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Old 27 October 2016, 21:46   #1
Legionary
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Execbase & Memorychain

Kan someong give me a hint on how to remove fakefast in the memorychain so it dissapear? In other Word shut it of.

I made my own solution by allocating all available fast and try to take ass much fgast as possible. This "so called" no fast works in most cases but not all, therefore i need expertice help.

All those utility boots must remove it from the memorychain, but how? Can some one post a link on execs all functions (i've forgotten alot)

"Move.l $4.w,a6" (A Classic line)


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Old 27 February 2017, 00:35   #2
StingRay
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Note sure if this still is interesting to you but anyway, I'd simply patch Exec's AllocMem/AvailMem routines (using SetFunction) to disable any fast mem. AllocMem would simply always set the MEMB_CHIP and clear the MEMB_FAST bit, AvailMem just needs to set the MEMB_CHIP bit.
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Old 27 February 2017, 11:57   #3
roondar
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An excellent source on Amiga programming stuff is http://amigadev.elowar.com/. You can find the includes & autodocs (which contain all Exec functions among with everything else) there.
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Old 27 February 2017, 17:02   #4
nogginthenog
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Quote:
Originally Posted by Legionary View Post
Kan someong give me a hint on how to remove fakefast in the memorychain so it dissapear? In other Word shut it of.

I made my own solution by allocating all available fast and try to take ass much fgast as possible. This "so called" no fast works in most cases but not all, therefore i need expertice help.

All those utility boots must remove it from the memorychain, but how?
You are almost there.
I think you need to patch AvailMem() and AllocMem() and set the MEMF_CHIP flag (maybe clear MEMF_FAST also?)

p.s. You are familiar with the "NoFastMem" tool in the System folder right?
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Old 27 February 2017, 17:10   #5
StingRay
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Quote:
Originally Posted by nogginthenog View Post
I think you need to patch AvailMem() and AllocMem() and set the MEMF_CHIP flag (maybe clear MEMF_FAST also?)
Which is exactly what I already wrote!
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Old 27 February 2017, 17:30   #6
nogginthenog
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Sorry! Completely missed your post!
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Old 27 February 2017, 17:36   #7
meynaf
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Quote:
Originally Posted by nogginthenog View Post
p.s. You are familiar with the "NoFastMem" tool in the System folder right?
Personnally this is where i would start, even if it's just by disassembling it.
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