Subject: Re: [stella] Starmaster disassembled From: Chris Wilkson <ecwilkso@xxxxxxx> Date: Wed, 1 Aug 2001 00:36:35 -0400 (EDT) |
On Tue, 31 Jul 2001, Thomas Jentzsch wrote: > BTW: Did someone else look at the code? > It seems that Alan Miller didn't know all opcodes of > the 650x well . He is always using CLC, ROR instead of > a simple LSR. Funny, isn't it? I haven't seen the code. Is he using it for cycle counting? Does he use the carry bit soon after? Not the best way to check bit 7 (BNE, BEQ are better) but he might want to use the value of that bit in an ADC later...??? -Chris - Archives (includes files) at http://www.biglist.com/lists/stella/archives/ Unsub & more at http://www.biglist.com/lists/stella/
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