IBM-PC汇编语言程序设计(第二版)课后习题答案(清华大学出版社)(沈美明,温冬蝉著)第十章答案
2006-11-04 22:05
IBM-PC汇编语言程序设计(第二版)
1.答:
(1)EXYRN SUBPRO:FAR (2)PUBLIC SUBPRO
2,答:
(1)PUBLIC QTY, VALUE, PRICE
(2)EXTRN QTY:BYTE, VALUE:WORD, PRICE:WORD
3,答:
模块1:
PUBLIC VAR1, VAR2, LAB3
模块2:
PUBLIC VAR3, LAB2
EXTRN VAR1:DWORD, VAR2:BYTE, LAB1:NEAR, LAB3:FAR
模块3:
PUBLIC LAB3
EXTRN VAR1:DWORD, VAR2:BYTE, LAB1:NEAR, LAB2:FAR
4,答:
EXTRN SUBMUL:FAR
SSEG SEGMENT
DW 64 DUP( )
SSEG ENDS
;--------------------------------------------
DSEG SEGMENT
QTY DW
PRICE DW
DSEG ENDS
;---------------------------------------------
CSEG1 SEGMENT
ASSUME CS:CSEG1, DS:DSEG, SS:SSEG
CALLMUL PROC FAR
MOV AX, DSEG
MOV DS,AX
MOV AX, PRICE
MOV BX, QTY
CALL FAR PTR SUBMUL

CALLMUL ENDP
CSEG1 ENDS
END CALLMUL
;------------------------------------------------

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