even I got the same result when I compiled but I do not know the exact
reason...
----- Original Message -----
From: George Kadziolka
To: 'Sundar S.' ; a...
Sent: Wednesday, August 30, 2006 6:06 PM
Subject: RE: [adsp] Facing problem in ASHIFT instrauction in BF533
Sundar,
This is from the Programmers Ref Manual
The "ASHIFT" versions can shift 32-bit Dreg and 40-bit Accumulator
registers by up to -32 through +31 places.
This means only 6 LS bits are used from R3.L. 0xFFDD is interpreted as
0x001D, which is +29, and hence, the correct result that you see (0xEF00000000)
in A0.
Cheers,
George
------
From: a... [mailto:a...] On Behalf Of Sundar S.
Sent: Wednesday, August 30, 2006 4:15 AM
To: a...
Cc: Sundar S.
Subject: [adsp] Facing problem in ASHIFT instrauction in BF533
Hi,
When I run the below small example in BF533 processor, I am getting the value
incorrect.
Asm_code.asm:
r1.h = 0x3E5A;
r1.l = 0x2778;
A0 = R1;
R3.L = 0XFFDD; // -35 in decimal
R3 = R3.L(X);
A0 = ASHIFT A0 BY R3.L;
Can any tell me why the output of accumulator is not zero.
Regards
Sundar.SS
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