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fixed golden sun saves (return 64k flash id for 64k chips)

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This commit is contained in:
Matthew Berry 2021-02-07 11:52:28 -08:00
parent 01eadfd5a6
commit ed6d42b2e2
1 changed files with 5 additions and 3 deletions
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8
src/crab/storage/flash.cr
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@ -20,18 +20,20 @@ class Flash < Storage
SET_BANK = 0xB0
end
SANYO = 0x1362_u16
@state = State::READY
@bank = 0_u8
def initialize(@type : Type)
@memory = Bytes.new(@type.bytes, 0xFF)
@id = case @type
when Type::FLASH1M then 0x1362 # Sanyo
else 0x1B32 # Panasonic
end
end
def [](index : Int) : Byte
if @state.includes?(State::IDENTIFICATION) && 0 <= index <= 1
(SANYO >> (8 * index) & 0xFF).to_u8!
(@id >> (8 * index) & 0xFF).to_u8!
else
@memory[0x10000 * @bank + index]
end