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cerinta1.asm
294 lines (228 loc) · 3.21 KB
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cerinta1.asm
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.data
formatScanf: .asciz "%s"
formatPrintfnumere: .asciz "%d "
formatPrintfsiruri: .asciz "%s "
formatminus: .asciz "%s"
null: .asciz "\n"
let: .asciz "let"
div: .asciz "div"
mul: .asciz "mul"
add: .asciz "add"
sub: .asciz "sub"
minus: .asciz "-"
sir1: .space 101
ch1: .space 20
ch2: .space 20
.text
.global main
main:
pushl $sir1
pushl $formatScanf
call scanf
popl %ebx
popl %ebx
xorl %eax, %eax
xorl %ebx, %ebx
xorl %ecx, %ecx
movl $sir1, %edi
etfor:
movb (%edi, %ecx, 1), %al
cmp $0, %al
je exit
cmp $56, %al
je numarp
cmp $57, %al
je numarn
cmp $65, %al
je variabila
cmp $67, %al
je operatie
incrementare:
incl %ecx
xorl %eax, %eax
xorl %ebx, %ebx
jmp etfor
numarp:
incl %ecx
movb (%edi, %ecx, 1), %bl
subb $48, %bl
cmp $9, %bl
jg etch1
cont1:
movl %ebx, ch1
movl $16, %eax
xorl %edx, %edx
mull ch1
incl %ecx
movb (%edi, %ecx, 1), %bl
subb $48, %bl
cmp $9, %bl
jg etch2
cont2:
addl %ebx, %eax
movl %eax, ch1
pushl %ecx
pushl ch1
pushl $formatPrintfnumere
call printf
popl %ebx
popl %ebx
popl %ecx
jmp incrementare
etch1:
subb $7, %bl
jmp cont1
etch2:
subb $7, %bl
jmp cont2
numarn:
incl %ecx
movb (%edi, %ecx, 1), %bl
subb $48, %bl
cmp $9, %bl
jg etch3
cont3:
movl %ebx, ch1
movl $16, %eax
xorl %edx, %edx
mull ch1
incl %ecx
movb (%edi, %ecx, 1), %bl
subb $48, %bl
cmp $9, %bl
jg etch4
cont4:
addl %ebx, %eax
movl %eax, ch1
pushl %ecx
pushl $minus
pushl $formatminus
call printf
popl %ebx
popl %ebx
pushl ch1
pushl $formatPrintfnumere
call printf
popl %ebx
popl %ebx
popl %ecx
jmp incrementare
etch3:
subb $7, %bl
jmp cont3
etch4:
subb $7, %bl
jmp cont4
variabila:
incl %ecx
movb (%edi, %ecx, 1), %bl
subb $48, %bl
cmp $9, %bl
jg etch5
cont5:
movl %ebx, ch1
movl $16, %eax
xorl %edx, %edx
mull ch1
incl %ecx
movb (%edi, %ecx, 1), %bl
subb $48, %bl
cmp $9, %bl
jg etch6
cont6:
addl %ebx, %eax
movl %eax, ch1
pushl %ecx
pushl $ch1
pushl $formatPrintfsiruri
call printf
popl %ebx
popl %ebx
popl %ecx
jmp incrementare
etch5:
subb $7, %bl
jmp cont5
etch6:
subb $7, %bl
jmp cont6
operatie:
addl $2, %ecx
movb (%edi, %ecx, 1), %al
cmp $48, %al
je etlet
cmp $49, %al
je etadd
cmp $50, %al
je etsub
cmp $51, %al
je etmul
cmp $52, %al
je etdiv
etlet:
pushl %eax
pushl %ecx
pushl $let
pushl $formatPrintfsiruri
call printf
popl %ebx
popl %ebx
popl %ecx
popl %eax
jmp incrementare
etadd:
pushl %eax
pushl %ecx
pushl $add
pushl $formatPrintfsiruri
call printf
popl %ebx
popl %ebx
popl %ecx
popl %eax
jmp incrementare
etsub:
pushl %eax
pushl %ecx
pushl $sub
pushl $formatPrintfsiruri
call printf
popl %ebx
popl %ebx
popl %ecx
popl %eax
jmp incrementare
etmul:
pushl %eax
pushl %ecx
pushl $mul
pushl $formatPrintfsiruri
call printf
popl %ebx
popl %ebx
popl %ecx
popl %eax
jmp incrementare
etdiv:
pushl %eax
pushl %ecx
pushl $div
pushl $formatPrintfsiruri
call printf
popl %ebx
popl %ebx
popl %ecx
popl %eax
jmp incrementare
exit:
pushl $0
call fflush
popl %ebx
pushl $null
pushl $formatPrintfsiruri
call printf
popl %ebx
popl %ebx
movl $1, %eax
xorl %ebx, %ebx
int $0x80