/* * Copyright (C) 2002 The DOSBox Team * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Library General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #if !defined __REGS_H #define __REGS_H #include struct Flag_Info { union { Bit8u b; Bit8u bs; Bit16u w; Bit16s ws; Bit32u d; Bit32s ds; } var1,var2,result; Bitu type; Bitu prev_type; bool cf,sf,pf,af,zf,of,df,tf,intf; bool nt; Bit8u io; bool oldcf; }; struct Segment { Bit16u value; bool special; /* Signal for pointing to special memory */ HostOff host; /* The address of start in host memory */ PhysOff phys; /* The phyiscal address start in emulated machine */ }; enum { cs=0,ds,es,fs,gs,ss}; extern Segment Segs[6]; extern Flag_Info flags; //extern Regs regs; void SetSegment_16(Bit32u seg,Bit16u val); struct CPU_Regs { union { Bit32u d; Bit16u w; struct { Bit8u l,h; }b; } ax,bx,cx,dx,si,di,sp,bp,ip; }; extern CPU_Regs cpu_regs; #define reg_al cpu_regs.ax.b.l //extern Bit8u & reg_al=cpu_regs.ax.b.l; #define reg_ah cpu_regs.ax.b.h #define reg_ax cpu_regs.ax.w #define reg_eax cpu_regs.ax.d #define reg_bl cpu_regs.bx.b.l #define reg_bh cpu_regs.bx.b.h #define reg_bx cpu_regs.bx.w #define reg_ebx cpu_regs.bx.d #define reg_cl cpu_regs.cx.b.l #define reg_ch cpu_regs.cx.b.h #define reg_cx cpu_regs.cx.w #define reg_ecx cpu_regs.cx.d #define reg_dl cpu_regs.dx.b.l #define reg_dh cpu_regs.dx.b.h #define reg_dx cpu_regs.dx.w #define reg_edx cpu_regs.dx.d #define reg_si cpu_regs.si.w #define reg_esi cpu_regs.si.d #define reg_di cpu_regs.di.w #define reg_edi cpu_regs.di.d #define reg_sp cpu_regs.sp.w #define reg_esp cpu_regs.sp.d #define reg_bp cpu_regs.bp.w #define reg_ebp cpu_regs.bp.d #define reg_ip cpu_regs.ip.w #define reg_eip cpu_regs.ip.d #endif