[NTVDM]: We know that .h files are header files ;)

[reactos.git] / subsystems / ntvdm / emulator.h

diff --git a/subsystems/ntvdm/emulator.h b/subsystems/ntvdm/emulator.h
index 8a24d3a..7627d6e 100644 (file)
--- a/subsystems/ntvdm/emulator.h
+++ b/subsystems/ntvdm/emulator.h
@@ -2,7 +2,7 @@
  * COPYRIGHT:       GPL - See COPYING in the top level directory
  * PROJECT:         ReactOS Virtual DOS Machine
  * FILE:            emulator.h
- * PURPOSE:         Minimal x86 machine emulator for the VDM (header file)
+ * PURPOSE:         Minimal x86 machine emulator for the VDM
  * PROGRAMMERS:     Aleksandar Andrejevic <theflash AT sdf DOT lonestar DOT org>
  */
 
@@ -12,11 +12,11 @@
 /* INCLUDES *******************************************************************/
 
 #include "ntvdm.h"
-#include <softx86/softx86.h>
-#include <softx86/softx87.h>
+#include <fast486.h>
 
 /* DEFINES ********************************************************************/
 
+/* FLAGS */
 #define EMULATOR_FLAG_CF (1 << 0)
 #define EMULATOR_FLAG_PF (1 << 2)
 #define EMULATOR_FLAG_AF (1 << 4)
@@ -33,7 +33,12 @@
 #define EMULATOR_FLAG_VIF (1 << 19)
 #define EMULATOR_FLAG_VIP (1 << 20)
 #define EMULATOR_FLAG_ID (1 << 21)
-#define SPECIAL_INT_NUM 0xFF
+
+#define STACK_COUNTER   0
+#define STACK_INT_NUM   1
+#define STACK_IP        2
+#define STACK_CS        3
+#define STACK_FLAGS     4
 
 enum
 {
@@ -44,42 +49,49 @@ enum
     EMULATOR_EXCEPTION_OVERFLOW,
     EMULATOR_EXCEPTION_BOUND,
     EMULATOR_EXCEPTION_INVALID_OPCODE,
-    EMULATOR_EXCEPTION_NO_FPU
+    EMULATOR_EXCEPTION_NO_FPU,
+    EMULATOR_EXCEPTION_DOUBLE_FAULT,
+    EMULATOR_EXCEPTION_FPU_SEGMENT,
+    EMULATOR_EXCEPTION_INVALID_TSS,
+    EMULATOR_EXCEPTION_NO_SEGMENT,
+    EMULATOR_EXCEPTION_STACK_SEGMENT,
+    EMULATOR_EXCEPTION_GPF,
+    EMULATOR_EXCEPTION_PAGE_FAULT
 };
 
-enum
-{
-    EMULATOR_REG_AX,
-    EMULATOR_REG_CX,
-    EMULATOR_REG_DX,
-    EMULATOR_REG_BX,
-    EMULATOR_REG_SP,
-    EMULATOR_REG_BP,
-    EMULATOR_REG_SI,
-    EMULATOR_REG_DI,
-    EMULATOR_REG_ES,
-    EMULATOR_REG_CS,
-    EMULATOR_REG_SS,
-    EMULATOR_REG_DS,
-};
+extern FAST486_STATE EmulatorContext;
 
 /* FUNCTIONS ******************************************************************/
 
-BOOLEAN EmulatorInitialize();
-VOID EmulatorSetStack(WORD Segment, WORD Offset);
+VOID WINAPI EmulatorReadMemory
+(
+    PFAST486_STATE State,
+    ULONG Address,
+    PVOID Buffer,
+    ULONG Size
+);
+
+VOID WINAPI EmulatorWriteMemory
+(
+    PFAST486_STATE State,
+    ULONG Address,
+    PVOID Buffer,
+    ULONG Size
+);
+
+UCHAR WINAPI EmulatorIntAcknowledge
+(
+    PFAST486_STATE State
+);
+
+BOOLEAN EmulatorInitialize(VOID);
 VOID EmulatorExecute(WORD Segment, WORD Offset);
 VOID EmulatorInterrupt(BYTE Number);
-VOID EmulatorExternalInterrupt(BYTE Number);
-ULONG EmulatorGetRegister(ULONG Register);
-VOID EmulatorSetRegister(ULONG Register, ULONG Value);
-BOOLEAN EmulatorGetFlag(ULONG Flag);
-VOID EmulatorSetFlag(ULONG Flag);
-VOID EmulatorClearFlag(ULONG Flag);
-VOID EmulatorStep();
-VOID EmulatorCleanup();
+VOID EmulatorInterruptSignal(VOID);
+VOID EmulatorStep(VOID);
+VOID EmulatorCleanup(VOID);
 VOID EmulatorSetA20(BOOLEAN Enabled);
 
-#endif
+#endif // _EMULATOR_H_
 
 /* EOF */
-