mirror of https://github.com/JorjBauer/aiie.git
55 lines
1018 B
C
55 lines
1018 B
C
#ifndef __NIBUTIL_H
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#define __NIBUTIL_H
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#include <unistd.h>
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#include <fcntl.h>
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#include <stdlib.h>
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#include <string.h>
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#include <time.h>
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#include <stdint.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define NIBTRACKSIZE 0x1A00
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#define NIBSECTORSIZE 416
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typedef struct _nibSector {
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uint8_t gap1[48];
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uint8_t sectorProlog[3];
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uint8_t volume44[2];
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uint8_t track44[2];
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uint8_t sector44[2];
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uint8_t checksum44[2];
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uint8_t sectorEpilog[3];
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uint8_t gap2[5];
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uint8_t dataProlog[3];
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uint8_t data62[342];
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uint8_t checksum;
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uint8_t dataEpilog[3];
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} nibSector;
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enum nibErr {
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errorNone = 0,
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errorMissingSectors = 1,
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errorBadData = 2
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};
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uint32_t nibblizeTrack(uint8_t outputBuffer[NIBTRACKSIZE], const uint8_t rawTrackBuffer[256*16],
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uint8_t diskType, int8_t track);
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nibErr denibblizeTrack(const uint8_t input[NIBTRACKSIZE], uint8_t rawTrackBuffer[256*16],
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uint8_t diskType, int8_t track);
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uint8_t de44(uint8_t nibs[2]);
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#ifdef __cplusplus
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};
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#endif
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#endif
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