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deramp5113's latest activity

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    deramp5113 replied to the thread ICOM FDOS-III for the Poly88.
    I was able to use the original system files for FDOS-III found on the ISIS 8” disk to recreate bootable 5.25” disks that can run on an...
    • FDOS Directory Listings.png
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    deramp5113 replied to the thread Altair BASIC VER 2.0?.
    If you want, send me your last name by email and I'll be glad to give you credit in the .txt file for 8K BASIC ver 2.0 deramp5113...
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    deramp5113 replied to the thread Altair BASIC VER 2.0?.
    That's great! Thanks for finding this for the Altair community. I have posted your .tap file and made some notes for it here (see 8K...
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    deramp5113 replied to the thread Altair BASIC VER 2.0?.
    Great write-up Eric!
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    deramp5113 reacted to ef1j95's post in the thread Altair BASIC VER 2.0? with Like Like.
    I recently had Altair BASIC VER 1.0 loading from paper tape on an IMSAI 8080. The binary came from Mike Douglas' DeRamp.com site...
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    deramp5113 replied to the thread Altair BASIC VER 2.0?.
    Great find! Most definitely load and save the content of that tape. We can figure out the loader by examining the tape data. Mike D
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    deramp5113 replied to the thread ICOM FDOS-III for the Poly88.
    FDOS was created for and by iCOM for their FD360 disk system (8 inch floppy, IBM 3740 compatible). The FD360 was later repackaged by...
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    deramp5113 replied to the thread ICOM FDOS-III for the Poly88.
    I received the iCOM MicroFloppy controller and have disassembled the EPROM on it. The EPROM entry points called by the EXEC of Per’s...
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    deramp5113 replied to the thread MITS SIO-A card.
    The rev 1 mod to the rev 0 board was originally an errata page in the rev 0 manual titled, “Modification for internal hardware interrupt...
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    deramp5113 replied to the thread ICOM FDOS-III for the Poly88.
    Rich’s FDOS material is for the 8” FD360 (iCOM) or FD3712 (Pertec). I reached out to Rich to borrow and archive any FDOS disks he had...
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    deramp5113 replied to the thread ICOM FDOS-III for the Poly88.
    Good stuff! As we were surmising, it appears the FDOS files on the 8” disks are the files you need to build an FDOS 5.25” disk. Most...
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    The PIC firmware files on the DeRamp website are only for “in-computer” update/installation as described in the front panel manual. It...
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