程序说明：
本程序是一个用汇编编的精致的图形时钟，运行时双击clock图标即可，
钟表显示的时间为本机系统的时间。
按b键可扩大画面 ；按s键可缩小画面；按c键可改变颜色；按e键可听音乐；
按q键退出本程序.
流程图：
程序源代码：
sound.asm
EXTRN GENSOUND:FAR
PUBLIC MUSIC
STACK SEGMENT PARA STACK 'STACK'
DB 64 DUP ('STACK')
STACK ENDS
DATA SEGMENT PARA 'DATA'
MUS_FREQ DW 330, 294, 262, 294, 3 DUP (330)
DW 3 DUP (294), 330,392,392
DW 330, 294, 262, 294, 4 DUP (330)
DW 293, 294, 330, 294, 262,-1
MUS_TIME DW 6 DUP (25*8), 50*8
DW 2 DUP (25*8, 25*8, 50*8)
DW 12 DUP (25*8), 100*8
DATA ENDS
CODE SEGMENT PARA 'CODE'
ASSUME CS: CODE, SS: STACK
ASSUME DS: DATA
MUSIC PROC FAR
PUSH DS
PUSH DX
PUSH CX
PUSH BX
PUSH AX
MOV AX, DATA
MOV DS, AX
LEA SI, MUS_FREQ
LEA BP, DS: MUS_TIME
FREQ: MOV DI, [SI]
CMP DI, -1
JE END_MUS
MOV BX, DS: [BP]
CALL GENSOUND
ADD SI, 2
ADD BP, 2
JMP FREQ
END_MUS:
POP AX
POP BX
POP CX
POP DX
POP DS
RET
MUSIC ENDP
CODE ENDS
END
music.asm
PUBLIC GENSOUND
CODE SEGMENT PARA 'CODE'
ASSUME CS: CODE
GENSOUND PROC FAR
PUSH AX
PUSH BX
PUSH CX
PUSH DX
PUSH DI
MOV AL, 0B6H
OUT 43H, AL
MOV DX, 12H
MOV AX, 533H*896
DIV DI
OUT 42H, AL
MOV AL, AH
OUT 42H, AL
IN AL, 61H
OR AL, 3
OUT 61H, AL
WAIT1: MOV CX, 8FF0H
DELAY: LOOP DELAY
DEC BX
JNZ WAIT1
MOV AL, AH
OUT 61H, AL
POP DI
POP DX
POP CX
POP BX
POP AX
RET
GENSOUND ENDP
CODE ENDS
END
clock.asm
extrn music:far,gensound:far
;******************************************************
;* 堆栈段
.286;******************************************************
STACK_SEG SEGMENT STACK
STACK_BUF DW 120 DUP(?)
TOP EQU $-STACK_BUF
STACK_SEG ENDS
;******************************************************
;* 数据段
;******************************************************
DATA_SEG SEGMENT PARA
;------------------------------------------------------
; TODO: 数据的定义及存储器的分配
ts1 DB 0
quitbuf DB 'welcome you to run this programme. '
quitbuf2 DB 'C: change color; B:extend the colck; S:reduce the clock '
quitbuf3 DB 'press e to sound; Press q to quit ! '
sigle DB 80h
absx DW 0
absy DW 0
sut DW 0
erroybz DB 0
r0 DW 90
x0 DW 320
y0 DW 245
count0 db 0
count_hour DB 11
count_minute DB 11
yuanxinx DW 0
yuanxiny DW 0
s DB 0
s2 DB 0
s3 DB 0
hour DW 0
hour2 DW 0
minute DW 0
minute2 DW 0
second DB 0
second2 DB 0
sin_x DW 0
sin_xx DW 0
x DW 0
y DW 0
x1 DW 0
xminy DW 0
yminx DW 0
xmax DW 0
ymax DW 0
ymin DW 0
xmin DW 0
sjx_xminy DW 0
sjx_yminx DW 0
sjx_xmax DW 0
sjx_ymax DW 0
sjx_ymin DW 0
sjx_xmin DW 0
yuanx DW 0
yuany DW 0
y1 DW 0
x2 DW 0
y2 DW 0
x3 DW 0
y3 DW 0
DIancolor DB 0
color DB 2
color_hour DB 2
color_min DB 6
color_second DB 9
color4 DB 10
color5 DB 11
color6 DB 12
backgroundcolor DB 1
page1 DB 0
y2y1 DW 0
x2x1 DW 0
sjx_y2y1 DW 0
sjx_x2x1 DW 0
;------------------------------------------------------
DATA_SEG ENDS
;******************************************************
;* 代码段
;******************************************************
CODE_SEG SEGMENT PARA
;------------------------------------------------------
MAIN PROC FAR
ASSUME CS:CODE_SEG,DS:DATA_SEG
ASSUME SS:STACK_SEG
START:
MOV AX,STACK_SEG
MOV SS,AX
MOV SP,TOP
MOV AX,DATA_SEG
MOV DS,AX
;------------------------------------------------------
; TODO: 从这里开始您的代码
;------------------------------------------------------
beg: MOV AX,0012h
INT 10h
MOV DX,0010h
CALL b1002
LEA BP,quitbuf
CALL msg
MOV DX,010ah
LEA BP,quitbuf2
CALL msg
MOV DX,020ah
LEA BP,quitbuf3
CALL msg
beg2: CALL skin
CALL skin2
CALL skin3
CALL CLk
MOV second,DH
MOV second2,DH
MOV count_minute,11
CALL minute_lin
XOR DX,DX
MOV AX,minute2
MOV CX,12
DIV CX
MOV CX,AX ;minurte2/12
POP AX
ADD AX,CX
MOV hour2,AX
MOV count_hour,11
CALL hour_lin
CALL CLk
MOV DL,DH
CALL bcd2
XOR AH,AH
MOV CL,12
DIV CL
MOV count_minute,AH ;second%12初始值
DEC count_minute
XOR DX,DX
MOV AX,minute2
MOV CX,12
DIV CX ;minurte2%12
MOV count_hour,DL
DEC count_hour
INC second2
kk3: CLI
CALL second_lin
STI
JMP ks
ks: MOV AH,1
INT 16h
JZ kk3
MOV AH,8
INT 21h
CMP AL,'q'
JE quit
CMP AL,'b'
JE CHange_rb
CMP AL,'s'
JE CHange_rs
CMP AL,'c'
JE CHange_color
cmp al,'e'
je a0
JMP kk3
CHange_rs: CMP r0,190
JA ks
ADD r0,5
JMP tobeg2
CHange_rb: CMP r0,60
JB ks
SUB r0,5
JMP tobeg2
CHange_color: LEA SI,color_hour
MOV CX,6
CHange_kk1: MOV AL, [SI]
INC AL
CMP AL,15
JC CHange_color_kk2
MOV AL,1
CHange_color_kk2:
MOV [SI],AL
INC SI
LOOP CHange_kk1
JMP tobeg2
a0: call music
call music
call music
tobeg2: CALL CLear
JMP beg2
quit: MOV AX,4C00H
INT 21H
;*************************************
hour_lin PROC NEAR
PUSHa
CMP count_hour,11
JB tohour_yl
JMP hour_lin_next
tohour_yl: MOV SIgle,3
JMP hour_yl
hour_lin_next:
MOV count_hour,0
MOV SIgle,5
CALL CLk
MOV DL,CH
CALL bcd2
CMP AL,12
JB hour_kk1
SUB AL,12
hour_kk1: MOV CL,30
MUL CL
PUSH AX
XOR DX,DX
MOV AX,minute2
MOV CX,12
DIV CX
MOV CX,AX ;minurte2/12
POP AX
ADD AX,CX
MOV hour2,AX
;擦掉
MOV Color,0
MOV AX,hour
MOV BX,r0
ADD BX,20
CALL renovate
MOV DX,yuanx
MOV x3,DX
MOV DX,yuany
MOV y3,DX
ADD AX,270
ADD BX,400 ;90
CALL renovate
MOV DX,yuanx ;擦掉
MOV x2,DX
MOV DX,yuany
MOV y2,DX
MOV DX,x0
MOV x1,DX
MOV DX,y0 ;擦掉
MOV y1,DX
CALL sjx
ADD AX,180
CALL renovate
MOV DX,yuanx ;擦掉
MOV x2,DX
MOV DX,yuany
MOV y2,DX
SUB BX,100
CALL renovate
MOV DX,yuanx
MOV x3,DX
MOV DX,yuany
MOV y3,DX ;擦掉
CALL sjx
MOV SIgle,4
;***************************；; ;重写
hour_yl: MOV AL,color_hour
MOV color,AL
MOV AX,hour2
MOV BX,r0
ADD BX,70
CALL renovate
MOV DX,yuanx
MOV x3,DX
MOV DX,yuany
MOV y3,DX
ADD AX,90
ADD BX,600 ;90
CALL renovate
MOV DX,yuanx
MOV x2,DX
MOV DX,yuany
MOV y2,DX ;重写
ADD AX,180
CALL renovate
MOV DX,yuanx
MOV x1,DX
MOV DX,yuany
MOV y1,DX
CALL sjxx
CALL sjxy
ADD AX,270
SUB BX,100
CALL renovate
MOV DX,yuanx
MOV x3,DX ;重写
MOV DX,yuany
MOV y3,DX
CALL sjx
CALL sjxx
CALL sjxy
MOV CX,hour2
MOV hour,CX
hour_quit: POPa
RET
hour_lin ENDP
;********************************
minute_lin PROC NEAR
PUSHa
CMP count_minute,11
JB tominute_yl ;仍是原来的一个
JMP minute_lin_next
tominute_yl: MOV SIgle,0
JMP minute_yl
minute_lin_next:
INC count_hour
CALL CLk
MOV DL,CL
CALL bcd2 ;bcd->16
MOV CL,6
MUL CL ;al*cl
PUSH AX
MOV DL,second2
CALL bcd2
XOR AH,AH
MOV CL,12
DIV CL
MOV CL,AL ;second2/12
POP AX
MOV CH,0
ADD AX,CX
MOV minute2,AX
AAAa1:
MOV SIgle,2
MOV Color,0
MOV AX,minute
MOV BX,r0
ADD BX,10
CALL renovate
MOV DX,yuanx
MOV x3,DX
MOV DX,yuany
MOV y3,DX
ADD AX,268
ADD BX,800 ;90
CALL renovate
MOV DX,yuanx
MOV x2,DX
MOV DX,yuany
MOV y2,DX
MOV DX,x0
MOV x1,DX
MOV DX,y0
MOV y1,DX
CALL sjx
ADD AX,180
CALL renovate
MOV DX,yuanx
MOV x2,DX
MOV DX,yuany
MOV y2,DX
ADD AX,90
SUB BX,200
CALL renovate
MOV DX,yuanx
MOV x3,DX
MOV DX,yuany
MOV y3,DX
CALL sjx
inc count0
cmp count0,5
jnz minute_yl
mov count0,0
call music
call music
call music
;**********************************重写
minute_yl: MOV sigle,1
MOV AL,color_min
MOV color,AL
MOV AX,minute2
MOV BX,r0
ADD BX,30
CALL renovate
MOV DX,yuanx
MOV x3,DX
MOV DX,yuany
MOV y3,DX
ADD AX,90
ADD BX,900 ;90
CALL renovate
MOV DX,yuanx
MOV x2,DX
MOV DX,yuany
MOV y2,DX
ADD AX,180
CALL renovate
MOV DX,yuanx
MOV x1,DX
MOV DX,yuany
MOV y1,DX
CALL sjxx
CALL sjxy
ADD AX,270
SUB BX,200
CALL renovate
MOV DX,yuanx
MOV x3,DX
MOV DX,yuany
MOV y3,DX
CALL sjxx
CALL sjxy
MOV CX,minute2
MOV minute,CX
CALL hour_lin
minute_kk1:
minute_quit: POPa
RET
minute_lin ENDP
;******************in dh秒数*********************
second_lin PROC NEAR
PUSHa
CALL CLk
CMP second2,DH
JE to_second_quit
JMP second_lin_next
to_second_quit:JMP second_quit
second_lin_next:
MOV SIgle,80h
MOV second2,DH
MOV Color,0
MOV DL,second ;erase
CALL bcd2
MOV AH,0
MOV CL,6
MUL CL
MOV BX,r0
ADD BX,10
CALL renovate
MOV DX,yuanx
MOV x1,DX
MOV DX,yuany
MOV y1,DX
ADD AX,180
ADD BX,300
CALL renovate
MOV DX,yuanx
MOV x2,DX
MOV DX,yuany
MOV y2,DX
CALL linex
CALL liney
;重写
MOV SIgle,80h
MOV AL,color_second
MOV color,AL
MOV DL,second2
CALL bcd2
MOV AH,0
MOV CL,6
MUL CL
MOV BX,r0
ADD BX,10
CALL renovate
MOV DX,yuanx
MOV x1,DX
MOV DX,yuany
MOV y1,DX
ADD AX,180
ADD BX, 300
CALL renovate
MOV DX,yuanx
MOV x2,DX
MOV DX,yuany
MOV y2,DX
CALL linex
CALL liney
CALL yuanxin
MOV DL,second2
MOV second,DL
CALL minute_lin
CALL skin2
MOV CL,second2
MOV second,CL
CMP count_minute,11
JE second_kk1
INC count_minute
JMP second_quit
second_kk1: MOV count_minute,0
second_quit: POPa
RET
second_lin ENDP
;******bxbbx*********in ax度数***bx长度,*********
;OUT x2->ax,y2->dx ;**
renovate PROC NEAR
PUSHa
ADD AX,270
PUSH AX
CALL SIn
MOV DX,0
MOV CX,BX
DIV CX
CMP SI,1
JE hjian
ADD AX,y0
JMP renovate_kk1
hjian: MOV CX,y0
SUB CX,AX
MOV AX,CX
renovate_kk1: MOV yuany,AX
POP AX
CALL cos
MOV DX,0
MOV CX,BX
DIV CX
CMP SI,1
JE hjian2
ADD AX,x0
JMP renovate_kk2
hjian2: MOV CX,x0
SUB CX,AX
MOV AX,CX
renovate_kk2: MOV yuanx,AX
POPa
RET
renovate ENDP
;**************************
Clk PROC
MOV AH,2
INT 1ah
RET
CLk ENDP
;*****************cosx in ax out ax ,si符号******************
cos PROC NEAR
ADD AX,90
cos_kk1: CALL SIn
RET
cos ENDP
;*********Sinx in ax out ax ,si符号*******************************
SIn PROC NEAR ;out ax
PUSH CX
PUSH DX
PUSH BX
sin360: CMP AX,90
JA dy90
sto0_90: MOV SI,0
JMP pp1
dy90: CMP AX,180
JBE z91to180
JMP dy180
z91to180: MOV CX,180
SUB CX,AX
MOV AX,CX
MOV SI,0
JMP pp1
z181to270: SUB AX,180
MOV SI,1
JMP pp1
z271to360: CMP AX,359
JA zdy359
MOV CX,360
SUB CX,AX
MOV AX,CX
MOV SI,1
JMP pp1
zdy359: SUB AX,360
JMP SIn360
dy180: CMP AX,270
JBE z181to270
JMP z271to360
pp1: MOV CX,175
XOR DX,DX
MUL CX
MOV sin_x,AX
XOR DX,DX
MOV CX,AX
MUL CX
MOV CX,10000
DIV CX
MOV sin_xx,AX
XOR DX,DX
MOV CX,120
DIV CX
MOV BX,1677;1667
CALL SUBab
MOV CX,sin_xx
XOR DX,DX
MUL CX
MOV CX,10000
DIV CX ;xx(xx/120-10000/6)
MOV CX,10000
MOV DL,0
CMP DL,s
JE jia
SUB CX,AX
MOV AX,CX
JMP kk1
jia: ADD AX,CX
kk1: MOV CX,sin_x
XOR DX,DX
MUL CX
MOV CX,10000
DIV CX
POP BX
POP DX
POP CX
MOV s,0
RET
SIn ENDP
;**************;绝对值在ax中符号在S中ax-bx*****s要定义db*************
subab PROC
CMP AX,BX
JAE goab
XOR s,1
XCHG AX,BX
goab:
SUB AX,BX
RET
subab ENDP
;***************************linex***y=(y2-y1)*(x-x1)/(x2-x1)+y1
;****in (x1,y1),(x2,y2)******************x++
linex PROC NEAR
PUSH x1
PUSH x2
PUSH y1
PUSH y2
pusha
CALL xymaxmin
MOV AX,y2
MOV BX,y1
CALL subab
MOV y2y1,AX
MOV AX,x2
MOV BX,x1
CALL subab
MOV SI,0
CMP SI,AX
JE zhixian
JMP lopx
zhixian: JMP zhixianxs
lopx: MOV x2x1,AX
MOV AX,xmin
MOV x,AX
line0x: SUB AX,xmin
MOV DX,0
MOV CX,y2y1
MUL CX
MOV CX,x2x1
DIV CX
MOV DX,0
CMP DL,s
JE zhengx
MOV CX,AX
MOV AX,xminy
SUB AX,CX
JMP kk2x
zhengx: ADD AX,xminy
kk2x: MOV y,AX
CALL DIan
INC x
MOV AX,x
CMP AX,xmax
JBE line0x
JMP quit12
zhixianxs: MOV AX,xmin
MOV x,AX
MOV AX,ymin
MOV y,AX
lopxx: CALL DIan
INC y
MOV AX,ymax
CMP AX,y
JAE lopxx
quit12: MOV s,0
POPa
POP y2
POP y1
POP x2
POP x1
RET
linex ENDP
;**************************liney x=(x2-x1)(y-y1)/(y2-y1)+x1
;*****************y++
sjx PROC NEAR
PUSH x1
PUSH x2
PUSH y1
PUSH y2
pusha
CALL xymaxmin
MOV AX,y2
MOV BX,y1
CALL subab
MOV y2y1,AX
MOV SI,0
CMP SI,AX
JE to_sjxx
sjx_lop1: MOV AX,x2
MOV BX,x1
CALL subab
MOV x2x1,AX
MOV SI,0
CMP SI,AX
JE to_sjxy
MOV DX,0
MOV AX,y2y1
MOV CX,x2x1
DIV CX
CMP AX,1
JE to_sjxx
CMP AX,0
JE to_sjxx
JMP to_sjxy
to_sjxx: MOV s,0
CALL sjxx
JMP sjx_quit
to_sjxy: MOV s,0
CALL sjxy
sjx_quit: POPa
POP y2
POP y1
POP x2
POP x1
MOV s,0
RET
sjx ENDP
liney PROC NEAR
PUSH x1
PUSH x2
PUSH y1
PUSH y2
pusha
CALL xymaxmin
MOV AX,y2
MOV BX,y1
CALL subab
MOV y2y1,AX
MOV SI,0
CMP SI,AX
JE heng
JMP lop1
heng: JMP hengxian
lop1: MOV AX,x2
MOV BX,x1
CALL subab
MOV x2x1,AX
MOV AX,ymin
MOV y,AX
line0y: SUB AX,ymin
MOV DX,0
MOV CX,x2x1
MUL CX
MOV CX,y2y1
DIV CX
MOV DX,0
CMP DL,s
JE zhengy
MOV CX,AX
MOV AX,yminx
SUB AX,CX
JMP kky
zhengy: ADD AX,yminx
kky: MOV x,AX
CALL DIan
INC y
MOV AX,y
CMP AX,ymax
JBE line0y
JMP quity
hengxian: MOV AX,ymin
MOV y,AX
MOV AX,xmin
MOV x,AX
lopy: CALL DIan
INC x
MOV AX,xmax
CMP AX,x
JAE lopy
quity: MOV s,0
POPa
POP y2
POP y1
POP x2
POP x1
RET
liney ENDP
;***************************linex***y=(y2-y1)*(x-x1)/(x2-x1)+y1
;****in (x1,y1),(x2,y2)******************x++
sjxx PROC NEAR
pusha
PUSH x1
PUSH x2
PUSH x3
PUSH y1
PUSH y2
PUSH y3
CALL xymaxmin
MOV AX,xmin
MOV sjx_xmin,AX
MOV AX,ymin
MOV sjx_ymin,AX
MOV AX,xmax
MOV sjx_xmax,AX
MOV AX,ymax
MOV sjx_ymax,AX
MOV AX,xminy
MOV sjx_xminy,AX
MOV AX,y2
MOV BX,y1
CALL subab
MOV sjx_y2y1,AX
MOV AX,x2
MOV BX,x1
CALL subab
MOV DL,s
MOV s2,DL
MOV s,0
MOV SI,0
CMP SI,AX
JE sjx_zhixian
JMP sjx_lopx
sjx_zhixian:
MOV x1,AX
MOV AX,x3
MOV x2,AX
MOV AX,y3
MOV y2,AX
JMP sjx_zhixianxs
sjx_lopx: MOV sjx_x2x1,AX
MOV AX,x3
MOV x2,AX
MOV AX,y3
MOV y2,AX
MOV AX,sjx_xmin
MOV x1,AX
sjx_line0x: SUB AX,sjx_xmin
MOV DX,0 ;***y=(y2-y1)*(x-x1)/(x2-x1)+y1
MOV CX,sjx_y2y1
MUL CX
MOV CX,sjx_x2x1
DIV CX
MOV DX,0
CMP DL,s2
JE sjx_zhengx
MOV CX,AX
MOV AX,sjx_xminy
SUB AX,CX
JMP sjx_kk2
sjx_zhengx:
ADD AX,sjx_xminy
sjx_kk2:
MOV y1,AX
CALL linex
CALL liney
INC x1
MOV AX,x1
CMP AX,sjx_xmax
JBE sjx_line0x
JMP sjx_quit12
sjx_zhixianxs: MOV AX,sjx_xmin
MOV x1,AX
MOV AX,sjx_ymin
MOV y1,AX
sjx_lopxx:
CALL linex
CALL liney
INC y1
MOV AX,sjx_ymax
CMP AX,y1
JAE sjx_lopxx
sjx_quit12: MOV s,0
POP y3
POP y2
POP y1
POP x3
POP x2
POP x1
POPa
RET
sjxx ENDP
;**************************liney x=(x2-x1)(y-y1)/(y2-y1)+x1
;*****************y++
sjxy PROC NEAR
PUSH x1
PUSH x2
PUSH x3
PUSH y1
PUSH y2
PUSH y3
pusha
CALL xymaxmin
MOV AX,xmin
MOV sjx_xmin,AX
MOV AX,ymin
MOV sjx_ymin,AX
MOV AX,xmax
MOV sjx_xmax,AX
MOV AX,ymax
MOV sjx_ymax,AX
MOV AX,yminx
MOV sjx_yminx,AX
MOV AX,y2
MOV BX,y1
CALL subab
MOV sjx_y2y1,AX
MOV SI,0
CMP SI,AX
JE sjxy_heng
JMP sjxy_lop1
sjxy_heng:
MOV DL,s
MOV s2,DL
MOV s,0
MOV AX,x3
MOV x2,AX
MOV AX,y3
MOV y2,AX
JMP sjxy_hengxian
sjxy_lop1: MOV AX,x2
MOV BX,x1 ;x=(x2-x1)(y-y1)/(y2-y1)+x1
CALL subab
MOV DL,s
MOV s2,DL
MOV s,0
MOV sjx_x2x1,AX
MOV AX,x3
MOV x2,AX
MOV AX,y3
MOV y2,AX
MOV AX,sjx_ymin
MOV y1,AX
sjxy_line0y: SUB AX,sjx_ymin
MOV DX,0
MOV CX,sjx_x2x1
MUL CX
MOV CX,sjx_y2y1
DIV CX
MOV DX,0
CMP DL,s2
JE sjxy_zhengy
MOV CX,AX
MOV AX,sjx_yminx
SUB AX,CX
JMP sjxy_kky3
sjxy_zhengy:
ADD AX,sjx_yminx
sjxy_kky3:
MOV x1,AX
CALL linex
CALL liney
INC y1
MOV AX,y1
CMP AX,sjx_ymax
JBE sjxy_line0y
JMP sjxy_quity
sjxy_hengxian: MOV AX,sjx_ymin
MOV y1,AX
MOV AX,sjx_xmin
MOV x1,AX
sjxy_lopy: CALL liney
CALL linex
INC x1
MOV AX,sjx_xmax
CMP AX,x1
JAE sjxy_lopy
sjxy_quity: MOV s,0
POPa
POP y3
POP y2
POP y1
POP x3
POP x2
POP x1
RET
sjxy ENDP
;
xymaxmin PROC NEAR
PUSHa
PUSH x1
PUSH x2
PUSH y1
PUSH y2
MOV AX,x1
CMP AX,x2
JAE x1dyx2
MOV xmin,AX ;x1<x2
MOV AX,y1
MOV xminy,AX
MOV AX,x2
MOV xmax,AX
JMP ymaxmin
x1dyx2: MOV xmax,AX
MOV AX,x2
MOV xmin,AX
MOV AX,y2
MOV xminy,AX ;xminx 所对应的y
ymaxmin: MOV AX,y1
CMP AX,y2
JAE y1dyy2
MOV ymin,AX
MOV AX,x1
MOV yminx,AX ;所对应的x
MOV AX,y2
MOV ymax,AX
JMP xymax_quit
y1dyy2: MOV ymax,AX
MOV AX,y2
MOV ymin,AX
MOV AX,x2
MOV yminx,AX
xymax_quit:
POP y2
POP y1
POP x2
POP x1
POPa
RET
xymaxmin ENDP
DIan PROC NEAR ;画一点x,y
PUSHa
MOV AH,s
MOV s3,AH
MOV AH,SIgle
AND AH,80h
CMP AH,0
JE puanduan
paint:
MOV AL,color
MOV BH,page1
MOV DX,y
MOV CX,x ;列号
MOV AH,0ch
INT 10h
JMP DIanquit
puanduan:
CALL readerdian
MOV DIancolor,AL
MOV AH,SIgle
AND AH,7fh
CMP AH,0
JE NEw0
CMP AH,1
JE NEw1
CMP AH,2
JE NEw2
CMP AH,3
JE NEw3
CMP AH,4
JE NEw4
CMP AH,5
JE NEw5
CMP AH,6
JE NEw6
JMP DIanquit
NEw0: CMP DIancolor,0
JE topaint
JMP DIanquit
NEw1: CMP DIancolor,0
JE topaint
MOV AH,color_hour
CMP DIancolor,AH
JE topaint
JMP DIanquit
topaint: JMP paint
NEw2: MOV AH,color_min
CMP DIancolor, AH
JE topaint
JMP DIanquit
NEw3: JMP NEw0
NEw4: JMP NEw0
NEw5: MOV AH,color_hour
CMP DIancolor,AH
JE topaint
JMP DIanquit
NEw6: CMP DIancolor,0
JE topaint
JMP DIanquit
MOV AX,x
MOV BX,x0
CALL SUBab
CMP AX,5
JA topaint
MOV AX,y
MOV BX,y0
CALL SUBab
CMP AX,5
JA topaint
DIanquit: MOV AH,s3
MOV s,AH
POPa
RET
DIan ENDP
yuanxin PROC
MOV AL,color_second
ADD AL,1
MOV BH,PAGE1
MOV DX,y0
MOV CX,x0
MOV AH,0ch
INT 10h
DEC DX
MOV AH,0ch
INT 10h
DEC CX
MOV AH,0ch
INT 10h
INC DX
MOV AH,0ch
INT 10h
INC DX
MOV AH,0ch
INT 10h
INC CX
MOV AH,0ch
INT 10h
INC CX
MOV AH,0ch
INT 10h
SUB DX,1
MOV AH,0ch
INT 10h
DEC DX
MOV AH,0ch
INT 10h
RET
yuanxin ENDP
readerdian PROC
MOV BH,page1
MOV DX,y
MOV CX,x ;列号
MOV AH,0dh
INT 10h
RET
readerdian ENDP
b1002 PROC NEAR ;入口DX-光标定位
MOV BH,0
MOV AH,02h
INT 10h
RET
b1002 ENDP
CLear PROC
MOV DX,0410h
CALL b1002
MOV CX,6000
MOV BH,PAGE1
MOV AL,' '
MOV AH,0ah
INT 10h
RET
CLear ENDP
; 12根******************************
skin2 PROC
PUSHa
MOV AL,color6
MOV color,AL
MOV CX,12
MOV AX,0
skin2_kk1: PUSH CX
PUSH AX
MOV BX,r0
MOV CX,y0
MOV DX,x0
CALL enovate
MOV AX,x
MOV x1,AX
MOV AX,y
MOV y1,AX
POP AX
PUSH AX
MOV BX,r0
ADD BX,10
MOV CX,y0
MOV DX,x0
CALL enovate
MOV AX,x
MOV x2,AX
MOV AX,y
MOV y2,AX
CALL linex
CALL liney
POP AX
ADD AX,30
POP CX
LOOP skin2_kk1
MOV CX,4
MOV AX,0
skin2_kk2: PUSH CX
PUSH AX
MOV BX,r0
MOV CX,y0
MOV DX,x0
CALL enovate
MOV AX,x
MOV x1,AX
MOV AX,y
MOV y1,AX
POP AX
PUSH AX
MOV BX,r0
ADD BX,20
MOV CX,y0
MOV DX,x0
CALL enovate
MOV AX,x
MOV x2,AX
MOV AX,y
MOV y2,AX
CALL linex
CALL liney
POP AX
ADD AX,90
POP CX
LOOP skin2_kk2
POPa
RET
skin2 ENDP
;60根**********************************88
skin3 PROC
PUSHa
MOV AL,color5
MOV color,AL
MOV CX,60
MOV AX,0
skin2_kk3: PUSH CX
PUSH AX
MOV BX,r0
MOV CX,y0
MOV DX,x0
CALL enovate
MOV AX,x
MOV x1,AX
MOV AX,y
MOV y1,AX
POP AX
PUSH AX
MOV BX,r0
ADD BX,3
MOV CX,y0
MOV DX,x0
CALL enovate
MOV AX,x
MOV x2,AX
MOV AX,y
MOV y2,AX
CALL linex
CALL liney
POP AX
ADD AX,6
POP CX
LOOP skin2_kk3
POPa
RET
skin3 ENDP
;数字加圆**************************************88
skin PROC NEAR
MOV AL,color4
MOV color,AL
MOV BX,r0
CALL yuan
MOV BX,r0
MOV DH,7
MOV DL,39
CALL b1002
MOV DL,'1'
MOV AH,2
INT 21h
MOV DH,7
MOV DL,40
CALL b1002
MOV DL,'2'
MOV AH,2
INT 21h
MOV DH,8
MOV DL,47
CALL b1002
MOV DL,'1'
MOV AH,2
INT 21h
MOV DH,11
MOV DL,53
CALL b1002
MOV DL,'2'
MOV AH,2
INT 21h
MOV DH,19
MOV DL,53
CALL b1002
MOV DL,'4'
MOV AH,2
INT 21h
MOV DH,22
MOV DL,47
CALL b1002
MOV DL,'5'
MOV AH,2
INT 21h
MOV DH,22
MOV DL,32
CALL b1002
MOV DL,'7'
MOV AH,2
INT 21h
MOV DH,19
MOV DL,26
CALL b1002
MOV DL,'8'
MOV AH,2
INT 21h
MOV DH,11
MOV DL,25
CALL b1002
MOV DL,'1'
MOV AH,2
INT 21h
MOV DH,11
MOV DL,26
CALL b1002
MOV DL,'0'
MOV AH,2
INT 21h
MOV DH,8
MOV DL,30
CALL b1002
MOV DL,'1'
MOV AH,2
INT 21h
MOV DH,8
MOV DL,31
CALL b1002
MOV DL,'1'
MOV AH,2
INT 21h
MOV DH,15
MOV DL,55
CALL b1002
MOV DL,'3'
MOV AH,2
INT 21h
MOV DH,23
MOV DL,40
CALL b1002
MOV DL,'6'
MOV AH,2
INT 21h
MOV DH,15
MOV DL,24
CALL b1002
MOV DL,'9'
MOV AH,2
INT 21h
RET
skin ENDP
msg PROC NEAR ;in bp为输出字符串地址
PUSH ES
PUSH DS
POP ES
MOV CX,40h
MOV AL,0
MOV BX,2
MOV AH,13h
INT 10h
POP ES
RET
msg ENDP
;*****************in dl out al
bcd2 PROC NEAR
MOV AH,0
MOV AL,DL
SHR AL,4
AND AL,0fh
MOV CL,10
MUL CL
MOV CL,AL
MOV AL,DL
AND AL,0fh
ADD AL,CL;;;;; bcd转16进制
RET
bcd2 ENDP
;r0=bx 圆心cx 行 dx列********************
yuan PROC
PUSHa
MOV CX,360
MOV AX,0
yuan_kk1: PUSH CX
PUSH AX
MOV CX,y0
MOV DX,x0
CALL enovate
CALL dian
POP AX
ADD AX,1
POP CX
LOOP yuan_kk1
POPa
RET
yuan ENDP
;*****************in ax度数 bx=半径r长度,cx 列 dx行 圆心 out x,y************
enovate PROC NEAR
PUSHa
PUSH DX
PUSH AX
PUSH CX
CALL SIn
MOV DX,0
MOV CX,BX
DIV CX
POP CX
CMP SI,1
JE ian
ADD AX,CX
JMP enovate_kk1
ian: SUB CX,AX
MOV AX,CX
enovate_kk1: MOV y,AX
POP AX
CALL cos
MOV DX,0
MOV CX,BX
DIV CX
POP DX
CMP SI,1
JE ian2
ADD AX,DX
JMP enovate_kk2
ian2: MOV CX,DX
SUB CX,AX
MOV AX,CX
enovate_kk2: MOV x,AX
POPa
RET
enovate ENDP
MAIN ENDP
;------------------------------------------------------
CODE_SEG ENDS
;******************************************************
END START ;程序结束
函数功能
主函数功能为调用子函数设置表盘背景图形及通过判断输入的字符调用对应功能。
1）首先显示提示语句，通过调用b1002（修改光标位置，使得显示字符居中）和msg函数实现。随后调用skin, skin2, skin3函数，绘制表盘轮廓、刻度和数字。再按先获取时间（调用clk函数）后设置表针（_lin系列函数）的顺序分别设置时针、分针和秒针。
2）此后，调用BIOS中断，监听键盘缓冲区。当键盘缓冲区内有字符，且有对应功能时，跳转执行此功能，功能执行完后，清屏，并跳转至1）步骤中调用skin函数处继续运行；否则回跳至设置秒针处继续运行。
到达整分钟时，将会调用music函数播放音乐。（此处存在BUG：由于music函数一直处于执行状态，其他语句不能执行，画面无法更新；同时此处的音乐播放时间过长）
本程序共有28个子函数用于实现各类功能。
设置秒针的函数second_lin中调用了设置分针的函数minute_lin，minute_lin中调用了设置时针的函数hour_lin，因而只需跳转至秒针函数处即可控制所有指针。
程序中的linex, liney, subxy, sin, cos, xymaxmin,sjx等函数，提供了基本的二维坐标运算方法；envote , renvote函数用于确定表的尺寸及位置；yuanxin , dian, readerdian等函数提供绘制二维点的方法。
另有bcd2 , msg , clk ,clear等函数，分别用于实现16进制的转换、提示信息输出、获取时间、清屏等功能。
参数传递
主函数与三个表针函数的参数传递为约定单元法，所用约定单元分别为对应的count_hour/minute/second及hour2/minute2/second2；
主函数与music, sound之间无参数传递；
表针函数与renovate函数之间的参数传递为寄存器法，所用寄存器为ax,bx,cx,dx；
主函数与enovate函数的参数传递为寄存器法，所用寄存器为ax,bx,cx,dx；
主函数与yuan函数的参数传递为约定单元法，约定单元为y0,x0；
主函数与bdc2的参数传递为寄存器法，所用寄存器为dl,al；
主函数与MSG的参数传递为寄存器法，寄存器为es,bp等；
与skin的参数传递为约定单元法，约定单元为color,color4；
与skin3的参数传递为约定单元法，约定单元为color,color5,,x,x0,x1,y,y0,y1；
与skin2的参数传递为约定单元法，约定单元为color,color6,,x,x0,x1,y,y0,y1；
与clear, b1002无参数传递；
与readerdian的参数传递为约定单元法，约定单元为page1, y , x；
与yuanxin的参数传递为约定单元法，约定单元为color_second , page1, x0 , y0；
与dian的参数传递为约定单元法，
中断向量及中断处理程序地址计算
中断向量：
本题用到了10H、16H、1AH、21H函数库的函数调用。
10H号函数库：CS=410h+2h=42h ， IP=410h=40h 。中断向量为0:40H。
16H号函数库：CS = 416H + 2H =60H, IP =416H=58H。中断向量为0:58H。
1AH号函数库：CS = 41AH + 2H =70H, IP =41AH=68H。中断向量为0:68H。
21H号函数库：CS=421h+2h=86h ， IP=421h=84h 。中断向量为0:84h。