IBM Mainframe Forum

Perhaps you should read the z390 documentation to find the appropriate format and how to get rid of the error message?

Robert!
we are just wasting time
see also the other posts on the same subject from the same TS
all dealing with missing macros and badly formatted sources and unread z390 documetation

and the TS complains about flaming...
also the nickname is wrong... he should call himself NULLInstSet

Reduced Instruction Set Comput(er/ing) Complex Instruction Set Comput(er/ing) Instruction Set

No Instruction Set Assembling

all dealing with missing macros and badly formatted sources and unread z390 documetation

"RTFM" I need to find where the info is first. Which document do I need?

Another thing I am what you call a "newcomer." And do you not notice this stupid question is in the stupid questions forum? You know, the forum for noobs who ask very beginner type questions, or otherwise don't know how to come up with the best question?

"RTFM" I need to find where the info is first. Which document do I need?

exactly in he same place where You downloaded the z390 executables.

being a beginner should not prevent the use of Your brain and of Your eyes.
the link for the documentation is clearly visible in the z390 starting page ( on the left )

z390 Portable Mainframe Assembler and Emulator Project

Overview
Contributors
Download Links
Archive
History 1
History 2
Statistics
Documentation
References
IBM Links
zcobol Compiler
zpar Reports
Java Version

And take of the Hair Shirt. The whole site is for Students and Beginners.

follow on... repeat on ...
all these issues are not ASSEMBLER related

they are related to the lack of knowledge of the tool being used ... the z390 assembler and emulator
and to not having read z390 documentation from the beginning
and as a consequence to not having done a proper setup

exactly in he same place where You downloaded the z390 executables.

error: "invalid character in opcode"

I'm looking at several different documents from both ibm.com and z390.org. Do you know which pdf file will deal with the details relating to this error?

we are all wasting time on Your stubbornness, and unwillingness to try to understand the replies You received

again and again ...
did You read my previous replies about PROPERLY FORMATTED source ?
the program source is f***ed up

I have not the time nor the willingness to research the docs on Your behalf,
what happened when You edited Your source getting rid of the tabs and aligning things properly ?
since You keep receiving that annoying message it is clear that You did not care to follow up my suggestion

why don' t You try with something shorter like for example the usual HELLOWORLD

And only use the MS-DOS EDIT editor with it.

Actually, any text editor that save as plain text (no tabs etc.). I use Textpad, SPF/Pro and SPFLite. Others prefer UltraEdit. There are other plain text editors available.