22DISK
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One method of extracting files from CP/M disks to a PC is to use 22DISK, once made by Sydex, which is a set of programs for DOS to perform operations on CP/M formatted disks.
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There appears to be some level of controversy over distributing 22DISK these days (a good write up is here), but I suspect it has to do with Sydex putting up a web page offering to read old disks for people (something I do on this site at no charge). That said, a simple google search will produce many sites hosting this file. The most recent copy is v1.44 from October, 1996.
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However, 22DISK requires “disk definitions” to read each disk. Larry Kraemer has prepared a set of “disk definitions” to enable 22DISK to read Model 4 Montezuma Micro CP/M to DOS, as follows:
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BEGIN TRSG TRS-80 Model 4,4P Montezuma System 170K – SSDD 48 tpi 5.25″
DENSITY MFM, LOW
CYLINDERS 40 SIDES 1 SECTORS 18,256
SIDE1 0 1,3,5,7,9,11,13,15,17,2,4,6,8,10,12,14,16,18
BSH 4 BLM 15 EXM 1 DSM 84 DRM 127 AL0 0C0H AL1 0 OFS 2
END
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BEGIN TRSH TRS-80 Model 4,4P Montezuma Data 200K – SSDD 48 tpi 5.25″
DENSITY MFM, LOW
CYLINDERS 40 SIDES 1 SECTORS 10,512
SIDE1 0 1,3,5,7,9,2,4,6,8,10
BSH 4 BLM 15 EXM 1 DSM 99 DRM 127 AL0 0C0H AL1 0 OFS 0
END
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BEGIN TRSI TRS-80 Model 4,4P Montezuma System 350K – DSDD 48 tpi 5.25″
DENSITY MFM, LOW
CYLINDERS 40 SIDES 2 SECTORS 18,256
SIDE1 0 1,3,5,7,9,11,13,15,17,2,4,6,8,10,12,14,16,18
SIDE2 1 1,3,5,7,9,11,13,15,17,2,4,6,8,10,12,14,16,18
ORDER EAGLE
BSH 4 BLM 15 EXM 1 DSM 174 DRM 127 AL0 0C0H AL1 0 OFS 2
END
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BEGIN TRSJ TRS-80 Model 4,4P Montezuma Data 400K – DSDD 48 tpi 5.25″
DENSITY MFM, LOW
CYLINDERS 40 SIDES 2 SECTORS 10,512
SIDE1 0 1,3,5,7,9,2,4,6,8,10
SIDE2 1 1,3,5,7,9,2,4,6,8,10
ORDER EAGLE
BSH 4 BLM 15 EXM 1 DSM 199 DRM 127 AL0 0C0H AL1 0 OFS 0
END
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BEGIN TRSK TRS-80 Model 4,4P Montezuma System 350K – SSDD 96 tpi 5.25″
DENSITY MFM, LOW
CYLINDERS 80 SIDES 1 SECTORS 18,256
SIDE1 0 1,3,5,7,9,11,13,15,17,2,4,6,8,10,12,14,16,18
BSH 4 BLM 15 EXM 1 DSM 174 DRM 127 AL0 0C0H AL1 0 OFS 2
END
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BEGIN TRSL TRS-80 Model 4,4P Montezuma Data 400K – SSDD 96 tpi 5.25″
DENSITY MFM, LOW
CYLINDERS 80 SIDES 1 SECTORS 10,512
SIDE1 0 1,3,5,7,9,2,4,6,8,10
BSH 4 BLM 15 EXM 1 DSM 199 DRM 127 AL0 0C0H AL1 0 OFS 0
END
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BEGIN TRSM TRS-80 Model 4,4P Montezuma System 710K – DSDD 96 tpi 5.25″
DENSITY MFM, LOW
CYLINDERS 80 SIDES 2 SECTORS 18,256
SIDE1 0 1,3,5,7,9,11,13,15,17,2,4,6,8,10,12,14,16,18
SIDE2 1 1,3,5,7,9,11,13,15,17,2,4,6,8,10,12,14,16,18
ORDER SIDES
BSH 4 BLM 15 EXM 0 DSM 354 DRM 127 AL0 0C0H AL1 0 OFS 2
END
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BEGIN TRSN TRS-80 Model 4,4P Montezuma Data 800K – DSDD 96 tpi 5.25″
DENSITY MFM, LOW
CYLINDERS 80 SIDES 2 SECTORS 10,512
SIDE1 0 1,3,5,7,9,2,4,6,8,10
SIDE2 1 1,3,5,7,9,2,4,6,8,10
ORDER SIDES
BSH 4 BLM 15 EXM 0 DSM 399 DRM 127 AL0 0C0H AL1 0 OFS 0
END
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BEGIN TRSO TRS-80 Model 4,4P Montezuma Extend System 190K – SSDD 48 tpi 5.25″
DENSITY MFM, LOW
CYLINDERS 40 SIDES 1 SECTORS 10,512
SIDE1 0 1,3,5,7,9,2,4,6,8,10
BSH 4 BLM 15 EXM 1 DSM 94 DRM 127 AL0 0C0H AL1 0 OFS 2
END
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BEGIN TRSP TRS-80 Model 4,4P Montezuma Extend System 390K – SSDD 48 tpi 5.25″
DENSITY MFM, LOW
CYLINDERS 40 SIDES 2 SECTORS 10,512
SIDE1 0 1,3,5,7,9,2,4,6,8,10
SIDE2 1 1,3,5,7,9,2,4,6,8,10
ORDER SIDES
BSH 4 BLM 15 EXM 1 DSM 194 DRM 127 AL0 0C0H AL1 0 OFS 2
END
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BEGIN TRSQ TRS-80 Model 4,4P Montezuma Extend System 390K – SSDD 96 tpi 5.25″
DENSITY MFM, LOW
CYLINDERS 80 SIDES 1 SECTORS 10,512
SIDE1 0 1,3,5,7,9,2,4,6,8,10
BSH 4 BLM 15 EXM 0 DSM 194 DRM 127 AL0 0C0H AL1 0 OFS 2
END
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BEGIN TRSR TRS-80 Model 4,4P Montezuma Extend System 790K – DSDD 96 tpi 5.25″
DENSITY MFM, LOW
CYLINDERS 80 SIDES 2 SECTORS 10,512
SIDE1 0 1,3,5,7,9,2,4,6,8,10
SIDE2 1 1,3,5,7,9,2,4,6,8,10
ORDER SIDES
BSH 4 BLM 15 EXM 0 DSM 394 DRM 127 AL0 0C0H AL1 0 OFS 2
END
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BEGIN TRSS TRS-80 Model 4,4P Montezuma Super Data 220K – SSDD 48 tpi 5.25″
DENSITY MFM, LOW
CYLINDERS 40 SIDES 1 SECTORS 6,1024
SIDE1 0 1,3,5,2,4,6
BSH 4 BLM 15 EXM 1 DSM 109 DRM 127 AL0 0C0H AL1 0 OFS 0
END
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BEGIN TRST TRS-80 Model 4,4P Montezuma Super Data 440K – DSDD 48 tpi 5.25″
DENSITY MFM, LOW
CYLINDERS 40 SIDES 2 SECTORS 6,1024
SIDE1 0 1,3,5,2,4,6
SIDE2 1 1,3,5,2,4,6
ORDER EAGLE
BSH 4 BLM 15 EXM 1 DSM 219 DRM 127 AL0 0C0H AL1 0 OFS 0
END
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BEGIN TRSU TRS-80 Model 4,4P Montezuma Super Data 440K – SSDD 96 tpi 5.25″
DENSITY MFM, LOW
CYLINDERS 80 SIDES 1 SECTORS 6,1024
SIDE1 0 1,3,5,2,4,6
BSH 4 BLM 15 EXM 1 DSM 219 DRM 127 AL0 0C0H AL1 0 OFS 0
END
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BEGIN TRSV TRS-80 Model 4,4P Montezuma Super Data 880K – DSDD 96 tpi 5.25″
DENSITY MFM, LOW
CYLINDERS 80 SIDES 2 SECTORS 6,1024
SIDE1 0 1,3,5,2,4,6
SIDE2 1 1,3,5,2,4,6
ORDER SIDES
BSH 4 BLM 15 EXM 0 DSM 439 DRM 127 AL0 0C0H AL1 0 OFS 0
END
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BEGIN TRSW TRS-80 Model 4,4P Montezuma System 400K – SSDD 96 tpi 3.5″
DENSITY MFM, LOW
CYLINDERS 80 SIDES 1 SECTORS 10,512
SIDE1 0 1,3,5,7,9,2,4,6,8,10
BSH 4 BLM 15 EXM 1 DSM 199 DRM 127 AL0 0C0H AL1 0 OFS 0
END
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 22DISK v1.44
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