//---------------------------------------------------------------------------
// Serial Port
//---------------------------------------------------------------------------
void agenda_serial_replace(int)
{
if (UpdateBaud) RS232_CalculateBaud(bool(mfp_reg[MFPR_UCR] & BIT_7),mfp_get_timer_control_register(3),true);
if (SerialPort.AreBytesToCome()){
SerialPort.NextByte();
if ((mfp_reg[MFPR_RSR] & BIT_0) /*Recv enable*/ &&
(mfp_reg[MFPR_TSR] & b00000110)!=b00000110 /*Loopback*/ &&
(mfp_reg[MFPR_RSR] & BIT_6)==0 /*No overrun*/){
if ((mfp_reg[MFPR_RSR] & BIT_7 /*Buffer Full*/)==0){
rs232_recv_byte=SerialPort.ReadByte();
rs232_recv_overrun=0;
}else{
rs232_recv_overrun=true;
}
mfp_reg[MFPR_RSR]&=BYTE(~(BIT_2 /*Char in progress*/ | BIT_3 /*Break*/ |
BIT_4 /*Frame Error*/ | BIT_5 /*Parity Error*/));
mfp_reg[MFPR_RSR]|=BIT_7 /*Buffer Full*/;
mfp_interrupt(MFP_INT_RS232_RECEIVE_BUFFER_FULL,ABSOLUTE_CPU_TIME);
}
if (SerialPort.AreBytesToCome()){
mfp_reg[MFPR_RSR]|=BYTE(BIT_2); // Character in progress
agenda_add(agenda_serial_replace,rs232_hbls_per_word,0);
}else{
mfp_reg[MFPR_RSR]&=BYTE(~BIT_2); // Character in progress
}
}
}
static interrupt68_t * mfpio_interrupt(io68_t * const io,
const cycle68_t cycle)
{
mfp_io68_t * const mfpio = (mfp_io68_t * const)io;
const bogoc68_t bogoc = cpu2bogo(io,cycle);
interrupt68_t * const inter =
mfp_interrupt(&mfpio->mfp, bogoc);
if (inter) {
assert(inter->cycle < bogoc);
inter->cycle = bogo2cpu(io,inter->cycle);
assert(inter->cycle < cycle);
}
return inter;
}
