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- ; Example of a reasonably well-formatted program.
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- dseg segment para public 'data'
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- ; Some type definitions for the variables we will declare:
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- uint typedef word ;Unsigned integers.
- integer typedef sword ;Signed integers.
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- ; Some variables we can use:
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- j integer ?
- k integer ?
- l integer ?
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- u1 uint ?
- u2 uint ?
- u3 uint ?
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- dseg ends
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- cseg segment para public 'code'
- assume cs:cseg, ds:dseg
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- Main proc
- mov ax, dseg
- mov ds, ax
- mov es, ax
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- ; Initialize our variables:
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- mov j, 3
- mov k, -2
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- mov u1, 254
- mov u2, 22
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- ; Compute L := j+k and u3 := u1+u2
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- mov ax, J
- add ax, K
- mov L, ax
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- mov ax, u1 ;Note that we use the "ADD"
- add ax, u2 ; instruction for both signed
- mov u3, ax ; and unsigned arithmetic.
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- Quit: mov ah, 4ch ;DOS opcode to quit program.
- int 21h ;Call DOS.
- Main endp
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- cseg ends
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- sseg segment para stack 'stack'
- stk byte 1024 dup ("stack ")
- sseg ends
- end Main
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