Re: [stella] sta.w

Subject: Re: [stella] sta.w
From: Tim Böscke <t.boescke@xxxxxxxxxxxxx>
Date: Sat, 17 Feb 2001 22:40:18 +0100
> 
> Perfect. BTW that's why addresses are stored with the low byte first
> ($ff00 is stored as $00 $ff). The 6502 can always read two bytes per
> instruction. Only when the instruction is for an addressing mode that
> needs the high byte too, the third byte gets read, using another cycle.

So? I always thought this was because it is easier to calculate 16 bit 
adresses with a 8 bit alu when you start with the lsb. The other way
round carry propagation gets a bit difficult :)




-
Archives (includes files) at http://www.biglist.com/lists/stella/archives/
Unsub & more at http://www.biglist.com/lists/stella/

Current Thread