Created
March 25, 2012 23:36
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Programs to test 273 A3 assignment
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| # To use, first add your evaluateP and power functions to the bottom of the | |
| # file where specified. | |
| # Next, edit the values of POLYORDER, COEFFICIENTS, and ARGX to whatever you | |
| # want. Test what the polynomial will return with something like wolfram alpha | |
| # and then assemble it in Mars and run it. The program just returns the final | |
| # value. | |
| .data | |
| ZERO: .float 0.0 | |
| ONE: .float 1.0 | |
| result: .asciiz "Result: " | |
| # ARGUMENTS -- Edit these! | |
| POLYORDER: .word 3 # order of polynomial | |
| COEFFICIENTS: .word 5,2,-2,-3 # integer coefficient of highest order | |
| ARGX: .float 3.2 # value of x in polynomial | |
| # -- | |
| .text | |
| #.align 2 | |
| .globl main | |
| main: | |
| # $f23 stores zero | |
| la $t0, ZERO | |
| lwc1 $f23, 0($t0) | |
| # put x into $f12 | |
| la $t0, ARGX | |
| lwc1 $f12, 0($t0) | |
| addi $sp, $sp, -4 | |
| sw $ra, 0($sp) | |
| # call function evaluateP | |
| jal evaluateP | |
| # print message | |
| li $v0, 4 | |
| la $a0, result | |
| syscall | |
| # move result from $f0 to $f12 | |
| add.s $f12, $f23, $f23 | |
| add.s $f12, $f12, $f0 | |
| # print result | |
| li $v0, 2 | |
| syscall | |
| # end program | |
| end: | |
| li $v0, 10 | |
| syscall | |
| evaluateP: | |
| # PASTE YOUR evaluateP FUNCTION HERE | |
| power: | |
| # PASTE YOUR power FUNCTION HERE |
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| # To use, first add your power function to the bottom of the file. | |
| # Next, edit the values of ARGX and ARGN. These represent x and n (x^n) | |
| # Assemble in Mars and run and it will print the result of x^n | |
| .data | |
| ZERO: .float 0.0 | |
| ONE: .float 1.0 | |
| up: .asciiz "^" | |
| equals: .asciiz " = " | |
| # ARGUMENTS (X^N) -- Edit these! | |
| ARGX: .float 4.0 | |
| ARGN: .word 1 | |
| # -- | |
| .text | |
| #.align 2 | |
| .globl main | |
| main: | |
| # $f23 stores zero | |
| la $t0, ZERO | |
| lwc1 $f23, 0($t0) | |
| # set args | |
| la $t0, ARGX | |
| lwc1 $f12, 0($t0) | |
| la $t0, ARGN | |
| lw $a0, 0($t0) | |
| addi $sp, $sp, -4 | |
| sw $ra, 0($sp) | |
| # call function power | |
| jal power | |
| # print x | |
| la $t0, ARGX | |
| lwc1 $f12, 0($t0) | |
| li $v0, 2 | |
| syscall | |
| # print ^ | |
| li $v0, 4 | |
| la $a0, up | |
| syscall | |
| # print n | |
| la $t0, ARGN | |
| lw $a0, 0($t0) | |
| li $v0, 1 | |
| syscall | |
| # print = | |
| li $v0, 4 | |
| la $a0, equals | |
| syscall | |
| # move result from $f0 to $f12 | |
| add.s $f12, $f23, $f23 | |
| add.s $f12, $f12, $f0 | |
| # print result | |
| li $v0, 2 | |
| syscall | |
| # end program | |
| end: | |
| li $v0, 10 | |
| syscall | |
| power: | |
| # PASTE YOUR power FUNCTION HERE |
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