//-------------------------------------------------------------
// 82G516 E/V BOARD ( DT-516 )
//-------------------------------------------------------------
// XTAL : 22.1184Hz
//-------------------------------------------------------------
// filename: DT516-140.c
// 2명이 즐기는 FND DICE
//-------------------------------------------------------------
#include 
//
#define  U_C      unsigned char
#define  U_I      unsigned int
#define  U_L      unsigned long
//
#define  I_C      idata char
#define  I_I      idata int
#define  I_L      idata long
#define  I_F      idata float
#define  IU_C     idata unsigned char
#define  IU_I     idata unsigned int
#define  IU_L     idata unsigned long
//
#define  X_C      xdata char
#define  X_I      xdata int
#define  X_L      xdata long
#define  X_F      xdata float
#define  XU_C     xdata unsigned char
#define  XU_I     xdata unsigned int
#define  XU_L     xdata unsigned long
//
#define  C_C      code char
#define  C_I      code int
#define  C_L      code long
#define  C_F      code float
#define  CU_C     code unsigned char
#define  CU_I     code unsigned int
#define  CU_L     code unsigned long
//
#define  FND_COM1  P40
#define  FND_COM2  P41
#define  FND_COM3  P42
#define  FND_COM4  P43
#define  FND_SEG   P0
//
CU_C Seg_Data[]={
    0xC0,0xF9,0xA4,0xB0,0x99,0x92,0x82,0xF8,0x80,0x90,0x88,0x83,0xC6,0xA1,0x86,0x8E,0xFF,0xF7 //0123456789AbcdEF,sp,_
};
//
bit delay_flg=0;
U_C FND_CNT=0, FND_BUF[4]={16,16,16,16};
U_I delay_buf=0,i=0;
//
void Timer_0_Interrupt(void) interrupt 1{  // 225Hz주기
    P4=0xFF; // FND OFF
    switch(FND_CNT){
        case 0: P0=Seg_Data[FND_BUF[0]]; FND_COM1=0; break;
        case 1: P0=Seg_Data[FND_BUF[1]]; FND_COM2=0; break;
        case 2: P0=Seg_Data[FND_BUF[2]]; FND_COM3=0; break;
        case 3: P0=Seg_Data[FND_BUF[3]]; FND_COM4=0; break;
    }
    if(++FND_CNT>3)FND_CNT=0;
    //
    if(delay_buf){ if(--delay_buf==0)delay_flg=1; }
}
//
void delay_ms(U_I d){ 
    delay_buf=(U_I)((float)d*0.225);
    if(delay_buf==0)delay_buf=1;
    TH0=0; delay_flg=0; while(!delay_flg);
}
//
void main(){
    ET0=1; TR0=1; TR1=1; EA=1;
    while(1){
        while(P34); delay_ms(100); while(!P34); delay_ms(100);
        FND_BUF[0]=FND_BUF[1]=FND_BUF[2]=FND_BUF[3]= 8; delay_ms(1000);
        FND_BUF[0]=FND_BUF[1]=FND_BUF[2]=FND_BUF[3]= 16;
        //
        FND_BUF[1]=17; i=1; while(P20){ FND_BUF[0]=i++; if(i>=7)i=1; delay_ms(25); };
        i=TH1; i<<=8; i+=TL1; i%=6; FND_BUF[0]=i+1;
        delay_ms(100); while(!P20); delay_ms(100); FND_BUF[1]=16; 
        //
        FND_BUF[2]=17; i=1; while(P23){ FND_BUF[3]=i++; if(i>=7)i=1; delay_ms(25); };
        i=TH1; i<<=8; i+=TL1; i%=6; FND_BUF[3]=i+1;
        delay_ms(100); while(!P23); delay_ms(100); FND_BUF[2]=16; 
    }
}
//-------------------------------------------------------------