====== Introduction ======
ZSOS is a CPM/3 Distribution for the S100Computers.com Z80 Single Board
Computer (Z80-SBC) using the DLP USB device for console output.

For information on the Z80-SBC, see: 
http://goo.gl/5TqFu4 (shortened link to S100Computers.com page to fit
in 80 column text file)

For the ZSOS main page with instructions on writing to a CF card, see:
http://www.retrobrewcomputers.org/doku.php?id=software:firmwareos:zsos:start

For discussion about this software/to ask for help, see:
https://groups.google.com/forum/#!forum/s100computers

===== Major features =====
* Choice of 2 images files:
** Non-banked CP/M 3 w/43K Transient Program Area
** Banked CP/M 3 w/53K Transient Program Area
* Includes support for a single drive on the CF card (A:)     
     * User Area 0: CP/M 3 Base Files
     * User Area 1: XMODEM + Kermit + MBASIC 5.29
     * User Area 2: SuperSoft Utilities
     * User Area 3: DDTZ Debugger (will need to be built from source)
     * User Area 4: BDS Tiny C
     * User Area 5: Games
     * User Area 6: Turbo Pascal 3.0
     * User Area 7: Development Utilities
     * User Area 8: <Available for additional user files>
     * User Area 9: <Available for additional user files>
* Latest Windows cpmtools included in the .zip, along with batch files and 
  linux script to load User Areas 8 & 9

===== Change Log ======
v0.30 - 28 May 2018
* Includes both banked and non-banked images with improved CF card
  compatibility and respects the IOBYTE switches on the board.  Also, I/O
  devices can be re-mapped on the fly using the CP/M 3 'DEVICE' command.

v0.20
* Nonbanked version with updated IDE routines to improve CF card compatibility
  and respect IOBYTE switches on board. Was not completed as a formal release.

v0.12RC1  
* Initial attempt at respecting IOBYTE switches.  Was not completed as a
  formal release.

v0.11 - 12 March 2016
* Updated console I/O routines to send any character to the DLP USB device.  
  (This fixes VT100 and simialar consoles.)
* GENCPMed the CP/M bios without directory hash tables.  (Frees up 5K of TPA.)
* Set CPM3.SYS to Read Only/System
* Set other CP/M 3 utilitis to System on user area 0:
* Updated contents of users areas
     * Added Games, Turbo Pascal 3.0, and Development Utilities
     * Available User Areas for additional user files are now 8 & 9

v0.10 - 02 February 2016
* Initial Release
