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Assembly Language 2. Each of these problems gives before conditions and an instruction. Give the indicated after state. Before Instruction executed After (a) ECX: 00

Assembly Language

2. Each of these problems gives "before" conditions and an instruction. Give the indicated "after" state.

Before

Instruction executed

After

(a)

ECX: 00 00 BF 7A

mov ecx, -89

ECX

(b)

ECX: 00 00 BF 7A

mov ecx, 984

ECX

(c)

EAX: 12 34 56 78

EDX: 9A BC DE F0

xchg ax, dx

EAX

EDX

(d)

EAX: FF FF FF C8

add eax, 56

EAX

SF __

ZF__

CF__

OF__

(e)

EDX: 00 00 02 E9

inc edx

EDX

SF __

ZF__

(f)

EBX: FF FF FF 3B

neg ebx

EBX

SF __

ZF__

(g)

EAX: 01 23 45 67

ECX: 89 AB CD EF

sub eax, ecx

EAX

SF __

ZF__

CF__

OF__

(h)

AX: 12 34

CX: 7A BC

CF: 1

adc ax, cx

AX

CX

SF __

ZF__

CF__

OF__

(i)

EAX: 00 00 00 0A

EBX: FF FF FF FC

EDX: FF 03 FF 01

imul ebx

EAX

EDX

CF,OF __

(j)

EAX: 00 00 00 10

ECX: FF FF FF FD

EDX: FF 03 FF 01

mul ecx

EAX

EDX

CF,OF __

(k)

EAX: 00 00 00 0A

EBX: 00 00 00 0C

EDX: FF 03 FF 01

imul eax,ebx

EAX

EDX

CF,OF __

(l)

EAX: 00 00 0E AA

ECX: 00 00 00 1B

EDX: 00 00 00 00

div ecx

EAX

EDX

(m)

EAX: 00 00 0F CA

EBX: 00 00 00 0D

EDX: 00 00 00 00

idiv ebx

EAX

EDX

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