Recent updates to this site

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 the 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