- 2024/12/17: New device: Casio MD-120 floppy disk drive
- 2024/10/16: Serial and printer interface for the FX-602P calculator - updated circuit diagram and software (printing LIST for FX-702P and "memory list" for FX-602P)
- 2024/09/30: version 13 of the FX870P emulator - fixed choice of language version, updated ROM image
- 2024/09/26: MIC signal amplifier for cassette interfaces
- 2024/09/06: New device: Casio FA-1 interface
- 2024/06/14: Casio PB-700 circuit diagram - corrected connection of the LCD driver voltage VLCD1 to -20V instead of -14.5V
- 2024/06/06: How to read out the internal ROM contents of an HD6305Y1 microprocessor - updated circuit diagram, mnemonic names unified in accordance with the Hitachi databook, added EPROM image file
- 2024/03/04: Serial and printer interface for the FX-602P calculator - updated circuit diagram
- 2023/12/15: version 12 of the FX870P emulator - minor update
- 2023/12/15: version 03 of the VX-3 emulator - minor update
- 2023/12/15: version 51 of the PB-1000 emulator - minor update
- 2023/12/15: version 27 of the PB-2000C emulator - minor update
- 2023/12/14: Update of a document: Casio VX-3 analysis information
- 2023/07/29: version 11 of the FX870P emulator - fixed implementation of the Gate Array register 011 (serial transmission parameters)
- 2023/07/28: version 10 of the FX870P emulator - added an ability to print to a file
- 2023/07/26: version 02 of the VX-3 emulator - added an ability to print to a file
- 2023/07/25: New link to a document: Casio VX-3 analysis information
- 2023/07/17: New device: microcomputer Casio VX-3
- 2023/06/25: version 09 of the FX870P emulator - the settings in the INI file were ignored
- 2023/06/21: New link to an enhanced development of the PB-2000C emulator
- 2023/06/17: version 08 of the FX870P emulator - corrected state saving upon program termination, improved look
- 2023/06/04: version 07 of the FX870P emulator - added communication utility
- 2023/05/21: FX870P gate array registers
- 2023/05/15: fixed a bug affecting the INPUT command in the FX870P ROM listing at address &H02A8, updated the ROM image file "rom0.bin" in the emulator
- 2023/05/14: New RAM image editing tool FMEM for the FX870P emulator
- 2023/05/09: version 05 of the FX870P emulator
- 2023/05/03: New program: FX870P emulator for Windows
- 2023/04/23: New device: microcomputer Casio FX-870P/VX-4
- 2023/04/22: fixed mistakes in the PB-1000 internal ROM listing at addresses &H0136, &H014A, &H0BE8, updated the ROM image file "rom0.bin" in the emulator
- 2023/04/22: fixed mistakes in the PB-2000C internal ROM listing at addresses &H023A, &H023C, &H025A, &H03B9, &H0BE8, updated the ROM image file "rom0.bin" in the emulator
- 2022/10/07: New document: Brother M-1109 (Centronics GLP II) impact dot matrix printer owner's manual - German language version
- 2022/07/30: Important software update for the MD-100 compatible solid state mass storage device - disk overflow handling, reduced current consumption
- 2021/12/29: version 50 of the PB-1000 emulator
- 2021/12/29: version 26 of the PB-2000C emulator
- 2021/12/28: New document: Tandy Technical Bulletin concerning the PC-4 1kB RAM pack versions
- 2021/12/15: New document: Original service manual for the Casio FX-702P
- 2021/12/11: Access to all memory on the Casio FX-8500G
- 2021/08/29: New documents: card OM-54A - CASL/COMET manual, partially commented ROM disassembly listing
- 2021/07/21: MD-100 and FA-7 compatible USB interface - updated description
- 2021/04/28: version 48 of the PB-1000 emulator
- 2021/04/28: version 24 of the PB-2000C emulator
- 2021/03/20: comments to the Casio FX-7500G and the Casio FX-8000G ROM disassembly listings - stacks for commands, numeric values and subroutines
- 2021/02/18: Casio FX-8000G assembly language manual - instructions SWPM, XCHSM, XCLSM
- 2021/02/06: fixed a bug of the [DT] and [CL] keys handling in the FX-8000G ROM listing at address &H1484, updated the ROM image file "rom0.bin" in the emulator
- 2020/10/08: BASIC+CASL language card for the PB-2000C emulator - out-of-range decimal numbers error handling
- 2020/09/24: New file: CASL language card OM-54A for the PB-2000C emulator
- 2020/09/21: PB-2000C / AI-1000 - undocumented commands
- 2020/09/10: Casio FX-700P hardware - cassette tape interface command "Carrier detected", terminology
- 2020/01/13: New document: Casio SFR-20 circuit diagram
