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Atari coding BBS
| Re: Safe Loading Address |
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Posted by: Leonard
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Apr,03.2012-00:04
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Hi,
As ggn said, $140 is fine, you can even use $138 (because $134 is used for TimerA).
If you really want to be a low-memory warrior you can play with the MFP Vector Base register ( $FFFA17 ). TOS set it to $40 at boot time, so it map MFP interrupts from $100 to $140. Just set it to $10 and MFP vectors are located from $40 to $80 ( so for instance TimerB vector is $60 and timerA is $74 ).
so you could load your code or data at $78 :)
Of course, of all this is valid on ST/STE, not Falcon
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