[sdcc-devel] [ sdcc-Bugs-1493829 ] --xram-loc not working ?!

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Bugs item #1493829, was opened at 2006-05-23 22:37
Message generated for change (Settings changed) made by maartenbrock
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Category: linker
>Group: non bugs
>Status: Closed
>Resolution: Duplicate
Priority: 5
Submitted By: Vankata - Greece (vankata)
Assigned to: Nobody/Anonymous (nobody)
Summary: --xram-loc not working ?!

Initial Comment:
Hi guys,

First of all congratulations for the great job you are 
doing! It is pleasure to have and use your tool.
Recently I observed a problem that I would like to 
share with you. I hope I'm wrong but for me it seems 
that the linker's '--xram-loc' option doesn't work 
correctly.
I have an external 32KB RAM starting at 0x8000, where 
I would like to put an array. I don't send you my code 
but a small example that provokes similar behavior. 

-----------------------------------
void main()
{
 xdata unsigned char 	a[2000];
 unsigned char 		i;
 
 for(i=0; i<2000; i++)    a[i]=0;
}
-----------------------------------

I invoke the compiler with:

H:\>sdcc bug.c --xram-loc 0x8000

At line 152 of the bug.lst I expect:

   001C 34s80               152 	addc	a,#
(_main_a_1_1 >> 8)
           ^^
instead of: 

   001C 34s00               152 	addc	a,#
(_main_a_1_1 >> 8)
           ^^

Concerning the SDCC version, 'sdcc -v' gives me:

H:\>sdcc -v
SDCC : 
mcs51/gbz80/z80/avr/ds390/pic16/pic14/TININative/xa51/d
s400/hc08 2.5.6 #
(May 18 2006) (MINGW32)

I didn't find in the SDCC manual anything that can 
prompt me an eventual error of mine and after lots of 
trials I couldn't find a solution. I hope I am not 
loosing your time. Below you can find piece of the C 
source and the corresponding Assembler listing

Best regards, 

Ivan Buliev, Ph.D. 
University of Patras
Dept. of Medical Physics
Patras 26500
GREECE



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