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fluxengine/arch/ibm/ibm.h
2022-09-12 23:52:24 +02:00

40 lines
1.1 KiB
C++

#ifndef IBM_H
#define IBM_H
/* IBM format (i.e. ordinary PC floppies). */
#define IBM_MFM_SYNC 0xA1 /* sync byte for MFM */
#define IBM_IAM 0xFC /* start-of-track record */
#define IBM_IAM_LEN 1 /* plus prologue */
#define IBM_IDAM 0xFE /* sector header */
#define IBM_IDAM_LEN 7 /* plus prologue */
#define IBM_DAM1 0xF8 /* sector data (type 1) */
#define IBM_DAM2 0xFB /* sector data (type 2) */
#define IBM_TRS80DAM1 0xF9 /* sector data (TRS-80 directory) */
#define IBM_TRS80DAM2 0xFA /* sector data (TRS-80 directory) */
#define IBM_DAM_LEN 1 /* plus prologue and user data */
/* Length of a DAM record is determined by the previous sector header. */
struct IbmIdam
{
uint8_t id;
uint8_t track;
uint8_t side;
uint8_t sector;
uint8_t sectorSize;
uint8_t crc[2];
};
class Encoder;
class Decoder;
class DecoderProto;
class EncoderProto;
extern std::unique_ptr<Decoder> createIbmDecoder(
const DecoderProto& config);
extern std::unique_ptr<Encoder> createIbmEncoder(
const EncoderProto& config);
#endif