Subject: Re: Aw: Re: [stella] need 16-bit math for JoustPong? From: KirkIsrael@xxxxxxxxxxxxx Date: 7 Feb 2004 05:56:57 -0000 |
> From: <KirkIsrael > > > But after a stern talking to from Andrew Davies ;-) I'm renouncing > > my heretical "big endian" ways, though high byte last still seems > > awfully weird to me. > > Little endian makes sense when you consider how the indexed & indirect > addressing modes work. Fetch the first byte (address LSB) add the X or Y > register while fetching the second byte (address MSB), if there is a carry > take an extra cycle handling that (page boundary penalty), then fetch/store > from the destination address. I know *that* makes sense, I guess it's just the mental image of all 16 bits not being "in order"... anyone have a chance to look at my "kernal klunk" post and figure out what I'm missing? -- KirkIsrael@xxxxxxxxxxxxx http://kisrael.com "Look for me first, in any crowded room, and I'll do the same" --Lyle Lovett, The Opposite of Sex ---------------------------------------------------------------------------------------------- Archives (includes files) at http://www.biglist.com/lists/stella/archives/ Unsub & more at http://www.biglist.com/lists/stella/
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