Added the "New Floppy Image" functionality with its own dialog box, can create 86F, Japanese FDI, and IMG images;

The settings dialog now keeps track of MFM/XTIDE/ESDI/IDE channels and SCSI ID's and LUN's;
The IBM PS/2 Model 50 now installs a Model 80-style memory expansion card (MCA ID FCFF) when more than 2 MB RAM is selected, and now supports a maximum of 10 MB RAM.

src/win/win.h

@@ -46,6 +46,9 @@
 #define WM_RESETD3D		WM_USER
 #define WM_LEAVEFULLSCREEN	WM_USER+1
 #define WM_SAVESETTINGS		0x8888
+#define WM_SHOWSETTINGS		0x8889
+#define WM_PAUSE		0x8890
+#define WM_SENDHWND		0x8891
 
 
 extern HINSTANCE	hinstance;
@@ -114,6 +117,10 @@ extern void	AboutDialogCreate(HWND hwnd);
 extern void	SoundGainDialogCreate(HWND hwnd);
 
 
+/* Functions in win_new_floppy.c: */
+extern void	NewFloppyDialogCreate(HWND hwnd, int id, int part);
+
+
 /* Functions in win_status.c: */
 extern HWND	hwndStatus;
 extern void	StatusWindowCreate(HWND hwnd);