8051 Tools

Programmer

• Atmel flash programmer
  - free
  - program Atmel Flash-Micros
  - AT89C51/52, AT89C2051, AT90S1200
  - via serial connection to your PC
  - include lock and fuse bit programming
• In System Programming AT89S53 / AT98S8252
  
  

  ---

Development boards

• Using DS5000
  - up to 32kB download Intel-Hex
• Using Flash
  - full 64kB very fast binary download (<20sec)

  ---

Assembler

• Metalink-Assembler
  - free
  - not so powerful, as the Keil-Assembler
    (reduced macro capabilities)
  - syntax compatible to most others
    (most public domain source examples can be assembled)
  - the best I found for free

  ---

Simulator

• Simulator of Werner Hennig-Roleff
  - shareware
  - do all what you need (include interrupts, timers)
  - work correct on all my tests
  - disassembling of constant data (DB-statement)
  
• Simulator of Jens Altmann
  - free
  - runnig only under W95
  - in development (I have detect some bugs)
  - no timer simulation (avaiable in future ???)
  - disassembling of constant data (DB-statement)
  - include debug informations (labels)

  ---

Other links

• Keil Tools
  - if you want good tools for money