diff --git a/BlackLog b/BlackLog
new file mode 100644
index 0000000000000000000000000000000000000000..03f90eb46cfcdabaab31604267131f8ff44ec284
--- /dev/null
+++ b/BlackLog
@@ -0,0 +1,221 @@
+***************************************************************************
+*                                                                         *
+*  Project: RiscOS                                                        *
+*                                                                         *
+*  Module:  Modes                                                         *
+*                                                                         *
+*  Created: Thu 08-Jul-93      By: Steve Cormie                           *
+*                                                                         *
+*  First version: 0.12                                                    *
+*                                                                         *
+*    Copyright:    (C) 1993, Acorn Computers Ltd., Cambridge, England.    *
+*                                                                         *
+***************************************************************************
+
+Purpose:
+========
+
+The Display Manager controls aspects of the screen display.
+
+
+***************************************************************************
+
+
+Change Log:
+===========
+
+
+---------------------------------------------------------------------------
+
+Version: 0.12 Thu 08-Jul-93        Steve Cormie                  
+
+ 08-Jul-93     0.12    SMC     First non-development version under source control.
+
+---------------------------------------------------------------------------
+
+Version: 0.13 Mon 12-Jul-93        Steve Cormie                  
+
+ 12-Jul-93     0.13    SMC     Grey out colour menu items which are not possible at all.
+
+---------------------------------------------------------------------------
+
+Version: 0.14 Tue 13-Jul-93        Steve Cormie                  
+
+ 13-Jul-93     0.14    SMC     Modes specified by number should give "Unknown" frame rate.
+
+---------------------------------------------------------------------------
+
+Version: 0.15 Tue 13-Jul-93        Steve Cormie                  
+
+ 13-Jul-93     0.15    SMC     Do the best we can on click on OK (even if frame rate unknown).
+
+---------------------------------------------------------------------------
+
+Version: 0.16 Fri 16-Jul-93        Steve Cormie                  
+
+* Sorted out build structure.
+
+---------------------------------------------------------------------------
+
+Version: 0.17 Fri 03-Sep-93        Steve Cormie                  
+
+* Syntax error from *WimpMode now converted to a sensible error.
+* Return error if non-text file is dragged to our icon/window.
+* Issue Message_PaletteChange like Palette util used to (keep world happy).
+
+---------------------------------------------------------------------------
+
+Version: 0.18 Thu 09-Sep-93        Steve Cormie                  
+
+* Changed name to Display Manager.
+* Don't issue Message_PaletteChange after all, it's not necessary.
+* Template changes and button action changes for style guide compliance.
+* Frame rate widgets moved off visible area of mode change dialogue
+    (thought to be too technical for ordinary users).
+* Internationalised *Desktop_DisplayManager help and syntax.
+
+---------------------------------------------------------------------------
+
+Version: 0.19 Fri 08-Oct-93        Steve Cormie                  
+
+* Currently selected menu items now ticked.
+* No longer uses modes with no mode name.
+
+---------------------------------------------------------------------------
+
+Version: 0.20 Fri 12-Nov-93        Steve Cormie                  
+
+* Removed ptr_menu from template validation strings.
+* If resolution unknown on colour selection then start with highest.
+* Made pop-up menus style guide compliant.
+* Broadcast Message_PaletteChange again.
+
+---------------------------------------------------------------------------
+
+Version: 0.21 Fri 10-Dec-93        Steve Cormie                  
+
+* Now uses K instead of T in mode selection strings.
+* Fix register corruption in pollword non-zero handler.
+* Change name of sprite from "screen" to "display".
+* Don't close window if changing mode gives an error.
+* Display monitor name in window title bar.
+
+---------------------------------------------------------------------------
+
+Version: 0.22 Tue 14-Dec-93        Steve Cormie                  
+
+* Position window base at top of icon bar.
+
+---------------------------------------------------------------------------
+
+Version: 0.23 Mon 10-Jan-94        Alan Glover                   
+
+* Move Help and Syntax messages for Desktop_DisplayManager to global file
+
+---------------------------------------------------------------------------
+
+Version: 0.24 Fri 21-Jan-94        Steve Cormie                  
+
+* Adjust on Mode window OK box now leaves menu and dialogue open.
+* Allow modes not in resolution menu to be changed to.
+* Rationalised stepping down and up through mode list.
+* Added compile option to split the resolution menu into sections
+   based on pixel shape.
+* Fixed module header because help/syntax moved to Global.
+* Open menus are updated on mode/palette change (get ticks right).
+
+---------------------------------------------------------------------------
+
+Version: 0.25 Fri 21-Jan-94        Steve Cormie                  
+
+* Stopped icon bar menu being redisplayed after mode change.
+
+---------------------------------------------------------------------------
+
+Version: 0.26 Fri 04-Feb-94        Steve Cormie                  
+
+* Invalidate ColourTrans cache and force redraw whole screen if palette
+  has changed on Service_WimpPalette/Service_CalibrationChanged.
+
+---------------------------------------------------------------------------
+
+Version: 0.27 Thu 17-Feb-94        Steve Cormie                  
+
+* Leave items in colour menu shaded if not supported by any modes
+  in resolution menu.
+* If colours changed in resolution which is not on resolution menu then
+  allow non-menu modes in stepping down.
+
+---------------------------------------------------------------------------
+
+Version: 0.28 Fri 18-Feb-94        Steve Cormie                  
+
+* Small mod to building colours menu.
+***************************************************************************
+                      MEDUSA - RISC OS 3.50 build
+***************************************************************************
+*                                                                         *
+*  Project: Black                                                         *
+*                                                                         *
+*  Module:  Modes                                                         *
+*                                                                         *
+*  Created: Wed 15-Jul-94      By: Aideen McConville                      *
+*                                                                         *
+*  First version: 0.28                                                    *
+*                                                                         *
+*    Copyright:    (C) 1994, Acorn Computers Ltd., Cambridge, England.    *
+*                                                                         *
+***************************************************************************
+
+Purpose:
+========
+
+
+
+***************************************************************************
+
+
+Change Log:
+===========
+
+
+---------------------------------------------------------------------------
+
+Version: 0.28 Wed 15-Jul-94        Aideen McConville             
+
+Moved to new source tree.
+
+---------------------------------------------------------------------------
+
+Version: 0.29 Wed 03-Aug-94        Steve Cormie                  
+
+* Fixed MED-03376: menu building broken if last (or only) mode was unnamed.
+
+---------------------------------------------------------------------------
+
+Version: 0.30 Tue 30-Aug-94        Aideen McConville             
+
+* s.Module
+  s.ResFiles
+  - Resource path changed from ..Resources.Modes
+                            to ..Resources.Display
+
+---------------------------------------------------------------------------
+
+Version: 0.31 Fri 28-Oct-94        Steve Cormie                  
+
+* Added directed comments to Messages file for message tokenisation.
+* Moved command help/syntax from Global.Messages to Messages file.
+
+---------------------------------------------------------------------------
+
+Version: 0.32 Wed 21-Dec-94        Steve Cormie                  
+
+* Fixed MED-04161: Look up version in Messages file rather than using module
+  version string.
+
+---------------------------------------------------------------------------
+
+Version: 0.33 Wed 11-Jan-95        Steve Cormie                  
+
+* Fixed MED-04297: Reworded invalid mode error message.