 @@ Func_111b3: ; 111b3 (4:51b3)
Func_111e9: ; 111e9 (4:51e9)
INCROM $111e9, $11238
-Func_11238: ; 11238 (4:5238)
- INCROM $11238, $1124d
+; saves all data to SRAM, including
+; General save data and Album/Deck data
+; and backs up in SRAM2
+SaveAndBackupData: ; 11238 (4:5238)
+ push de
+ ld de, sGeneralSaveData
+ call SaveGeneralSaveDataFromDE
+ ld de, sAlbumProgress
+ call UpdateAlbumProgress
+ call WriteBackupGeneralSaveData
+ call WriteBackupCardAndDeckSaveData
+ pop de
+ ret
+; 0x1124d
-Func_1124d: ; 1124d (4:524d)
- INCROM $1124d, $1127f
+_SaveGeneralSaveData: ; 1124d (4:524d)
+ push de
+ call GetReceivedLegendaryCards
+ ld de, sGeneralSaveData
+ call SaveGeneralSaveDataFromDE
+ ld de, sAlbumProgress
+ call UpdateAlbumProgress
+ pop de
+ ret
+; 0x1125f
+
+; de = pointer to general game data in SRAM
+SaveGeneralSaveDataFromDE: ; 1125f (4:525f)
+ push hl
+ push bc
+ call EnableSRAM
+ push de
+ farcall TryGiveMedalPCPacks
+ ld [wMedalCount], a
+ farcall OverworldMap_GetOWMapID
+ ld [wCurOverworldMap], a
+ pop de
+ push de
+ call CopyGeneralSaveDataToSRAM
+ pop de
+ call DisableSRAM
+ pop bc
+ pop hl
+ ret
+; 0x1127f
; writes in de total num of cards collected
; and in (de + 1) total num of cards to collect
@@ -1113,16 +1153,107 @@ UpdateAlbumProgress: ; 1127f (4:527f)
ret
; 0x11299
- INCROM $11299, $11320
+; save values that are listed in WRAMToSRAMMapper
+; from WRAM to SRAM, and calculate its checksum
+CopyGeneralSaveDataToSRAM: ; 11299 (4:5299)
+ push hl
+ push bc
+ push de
+ push de
+ ld hl, sGeneralSaveDataHeaderEnd - sGeneralSaveData
+ add hl, de
+ ld e, l
+ ld d, h
+ xor a
+ ld [wGeneralSaveDataByteCount + 0], a
+ ld [wGeneralSaveDataByteCount + 1], a
+ ld [wGeneralSaveDataCheckSum + 0], a
+ ld [wGeneralSaveDataCheckSum + 1], a
+
+ ld hl, WRAMToSRAMMapper
+.loop_map
+ ld a, [hli]
+ ld [wTempPointer + 0], a
+ ld c, a
+ ld a, [hli]
+ ld [wTempPointer + 1], a
+ or c
+ jr z, .done_copy
+ ld a, [hli]
+ ld c, a ; number of bytes LO
+ ld a, [hli]
+ ld b, a ; number of bytes HI
+ ld a, [wGeneralSaveDataByteCount + 0]
+ add c
+ ld [wGeneralSaveDataByteCount + 0], a
+ ld a, [wGeneralSaveDataByteCount + 1]
+ adc b
+ ld [wGeneralSaveDataByteCount + 1], a
+ call .CopyBytesToSRAM
+ inc hl
+ inc hl
+ jr .loop_map
+
+.done_copy
+ pop hl
+ ld a, $08
+ ld [hli], a
+ ld a, $00
+ ld [hli], a
+ ld a, [wGeneralSaveDataByteCount + 0]
+ ld [hli], a
+ ld a, [wGeneralSaveDataByteCount + 1]
+ ld [hli], a
+ ld a, [wGeneralSaveDataCheckSum + 0]
+ ld [hli], a
+ ld a, [wGeneralSaveDataCheckSum + 1]
+ ld [hli], a
+ pop de
+ pop bc
+ pop hl
+ ret
-Func_11320: ; 11320 (4:5320)
+.CopyBytesToSRAM
+ push hl
+ ld a, [wTempPointer + 0]
+ ld l, a
+ ld a, [wTempPointer + 1]
+ ld h, a
+.loop_bytes
+ push bc
+ ld a, [hli]
+ ld [de], a
+ inc de
+ ld c, a
+ ld a, [wGeneralSaveDataCheckSum + 0]
+ add c
+ ld [wGeneralSaveDataCheckSum + 0], a
+ ld a, [wGeneralSaveDataCheckSum + 1]
+ adc 0
+ ld [wGeneralSaveDataCheckSum + 1], a
+ pop bc
+ dec bc
+ ld a, c
+ or b
+ jr nz, .loop_bytes
+ ld a, l
+ ld [wTempPointer + 0], a
+ ld a, h
+ ld [wTempPointer + 1], a
+ pop hl
+ ret
+; 0x11320
+
+; returns carry if no error
+; is found in sBackupGeneralSaveData
+ValidateBackupGeneralSaveData: ; 11320 (4:5320)
push de
ldh a, [hBankSRAM]
push af
- ld a, $02
+ ld a, BANK(sBackupGeneralSaveData)
call BankswitchSRAM
- ld de, sb800
- call Func_1135d
+ ld de, sBackupGeneralSaveData
+ call ValidateGeneralSaveDataFromDE
ld de, sAlbumProgress
call LoadAlbumProgressFromSRAM
pop af
@@ -1134,10 +1265,25 @@ Func_11320: ; 11320 (4:5320)
ret
; 0x11343
-Func_11343: ; 11343 (4:5343)
- INCROM $11343, $1135d
+; returns carry if no error
+; is found in sGeneralSaveData
+_ValidateGeneralSaveData: ; 11343 (4:5343)
+ push de
+ call EnableSRAM
+ ld de, sGeneralSaveData
+ call ValidateGeneralSaveDataFromDE
+ ld de, sAlbumProgress
+ call LoadAlbumProgressFromSRAM
+ call DisableSRAM
+ pop de
+ ld a, [wNumSRAMValidationErrors]
+ cp 1
+ ret
+; 0x1135d
-Func_1135d: ; 1135d (4:535d)
+; validates the general game data saved in SRAM
+; de = pointer to general game data in SRAM
+ValidateGeneralSaveDataFromDE: ; 1135d (4:535d)
push hl
push bc
push de
@@ -1150,10 +1296,10 @@ Func_1135d: ; 1135d (4:535d)
inc de
ld a, [de]
inc de
- ld [wNumGeneralSaveDataBytes + 0], a
+ ld [wGeneralSaveDataByteCount + 0], a
ld a, [de]
inc de
- ld [wNumGeneralSaveDataBytes + 1], a
+ ld [wGeneralSaveDataByteCount + 1], a
ld a, [de]
inc de
ld [wGeneralSaveDataCheckSum + 0], a
@@ -1162,7 +1308,7 @@ Func_1135d: ; 1135d (4:535d)
ld [wGeneralSaveDataCheckSum + 1], a
pop de
- ld hl, $8
+ ld hl, sGeneralSaveDataHeaderEnd - sGeneralSaveData
add hl, de
ld e, l
ld d, h
@@ -1177,12 +1323,12 @@ Func_1135d: ; 1135d (4:535d)
ld c, a ; number of bytes LO
ld a, [hli]
ld b, a ; number of bytes HI
- ld a, [wNumGeneralSaveDataBytes + 0]
+ ld a, [wGeneralSaveDataByteCount + 0]
sub c
- ld [wNumGeneralSaveDataBytes + 0], a
- ld a, [wNumGeneralSaveDataBytes + 1]
+ ld [wGeneralSaveDataByteCount + 0], a
+ ld a, [wGeneralSaveDataByteCount + 1]
sbc b
- ld [wNumGeneralSaveDataBytes + 1], a
+ ld [wGeneralSaveDataByteCount + 1], a
; loop all the bytes of this struct
.loop_bytes
@@ -1226,12 +1372,12 @@ Func_1135d: ; 1135d (4:535d)
.exit_loop
pop hl
ld a, [hli]
- sub $08
+ sub $8
ld c, a
ld a, [hl]
sub 0
or c
- ld hl, wNumGeneralSaveDataBytes
+ ld hl, wGeneralSaveDataByteCount
or [hl]
inc hl
or [hl]
@@ -1239,25 +1385,28 @@ Func_1135d: ; 1135d (4:535d)
or [hl]
inc hl
or [hl]
- jr z, .asm_113ea
+ jr z, .no_header_error
ld hl, wNumSRAMValidationErrors
inc [hl]
-.asm_113ea
+.no_header_error
pop de
- ld hl, $c
+ ; copy play time minutes and hours
+ ld hl, (sPlayTimeCounter + 2) - sGeneralSaveData
add hl, de
ld a, [hli]
- ld [wd3c8 + 0], a
+ ld [wPlayTimeHourMinutes + 0], a
ld a, [hli]
- ld [wd3c8 + 1], a
+ ld [wPlayTimeHourMinutes + 1], a
ld a, [hli]
- ld [wd3c8 + 2], a
- ld hl, $8
+ ld [wPlayTimeHourMinutes + 2], a
+
+ ; copy medal count and current overworld map
+ ld hl, sGeneralSaveDataHeaderEnd - sGeneralSaveData
add hl, de
ld a, [hli]
- ld [wd3cc], a
+ ld [wMedalCount], a
ld a, [hl]
- ld [wd3cb], a
+ ld [wCurOverworldMap], a
pop bc
pop hl
ret
@@ -1274,36 +1423,53 @@ LoadAlbumProgressFromSRAM: ; 1140a (4:540a)
ret
; 0x11416
-Func_11416: ; 11416 (4:5416)
- INCROM $11416, $11430
+; first copies data from backup SRAM to main SRAM
+; then loads it to WRAM from main SRAM
+LoadBackupSaveData: ; 11416 (4:5416)
+ push hl
+ push de
+ call EnableSRAM
+ bank1call DiscardSavedDuelData
+ call DisableSRAM
+ call LoadBackupGeneralSaveData
+ call LoadBackupCardAndDeckSaveData
+ ld de, sGeneralSaveData
+ call LoadGeneralSaveDataFromDE
+ pop de
+ pop hl
+ ret
+; 0x11430
-Func_11430: ; 11430 (4:5430)
+_LoadGeneralSaveData: ; 11430 (4:5430)
push de
- ld de, sb800
- call .Func_11439
+ ld de, sGeneralSaveData
+ call LoadGeneralSaveDataFromDE
pop de
ret
+; 0x11439
-.Func_11439
+; de = pointer to save data
+LoadGeneralSaveDataFromDE: ; 11439 (4:5439)
push hl
push bc
call EnableSRAM
- call .Func_11447
+ call .LoadData
call DisableSRAM
pop bc
pop hl
ret
-.Func_11447
+.LoadData
push hl
push bc
push de
ld a, e
- add $08
+ add sGeneralSaveDataHeaderEnd - sGeneralSaveData
ld [wTempPointer + 0], a
ld a, d
adc 0
ld [wTempPointer + 1], a
+
ld hl, WRAMToSRAMMapper
.asm_11459
ld a, [hli]
@@ -1367,8 +1533,8 @@ ENDM
; the saved values is SRAM are legal, within the given value range
WRAMToSRAMMapper: ; 11498 (4:5498)
; pointer, number of bytes, unknown
- wram_sram_map wd3cc, 1, $00, $ff ; sb808
- wram_sram_map wd3cb, 1, $00, $ff ; sb809
+ wram_sram_map wMedalCount, 1, $00, $ff ; sMedalCount
+ wram_sram_map wCurOverworldMap, 1, $00, $ff ; sCurOverworldMap
wram_sram_map wPlayTimeCounter + 0, 1, $00, $ff ; sPlayTimeCounter
wram_sram_map wPlayTimeCounter + 1, 1, $00, $ff
wram_sram_map wPlayTimeCounter + 2, 1, $00, $ff
@@ -1433,7 +1599,7 @@ _SaveGame: ; 1157c (4:557c)
ld [wOverworldMapSelection], a
.save
- call Func_11238
+ call SaveAndBackupData
ret
_AddCardToCollectionAndUpdateAlbumProgress: ; 115a3 (4:55a3)
@@ -1465,7 +1631,74 @@ _AddCardToCollectionAndUpdateAlbumProgress: ; 115a3 (4:55a3)
ret
; 0x115d4
- INCROM $115d4, $1162a
+WriteBackupCardAndDeckSaveData: ; 115d4 (4:55d4)
+ ld bc, sCardAndDeckSaveDataEnd - sCardAndDeckSaveData
+ ld hl, sCardCollection
+ jr WriteDataToBackup
+
+WriteBackupGeneralSaveData: ; 115dc (4:55dc)
+ ld bc, sGeneralSaveDataEnd - sGeneralSaveData
+ ld hl, sGeneralSaveData
+; fallthrough
+
+; bc = number of bytes to copy to backup
+; hl = pointer in SRAM of data to backup
+WriteDataToBackup: ; 115e2 (4:55e2)
+ ldh a, [hBankSRAM]
+ push af
+.loop
+ xor a ; SRAM0
+ call BankswitchSRAM
+ ld a, [hl]
+ push af
+ ld a, BANK("SRAM2")
+ call BankswitchSRAM
+ pop af
+ ld [hli], a
+ dec bc
+ ld a, b
+ or c
+ jr nz, .loop
+ pop af
+ call BankswitchSRAM
+ call DisableSRAM
+ ret
+; 0x115ff
+
+LoadBackupCardAndDeckSaveData: ; 115ff (4:55ff)
+ ld bc, sCardAndDeckSaveDataEnd - sCardAndDeckSaveData
+ ld hl, sCardCollection
+ jr LoadDataFromBackup
+
+LoadBackupGeneralSaveData: ; 11607 (4:5607)
+ ld bc, sGeneralSaveDataEnd - sGeneralSaveData
+ ld hl, sGeneralSaveData
+; fallthrough
+
+; bc = number of bytes to load from backup
+; hl = pointer in SRAM of backup data
+LoadDataFromBackup: ; 1160d (4:560d)
+ ldh a, [hBankSRAM]
+ push af
+
+.loop
+ ld a, BANK("SRAM2")
+ call BankswitchSRAM
+ ld a, [hl]
+ push af
+ xor a
+ call BankswitchSRAM
+ pop af
+ ld [hli], a
+ dec bc
+ ld a, b
+ or c
+ jr nz, .loop
+ pop af
+ call BankswitchSRAM
+ call DisableSRAM
+ ret
+; 0x1162a
INCLUDE "data/map_scripts.asm"
@@ -3026,7 +3259,7 @@ MainMenu_NewGame: ; 12704 (4:6704)
MainMenu_ContinueFromDiary: ; 12741 (4:6741)
ld a, MUSIC_STOP
call PlaySong
- call Func_11320
+ call ValidateBackupGeneralSaveData
jr nc, MainMenu_NewGame
farcall Func_c1ed
farcall SetMainSGBBorder
@@ -3054,8 +3287,8 @@ MainMenu_CardPop: ; 12768 (4:6768)
MainMenu_ContinueDuel: ; 1277e (4:677e)
ld a, MUSIC_STOP
call PlaySong
- farcall Func_c9cb
- farcall $04, Func_3a40
+ farcall ClearEvents
+ farcall $04, LoadGeneralSaveData
farcall SetMainSGBBorder
ld a, GAME_EVENT_CONTINUE_DUEL
ld [wGameEvent], a
@@ -3427,7 +3660,7 @@ LoadSpriteAnimPointers: ; 12ae2 (4:6ae2)
pop hl ; hl is animation bank
ld a, [wTempPointerBank]
ld [hli], a
- ld a, [wTempPointer]
+ ld a, [wTempPointer + 0]
ld [hli], a
ld c, a
ld a, [wTempPointer + 1]
@@ -3461,7 +3694,7 @@ HandleAnimationFrame: ; 12b13 (4:6b13)
inc hl
inc hl
ld a, [hl] ; SPRITE_ANIM_FRAME_OFFSET_POINTER
- ld [wTempPointer], a
+ ld [wTempPointer + 0], a
add SPRITE_FRAME_OFFSET_SIZE ; advance FRAME_OFFSET_POINTER by 1 frame, 4 bytes
ld [hli], a
ld a, [hl]
@@ -3525,7 +3758,7 @@ GetAnimFramePointerFromOffset: ; 12b6a (4:6b6a)
ld a, [hli]
ld [wTempPointerBank], a
ld a, [hli]
- ld [wTempPointer], a
+ ld [wTempPointer + 0], a
ld a, [hli]
ld [wTempPointer + 1], a
pop hl
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