- 2008/07/24: New: MD-100 emulator
- 2008/07/24: version 36 of the PB-1000 emulator
- 2008/07/24: version 13 of the PB-2000C emulator
- 2008/06/27: programming of the MD-100 floppy disk drive - file handles
- 2008/06/26: programming of the MD-100 floppy disk drive - significant description changes of commands open for write/append
- 2008/06/18: programming of the MD-100 floppy disk drive - commands delete and rename
- 2008/06/16: Conway's Game of Life for the Elektronika MK-90
- 2008/06/16: programming of the MD-100 floppy disk drive - more error codes, bug fixes
- 2008/06/06: utility to read and write MD-100 floppy disk image on a PC
- 2008/05/30: programming of the MD-100 floppy disk drive - directory read example
- 2008/05/29: programming of the MD-100 floppy disk drive - bug fixes
- 2008/05/15: programming of the MD-100 floppy disk drive - examples
- 2008/05/09: version 12 of the PB-2000C emulator
- 2008/05/08: locations &H0AC7, &H0AC8 in the PB-2000C processor internal ROM dump
- 2008/05/07: programming of the MD-100 floppy disk drive - reading/writing of files
- 2008/05/06: PB-1000 ROM disassembly - reading/writing of FDD files
- 2008/05/04: programming of the LCD controller chipset HD44352, HD44353
- 2008/04/17: programming of the MD-100 floppy disk drive
- 2008/04/15: simpler interpretation of the RAN# algoritm in the Elektronika MK-85 ROM
- 2008/04/11: PB-1000 ROM disassembly - FDD interface
- 2008/04/11: programming of the MD-100 floppy disk drive
- 2008/04/09: ROM disassembly of the OM-53B BASIC language card - FDD interface
- 2008/04/04: new document: technical information about the MD-100 floppy disk drive
- 2008/03/31: PB-2000C hardware - 8-bit port
- 2008/03/31: PB-1000 hardware - 8-bit port
- 2008/03/27: version 11 of the PB-2000C emulator
- 2008/03/27: version 35 of the PB-1000 emulator
- 2008/03/26: new document: Programming of the LCD controller chipset HD44352, HD44353
- 2008/03/21: new document: Casio FX-702P - table of character and keyword codes
- 2008/03/21: Casio FX-602P - additional keyword codes
- 2008/03/20: version 10 of the PB-2000C emulator
- 2008/03/20: version 34 of the PB-1000 emulator
- 2008/03/17: the Radio Shack PC4 and PC6 service manuals copied from the Win TRS-80 web page which is often down
- 2008/03/12: new file transfer utility for the PB-2000C emulator
- 2008/03/11: new utility to copy BASIC programs into the MK-90 cartridge memory image
- 2008/03/08: HD61700 manual - register UA, instruction OFF
- 2008/06/07: change of the KI port pin order in the HD61700 processor
- 2008/03/06: HD61700 manual - key interrupts, instruction SLW
- 2008/02/26: HD61700 manual - timer (register TM and instruction CLT), Pulse Interrupt
- 2008/02/24: added memory chip select signals to the HD61700 bus waveforms
- 2008/02/15: new file: ROM disassembly of the OM-53B BASIC language card
- 2008/02/15: version 09 of the PB-2000C emulator
- 2008/02/15: version 33 of the PB-1000 emulator
- 2008/02/14: PB-1000 ROM disassembly - command SYSTEM
- 2008/02/14: location &H0245 in the PB-2000C processor internal ROM dump
- 2008/02/14: version 41 of the Elektronika MK-85 emulator
- 2008/02/13: version 08 of the PB-2000C emulator
- 2008/02/13: version 32 of the PB-1000 emulator
- 2008/02/11: version 07 of the Elektronika MK-90 emulator
- 2008/02/09: comments to the internal ROM disassembly of the Casio PB-2000C processor
- 2008/02/09: comments to the internal ROM disassembly of the Casio PB-1000 processor
- 2008/02/04: version 06 of the PB-2000C emulator
- 2008/02/03: version 30 of the PB-1000 emulator
- 2008/02/01: location &H0256 in the PB-2000C processor internal ROM dump
- 2008/01/31: first public release of the PB-2000C emulator
- 2008/01/29: PB-2000C hardware page - flexible strip connecting the CPU board with the LCD board
- 2008/01/29: fixed major bugs in the PB-2000C processor internal ROM dump, the code already works well in the alpha version of the emulator
- 2008/01/29: identified instruction at location &H0BE2 in the PB-1000 processor internal ROM dump
- 2008/01/28: HD61700 assembly language manual - instructions CANI and RTNI
- 2008/01/25: new file: internal ROM disassembly of the Casio PB-2000C processor
- 2008/01/25: location &H0AF6 in the PB-1000 processor internal ROM dump
- 2008/01/24: PB-1000 CPU - description of the F signal
- 2008/01/24: identified instruction SLW at locations &H0BEA and &H0BFC in the PB-1000 processor internal ROM dump
- 2008/01/20: locations &H008B and &H04D7 in the PB-1000 processor internal ROM dump
- 2008/01/18: location &H00BC in the PB-1000 processor internal ROM dump
- 2008/01/17: PB-2000C hardware page - processor's signals CS1, CS2, P0
- 2008/01/16: HD61700 assembly language manual - register KY
- 2008/01/16: location &H0BF4 in the PB-1000 processor internal ROM dump (unused test code)
- 2008/01/09: new PB-2000C hardware page
- 2008/01/05: version 28 of the PB-1000 emulator
- 2008/01/05: HD61700 assembly language manual - UA register, delayed PC memory bank change
- 2008/01/05: PB-1000 CPU - swapped names of pins 30 and 31 on the CPU image
- 2008/01/02: PB-1000 CPU - description of the SW signal
- 2007/12/25: added link to an article about the history of the development of the MK-85
- 2007/12/23: PB-1000 ROM disassembly - keyboard, MEMO files
- 2007/12/23: MK-90 emulator code cleanup, doesn't affect the functionality
- 2007/12/23: version 40 of the MK-85 emulator
- 2007/12/23: version 27 of the PB-1000 emulator
- 2007/12/23: fixed two bugs in the PB-1000 processor internal ROM dump
- 2007/12/19: simple RS232 interface for the Casio PB-1000
- 2007/12/15: version 26 of the PB-1000 emulator
- 2007/12/15: HD61700 assembly language manual - information about the 8-bit port
- 2007/12/12: PB-1000 ROM disassembly - creating files