void lsi53c810_device::dmaop_block_move()
{
UINT32 address;
UINT32 count;
INT32 dsps;
address = FETCH();
count = dcmd & 0x00ffffff;
// normal indirect
if (dcmd & 0x20000000)
address = m_fetch_cb(address);
// table indirect
if (dcmd & 0x10000000)
{
dsps = (INT32)address&0xffffff;
// sign extend
if (dsps & 0x00800000)
{
dsps |= 0xff000000;
}
logerror("table offset: %x, DSA = %x\n", dsps, dsa);
dsps += dsa;
logerror("Loading from table at %x\n", dsps);
count = m_fetch_cb(dsps);
address = m_fetch_cb(dsps + 4);
}
logerror("block move: address %x count %x phase %x\n", address, count, (dcmd>>24)&7);
if (scntl0 & 0x01)
{
/* target mode */
fatalerror("LSI53C810: dmaop_block_move not implemented in target mode\n");
}
else
{
/* initiator mode */
logerror("53c810: block_move not actually implemented\n");
}
}
UINT32 lsi53c810_device::FETCH()
{
UINT32 r = m_fetch_cb(dsp);
dsp += 4;
return r;
}
uint32_t lsi53c810_device::FETCH()
{
uint32_t r = m_fetch_cb(dsp);
dsp += 4;
return r;
}
