3270 controller simulation

Grant Taylor cctalk at gtaylor.tnetconsulting.net
Mon Nov 18 12:07:12 CST 2019

On 11/18/19 11:02 AM, Al Kossow via cctalk wrote:
> 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

Thank you.

> 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

Hum.  I don't know much about CICS.  I had naively thought that it was 
also about transactions.  But I definitely see the benefit of both.

> 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

LOL  Joy.

Grant. . . .
unix || die

More information about the cctech mailing list