Reference

Reference

  • EL-804 reverse engineering EL-804 reverse engineering

    EL-804 reverse engineering

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    Documents: Schematic      I love VFD displays especially when they are coupled to old calculator tech so I bought an EL-804 calculator from EBay and reverse engineered the schematic, stripped the original board and built all the parts on...
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  • MD-SBC1 Reference page MD-SBC1 Reference page

    MD-SBC1 Reference page

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    Documents: Z80 Reference page , MD-SBC1 , RevB Schematic , RevB Layout , RevC Schematic , RevC Layout      This is the free reference page for the Mostek MD-SBC1 single board computer manufactured in the late '70s and...
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  • TRS-80 Reference page

    TRS-80 Reference page

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    This page links to free copies of high quality scanned and OCR'd PDFs of manuals for the TRS-80 PC-2 and the Sharp PC-1500 pocket computers. TRS-80 PC-2 (TRS80 PC2) Owners Manual (5A2) TRS-80 PC-2 (TRS80 PC2) Printer-Cassette Interface Owners Manual...
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  • Z80 Computer UI

    Z80 Computer UI

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    Z80 Backplane Computer , UI Installer , Help File      The 1730 is a Z80 CPU card with a Z84C0008VEC processor and 64kB of SRAM.  This card uses a USB interface to upload code from a hex file into the SRAM and after upload, the SRAM...
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  • Z80 Reference page

    Z80 Reference page

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    This is the free reference page for the Z80 processor family. Documents: ASCII Chart Mostek MD-SBC1 reference page zDevStudio free Z80 assembler: Notes Z80 Family Part numbering Packages: A, C, D, F, P, V Z80 CPU Technical Manual 1977 Z80 CPU Family...
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