* EIP and IMP can be fusioned into a 3-bit internal state as there are only 7 possible values for the prefixes (none, ed, dd, fd, cb, ddcb, fdcb). Probably not a win though as it makes everything more confusing.
* IFF1 / IFF2 are called IEF1 / IEF2 (Interrupt Enable Flip-flops) in the Zilog eZ80 manual.
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== Adderssing Modes ==
Many instructions, such as arithmetic instructions or loads, include more than one operand. In these cases, two different types of addressing can be employed in the same instruction.
For example, LD (HL),42 uses Immediate Addressing to specify the source and Register Indirect Addressing to specify the destination.
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