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WIP: microcode sequences.#144

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larsbrinkhoff wants to merge 5 commits into
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larsbrinkhoff:u_sequence
Open

WIP: microcode sequences.#144
larsbrinkhoff wants to merge 5 commits into
nocrew:masterfrom
larsbrinkhoff:u_sequence

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@larsbrinkhoff

@larsbrinkhoff larsbrinkhoff commented Apr 28, 2016

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I haven't had much time to work on this. I'm just posting this work-in-progress to make it visible.

@larsbrinkhoff

larsbrinkhoff commented Apr 28, 2016

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So far, only one instruction, EXG, has been converted to using u_start_sequence.

Note that the instruction calls u_start_sequence once for every microcycle. In the future, this may be changed to make the call only once, and have cpu.c advance the microengine state machine.

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Added CLR.

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