[NTVDM]: Implement PC reset handling in the BIOS. Used by some apps for switching...
[reactos.git] / reactos / subsystems / mvdm / ntvdm / bios / bios.h
index d23fe19..f194643 100644 (file)
@@ -74,7 +74,13 @@ typedef struct
     WORD CrtBasePort;                           // 0x63
     BYTE CrtModeControl;                        // 0x65
     BYTE CrtColorPaletteMask;                   // 0x66
-    BYTE CassetteData[5];                       // 0x67
+
+    union                                       // 0x67
+    {
+        BYTE  CassetteData[5];  // Cassette tape control (unused)
+        DWORD ResumeEntryPoint; // CS:IP for 286 return from Protected Mode
+    };
+
     DWORD TickCounter;                          // 0x6c
     BYTE MidnightPassed;                        // 0x70
     BYTE BreakFlag;                             // 0x71