?? 25_b.asm
字號(hào):
data_seg segment
car db 2 ;用于寫方框左豎杠圖形的字符組
db 40h,0bh,0,0
db 02ah,0bh,0,1
jeep db 2 ;用于寫方框右豎杠圖形的字符組
db 40h,0bh,0,0
db 02ah,0bh,0,-1
star db 2 ;用于寫方框上橫杠圖形的字符組
db 40h,0bh,0,0
db 02ah,0,0,1
star1 db 2 ;用于寫方框下橫杠圖形的字符組
db 40h,0bh,0,0
db 02ah,0,0,-1
car1 db 2 ;用于從左向右寫的運(yùn)動(dòng)字符組
db 40h,0bh,0,0
db 02ah,0bh,0,1
jeep1 db 2 ;用于從左向右寫的運(yùn)動(dòng)字符組
db 40h,0bh,0,0
db 02ah,0bh,0,-1
char_cnt dw ?
pointer dw ?
line_on db ?
col_on db ?
char_cnt1 dw ?
pointer1 dw ?
line_on1 db ?
col_on1 db ?
char_cnt2 dw ?
pointer2 dw ?
line_on2 db ?
col_on2 db ?
col db ?
char0 db ?
char db ?
char1 db ?
char2 db ?
count0 db ?
count db ?
count_cx dw ?
data_seg ends
;---------------------------------------
code_seg segment
assume cs:code_seg,ds:data_seg
main proc far
push ds
sub ax,ax
sub cx,cx
push ax
push cx
mov ax,data_seg
mov ds,ax
mov char,2
mov char0,2
mov char1,16
mov char2,4
mov count_cx,13
call clear_screen
mov count,5
mov count0,4
again:
lea di,star
mov dh,3
mov dl,2
call move_shape
dec count0
lea di,star1
mov dh,17
mov dl,76
call move_shape
dec count0
lea di,jeep
mov dh,4
mov dl,2
call move_shape
dec count0
lea di,car
mov dh,16
mov dl,76
call move_shape
again1: mov count,5
mov char2,4
mov char,2
mov char0,2
lea di,car1
mov dh,4
mov dl,2
call move_shape1
lea di,jeep1
mov dh,4
mov dl,76
call move_shape2
call must_2
dec count_cx
jne again1
pop cx
ret
main endp
;----------------------------
clear_screen proc near
push ax
push bx
push cx
push dx
mov ah,6
mov al,0
mov ch,0
mov cl,0
mov dh,24
mov dl,79
mov bh,7
int 10h
pop dx
pop cx
pop bx
pop ax
ret
clear_screen endp
;-------------------------------------
;-------------------------------------
move_shape proc near
push ax
push bx
push cx
push dx
push di
mov ah,0fh
int 10h
sub ch,ch
mov cl,[di]
inc di
mov char_cnt,cx
mov pointer,di
mov line_on,dh
mov col_on,dl
plot_nextR:
add dh,[di+2]
add dl,[di+3]
cmp count0,3
je exit2R
cmp count0,2
je exit9R
cmp count0,1
je exit10R
cmp dl,78
jb mov_crsrR
jmp exit1R
exit2R: cmp dl,1
jnb mov_crsrR
jmp exit1R
exit9R: cmp dh,17
jb mov_crsrR
jmp exit1R
exit10R: cmp dh,3
ja mov_crsrR
exit1R: pop di
pop dx
pop cx
pop bx
pop ax
ret
mov_crsrR:
mov ah,2
int 10h
mov al,[di]
mov bl,[di+1]
push cx
mov cx,1
mov ah,09
int 10h
pop cx
add di,4
loop plot_nextR
exit4R: dec count
je exit3R
call dly_qrtr
jmp exit4R
exit3R: call erase1
mov count,5
jmp short plot_nextR
move_shape endp
;----------------------------------------
;-------------------------------------
move_shape1 proc near
push ax
push bx
push cx
push dx
push di
mov ah,0fh
int 10h
sub ch,ch
mov cl,[di]
inc di
mov char_cnt1,cx
mov pointer1,di
mov line_on1,dh
mov col_on1,dl
pop di
pop dx
pop cx
pop bx
pop ax
ret
move_shape1 endp
;----------------------------
move_shape2 proc near
push ax
push bx
push cx
push dx
push di
mov ah,0fh
int 10h
sub ch,ch
mov cl,[di]
inc di
mov char_cnt2,cx
mov pointer2,di
mov line_on2,dh
mov col_on2,dl
pop di
pop dx
pop cx
pop bx
pop ax
ret
move_shape2 endp
;-----------------------------------------
;-----------------------------------------
must_2 proc near
push ax
push bx
push cx
push dx
push di
mov ah,0fh
int 10h
exit4: sub cx,cx
mov cx,char_cnt1
mov di,pointer1
mov dh,line_on1
mov dl,col_on1
jmp plot_next
exit3: sub cx,cx
mov cx,char_cnt2
mov di,pointer2
mov dh,line_on2
mov dl,col_on2
jmp plot_next
exit5: dec count
je exit7
call dly_qrtr
jmp exit5
exit7: inc char
call erase
mov count,5
cmp char0,1
jne exit11
inc char0
exit11: jmp short exit4
plot_next: add dh,[di+2]
add dl,[di+3]
cmp dh,char1
jne mov_crsr1
dec char2
jmp mov_crsr1
exit2: pop di
pop dx
pop cx
pop bx
pop ax
ret
exit10: call dly_qrtr
call dly_qrtr
call dly_qrtr
call dly_qrtr
call dly_qrtr
jmp exit4
mov_crsr1:
mov ah,2
int 10h
mov al,[di]
mov bl,[di+1]
push cx
mov cx,1
mov ah,09
int 10h
pop cx
add di,4
loop plot_next
cmp char,1
je exit8
dec char
jmp exit3
exit8: cmp char2,0
je exit9
cmp dl,39
jne exit5
dec char0
jmp exit5
exit9: cmp col_on2,2
je exit12
add col_on1,2
sub col_on2,2
mov char2,4
inc char
jmp exit10
exit12: dec char1
jmp exit2
must_2 endp
;--------------$$$$$$$$$$$$----------------
erase proc near
sub cx,cx
mov cx,char_cnt1
mov di,pointer1
mov dh,line_on1
mov dl,col_on1
jmp erase_next
exit6: sub cx,cx
mov cx,char_cnt2
mov di,pointer2
mov dh,line_on2
mov dl,col_on2
jmp erase_next
erase_next:
add dh,[di+2]
add dl,[di+3]
mov ah,2
int 10h
mov al,'*'
mov bl,0
push cx
mov cx,1
mov ah,9
int 10h
pop cx
add di,4
loop erase_next
;---------------------------
cmp char0,1
je left1
cmp char,1
jz left
inc col_on1
dec char
jmp short exit6
left: dec col_on2
inc char
ret
left1: cmp char,1
jz left2
inc line_on1
dec char
jmp short exit6
left2: inc line_on2
inc char
ret
erase endp
;-----------------------------------------
;--------------------------------------------
erase1 proc near
cmp count0,4
jne exit6R
add col_on,2
jmp exitR
exit6R: cmp count0,3
jne exit7R
sub col_on,2
jmp exitR
exit7R: cmp count0,2
jne exit8R
inc line_on
jmp exitR
exit8R: cmp count0,1
jne exitR
dec line_on
exitR: mov dh,line_on
mov dl,col_on
mov cx,char_cnt
mov di,pointer
ret
erase1 endp
;------------------------------------------
dly_qrtr proc near
push cx
push dx
mov dx,25
dll: mov cx,65500
dl2: loop dl2
dec dx
jnz dll
pop dx
pop cx
ret
dly_qrtr endp
;---------------------------------------
code_seg ends
end main
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