Intel汇编语言程序设计课后习题,6.5.5

把C语言翻译成汇编语言

if(dx<=cx)
   x=1
else
   x=2

main PROC
    mov edx,4
    mov ecx,5
    cmp edx,ecx
    jle L1
    mov x,2
    jmp next
L1:
    mov x,1
next:
    mov eax,x
    call WriteDec
    ret
main endp

if(bx>cx)
   x=1

    mov eax,4
    mov ebx,5
    cmp eax,ebx
    jg next
    mov x,1
    mov eax,x
    call WriteDec
next:
    ret

if(Val1>cx  AND cx>dx)
   X=1
else
   X=2

.data
X     DWORD     ?
Val1      DWORD     9
.code

main PROC
    mov ecx,8
    mov edx,7
    cmp Val1,ecx
    jle next
    cmp ecx,edx
    jle next
    mov X,2
    jmp L2
next:
    mov X,1
L2:
    mov eax,X
    call WriteDec
    ret
main endp

if(bx>cx OR bx>VAL1)
   X=1
else
　　X=2

.data
X     DWORD     ?
Val1      DWORD     9
.code

main PROC
    mov ebx,5
    mov ecx,6
    cmp ebx,ecx
    jg  L1
    cmp ebx,Val1
    jg  L1
    mov X,2
    jmp next
L1:
    mov X,1
next:
    mov eax,X
    call WriteDec
    ret
main endp

if(bx>cx AND bx>dx) OR (dx>ax)
   X=1
else
   X=2

main PROC
    mov ebx,5
    mov ecx,6
    mov edx,7
    mov eax,8
    cmp edx,eax
    jg L1
    
    cmp ebx,ecx
    jle L2
    cmp ebx,edx
    jle L2
L1:
    mov X,1
    jmp next
L2:
    mov X,2
    jmp next
next:
    mov eax,X
    call WriteDec
    ret
main endp