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To: General Discussion: On-Topic Posts
Subject: Re: An interesting use of the 4004 instructions
> On Dec 15, 2016, at 2:52 PM, dwight wrote:
>
> I was looking at some disassembled 4004 code when I came across
>
> a SKIP operation.
>
> It isn't normally an instruction
> On Dec 15, 2016, at 2:52 PM, dwight wrote:
>
> I was looking at some disassembled 4004 code when I came across
>
> a SKIP operation.
>
> It isn't normally an instruction but If you do a JCN with all the = 0,
>
> it will do a NEVER jump.
>
> This is the equivalent of a SKIP instruction
I was looking at some disassembled 4004 code when I came across
a SKIP operation.
It isn't normally an instruction but If you do a JCN with all the = 0,
it will do a NEVER jump.
This is the equivalent of a SKIP instruction.
I would suppose a JCN with = $8000 would be an always jump,