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use16               ;Генерировать 16-битный код
org 100h            ;Программа начинается с адреса 100h
 
    mov al,[a]      ;Загружаем значение a в AL
    mov ah,[b]      ;Загружаем значение b в AH
    add ah,[c]      ;AH = AH + c = b+c
    dec ah          ;AH = AH - 1 = b+c-1
    sub al,ah       ;AL = AL - AH = a-(b+c-1)
    mov cl,[d]      ;CL = d
    neg cl          ;CL = -CL = -d
    add al,cl       ;AL = AL + CL = a-(b+c-1)+(-d)
    mov [e],al      ;Сохраняем результат в e
 
    mov ax,4C00h    ;\
    int 21h         ;/ Завершение программы
;-------------------------------------------------------
a db 2
b db 3
c db 5
d db -8
e db ?

prog.s: Assembler messages:
prog.s: Warning: end of file not at end of a line; newline inserted
prog.s:1: Error: no such instruction: `use16'
prog.s:1: Error: invalid character (0xd0) in mnemonic
prog.s:2: Error: no such instruction: `org 100h'
prog.s:2: Error: invalid character (0xd0) in mnemonic
prog.s:4: Error: invalid char '[' beginning operand 2 `[a]'
prog.s:4: Error: invalid character (0xd0) in mnemonic
prog.s:5: Error: invalid char '[' beginning operand 2 `[b]'
prog.s:5: Error: invalid character (0xd0) in mnemonic
prog.s:6: Error: invalid char '[' beginning operand 2 `[c]'
prog.s:6: Error: junk at end of line, first unrecognized character is `='
prog.s:7: Error: no instruction mnemonic suffix given and no register operands; can't size instruction
prog.s:7: Error: junk at end of line, first unrecognized character is `='
prog.s:8: Error: too many memory references for `sub'
prog.s:8: Error: junk at end of line, first unrecognized character is `='
prog.s:9: Error: invalid char '[' beginning operand 2 `[d]'
prog.s:10: Error: no instruction mnemonic suffix given and no register operands; can't size instruction
prog.s:10: Error: junk at end of line, first unrecognized character is `='
prog.s:11: Error: too many memory references for `add'
prog.s:11: Error: junk at end of line, first unrecognized character is `='
prog.s:12: Error: invalid char '[' beginning operand 1 `[e]'
prog.s:12: Error: invalid character (0xd0) in mnemonic
prog.s:14: Error: too many memory references for `mov'
prog.s:14: Error: junk at end of line, first unrecognized character is `\'
prog.s:15: Error: junk `h' after expression
prog.s:15: Error: operand size mismatch for `int'
prog.s:16: Error: junk at end of line, first unrecognized character is `-'
prog.s:17: Error: no such instruction: `a db 2'
prog.s:18: Error: no such instruction: `b db 3'
prog.s:19: Error: no such instruction: `c db 5'
prog.s:20: Error: no such instruction: `d db -8'
prog.s:21: Error: no such instruction: `e db?'
prog.s: Error: symbol definition loop encountered at `AH'
prog.s: Error: invalid operands (*GAS `expr' section* and *UND* sections) for `+' when setting `AH'
prog.s: Error: Invalid operation on symbol
prog.s: Error: can't resolve value for symbol `AH'
prog.s: Error: symbol definition loop encountered at `AL'
prog.s: Error: symbol definition loop encountered at `CL'
prog.s: Error: invalid operand (*GAS `expr' section* section) for `-' when setting `CL'

Standard output is empty