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Detailed Flowcharts
Appendix D
D11
Figure D.12
SENDTX
Subroutine
11665
SENDTX
TXALLOC
Allocate UAR T
or Wait
SEND
Transmit DLE
SEND
Transmit ETX
SEND
Transmit CRC
Low Byte
Zero Out Any
Previous Response
Code at RESP
SEND
Transmit CRC
High Byte
TXFREE
Deallocate
UART
RETURN
Input
• CRC
Common
• RESP: The Response Code V ariable