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super minor flash code change

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This commit is contained in:
Matthew Berry 2022-08-31 17:58:17 -07:00
parent c2af1e50ca
commit be65ef2703
1 changed files with 8 additions and 8 deletions
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16
src/crab/gba/storage/flash.cr
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@ -63,19 +63,19 @@ module GBA
end
when .includes? State::CMD_2
if index == 0x5555
case value
when Command::ENTER_IDENT.value then @state |= State::IDENTIFICATION
when Command::EXIT_IDENT.value then @state ^= State::IDENTIFICATION
when Command::PREPARE_ERASE.value then @state |= State::PREPARE_ERASE
when Command::ERASE_ALL.value
case Command.new(value)
when Command::ENTER_IDENT then @state |= State::IDENTIFICATION
when Command::EXIT_IDENT then @state ^= State::IDENTIFICATION
when Command::PREPARE_ERASE then @state |= State::PREPARE_ERASE
when Command::ERASE_ALL
if @state.includes? State::PREPARE_ERASE
@memory.size.times { |i| @memory[i] = 0xFF }
@dirty = true
@state ^= State::PREPARE_ERASE
end
when Command::PREPARE_WRITE.value then @state |= State::PREPARE_WRITE
when Command::SET_BANK.value then @state |= State::SET_BANK if @type == Type::FLASH1M
else puts "Unsupported flash command #{hex_str value}"
when Command::PREPARE_WRITE then @state |= State::PREPARE_WRITE
when Command::SET_BANK then @state |= State::SET_BANK if @type == Type::FLASH1M
else puts "Unsupported flash command #{hex_str value}"
end
elsif @state.includes?(State::PREPARE_ERASE) && index & 0x0FFF == 0 && value == Command::ERASE_CHUNK.value
0x1000.times { |i| @memory[0x10000 * @bank + index + i] = 0xFF }