汇编时钟(菜菜)
2004-12-16 12:09
627 查看
FreeXploiT:菜菜
data segment
m2 DB '0' ;分的十位
m1 DB '0' ;分的个位
DB ':' ;间隔
s2 DB '0' ;秒的十位
s1 DB '0' ;秒的个位
DB ':' ;间隔
ms2 DB '0' ;百分秒位
ms1 DB '0' ;十分秒位
ROW DB 0 ;行数
data ends
STACK SEGMENT
DW 16 DUP(0)
STACK ENDS
code segment
assume cs:code,ds:data,SS:STACK
start:
call clall2 ;调用清全屏
ag: call clear ;调用清显示部分屏幕
call list ;调用显示
call second ;调用一秒延时
MOV AH,0BH ;检测有键按下否?
INT 21H
CMP AL,00H ;AL=0,无键按下
JZ ag ;无键按下,转ag
MOV AH,08H ;有键,读键值AL
INT 21H
cmp al,'n'
jnz end1
nao: call dingshi ;调用定时子程序
jmp ag
end1: cmp al,'s'
jnz g1
call far ptr mb
jmp ag
g1: cmp al,1bh
jnz ag
mov ah,4ch
int 21h
;--------------------------------------------------日期
list proc near
push ax
push bx
push cx
push dx
mov ah,2ah
int 21h ;系统功能调用,读系统日期
push dx ;将DX入栈
mov dl,0
again1: sub cx,03e8h ;CX保存年,将CX-1000
js next1 ;CX为负跳next1
inc dl ;否则DL+1
jmp again1 ;跳至CX-1000
next1: add cx,03e8h ;CX+1000送CX
add dl,30h
mov ah,02h
int 21h ;显示DL,即CX的千位
mov dl,0 ;DL清零
again2: sub cx,0064h ;将CX-100
js next2
inc dl
jmp again2
next2: add cx,0064h
add dl,30h
mov ah,02h
int 21h ;显示DL,即CX的百位
mov dl,0
again3: sub cx,000ah ;将CX-10
js next3
inc dl
jmp again3
next3: add cx,000ah
add dl,30h
mov ah,02h
int 21h ;显示DL,即DX的十位
add cl,30h
mov dl,cl
mov ah,02h
int 21h ;显示CL的个位
mov dl,'-'
mov ah,02h
int 21h ;显示“-”
pop dx ;弹出DX
mov bl,dl ;将DL送BL
mov dl,0 ;将DL清零
again4: sub dh,000ah ;DH存月,将DH-10
js next4
inc dl
jmp again4
next4: add dh,000ah
add dl,30h
mov ah,02h
int 21h ;显示DH的十位,即月的十位
add dh,30h
mov dl,dh
mov ah,02h
int 21h ;显示DH的个位
mov dl,'-'
mov ah,02h
int 21h
mov dl,0
again5: sub bl,000ah ;DL存天
js next5
inc dl
jmp again5
next5: add bl,000ah
add dl,30h
mov ah,02h
int 21h
add bl,30h
mov dl,bl
mov ah,02h
int 21h
mov dl,' ' ;显示空格
mov ah,02h
int 21h
;--------------------------------------时间
mov ah,2ch ;系统功能调用,读系统时间
int 21h
push dx
mov dl,0
a1: sub ch,000ah ;CH存小时
js n1
inc dl
jmp a1
n1: add ch,000ah
add dl,30h
mov ah,02h
int 21h
add ch,30h
mov dl,ch
mov ah,02h
int 21h
mov dl,':'
mov ah,02h
int 21h ;显示“:”
mov dl,0
a2: sub cl,000ah ;CL存分钟
js n2
inc dl
jmp a2
n2: add cl,000ah
add dl,30h
mov ah,02h
int 21h
add cl,30h
mov dl,cl
mov ah,02h
int 21h
mov dl,':' ;显示“:”
mov ah,02h
int 21h
pop dx
mov dl,0
a3: sub dh,000ah ;DH存秒
js n3
inc dl
jmp a3
n3: add dh,000ah
add dl,30h
mov ah,02h
int 21h
add dh,30h
mov dl,dh
mov ah,02h
int 21h
pop dx
pop cx
pop bx
pop ax
ret
list endp
;------------------------------------定时程序
dingshi proc near
push ax
push bx
push cx
push dx
call clear ;调用清显示部分屏幕
mov dl, 'i'
mov ah,02h
int 21h
mov dl, 'n'
mov ah,02h
int 21h
mov ax,data
mov dx,ax
mov ah,01h
int 21h
sub al,30h
mov bh,al
mov ah,01h
int 21h
sub al,30h
mov bl,al
mov dl,':'
mov ah,02h
int 21h
mov ah,01h
int 21h
sub al,30h
mov dh,al
mov ah,01h
int 21h
sub al,30h
mov dl,al ;存输入数据,BHBL:DHDL
push dx
;----------------------------------------小时的十位的判断
shi10: mov ah,2ch
int 21h
mov dl,0
dao1: sub ch,0ah
js dao2
inc dl
jmp dao1
dao2:
cmp bh,dl ;判断小时的十位
jnz shi10
;-----------------------------------------小时的个位的判断
shi: mov ah,2ch
int 21h
mov dl,0
dao3: sub ch,0ah
js dao4
jmp dao3
dao4: add ch,0ah
cmp ch,bl ;判断小时的个位
jnz shi
;--------------------------------------------分钟的十位的判断
fen10: mov ah,2ch
int 21h
mov dl,0
dao5: sub cl,0ah
js dao6
inc dl
jmp dao5
dao6: mov bl,dl ;将DL中的分的十位送BL
pop dx ;将输入的DH,DL弹出
cmp bl,dh ;判断分的十位
push dx
jnz fen10
;--------------------------------------------------分钟的个位判断
fen: mov ah,2ch
int 21h
mov dl,0
dao7: sub cl,0ah
js dao8
jmp dao7
dao8: add cl,0ah
pop dx
cmp cl,dl ;判断分的个位
push dx
jnz fen
pop dx
mov dl,'s'
mov ah,02h
int 21h
mov dl,'t'
mov ah,02h
int 21h
mov dl,'o'
mov ah,02h
int 21h
mov dl,'p'
mov ah,02h
int 21h ;定时结束,显示STOP
pop dx
pop cx
pop bx
pop ax
ret
dingshi endp
;-------------------------------
SECOND PROC NEAR ;1秒延时子程序
PUSH AX
PUSH BX
PUSH DX
MOV AH,00H
INT 1AH ;读计时单位
ADD DX,1
MOV BX,DX
L1: MOV AH,00H
INT 1AH
CMP DX,BX ;满1秒?,否,继续累计
JNZ L1
POP DX
POP BX
POP AX
RET
SECOND ENDP
;-------------------------------------
clear proc near
;save registers
push ax
push bx
push cx
push dx
;clear screen
;定窗口显示时钟
mov ah,7 ;to scroll downward function
mov al,0 ;code to blank scree
mov bh,70h ;reverse video attribute
mov ch,0 ;upper left row
mov cl,0 ;upper left column
mov dh,0 ;lower right row
mov dl,20 ;lower left column
int 10h ;call video ROM
;定位
mov ch,0
mov cl,24
mov ah,01h
int 10h
mov dh,0
mov dl,0
mov bh,0
mov ah,02h
int 10h
;locate cursor
mov dx,0
mov ah,2 ;to locate column
int 10h ;call video BIOS
;restore registers
pop dx
pop cx
pop bx
pop ax
ret
clear endp
;------------------------
clall2 proc near
push ax
push bx
push cx
push dx
mov ah,6 ;to scroll up screen
mov al,0 ;blank screen
mov bh,7 ;blank line
mov ch,0 ;upper left row
mov cl,0 ;upper left column
mov dh,24 ;lower right row
mov dl,79 ;lower left column
int 10h ;call video BIOS
pop dx
pop cx
pop bx
pop ax
ret
clall2 endp
;---------------------------------------------
mb PROC far
push ax
push bx
push cx
push dx
MOV AH,0 ;检测键盘,有键按下才开始
INT 16H
;设置中断向量
CLI ;清中断标志
CLD ;清方向标志
MOV AX,0000H ;设置中断向量
MOV DS,AX
MOV SI,0020H
LODSW
MOV BX,AX
LODSW
PUSH AX ;
PUSH BX ;
MOV AX,DATA ;
MOV DS,AX
MOV AX,0000H ;
MOV ES,AX ;
MOV DI,0020H ;
MOV AX,OFFSET TIMER ;
STOSW
MOV AX,SEG TIMER ;
STOSW
;初始化8253
MOV AL,00110110B ;0计数器,工作方式3,先写最底有效字节,再写最高有效字节
OUT 43H,AL
MOV AX,10923 ;设初值
OUT 40H,AL
MOV AL,AH
OUT 40H,AL
IN AL,21H
PUSH AX
MOV AL,0FCH ;中断屏蔽,只对键盘irq1和电子时钟基准irq0开中断
OUT 21H,AL
STI
call clearall ;清全屏
FOREVER:
call clear1 ;定位清屏
call show ;显示秒表
MOV AH,0BH ;检测有键按下否?
INT 21H
CMP AL,00H ;AL=0,无键按下
JZ FOREVER ;无键按下,转LOP
MOV AH,08H ;有键,读键值AL
INT 21H
CMP AL,'d'
JZ EXIT ;是d则退出
cmp al,'m' ;是m则记录数据
jnz g
MOV AH,2
MOV BH,0
MOV DH,row
MOV DL,25
INT 10H
call show
inc row
g: cmp al,'r' ;是r则重新开始计时
jnz FOREVER
mov m2,'0' ;归零
mov m1,'0'
mov s2,'0'
mov s1,'0'
mov ms2,'0'
mov ms1,'0'
mov row,0
call clearall
JMP FOREVER ;显示秒表
EXIT:
pop dx
pop cx
pop bx
pop ax
ret
mb ENDP
;-------------------------------------------------
show proc near
push ax
push bx
push cx
MOV BX,OFFSET m2 ;读m2首地址
MOV CX,8 ;循环8次
DISP1: MOV AL,[BX] ;取bx对应的m2值
CALL DISPCHR ;显示[bx]
INC BX ;指向下一存储单元
LOOP DISP1
MOV AL,0DH ;回车
CALL DISPCHR
pop cx
pop bx
pop ax
ret
show endp
;----------------------------------------
clear1 proc near
push ax
push bx
push cx
push dx
;clear screen
;定宽
mov ah,7 ;to scroll up screen
mov al,0 ;blank screen
mov bh,70h ;blank line
mov ch,1 ;upper left row
mov cl,0 ;upper left column
mov dh,0 ;lower right row
mov dl,7 ;lower left column
int 10h ;call video BIOS
;din wei
mov ch,0
mov cl,24
mov dh,row
mov dl,0
mov bh,0
mov ah,02h
int 10h
;locate cursor
mov dx,0
mov ah,2 ;to locate column
int 10h ;call video BIOS
pop dx
pop cx
pop bx
pop ax
ret
clear1 endp
;------------------------
clearall proc near
push ax
push bx
push cx
push dx
mov ah,6 ;to scroll up screen
mov al,0 ;blank screen
mov bh,7 ;blank line
mov ch,0 ;upper left row
mov cl,0 ;upper left column
mov dh,24 ;lower right row
mov dl,79 ;lower left column
int 10h ;call video BIOS
pop dx
pop cx
pop bx
pop ax
ret
clearall endp
;------------------------------
DISPCHR PROC NEAR
PUSH BX
MOV BX,0 ;在0页显示
MOV AH,14 ;调用bios
INT 10H
POP BX
RET
DISPCHR ENDP
;------------------------------
TIMER PROC FAR
PUSH AX
INC ms1
CMP ms1,'9'
JLE TIMEXT
MOV ms1,'0' ;大于‘9’,ms1位清零
INC ms2
CMP ms2,'9'
JL TIMEXT
MOV ms2,'0' ;大于‘9’,ms2位清零
INC s1
CMP s1,'9'
JLE TIMEXT
MOV s1,'0' ;大于‘9’,s1位清零
INC s2
CMP s2,'6'
JL TIMEXT
MOV s2,'0' ;大于‘5’,s2位清零
INC m1
CMP m1,'9'
JLE TIMEXT
MOV m1,'0' ;大于‘9’,m1位清零
INC m2
CMP m2,'6'
JL TIMEXT
MOV m2,'0' ;大于‘5’,m2位清零
TIMEXT: MOV AL,20H
OUT 20H,AL
POP AX
IRET
TIMER ENDP
;mov ah,4ch
;int 21h
code ends
end start
data segment
m2 DB '0' ;分的十位
m1 DB '0' ;分的个位
DB ':' ;间隔
s2 DB '0' ;秒的十位
s1 DB '0' ;秒的个位
DB ':' ;间隔
ms2 DB '0' ;百分秒位
ms1 DB '0' ;十分秒位
ROW DB 0 ;行数
data ends
STACK SEGMENT
DW 16 DUP(0)
STACK ENDS
code segment
assume cs:code,ds:data,SS:STACK
start:
call clall2 ;调用清全屏
ag: call clear ;调用清显示部分屏幕
call list ;调用显示
call second ;调用一秒延时
MOV AH,0BH ;检测有键按下否?
INT 21H
CMP AL,00H ;AL=0,无键按下
JZ ag ;无键按下,转ag
MOV AH,08H ;有键,读键值AL
INT 21H
cmp al,'n'
jnz end1
nao: call dingshi ;调用定时子程序
jmp ag
end1: cmp al,'s'
jnz g1
call far ptr mb
jmp ag
g1: cmp al,1bh
jnz ag
mov ah,4ch
int 21h
;--------------------------------------------------日期
list proc near
push ax
push bx
push cx
push dx
mov ah,2ah
int 21h ;系统功能调用,读系统日期
push dx ;将DX入栈
mov dl,0
again1: sub cx,03e8h ;CX保存年,将CX-1000
js next1 ;CX为负跳next1
inc dl ;否则DL+1
jmp again1 ;跳至CX-1000
next1: add cx,03e8h ;CX+1000送CX
add dl,30h
mov ah,02h
int 21h ;显示DL,即CX的千位
mov dl,0 ;DL清零
again2: sub cx,0064h ;将CX-100
js next2
inc dl
jmp again2
next2: add cx,0064h
add dl,30h
mov ah,02h
int 21h ;显示DL,即CX的百位
mov dl,0
again3: sub cx,000ah ;将CX-10
js next3
inc dl
jmp again3
next3: add cx,000ah
add dl,30h
mov ah,02h
int 21h ;显示DL,即DX的十位
add cl,30h
mov dl,cl
mov ah,02h
int 21h ;显示CL的个位
mov dl,'-'
mov ah,02h
int 21h ;显示“-”
pop dx ;弹出DX
mov bl,dl ;将DL送BL
mov dl,0 ;将DL清零
again4: sub dh,000ah ;DH存月,将DH-10
js next4
inc dl
jmp again4
next4: add dh,000ah
add dl,30h
mov ah,02h
int 21h ;显示DH的十位,即月的十位
add dh,30h
mov dl,dh
mov ah,02h
int 21h ;显示DH的个位
mov dl,'-'
mov ah,02h
int 21h
mov dl,0
again5: sub bl,000ah ;DL存天
js next5
inc dl
jmp again5
next5: add bl,000ah
add dl,30h
mov ah,02h
int 21h
add bl,30h
mov dl,bl
mov ah,02h
int 21h
mov dl,' ' ;显示空格
mov ah,02h
int 21h
;--------------------------------------时间
mov ah,2ch ;系统功能调用,读系统时间
int 21h
push dx
mov dl,0
a1: sub ch,000ah ;CH存小时
js n1
inc dl
jmp a1
n1: add ch,000ah
add dl,30h
mov ah,02h
int 21h
add ch,30h
mov dl,ch
mov ah,02h
int 21h
mov dl,':'
mov ah,02h
int 21h ;显示“:”
mov dl,0
a2: sub cl,000ah ;CL存分钟
js n2
inc dl
jmp a2
n2: add cl,000ah
add dl,30h
mov ah,02h
int 21h
add cl,30h
mov dl,cl
mov ah,02h
int 21h
mov dl,':' ;显示“:”
mov ah,02h
int 21h
pop dx
mov dl,0
a3: sub dh,000ah ;DH存秒
js n3
inc dl
jmp a3
n3: add dh,000ah
add dl,30h
mov ah,02h
int 21h
add dh,30h
mov dl,dh
mov ah,02h
int 21h
pop dx
pop cx
pop bx
pop ax
ret
list endp
;------------------------------------定时程序
dingshi proc near
push ax
push bx
push cx
push dx
call clear ;调用清显示部分屏幕
mov dl, 'i'
mov ah,02h
int 21h
mov dl, 'n'
mov ah,02h
int 21h
mov ax,data
mov dx,ax
mov ah,01h
int 21h
sub al,30h
mov bh,al
mov ah,01h
int 21h
sub al,30h
mov bl,al
mov dl,':'
mov ah,02h
int 21h
mov ah,01h
int 21h
sub al,30h
mov dh,al
mov ah,01h
int 21h
sub al,30h
mov dl,al ;存输入数据,BHBL:DHDL
push dx
;----------------------------------------小时的十位的判断
shi10: mov ah,2ch
int 21h
mov dl,0
dao1: sub ch,0ah
js dao2
inc dl
jmp dao1
dao2:
cmp bh,dl ;判断小时的十位
jnz shi10
;-----------------------------------------小时的个位的判断
shi: mov ah,2ch
int 21h
mov dl,0
dao3: sub ch,0ah
js dao4
jmp dao3
dao4: add ch,0ah
cmp ch,bl ;判断小时的个位
jnz shi
;--------------------------------------------分钟的十位的判断
fen10: mov ah,2ch
int 21h
mov dl,0
dao5: sub cl,0ah
js dao6
inc dl
jmp dao5
dao6: mov bl,dl ;将DL中的分的十位送BL
pop dx ;将输入的DH,DL弹出
cmp bl,dh ;判断分的十位
push dx
jnz fen10
;--------------------------------------------------分钟的个位判断
fen: mov ah,2ch
int 21h
mov dl,0
dao7: sub cl,0ah
js dao8
jmp dao7
dao8: add cl,0ah
pop dx
cmp cl,dl ;判断分的个位
push dx
jnz fen
pop dx
mov dl,'s'
mov ah,02h
int 21h
mov dl,'t'
mov ah,02h
int 21h
mov dl,'o'
mov ah,02h
int 21h
mov dl,'p'
mov ah,02h
int 21h ;定时结束,显示STOP
pop dx
pop cx
pop bx
pop ax
ret
dingshi endp
;-------------------------------
SECOND PROC NEAR ;1秒延时子程序
PUSH AX
PUSH BX
PUSH DX
MOV AH,00H
INT 1AH ;读计时单位
ADD DX,1
MOV BX,DX
L1: MOV AH,00H
INT 1AH
CMP DX,BX ;满1秒?,否,继续累计
JNZ L1
POP DX
POP BX
POP AX
RET
SECOND ENDP
;-------------------------------------
clear proc near
;save registers
push ax
push bx
push cx
push dx
;clear screen
;定窗口显示时钟
mov ah,7 ;to scroll downward function
mov al,0 ;code to blank scree
mov bh,70h ;reverse video attribute
mov ch,0 ;upper left row
mov cl,0 ;upper left column
mov dh,0 ;lower right row
mov dl,20 ;lower left column
int 10h ;call video ROM
;定位
mov ch,0
mov cl,24
mov ah,01h
int 10h
mov dh,0
mov dl,0
mov bh,0
mov ah,02h
int 10h
;locate cursor
mov dx,0
mov ah,2 ;to locate column
int 10h ;call video BIOS
;restore registers
pop dx
pop cx
pop bx
pop ax
ret
clear endp
;------------------------
clall2 proc near
push ax
push bx
push cx
push dx
mov ah,6 ;to scroll up screen
mov al,0 ;blank screen
mov bh,7 ;blank line
mov ch,0 ;upper left row
mov cl,0 ;upper left column
mov dh,24 ;lower right row
mov dl,79 ;lower left column
int 10h ;call video BIOS
pop dx
pop cx
pop bx
pop ax
ret
clall2 endp
;---------------------------------------------
mb PROC far
push ax
push bx
push cx
push dx
MOV AH,0 ;检测键盘,有键按下才开始
INT 16H
;设置中断向量
CLI ;清中断标志
CLD ;清方向标志
MOV AX,0000H ;设置中断向量
MOV DS,AX
MOV SI,0020H
LODSW
MOV BX,AX
LODSW
PUSH AX ;
PUSH BX ;
MOV AX,DATA ;
MOV DS,AX
MOV AX,0000H ;
MOV ES,AX ;
MOV DI,0020H ;
MOV AX,OFFSET TIMER ;
STOSW
MOV AX,SEG TIMER ;
STOSW
;初始化8253
MOV AL,00110110B ;0计数器,工作方式3,先写最底有效字节,再写最高有效字节
OUT 43H,AL
MOV AX,10923 ;设初值
OUT 40H,AL
MOV AL,AH
OUT 40H,AL
IN AL,21H
PUSH AX
MOV AL,0FCH ;中断屏蔽,只对键盘irq1和电子时钟基准irq0开中断
OUT 21H,AL
STI
call clearall ;清全屏
FOREVER:
call clear1 ;定位清屏
call show ;显示秒表
MOV AH,0BH ;检测有键按下否?
INT 21H
CMP AL,00H ;AL=0,无键按下
JZ FOREVER ;无键按下,转LOP
MOV AH,08H ;有键,读键值AL
INT 21H
CMP AL,'d'
JZ EXIT ;是d则退出
cmp al,'m' ;是m则记录数据
jnz g
MOV AH,2
MOV BH,0
MOV DH,row
MOV DL,25
INT 10H
call show
inc row
g: cmp al,'r' ;是r则重新开始计时
jnz FOREVER
mov m2,'0' ;归零
mov m1,'0'
mov s2,'0'
mov s1,'0'
mov ms2,'0'
mov ms1,'0'
mov row,0
call clearall
JMP FOREVER ;显示秒表
EXIT:
pop dx
pop cx
pop bx
pop ax
ret
mb ENDP
;-------------------------------------------------
show proc near
push ax
push bx
push cx
MOV BX,OFFSET m2 ;读m2首地址
MOV CX,8 ;循环8次
DISP1: MOV AL,[BX] ;取bx对应的m2值
CALL DISPCHR ;显示[bx]
INC BX ;指向下一存储单元
LOOP DISP1
MOV AL,0DH ;回车
CALL DISPCHR
pop cx
pop bx
pop ax
ret
show endp
;----------------------------------------
clear1 proc near
push ax
push bx
push cx
push dx
;clear screen
;定宽
mov ah,7 ;to scroll up screen
mov al,0 ;blank screen
mov bh,70h ;blank line
mov ch,1 ;upper left row
mov cl,0 ;upper left column
mov dh,0 ;lower right row
mov dl,7 ;lower left column
int 10h ;call video BIOS
;din wei
mov ch,0
mov cl,24
mov dh,row
mov dl,0
mov bh,0
mov ah,02h
int 10h
;locate cursor
mov dx,0
mov ah,2 ;to locate column
int 10h ;call video BIOS
pop dx
pop cx
pop bx
pop ax
ret
clear1 endp
;------------------------
clearall proc near
push ax
push bx
push cx
push dx
mov ah,6 ;to scroll up screen
mov al,0 ;blank screen
mov bh,7 ;blank line
mov ch,0 ;upper left row
mov cl,0 ;upper left column
mov dh,24 ;lower right row
mov dl,79 ;lower left column
int 10h ;call video BIOS
pop dx
pop cx
pop bx
pop ax
ret
clearall endp
;------------------------------
DISPCHR PROC NEAR
PUSH BX
MOV BX,0 ;在0页显示
MOV AH,14 ;调用bios
INT 10H
POP BX
RET
DISPCHR ENDP
;------------------------------
TIMER PROC FAR
PUSH AX
INC ms1
CMP ms1,'9'
JLE TIMEXT
MOV ms1,'0' ;大于‘9’,ms1位清零
INC ms2
CMP ms2,'9'
JL TIMEXT
MOV ms2,'0' ;大于‘9’,ms2位清零
INC s1
CMP s1,'9'
JLE TIMEXT
MOV s1,'0' ;大于‘9’,s1位清零
INC s2
CMP s2,'6'
JL TIMEXT
MOV s2,'0' ;大于‘5’,s2位清零
INC m1
CMP m1,'9'
JLE TIMEXT
MOV m1,'0' ;大于‘9’,m1位清零
INC m2
CMP m2,'6'
JL TIMEXT
MOV m2,'0' ;大于‘5’,m2位清零
TIMEXT: MOV AL,20H
OUT 20H,AL
POP AX
IRET
TIMER ENDP
;mov ah,4ch
;int 21h
code ends
end start
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