I was told that it wasn't possible to write OS/2 programs in assembler, you had to use IBM's C compiler. I used the C compiler's extensive documentation, MASM,

I was told that it wasn't possible to write OS/2 programs in assembler, you had to use IBM's C compiler. I used the C compiler's extensive documentation, MASM, and a lot of anger/persistence to write Forth/2 a native code Forth system. The cool part was that you could boot OS/2 off of a single floppy disk if you didn't need the GUI. I had that and Forth/2 on a demo disk.