How many registers does a 6502 have?
The 6502 used in the NES was a second source version by Ricoh, a partial system-on-a-chip, that lacked the binary-coded decimal mode but added 22 memory-mapped registers and on-die hardware for sound generation, joypad reading, and sprite list DMA.
What is the name of the man who lead the team that designed the first CMOS version of the 6502?
The 6502 was developed at MOS Technology by a team of designers led by Bill Mensch, who had left Motorola because the company was convinced the high cost of its 6800 chip was a barrier to high volume adoption.
Are 6502 processors still used?
It’s Still in Production These are being used in all sorts of commercial devices, including external sound interfaces from companies like MOTU, medical devices and scanners, hand-held games and more. Bill Mensch is one of the holders of the 6502 patent, so who better to work on it today than him.
Is 6502 a RISC?
Several (common) characteristics of RISC were identified, and the article ultimately concluded that the 6502 was not RISC. One characterstic was a large number of general purpose registers.
Are 6502 processors still manufactured?
It’s Still in Production The Western Design Center, Inc, founded by Bill Mensch of Motorola and MOS fame, sells modern versions of the 6502 in both the classic 40 pin DIP package (appears to be pin-compatible with the original), as well as more modern surface mount packages.
Is 6502 Assembly still used?
They are still found as embedded cores in computer mouses and keyboards, monitors (OSD processor/scaler), digital picture frames (https://spritesmods.com/?art=picframe&page=1), MP3 players, Furby (https://news.ycombinator.com/item?id=17751599 , actually a 6502-subset) etc.
What is the 6502 used for today?
What is a 6502 assembler?
6502 assembly is a very low-level language that works specifically for the 6502 microprocessor — a very popular processor from the 1970s.