其他智力游戏

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Visual C++

Keyintr.cpp：源码内容

							#ifndef KEYINTR_CPP
#define KEYINTR_CPP
//#pragma inline
#include <stdio.h>
#include <dos.h>
#include <conio.h>
#include "keyintr.h"
void installKeyFunc(){
	inGame=0;
	oldkey=getvect(INTR_KEY);
	setvect(INTR_KEY,NewKey);
	keyboard.status=READY;
	keytable[0]=0L;
	keytable[1]=0L;
	keytable[2]=0L;
	keytable[3]=0L;
}
void uninstallKeyFunc(){setvect(INTR_KEY,oldkey);}
void interrupt NewKey(__CPPFLAG){
//	char theKey;
	if(inGame&KEYNEW){
		//inGame^=KEYNEW;
	//if(keyboard.status!=READY)goto ENDi;
		asm{
			sti //;if i do not open interrupt it runs better.
	 // read the key in ah and al
			in al,0x60
			mov ah,al
			push ax
			in   al,0x61
			mov  ah,al
			or   al,0x80
			out  0x61,al
			xchg ah,al
			out  0x61,al
			pop  ax
			cmp byte ptr keyboard.status,READY
			jnz END
			and al,0x7f			//mov theKey,al
//		if(!keytable[theKey>>5]&(1<<(theKey&0x0f))){
			mov bl,al
			shr bl,3
			xor bh,bh  //calculate index of keytable
			mov cl,al
			and cl,0x07
			test ah,0x80;jnz short KEY_RELEASED
			mov ah,1
			shl ah,cl
	 // push down
			test keytable[bx],ah;jnz short END
			or  keytable[bx],ah		//keytable[theKey>>4]|=1<<(theKey&0x0f);
			mov byte ptr keyboard.status,PRESS		//keyboard.status=PRESS;
			mov byte ptr keyboard.recentPressKey,al		//keyboard.recentKey=theKey;
			jmp short END
		}KEY_RELEASED:
		asm{
			mov ah,1
			shl ah,cl
		//released
			test keytable[bx],ah;jz short END
			not ah
			and keytable[bx],ah		//keytable[theKey>>4]|=1<<(theKey&0x0f);
			mov byte ptr keyboard.status,RELEASE		//keyboard.status=RELEASE;
			mov byte ptr keyboard.recentReleaseKey,al		//keyboard.recentKey=theKey;
		}
		END:asm{
			cli //;i have not start the interrupt (sti),so it isn't needed
			mov al,0x20
			out 0x20,al
		}
		//inGame^=KEYNEW;
	}else oldkey();
}
int getch_Key(){
	uchar key=1;
	while(key){
		while(keyboard.status==READY);
		key=keyboard.recentPressKey;
		keyboard.status=READY;
		while(keyboard.status==READY);
		key-=keyboard.recentReleaseKey;
		keyboard.status=READY;
	}
	return key;
}
int wait_Key(){
	if(keyboard.status==READY)return 1;
	else {
		keyboard.status=READY;
		while(keyboard.status==READY);
		keyboard.status=READY;
		return 0;
	}
}
void keyLock(){
	keyboard.savestatus=keyboard.status;
	keyboard.status=WAIT;
}
void keyUnlock(){
	keyboard.status=keyboard.savestatus;
}
void inputString(char *str,int x,int y,int length,STRMode mode){
	int i=0;
	char a[2];
	a[1]='';
	inGame=NONE;
	while((a[0]=getch())!=0x0d){
		if(i&&a[0]=='b'){
			textxy(x+i*9,y," ");
			i--;
		}
		if(i<length){
			if(a[0]>='a'&&a[0]<='z'&&(mode&SMLCHARA))goto ADD;
			if(a[0]>='A'&&a[0]<='Z'&&(mode&CAPCHARA))goto ADD;
			if(a[0]>='0'&&a[0]<='9'&&(mode&NUMBER))goto ADD;
			if(a[0]>=' '&&a[0]<='/'&&(mode&NORMSYMBLES))goto ADD;
			if(a[0]>=':'&&a[0]<='@'&&(mode&SPECSYMBLES))goto ADD;
			if((a[0]>='['&&a[0]<=''')||(a[0]>='{'&&a[0]<='~')&&(mode&SPECSYMBLES))goto ADD;
			continue;
		 ADD:
			str[i++]=a[0];
			textxy(x+i*9,y,a);
		}
	}
	str[i]=a[1];
	inGame=KEYNEW;
}
#endif

						