bop.h File Reference

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Macros
#define	EMULATOR_BOP   0xC4C4
#define	EMULATOR_MAX_BOP_NUM   0xFF + 1

Typedefs
typedef VOID(WINAPI *	EMULATOR_BOP_PROC) (LPWORD Stack)

Functions
VOID	RegisterBop (BYTE BopCode, EMULATOR_BOP_PROC BopHandler)
VOID FASTCALL	EmulatorBiosOperation (PFAST486_STATE State, UCHAR BopCode)

Macro Definition Documentation

EMULATOR_BOP

#define EMULATOR_BOP   0xC4C4

Definition at line 16 of file bop.h.

EMULATOR_MAX_BOP_NUM

#define EMULATOR_MAX_BOP_NUM   0xFF + 1

Definition at line 17 of file bop.h.

Typedef Documentation

EMULATOR_BOP_PROC

typedef VOID(WINAPI * EMULATOR_BOP_PROC) (LPWORD Stack)

Definition at line 21 of file bop.h.

Function Documentation

EmulatorBiosOperation()

VOID FASTCALL EmulatorBiosOperation	(	PFAST486_STATE	State,
		UCHAR	BopCode
	)

Definition at line 34 of file bop.c.

{
    WORD StackSegment, StackPointer;
    LPWORD Stack;
 
    /* Get the SS:SP */
    StackSegment = State->SegmentRegs[FAST486_REG_SS].Selector;
    StackPointer = State->GeneralRegs[FAST486_REG_ESP].LowWord;
 
    /* Get the stack */
    Stack = (LPWORD)SEG_OFF_TO_PTR(StackSegment, StackPointer);
 
    /* Call the BOP handler */
    if (BopProc[BopCode] != NULL)
        BopProc[BopCode](Stack);
    else
        DPRINT1("Invalid BOP code: 0x%02X\n", BopCode);
}

Referenced by CpuInitialize().

RegisterBop()

VOID RegisterBop	(	BYTE	BopCode,
		EMULATOR_BOP_PROC	BopHandler
	)

Definition at line 29 of file bop.c.

{
    BopProc[BopCode] = BopHandler;
}

Referenced by Bios32Initialize(), BiosInitialize(), CpuInitialize(), DosBootsectorInitialize(), DosInitialize(), DosStart(), EmulatorInitialize(), InitializeInt32(), KbdBiosCleanup(), KbdBiosInitialize(), VDDSupInitialize(), VidBios32Cleanup(), VidBios32Initialize(), XmsCleanup(), and XmsInitialize().