John VanSickle nous apporta ses lumieres en ce 2007/11/30 16:35:
> Orchid XP v7 wrote:
>> I'm just being nosy now... How do you call OS functions on Windoze?
>>
>>
>> Back in the days of the Commodore 64, the "operating system" (I use 
>> the term loosely) was stored in a big ROM chip. To call the OS 
>> (assuming you actually wished to do such a thing!) you simply jump to 
>> the right magic address. Since it's in ROM, it never moves. And 
>> indeed, you could buy big tables of addresses and the expected 
>> parameters...
> 
> Commodore released a manual for the C64 that had EVERYTHING about the 
> machine, including schematics.  It contained everything you needed to 
> write any application.
> 
Apple did the same with the Apple ][. In fact, one of the included manuals 
included the source code of the ROM and the scematics. Still have them.
There where also several third party sources for much of what's in the Applesoft 
basic ROM.


-- 
Alain
-------------------------------------------------
A true friend is someone who reaches for your hand and touches your heart.

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