Re: A83: Many Idealistic Questions And Stuff...
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Re: A83: Many Idealistic Questions And Stuff...
Well, we don't use it very much, but the ROM routines use it A LOT, all the
time. So it's a real time/space saver. And why use iy ourselves, anyway? I've
never yet come across a situation in which I need two index registers...
Linus
On 09-Aug-98, Hannes Edfeldt wrote:
>> Without having to set iy to 8000h again! Wouldn't it be clever to have iy
>> pointing to the system flags all the time, so you won't need to initialize
>it
>> at all? Well, that's exactly what the system does for you!
>Wouldn't it be clever if the system didn't have iy pointing to the system
>flags all the time? So you didn't have to push iy and disable interrupts
>before you could use iy as a normal register? Especially since it's not
>that often you need to change those flags really.
>;)
>--
>Hannes Edfeldt * movax@algonet.se
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