## The Linker Description

### ... Building ASxxxx and ASlink

####

        ... Building an Assembler
        ... Building ASlink
        ... Go to Documentation Index

####

       The  assemblers  and  linker  have  been  tested using Linux,
    DJGPP,  Cygwin,  Symantec  C/C++   V6.1/V7.2,   and   VC6   with
    MS-DOS/Windows  3.x/9x/NT/2000/XP.  Complete source code and do-
    cumentation for the assemblers and linker is included  with  the
    distribution.   Additionally,  test  code for each assembler and
    several microprocessor monitors ( ASSIST05 for the 6805,  MONDEB
    and  ASSIST09  for  the  6809, and BUFFALO 2.5 for the 6811) are
    included as working examples of use of these assemblers.

       The assemblers and linker have been successfully compiled us-
    ing Linux, Cygwin, DJGPP (GCC 2.8.2), Symantec C/C++  V6.1/V7.2,
    and VC6.  A Linux makefile,  Cygwin makefile,  DJGPP makefile,
    Symantec project files, and VC6  project  files  are  available
    to build all the assemblers and the linker.

### ... Building an Assembler

####

       The  building  of  a typical assembler (6809 for example) re-
    quires the following files:

         1.  m6809.h
         2.  m09ext.c
         3.  m09mch.c
         4.  m09adr.c
         5.  m09pst.c
         6.  asxxxx.h
         7.  asmain.c
         8.  asdbg.c
         9.  aslex.c
        10.  assym.c
        11.  assubr.c
        12.  asexpr.c
        13.  asdata.c
        14.  aslist.c
        15.  asout.c

       The  first  five  files are the 6809 processor dependent sec-
    tions which contain the following:

         1.  m6809.h -  header  file containing the machine specific
             definitions of constants,  variables,  structures,  and
             types

         2.  m09ext -  device  description, byte order, and file ex-
             tension information

         3.  m09pst -  a  table of the assembler general directives,
             special device directives, and assembler mnemonics with
             associated operation codes

         4.  m09mch / m09adr -  machine specific code for processing
             the device mnemonics,  addressing  modes,  and  special
             directives

       The  remaining nine files provide the device independent sec-
    tions which handle the  details  of  file  input/output,  symbol
    table  generation,  program/data areas, expression analysis, and
    assembler directive processing.

##### => Section Index

### ... Building ASlink

####

       The building of the linker requires the following files:

         1.  aslink.h
         2.  lkmain.c
         3.  lklex.c
         4.  lkarea.c
         5.  lkbank.c
         6.  lkhead.c
         7.  lksym.c
         8.  lkeval.c
         9.  lkdata.c
        10.  lklist.c
        11.  lkrloc.c
        12.  lkrloc3.c
        13.  lkrloc4.c
        14.  lklibr.c
        15.  lknoice.c
        16.  lksdcdb.c
        17.  lkout.c

##### => Section Index

####

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