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Help! Just trying to assemble+link a DOS proggie

Started by NoCforMe, March 02, 2024, 08:29:41 AM

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NoCforMe

I can't believe I'm having problems with this, something I used to do hundreds of times.

Just trying to create a test program that'll run under DOS (using vDOS). Trying to create an .exe (I guess my next move would be to try for a .com program). I have stack and code segments, no data seg. (don't need one). I'm not even referencing the segments at all, just using PUSH CS/POP DS to access my data in the code seg., so I'm not sure why it's complaining about fixups. Assembles no problem, but I'm getting link errors:

fatal error LNK1190: invalid fixup found, type 0x0001

Something to do with segments, no doubt.

I'm using link.exe version 5.12.8078. Pretty sure the linker I used to use years ago was much older than that. Is this linker even capable of making an old-style DOS-compatible program?

Not sure about the following:
  • SUBSYSTEM type? Should it be console? native? something else?
  • Object format: COFF?

I've tried various combinations, nothing works. When I left off the /coff option from ml.exe (assembler), I got a warning:
warning LNK4033: converting object format from OMF to COFF
Not sure what "OMF" is.

Code is quite long, so not ready to post it just yet, but will do if needed.
Assembly language programming should be fun. That's why I do it.

TimoVJL

May the source be with you

NoCforMe

Assembly language programming should be fun. That's why I do it.