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, 25 Jul 2008 11:35:17 +0000 RSS Creator ver. 2.0 (http://www.fuw.edu.pl/~msadow/rsscreator/) http://blogs.law.harvard.edu/tech/rss Utility to copy BASIC programs into the MK-90 cartridge memory image The utility copies a list of BASIC programs in ASCII format to the MK-90 cartridge memory image. The resulting output file can be used by the emulator or written into a real cartridge. http://www.pisi.com.pl/piotr433/mk90emue.htm#util Tue, 11 Mar 2008 15:04:40 +0000 piotr433@pisi.com.pl (Piotr Piatek) 20080311150714450 File transfer utility for the PB-2000C emulator This utility transfers files between the PC and the ramdisk area of the RAM image used by the PB-2000C emulator. http://www.pisi.com.pl/piotr433/pb2000ee.htm#ramtran2 Wed, 12 Mar 2008 13:07:08 +0000 piotr433@pisi.com.pl (Piotr Piatek) 20080312130728280 Programming of the LCD controller chipset HD44352, HD44353 ...used in the calculators Casio PB-1000, PB-2000C. List of commands, example programs, hints. The document will be occasionally updated without further notice. http://www.pisi.com.pl/piotr433/index.htm#pb1000 Wed, 26 Mar 2008 16:34:04 +0000 piotr433@pisi.com.pl (Piotr Piatek) 20080326163404300 Technical information about the MD-100 floppy disk drive The document covers following topics:

  • Organisation of an MD-100 floppy disk
  • Communication with the host
  • List of commands

The information is incomplete yet, but will be occasionally updated.

]]> http://www.pisi.com.pl/piotr433/index.htm#pb1000 Fri, 04 Apr 2008 23:08:08 +0000 piotr433@pisi.com.pl (Piotr Piatek) 20080404230811370 Available release 12 of the Casio PB-2000C emulator In this version only a bug in the ROM image file ROM0.BIN was fixed. It influenced some floating point functions, e.g. RND, FRAC. Update is highly recommended! http://www.pisi.com.pl/piotr433/pb2000ee.htm Fri, 09 May 2008 09:31:21 +0000 piotr433@pisi.com.pl (Piotr Piatek) 20080509093137230 Casio MD-100 floppy disk utility This program can read and write the MD-100 floppy disk image on a PC with DOS or Windows 95/98. http://www.pisi.com.pl/piotr433/programs.htm#md100 Fri, 06 Jun 2008 10:21:42 +0000 piotr433@pisi.com.pl (Piotr Piatek) 20080606103812350 Conway's Game of Life for the Elektronika MK-90 An example assembly program illustrating how to store on the cartridge and then load and execute machine code exceeding 512 bytes. http://www.pisi.com.pl/piotr433/mk90mc1e.htm#life Mon, 16 Jun 2008 11:55:55 +0000 piotr433@pisi.com.pl (Piotr Piatek) 20080616115651870 Casio MD-100 Floppy Disk Drive emulator PB-1000 and PB-2000C to access files on an MD-100 floppy disk image over the network using the TCP/IP protocol.]]> http://www.pisi.com.pl/piotr433/md100eme.htm Fri, 25 Jul 2008 11:33:33 +0000 piotr433@pisi.com.pl (Piotr Piatek) 20080725113455530