fdc.cpp File Reference

#include "fdc.h"
#include "fdcconst.h"
#include <fstream>

Namespaces
	cpcx
	Namespace for all CPC components.

Macros
#define	LOAD_RESULT_WITH_STATUS
#define	LOAD_RESULT_WITH_CHRN

Macro Definition Documentation

#define LOAD_RESULT_WITH_CHRN

Value:

mResult[RES_C] =                                                           \
        mCommand[CMD_C]; /* load result with current CHRN values */            \
    mResult[RES_H] = mCommand[CMD_H];                                          \
    mResult[RES_R] = mCommand[CMD_R];                                          \
    mResult[RES_N] = mCommand[CMD_N];

Referenced by Fdc::cmd_read(), Fdc::cmd_scan(), Fdc::cmd_write(), Fdc::Fdc(), Fdc::read(), Fdc::read_data(), Fdc::readID(), Fdc::readtrk(), Fdc::scan(), Fdc::write(), and Fdc::writeID().

#define LOAD_RESULT_WITH_STATUS

Value:

mResult[RES_ST0] |= 0x40; /* AT */                                         \
    mResult[RES_ST1] |= 0x80; /* End of Cylinder */                            \
    if (mCommand[CMD_CODE] != 0x42)                                            \
    {/* continue only if not a read track command */                           \
        if ((mResult[RES_ST1] & 0x7f) || (mResult[RES_ST2] & 0x7f))            \
        {                             /* any 'error bits' set? */              \
            mResult[RES_ST1] &= 0x7f; /* mask out End of Cylinder */           \
            if ((mResult[RES_ST1] & 0x20) || (mResult[RES_ST2] & 0x20))        \
            {                             /* DE and/or DD? */                  \
                mResult[RES_ST2] &= 0xbf; /* mask out Control Mark */          \
            }                                                                  \
            else if (mResult[RES_ST2] & 0x40)                                  \
            {                             /* Control Mark? */                  \
                mResult[RES_ST0] &= 0x3f; /* mask out AT */                    \
                mResult[RES_ST1] &= 0x7f; /* mask out End of Cylinder */       \
            }                                                                  \
        }                                                                      \
    }

Referenced by Fdc::cmd_read(), Fdc::cmd_scan(), and Fdc::read_data().