128 129 130 131 132 133 135 138 139 153 |
($80) ($81) ($82) ($83) ($84) ($85) ($87) ($8A) ($8B) ($99) |
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Break Key Was Pressed IOCB Already Open Nonexistent Device Open for Write Only Invalid XIO Call Made IOCB Not Open (from CIO) Open for Read Only Device Timeout NAK — Input Handshake Lines Not Ready Already in Concurrent Mode |