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r18389 Tuesday 9th October, 2012 at 19:02:31 UTC by smf
default all lines high & improved logging (nw)

[src/emu/machine]

scsicb.c scsicb.h

trunk/src/emu/machine/scsicb.c

r18388	r18389
11	11	#include "scsicb.h"
12	12	#include "scsibus.h"
13	13
	14	#define VERBOSE_LEVEL ( 0 )
	15
	16	INLINE void ATTR_PRINTF( 3, 4 ) verboselog( int n_level, running_machine &machine, const char *s_fmt, ... )
	17	{
	18	if( VERBOSE_LEVEL >= n_level )
	19	{
	20	va_list v;
	21	char buf[ 32768 ];
	22	va_start( v, s_fmt );
	23	vsprintf( buf, s_fmt, v );
	24	va_end( v );
	25	logerror( "%s: %s", machine.describe_context( ), buf );
	26	}
	27	}
	28
14	29	scsicb_device::scsicb_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
15	30	: scsidev_device(mconfig, SCSICB, "SCSI callback", tag, owner, clock)
16	31	{
r18388	r18389
30	45	{
31	46	scsidev_device::device_start();
32	47
	48	linestate = SCSI_MASK_ALL;
	49
33	50	out_bsy_func.resolve(_out_bsy_func, *this);
34	51	out_sel_func.resolve(_out_sel_func, *this);
35	52	out_cd_func.resolve(_out_cd_func, *this);
r18388	r18389
45	62	{
46	63	linestate = data;
47	64
48		if( ( mask & SCSI_MASK_BSY ) != 0 )
49		{
50		out_bsy_func( (int) ( data & SCSI_MASK_BSY ) != 0 );
51		}
52
53		if( ( mask & SCSI_MASK_SEL ) != 0 )
54		{
55		out_sel_func( (int) ( data & SCSI_MASK_SEL ) != 0 );
56		}
57
58		if( ( mask & SCSI_MASK_CD ) != 0 )
59		{
60		out_cd_func( (int) ( data & SCSI_MASK_CD ) != 0 );
61		}
62
63		if( ( mask & SCSI_MASK_IO ) != 0 )
64		{
65		out_io_func( (int) ( data & SCSI_MASK_IO ) != 0 );
66		}
67
68		if( ( mask & SCSI_MASK_MSG ) != 0 )
69		{
70		out_msg_func( (int) ( data & SCSI_MASK_MSG ) != 0 );
71		}
72
73		if( ( mask & SCSI_MASK_REQ ) != 0 )
74		{
75		out_req_func( (int) ( data & SCSI_MASK_REQ ) != 0 );
76		}
77
78		if( ( mask & SCSI_MASK_ACK ) != 0 )
79		{
80		out_ack_func( (int) ( data & SCSI_MASK_ACK ) != 0 );
81		}
82
83		if( ( mask & SCSI_MASK_ATN ) != 0 )
84		{
85		out_ack_func( (int) ( data & SCSI_MASK_ATN ) != 0 );
86		}
87
88		if( ( mask & SCSI_MASK_RST ) != 0 )
89		{
90		out_rst_func( (int) ( data & SCSI_MASK_RST ) != 0 );
91		}
	65	trigger_callback( mask, SCSI_MASK_BSY, out_bsy_func );
	66	trigger_callback( mask, SCSI_MASK_SEL, out_sel_func );
	67	trigger_callback( mask, SCSI_MASK_CD, out_cd_func );
	68	trigger_callback( mask, SCSI_MASK_IO, out_io_func );
	69	trigger_callback( mask, SCSI_MASK_MSG, out_msg_func );
	70	trigger_callback( mask, SCSI_MASK_REQ, out_req_func );
	71	trigger_callback( mask, SCSI_MASK_ACK, out_ack_func );
	72	trigger_callback( mask, SCSI_MASK_ATN, out_atn_func );
	73	trigger_callback( mask, SCSI_MASK_RST, out_rst_func );
92	74	}
93	75
94	76	UINT8 scsicb_device::scsi_data_r()
95	77	{
96		return linestate & SCSI_MASK_DATA;
	78	UINT8 data = linestate & SCSI_MASK_DATA;
	79	verboselog( 1, machine(), "%s scsi_data_r() %02x\n", tag(), data );
	80	return data;
97	81	}
98	82
99	83	void scsicb_device::scsi_data_w( UINT8 data )
100	84	{
	85	verboselog( 1, machine(), "%s scsi_data_w( %02x )\n", tag(), data );
101	86	scsi_out( data, SCSI_MASK_DATA );
102	87	}
103	88
104		UINT8 scsicb_device::get_scsi_line( UINT32 line )
105		{
106		UINT8 result = (int)( ( linestate & line ) != 0 );
107
108		//  LOG(3,"get_scsi_line(%s)=%d\n",linenames[lineno],result);
109
110		return result;
111		}
112
113		void scsicb_device::set_scsi_line( UINT32 mask, UINT8 state )
114		{
115		scsi_out( state * mask, mask );
116		}
117
118	89	READ8_MEMBER( scsicb_device::scsi_data_r )
119	90	{
120	91	return scsi_data_r();
r18388	r18389
145	116	WRITE_LINE_MEMBER( scsicb_device::scsi_atn_w ) { set_scsi_line(SCSI_MASK_ATN, state); }
146	117	WRITE_LINE_MEMBER( scsicb_device::scsi_rst_w ) { set_scsi_line(SCSI_MASK_RST, state); }
147	118
	119	UINT8 scsicb_device::get_scsi_line( UINT32 mask )
	120	{
	121	UINT8 state = (int)( ( linestate & mask ) != 0 );
	122
	123	verboselog( 1, machine(), "%s get_scsi_line %s %d\n", tag(), get_line_name( mask ), state );
	124
	125	return state;
	126	}
	127
	128	void scsicb_device::set_scsi_line( UINT32 mask, UINT8 state )
	129	{
	130	verboselog( 1, machine(), "%s set_scsi_line %s %d\n", tag(), get_line_name( mask ), state );
	131
	132	scsi_out( state * mask, mask );
	133	}
	134
	135	void scsicb_device::trigger_callback( UINT32 update_mask, UINT32 line_mask, devcb_resolved_write_line &write_line )
	136	{
	137	if( ( update_mask & line_mask ) != 0 && !write_line.isnull() )
	138	{
	139	int state = (int)( ( linestate & line_mask ) != 0 );
	140
	141	verboselog( 1, machine(), "%s trigger_callback %s %d\n", tag(), get_line_name( line_mask ), state );
	142
	143	write_line( state );
	144	}
	145	}
	146
	147	const char *scsicb_device::get_line_name( UINT32 mask )
	148	{
	149	switch( mask )
	150	{
	151	case SCSI_MASK_BSY:
	152	return "bsy";
	153
	154	case SCSI_MASK_SEL:
	155	return "sel";
	156
	157	case SCSI_MASK_CD:
	158	return "cd";
	159
	160	case SCSI_MASK_IO:
	161	return "io";
	162
	163	case SCSI_MASK_MSG:
	164	return "msg";
	165
	166	case SCSI_MASK_REQ:
	167	return "req";
	168
	169	case SCSI_MASK_ACK:
	170	return "ack";
	171
	172	case SCSI_MASK_ATN:
	173	return "atn";
	174
	175	case SCSI_MASK_RST:
	176	return "rst";
	177	}
	178
	179	return "?";
	180	}
	181
148	182	const device_type SCSICB = &device_creator<scsicb_device>;

trunk/src/emu/machine/scsicb.h

r18388	r18389
69	69	virtual void device_start();
70	70
71	71	private:
	72	UINT8 get_scsi_line(UINT32 mask);
	73	void set_scsi_line(UINT32 mask, UINT8 state);
	74	void trigger_callback(UINT32 update_mask, UINT32 line_mask, devcb_resolved_write_line &write_line);
	75	const char *get_line_name(UINT32 mask);
	76
72	77	devcb_resolved_write_line out_bsy_func;
73	78	devcb_resolved_write_line out_sel_func;
74	79	devcb_resolved_write_line out_cd_func;
r18388	r18389
79	84	devcb_resolved_write_line out_atn_func;
80	85	devcb_resolved_write_line out_rst_func;
81	86
82		UINT8 get_scsi_line(UINT32 mask);
83		void set_scsi_line(UINT32 mask, UINT8 state);
84
85	87	UINT32 linestate;
86	88	};
87	89

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