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Help with Sparc Assembly language
looking for tutorials or interactive cd's etc

 7:32 pm on Sep 28, 2003 (gmt 0)


I am taking an assembly class and I am wondering if anyone has any recommendations for interactive tutorials for the Sparc assembly language. I have a book but it is incredibly dull and quite complicated.

I know the language itself is hard at first but I feel as though I can do better if there was a video or interactive cd available.




 8:55 pm on Oct 2, 2003 (gmt 0)


I saw something along the lines of assembly language *somewhere* for SPARC, and I can't remember where, but, I have a good feeling that it may be available on MIT's OCW site...

Even if you can't find it, you may find other things that are useful there...

Here it is: MIT's Open CourseWare [ocw.mit.edu]



 9:05 pm on Oct 2, 2003 (gmt 0)

SPARC assembly is the least painful one to learn of all, being a RISC architecture. It is very much like programming straight C, all you have to do is a bit more math. (Programming assembly isn't easy, its just that a register-based RISC machine is easier than a stack-based CISC machine like an x86).

Sun's SPARC Assembly Language Reference Manual [docs.sun.com] may be helpful, along with a google search for "sparc assembly". Also, check out the book "SPARC Architecture, Assembly Language Programming, and C (2nd Edition)", I found it easy to read and learn from, much like the K&R book.


 9:44 pm on Oct 2, 2003 (gmt 0)

Hmm I'm pretty fluent in cisc assembly, but I can't imagine how to learn it from a video.

Try gettign some simple example codes that do "cool stuff" I found motivation is the beggest problem, and once you do "cool stuff" you'll learn a lot quickly and enjoy it too.

try finding somebody in your area who's into it and see if he'll give yo ua tutorial.



 3:13 am on Oct 29, 2003 (gmt 0)

Within the program, I am using the following code:

cmp %l4, %l0
bne Loop

When I try to compile the code, I receive the following. Does anyone by any chance know what exactly that means? I cannot find any text on it within my book or the web.

warning: invalid use of DCTI couple, produces implementation-dependent result


 1:24 pm on Oct 29, 2003 (gmt 0)

The way the code is used is. I actually did this as a project but realized that once compare is added, I get the error.
.global RotateStr

save %sp, -128, %sp

! Reset usable registers to zero
clr %l0
clr %l1
clr %l2
clr %l4

add %l2, -1, %l1
! Load last char into register
ldub [%i0 + %l1], %l4

! Shifting chars to the right
! Add negative one to register l1
add %l1, -1, %l1

! Add negative one to register l2
add %l2, -1, %l2

! Store last char back into memory
stb %l4, [%i0 + %l2]

! Make sure first spot is clear
! Compare l2 to zero if not equal loop again
cmp 0, %l2
bne Loop

! Counter
cmp %l4, %l0
bne Loop


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