4c221b0da1816acf2ca302b10092df059484468dvboxsync/****************************************************************************
4c221b0da1816acf2ca302b10092df059484468dvboxsync*
4c221b0da1816acf2ca302b10092df059484468dvboxsync* Realmode X86 Emulator Library
4c221b0da1816acf2ca302b10092df059484468dvboxsync*
4c221b0da1816acf2ca302b10092df059484468dvboxsync* Copyright (C) 1996-1999 SciTech Software, Inc.
4c221b0da1816acf2ca302b10092df059484468dvboxsync* Copyright (C) David Mosberger-Tang
4c221b0da1816acf2ca302b10092df059484468dvboxsync* Copyright (C) 1999 Egbert Eich
4c221b0da1816acf2ca302b10092df059484468dvboxsync*
4c221b0da1816acf2ca302b10092df059484468dvboxsync* ========================================================================
4c221b0da1816acf2ca302b10092df059484468dvboxsync*
4c221b0da1816acf2ca302b10092df059484468dvboxsync* Permission to use, copy, modify, distribute, and sell this software and
4c221b0da1816acf2ca302b10092df059484468dvboxsync* its documentation for any purpose is hereby granted without fee,
4c221b0da1816acf2ca302b10092df059484468dvboxsync* provided that the above copyright notice appear in all copies and that
4c221b0da1816acf2ca302b10092df059484468dvboxsync* both that copyright notice and this permission notice appear in
4c221b0da1816acf2ca302b10092df059484468dvboxsync* supporting documentation, and that the name of the authors not be used
4c221b0da1816acf2ca302b10092df059484468dvboxsync* in advertising or publicity pertaining to distribution of the software
4c221b0da1816acf2ca302b10092df059484468dvboxsync* without specific, written prior permission. The authors makes no
4c221b0da1816acf2ca302b10092df059484468dvboxsync* representations about the suitability of this software for any purpose.
4c221b0da1816acf2ca302b10092df059484468dvboxsync* It is provided "as is" without express or implied warranty.
4c221b0da1816acf2ca302b10092df059484468dvboxsync*
4c221b0da1816acf2ca302b10092df059484468dvboxsync* THE AUTHORS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
4c221b0da1816acf2ca302b10092df059484468dvboxsync* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
4c221b0da1816acf2ca302b10092df059484468dvboxsync* EVENT SHALL THE AUTHORS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
4c221b0da1816acf2ca302b10092df059484468dvboxsync* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF
4c221b0da1816acf2ca302b10092df059484468dvboxsync* USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
4c221b0da1816acf2ca302b10092df059484468dvboxsync* OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
4c221b0da1816acf2ca302b10092df059484468dvboxsync* PERFORMANCE OF THIS SOFTWARE.
4c221b0da1816acf2ca302b10092df059484468dvboxsync*
4c221b0da1816acf2ca302b10092df059484468dvboxsync* ========================================================================
4c221b0da1816acf2ca302b10092df059484468dvboxsync*
4c221b0da1816acf2ca302b10092df059484468dvboxsync* Language: ANSI C
4c221b0da1816acf2ca302b10092df059484468dvboxsync* Environment: Any
4c221b0da1816acf2ca302b10092df059484468dvboxsync* Developer: Kendall Bennett
4c221b0da1816acf2ca302b10092df059484468dvboxsync*
4c221b0da1816acf2ca302b10092df059484468dvboxsync* Description: Header file for instruction decoding logic.
4c221b0da1816acf2ca302b10092df059484468dvboxsync*
4c221b0da1816acf2ca302b10092df059484468dvboxsync****************************************************************************/
4c221b0da1816acf2ca302b10092df059484468dvboxsync
4c221b0da1816acf2ca302b10092df059484468dvboxsync#ifndef __X86EMU_DECODE_H
4c221b0da1816acf2ca302b10092df059484468dvboxsync#define __X86EMU_DECODE_H
4c221b0da1816acf2ca302b10092df059484468dvboxsync
4c221b0da1816acf2ca302b10092df059484468dvboxsync/*---------------------- Macros and type definitions ----------------------*/
4c221b0da1816acf2ca302b10092df059484468dvboxsync
4c221b0da1816acf2ca302b10092df059484468dvboxsync/* Instruction Decoding Stuff */
4c221b0da1816acf2ca302b10092df059484468dvboxsync
4c221b0da1816acf2ca302b10092df059484468dvboxsync#define FETCH_DECODE_MODRM(mod,rh,rl) fetch_decode_modrm(&mod,&rh,&rl)
4c221b0da1816acf2ca302b10092df059484468dvboxsync#define DECODE_RM_BYTE_REGISTER(r) decode_rm_byte_register(r)
4c221b0da1816acf2ca302b10092df059484468dvboxsync#define DECODE_RM_WORD_REGISTER(r) decode_rm_word_register(r)
4c221b0da1816acf2ca302b10092df059484468dvboxsync#define DECODE_RM_LONG_REGISTER(r) decode_rm_long_register(r)
4c221b0da1816acf2ca302b10092df059484468dvboxsync#define DECODE_CLEAR_SEGOVR() M.x86.mode &= ~SYSMODE_CLRMASK
4c221b0da1816acf2ca302b10092df059484468dvboxsync
4c221b0da1816acf2ca302b10092df059484468dvboxsync/*-------------------------- Function Prototypes --------------------------*/
4c221b0da1816acf2ca302b10092df059484468dvboxsync
4c221b0da1816acf2ca302b10092df059484468dvboxsync#ifdef __cplusplus
4c221b0da1816acf2ca302b10092df059484468dvboxsyncextern "C" { /* Use "C" linkage when in C++ mode */
4c221b0da1816acf2ca302b10092df059484468dvboxsync#endif
4c221b0da1816acf2ca302b10092df059484468dvboxsync
4c221b0da1816acf2ca302b10092df059484468dvboxsyncvoid x86emu_intr_raise (u8 type);
4c221b0da1816acf2ca302b10092df059484468dvboxsyncvoid fetch_decode_modrm (int *mod,int *regh,int *regl);
4c221b0da1816acf2ca302b10092df059484468dvboxsyncu8 fetch_byte_imm (void);
4c221b0da1816acf2ca302b10092df059484468dvboxsyncu16 fetch_word_imm (void);
4c221b0da1816acf2ca302b10092df059484468dvboxsyncu32 fetch_long_imm (void);
4c221b0da1816acf2ca302b10092df059484468dvboxsyncu8 fetch_data_byte (uint offset);
4c221b0da1816acf2ca302b10092df059484468dvboxsyncu8 fetch_data_byte_abs (uint segment, uint offset);
4c221b0da1816acf2ca302b10092df059484468dvboxsyncu16 fetch_data_word (uint offset);
4c221b0da1816acf2ca302b10092df059484468dvboxsyncu16 fetch_data_word_abs (uint segment, uint offset);
4c221b0da1816acf2ca302b10092df059484468dvboxsyncu32 fetch_data_long (uint offset);
4c221b0da1816acf2ca302b10092df059484468dvboxsyncu32 fetch_data_long_abs (uint segment, uint offset);
4c221b0da1816acf2ca302b10092df059484468dvboxsyncvoid store_data_byte (uint offset, u8 val);
4c221b0da1816acf2ca302b10092df059484468dvboxsyncvoid store_data_byte_abs (uint segment, uint offset, u8 val);
4c221b0da1816acf2ca302b10092df059484468dvboxsyncvoid store_data_word (uint offset, u16 val);
4c221b0da1816acf2ca302b10092df059484468dvboxsyncvoid store_data_word_abs (uint segment, uint offset, u16 val);
4c221b0da1816acf2ca302b10092df059484468dvboxsyncvoid store_data_long (uint offset, u32 val);
4c221b0da1816acf2ca302b10092df059484468dvboxsyncvoid store_data_long_abs (uint segment, uint offset, u32 val);
4c221b0da1816acf2ca302b10092df059484468dvboxsyncu8* decode_rm_byte_register(int reg);
4c221b0da1816acf2ca302b10092df059484468dvboxsyncu16* decode_rm_word_register(int reg);
4c221b0da1816acf2ca302b10092df059484468dvboxsyncu32* decode_rm_long_register(int reg);
4c221b0da1816acf2ca302b10092df059484468dvboxsyncu16* decode_rm_seg_register(int reg);
4c221b0da1816acf2ca302b10092df059484468dvboxsyncu32 decode_rm00_address(int rm);
4c221b0da1816acf2ca302b10092df059484468dvboxsyncu32 decode_rm01_address(int rm);
4c221b0da1816acf2ca302b10092df059484468dvboxsyncu32 decode_rm10_address(int rm);
4c221b0da1816acf2ca302b10092df059484468dvboxsyncu32 decode_sib_address(int sib, int mod);
4c221b0da1816acf2ca302b10092df059484468dvboxsync
4c221b0da1816acf2ca302b10092df059484468dvboxsync#ifdef __cplusplus
4c221b0da1816acf2ca302b10092df059484468dvboxsync} /* End of "C" linkage for C++ */
4c221b0da1816acf2ca302b10092df059484468dvboxsync#endif
4c221b0da1816acf2ca302b10092df059484468dvboxsync
4c221b0da1816acf2ca302b10092df059484468dvboxsync#endif /* __X86EMU_DECODE_H */