I'm currently working on a Z80 card for the Commodore C64 to be able to use CP/M 2.2. The whole thing is based on a CPLD and a 8MHz Z80 processor. Currently, the project is in beta phase. I would ...

A CP/M 2.2 operating system emulator that runs legacy 8-bit CP/M applications on modern systems. Features both Intel 8080 and Zilog Z80 CPU emulation with comprehensive BDOS/BIOS support. Supported ...

TIOBE Index for December 2025: Top 10 Most Popular Programming Languages Your email has been sent December’s TIOBE Index lands with a quieter top tier but a livelier shuffle just beneath it. The main ...

Will Kenton is an expert on the economy and investing laws and regulations. He previously held senior editorial roles at Investopedia and Kapitall Wire and holds a MA in Economics from The New School ...

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Marguerita is a Certified Financial Planner (CFP), Chartered Retirement Planning Counselor ...

We noted that Excel turned 40 this year. That makes it seem old, and today, if you say “spreadsheet,” there’s a good chance you are talking about an Excel spreadsheet, and if not, at least a program ...

Lava Z80 mobile was launched in October 2017. The phone comes with a 5.00-inch touchscreen display offering a resolution of 720x1280 pixels at a pixel density of 294 pixels per inch (ppi). Lava Z80 is ...