Re: Subfile weirdness

On 04/08/2010, at 12:47 AM, Jon Paris wrote:

Actually I'm using Mocha and TN5250J. Same problem with both.

Well, I wouldn't take either of those as gospel. Test your program in PC5250 (load a copy under Parallels or similar so using WinDOS isn't too offensive).

Mochasoft is a very average emulator and because it is easy to trace many others clone aspects of its behaviour. I've seen a number of emulators respond to things (e.g., 5250 Query) with identical and wrong values that are direct copies of what Mochsoft does. They'd be better to clone PC5250. While not perfect it is still the most complete implementation of a 5250 emulator.

Interesting that you think it's related to the volume of data in the subfile. The only data sent to the client is the currently visible part of the subfile (i.e., can't be more than 1920 characters in 24*80 or 3564 characters in 27*132 neither of which constitutes a large amount of data. Also, I thought you said you had defined CA keys in which case no data is sent to the host other than the key press itself and the cursor position (total of 3 bytes of data).

Finally, didn't you say your program didn't get control when a CA key was pressed so again seems to be a problem with those emulators.

Perhaps you have too many fields defined (more than 256)?

Regards,
Simon Coulter.
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