Microsoft MS-DOS based mainframe assembler created by Don Higgins. Based on a previous z80 based mainframe assembler also created by Don Higgins. Included assembler, linker and 370 emulator to execute programs. First released in 1985 as shareware.
Used by Micro Focus in MF/370 and Micro Focus Mainframe Express, and PANSOPHIC in TELON PC.
Replaced with z390.
Entry last updated: 04-Jan-2013