匯編語言寫的貪吃蛇小游戲源代碼-資料下載頁
2025-04-09 02:23本頁面
【正文】 。此處實現蛇向下走push dxmov dh,1mov dl,0mov cx,23cmpd1:push cxmov cx,79cmpd2:readh dh,dlcmp pst,2jne nextd3jmp nextd4nextd3:jmp near ptr nextdnextd4:readcg dh,dlpop cxjmp near ptr enddnextd:inc dljmp nextd2chgd2:jmp near ptr cmpd2nextd2:loop chgd2sub dl,79inc dhpop cxjmp nextd1chgd1:jmp near ptr cmpd1nextd1:loop chgd1endd:pop dxinc dhwrite dh,dl,snkjmp near ptr wrt1turnback: 。此處實現蛇向右走push dxmov dh,1mov dl,0mov cx,23cmpb1:push cxmov cx,79cmpb2:readh dh,dlcmp pst,2jne nextb3jmp nextb4nextb3:jmp near ptr nextbnextb4:readcg dh,dlpop cxjmp near ptr endbnextb:inc dljmp nextb2chgb2:jmp near ptr cmpb2nextb2:loop chgb2sub dl,79inc dhpop cxjmp nextb1chgb1:jmp near ptr cmpb1nextb1:loop chgb1endb:pop dxdec dlwrite dh,dl,snkjmp near ptr wrt1exit:mov ax,0 ?；謴蚷nt9中斷mov es,axpush ds:[0]pop es:[9*4]push ds:[2]pop es:[9*4+2]mov ah,4chint 21hint9: 。更改后的中斷服務程序push axin al,60hmov adrs,almov al,20hout 20h,alpop axiretDLY PROC near 。延時子程序 PUSH CX PUSH DX MOV DX,10000DL1: MOV CX,9801DL2: LOOP DL2 DEC DX JNZ DL1 POP DX POP CX RETDLY ENDPRAND1 PROC PUSH CX PUSH DX PUSH AX STI MOV AH,0 。讀時鐘計數器值 INT 1AH MOV AX,DX 。清高6位 AND AH,3 MOV DL,23 。除23，產生0~23余數 DIV DL MOV frow,AH 。余數存frow，作隨機行數 POP AX POP DX POP CX RETRAND1 ENDPRAND2 PROC PUSH CX PUSH DX PUSH AX STI MOV AH,0 。讀時鐘計數器值 INT 1AH MOV AX,DX 。清高6位 AND AH,3 MOV DL,79 。除79，產生0~79余數 DIV DL MOV fcol,AH 。余數存fcol，作隨機列數 POP AX POP DX POP CX RETRAND2 ENDPCODE ENDS END start
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