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49 lines
1.5 KiB
Markdown
49 lines
1.5 KiB
Markdown
# merlin-utils
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utilities for the Merlin 8/16+ assembler
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An OMF linker for Merlin 8/16+ REL files. Why? ummm....
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`merlin-link [-D key=value] [-X] [-C] [-o outfile] files....`
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* `-X`: inhibit expressload segment
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* `-C`: inhibit super relocation records
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* `-D`: define an absolute label. value can use `$`, `0x`, or `%` prefix.
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* `-S`: treat input file as a linker command file
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* `-o`: specify output file. default is `omf.out`
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* `-v`: be verbose
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If there is one input file and it ends with `.S` (case insensitive), it is treated as a linker command file.
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### Linker Command File
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The following opcodes are supported:
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`END`,`DAT`, `PFX`, `TYP`, `ADR`, `ORG`, `KND`, `ALI`, `DS`, `LKV`, `VER`, `LNK`, `IMP`, `SAV`, `KBD`,
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`POS`, `LEN`, `EQ`, `EQU`, `=`, `GEQ`, `EXT`, `DO`, `ELS`, `FIN`
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* `VER`: only allows OMF version 2.
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* `LKV`: 0 (binary), 1 (single segment OMF), 2 (multi segment OMF)
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* `IMP`: (qasm) - import a binary file. Entry name is the file name with non alphanumerics converted to `_`
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* `KBD`: won't prompt if label was previously defined (via `-D` for example)
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No operand math is allowed at this time.
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### Current Status
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Usable, if you can find a use for it. Linking Marinetti (after assembling with Merlin 16+) generates an equivalent
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OMF file. The file is not identical due to differences in relocation records but OMF Analyzer COMPARE considers them identical.
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### Building
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```
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git submodule init
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git submodule update
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make
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```
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Requires a c++17 compiler. (ie, ubuntu bionic or OS X 10.13). Also assumes a little-endian environment :/
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