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#include "devices.h"
void bus_t::add_device(reg_t addr, abstract_device_t* dev)
{
devices[-addr] = dev;
}
bool bus_t::load(reg_t addr, size_t len, uint8_t* bytes)
{
auto it = devices.lower_bound(-addr);
if (it == devices.end())
return false;
return it->second->load(addr - -it->first, len, bytes);
}
bool bus_t::store(reg_t addr, size_t len, const uint8_t* bytes)
{
auto it = devices.lower_bound(-addr);
if (it == devices.end())
return false;
return it->second->store(addr - -it->first, len, bytes);
}
rom_device_t::rom_device_t(std::vector<char> data)
: data(data)
{
}
bool rom_device_t::load(reg_t addr, size_t len, uint8_t* bytes)
{
if (addr + len > data.size())
return false;
memcpy(bytes, &data[addr], len);
return true;
}
bool rom_device_t::store(reg_t addr, size_t len, const uint8_t* bytes)
{
return false;
}
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