rdump.c

Due to an increase in demand for and questions about direct disk access for Micrososft platforms, a

/*
 * win32\rdump.c    display 80x06 registers
 *
 * This file is part of the BETA version of DISKLIB
 * Copyright (C) 1998, Gregg Jennings
 *
 * See README.TXT for information about re-distribution.
 * See DISKLIB.TXT for information about usage.
 *
 */

#include <stdio.h>
#include "win32.h"

#define O_MASK 0x0800
#define D_MASK 0x0400
#define I_MASK 0x0200
#define S_MASK 0x0080
#define Z_MASK 0x0040
#define A_MASK 0x0010
#define P_MASK 0x0004
#define C_MASK 0x0001

/*
 * reg_dump     display 80x86 registers
 *
 */

extern void reg_dump(DIOC_REGISTERS *regs)
{
int f;
char *over[]={"NV","OV"};
char *dire[]={"UP","DN"};
char *inte[]={"DI","EI"};
char *sign[]={"PL","NG"};
char *zero[]={"NZ","ZR"};
char *auxi[]={"NA","AC"};
char *pari[]={"PO","PE"};
char *carr[]={"NC","CY"};


    fprintf(stdout,"\n");
    fprintf(stdout,"EAX=%08X  EBX=%08X  ECX=%08X  EDX=%08X  ",
            regs->d.eax,regs->d.ebx,regs->d.ecx,regs->d.edx);
    fprintf(stdout,"\nESI=%08X  EDI=%08X  ",
            regs->d.esi,regs->d.edi);

    f = regs->x.flags;

    fprintf(stdout,"%s ",over[(f&O_MASK) ? (1) : (0)]);
    fprintf(stdout,"%s ",dire[(f&D_MASK) ? (1) : (0)]);
    fprintf(stdout,"%s ",inte[(f&I_MASK) ? (1) : (0)]);
    fprintf(stdout,"%s ",sign[(f&S_MASK) ? (1) : (0)]);
    fprintf(stdout,"%s ",zero[(f&Z_MASK) ? (1) : (0)]);
    fprintf(stdout,"%s ",auxi[(f&A_MASK) ? (1) : (0)]);
    fprintf(stdout,"%s ",pari[(f&P_MASK) ? (1) : (0)]);
    fprintf(stdout,"%s ",carr[(f&C_MASK) ? (1) : (0)]);
    fprintf(stdout,"\n");
}