30H, 32H COUNT EQU ($-ASCBUF)/2 ;$为当前地址指针 BCDBUF DB COUNT DUP() DATA ENDS CODE SEGMENT ASSUME CS: CODE, DS:DATA, ES:DATA START: MOV AX, DATA MOV DS, AX MOV ES, AX ;设置附加段与数据段完全重叠 CLD MOV SI, OFFSET ASCBUF MOV DI, OFFSET BCDBUF MOV CX, COUNT AA: LODSB AND AL, 0FH MOV BL, AL LODSB PUSH CX MOV CL, 4 SHL AL, CL POP CX OR AL, BL STOSB LOOP AA MOV AH, 4CH INT 21H CODE ENDS END START
A.=LARGE(Al:A50,49)
B.=SMALL(A1:A50,2)
C.=SMALL(AI:A50,49)
D.=MAX(Al:A50,2)
A.inal,dx
B.inal,0fffah
C.outdx,al
D.out0fffah,al
E.moval,dx
A.1收敛域为z平面
B.a/z-a;|z|>|al
C.z/z-a;|z|>|al
D.1-a/z-a;|z|>|a|
A.Sheet l Al:B3
B.Sheet l! A1:B3
C.Sheet l # A1:B3
D.A1:B3