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Question 4 Consider the following MIPS assembly language snippet. The numbers to the left of each instruction indicate the instruction address.. 0x00400028 add $a0, $al, $0 0x0040002C jal f2 0x00400030 fl: jr $ra 0x00400034 f2: sw $s0, 0($s2) 0x00400038 bne $a0, $0, else 0x0040003C j fl 0x00400040 else: addi $a0, $a0, -1 0x00400044 j f2 a. Translate the instruction sequence into machine code. Write the machine code instructions in hexadecimal. b. List the addressing mode used at each line of code. Name Register Number $0 0 $at 1 $v0-$v1 2-3 $a0-$a3 4-7 $t0-$t7 8-15 $s0-$s7 16-23 $t8-$t9 24-25 $k0-$k1 26-27 $gp 28 $sp 29 $fp 30 $ra 31

          Question 4
Consider the following MIPS assembly language snippet. The numbers to the left of each instruction indicate the instruction address..
0x00400028 add $a0, $al, $0
0x0040002C jal f2
0x00400030 fl: jr $ra
0x00400034 f2: sw $s0, 0($s2)
0x00400038 bne $a0, $0, else
0x0040003C j fl
0x00400040 else: addi $a0, $a0, -1
0x00400044 j f2
a. Translate the instruction sequence into machine code. Write the machine code instructions in hexadecimal.
b. List the addressing mode used at each line of code.
Name Register Number
$0 0
$at 1
$v0-$v1 2-3
$a0-$a3 4-7
$t0-$t7 8-15
$s0-$s7 16-23
$t8-$t9 24-25
$k0-$k1 26-27
$gp 28
$sp 29
$fp 30
$ra 31

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Question 4
Consider the following MIPS assembly language snippet. The numbers to the left of each instruction indicate the instruction address..
0x00400028 add a0,al, 0
0x0040002C jal f2
0x00400030 fl: jrra
0x00400034 f2: sw s0, 0(s2)
0x00400038 bne a0,0, else
0x0040003C j fl
0x00400040 else: addi a0,a0, -1
0x00400044 j f2
a. Translate the instruction sequence into machine code. Write the machine code instructions in hexadecimal.
b. List the addressing mode used at each line of code.
Name Register Number
0 0at 1
v0-v1 2-3
a0-a3 4-7
t0-t7 8-15
s0-s7 16-23
t8-t9 24-25
k0-k1 26-27
gp 28sp 29
fp 30ra 31

Added by Brenda W.

Computer Science and Information Technology

Trishna Knowledge Systems 2018 Edition

Instant Answer

Solved by Expert Mohan Jain

Step 1

We'll start with the first instruction and proceed through each one, converting them into their hexadecimal machine code equivalents. - `add $a0, $a1, $0` translates to `0x00851820`. This is because the `add` instruction is an R-type instruction with opcode Show more…

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Consider the following MIPS assembly language snippet. The numbers to the left of each instruction indicate the instruction address. 0x00400028 add $a0, $a1, $0 0x0040002C jal f2 0x00400030 f1: jr $ra 0x00400034 f2: sw $s0, 0($s2) 0x00400038 bne $a0, $s0, else 0x0040003C j f2 0x00400040 else: addi $a0, $a0, -1 0x00400044 j f2 a. Translate the instruction sequence into machine code. Write the machine code instructions in hexadecimal 0x00400028: 0x00851820 0x0040002C: 0x0C000000 0x00400030: 0x03E00008 0x00400034: 0xAC100000 0x00400038: 0x10800002 0x0040003C: 0x08000003 0x00400040: 0x2084FFFF 0x00400044: 0x08000003 b. List the addressing mode used at each line of code. 0x00400028: Register-Register 0x0040002C: Jump and Link 0x00400030: Jump Register 0x00400034: Store Word 0x00400038: Branch Not Equal 0x0040003C: Jump 0x00400040: Add Immediate 0x00400044: Jump

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