SST-6809 SBC V2.0	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
  • Grant Searle's Simple 6809
  • 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 6×09 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 Lost Wizard Assembler (lwasm) can output assembled code as S-records, usually saved as .s19 files
  • The MacroAssembler AS
• Learning 6809 Assembly Language
  • 6809 Assembly Language Programming by Lance 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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