public uint SPEED_Read32(uint addr)
{
switch (addr)
{
default:
Log_Error("*Unknown 32bit read at address " + addr.ToString("x") + " value " + dev9.Dev9Ru32((int)addr).ToString("X"));
return(dev9.Dev9Ru32((int)addr));
}
}
//this can return a false positive, but its not problem since it may say it cant recv while it can (no harm done, just delay on packets)
public virtual bool RxFifoCanRx()
{
//check if RX is on & stuff like that here
//Check if there is space on RXBD
if (dev9.Dev9Ru8((int)DEV9Header.SMAP_R_RXFIFO_FRAME_CNT) == 64)
{
Log_Error("Delay recive, RXBD Full");
return(false);
}
//Check if there is space on fifo
int rd_ptr = (int)dev9.Dev9Ru32((int)DEV9Header.SMAP_R_RXFIFO_RD_PTR);
int space = dev9.rxFifo.Length -
((dev9.rxFifoWrPtr - rd_ptr) & 16383);
if (space == 0)
{
space = (dev9.rxFifo.Length);
}
if (space < 1514)
{
Log_Error("Delay recive, RXFIFO Full");
return(false);
}
//int soff = (int)((DEV9Header.SMAP_BD_RX_BASE & 0xffff) + dev9.rxbdi * SMAP_bd.GetSize());
//SMAP_bd pbd = new SMAP_bd(dev9.dev9R, soff);
//if (!((pbd.CtrlStat & DEV9Header.SMAP_BD_RX_EMPTY) != 0))
//{
// return false;
//}
//we can recv a packet !
return(true);
}
