alttpr-gwaa-kiwi/alttpr-baserom
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Add backup save that gets checked and loaded if main save is corrupt

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Add suffixes to instructions in save.asm
Disable HDMA, NMI, and joypad during extended save DMA
This commit is contained in:
cassidoxa
2022-07-29 20:57:54 -04:00
parent 10079a539b
commit d8846a4ba9
3 changed files with 175 additions and 116 deletions
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10
sram.asm
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@@ -411,9 +411,10 @@ RomVersionSRAM: skip 4 ; ALTTPR ROM version. Low byte is the version, h
; $01 for now (32-bits total)
RomNameSRAM: skip 21 ; ROM name from $FFC0, burned in during init (21 bytes)
; If value in the ROM doesn't match SRAM, save is cleared.
skip 4075 ;
PasswordSRAM: skip 16 ; Password value (16 bytes)
skip 8155 ;
SaveBackupSRAM: ; Backup copy of save ram. Game will attempt to use this if
; checksum on file select screen load fails.
base off
;================================================================================
@@ -656,8 +657,9 @@ endmacro
%assertSRAM(FileValiditySRAM, $7003E1)
%assertSRAM(InverseChecksumSRAM, $7004FE)
%assertSRAM(ExtendedFileNameSRAM, $700500)
%assertSRAM(RomNameSRAM, $702000)
%assertSRAM(RomVersionSRAM, $701FFC)
%assertSRAM(PasswordSRAM, $703000)
%assertSRAM(RomNameSRAM, $702000)
%assertSRAM(PasswordSRAM, $702015)
%assertSRAM(SaveBackupSRAM, $704000)
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