匯編語言寫的貪吃蛇小游戲源代碼-wenkub
2023-04-24 02:23:03 本頁面
【正文】 l,tal2jmp wnext4wnext3:dec dhinc dlreadh dh,dlcmp pst,1jne wnext4write dh,dl,tal2wnext4:pop dxendmreadcg macro row,col 。當蛇碰壁或自身轉到此游戲結束mov ah,6mov al,0mov ch,0mov cl,0mov dh,24mov dl,79mov bh,7int 10hmov dh,17mov dl,17mov ah,2mov bh,0int 10hmov ah,9lea dx,gmovint 21hmov ax,0 。q39。此處實現(xiàn)蛇向上走push dxmov dh,1mov dl,0mov cx,23cmpu1:push cxmov cx,79cmpu2:readh dh,dlcmp pst,2jne nextu3jmp nextu4nextu3:jmp near ptr nextunextu4:readcg dh,dlpop cxjmp near ptr endunextu:inc dljmp nextu2chgu2:jmp near ptr cmpu2nextu2:loop chgu2sub dl,79inc dhpop cxjmp nextu1chgu1:jmp near ptr cmpu1nextu1:loop chgu1endu:pop dxdec dhwrite dh,dl,snkjmp near ptr wrt1turndown: 。更改后的中斷服務程序push axin al,60hmov adrs,almov al,20hout 20h,alpop axiretDLY PROC near 。除23，產(chǎn)生0~23余數(shù) DIV DL MOV frow,AH 。除79，產(chǎn)生0~79余數(shù) DIV DL MOV fcol,AH 。讀時鐘計數(shù)器值 INT 1AH MOV AX,DX 。讀時鐘計數(shù)器值 INT 1AH MOV AX,DX 。此處實現(xiàn)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 。此處蛇行走過程的無限循環(huán)call dlypush dxinc dhcmp dh,25je ovflwinc dlcmp dl,80je ovflwpop dxpush dxdec dhcmp dh,0je ovflwdec dlcmp dl,1je ovflwpop dxpush dxlea ax,turnrightcmp addrs,axjne tonxt2inc dlreadh dh,dlcmp pst,1je tonxt1cmp pst,2je tonxt1cmp pst,4je tonxt1jmp tonxt2tonxt1:jmp ovflwtonxt2:pop dxpush dxlea ax,turnupcmp addrs,axjne tonxt4dec dhreadh dh,dlcmp pst,1je tonxt3
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