Added "Stack" shortcut in debugger.

git-svn-id: svn://svn.smspower.org/meka@498 e3d1ee71-de1f-0410-997d-c91044e7a769
Documentation bits

git-svn-id: svn://svn.smspower.org/meka@499 e3d1ee71-de1f-0410-997d-c91044e7a769
Debugger: fixed disassembly/backtracking bug with IX/IY instructions using offset + constant.

git-svn-id: svn://svn.smspower.org/meka@500 e3d1ee71-de1f-0410-997d-c91044e7a769
Debugger: STACK command more generous with evaluating symbols.

git-svn-id: svn://svn.smspower.org/meka@501 e3d1ee71-de1f-0410-997d-c91044e7a769
Debugger: fixed visual glitch on most-right side of disassembly.

git-svn-id: svn://svn.smspower.org/meka@502 e3d1ee71-de1f-0410-997d-c91044e7a769
Inputs: Fixed dead keys when switching focus in/out of the application (namely with ALT+TAB).

git-svn-id: svn://svn.smspower.org/meka@503 e3d1ee71-de1f-0410-997d-c91044e7a769
Debugger: Added "Step Frame" item in Debug Menu.

git-svn-id: svn://svn.smspower.org/meka@504 e3d1ee71-de1f-0410-997d-c91044e7a769
Debugger: Added CTRL+F7 Load State & Continue for debug session.

git-svn-id: svn://svn.smspower.org/meka@505 e3d1ee71-de1f-0410-997d-c91044e7a769
Inputs: cleaned up inputs inconsistencies, ALT+F9 --> CTRL+F9, ALT+F11 --> CTRL+F11

git-svn-id: svn://svn.smspower.org/meka@506 e3d1ee71-de1f-0410-997d-c91044e7a769