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utilities for the Merlin 8/16+ assembler
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README.md

merlin-utils

utilities for the Merlin 8/16+ assembler

An OMF linker for Merlin 8/16+ REL files. Why? ummm....

merlin-link [-D key=value] [-X] [-C] [-o outfile] files....

  • -X: inhibit expressload segment
  • -C: inhibit super relocation records
  • -D: define an absolute label. value can use $, 0x, or % prefix.
  • -S: treat input file as a linker command file
  • -o: specify output file. default is omf.out
  • -v: be verbose

If there is one input file and it ends with .S (case insensitive), it is treated as a linker command file.

Linker Command File

The following opcodes are supported:

END,DAT, PFX, TYP, ADR, ORG, KND, ALI, DS, LKV, VER, LNK, IMP, SAV, KBD, POS, LEN, EQ, EQU, =, GEQ, EXT, DO, ELS, FIN, ENT

  • VER: only allows OMF version 2.
  • IMP: (qasm) - import a binary file. Entry name is the file name with non alphanumerics converted to _
  • KBD: won't prompt if label was previously defined (via -D for example)

No operand math is allowed at this time.

Current Status

Usable, if you can find a use for it. Linking Marinetti (after assembling with Merlin 16+) generates an equivalent OMF file. The file is not identical due to differences in relocation records but OMF Analyzer COMPARE considers them identical.

Building

git submodule init
git submodule update
make

Requires a c++17 compiler. (ie, ubuntu bionic or OS X 10.13).