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load/read/ commands assembly PowerPC. Help Needed!

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LatDrIvE

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Hello all,

I am trying to load a 32bit data (word) from the PortB of a BRAM to a GPR (general purpose register) of the PowerPC.

Address Map for Processor ppc405_0
(0b0000010000-0b0000010011) ppc405_0
(0b0000100000-0b0000100011) ppc405_0
(0xa0008000-0xa000ffff) docm_cntlr docm
(0xffff8000-0xffffffff) iocm_cntlr iocm

i am using the LWZ command like LWZ r1, r1 (0xa0008001) but is not working. which is the right syntax for the specific adresses?

regards
 

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