ymclass.cpp

基于PC104平台

////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//                 File name: ymclass.cpp
//  This file define the functions of base module YM
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
#include "ymclass.h"
/////////////////////////////////////////////////////////////////////
void CYm::yminit()
{
  for(int i=0;i<128;i++)board_ym[i]=0;
  ym_begin=YM_NONE_SAMPLE;
}//void CYm::yminit()
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
int CYm::selection()
{
  if((select_byte1[0]==select_byte1[1])||(select_byte1[0]==select_byte1[2]))
  {
	selected_byte1=select_byte1[0];
    return(1);
  }//if(select_byte1[0]==select_byte1[1])
  else if(select_byte1[1]==select_byte1[2])
       {
	 selected_byte1=select_byte1[1];
	 return(1);
       }//if(select_byte1[1]==select_byte1[2])
       else return(0);
}//int CYm::selection()
int CYm::Get8Ym(int address,int orderno)
{
  int code_conv[4]={YM14,YM24,YM34,YM44};
  outportb(hardwareset[C3724].address+1,address+code_conv[orderno]);
  for(int i=0;i<WAIT2US;i++);
  return(inportb(hardwareset[C3724].address)&0xff);
}//int CYm::Get8Ym(int address,int orderno)
void CYm::boradymget()
{
  int i;
  int ym_board_add[16]={YMB0,YMB1,YMB2,YMB3,YMB4,YMB5,YMB6,YMB7};
  int ym_board_no;  //cycle varible for board and group
  unsigned int temp1,temp2;
  unsigned int temp3,temp4;
  unsigned int read_data;
  temp1=datasource.board_ym;
  temp2=temp1/32;
  if(temp1>(temp2*32))temp2++;
  if(temp2>4)return;
  for(i=0;i<8;i++)ym_old_bit_value[i]=ym_new_bit_value[i];
  for(ym_board_no=0;ym_board_no<temp2;ym_board_no++)
  {
	for(temp3=0;temp3<2;temp3++)
	{
	  for(i=0;i<3;i++)
	  {
		read_data=Get8Ym(ym_board_add[ym_board_no],temp3*2+1);
		read_data=~read_data;
		read_data&=0xff;
		select_byte1[i]=read_data;
	  }//for(i=0;i<3;i++)
	  if(selection())
	  {
	temp4=selected_byte1&0xff;
	temp4<<=0x08;
	  }//if(selection())
	  else temp4=ym_new_bit_value[ym_board_no*2+temp3]&0xff00;
	  for(i=0;i<3;i++)
	  {
	read_data=Get8Ym(ym_board_add[ym_board_no],temp3*2);
	read_data=~read_data;
	read_data&=0xff;
	select_byte1[i]=read_data;
      }//for(i=0;i<3;i++)
	  if(selection())temp4+=selected_byte1&0xff;
      else temp4+=ym_new_bit_value[ym_board_no*2+temp3]&0xff;
      ym_new_bit_value[ym_board_no*2+temp3]=temp4;
    }//for(temp3=0;temp3<2;temp3++)
  }//for(ym_board_no=0;ym_board_no<temp2;ym_board_no++)
  if(ym_begin==YM_NONE_SAMPLE)ym_begin=YM_FIRST_SAMPLE;
    else if(ym_begin==YM_FIRST_SAMPLE)ym_begin=YM_SECOND_SAMPLE;
}//void CYm::boradymget()
void CYm::boardymdeal()
{
  int i,j;
  unsigned int test=0x01;
  unsigned int test1;
  unsigned int temp1,temp2;
  unsigned int new_bit_ym,old_bit_ym;
  boradymget();
  temp1=datasource.board_ym;
  temp2=temp1/16;
  if(temp1>(temp2*16))temp2++;
  if(temp2>8)return;
  for(i=0;i<temp2;i++)
  {
    new_bit_ym=ym_new_bit_value[i];
    old_bit_ym=ym_old_bit_value[i];
	for(j=0;j<16;j++)
    {
      test1=test;
      test1<<=j;
      if(!(ym_info.ym_set_bit[i]&test1))
	  {
	if(new_bit_ym&test1)
	{
	  if(ym_begin==YM_SECOND_SAMPLE)
	  {
	    if(!(old_bit_ym&test1))
	    {
		  if(board_ym[j+i*16]>=0xffffffff)board_ym[j+i*16]=0;
		  else board_ym[j+i*16]++;
	    }//if(!(old_bit_ym&test1))
	  }//if(ym_begin==YM_SECOND_SAMPLE)
	  else
	    if(ym_begin==YM_FIRST_SAMPLE)
	    {
	      if(board_ym[j+i*16]>=0xffffffff)board_ym[j+i*16]=0;
		  else board_ym[j+i*16]++;
	    }//if(ym_begin==YM_FIRST_SAMPLE)
	}//if(new_bit_ym&test1)
      }//if(!(ym_info.ym_set_bit[i]&test1))
    }//for(j=0;j<16;j++)
  }//for(i=0;i<temp2;i++)
}//void CYm::boardymdeal()
void CYm::ymdeal()
{
  int i,j;
  unsigned int test=0x01;
  unsigned int test1;
  unsigned int temp1,temp2;
  unsigned long temp_ym[128];    //for save board ym
  if(datasource.total_ym>128)return;
//  boardymdeal();
  for(i=0;i<datasource.board_ym;i++)temp_ym[i]=board_ym[i];
  for(i=0;i<datasource.port_ym;i++)temp_ym[i+datasource.board_ym]=gport_ym[i];
  for(i=0;i<(128-datasource.board_ym-datasource.port_ym);i++)
	 temp_ym[i+datasource.board_ym+datasource.port_ym]=0x00;
  for(i=0;i<datasource.total_ym;i++)
  {
	test1=test;
	temp1=i/16;
	temp2=i-temp1*16;
	test1<<=temp2;
	if(!(ym_info.ym_set_bit[temp1]&test1))ym_info.ym_value[i]=temp_ym[i];
	if((ym_sequence[0][0]==4096)&&(ym_sequence[1][0]==4096))
	  sport_ym[i]=ym_info.ym_value[i];
	else
	  if((ym_sequence[i][0]!=2048)&&(ym_sequence[i][0]<=128))
	sport_ym[ym_sequence[i][0]]=ym_info.ym_value[i];
  }//for(i=0;i<datasource.total_ym;i++)
}//void CYm::ymdeal()
//////////////////////////////////////////////////////////////////////////////////////
//The end of ymclass.cpp
//////////////////////////////////////////////////////////////////////////////////////