Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Keyboard Layout]
"Scancode Map"=hex:

00,00,00,00,  Header: Version. Set to all zeroes.
00,00,00,00,  Header: Flags. Set to all zeroes.
04,00,00,00,  N entries in the map (null entry at end should be counted), in little-endian format
1D,00,3A,00,  Caps Lock will behave like Left CTRL
29,00,01,00,  ESC will behave like ~`
01,00,29,00,  ~` will behave like ESC
00,00,00,00   Null terminator.