Projects / AS Macroassembler

AS Macroassembler

AS is a portable macro cross-assembler for a variety of microprocessors and controllers. Though it is mainly targeted at embedded processors and single-board computers, you also find CPU families in the target list that are used in workstations and PCs.

Operating Systems

Recent releases

  •  30 Mar 2003 14:45

    Release Notes: KCPSM/Picoblaze support was added. National INS 807x support was added. Path/filename handling was fixed for the Win32 target.

    •  24 Nov 2002 20:04

      Release Notes: Improved support for structures and unions, and addition of the 8085's undocumented instructions.

      •  26 May 2002 22:25

        Release Notes: The AVR part has been completely overworked, and Mega-AVR instructions and addresses have been added. A small bug in the DATA statement that came up when both byte and word operands were dumped in one statement has been fixed. The TMS3206x part now handles the 'pseudo machine instructions' directly that had to be emulated via macros before. Additionally, there is now a set of pseudo instructions for it. ENDIF/ENDCASE now print the line number of the corresponding IF/SWITCH to the listing.

        •  10 Oct 2001 19:01

          Release Notes: This release fixes a parser bug with ASCII integer constants, and fixes a bug that could lead to crashes when writing debug info and using struct defintions.

          •  03 Sep 2001 20:06

            Release Notes: This release fixes the parsing of extended register syntax for Toshiba TLCS-900 and the -e option of P2HEX.


            Project Spotlight


            A Fluent OpenStack client API for Java.


            Project Spotlight

            TurnKey TWiki Appliance

            A TWiki appliance that is easy to use and lightweight.