alttpr-gwaa-kiwi/alttpr-baserom
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Palette handling & sprite props data tables

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Statically assign item data tables
Fix some save-related bugs
Fix dungeon item notice in "this dungeon" with free dungeon items
This commit is contained in:
cassidoxa
2023-08-01 17:13:47 -04:00
parent d3ed95d639
commit 8ed4cbda1d
19 changed files with 1693 additions and 1640 deletions
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80
save.asm
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@@ -1,18 +1,42 @@
;--------------------------------------------------------------------------------
WriteSaveChecksumAndBackup:
LDX.w #$0000 : TXA : - ; Checksum first $04FE bytes
CLC : ADC.l SaveDataWRAM, X
INX #2
CPX.w #$04FE : BNE -
LDX.w #$0000 : - ; Checksum extended save data
CLC : ADC.l ExtendedFileNameWRAM, X
INX #2
CPX.w #$0FFE : BNE -
TDC
CLC
LDX.w #$004FC
-
ADC.l SaveDataWRAM, X
DEX #2
BPL -
LDX.w #$0FFE
-
ADC.l ExtendedFileNameWRAM, X
DEX #2
BPL -
STA.b Scrap00
LDA.w #$5A5A
SEC : SBC.b Scrap00
STA.l InverseChecksumSRAM
BRA .backup_save
.from_sram
TDC
CLC
LDX.w #$004FC
-
ADC.l CartridgeSRAM, X
DEX #2
BPL -
LDX.w #$0FFE
-
ADC.l ExtendedFileNameSRAM, X
DEX #2
BPL -
STA.b Scrap00
LDA.w #$5A5A
SEC : SBC.b Scrap00
STA.l InverseChecksumSRAM
.backup_save
PHB
LDA.w #$14FF ; \
LDX.w #CartridgeSRAM ; | Copies $1500 bytes from beginning of cart SRAM to
@@ -21,31 +45,37 @@ WriteSaveChecksumAndBackup:
PLB
TDC
TAX
RTL
;--------------------------------------------------------------------------------
ValidateSRAM:
REP #$30
LDX.w #$0000 : TXA : - ; Checksum first $04FE bytes
CLC : ADC.l CartridgeSRAM, X
INX #2
CPX.w #$04FE : BNE -
LDX.w #$0000 : - ; Checksum extended save data
CLC : ADC.l ExtendedFileNameSRAM, X
INX #2
CPX.w #$0FFE : BNE -
TDC
CLC
LDX.w #$04FC
-
ADC.l CartridgeSRAM, X
DEX #2
BPL -
LDX.w #$0FFE
-
ADC.l ExtendedFileNameSRAM, X
DEX #2
BPL -
STA.b Scrap00
LDA.w #$5A5A
SEC : SBC.b Scrap00
CMP.l InverseChecksumSRAM : BEQ .goodchecksum
LDX.w #$0000 : TXA : - ; Do the same for the backup save
CLC : ADC.l SaveBackupSRAM, X
INX #2
CPX.w #$04FE : BNE -
LDX.w #$0000 : -
CLC : ADC.l SaveBackupSRAM+$500, X
INX #2
CPX.w #$0FFE : BNE -
TDC
LDX.w #$04FC
-
ADC.l SaveBackupSRAM, X
DEX #2
BPL -
LDX.w #$0FFE
-
ADC.l SaveBackupSRAM+$500, X
DEX #2
BPL -
STA.b Scrap00
LDA.w #$5A5A
SEC : SBC.b Scrap00