📄 snake.asm
字号:
DATA SEGMENT
SSPEED DB 'SPEED:',0DH,0AH,'$'
SSPEEDH DB '1.HIGH',0DH,0AH,'$'
SSPEEDN DB '2.NORMAL',0DH,0AH,'$'
SSPEEDL DB '3.LOW',0DH,0AH,'$'
SSPEEDH1 DB 'HIGH',0DH,0AH,'$'
SSPEEDN1 DB 'NORMAL',0DH,0AH,'$'
SSPEEDL1 DB 'LOW',0DH,0AH,'$'
DIRECTIONL DB 'LEFT:A',0DH,0AH,'$'
DIRECTIONR DB 'RIGHT:D',0DH,0AH,'$'
DIRECTIONU DB 'UP:W',0DH,0AH,'$'
DIRECTIOND DB 'DOWN:S',0DH,0AH,'$'
AUTHOR1 DB 'AUTHOR:',0DH,0AH,'$'
AUTHOR2 DB 'ZPQ',0DH,0AH,'$'
BETA DB 'BETA2.0',0DH,0AH,'$'
SPEED DB ?
EMP1 DB 50 DUP(?)
SNAKE DB 9,9,12,9,15,9,18,9,21,9
DB 24,9,27,9,30,9,33,9,36,9
DB 39,9,42,9,45,9,48,9,51,9
EMP2 DB 500 DUP(?)
DATA ENDS
STACK SEGMENT STACK
STACK ENDS
CODE SEGMENT
ASSUME CS:CODE,DS:DATA,SS:STACK
CLEAR PROC NEAR ;清屏
PUSH AX
PUSH BX
PUSH CX
PUSH DX
MOV AH,6
MOV AL,7
MOV CH,0
MOV CL,0
MOV DH,200
MOV DL,200
MOV BH,0
INT 10H
POP DX
POP CX
POP BX
POP AX
RET
CLEAR ENDP
POINT PROC NEAR ;画点
PUSH AX
PUSH BX
PUSH CX
PUSH DX
DEC CX
DEC DX
MOV AL,1
MOV AH,0CH
INT 10H
INC CX
MOV AL,1
MOV AH,0CH
INT 10H
INC CX
MOV AL,1
MOV AH,0CH
INT 10H
INC DX
MOV AL,1
MOV AH,0CH
INT 10H
DEC CX
MOV AL,3
MOV AH,0CH
INT 10H
DEC CX
MOV AL,3
MOV AH,0CH
INT 10H
INC DX
MOV AL,3
MOV AH,0CH
INT 10H
INC CX
MOV AL,3
MOV AH,0CH
INT 10H
INC CX
MOV AL,3
MOV AH,0CH
INT 10H
POP DX
POP CX
POP BX
POP AX
RET
POINT ENDP
POINT1 PROC NEAR ;画框架点
PUSH AX
PUSH BX
PUSH CX
PUSH DX
DEC CX
DEC DX
MOV AL,2
MOV AH,0CH
INT 10H
INC CX
MOV AL,2
MOV AH,0CH
INT 10H
INC CX
MOV AL,2
MOV AH,0CH
INT 10H
INC DX
MOV AL,2
MOV AH,0CH
INT 10H
DEC CX
MOV AL,2
MOV AH,0CH
INT 10H
DEC CX
MOV AL,2
MOV AH,0CH
INT 10H
INC DX
MOV AL,2
MOV AH,0CH
INT 10H
INC CX
MOV AL,2
MOV AH,0CH
INT 10H
INC CX
MOV AL,2
MOV AH,0CH
INT 10H
POP DX
POP CX
POP BX
POP AX
RET
POINT1 ENDP
DPOINT PROC NEAR ;清点
PUSH AX
PUSH BX
PUSH CX
PUSH DX
DEC CX
DEC DX
MOV AL,0
MOV AH,0CH
INT 10H
INC CX
MOV AL,0
MOV AH,0CH
INT 10H
INC CX
MOV AL,0
MOV AH,0CH
INT 10H
INC DX
MOV AL,0
MOV AH,0CH
INT 10H
DEC CX
MOV AL,0
MOV AH,0CH
INT 10H
DEC CX
MOV AL,0
MOV AH,0CH
INT 10H
INC DX
MOV AL,0
MOV AH,0CH
INT 10H
INC CX
MOV AL,0
MOV AH,0CH
INT 10H
INC CX
MOV AL,0
MOV AH,0CH
INT 10H
POP DX
POP CX
POP BX
POP AX
RET
DPOINT ENDP
READY PROC NEAR ;画框架
PUSH AX
PUSH BX
PUSH CX
PUSH DX
MOV BX,50
MOV CX,6
MOV DX,6
READY1:
CALL POINT1
INC CX
INC CX
INC CX
DEC BX
JNZ READY1
MOV BX,50
READY2:
CALL POINT1
INC DX
INC DX
INC DX
DEC BX
JNZ READY2
MOV BX,50
READY3:
CALL POINT1
DEC CX
DEC CX
DEC CX
DEC BX
JNZ READY3
MOV BX,50
READY4:
CALL POINT1
DEC DX
DEC DX
DEC DX
DEC BX
JNZ READY4
MOV BX,30
MOV CX,180
MOV DX,6
READY5:
CALL POINT1
INC CX
INC CX
INC CX
DEC BX
JNZ READY5
MOV BX,40
READY6:
CALL POINT1
INC DX
INC DX
INC DX
DEC BX
JNZ READY6
MOV BX,30
READY7:
CALL POINT1
DEC CX
DEC CX
DEC CX
DEC BX
JNZ READY7
MOV BX,40
READY8:
CALL POINT1
DEC DX
DEC DX
DEC DX
DEC BX
JNZ READY8
POP DX
POP CX
POP BX
POP AX
RET
READY ENDP
DRAW PROC NEAR ;画蛇
PUSH BX
PUSH CX
PUSH DX
PUSH SI
PUSH DI
DEC SI
DEC SI
MOV CL,[SI]
XOR CH,CH
INC SI
MOV DL,[SI]
XOR DH,DH
DEC SI
CALL DPOINT
INC SI
INC SI
DRAW1:
MOV CL,[SI]
XOR CH,CH
INC SI
MOV DL,[SI]
XOR DH,DH
INC SI
CALL POINT
DEC BL
JNZ DRAW1
POP DI
POP SI
POP DX
POP CX
POP BX
RET
DRAW ENDP
MOVE PROC NEAR ;移动
INC SI
INC SI
CMP BH,'a'
JZ MOVERL
CMP BH,'d'
JZ MOVERL
CMP BH,'w'
JZ MOVEUD
CMP BH,'s'
JZ MOVEUD
MOVERL:
CMP AL,'w'
JZ MOVEU
CMP AL,'s'
JZ MOVED
CMP BH,'a'
JZ MOVEL
CMP BH,'d'
JZ MOVER
MOVEUD:
CMP AL,'a'
JZ MOVEL
CMP AL,'d'
JZ MOVER
CMP BH,'w'
JZ MOVEU
CMP BH,'s'
JZ MOVED
MOVEL:
MOV AH,[DI]
SUB AH,3
INC DI
MOV AL,[DI]
INC DI
MOV [DI],AH
INC DI
MOV [DI],AL
DEC DI
MOV BH,'a'
JMP MOVEEND
MOVER:
MOV AH,[DI]
ADD AH,3
INC DI
MOV AL,[DI]
INC DI
MOV [DI],AH
INC DI
MOV [DI],AL
DEC DI
MOV BH,'d'
JMP MOVEEND
MOVEU:
MOV AH,[DI]
INC DI
MOV AL,[DI]
SUB AL,3
INC DI
MOV [DI],AH
INC DI
MOV [DI],AL
DEC DI
MOV BH,'w'
JMP MOVEEND
MOVED:
MOV AH,[DI]
INC DI
MOV AL,[DI]
ADD AL,3
INC DI
MOV [DI],AH
INC DI
MOV [DI],AL
DEC DI
MOV BH,'s'
JMP MOVEEND
MOVEEND:
RET
MOVE ENDP
RESET PROC NEAR ;移位
PUSH AX
PUSH BX
PUSH CX
PUSH DX
PUSH DI
MOV DI,SI
DEC DI
DEC DI
MOV DX,DI
RESET1:
MOV AL,[SI]
MOV [DI],AL
INC SI
INC DI
MOV AL,[SI]
MOV [DI],AL
INC SI
INC DI
DEC Bl
JNZ RESET1
RESET2:
MOV SI,DX
POP DI
DEC DI
DEC DI
POP DX
POP CX
POP BX
POP AX
RET
RESET ENDP
DELAY PROC NEAR ;延迟
PUSH AX
PUSH BX
PUSH CX
PUSH DX
LEA BX,SPEED
MOV BX,[BX]
MOV AH,0
INT 1AH
ADD BX,DX
LOOP1:
INT 1AH
CMP DX,BX
JNZ LOOP1
POP DX
POP CX
POP BX
POP AX
RET
DELAY ENDP
RPOINT PROC NEAR ;随机点
PUSH AX
PUSH BX
CMP CH,1
JNZ RPOINTEND
JMP RPOINT1
RSET:
POP SI
POP BX
PUSH BX
RPOINT1:
MOV AH,2CH
INT 21H
MOV CL,4
MOV AL,DH
SHL AX,CL
AND AH,0FH
SHR AL,CL
AND AL,0FH
MOV BL,DL
SHL BX,CL
AND BH,0FH
SHR BL,CL
AND BL,0FH
ADD AL,AH
ADD AL,AH
MOV CH,AL
ADD AL,CH
ADD AL,CH
ADD AL,CH
ADD AL,CH
ADD AL,CH
MOV CL,AL
ADD CL,21
XOR CH,CH
ADD BL,BH
MOV DH,BL
ADD BL,DH
ADD BL,DH
ADD BL,DH
ADD BL,DH
ADD BL,DH
MOV DL,BL
ADD DL,21
XOR DH,DH
POP BX
PUSH BX
PUSH SI
RPOINT2:
;MOV AH,[SI]
;INC SI
;MOV AL,[SI]
;INC SI
;CLC
;CMP CL,AH
;JZ RSET
;CLC
;CMP DL,AL
;JZ RSET
;CLC
DEC BL
JNZ RPOINT2
CALL POINT
POP SI
RPOINTEND:
POP BX
POP AX
MOV CH,0
RET
RPOINT ENDP
EAT PROC NEAR
PUSH AX
PUSH BX
PUSH CX
PUSH DX
PUSH DI
PUSH SI
MOV AH,[DI]
INC DI
MOV AL,[DI]
CMP AH,CL ;蛇头位置跟随机点比较
JNZ EAT2
CMP AL,DL
JNZ EAT2
EAT1: ;吃掉
POP SI
POP DI
POP DX
POP CX
POP BX
CMP BH,'a'
JZ EATL
CMP BH,'d'
JZ EATR
CMP BH,'w'
JZ EATU
CMP BH,'s'
JZ EATD
EATL:
MOV AH,[DI]
SUB AH,3
INC DI
MOV AL,[DI]
INC DI
MOV [DI],AH
INC DI
MOV [DI],AL
DEC DI
JMP EAT11
EATR:
MOV AH,[DI]
ADD AH,3
INC DI
MOV AL,[DI]
INC DI
MOV [DI],AH
INC DI
MOV [DI],AL
DEC DI
JMP EAT11
EATU:
MOV AH,[DI]
INC DI
MOV AL,[DI]
SUB AL,3
INC DI
MOV [DI],AH
INC DI
MOV [DI],AL
DEC DI
JMP EAT11
EATD:
MOV AH,[DI]
INC DI
MOV AL,[DI]
ADD AL,3
INC DI
MOV [DI],AH
INC DI
MOV [DI],AL
DEC DI
JMP EAT11
EAT11:
POP AX
INC BL ;蛇长度+1
MOV CH,1
RET
EAT2:
POP SI
POP DI
POP DX
POP CX
POP BX
POP AX ;没吃掉
RET
EAT ENDP
FAIL PROC NEAR ;失败
PUSH AX
PUSH BX
PUSH CX
PUSH DX
PUSH DI
PUSH SI
MOV AH,[DI]
INC DI
MOV AL,[DI]
INC DI
CMP AH,6
JZ FAIL2
CMP AH,156
JZ FAIL2
CMP AL,6
JZ FAIL2
CMP AL,156
JZ FAIL2
FAIL1:
DEC BL
CMP BL,0
JZ FAILNEXT
MOV CH,[SI]
INC SI
MOV CL,[SI]
INC SI
CMP AH,CH
JNZ FAIL1
CMP AL,CL
JNZ FAIL1
FAIL2:
POP SI
POP DI
POP DX
POP AX
POP BX
POP AX
MOV AH,4CH
INT 21H
FAILNEXT:
POP SI
POP DI
POP DX
POP CX
POP BX
POP AX
RET
FAIL ENDP
START:
MOV AX,DATA
MOV DS,AX
LEA BX,SPEED
MOV [BX],05FFH
LEA DX,SSPEED
MOV AH,09
INT 21H
LEA DX,SSPEEDH
MOV AH,09
INT 21H
LEA DX,SSPEEDN
MOV AH,09
INT 21H
LEA DX,SSPEEDL
MOV AH,09
INT 21H
MOV AH,1
INT 21H
CMP AL,'1'
JZ SPEED1
CMP AL,'2'
JZ SPEED2
CMP AL,'3'
JZ SPEED3
SPEED1:
MOV [BX],1
LEA DX,SSPEEDH1
JMP GAMENEXT
SPEED2:
MOV [BX],2
LEA DX,SSPEEDN1
JMP GAMENEXT
SPEED3:
MOV [BX],3
LEA DX,SSPEEDL1
JMP GAMENEXT
GAMENEXT:
PUSH DX
MOV AH,0
MOV AL,4
INT 10H
MOV AH,0BH
MOV BH,0
MOV BL,1
INT 10H
MOV DH,3 ;控制光标
MOV DL,27
MOV BH,0
MOV AH,2
INT 10H
POP DX
MOV AH,09
INT 21H
MOV DH,2
MOV DL,24
MOV BH,0
MOV AH,2
INT 10H
LEA DX,SSPEED
MOV AH,09
INT 21H
MOV DH,5
MOV DL,24
MOV BH,0
MOV AH,2
INT 10H
LEA DX,DIRECTIONL
MOV AH,09
INT 21H
MOV DH,6
MOV DL,24
MOV BH,0
MOV AH,2
INT 10H
LEA DX,DIRECTIONR
MOV AH,09
INT 21H
MOV DH,7
MOV DL,24
MOV BH,0
MOV AH,2
INT 10H
LEA DX,DIRECTIONU
MOV AH,09
INT 21H
MOV DH,8
MOV DL,24
MOV BH,0
MOV AH,2
INT 10H
LEA DX,DIRECTIOND
MOV AH,09
INT 21H
MOV DH,10
MOV DL,24
MOV BH,0
MOV AH,2
INT 10H
LEA DX,AUTHOR1
MOV AH,09
INT 21H
MOV DH,11
MOV DL,27
MOV BH,0
MOV AH,2
INT 10H
LEA DX,AUTHOR2
MOV AH,09
INT 21H
MOV DH,13
MOV DL,24
MOV BH,0
MOV AH,2
INT 10H
LEA DX,BETA
MOV AH,09
INT 21H
LEA SI,SNAKE
MOV DI,SI
ADD DI,28
MOV BL,15 ;蛇的初始长度
MOV BH,'d' ;初始移动方向
XOR AL,AL
MOV CH,1 ;随机点出现条件为CH=1
CALL READY
CALL DRAW
CALL DELAY
CALL DELAY
CALL DELAY
CALL DELAY
CALL DELAY
CALL DELAY
CALL DELAY
CALL DELAY
CALL DELAY
CALL DELAY
CALL DELAY
CALL DELAY
CALL DELAY
CALL DELAY
CALL DELAY
CALL DELAY
CALL DELAY
CALL DELAY
CALL DELAY
CALL DELAY
CALL DELAY
CALL DELAY
CALL DELAY
CALL DELAY
GAME:
MOV AH,0BH
INT 21H
INC AL
JE GAME1
JNE GAME2
GAME1:
MOV AH,08H
INT 21H
CALL MOVE
CALL DRAW
CALL RESET
CALL RPOINT
CALL EAT
CALL FAIL
CALL DELAY
JMP GAME
GAME2:
CALL MOVE
CALL DRAW
CALL RESET
CALL RPOINT
CALL EAT
CALL FAIL
CALL DELAY
JMP GAME
LAST:
MOV AH,4CH
INT 21H
CODE ENDS
END START⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -