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ASxxxx Change Log

   Summary  of  changes/additions  to the ASxxxx Assemblers from
Version 4.00 to Version 4.10.  

     1.  Added new assemblers for the Zilog EZ80, Zilog Z8, Sig-
         netics 2650, and Fujitsu F2MC8(L,FX) processors.  

     2.  Added the processor cycle count option (-c) to all pro-
         cessors.  

     3.  Several   of  the  assemblers  (ASZ80,  ASRAB,  AS6805,
         AS6808, AS6812, ASF2MC8, ...) now  support  subsets  or
         supersets  of  their basic opcodes by the use of assem-
         bler specific directives.  

     4.  Added .ifeq, .ifne, .iflt, .ifgt, .ifle, and .ifge con-
         ditional assembly directives.  

     5.  Added  support  for the Tandy Color Computer Disc Basic
         binary file format to ASLINK.  

     6.  Updated the assembler and linker source code to support
         16-Bit and 32-Bit compilers.  Tested with Borland Turbo
         C++  3.0  and  Symantec 7.2 C/C++ 16-Bit compilers, and
         with Visual C++ 6.0, Cygwin, DJGPP  V02.03,  and  Linux
         32-Bit compilers.  

     7.  Problem:  
         When  an area size is equal to the 'address space size'
         the size parameter is reported as 0.  (A normal  condi-
         tion  caused  by  address rollover to 0.) Aslink inter-
         preted this as a 0 size.  

         Fix:  
         A  new area 'Output Code Flag' bit was defined to indi-
         cate when data is  defined  in  an  area.   ASxxxx  and
         Aslink  have  been updated to set and process this area
         flag bit.  

     8.  Problem:  
         The  use  of  the .end assembler directive in an Asxxxx
         assembler would cause Aslink  to  output  the  optional
         start address in all output files.  

         Fix:  
         Updated  Aslink  to  output  the optional start address
         only in the output file associated with  the  area/bank
         containing the .end directive.  

     9.  Problem:  
         Aslink  creates  output  files for banks with no output
         data.  

         Fix:  
         Aslink  now  deletes  any created output file for banks
         with no data.  

    10.  Incorporated  the  patches  contained in p01400.zip for
         files t1802.asm and 1802pst.c to correct for  an  error
         in  the  opcodes  generated  for  the  BM,  BL, and BNF
         mnemonics.  

    11.  Incorporated  the  patches  contained in p02400.zip for
         file ds8adr.c to correct for an  error  in  the  direct
         page addressing mode of AS8xCxxx.  

    12.  Incorporated  the  patches  contained in p03400.zip for
         file rabmch.c to correct for an error in the processing
         of the "ret cc" instruction.  

    13.  Made many corrections to internal code comments.  

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Last Updated: January 2006