Add VGA3 Support

Tools/ReadMe.txt

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+***********************************************************************
+***                                                                 ***
+***                          R o m W B W                            ***
+***                                                                 ***
+***                    Z80/Z180 System Software                     ***
+***                                                                 ***
+***********************************************************************
+
+This directory ("Tools") is part of the RomWBW System Software 
+distribution archive.  It is the root directory for a series of 
+programs that are used during the RomWBW build process.  These 
+tools are included here as a convenience and their individual 
+licenses are unaltered by their inclusion here.
+
+ansicon:
+
+ANSICON provides ANSI escape sequences for Windows console 
+programs.  It provides much the same functionality as 'ANSI.SYS' 
+does for MS-DOS.
+
+bst:
+
+The bst tool set is a multi-platform set of tools for developing 
+with the Parallax Propeller microcontroller. bst stands for 
+“Brad's Spin Tool”, however it is never capitalised.  This toolset 
+is used to compile the Propeller firmware for PropIO and 
+ParPortProp.
+
+cpm:
+
+This is the root of a directory tree containing CP/M-80 programs. 
+These programs are used (via the Windows CP/M command line 
+emulator 'zx') to build certain components of RomWBW.  The use of 
+real CP/M-80 programs as part of the build process ensures proper 
+construction of these components.
+
+cpmtools:
+
+This is a package of tools that allow a CP/M file system image to 
+be created and managed from a Windows command line.  These tools 
+are used to construct CP/M file system images included with the 
+RomWBW distribution including the ROM disk image, floppy images, 
+and hard disk images.
+
+hex2bin:
+
+A pair of programs by John Coffman to translate between Intel hex 
+file format and pure binary images.
+
+rawwritewin:
+
+Program which can be used to write a floppy disk image to an 
+actual floppy disk.
+
+simh:
+
+A Z80 simulator for Windows.  This simulator allows RomWBW ROM 
+images to be tested on Windows, if desired.
+
+tasm32:
+
+A cross-compiler that runs on Windows and assembles standard 
+Z80-based source files.  This tool is the primary assembler for 
+the RomWBW HBIOS.
+
+Win32 Disk Imager:
+
+Program which can read or write hard disk images directly to or 
+from CF Cards or SD Cards.
+
+zx:
+
+A port of zxcc for Windows.  This program is a command line 
+CP/M-80 emulator.  It allows many CP/M-80 programs to run directly 
+from a Windows command prompt.  This tool is used to run the CP/M 
+programs in the cpm directory listed above.