- 2012/01/13: version 08 of the FX-8000G emulator - only small cosmetic modifications
- 2012/01/08: Elektronika MK-90 - hardware - CPU board circuit diagram
- 2011/12/29: Elektronika MK-90 - hardware - original datasheets of the KA1835VG series chips, system board circuit diagram
- 2011/12/29: Memory cartridge MPO-10 for the Elektronika MK-90 - pin assignment diagram and original datasheet of the KA1835VG2 controller, circuit diagram
- 2011/11/29: comments to the MK-90 ROM disassembly BASIC 1.0, BASIC 2.0 - number conversion and arithmetic routines
- 2011/11/29: comments to the DVK BASIC ROM disassembly - number conversion and arithmetic routines
- 2011/11/02: comments to the internal ROM disassembly of the Casio PB-1000 processor - floating point arithmetic routines
- 2011/11/02: comments to the internal ROM disassembly of the Casio PB-2000C processor - floating point arithmetic routines
- 2011/10/21: version 07 of the FX-8000G emulator
- 2011/10/21: Casio FX-8000G assembly language manual - instructions NA, NAM, TNA, TNAM
- 2011/10/16: Casio FX-8000G hardware - keyboard layout
- 2011/10/15: HD62076/μPD3055 manual - indirect register access and other
- 2011/10/15: HD62076/μPD3055 disassembler
- 2011/10/15: SF-9300 diagnostic code
- 2011/10/13: New program: implementation of the classic game Tetris for the PB-1000
- 2011/09/29: New program: FX-8000G emulator for Windows
- 2011/09/29: internal ROM disassembly listing of the Casio FX-8000G microprocessor
- 2011/09/07: Casio FX-8000G assembly language manual - indirect register access
- 2011/08/31: version 43 of the PB-1000 emulator
- 2011/08/31: version 19 of the PB-2000C emulator
- 2011/08/30: programming of the LCD controller chipset HD44352A01/HD44356A01, HD44353 - cursors
- 2011/08/24: Casio FX-8000G assembly programming - instructions CMPBM, LDM, STM, register AS.
Updated files: assembly language manual, assembler, disassembler
- 2011/08/12: Casio FX-8000G assembly programming - indirect register access.
It was necessary to change the notation of indirectly specified registers.
The concept of the virtual IND register and the notation of register arrays using the first register and the number of bytes have been abandoned.
Updated files: assembly language manual, assembler, disassembler, internal and external ROM listing
- 2011/08/01: Casio FX-8000G assembly programming - instructions TRP, OFF.
Updated files: assembly language manual, assembler, disassembler
- 2011/07/25: Casio FX-8000G assembly language manual - keyboard port
- 2011/07/25: Casio FX-8000G ROM listing - self-test routine
- 2011/07/21: New file: internal ROM disassembly listing of the Casio FX-8000G microprocessor
- 2011/07/20: Casio FX-8000G assembly programming - instructions SUP, SDN, SWPM, BNUSM.
Updated files: assembly language manual, assembler, disassembler
- 2011/07/10: Casio FX-8000G assembly programming - the port ENx control register temporarily named S1 has been merged into the IF register.
Updated files: assembly language manual, assembler, disassembler, FX-8000G ROM listing
- 2011/07/02: Casio FX-8000G assembly language manual - interrupt flags in the IF register
- 2011/06/19: comments to the internal ROM disassembly of the Casio PB-1000 processor - function &H08DD (square root)
- 2011/06/19: comments to the internal ROM disassembly of the Casio PB-2000C processor - function &H071F (square root)
- 2011/05/22: Forth for the Casio PB-1000 - fixed bug in the (LOOP) command where unsigned instead of signed comparison was used
- 2011/05/06: Elektronika MK-90 - hardware
- 2011/04/13: New file: Circuit diagram of the SB-41 interface between the calculator PB-700 and the printer FP-40
- 2011/03/31: games for the Elektronika MK-90 - fixed noisy sound
- 2011/03/21: INFLATE decompressor for the Elektronika MK-90 - fixed bug in the loader
- 2011/03/21: fixed boxing game for the Elektronika MK-90
- 2011/02/23: comments to the ROM disassembly listing of the microprocessor HD6305Y1 (MD-100 interface)
- 2010/02/14: programming of the MD-100 floppy disk drive - commands &H60 (file rename) and &HD0 (free disk space)
- 2011/02/14: New file: ROM dump and disassembly listing of the microprocessor HD6305Y1, which controls the MD-100 floppy disk system
- 2011/02/10: New file: circuit diagram of the MD-100 floppy disk system
- 2011/02/06: New file: photograph of the MD-100 printed circuit board
- 2011/01/23: programming of the LCD controller chipset HD44352A01, HD44353 - added information about the chip HD44356A01 and program examples for the calculator FX-8000G
- 2011/01/14: New page: description of the HD61710A01 interface chip
- 2011/01/12: New file: circuit diagram of the FA-7 interface
- 2011/01/10: Casio FX-8000G hardware - bus waveforms
- 2011/01/09: New file: circuit diagram of the FA-80 interface
- 2011/01/04: New page: Casio FX-8000G hardware
- 2010/12/29: Casio FX-8000G assembler - IJMP
- 2010/12/29: Casio FX-8000G disassembler - IJMP
- 2010/12/25: version 14 of the MD-100 emulator
- 2010/12/19: version 42 of the PB-1000 emulator
- 2010/12/19: version 18 of the PB-2000C emulator
- 2010/12/16: New file: partially commented disassembly of the BASIC interpreter built in the ROM of the DVK-1 personal computer
- 2010/12/10: version 46 of the Elektronika MK-85 emulator
- 2010/12/10: version 14 of the Elektronika MK-90 emulator
- 2010/12/03: version 13 of the MD-100 emulator
- 2010/11/30: New link: Blog about the the Casio FX-870P and VX-4
- 2010/11/19: fixed bugs in the programs RAM2BAS and MK852BAS for the Elektronika MK-85
- 2010/11/13: comments to the Elektronika MK-85 ROM disassembly - DEL key handle procedure
- 2010/11/09: New file: source code for the modified ROM used in the Elektronika MK-85 upgrade project
- 2010/11/08: New program: assembler for the μPD1007 microprocessor used in the Casio FX-8000G calculator
- 2010/09/29: version 41 of the PB-1000 emulator
- 2010/09/29: version 17 of the PB-2000C emulator
- 2010/08/20: Casio PB-2000C ROM disassembly - added list of system variables
- 2010/08/18: New page: Executing machine code on the Casio PB-2000C
- 2010/08/11: ROM disassembly of the OM-53B BASIC language card - jump address for BREAK
- 2010/08/11: Casio PB-2000C ROM disassembly - jump address for BREAK
- 2010/08/11: Casio FX-8000G disassembler - instructions LDM, STM
- 2010/08/07: Casio FX-8000G assembly language manual
- 2010/08/05: New file: ROM image from the Prolog language card OM-51P for the PB-2000C emulator
- 2010/07/31: version 40 of the PB-1000 emulator
- 2010/07/31: version 16 of the PB-2000C emulator
- 2010/07/18: version 13 of the Elektronika MK-90 emulator
- 2010/07/02: Casio FX-8000G assembly language manual - bits 1,0 of the IE register
- 2010/06/12: Casio FX-8000G assembly language manual
- 2010/06/12: Casio FX-8000G disassembler - indirectly accessed register arrays, bug fixes, instructions NOP, CANI, TRP
- 2010/06/12: Casio FX-8000G ROM listing - bug fixes (operands of the instructions CMPM, BYUM, DIUM, ROUM, INVM, BYDM, CMPBM, DIDM)
- 2010/05/26: Casio FX-8000G assembly language manual - indirect register access, description of the Overflow flag V, updated flag settings
- 2010/05/17: Casio FX-8000G disassembler - indirect register access
- 2010/05/17: Casio FX-8000G ROM listing - indirect register access
- 2010/03/27: Casio FX-8000G assembly language - block transfer instructions BUP and BDN
- 2010/02/16: comments to the internal ROM disassembly of the Casio PB-1000 processor - function &H09FE
- 2010/02/16: comments to the internal ROM disassembly of the Casio PB-2000C processor - function &H085E
- 2010/02/14: Simple RS232 interface for the Casio PB-1000 - added link to a similar project
- 2010/01/18: Casio PB-1000 ROM disassembly - added list of system variables
- 2010/01/18: ROM disassembly of the OM-53B BASIC language card - added list of system variables
- 2010/01/17: New file: Partially commented Casio PB-2000C ROM disassembly (only the first half of the code so far, without the C interpreter).
- 2010/01/13: Elektronika MK-90 - hardware
- 2010/01/11: fixed Chess game for the Elektronika MK-90
- 2010/01/05: version 12 of the MD-100 emulator - bug fix (renaming floppy disk files)
- 2010/01/05: comments to the Casio PB-1000 ROM disassembly
- 2010/01/05: comments to the ROM disassembly of the OM-53B BASIC language card
- 2009/12/28: comments to the internal ROM disassembly of the Casio PB-2000C processor
- 2009/12/25: version 45 of the Elektronika MK-85 emulator
- 2009/12/25: version 11 of the Elektronika MK-90 emulator
- 2009/12/17: comments to the internal ROM disassembly of the Casio PB-1000 processor
- 2009/12/17: comments to the PB-1000 ROM disassembly
- 2009/12/17: comments to the internal ROM disassembly of the Casio PB-2000C processor
- 2009/12/17: comments to the ROM disassembly of the OM-53B BASIC language card
- 2009/12/02: comments to the PB-1000 ROM disassembly - time and date
- 2009/11/26: New file: service manual for the Casio PB-2000C
