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masm
model small
.data
a DW -3
b DW 1
i DW 1
k DW 5
.stack 256
.code
;main proc
;main:
start:
mov ax,@data
mov ds,ax
xor ax,ax
.386
;i1 ==============================================
mov ax,a
mov bx,b
cmp ax,bx
jle f1_2
mov ax,i
sal ax,2
sub ax,7
jmp f1_exit
f1_2:
mov ax,i
sal ax,1
add ax,6
neg ax
f1_exit:
push ax
xor ax,ax
;i2 ==============================================
mov ax,a
cmp ax,bx
jle f2_2
mov ax,i
sal ax,2
add ax,3
jmp f2_exit
f2_2:
mov ax,i
sub ax,3
sal ax,1 
f2_exit:
push ax
xor ax,ax
;res ============================================= 
mov ax,k
cmp ax,0
jne f3_2
pop bx
pop ax
add ax,bx
neg ax
jl $-2
jmp f3_exit
f3_2: 
pop bx
pop ax
cmp ax,bx
jle f3_exit
mov ax,bx
f3_exit:
; exit:
mov ah,4ch
int 21h
;endp main
;end main
end start
 

prog.s: Assembler messages:
prog.s:1: Error: no such instruction: `masm'
prog.s:2: Error: no such instruction: `model small'
prog.s:4: Error: no such instruction: `a DW -3'
prog.s:5: Error: no such instruction: `b DW 1'
prog.s:6: Error: no such instruction: `i DW 1'
prog.s:7: Error: no such instruction: `k DW 5'
prog.s:8: Error: unknown pseudo-op: `.stack'
prog.s:9: Error: unknown pseudo-op: `.code'
prog.s:10: Error: no such instruction: `main proc'
prog.s:13: Error: invalid char '@' beginning operand 2 `@data'
prog.s:14: Error: too many memory references for `mov'
prog.s:15: Error: too many memory references for `xor'
prog.s:16: Error: unknown pseudo-op: `.386'
prog.s:17: Error: bad expression
prog.s:17: Error: bad expression
prog.s:17: Error: bad expression
prog.s:17: Error: bad expression
prog.s:17: Error: bad expression
prog.s:17: Error: bad expression
prog.s:17: Error: bad expression
prog.s:17: Error: bad expression
prog.s:17: Error: bad expression
prog.s:17: Error: bad expression
prog.s:17: Error: bad expression
prog.s:17: Error: bad expression
prog.s:17: Error: bad expression
prog.s:17: Error: bad expression
prog.s:17: Error: bad expression
prog.s:17: Error: junk at end of line, first unrecognized character is `='
prog.s:18: Error: too many memory references for `mov'
prog.s:19: Error: too many memory references for `mov'
prog.s:20: Error: too many memory references for `cmp'
prog.s:22: Error: too many memory references for `mov'
prog.s:23: Error: too many memory references for `sal'
prog.s:24: Error: too many memory references for `sub'
prog.s:27: Error: too many memory references for `mov'
prog.s:28: Error: too many memory references for `sal'
prog.s:29: Error: too many memory references for `add'
prog.s:30: Error: no instruction mnemonic suffix given and no register operands; can't size instruction
prog.s:33: Error: too many memory references for `xor'
prog.s:34: Error: bad expression
prog.s:34: Error: bad expression
prog.s:34: Error: bad expression
prog.s:34: Error: bad expression
prog.s:34: Error: bad expression
prog.s:34: Error: bad expression
prog.s:34: Error: bad expression
prog.s:34: Error: bad expression
prog.s:34: Error: bad expression
prog.s:34: Error: bad expression
prog.s:34: Error: bad expression
prog.s:34: Error: bad expression
prog.s:34: Error: bad expression
prog.s:34: Error: bad expression
prog.s:34: Error: bad expression
prog.s:34: Error: junk at end of line, first unrecognized character is `='
prog.s:35: Error: too many memory references for `mov'
prog.s:36: Error: too many memory references for `cmp'
prog.s:38: Error: too many memory references for `mov'
prog.s:39: Error: too many memory references for `sal'
prog.s:40: Error: too many memory references for `add'
prog.s:43: Error: too many memory references for `mov'
prog.s:44: Error: too many memory references for `sub'
prog.s:45: Error: too many memory references for `sal'
prog.s:48: Error: too many memory references for `xor'
prog.s:49: Error: bad expression
prog.s:49: Error: bad expression
prog.s:49: Error: bad expression
prog.s:49: Error: bad expression
prog.s:49: Error: bad expression
prog.s:49: Error: bad expression
prog.s:49: Error: bad expression
prog.s:49: Error: bad expression
prog.s:49: Error: bad expression
prog.s:49: Error: bad expression
prog.s:49: Error: bad expression
prog.s:49: Error: bad expression
prog.s:49: Error: bad expression
prog.s:49: Error: bad expression
prog.s:49: Error: bad expression
prog.s:50: Error: too many memory references for `mov'
prog.s:51: Error: too many memory references for `cmp'
prog.s:55: Error: too many memory references for `add'
prog.s:56: Error: no instruction mnemonic suffix given and no register operands; can't size instruction
prog.s:57: Error: suffix or operands invalid for `jl'
prog.s:62: Error: too many memory references for `cmp'
prog.s:64: Error: too many memory references for `mov'
prog.s:67: Error: too many memory references for `mov'
prog.s:68: Error: junk `h' after expression
prog.s:68: Error: suffix or operands invalid for `int'
prog.s:69: Error: no such instruction: `endp main'
prog.s:70: Error: no such instruction: `end main'
prog.s:71: Error: no such instruction: `end start'

Standard output is empty