CZ80CPU Overview
Implements a fast, fully-functional, single-chip, 8bit microprocessor with the same instruction set as the Z80. The core has a 16-bit address bus capable of directly accessing 64kB of memory space. It has 252 root instructions with the reserved 4 bytes as prefixes, and accesses an additional 308 instructions.
CZ80CPU Key Features
- Register File Unit o o Duplicate set of both general purpose and flag registers Two 16-bit index registers
- Interrupt Controller o o Three modes of maskable interrupts Non maskable interrupt
- External Memory interface o o o Can address up to 64 KB of program memory Can address up to 64 KB of data memory Can add
- On-core dynamic memory refresh counter