Add Merlin 32 assembler format parser and writer. **Why**: Merlin is popular for 6502 cross-development **Effort**: 4-5 hours (parser + writer) **Component**: cvt_asm
Add Merlin 32 assembler format parser and writer.
Why: Merlin is popular for 6502 cross-development
Effort: 4-5 hours (parser + writer)
Component: cvt_asm