Leslie Satenstein wrote in a message to Rinat Sadretdinow:

 LS> In a recent message concerning "ASM... " Rinat Sadretdinow
 LS> stated... 

RS> Microsoft no longer develops MASM for OS/2 since 5.1 had been. So
RS> I pointed there is no MASM for OS/2, only TASM and ALP.

 LS> Hello Rinat,  I found a freeware ASM compiler for OS/2 from the IBM
 LS> BBS. That is, an IBM ASM compiler for OS/2.

 LS> Regretably, I don't use OS/2, so I did not keep the name. It is
 LS> probably available from FIDONET'S FERNWOOD or HOBBES libraries
 LS> (more the latter).

ALP is the name.  ALP is an OS/2 32-bit assembler made by IBM.  However, it
is unsupported.  It can be found on DevCon and probably IBM BBSes and BBSes
with a lot of OS/2 stuff.

 - Daniel Morgan 
--- timEd/2 1.10