What is the minimum amount of instructions you need in a CPU
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Re: What is the minimum amount of instructions you need in a
I wish there was a 16-bit RISC CPU that competed in price with the 65816. I think a RISC architecture with 8 16-bit registers and both a 16 bit data and address bus would've been pretty close to the 65816 in price. If you think about, the 65816 actually has 15 8-bit registers, just not arranged in the most orthogonal way.
Re: What is the minimum amount of instructions you need in a
Look into the MSP430.
Admittedly, I don't think it ever saw a version that can operate from external memory, so it's pretty strictly a microcontroller instead of microprocessor.
Admittedly, I don't think it ever saw a version that can operate from external memory, so it's pretty strictly a microcontroller instead of microprocessor.