Re: 3270 controller simulation

[Al Kossow via cctalk]

On 11/18/19 9:52 AM, Grant Taylor via cctalk wrote:

> Do you know what protocol name would be used to describe the communications 
> between the mainframe OS and what it thinks
> are locally attached terminals?


http://bitsavers.org/pdf/ibm/3270/GA23-0059-4_3270_Data_Stream_Programmers_Reference_Dec88.pdf

you'll find lots of information about this side of things going back to the 
dark ages

http://bitsavers.org/pdf/ibm/3270/ZR20-4264-0_IBM_3270_Operation_and_Design_Education_Guide_Sep1971.pdf

getting away from applications programmers dealing with data streams is one of 
the reasons systems
like CICS were created

the protocol between the 3274/3174 and the terminals is different and varies 
between the different models of attached
terminal. it isn't even EBCDIC