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122 lines
3.6 KiB
122 lines
3.6 KiB
/* SIM v1.0
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*
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* SIM32.H
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* SIM32 constants and prototypes
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*
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* History
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* Created 05-Feb-91 by Chandan Chauhan and Jeff Parsons
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*/
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/* Public function prototypes
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*
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* These functions are true pascal functions in the 16-bit case,
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* but conform to the default convention (cdecl) for the 32-bit case.
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*/
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#ifndef FAR
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#define FAR
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#endif
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#ifndef PASCAL
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#define PASCAL
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#endif
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USHORT FAR PASCAL Sim32SendSim16(PULONG);
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USHORT FAR PASCAL Sim32GetVDMMemory(ULONG, USHORT, PVOID);
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USHORT FAR PASCAL Sim32SetVDMMemory(ULONG, USHORT, PVOID);
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PSZ FAR PASCAL Sim32GetVDMPSZPointer(ULONG);
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VOID FAR PASCAL Sim32FreeVDMPointer(PVOID);
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/* Private function prototypes
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*/
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VOID Initialize();
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USHORT Xceive(IN USHORT, IN USHORT);
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/* Simulator replacement macros
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*/
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#define SENDVDM(pvp) WOW32Receive()
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#define RECEIVEVDM(pvp) Sim32SendSim16(pvp)
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#ifdef ALLOCA
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#define GETPTR(vp,cb,p) ((p=alloca(cb))?Sim32GetVDMMemory(vp, (USHORT)(cb), p):FALSE)
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#define GETARGPTR(vp,cb,p) if (p=alloca(cb)) { Sim32GetVDMMemory(vp+OFFSETOF(VDMFRAME,bArgs), (USHORT)(cb), p)
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#ifdef WIN_16
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#define EQNULL
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#define GETPSZPTR(vp,pcb,p) if (vp) if (p=alloca(*pcb=128)) Sim32GetVDMMemory(vp, (USHORT)*pcb, p); else goto Error
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#define FREEPSZPTR(p)
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#else
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#define EQNULL = NULL
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#define GETPSZPTR(vp,pcb,p) if (vp) if (!(p=Sim32GetVDMPSZPointer(vp))) goto Error
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#define FREEPSZPTR(p) if (p) Sim32FreeVDMPointer(p)
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#endif
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#define FLUSHPTR(vp,cb,p) Sim32SetVDMMemory(vp, (USHORT)(cb), p)
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#define FREEPTR(p)
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#define FREEARGPTR(p) ;}
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#else
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#define EQNULL = NULL
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#define GETPTR(vp,cb,p) ((p=malloc(cb))?Sim32GetVDMMemory(vp, (USHORT)(cb), p):FALSE)
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#define GETARGPTR(vp,cb,p) if (p=malloc(cb)) { Sim32GetVDMMemory(vp+OFFSETOF(VDMFRAME,bArgs), (USHORT)(cb), p)
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#ifdef WIN_16
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#define GETPSZPTR(vp,pcb,p) if (vp) if (p=malloc(*pcb=128)) Sim32GetVDMMemory(vp, (USHORT)*pcb, p); else goto Error
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#define FREEPSZPTR(p) if (p) free(p)
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#else
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#define GETPSZPTR(vp,pcb,p) if (vp) if (!(p=Sim32GetVDMPSZPointer(vp))) goto Error
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#define FREEPSZPTR(p) if (p) Sim32FreeVDMPointer(p)
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#endif
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#define FLUSHPTR(vp,cb,p) Sim32SetVDMMemory(vp, (USHORT)(cb), p)
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#ifndef DEBUG
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#define FREEPTR(p) free(p)
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#define FREEARGPTR(p) free(p);}
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#else
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#define FREEPTR(p) free(p); p=NULL
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#define FREEARGPTR(p) free(p); p=NULL;}
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#endif
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#endif
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#define GETOPTPTR(vp,cb,p) if (vp) if (p=malloc(cb)) Sim32GetVDMMemory(vp, (USHORT)(cb), p); else goto Error
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#define GETVDMPTR(vp,cb,p) if (p=malloc(cb)) Sim32GetVDMMemory(vp, (USHORT)(cb), p); else goto Error
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#define ALLOCVDMPTR(vp,cb,p) if (!(p=malloc(cb))) goto Error
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#define FLUSHVDMPTR(vp,cb,p) Sim32SetVDMMemory(vp, (USHORT)(cb), p)
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#ifndef DEBUG
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#define FREEVDMPTR(p) if (p) free(p)
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#else
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#define FREEVDMPTR(p) if (p) {free(p); p=NULL;}
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#endif
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#define GETVDMMEMORY(vp,cb,p) Sim32GetVDMMemory(vp, (USHORT)(cb), p)
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#define SETVDMMEMORY(vp,cb,p) Sim32SetVDMMemory(vp, (USHORT)(cb), p)
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#ifdef SIM_32 // BUGBUG -- Use the macros in nt header files
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#undef FIRSTBYTE
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#undef SECONDBYTE
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#undef THIRDBYTE
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#undef FOURTHBYTE
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#endif
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#define FIRSTBYTE(VALUE) (VALUE & LO_MASK)
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#define SECONDBYTE(VALUE) ((VALUE >> 8) & LO_MASK)
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#define THIRDBYTE(VALUE) ((VALUE >> 16) & LO_MASK)
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#define FOURTHBYTE(VALUE) ((VALUE >> 24) & LO_MASK)
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#define LO_MASK 0x000000FF
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#define MAXSIZE 1024 // maximum buffer size
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#define MAXTRY 10 // for Transport
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/* Packet Codes
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*/
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#define SOH 1 // start of header ie Pkt
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#define EOT 4 // end of transmission
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#define ToWOW32 1
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#define GETMEM 2
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#define SETMEM 3
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#define WAKEUP 4
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#define RESP 5
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#define ACK 6
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#define NAK 7
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#define PSZLEN 8
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#define GOOD 1
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#define BAD 0
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#define BADSIZE 2
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