Convert in machine code for MIPS LW S5, 33(S2); Add R1, T3, S5; Sub T4, S3,...

Convert in machine code for MIPS

LW S5, 33(S2);

Add R1, T3, S5;

Sub T4, S3, R3;

SW T4, 124(T7);

Expert Solution

Mips machine code conversion of

LW S5, 33(S2)

Syntax:	lw $t, offset($s)
Encoding:	`1000 11ss ssst tttt iiii iiii iiii iiii`

So here S5 is register r21 and S2 is r18

So source = S2 = 10010

Target S5 = 10101

Off set = 33 = 0000000000100001

Machine code = 10001110010101010000000000100001 = 0x8E550021

Add R1, T3, S5;

Syntax:	and $d, $s, $t
Encoding:	`0000 00ss ssst tttt dddd d000 0010 0100`

source = t3 = r11 = 01011

Target =S5 =r21 = 10101

Destination = r1 = 00001

Machine code = 00000001011101010000100000100100 = 0x01750824

Sub T4, S3, R3;

Syntax:	sub $d, $s, $t
Encoding:	`0000 00ss ssst tttt dddd d000 0010 0010`

source = s3 = r19 = 10011

Target =r3 = 00011

Destination = t4 = r12 = 01100

Machine code = 00000010011000110110000000100010 = 0x02636022

SW T4, 124(T7);

Syntax:	sw $t, offset($s)
Encoding:	`1010 11ss ssst tttt iiii iiii iiii iiii`

Source = t7 = r15 = 01111

Target = t4 = r12 = 01100

Offset = 124 = 0000000001111100

Machine code = 10101101111011000000000001111100 = 0xADEC007C

venereology answered 2 months ago

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