//! Transmit a header.
void txhead(unsigned char app,
unsigned char verb,
unsigned long len) {
serial_tx(app);
serial_tx(verb);
//serial_tx(len); //old protocol
txword(len);
}
void txhead(unsigned char app, unsigned char verb, unsigned long len)
{
uart_putc(app);
uart_putc(verb);
txword(len);
}
void putchar(int byte)
{
txword(0x100 + byte);
}