Vintage programmable calculators Hacking of vintage programmable calculators. Description of hardware, internal data structures, file formats. Construction projects of various interfaces and other accessories. http://www.pisi.com.pl/piotr433/index.htm http://www.pisi.com.pl/piotr433/calc4.gif Vintage programmable calculators http://www.pisi.com.pl/piotr433/index.htm 122 52 Vintage programmable calculators Tue, 07 Mar 2006 00:00:00 +0000 en piotr433@pisi.com.pl (Piotr Piatek) piotr433@pisi.com.pl (Piotr Piatek) Fri, 30 Dec 2011 12:18:20 +0000 RSS Creator ver. 2.0 (http://www.fuw.edu.pl/~msadow/rsscreator/) http://blogs.law.harvard.edu/tech/rss Programming of the LCD controller chipset HD44352A01, HD44353 - update The chips are used in the Casio calculators PB-1000, PB-2000C. Added was information about the chip HD44356A01 used in the calculator FX-8000G and program examples for the FX-8000G. http://www.pisi.com.pl/piotr433/index.htm#fx8000g Mon, 24 Jan 2011 13:29:32 +0000 piotr433@pisi.com.pl (Piotr Piatek) 20110124132936320 Casio MD-100 Added photograph of the MD-100 internals and the circuit diagram of the floppy disk system. http://www.pisi.com.pl/piotr433/index.htm#md100 Fri, 11 Feb 2011 23:49:42 +0000 piotr433@pisi.com.pl (Piotr Piatek) 20110211234946408 Casio MD-100 [2] ROM dump of the microprocessor HD6305Y1, which controls the MD-100 floppy disk system, and partially commented disassembly listing. The comments will be occasionally updated without further notice. http://www.pisi.com.pl/piotr433/index.htm#md100 Tue, 15 Feb 2011 12:26:48 +0000 piotr433@pisi.com.pl (Piotr Piatek) 20110215123158100 Casio SB-41 circuit diagram Circuit diagram of the PB-700/PB-770 interface unit for the FP-40 printer. http://www.pisi.com.pl/piotr433/index.htm#pb700 Wed, 13 Apr 2011 12:44:57 +0000 piotr433@pisi.com.pl (Piotr Piatek) 20110413124619990 Casio FX-8000G - disassembly listing of the microprocessor's internal ROM Since the microprocessor's internal ROM cannot be directly read out, the listing was obtained by single stepping through the code. It's likely buggy and incomplete yet. The file will be updated without further notification. http://www.pisi.com.pl/piotr433/index.htm#fx8000g Thu, 21 Jul 2011 17:21:15 +0000 piotr433@pisi.com.pl (Piotr Piatek) 20110721172119215 Casio FX-8000G emulator for Windows First public release. http://www.pisi.com.pl/piotr433/fx8000ee.htm Sun, 11 Sep 2011 23:42:56 +0000 piotr433@pisi.com.pl (Piotr Piatek) 20110911234300392 Tetris for the Casio PB-1000 Implementation of the classic Tetris game for the PB-1000. http://www.pisi.com.pl/piotr433/index.htm#pb1000 Fri, 14 Oct 2011 09:18:36 +0000 piotr433@pisi.com.pl (Piotr Piatek) 20111014091842994 Elektronika MK-90 hardware
  • original datasheets of the KA1835VG series chips published by the company Transistor
  • redrawn circuit diagram of the system board and RAM cartridge
  • technical standard for the MPI bus
    • ]]>     http://www.pisi.com.pl/piotr433/m90hwe.htm Fri, 30 Dec 2011 12:18:16 +0000 piotr433@pisi.com.pl (Piotr Piatek) 20111230121816470