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Re: #VMCE #rexx EE goes XEDIT - compiling a wish list #VMCE #rexx

 

VM/370 does not have EXEC2.

I don't know if EE is reentrant, which is a requirement of a saved segment.?

Currently, EE resides in the user area at x'20000'.? That restricts the CMS commands it can issue to those that run?
the transient area
2. in high memory in a segment
3. in a Nucleus Extension or
4. in an area loaded by the RESLIB command.

Bob Bolch


On Thu, Oct 27, 2022, 8:00 PM Mark A. Stevens via <marXtevens=[email protected]> wrote:
On Thu, Oct 27, 2022 at 01:36 PM, Martin Scheffler wrote:
CMS HELP was based on XEDIT since VM/SP 1.
FILELIST arrived with VM/SP 2, EXEC 2 was used ( still EXEC 2 on LCM+L's VM/SP 5 but (compiled) REXX on z/VM 6.4).

REXX arrived with VM/SP 3, XEDIT received EXTRACT, Prefix Macro Support, Selective Line Editing (see ).

I think as a minimum we should approach VM/SP 3 XEDIT compatibility.

Martin
I think SP3 compatibility would be a good start. BREXX still has a problem with parsing its command line, so that will be a challenge, in and of itself. Would support of EXEC2 be present, until BREXX is fixed?

I don't know where XEDIT lives in memory, when invoked. Does putting it, or part of it in a DisContiguous Saved Segment (DCSS) hurt or help? Was it in the CMS DCSS since SP 1?

?... Mark S.

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