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27 lines
644 B
Go
27 lines
644 B
Go
// Copyright Terence J. Boldt (c)2021-2022
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// Use of this source code is governed by an MIT
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// license that can be found in the LICENSE file.
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// This file provides access to read and write
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// blocks on a ProDOS drive image
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package prodos
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import (
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"io"
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)
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// ReadBlock reads a block from a ProDOS volume into a byte array
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func ReadBlock(reader io.ReaderAt, block int) []byte {
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buffer := make([]byte, 512)
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reader.ReadAt(buffer, int64(block)*512)
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return buffer
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}
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// WriteBlock writes a block to a ProDOS volume from a byte array
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func WriteBlock(writer io.WriterAt, block int, buffer []byte) {
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writer.WriteAt(buffer, int64(block)*512)
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}
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