Re: Graphical WWW Browser for 8 bit Apple II computers

[hochstrasse@ubaclu.unibas.ch (Urs Hochstrasser)]

In article <19961126193200.OAA12296@ladder01.news.aol.com>,
rubywand@aol.com wrote:

>      The comparison: 16 to 8 = 8 to 4 is not really valid. Most data a GS
> processes is 8-bits wide and the 65C816 has an 8-bit data bus,
Hum I thought this is only the case with the 65802...  ^^^^^^^^


> A GS "16-bit program" of any size is going to include
> a lot of "8-bit code"; because 8-bit reads and writes are more efficient
> when dealing with 8-bit data.
Well I think we must differenciate. The data might be 8 bit (I'm not so
sure about it before having a closer look) but the data space is probably
bigger than 256 bytes (i.e. adressable with 8 bits), so 16 bit index
registers or 16 bit indirect adresses might be more efficient. The 65816
lets you do this, a 6502 not. And as someone else pointed out, management
of 'bigger' chunks of memory on an 8 bit Apple II is a nightmare and
reduces efficiency. On a GS you can use the memory manager, even without
using the rest of the Toolbox.

Cheers
--'get out of the reality distortion field' Cody :-)

_____________________________________________________________________
Urs Hochstrasser   ('Cody')    internet: hochstrasse@ubaclu.unibas.ch
Official Computer Wizard (CV) of the Botanical Institute Hebelstrasse
                  University of BASEL (Tel int. 7 23 32)
                webmaster of http://www.unibas.ch/bothebel
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