fluxengine/src/formats/victor9k_ss.textpb

comment: 'Victor 9000 / Sirius One 612kB SSHD GCR variable sector)'

image_reader {
	filename: "victor9k.img"
	type: IMG
}

image_writer {
	filename: "victor9k.img"
	type: IMG
}

layout {
	tracks: 80
	sides: 1
	layoutdata {
		sector_size: 512
		physical {
			start_sector: 0
		}
	}
	layoutdata {
		track: 0
		up_to_track: 3
		physical {
			count: 19
		}
	}
	layoutdata {
		track: 4
		up_to_track: 15
		physical {
			count: 18
		}
		filesystem {
			start_sector: 0
			count: 18
			skew: 4
		}
	}
	layoutdata {
		track: 16
		up_to_track: 26
		physical {
			count: 17
		}
		filesystem {
			start_sector: 0
			count: 17
			skew: 4
		}
	}
	layoutdata {
		track: 27
		up_to_track: 37
		physical {
			count: 16
		}
		filesystem {
			start_sector: 0
			count: 16
			skew: 4
		}
	}
	layoutdata {
		track: 38
		up_to_track: 47
		physical {
			count: 15
		}
		filesystem {
			start_sector: 0
			count: 15
			skew: 4
		}
	}
	layoutdata {
		track: 48
		up_to_track: 59
		physical {
			count: 14
		}
		filesystem {
			start_sector: 0
			count: 14
			skew: 4
		}
	}
	layoutdata {
		track: 60
		up_to_track: 70
		physical {
			count: 13
		}
		filesystem {
			start_sector: 0
			count: 13
			skew: 4
		}
	}
	layoutdata {
		track: 71
		up_to_track: 79
		physical {
			count: 12
		}
		filesystem {
			start_sector: 0
			count: 12
			skew: 4
		}
	}
}

encoder {
	victor9k {
		trackdata {
			clock_period_us: 2.1367 # 468kHz
			post_index_gap_us: 500.0
			pre_header_sync_bits: 150
			post_header_gap_bits: 60
			pre_data_sync_bits: 40
			post_data_gap_bits: 300
		}
		trackdata {
			head: 0
			min_track: 0
			max_track: 3
			rotational_period_ms: 237.9
		}
		trackdata {
			head: 0
			min_track: 4
			max_track: 15
			rotational_period_ms: 224.5
		}
		trackdata {
			head: 0
			min_track: 16
			max_track: 26
			rotational_period_ms: 212.2
		}
		trackdata {
			head: 0
			min_track: 27
			max_track: 37
			rotational_period_ms: 199.9
		}
		trackdata {
			head: 0
			min_track: 38
			max_track: 47
			rotational_period_ms: 187.6
		}
		trackdata {
			head: 0
			min_track: 48
			max_track: 59
			rotational_period_ms: 175.3
		}
		trackdata {
			head: 0
			min_track: 60
			max_track: 70
			rotational_period_ms: 163.0
		}
		trackdata {
			head: 0
			min_track: 71
			max_track: 79
			rotational_period_ms: 149.6
		}
	}
}

decoder {
	victor9k {}
}

filesystem {
    cpmfs {
        filesystem_start {
            track: 5
        }
        block_size: 2048
        dir_entries: 128
    }
}