The last version of RASM is v0.110 (27th February 2019). This multi platform assembler (linux, windows, but not only like MorphOS on Amiga) let you program for Amstrad CPC.

The online documentation is available.

update v0.109
- bugfix crash when trying to save with a negative size
- bugfix crash case with macro and wrong parameter number
- bugfix EDSK update
- IFDEF/IFNDEF now scans for macro names
- TZX/CDT output support (not working)
- RUN directive may use unknown var as parameter
- embedded Rasm may return info struct about errors and symbols

There is more different files to download:
- msdos version
- windows 32bits executable
- windows 64bits executable (20% faster than 32bits version)
- sources

update v0.110
- allow numeric expression beginning with +
- bugfix uninitialized memory reads and memory leaks with embedded Rasm