Self modifying code, lambda calculus - Re: ENIAC programming

[Rod Smallwood]

On 19/09/2015 14:03, Paul Koning wrote:
>> On Sep 19, 2015, at 5:25 AM, Rod Smallwood <rodsmallwood52 at btinternet.com> wrote:
>>
>> Is an overlay self modifyig code?
> Yes (#2 in my list), but a controlled kind so it doesn't suffer from the maintainability issues of explicitly modified instructions.  But it does require I-cache management, if the computer has an I-cache.  Not all that likely; a machine small enough that overlays are valuable isn't all that likely to have an I-cache.
>
> 	paul
>
Its a while back but I seem to remember in BASIC you replaced a set of 
line numbers with another of the same range but different code.

Rod

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