MAME SVN History

199869 Revisions

r24059 Wednesday 3rd July, 2013 at 20:07:01 UTC by Angelo Salese
Some changes to PDP-11, nw

[src/emu/cpu/mc68hc11]	mc68hc11.c
[src/mess/drivers]	pdp11.c
[src/mess/machine]	dccons.c

trunk/src/emu/cpu/mc68hc11/mc68hc11.c
r24058	r24059
697	697	case CPUINFO_STR_FAMILY: strcpy(info->s, "Motorola MC68HC11"); break;
698	698	case CPUINFO_STR_VERSION: strcpy(info->s, "1.0"); break;
699	699	case CPUINFO_STR_SOURCE_FILE: strcpy(info->s, __FILE__); break;
700		case CPUINFO_STR_CREDITS: strcpy(info->s, "Copyright Ville Linde"); break;
	700	case CPUINFO_STR_CREDITS: strcpy(info->s, "Copyright Ville Linde & Angelo Salese"); break;
701	701
702	702	case CPUINFO_STR_FLAGS:
703	703	sprintf(info->s, "%c%c%c%c%c%c%c%c",

trunk/src/mess/machine/dccons.c
r24058	r24059
217	217	{
218	218	reg = ATAPI_REG_ERROR;
219	219	}
	220	if (reg == ATAPI_REG_CMDSTATUS)
	221	{
	222	dc_sysctrl_regs[SB_ISTEXT] &= ~IST_EXT_GDROM;
	223	dc_update_interrupt_status();
	224	}
220	225	data = atapi_regs[reg];
221	226
222	227	#if 0
r24058	r24059
382	387	#if 0
383	388	switch( reg )
384	389	{
385		case ATAPI_REG_DATA:
	390	case ATAPI_REG_DATA:
386	391	printf( "atapi_w: data=%02x\n", data );
387	392	break;
388	393	case ATAPI_REG_FEATURES:
r24058	r24059
598	603
599	604	if (offset == 3)
600	605	{
	606	//debugger_break(machine());
	607	//printf("%08x\n",atapi_regs[ATAPI_REG_CMDSTATUS]);
601	608	return gdrom_alt_status;
602	609	}
603	610	else if (off >= 0x20)

trunk/src/mess/drivers/pdp11.c
r24058	r24059
64	64
65	65	23/02/2009 Skeleton driver.
66	66
	67	Memory Map (converted from the annoying octal format from the manuals):
	68	0x0000 - 0x00ff: irq vectors
	69	0xe000: ROM
	70	0xff68: "high speed reader and punch device status and buffer register"
	71	0xff70 - 0xff7e: "teletype keyboard and punch device status and buffer register"
	72	PDP-11 internal registers:
	73	0xff80 - 0xffbf: "reserved for expansion of processor registers"
	74	0xffc0: R0
	75	0xffc2: R1
	76	0xffc4: R2
	77	0xffc6: R3
	78	0xffc8: R4
	79	0xffca: R5
	80	0xffcc: R6 / SP
	81	0xffce: R7 / PC
	82	0xfffe: PSW
	83
67	84	****************************************************************************/
68	85
69	86	#include "emu.h"
r24058	r24059
82	99
83	100	required_device<cpu_device> m_maincpu;
84	101	required_device<generic_terminal_device> m_terminal;
85		DECLARE_READ16_MEMBER( term_r );
86		DECLARE_READ16_MEMBER( term_tx_status_r );
87		DECLARE_READ16_MEMBER( term_rx_status_r );
88		DECLARE_WRITE16_MEMBER( term_w );
	102	DECLARE_READ16_MEMBER( teletype_ctrl_r );
	103	DECLARE_WRITE16_MEMBER( teletype_ctrl_w );
89	104	DECLARE_WRITE8_MEMBER( kbd_put );
90		UINT8 m_term_data;
91		UINT16 m_term_status;
	105	UINT8 m_teletype_data;
	106	UINT16 m_teletype_status;
92	107	virtual void machine_reset();
93	108	DECLARE_MACHINE_RESET(pdp11ub2);
94	109	DECLARE_MACHINE_RESET(pdp11qb);
95	110	void load9312prom(UINT8 desc, UINT8 src, int size);
96	111	};
97	112
98		WRITE16_MEMBER(pdp11_state::term_w)
	113	READ16_MEMBER(pdp11_state::teletype_ctrl_r)
99	114	{
100		m_terminal->write(space, 0, data);
101		}
	115	UINT16 res = 0;
102	116
103		READ16_MEMBER(pdp11_state::term_r)
104		{
105		m_term_status = 0x0000;
106		return m_term_data;
107		}
	117	switch(offset)
	118	{
	119	/*
	120	keyboard
	121	---- x--- ---- ---- busy bit
	122	---- ---- x--- ---- ready bit (set on character receive, clear on buffer read)
	123	---- ---- -x-- ---- irq enable
	124	---- ---- ---- ---x reader enable (?)
	125	*/
	126	case 0: res = m_teletype_status; break; // reader status register (tks)
	127	case 1: m_teletype_status &= ~0x80; res = m_teletype_data; break;// reader buffer register (tkb)
	128	/*
	129	printer
	130	---- ---- x--- ---- ready bit
	131	---- ---- -x-- ---- irq enable
	132	---- ---- ---- -x-- maintenance
	133	*/
	134	case 2: res = 0x80; break; // punch status register (tps)
	135	case 3: res = 0; break; // punch buffer register (tpb)
	136	}
108	137
109		READ16_MEMBER(pdp11_state::term_tx_status_r)
110		{ // always ready
111		return 0xffff;
	138	return res;
112	139	}
113	140
114		READ16_MEMBER(pdp11_state::te~~rm_rx_s~~t~~atus~~_r)
	141	WRITE16_MEMBER(pdp11_state::teletype_ctrl_w)
115	142	{
116		return m_term_status;
	143	switch(offset)
	144	{
	145	case 3:
	146	m_terminal->write(space, 0, data);
	147	break;
	148	}
117	149	}
118	150
119	151	static ADDRESS_MAP_START(pdp11_mem, AS_PROGRAM, 16, pdp11_state)
120	152	ADDRESS_MAP_UNMAP_HIGH
121	153	AM_RANGE( 0x0000, 0xdfff ) AM_RAM // RAM
122	154	AM_RANGE( 0xea00, 0xfeff ) AM_ROM
123		AM_RANGE( 0xff70, 0xff71 ) AM_READ(term_rx_status_r)
124		AM_RANGE( 0xff72, 0xff73 ) AM_READ(term_r)
125		AM_RANGE( 0xff74, 0xff75 ) AM_READ(term_tx_status_r)
126		AM_RANGE( 0xff76, 0xff77 ) AM_WRITE(term_w)
	155	AM_RANGE( 0xff70, 0xff77 ) AM_READWRITE(teletype_ctrl_r,teletype_ctrl_w)
127	156
128	157	AM_RANGE( 0xfe78, 0xfe7b ) AM_DEVREADWRITE("rx01", rx01_device, read, write)
129	158	ADDRESS_MAP_END
r24058	r24059
314	343
315	344	WRITE8_MEMBER( pdp11_state::kbd_put )
316	345	{
317		m_term_data = data;
318		m_term_status = 0xffff;
	346	m_teletype_data = data;
	347	m_teletype_status \|= 0x80;
319	348	}
320	349
321	350	static GENERIC_TERMINAL_INTERFACE( terminal_intf )

199869 Revisions