M&K

//**IMPORTANT** please read
//This is old C++ code, runs on turbo C++, not recommended to learn anything from this, you can try and run this
#include <iostream.h>
#include <stdio.h>
#include <conio.h>
#include <dos.h>
#include <bios.h>

#define ASC(asciiValue) (char)asciiValue
#define _DebugStop(a)   cout<<a<<endl;getch()

#define BLOCK       219

#define NORMAL      178
#define ONLCLICK    221
#define ONRCLICK    222
#define ONMCLICK    220

#define oXlim       639
#define oYlim       191

#define xlim        80
#define ylim        24


union REGS in,out;

class MOUSE{
    public:
    float oX,oY;
    int x,y;
    char pointer;
    unsigned short state;
    int Update(void);
    int SetLimits(int MAX, int MIN,char AXIS);
    void ShowP(void);
};

class KEYBRD{
    public:
    short isKeyDown;
    unsigned short keyCode;
    unsigned short splStatus;
    int Update(void);
};

class PAGE{
    public:
    char space[ylim][xlim];
    MOUSE mouse;
    KEYBRD keybrd;

    PAGE()
    {

    for(int i=0;i<ylim;i++)
    {
        for(int j=0;j<xlim;j++)
        space[i][j]='X';
        space[i][j-1]='\0';
    }
    }

    int Update(void);
    void Show(void);
    void Clear(void);
    void ShowP(void);
    void PrintC(int ,int ,char);
    void PrintS(int ,int ,char[]);
};

int MOUSE::Update(void)
{
    in.x.ax = 3;
    int86(0x33,&in,&out);
    oX = out.x.cx;
    oY = out.x.dx;
    state = out.x.bx;

    x=(oX)/8;
    y=(oY)/8;

    switch (state)
    {
    case 0: pointer = NORMAL;
        break;
    case 1: pointer = ONLCLICK;
        break;
    case 2: pointer = ONRCLICK;
        break;
    case 3: pointer = ONMCLICK;
    }

    return 0;
}

int MOUSE::SetLimits(int MAX,int MIN, char AXIS)
{
    switch(AXIS)
    {
    case 'x': in.x.ax = 7;
    break;
    case 'y': in.x.ax = 8;
    }

    in.x.cx = MAX;
    in.x.dx = MIN;
    int86(0x33,&in,&out);
    return 0;
}

/*void MOUSE::ShowP()
{
    gotoxy(x+1,y+1);
    cout<<pointer;
}*/

int KEYBRD::Update(void)
{
    keyCode = _bios_keybrd(1) & 0xFF;
    //splStatus = _bios_keybrd(_KEYBRD_SHIFTSTATUS);
    return 0;
}

int PAGE::Update(void)
{
    keybrd.Update();
    mouse.Update();

    return 0;
}

void PAGE::Show(void)
{
    //for(int x=0;x<ylim;x++) space[0][x]=ASC(65+x);
    //space[0][ylim-1]='\0';
    for(int i=0;i<ylim;i++){
        puts(space[i]);
    }
    Clear();
    ShowP();
    //for(int i = 0 ; i < ylim ; i++)
    {
    //gotoxy(1,1+i);
    //cout<<space[0];//delay(500);
    //puts(space[0]);
    //_DebugStop("Display space[0]");
    }
}

void PAGE::ShowP(void)
{
    PrintC(mouse.x,mouse.y,mouse.pointer);
}

void PAGE::Clear(void)
{
    for( int x=0 ; x < ylim ; x++ )
    {
    for( int y=0 ; y < xlim ; y++)
        space[x][y] = ' ';
    space[x][y-1]='\0';
    }
}

void PAGE::PrintC(int x, int y, char ch)
{
    space[y][x] = ch;
}

void PAGE::PrintS(int x,int y, char* s)
{
    for(int i = x ; s[i]!='\0' ; i++ ) space[y][i]=s[i];
}

class Shape{
    char tex[4][4];
    int isFlip;
    public:
    Shape(int rnd)
    {
        int i,j;
        switch(rnd)
        {
            case 0:{
                if(isFlip){
                    for(i=0;i<4;i++)
                        for(j=0;j<4;j++)
                        {

                        }
                }
            }break;
            case 1:
            case 2:
            case 3:
            case 4:
            case 5:
            case 6:
        }
    }

};

int main(void)
{
    PAGE page;
    clrscr();
    _setcursortype(_NOCURSOR);
    page.mouse.SetLimits(191 ,0 ,'y');
    do{
    page.Update();
    gotoxy(1,1);

    //cout<<page.mouse.x<<","<<page.mouse.y<<"    \n";
    page.Show();
    delay(10);
    }while(page.keybrd.keyCode != 'q');
    return 0;
}