====== SST-6809 Single Board Computer ======

^  SST-6809 SBC V2.0  ^  SST-6809 SBC V2.1  ^
|  {{sst-6809-2.0.png?512|SST-6809 SBC V2.0}}  |  {{sst-6809-2.1.png?512|SST-6809 SBC V2.1}}  |

The SST-6809 single-board computer provides an expandable platform for learning Motorola MC6809 or Hitachi HD6309 assembly language and bare-metal interface experimentation.

  * Start Here: [[https://github.com/KenWillmott/SST-6809]]
  * Design Inspirations
    * [[http://searle.x10host.com/6809/Simple6809.html|Grant Searle's Simple 6809]]
    * [[http://jefftranter.blogspot.com/2019/01/a-6809-single-board-computer.html|Jeff Tranter's 6809 Single Board Computer]]
  * The SST-6809 Hardware
    * [[A Tour of the Hardware]]
    * [[Parts List]]
  * The [[Memory Map]]
    * [[56K NVRAM]]
    * [[Main Bus Select 0 1K]]
    * [[Main Bus Select 1 1K]]
    * [[ACIA Select 256b]]
    * [[Memory Latch Select 256b]]
    * [[EEPROM 4K]]
  * Configuring the Jumpers
    * [[JP2]] - Secondary Battery
    * [[JP3]] - Power Select
    * [[JP5]] - Boot ROM Select
    * [[J4]] - Main Serial Signals
    * [[J5]] - Additional 6x09 Signals
    * [[J6]] - Secondary Battery and Additional Serial Signals
  * The [[SBC Reset Circuit]]
  * The [[M8 Bus]]
    * [[M8 Game Board]]
    * [[M8 6809 Mezzanine Board]]
    * [[M8 6522 Prototyping Board]]
    * [[M8 Blinkenlights]]
  * Motorola [[ASSIST09]]
    * [[Getting Started]]
    * [[Hexadecimal Loader]]
    * [[Load Motorola S-Records]]
  * Ported Software
    * [[TinyBASIC]] by Tom Pittman, Holger Veit, and Doug Gilliland
    * [[TSC BASIC]] by TSC, Brian L. Stuart, and Doug Gilliland
    * [[PSYMON]] 1.20B by Percom Data Systems 
    * [[BUGGY]] 1.01 by Lennart Benschop
    * [[microFORTH]] 1.0 by Mike Pashea, ported by Ken Willmott
  * Development Tools
    * The [[http://www.lwtools.ca/|Lost Wizard Assembler (lwasm)]] can output assembled code as S-records, usually saved as .s19 files
    * The [[http://john.ccac.rwth-aachen.de:8000/as/|MacroAssembler AS]]
  * Learning 6809 Assembly Language
    * [[https://archive.org/details/6809_Assembly_Language_Programming_by_Lance_Leventhal|6809 Assembly Language Programming]] by Lance Leventhal 
    * [[https://archive.org/details/assembly-language-subroutines-for-the-6809_Leventhal|Assembly Language Subroutines for the 6809]] by Lance Leventhal
  * Additional Resources
    * [[https://www.cs.drexel.edu/~bls96/6809sbc/]]
    * [[https://github.com/douggilliland/Retro-Computers]] in 6809 subdirectory

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