void NesCpuBase::reset()
{
u8 lo = nesCpuRead(ResetVectorAddress );
u8 hi = nesCpuRead(ResetVectorAddress+1);
m_stateRegs.pc = lo|(hi<<8);
m_stateRegs.a = 0;
m_stateRegs.y = 0;
m_stateRegs.x = 0;
m_stateRegs.s = 0xff;
m_stateRegs.p = IrqDisable;
}
bool NesApuDMChannel::clockDma()
{
if (!(m_dmaLength&7)) {
m_buffer = nesCpuRead(m_address);
m_address = 0x8000 | (m_address+1);
}
m_dmaLength--;
if (!m_dmaLength) {
if (m_looping)
restart();
else
return false;
}
return true;
}
static inline u16 READ16(u16 address)
{
u16 ret = nesCpuRead(address);
ret |= nesCpuRead(address+1) << 8;
return ret;
}
static inline u8 READ8(u16 address)
{
return nesCpuRead(address);
}
