void execute( const call &, int arg_addr8)
{
push( program_counter);
set_pc( arg_addr8 | ((address_t( ram( sx_ram::STATUS)) & 0x00e0) << 4));
if (stack.size() > sx_stack_size)
{
throw stack_overflow_exception( stack.back());
}
}
address_t MemSegmentManager::locateAddress(uint64_t address) const
{
memseglist_ci ci = m_mem_segments.begin(),
endi = m_mem_segments.end();
for (; ci != endi; ++ci) {
MemSegment *m = (*ci);
if (m->can_resolve(address))
return m->getBaseAddress() + (address - m->get_start());
}
return address_t();
}
Bus::Bus(int id) : Module("Bus", address_t(0), 0)
{
bid = id;
}
address_t operator-(const poffset_t &l, const address_t &r)
{
return address_t(l - r.m_offset, r.m_size, r.m_memsegment);
}
address_t operator-(const address_t &l, const address_t &r)
{
ASSERT_TRUE(l.m_size == r.m_size);
ASSERT_TRUE(l.m_memsegment == r.m_memsegment);
return address_t(l.m_offset - r.m_offset, l.m_size, l.m_memsegment);
}
address_t operator+(const address_t &l, const poffset_t &r)
{
return address_t(l.m_offset + r, l.m_size, l.m_memsegment);
}
void execute( const jmp &, int addr9_)
{
set_pc( addr9_ | ((address_t( ram( sx_ram::STATUS)) & 0x00e0) << 4));
set_nop_delay( 2);
}