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| From: Rachy (all posts)
Date: 1998-09-07
Subject: FF30, timers, FF11
|
Ahoj!
Problems after problems...
Thanks to Crown I successfully solved problems with the joystick emulation, and now I am on the way to find out, why this or that program does not work on the emulator.
I found at first that some programs (eg. Elite by Pigmy) access $FF30-
$FF3D part of memory. As far as I know there is nothing to access.
What should I emulate there?
An other problem: I was not able to code proper emulation of timers.
Usually cause no problems at all, except timer-based protectors. (I wrote at least 3 of them in '92... ;)
So please tell me: after the write to the $ff00 and $ff01, when will the timer start? (Right after, some delay, or before the end of the opcode?)
Problems with digi: Crown wrote once, there are intermediate levels between the 9 level of FF11, and can be accessed in several values written in. Can anybody send me a(n almost) correct table of levels for each value between $80-$ff?
Thanks in advance:
Rajnai Almos
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| Rachy of Bi0Hazard | Only Amiga makes it |TankcsapdaMeta| F0NT! |
|e-mail: racs@fs2.bdtf.hu | possible! |llicaHelloween| Editor|
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