engineers@work
@engineerswork1
Website: http://eaw.app Github: https://github.com/pdsmart Gyrocopters: http://www.gyroaviation.co.uk
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picoZ80 in an MZ-700, QD and Floppy Drives fully working. QD/Tape has tight timing so Z80 CPU Cycle must be adhered to. Videos below are using internal RAM and access is synced to the Z80 host clock. QD interface is driven by an MZ-1E14 so using a virtualised MZ-1E19 ROM to…
picoZ80 on an MZ-700 Upper screen is the picoZ80, lower screen is the original Z80. Some minor tweaks needed, you get the occasional wasted T-State between multi-byte opcodes which is down to the time taken for Redcode emulation to process as it makes 3 calls (Opcode, data 1,…
NoriQ has created an easier to build version of the SharpKey and enhanced to work with the MZ-6500/MZ-5600 machines, great work, thank-you.
MZ-5665モジュールを実装しました。 ファームウェアも更新しています。 キーボードのない #MZ5500, #MZ5600, #MZ6500, #MZ6550 が救われますように😆 github.com/NoriQtech/Shar…
SFD-700 v1.2 - Latest update. A Floppy Disk Drive interface with embedded Rom Filing System to extend the Monitor command line and fast boot common apps (Basic, CPM etc). Specification includes 512K FlashROM and 512K Static RAM. New board works and tested in an MZ-80A, MZ-700,…
Sharp MZ-80A Owners I have put up the necessary details of the Kuma 40/80 col modification on my website eaw.app/kuma80 - if you don't have 80 columns this is the best way to add the functionality. Also, I have placed MicroTech CP/M and Sharp F-DOS.
The tranZPUter Fusion Project - 2 boards assembled, CPLD/FPGA/K64FX512 tested and operating - now the hard part, writing the OctoPSRAM HDL and migrating the tranZPUter SW-700 code!
#NEW Sharp MZ-700 EXT-700 Single Expansion Adapter tindie.com/products/pdsma… by @engineerswork1 #DIYElectronics
#NEW Sharp MZ-80A EXT-80A Single Expansion Adapter tindie.com/products/pdsma… by @engineerswork1 #DIYElectronics
What is this expansion board for the Amstrad PCW-9512? Replaces the Z80 by soldering the board on top of the original Z80, hardwiring the original Z80 BUSRQ low and provides 1.5MByte RAM and 128KB Static RAM. Also appears to use a faster Z80 (8MHz) CPU.
EXT80A, EXT700 and GAL26Adapter open source designs pushed to github. Will update my website shortly with build instructions, specifically for the power adapter/cable.
Sharp MZ-2000 with original GRAM board. The FusionX fits neatly in-between the mainboard and the GRAM board.
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