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Z80

106 bytes added, 4 February
/* The Decode ROM (PLA) */
*note3: CMOS offers the feature to build rather complex gates with multiple inputs in a simple way - to some extend this is maybe the most unique feature about the Z80 design.
See: [https://static.righto.com/files/z80-pla-table.html Z80 instruction decode PLA table] [https://www.righto.com/2016/02/reverse-engineering-arm1-instruction.html ARM1, Z80, 6502 instruction sequencing compared] [https://www.righto.com/2014/09/why-z-80s-data-pins-are-scrambled.html Why Z80's data pins are scrambled]
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