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r21735 Saturday 9th March, 2013 at 04:27:12 UTC by R. Belmont
(nw)

[src/mess/machine]

3c505.c

trunk/src/mess/machine/3c505.c

r21734	r21735
27	27
28	28	#define  MAINCPU "maincpu"
29	29
	30	#ifdef LSB_FIRST
	31	static UINT16 uint16_to_le(UINT16 value)
	32	{
	33	return value;
	34	}
	35
	36	static UINT16 uint16_from_le(UINT16 value)
	37	{
	38	return ((value&0x00ff)<<8)|((value&0xff00)>>8);
	39	}
	40	#else
	41	static UINT16 uint16_to_le(UINT16 value)
	42	{
	43	return ((value&0x00ff)<<8)|((value&0xff00)>>8);
	44	}
	45
	46	static UINT16 uint16_from_le(UINT16 value)
	47	{
	48	return value;
	49	}
	50	#endif
	51
30	52	//**************************************************************************
31	53	//  CONSTANTS
32	54	//**************************************************************************
r21734	r21735
644	666	//         m_response.data.rcv_resp.buf_len = htole16(buf_len);
645	667
646	668	// htole16 and friends are not portable beyond Linux.  It's named differently on *BSD and differently again on OS X.  Avoid!
647		#ifdef LSB_FIRST
648		m_response.data.rcv_resp.pkt_len = m_rx_data_buffer.get_length();
	669	m_response.data.rcv_resp.pkt_len = uint16_to_le(m_rx_data_buffer.get_length());
649	670	m_response.data.rcv_resp.timeout = 0; // successful completion
650		m_response.data.rcv_resp.status  = m_rx_data_buffer.get_length() > 0 ? 0 : 0xffff;
	671	m_response.data.rcv_resp.status  = uint16_to_le(m_rx_data_buffer.get_length() > 0 ? 0 : 0xffff);
651	672	m_response.data.rcv_resp.timetag = 0; // TODO: time tag
652		#else
653		UINT16 temp;
654		temp = m_rx_data_buffer.get_length();
655		m_response.data.rcv_resp.pkt_len = (temp << 8) | (temp>>8);
656		m_response.data.rcv_resp.timeout = 0; // successful completion
657		temp  = m_rx_data_buffer.get_length() > 0 ? 0 : 0xffff;
658		m_response.data.rcv_resp.status = (temp << 8) | (temp>>8);
659		m_response.data.rcv_resp.timetag = 0; // TODO: time tag
660		#endif
661	673
662	674	// compute and check no of bytes to be DMA'ed (must be even)
663		#ifdef LSB_FIRST
664		UINT16 buf_len = m_response.data.rcv_resp.buf_len & ~1;
665		#else
666		UINT16 buf_len = ((m_response.data.rcv_resp.buf_len&0xff)<<8) || ((m_response.data.rcv_resp.buf_len&0xff00)>>8) & ~1;
667		#endif
	675	UINT16 buf_len = uint16_from_le(m_response.data.rcv_resp.buf_len) & ~1;
668	676	if (m_rx_data_buffer.get_length() > buf_len)
669	677	{
670	678	LOG1(("do_receive_command !!! buffer size too small (%d < %d)", buf_len, m_rx_data_buffer.get_length()));
671		#ifdef LSB_FIRST
672		m_response.data.rcv_resp.pkt_len = buf_len;
673		#else
674		m_response.data.rcv_resp.pkt_len = ((buf_len & 0xff)<<8) | ((buf_len & 0xff00)>>8);
675		#endif
	679	m_response.data.rcv_resp.pkt_len = uint16_to_le(buf_len);
676	680	m_response.data.rcv_resp.status = 0xffff;
677	681	}
678	682	else
679	683	{
680	684	buf_len = (m_rx_data_buffer.get_length() + 1) & ~1;
681		#ifdef LSB_FIRST
682		m_response.data.rcv_resp.pkt_len = buf_len;
683		#else
684		m_response.data.rcv_resp.pkt_len = ((buf_len & 0xff)<<8) | ((buf_len & 0xff00)>>8);
685		#endif
	685	m_response.data.rcv_resp.pkt_len = uint16_to_le(buf_len);
686	686	}
687	687
688	688	m_response_length = m_response.length + 2;
r21734	r21735
815	815
816	816	case CMD_NETWORK_STATISTICS: // 0x0a
817	817	m_response.length = sizeof(struct Netstat);
818		m_response.data.netstat.tot_recv = htole16(m_netstat.tot_recv);
819		m_response.data.netstat.tot_xmit = htole16(m_netstat.tot_xmit);
820		m_response.data.netstat.err_CRC = htole16(m_netstat.err_CRC);
821		m_response.data.netstat.err_align = htole16(m_netstat.err_align);
822		m_response.data.netstat.err_res = htole16(m_netstat.err_res);
823		m_response.data.netstat.err_ovrrun = htole16(m_netstat.err_ovrrun);
	818	m_response.data.netstat.tot_recv = uint16_to_le(m_netstat.tot_recv);
	819	m_response.data.netstat.tot_xmit = uint16_to_le(m_netstat.tot_xmit);
	820	m_response.data.netstat.err_CRC = uint16_to_le(m_netstat.err_CRC);
	821	m_response.data.netstat.err_align = uint16_to_le(m_netstat.err_align);
	822	m_response.data.netstat.err_res = uint16_to_le(m_netstat.err_res);
	823	m_response.data.netstat.err_ovrrun = uint16_to_le(m_netstat.err_ovrrun);
824	824	break;
825	825
826	826	case CMD_ADAPTER_INFO: // 0x11
r21734	r21735
828	828	// FIXME: using demo data
829	829	m_response.data.info.minor_vers = 1;
830	830	m_response.data.info.major_vers = 2;
831		m_response.data.info.ROM_cksum = htole16(3);
832		m_response.data.info.RAM_sz = htole16(4);
833		m_response.data.info.free_ofs = htole16(5);
834		m_response.data.info.free_seg = htole16(6);
	831	m_response.data.info.ROM_cksum = uint16_to_le(3);
	832	m_response.data.info.RAM_sz = uint16_to_le(4);
	833	m_response.data.info.free_ofs = uint16_to_le(5);
	834	m_response.data.info.free_seg = uint16_to_le(6);
835	835	break;
836	836
837	837	case CMD_LOAD_MULTICAST_LIST:// 0x0b

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