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99 lines
7.0 KiB
C#
99 lines
7.0 KiB
C#
using System.Linq;
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namespace DiscImageChef.CommonTypes
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{
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public static class Geometry
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{
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static readonly (ushort cylinders, byte heads, ushort sectorsPerTrack, uint bytesPerSector, MediaEncoding
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encoding, bool variableSectorsPerTrack, MediaType type)[] KnownGeometries =
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{
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(32, 1, 8, 319, MediaEncoding.FM, false, MediaType.IBM23FD),
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(35, 1, 9, 256, MediaEncoding.FM, false, MediaType.ECMA_66),
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(35, 1, 13, 256, MediaEncoding.AppleGCR, false, MediaType.Apple32SS),
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(35, 1, 16, 256, MediaEncoding.AppleGCR, false, MediaType.Apple33SS),
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(35, 1, 19, 256, MediaEncoding.CommodoreGCR, false, MediaType.CBM_1540),
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(35, 2, 13, 256, MediaEncoding.AppleGCR, false, MediaType.Apple32DS),
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(35, 2, 16, 256, MediaEncoding.AppleGCR, false, MediaType.Apple33DS),
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(35, 2, 19, 256, MediaEncoding.CommodoreGCR, false, MediaType.CBM_1571),
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(40, 1, 8, 512, MediaEncoding.MFM, false, MediaType.DOS_525_SS_DD_8),
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(40, 1, 9, 512, MediaEncoding.MFM, false, MediaType.DOS_525_SS_DD_9),
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(40, 1, 10, 256, MediaEncoding.FM, false, MediaType.ACORN_525_SS_SD_40),
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(40, 1, 16, 256, MediaEncoding.MFM, false, MediaType.ACORN_525_SS_DD_40),
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(40, 1, 18, 128, MediaEncoding.FM, false, MediaType.ATARI_525_SD),
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(40, 1, 18, 256, MediaEncoding.MFM, false, MediaType.ATARI_525_DD),
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(40, 1, 19, 256, MediaEncoding.CommodoreGCR, false, MediaType.CBM_1540_Ext),
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(40, 1, 26, 128, MediaEncoding.MFM, false, MediaType.ATARI_525_ED),
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(40, 2, 8, 512, MediaEncoding.MFM, false, MediaType.DOS_525_DS_DD_8),
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(40, 2, 9, 512, MediaEncoding.MFM, false, MediaType.DOS_525_DS_DD_9),
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(40, 2, 16, 256, MediaEncoding.FM, false, MediaType.ECMA_70),
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(70, 2, 9, 512, MediaEncoding.MFM, false, MediaType.Apricot_35),
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(74, 1, 8, 512, MediaEncoding.FM, false, MediaType.IBM33FD_512),
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(74, 1, 15, 256, MediaEncoding.FM, false, MediaType.IBM33FD_256),
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(74, 1, 26, 128, MediaEncoding.FM, false, MediaType.IBM33FD_128),
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(74, 2, 8, 1024, MediaEncoding.MFM, false, MediaType.IBM53FD_1024),
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(74, 2, 15, 256, MediaEncoding.FM, false, MediaType.IBM43FD_256),
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(74, 2, 15, 512, MediaEncoding.MFM, false, MediaType.IBM53FD_512),
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(74, 2, 26, 128, MediaEncoding.FM, false, MediaType.IBM43FD_128),
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(74, 2, 26, 256, MediaEncoding.MFM, false, MediaType.IBM53FD_256),
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(77, 1, 26, 128, MediaEncoding.FM, false, MediaType.RX01),
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(77, 1, 26, 256, MediaEncoding.MFM, false, MediaType.RX02),
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(77, 2, 8, 1024, MediaEncoding.MFM, false, MediaType.NEC_525_HD),
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(77, 2, 15, 512, MediaEncoding.MFM, false, MediaType.ECMA_99_15),
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(77, 2, 26, 128, MediaEncoding.FM, false, MediaType.NEC_8_SD),
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(77, 2, 26, 256, MediaEncoding.MFM, false, MediaType.RX03),
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(80, 1, 8, 512, MediaEncoding.MFM, false, MediaType.DOS_35_SS_DD_8),
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(80, 1, 9, 512, MediaEncoding.MFM, false, MediaType.DOS_35_SS_DD_9),
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(80, 1, 10, 256, MediaEncoding.FM, false, MediaType.ACORN_525_SS_SD_80),
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(80, 1, 10, 512, MediaEncoding.AppleGCR, true, MediaType.AppleSonySS),
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(80, 1, 10, 512, MediaEncoding.MFM, false, MediaType.RX50),
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(80, 1, 11, 512, MediaEncoding.MFM, false, MediaType.ATARI_35_SS_DD_11),
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(80, 1, 16, 256, MediaEncoding.MFM, false, MediaType.ACORN_525_SS_DD_80),
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(80, 2, 5, 1024, MediaEncoding.MFM, false, MediaType.ACORN_35_DS_DD),
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(80, 2, 8, 512, MediaEncoding.MFM, false, MediaType.DOS_35_DS_DD_8),
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(80, 2, 9, 512, MediaEncoding.MFM, false, MediaType.DOS_35_DS_DD_9),
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(80, 2, 10, 512, MediaEncoding.AppleGCR, true, MediaType.AppleSonyDS),
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(80, 2, 10, 512, MediaEncoding.MFM, false, MediaType.CBM_35_DD),
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(80, 2, 10, 1024, MediaEncoding.MFM, false, MediaType.ACORN_35_DS_HD),
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(80, 2, 11, 512, MediaEncoding.MFM, false, MediaType.CBM_AMIGA_35_DD),
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(80, 2, 15, 512, MediaEncoding.MFM, false, MediaType.DOS_525_HD),
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(80, 2, 16, 256, MediaEncoding.FM, false, MediaType.ECMA_78),
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(80, 2, 16, 256, MediaEncoding.MFM, false, MediaType.ACORN_525_DS_DD),
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(80, 2, 18, 512, MediaEncoding.MFM, false, MediaType.DOS_35_HD),
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(80, 2, 19, 512, MediaEncoding.MFM, false, MediaType.XDF_525),
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(80, 2, 21, 512, MediaEncoding.MFM, false, MediaType.DMF),
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(80, 2, 22, 512, MediaEncoding.MFM, false, MediaType.CBM_AMIGA_35_HD),
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(80, 2, 23, 512, MediaEncoding.MFM, false, MediaType.XDF_35),
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(80, 2, 36, 512, MediaEncoding.MFM, false, MediaType.DOS_35_ED),
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(82, 2, 10, 512, MediaEncoding.MFM, false, MediaType.FDFORMAT_35_DD),
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(82, 2, 17, 512, MediaEncoding.MFM, false, MediaType.FDFORMAT_525_HD),
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(82, 2, 21, 512, MediaEncoding.MFM, false, MediaType.FDFORMAT_35_HD),
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(240, 2, 38, 512, MediaEncoding.MFM, false, MediaType.NEC_35_TD),
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(652, 2, 0, 512, MediaEncoding.MFM, false, MediaType.Floptical),
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// Following ones are what the device itself report, not the physical geometry
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(154, 16, 32, 512, MediaEncoding.MFM, false, MediaType.PocketZip),
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(262, 32, 56, 512, MediaEncoding.MFM, false, MediaType.LS240),
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(963, 8, 32, 512, MediaEncoding.MFM, false, MediaType.LS120),
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(1021, 64, 32, 512, MediaEncoding.MFM, false, MediaType.Jaz),
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(1024, 2, 32, 512, MediaEncoding.MFM, false, MediaType.FD32MB)
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};
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public static MediaType GetMediaType(
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(ushort cylinders, byte heads, ushort sectorsPerTrack, uint bytesPerSector, MediaEncoding encoding, bool
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variableSectorsPerTrack) geometry)
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{
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return (from geom in KnownGeometries
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where geom.cylinders == geometry.cylinders && geom.heads == geometry.heads &&
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geom.sectorsPerTrack == geometry.sectorsPerTrack &&
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geom.bytesPerSector == geometry.bytesPerSector &&
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geom.encoding == geometry.encoding &&
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geom.variableSectorsPerTrack == geometry.variableSectorsPerTrack
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select geom.type).FirstOrDefault();
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}
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public static (ushort cylinders, byte heads, ushort sectorsPerTrack, uint bytesPerSector, MediaEncoding encoding
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, bool variableSectorsPerTrack, MediaType type) GetGeometry(MediaType mediaType)
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{
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return (from geom in KnownGeometries where geom.type == mediaType select geom).FirstOrDefault();
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}
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}
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} |