R - Resume Em Execution (Debugger Only); S - Block Em Execution (Debugger Only) - VeriFone Omni 3200 Reference Manual

Omni 3200 Reference Manual
R — Resume EM Execution (Debugger Only)
S — Block EM Execution (Debugger Only)
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Command Packet Received by Terminal:
<FFh> <55h> <count> P <device> <CRC1> <CRC2>
Response Packet Sent by Terminal:
<FFh> <55h> <count> P <device> <data> <CRC1> <CRC2>
The R command resumes executing the EM code that was blocked by
the S command or put in the step mode by the [space] command. The
terminal sends the response packet to the diagnostic computer to
indicate that the command was received and executed.
Refer to the descriptions of the S and [space] commands following.
Command Packet Received by Terminal:
<FFh> <55h> <count> R <CRC1> <CRC2>
Response Packet Sent by Terminal:
<FFh> <55h> <count> R <CRC1> <CRC2>
The S command makes the terminal stop executing EM code,
essentially pausing the application program. The terminal sends the
response packet to the diagnostic computer to indicate that the
command was received and executed.
To resume executing the program, send an R command to the
terminal.
Descriptions of Diagnostic and Debugging Commands