- Joined: 24 Jun 1999
- Posts: 1732
- Location: Paris, France
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About Snail.sms not working under Meka
Posted: Tue Mar 07, 2000 7:10 am
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This is the following to the mail I sent you, Eric.
I found out the problem, which is that the code does not poll the VDP Status register at the beginning of the interrupt handler. It is necessary and fixing it bring back the correct speed.
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Nyef
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Posted: Tue Mar 07, 2000 3:48 pm
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Quote > This is the following to the mail I sent you, Eric.
> I found out the problem, which is that the code does not poll the VDP Status register at the beginning of the interrupt handler. It is necessary and fixing it bring back the correct speed.
Let me guess, one VDP interrupt per "scanline" during VBlank? Or does it continue all the way down the screen?
Gotta love level-triggered interrupts. ^_^
--Nyef
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