Starting work on disambiguating PCjs the emulator from PCjs the project/website; the emulator will become PCx86
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---
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layout: page
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title: PC-DOS 1.10
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permalink: /disks/pc/dos/ibm/1.10/
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machines:
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- type: pc
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id: ibm5150-pcdos110
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config: /devices/pc/machine/5150/mda/64kb/machine.xml
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autoMount:
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A:
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path: /disks/pc/dos/ibm/1.10/PCDOS110.json
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---
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PC-DOS 1.10
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---
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The PCjs machine below is running PC-DOS 1.10.
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{% include machine.html id="ibm5150-pcdos110" %}
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PC-DOS 1.10 was released in May 1982 on one single-sided (160Kb) diskette. A complete listing of all the files
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Also, in case you're wondering why 1920 + 6400 does not equal the "8704 bytes in 2 hidden files" reported by CHKDSK,
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that's because all CHKDSK byte totals are cluster-granular. On a 160Kb diskette, 1 cluster equals 1 sector or 512
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bytes.
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CHKDSK considers the size of IBMBIO.COM to be 2048 bytes (1920 rounded up to the nearest 512 multiple), and the
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size of IBMDOS.COM is 6656, so the total number of bytes consumed by those two files is 8704.
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### Directory of PC-DOS 1.10 Diskette
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IBMBIO COM 1920 05-07-82
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IBMDOS COM 6400 05-07-82
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COMMAND COM 4959 05-07-82
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FORMAT COM 3816 05-07-82
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CHKDSK COM 1720 05-07-82
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SYS COM 605 05-07-82
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DISKCOPY COM 2008 05-07-82
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DISKCOMP COM 1640 05-07-82
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COMP COM 1649 05-07-82
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EXE2BIN EXE 1280 05-07-82
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MODE COM 2509 05-07-82
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EDLIN COM 2392 05-07-82
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DEBUG COM 5999 05-07-82
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LINK EXE 41856 05-07-82
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BASIC COM 11392 05-07-82
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BASICA COM 16768 05-07-82
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ART BAS 1920 05-07-82
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SAMPLES BAS 2432 05-07-82
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MORTGAGE BAS 6272 05-07-82
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COLORBAR BAS 1536 05-07-82
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CALENDAR BAS 3840 05-07-82
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MUSIC BAS 8704 05-07-82
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DONKEY BAS 3584 05-07-82
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CIRCLE BAS 1664 05-07-82
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PIECHART BAS 2304 05-07-82
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SPACE BAS 1920 05-07-82
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BALL BAS 2048 05-07-82
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COMM BAS 4352 05-07-82
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28 File(s)
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CHKDSK reports:
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160256 bytes total disk space
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8704 bytes in 2 hidden files
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144384 bytes in 26 user files
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7168 bytes available on disk
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Additional Information From [PC DOS Retro](https://sites.google.com/site/pcdosretro/doshist)
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---
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- distributed on 1 160KB floppy disk
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- double-sided 320KB floppy disk support added
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- directory entries include the time last written in addition to the date
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- COPY supports concatenation of multiple files
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- new internal commands: DATE, DEL, REN, TIME
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- new external command: EXE2BIN
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- INT 21h functions 1Ch, 1Fh, 2Eh added
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See [PC-DOS 1.10 Documentation](/pubs/pc/software/dos/PCDOS110/) for more information.
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