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TheNattak

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Refresh objects command
« on: August 29, 2012, 06:22:06 PM »
Question:
Does the 'Refresh objects' command ($45) serve any purpose at all?
I see it used all the time in the code after showing and hiding objects, but it doesn't seem to do anything at all...
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Lenophis

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Re: Refresh objects command
« Reply #1 on: September 02, 2012, 12:40:44 AM »
Well, if you don't think it does anything, go ahead and get rid of it. You probably won't like the results, though.
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assassin

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Re: Refresh objects command
« Reply #2 on: September 02, 2012, 01:32:06 AM »
per the Event Commands doc:
http://www.angelfire.com/al2/imzogelmo/Event_Commands.txt
its "description is dubious".

what does it do, then?  i know from map alterations that if you do just do Command $73, which refreshes immediately after making its changes, you don't need to do Command $75 (Refresh map) afterwards.  but if there are any instances of Command $74 in there, which doesn't refresh immediately, you will have to perform Command $75 after.

but i can't find any object commands equivalent to $73 and $74, so i'm not sure how analogous Command $45 is to $75.
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Lenophis

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Re: Refresh objects command
« Reply #3 on: September 02, 2012, 01:12:13 PM »
Let's see if we can figure stuff out then:
Code: [Select]
Refresh objects
(gen. act. 45)

C0/9CE2: A901    LDA #$01
C0/9CE4: 8D9807  STA $0798
C0/9CE7: 4C5C9B  JMP $9B5C
Doing searches for all instances of $0798 gives only 1 with a read, C0/9A75. The code following this will execute only if $0798 is zero. Sadly, I have nothing else on this, though I was now able to do some code optimizations to PB's assembly of the bank. :tongue:
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