Re: Re: A86: Re: self-modifying code

To: assembly-86@lists.ticalc.org
Subject: Re: Re: A86: Re: self-modifying code
From: ComAsYuAre <ComAsYuAre@aol.com>
Date: Fri, 22 May 1998 14:49:16 EDT
Delivered-To: assembly-86-outgoing@towerguard.unix.edu.sollentuna.se
Reply-To: assembly-86@lists.ticalc.org



In a message dated 5/21/98 23:01:04, you wrote:

>
>That's not what's meant by "self-modifying code".  It means code that changes
>its own code, not data...
>Here's an example:
>
>command:
>bit 0,(hl)
>;blah blah blah
>;A now contains the bit # to check for
>ld hl,command+2   ;i.e. hl->the byte in the opcode that tells which bit to
check
>
>ld (hl),a    ;you just modified the code


how is the modified code accessible afterwards?  is it loaded into a or hl
when you jp to command?

Follow-Ups:

Re: Re: A86: Re: self-modifying code

From: Dan Eble <eble@cis.ohio-state.edu>

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