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Simtel MSDOS 1992 September
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Simtel20_Sept92.cdr
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msdos
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pcmag
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vol9n03.arc
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COUNTER.SCR
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1990-01-03
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410b
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44 lines
N COUNTER.COM
A 100
MOV AX,3D02
MOV DX,014B
INT 21
JNB 010E
XOR AL,AL
JMP 147
MOV BX,AX
MOV CX,1
MOV DX,151
MOV AH,3F
INT 21
DEC BYTE PTR [151]
MOV AX,4200
XOR CX,CX
XOR DX,DX
INT 21
MOV AH,40
MOV CX,1
MOV DX,151
INT 21
MOV AH,3E
INT 21
MOV AL,[151]
SUB AL,30
CMP AL,00
JNZ 147
MOV AH,41
MOV DX,14B
INT 21
XOR AL,AL
MOV AH,4C
INT 21
E 14B 'N.TMP' 0 0
RCX
52
W
Q