48 lines
836 B
Go
48 lines
836 B
Go
package handlers
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import (
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"fmt"
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"os"
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"github.com/tjboldt/Apple2-IO-RPi/RaspberryPi/apple2driver/a2io"
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)
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var oldFirmware = false
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func ReadBlockCommand(drive1 *os.File, drive2 *os.File) {
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blockLow, _ := a2io.ReadByte()
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blockHigh, _ := a2io.ReadByte()
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var driveUnit byte = 0
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var err error
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if !oldFirmware {
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driveUnit, err = a2io.ReadByte()
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if err != nil {
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fmt.Printf("Drive unit not sent, assuming older firmware")
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oldFirmware = true
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}
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}
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file := drive1
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if driveUnit >= 8 {
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file = drive2
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}
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buffer := make([]byte, 512)
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var block int64
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block = int64(blockHigh)*256 + int64(blockLow)
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fmt.Printf("Read block %d\n", block)
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file.ReadAt(buffer, int64(block)*512)
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err = a2io.WriteBlock(buffer)
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if err == nil {
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fmt.Printf("Read block completed\n")
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} else {
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fmt.Printf("Failed to read block\n")
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}
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}
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