data segment
full db 0
buff1 db '   Welcome you to run this programme!'
      db '                                     '
      db '           *****Please press any key*****$'
buff2 db '       My heart beats with yours!'
      db '             ***** Please q to quit *****$'
data ends

code segment
main proc far
     assume cs:code,ds:data
start:
     push ds
     sub ax,ax
     push ax
     mov ax,data
     mov ds,ax
     mov ah,00
     mov al,04
     int 10h
     mov ah,0bh
     mov bh,00
     mov bl,1
     int 10h
     mov ah,0bh
     mov bh,1
     mov bl,2
     int 10h
     mov dx,offset buff1               ;顯示提示信息
     mov ah,09
     int 21h
     mov ah,08
     int 21h
     call clear                        ;cls
sss:
     call text                         ;display the text
     mov di,2
     mov al,1                          ;draw the big box
     mov cx,70
     mov dx,20
     mov bx,160
     call box
     mov cx,71 
     mov dx,21
     mov bx,158
again:
     mov al,1
     mov di,0
     call box
     call delay
     mov al,0
     mov di,0
     call box
     inc cx
     inc dx
     sub bx,2
     cmp cx,94
     jnz again
     mov di,0                          ;draw the 2nd box
     mov cx,95
     mov dx,45
     mov al,1
     mov bx,110
     call box
     mov cx,96
     mov dx,46
     mov bx,108
again_00:
     mov al,1
     mov di,0
     call box
     call delay
     call delay
     mov al,0
     mov di,0
     call box
     inc cx
     inc dx
     sub bx,2
     cmp cx,114
     jnz again_00
     mov cx,115                        ;draw the 3rd box
     mov dx,65
     mov al,1
     mov bx,70
     call box
     mov cx,116
     mov dx,66
     mov bx,68
again_01:
     mov al,1
     mov di,0
     call box
     call delay
     call delay
     mov al,0
     mov di,0
     call box
     inc cx
     inc dx
     sub bx,2
     cmp cx,129
     jnz again_01
     mov di,2
     mov al,1                          ;draw the small box
     mov cx,130
     mov dx,80
     mov bx,40
     call box
     mov di,2
     mov al,3                          ;對角線
     mov si,0
     mov cx,71
     mov dx,21
     mov bx,59
     call xie_line
     mov cx,171
     mov dx,121
     mov bx,59
     call xie_line
     mov si,1
     mov cx,71
     mov dx,179
     mov bx,59
     call xie_line
     mov cx,171
     mov dx,79
     mov bx,59
     call xie_line
     mov cx,150                       ;十字線
     mov dx,20
     mov si,0
     mov bx,60
     call draw_line
     mov cx,150
     mov dx,120
     mov bx,60
     call draw_line
     mov cx,70
     mov dx,100
     mov si,1
     mov bx,60
     call draw_line
     mov cx,170
     mov dx,100
     mov bx,60
     call draw_line
     mov si,1
     mov cx,70
     mov dx,60
     mov bx,60
     call mid_line
     mov cx,170
     mov dx,110
     mov bx,60
     call mid_line
     mov si,2
     mov cx,110
     mov dx,20
     mov bx,30
     call mid_line
     mov cx,160
     mov dx,120
     mov bx,30
     call mid_line
     mov si,3
     mov cx,70
     mov dx,140
     mov bx,60
     call mid_line
     mov cx,170
     mov dx,90
     mov bx,60
     call mid_line
     mov si,4
     mov cx,110
     mov dx,180
     mov bx,30
     call mid_line
     mov cx,160
     mov dx,80
     mov bx,30
call mid_line
mov di,0
mov al,1                           ;draw the big box again
mov cx,70
mov dx,20
mov bx,160
call box
mov di,0
mov al,1                           ;draw the small box again
mov cx,130
mov dx,80
mov bx,40
call box
mov di,0
mov cx,95
mov dx,45
mov al,1
mov bx,110
call box
mov cx,115
mov dx,65
mov al,1
mov bx,70
call box
mov di,1                          ;fill
call fill
call fill_2
call fill_3
mov cx,149                         ;bold
mov dx,120
mov al,2
mov bx,60
mov si,0
call draw_line
mov cx,151
mov dx,120
mov al,2
mov bx,60
mov si,0
call draw_line
heart_:                            ;draw the heart

call cls_box
call heart
mov ah,08
int 21h
cmp al,'q'
jz ok
cmp al,20h
jz heart_
call clear
jmp sss
ok:

ret
main endp

fill proc near                    ;the procedure of fill
mov full,0
mov al,5
mov cx,160
mov dx,121
mov si,0
mov bx,60
fill_Y:

push cx
push dx
push bx
call draw_line
pop bx
pop dx
pop cx
sub bx,2
inc cx
add dx,2
inc full
cmp full,30
jne fill_y
ret
fill endp

fill_2 proc near
mov full,0
mov al,5
mov cx,140
mov dx,121
mov si,0
mov bx,60
fill_Y1:

push cx
push dx
push bx
call draw_line
pop bx
pop dx
pop cx
sub bx,2
dec cx
add dx,2
inc full
cmp full,30
jne fill_y1
ret
fill_2 endp

fill_3 proc near
mov al,1
mov full,0
mov si,0
mov cx,140
mov dx,121
mov bx,60
re_fill:

push bx
push cx
push dx
call draw_line
pop dx
pop cx
pop bx
inc cx
inc full
cmp full,9
jne re_fill
mov full,0
mov cx,159
mov dx,121
mov bx,60
re_fill2:

push bx
push cx
push dx
call draw_line
pop dx
pop cx
pop bx
dec cx
inc full
cmp full,9
jne re_fill2
ret
fill_3 endp

draw_Line proc near               ;the procedure of draw a line
push bx
cmp si,0
jz V_line1
add bx,cx
H_line:

mov ah,0ch
int 10h
cmp di,0
jz aa0
cmp di,1
jz aa1
call delay
aa1:

call delay
aa0:

inc cx
cmp cx,bx
jne H_line
jmp exit_line
V_line1:

add bx,dx
V_line:

mov ah,0ch
cmp di,0
jz bb0
cmp di,1
jz bb1
call delay
bb1:

call delay
bb0:

int 10h
inc dx
cmp dx,bx
jne V_line
exit_line:

pop bx
ret
draw_Line endp

xie_line proc near                ;the procedure of draw a xie_line
add bx,cx
cmp si,1
jz xieline_1
xieline_0:

mov ah,0ch
int 10h
inc dx
inc cx
cmp cx,bx
jne xieline_0
jmp exit_xie
xieline_1:

mov ah,0ch
int 10h
dec dx
inc cx
cmp cx,bx
jne xieline_1
exit_xie:

ret
xie_line endp

Mid_line proc near                 ;draw a xie_line
add bx,cx
cmp si,2
jz midline_2
cmp si,3
jz midline_3
cmp si,4
jz midline_4
midline_1: 

mov ah,0ch
int 10h
inc dx
add cx,2
cmp cx,bx
jne midline_1
jmp exit_lines
midline_2:
mov ah,0ch
int 10h
add dx,2
inc cx
cmp cx,bx
jne midline_2
jmp exit_lines
midline_3:
mov ah,0ch
int 10h
dec dx
add cx,2
cmp cx,bx
jne midline_3
jmp exit_lines
midline_4:
mov ah,0ch
int 10h
sub dx,2
inc cx
cmp cx,bx
jne midline_4
exit_lines:
ret
mid_line endp

box proc near                      ;draw a box
push cx
push dx
push cx
push dx
push cx
push dx
push cx
push dx
mov si,1
call draw_line                    ;top
pop dx
pop cx
add cx,bx
mov si,0
call draw_line                     ;right
pop dx
pop cx
mov si,0
call draw_line                    ;left
pop dx
pop cx
mov si,1
add dx,bx
call draw_line                    ;bottom
pop dx
pop cx
ret
box endp

space proc near                    ;display a space
mov ah,02
mov dl,' '
int 21h
ret
space endp

return proc near                  ;回車
mov ah,2
mov dl,0ah
int 21h
mov dl,0dh
int 21h
ret
return endp

text proc near                    ;顯示文本信息
mov bh,0
mov dh,0
mov dl,0
mov ah,2
int 10h
mov dx,offset buff2
mov ah,09
int 21h
text endp

heart proc near
mov cx,136                         ;draw_heart
mov dx,93
mov si,0
mov bx,5
mov al,2
call draw_line
mov cx,137                        ;draw_heart
mov dx,91
mov si,0
mov bx,9
call draw_line
mov cx,138                        ;draw_heart
mov dx,90
mov si,0
mov bx,12
call draw_line
mov cx,139                        ;draw_heart
mov dx,89
mov si,0
mov bx,14
call draw_line
mov cx,140                        ;draw_heart
mov dx,88
mov si,0
mov bx,16
call draw_line
mov cx,141                        ;draw_heart
mov dx,88
mov si,0
mov bx,17
call draw_line
mov cx,142                        ;draw_heart
mov dx,87
mov si,0
mov bx,19
call draw_line
mov cx,143                        ;draw_heart
mov dx,87
mov si,0
mov bx,20
call draw_line
mov cx,144                        ;draw_heart
mov dx,87
mov si,0
mov bx,21
call draw_line
mov cx,145                        ;draw_heart
mov dx,88
mov si,0
mov bx,21
call draw_line
mov cx,146                         ;draw_heart
mov dx,88
mov si,0
mov bx,22
call draw_line
mov cx,147                        ;draw_heart
mov dx,89
mov si,0
mov bx,22
call draw_line
mov cx,148                        ;draw_heart
mov dx,90
mov si,0
mov bx,22
call draw_line
mov cx,149                        ;draw_heart
mov dx,91
mov si,0
mov bx,22
call draw_line
mov cx,150                        ;1draw_heart
mov dx,91
mov si,0
mov bx,22
call draw_line
mov cx,151                        ;draw_heart
mov dx,90
mov si,0
mov bx,22
call draw_line
mov cx,152                        ;draw_heart
mov dx,89
mov si,0
mov bx,22
call draw_line
mov cx,153                        ;draw_heart
mov dx,88
mov si,0
mov bx,22
call draw_line
mov cx,154                        ;draw_heart
mov dx,88
mov si,0
mov bx,21
call draw_line
mov cx,155                        ;draw_heart
mov dx,87
mov si,0
mov bx,21
call draw_line
mov cx,156                        ;draw_heart
mov dx,87
mov si,0
mov bx,20
call draw_line
mov cx,157                        ;draw_heart
mov dx,87
mov si,0
mov bx,19
call draw_line
mov cx,158                        ;draw_heart
mov dx,88
mov si,0
mov bx,17
call draw_line
mov cx,159                        ;draw_heart
mov dx,88
mov si,0
mov bx,16
call draw_line
mov cx,160                        ;draw_heart
mov dx,89
mov si,0
mov bx,14
call draw_line
mov cx,161                        ;draw_heart
mov dx,90
mov si,0
mov bx,12
call draw_line
mov cx,162                        ;draw_heart
mov dx,91
mov si,0
mov bx,9
call draw_line
mov cx,163                        ;draw_heart
mov dx,93
mov si,0
mov bx,5
call draw_line
ret
heart endp

delay proc near                   ;the procedure of delay
push cx
push dx
mov dx,25
dl2:

mov cx,2801
dl3:

loop dl3
dec dx
jnz dl2
pop dx
pop cx
ret
delay endp

clear proc near                   ;clear
mov al,0
mov bx,0
mov cx,0
mov dx,0
line:

mov ah,0ch
int 10h
inc cx
cmp cx,320
jne line
mov cx,0
inc dx
cmp dx,200
jne line
ret
clear endp

cls_box proc near
mov al,0
mov bx,0
mov cx,131
mov dx,81
s_line:

mov ah,0ch
int 10h
inc cx
cmp cx,170
jne s_line
mov cx,131
inc dx
cmp dx,120
jne s_line
ret
cls_box endp

code ends
     end start