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ASxxxx Cross Assemblers

  • Version: 5.00
  • Downloads Count: 677
  • License Type: Free
  • Price: Free
  • Date Added: Apr 2, 2009
  • Operating Systems: Microsoft Windows 2000, Microsoft Windows XP
  • File Size: 14.392 MB
  • Author: Alan Baldwin

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Description of ASxxxx Cross Assemblers

The ASxxxx assemblers are a series of microprocessor assemblers written in the C programming language. This collection contains cross assemblers for the 1802, S2650, MPS430, 61860, 6500, 6800(6802/6808), 6801(hd6303), 6804, 6805, 68HC(S)08, 6809, 68HC11, 68HC(S)12, 68HC16, 740, 8048, 8051, 8085(8080), AVR, DS8xCxxx, ez80, F2MC8L/FX, GameBoy(Z80), H8/3xx, Cypress PSoC (M8C), PIC, Rabbit 2000/3000, SC/MP, z8, and z80(hd64180) series microprocessors. Each assembler has a device specific section which includes: (1) device description, byte order, and file extension information, (2) a table of assembler general directives, special directives, assembler mnemonics and associated operation codes, (3) machine specific code for processing the device mnemonics, addressing modes, and special directives. The assemblers provide the following features: (1) alphabetized, formatted symbol table listings, (2) relocatable object modules, (3) global symbols for linking object modules, (4) conditional assembly directives, (5) reusable local symbols, (6) include-file processing, and (7) a macro processor. The companion program ASLINK is a relocating linker performing the following functions: (1) bind multiple object modules into a single memory image, (2) resolve inter-module symbol references, (3) resolve undefined symbols from specified libraries of object modules, (4) process absolute, relative, concatenated, and overlay attributes in data and program sections, (5) perform byte and word program-counter relative (pc or pcr) addressing calculations, (6) define absolute symbol values at link time, (7) define absolute area base address values at link time, (8) produce Intel Hex, Motorola S record, or Tandy CoCo Disk Basic binary output files, (9) produce a map of the linked memory, image, and (10) update the ASxxxx assembler listing files with the absolute linked addresses and data.

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