summaryrefslogblamecommitdiffstatshomepage
path: root/src/emu/emumem_hem.cpp
blob: d7a41e10e9bc3f7f1d8ccd60fa3e9bc8704bbc25 (plain) (tree)
1
2
3
4
5
6
7
8
9






                                     
                                                                                                                                                                          
 
                                                                                                       

 
                                                                                                                  
 
                                                                                                          

 
                                                                                                        
 
                                                                      


 
                                                                                                                                      
 
                                                                                                     


                                                                    
                                                                                                  
 
                                                                              

 
                                                                                                                   
 
                                                                                                          

 
                                                                                                         
 
                                                                      





 
                                                                                                                                                                               
 
                                                                                                                                 

 
                                                                                                                       
 
                                                                                                                                    

 
                                                                                                             




                             
                                                                                                                                           
 
                                                                                                     


                                                                                                                        
                                                                                                       
 
                                                                                                        

 
                                                                                                                        
 
                                                                                                                                    

 
                                                                                                              





                             























































                                                      
// license:BSD-3-Clause
// copyright-holders:Olivier Galibert

#include "emu.h"
#include "emumem_hea.h"
#include "emumem_hem.h"

template<int Width, int AddrShift> typename emu::detail::handler_entry_size<Width>::uX handler_entry_read_memory<Width, AddrShift>::read(offs_t offset, uX mem_mask) const
{
	return m_base[((offset - this->m_address_base) & this->m_address_mask) >> (Width + AddrShift)];
}

template<int Width, int AddrShift> void *handler_entry_read_memory<Width, AddrShift>::get_ptr(offs_t offset) const
{
	return m_base + (((offset - this->m_address_base) & this->m_address_mask) >> (Width + AddrShift));
}

template<int Width, int AddrShift> std::string handler_entry_read_memory<Width, AddrShift>::name() const
{
	return util::string_format("memory@%x", this->m_address_base);
}


template<int Width, int AddrShift> void handler_entry_write_memory<Width, AddrShift>::write(offs_t offset, uX data, uX mem_mask) const
{
	offs_t off = ((offset - this->m_address_base) & this->m_address_mask) >> (Width + AddrShift);
	m_base[off] = (m_base[off] & ~mem_mask) | (data & mem_mask);
}

template<> void handler_entry_write_memory<0, 0>::write(offs_t offset, u8 data, u8 mem_mask) const
{
	m_base[(offset - this->m_address_base) & this->m_address_mask] = data;
}

template<int Width, int AddrShift> void *handler_entry_write_memory<Width, AddrShift>::get_ptr(offs_t offset) const
{
	return m_base + (((offset - this->m_address_base) & this->m_address_mask) >> (Width + AddrShift));
}

template<int Width, int AddrShift> std::string handler_entry_write_memory<Width, AddrShift>::name() const
{
	return util::string_format("memory@%x", this->m_address_base);
}





template<int Width, int AddrShift> typename emu::detail::handler_entry_size<Width>::uX handler_entry_read_memory_bank<Width, AddrShift>::read(offs_t offset, uX mem_mask) const
{
	return static_cast<uX *>(m_bank.base())[((offset - this->m_address_base) & this->m_address_mask) >> (Width + AddrShift)];
}

template<int Width, int AddrShift> void *handler_entry_read_memory_bank<Width, AddrShift>::get_ptr(offs_t offset) const
{
	return static_cast<uX *>(m_bank.base()) + (((offset - this->m_address_base) & this->m_address_mask) >> (Width + AddrShift));
}

template<int Width, int AddrShift> std::string handler_entry_read_memory_bank<Width, AddrShift>::name() const
{
	return m_bank.name();
}


template<int Width, int AddrShift> void handler_entry_write_memory_bank<Width, AddrShift>::write(offs_t offset, uX data, uX mem_mask) const
{
	offs_t off = ((offset - this->m_address_base) & this->m_address_mask) >> (Width + AddrShift);
	static_cast<uX *>(m_bank.base())[off] = (static_cast<uX *>(m_bank.base())[off] & ~mem_mask) | (data & mem_mask);
}

template<> void handler_entry_write_memory_bank<0, 0>::write(offs_t offset, u8 data, u8 mem_mask) const
{
	static_cast<uX *>(m_bank.base())[(offset - this->m_address_base) & this->m_address_mask] = data;
}

template<int Width, int AddrShift> void *handler_entry_write_memory_bank<Width, AddrShift>::get_ptr(offs_t offset) const
{
	return static_cast<uX *>(m_bank.base()) + (((offset - this->m_address_base) & this->m_address_mask) >> (Width + AddrShift));
}

template<int Width, int AddrShift> std::string handler_entry_write_memory_bank<Width, AddrShift>::name() const
{
	return m_bank.name();
}



template class handler_entry_read_memory<0,  1>;
template class handler_entry_read_memory<0,  0>;
template class handler_entry_read_memory<1,  3>;
template class handler_entry_read_memory<1,  0>;
template class handler_entry_read_memory<1, -1>;
template class handler_entry_read_memory<2,  3>;
template class handler_entry_read_memory<2,  0>;
template class handler_entry_read_memory<2, -1>;
template class handler_entry_read_memory<2, -2>;
template class handler_entry_read_memory<3,  0>;
template class handler_entry_read_memory<3, -1>;
template class handler_entry_read_memory<3, -2>;
template class handler_entry_read_memory<3, -3>;

template class handler_entry_write_memory<0,  1>;
template class handler_entry_write_memory<0,  0>;
template class handler_entry_write_memory<1,  3>;
template class handler_entry_write_memory<1,  0>;
template class handler_entry_write_memory<1, -1>;
template class handler_entry_write_memory<2,  3>;
template class handler_entry_write_memory<2,  0>;
template class handler_entry_write_memory<2, -1>;
template class handler_entry_write_memory<2, -2>;
template class handler_entry_write_memory<3,  0>;
template class handler_entry_write_memory<3, -1>;
template class handler_entry_write_memory<3, -2>;
template class handler_entry_write_memory<3, -3>;


template class handler_entry_read_memory_bank<0,  1>;
template class handler_entry_read_memory_bank<0,  0>;
template class handler_entry_read_memory_bank<1,  3>;
template class handler_entry_read_memory_bank<1,  0>;
template class handler_entry_read_memory_bank<1, -1>;
template class handler_entry_read_memory_bank<2,  3>;
template class handler_entry_read_memory_bank<2,  0>;
template class handler_entry_read_memory_bank<2, -1>;
template class handler_entry_read_memory_bank<2, -2>;
template class handler_entry_read_memory_bank<3,  0>;
template class handler_entry_read_memory_bank<3, -1>;
template class handler_entry_read_memory_bank<3, -2>;
template class handler_entry_read_memory_bank<3, -3>;

template class handler_entry_write_memory_bank<0,  1>;
template class handler_entry_write_memory_bank<0,  0>;
template class handler_entry_write_memory_bank<1,  3>;
template class handler_entry_write_memory_bank<1,  0>;
template class handler_entry_write_memory_bank<1, -1>;
template class handler_entry_write_memory_bank<2,  3>;
template class handler_entry_write_memory_bank<2,  0>;
template class handler_entry_write_memory_bank<2, -1>;
template class handler_entry_write_memory_bank<2, -2>;
template class handler_entry_write_memory_bank<3,  0>;
template class handler_entry_write_memory_bank<3, -1>;
template class handler_entry_write_memory_bank<3, -2>;
template class handler_entry_write_memory_bank<3, -3>;