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9fd42c0f7d
Fix a typo. Use a macro (SOFT386_OPCODE_HANDLER) for function definitions of opcode handlers. Implement the rest of the ADD opcodes. svn path=/branches/ntvdm/; revision=59990
215 lines
3.2 KiB
C
215 lines
3.2 KiB
C
/*
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* COPYRIGHT: GPL - See COPYING in the top level directory
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* PROJECT: 386/486 CPU Emulation Library
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* FILE: common.h
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* PURPOSE: Common functions used internally by Soft386 (header file).
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* PROGRAMMERS: Aleksandar Andrejevic <theflash AT sdf DOT lonestar DOT org>
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*/
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#ifndef _COMMON_H_
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#define _COMMON_H_
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/* DEFINES ********************************************************************/
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#ifndef FASTCALL
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#define FASTCALL __fastcall
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#endif
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#define SIGN_FLAG_BYTE 0x80
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#define SIGN_FLAG_WORD 0x8000
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#define SIGN_FLAG_LONG 0x80000000
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#define GET_SEGMENT_RPL(s) ((s) & 3)
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#define GET_SEGMENT_INDEX(s) ((s) & 0xFFF8)
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typedef struct _SOFT386_MOD_REG_RM
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{
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INT Register;
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BOOLEAN Memory;
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union
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{
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INT SecondRegister;
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ULONG MemoryAddress;
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};
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} SOFT386_MOD_REG_RM, *PSOFT386_MOD_REG_RM;
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/* FUNCTIONS ******************************************************************/
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inline
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BOOLEAN
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Soft386ReadMemory
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(
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PSOFT386_STATE State,
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INT SegmentReg,
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ULONG Offset,
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BOOLEAN InstFetch,
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PVOID Buffer,
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ULONG Size
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);
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inline
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BOOLEAN
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Soft386WriteMemory
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(
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PSOFT386_STATE State,
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INT SegmentReg,
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ULONG Offset,
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PVOID Buffer,
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ULONG Size
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);
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inline
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BOOLEAN
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Soft386StackPush
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(
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PSOFT386_STATE State,
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ULONG Value
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);
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inline
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BOOLEAN
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Soft386StackPop
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(
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PSOFT386_STATE State,
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PULONG Value
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);
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inline
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BOOLEAN
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Soft386LoadSegment
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(
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PSOFT386_STATE State,
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INT Segment,
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USHORT Selector
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);
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inline
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BOOLEAN
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Soft386FetchByte
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(
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PSOFT386_STATE State,
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PUCHAR Data
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);
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inline
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BOOLEAN
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Soft386FetchWord
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(
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PSOFT386_STATE State,
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PUSHORT Data
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);
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inline
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BOOLEAN
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Soft386FetchDword
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(
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PSOFT386_STATE State,
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PULONG Data
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);
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inline
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BOOLEAN
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Soft386InterruptInternal
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(
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PSOFT386_STATE State,
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USHORT SegmentSelector,
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ULONG Offset,
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BOOLEAN InterruptGate
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);
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inline
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BOOLEAN
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Soft386GetIntVector
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(
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PSOFT386_STATE State,
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UCHAR Number,
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PSOFT386_IDT_ENTRY IdtEntry
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);
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VOID
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__fastcall
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Soft386Exception
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(
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PSOFT386_STATE State,
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INT ExceptionCode
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);
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inline
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BOOLEAN
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Soft386CalculateParity
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(
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UCHAR Number
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);
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inline
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BOOLEAN
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Soft386ParseModRegRm
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(
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PSOFT386_STATE State,
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BOOLEAN AddressSize,
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PSOFT386_MOD_REG_RM ModRegRm
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);
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inline
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BOOLEAN
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Soft386ReadModrmByteOperands
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(
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PSOFT386_STATE State,
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PSOFT386_MOD_REG_RM ModRegRm,
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PUCHAR RegValue,
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PUCHAR RmValue
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);
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inline
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BOOLEAN
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Soft386ReadModrmWordOperands
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(
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PSOFT386_STATE State,
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PSOFT386_MOD_REG_RM ModRegRm,
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PUSHORT RegValue,
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PUSHORT RmValue
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);
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inline
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BOOLEAN
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Soft386ReadModrmDwordOperands
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(
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PSOFT386_STATE State,
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PSOFT386_MOD_REG_RM ModRegRm,
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PULONG RegValue,
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PULONG RmValue
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);
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inline
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BOOLEAN
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Soft386WriteModrmByteOperands
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(
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PSOFT386_STATE State,
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PSOFT386_MOD_REG_RM ModRegRm,
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BOOLEAN WriteRegister,
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UCHAR Value
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);
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inline
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BOOLEAN
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Soft386WriteModrmWordOperands
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(
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PSOFT386_STATE State,
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PSOFT386_MOD_REG_RM ModRegRm,
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BOOLEAN WriteRegister,
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USHORT Value
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);
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inline
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BOOLEAN
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Soft386WriteModrmDwordOperands
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(
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PSOFT386_STATE State,
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PSOFT386_MOD_REG_RM ModRegRm,
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BOOLEAN WriteRegister,
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ULONG Value
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);
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#endif // _COMMON_H_
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/* EOF */
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