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modernized 2 drivers skipped in past (nw)

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This commit is contained in:
Miodrag Milanovic 2013-04-24 09:50:14 +00:00
parent f7e95c828e
commit 3b0ee026b9
2 changed files with 196 additions and 201 deletions
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308
src/mame/drivers/gammagic.c
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@ -76,17 +76,22 @@ class gammagic_state : public driver_device
public: public:
gammagic_state(const machine_config &mconfig, device_type type, const char *tag) gammagic_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag), : driver_device(mconfig, type, tag),
m_pit8254(*this, "pit8254" ),
m_pic8259_1(*this, "pic8259_1" ),
m_pic8259_2(*this, "pic8259_2" ),
m_dma8237_1(*this, "dma8237_1" ),
m_dma8237_2(*this, "dma8237_2" ),
m_maincpu(*this, "maincpu") { } m_maincpu(*this, "maincpu") { }
int m_dma_channel; int m_dma_channel;
UINT8 m_dma_offset[2][4]; UINT8 m_dma_offset[2][4];
UINT8 m_at_pages[0x10]; UINT8 m_at_pages[0x10];
device_t *m_pit8254; required_device<device_t> m_pit8254;
device_t *m_pic8259_1; required_device<device_t> m_pic8259_1;
device_t *m_pic8259_2; required_device<device_t> m_pic8259_2;
i8237_device *m_dma8237_1; required_device<i8237_device> m_dma8237_1;
i8237_device *m_dma8237_2; required_device<i8237_device> m_dma8237_2;
emu_timer *m_atapi_timer; emu_timer *m_atapi_timer;
//SCSIInstance *m_inserted_cdrom; //SCSIInstance *m_inserted_cdrom;
@ -104,113 +109,125 @@ public:
DECLARE_DRIVER_INIT(gammagic); DECLARE_DRIVER_INIT(gammagic);
IRQ_CALLBACK_MEMBER(irq_callback); IRQ_CALLBACK_MEMBER(irq_callback);
DECLARE_READ8_MEMBER(get_out2); DECLARE_READ8_MEMBER(get_out2);
DECLARE_READ8_MEMBER(at_page8_r);
DECLARE_WRITE8_MEMBER(at_page8_w);
DECLARE_READ8_MEMBER(pc_dma_read_byte);
DECLARE_WRITE8_MEMBER(pc_dma_write_byte);
DECLARE_READ8_MEMBER(at_dma8237_2_r);
DECLARE_WRITE8_MEMBER(at_dma8237_2_w);
DECLARE_WRITE_LINE_MEMBER(pc_dma_hrq_changed);
void set_dma_channel(int channel, int state);
DECLARE_WRITE_LINE_MEMBER(pc_dack0_w);
DECLARE_WRITE_LINE_MEMBER(pc_dack1_w);
DECLARE_WRITE_LINE_MEMBER(pc_dack2_w);
DECLARE_WRITE_LINE_MEMBER(pc_dack3_w);
DECLARE_WRITE_LINE_MEMBER(gammagic_pic8259_1_set_int_line);
DECLARE_READ8_MEMBER(get_slave_ack);
virtual void machine_start();
virtual void machine_reset();
void atapi_init();
required_device<cpu_device> m_maincpu; required_device<cpu_device> m_maincpu;
}; };
//static void atapi_irq(running_machine &machine, int state); READ8_MEMBER(gammagic_state::at_dma8237_2_r)
static READ8_DEVICE_HANDLER(at_dma8237_2_r)
{ {
gammagic_state *state = space.machine().driver_data<gammagic_state>(); return m_dma8237_2->i8237_r(space, offset / 2);
return state->m_dma8237_2->i8237_r(space, offset / 2);
} }
static WRITE8_DEVICE_HANDLER(at_dma8237_2_w) WRITE8_MEMBER(gammagic_state::at_dma8237_2_w)
{ {
gammagic_state *state = space.machine().driver_data<gammagic_state>(); m_dma8237_2->i8237_w(space, offset / 2, data);
state->m_dma8237_2->i8237_w(space, offset / 2, data);
} }
static READ8_HANDLER(at_page8_r) READ8_MEMBER(gammagic_state::at_page8_r)
{ {
gammagic_state *state = space.machine().driver_data<gammagic_state>(); UINT8 data = m_at_pages[offset % 0x10];
UINT8 data = state->m_at_pages[offset % 0x10];
switch(offset % 8) { switch(offset % 8) {
case 1: case 1:
data = state->m_dma_offset[(offset / 8) & 1][2]; data = m_dma_offset[(offset / 8) & 1][2];
break; break;
case 2: case 2:
data = state->m_dma_offset[(offset / 8) & 1][3]; data = m_dma_offset[(offset / 8) & 1][3];
break; break;
case 3: case 3:
data = state->m_dma_offset[(offset / 8) & 1][1]; data = m_dma_offset[(offset / 8) & 1][1];
break; break;
case 7: case 7:
data = state->m_dma_offset[(offset / 8) & 1][0]; data = m_dma_offset[(offset / 8) & 1][0];
break; break;
} }
return data; return data;
} }
static WRITE8_HANDLER(at_page8_w)
WRITE8_MEMBER(gammagic_state::at_page8_w)
{ {
gammagic_state *state = space.machine().driver_data<gammagic_state>(); m_at_pages[offset % 0x10] = data;
state->m_at_pages[offset % 0x10] = data;
switch(offset % 8) { switch(offset % 8) {
case 1: case 1:
state->m_dma_offset[(offset / 8) & 1][2] = data; m_dma_offset[(offset / 8) & 1][2] = data;
break; break;
case 2: case 2:
state->m_dma_offset[(offset / 8) & 1][3] = data; m_dma_offset[(offset / 8) & 1][3] = data;
break; break;
case 3: case 3:
state->m_dma_offset[(offset / 8) & 1][1] = data; m_dma_offset[(offset / 8) & 1][1] = data;
break; break;
case 7: case 7:
state->m_dma_offset[(offset / 8) & 1][0] = data; m_dma_offset[(offset / 8) & 1][0] = data;
break; break;
} }
} }
static WRITE_LINE_DEVICE_HANDLER( pc_dma_hrq_changed )
WRITE_LINE_MEMBER(gammagic_state::pc_dma_hrq_changed)
{ {
gammagic_state *drvstate = device->machine().driver_data<gammagic_state>(); m_maincpu->set_input_line(INPUT_LINE_HALT, state ? ASSERT_LINE : CLEAR_LINE);
drvstate->m_maincpu->set_input_line(INPUT_LINE_HALT, state ? ASSERT_LINE : CLEAR_LINE);
/* Assert HLDA */ /* Assert HLDA */
drvstate->m_dma8237_1->i8237_hlda_w( state ); m_dma8237_1->i8237_hlda_w(state);
} }
static READ8_HANDLER( pc_dma_read_byte )
READ8_MEMBER(gammagic_state::pc_dma_read_byte)
{ {
gammagic_state *state = space.machine().driver_data<gammagic_state>(); offs_t page_offset = (((offs_t) m_dma_offset[0][m_dma_channel]) << 16)
offs_t page_offset = (((offs_t) state->m_dma_offset[0][state->m_dma_channel]) << 16)
& 0xFF0000; & 0xFF0000;
return space.read_byte(page_offset + offset); return space.read_byte(page_offset + offset);
} }
static WRITE8_HANDLER( pc_dma_write_byte )
WRITE8_MEMBER(gammagic_state::pc_dma_write_byte)
{ {
gammagic_state *state = space.machine().driver_data<gammagic_state>(); offs_t page_offset = (((offs_t) m_dma_offset[0][m_dma_channel]) << 16)
offs_t page_offset = (((offs_t) state->m_dma_offset[0][state->m_dma_channel]) << 16)
& 0xFF0000; & 0xFF0000;
space.write_byte(page_offset + offset, data); space.write_byte(page_offset + offset, data);
} }
static void set_dma_channel(device_t *device, int channel, int state) void gammagic_state::set_dma_channel(int channel, int state)
{ {
gammagic_state *drvstate = device->machine().driver_data<gammagic_state>(); if (!state) m_dma_channel = channel;
if (!state) drvstate->m_dma_channel = channel;
} }
static WRITE_LINE_DEVICE_HANDLER( pc_dack0_w ) { set_dma_channel(device, 0, state); } WRITE_LINE_MEMBER(gammagic_state::pc_dack0_w){ set_dma_channel(0, state); }
static WRITE_LINE_DEVICE_HANDLER( pc_dack1_w ) { set_dma_channel(device, 1, state); } WRITE_LINE_MEMBER(gammagic_state::pc_dack1_w){ set_dma_channel(1, state); }
static WRITE_LINE_DEVICE_HANDLER( pc_dack2_w ) { set_dma_channel(device, 2, state); } WRITE_LINE_MEMBER(gammagic_state::pc_dack2_w){ set_dma_channel(2, state); }
static WRITE_LINE_DEVICE_HANDLER( pc_dack3_w ) { set_dma_channel(device, 3, state); } WRITE_LINE_MEMBER(gammagic_state::pc_dack3_w){ set_dma_channel(3, state); }
static I8237_INTERFACE( dma8237_1_config ) static I8237_INTERFACE( dma8237_1_config )
{ {
DEVCB_LINE(pc_dma_hrq_changed), DEVCB_DRIVER_LINE_MEMBER(gammagic_state,pc_dma_hrq_changed),
DEVCB_NULL, DEVCB_NULL,
DEVCB_MEMORY_HANDLER("maincpu", PROGRAM, pc_dma_read_byte), DEVCB_DRIVER_MEMBER(gammagic_state, pc_dma_read_byte),
DEVCB_MEMORY_HANDLER("maincpu", PROGRAM, pc_dma_write_byte), DEVCB_DRIVER_MEMBER(gammagic_state, pc_dma_write_byte),
{ DEVCB_NULL, DEVCB_NULL, DEVCB_NULL, DEVCB_NULL }, { DEVCB_NULL, DEVCB_NULL, DEVCB_NULL, DEVCB_NULL },
{ DEVCB_NULL, DEVCB_NULL, DEVCB_NULL, DEVCB_NULL }, { DEVCB_NULL, DEVCB_NULL, DEVCB_NULL, DEVCB_NULL },
{ DEVCB_LINE(pc_dack0_w), DEVCB_LINE(pc_dack1_w), DEVCB_LINE(pc_dack2_w), DEVCB_LINE(pc_dack3_w) } { DEVCB_DRIVER_LINE_MEMBER(gammagic_state,pc_dack0_w), DEVCB_DRIVER_LINE_MEMBER(gammagic_state,pc_dack1_w), DEVCB_DRIVER_LINE_MEMBER(gammagic_state,pc_dack2_w), DEVCB_DRIVER_LINE_MEMBER(gammagic_state,pc_dack3_w) }
}; };
static I8237_INTERFACE( dma8237_2_config ) static I8237_INTERFACE( dma8237_2_config )
@ -224,40 +241,39 @@ static I8237_INTERFACE( dma8237_2_config )
{ DEVCB_NULL, DEVCB_NULL, DEVCB_NULL, DEVCB_NULL } { DEVCB_NULL, DEVCB_NULL, DEVCB_NULL, DEVCB_NULL }
}; };
/* /*
static READ32_HANDLER( atapi_r ) READ32_MEMBER( gammagic_state::atapi_r )
{ {
gammagic_state *state = space.machine().driver_data<gammagic_state>(); UINT8 *atapi_regs = m_atapi_regs;
UINT8 *atapi_regs = state->m_atapi_regs;
//running_machine &machine = space.machine(); //running_machine &machine = space.machine();
int reg, data; int reg, data;
if (mem_mask == 0x0000ffff) // word-wide command read if (mem_mask == 0x0000ffff) // word-wide command read
{ {
logerror("ATAPI: packet read = %04x\n", state->m_atapi_data[state->m_atapi_data_ptr]); logerror("ATAPI: packet read = %04x\n", m_atapi_data[m_atapi_data_ptr]);
// assert IRQ and drop DRQ // assert IRQ and drop DRQ
if (state->m_atapi_data_ptr == 0 && state->m_atapi_data_len == 0) if (m_atapi_data_ptr == 0 && m_atapi_data_len == 0)
{ {
// get the data from the device // get the data from the device
if( state->m_atapi_xferlen > 0 ) if( m_atapi_xferlen > 0 )
{ {
SCSIReadData( state->m_inserted_cdrom, state->m_atapi_data, state->m_atapi_xferlen ); SCSIReadData( m_inserted_cdrom, m_atapi_data, m_atapi_xferlen );
state->m_atapi_data_len = state->m_atapi_xferlen; m_atapi_data_len = m_atapi_xferlen;
} }
if (state->m_atapi_xfermod > MAX_TRANSFER_SIZE) if (m_atapi_xfermod > MAX_TRANSFER_SIZE)
{ {
state->m_atapi_xferlen = MAX_TRANSFER_SIZE; m_atapi_xferlen = MAX_TRANSFER_SIZE;
state->m_atapi_xfermod = state->m_atapi_xfermod - MAX_TRANSFER_SIZE; m_atapi_xfermod = m_atapi_xfermod - MAX_TRANSFER_SIZE;
} }
else else
{ {
state->m_atapi_xferlen = state->m_atapi_xfermod; m_atapi_xferlen = m_atapi_xfermod;
state->m_atapi_xfermod = 0; m_atapi_xfermod = 0;
} }
//verboselog\\( machine, 2, "atapi_r: atapi_xferlen=%d\n", state->m_atapi_xferlen ); //verboselog\\( machine, 2, "atapi_r: atapi_xferlen=%d\n", m_atapi_xferlen );
if( state->m_atapi_xferlen != 0 ) if( m_atapi_xferlen != 0 )
{ {
atapi_regs[ATAPI_REG_CMDSTATUS] = ATAPI_STAT_DRQ | ATAPI_STAT_SERVDSC; atapi_regs[ATAPI_REG_CMDSTATUS] = ATAPI_STAT_DRQ | ATAPI_STAT_SERVDSC;
atapi_regs[ATAPI_REG_INTREASON] = ATAPI_INTREASON_IO; atapi_regs[ATAPI_REG_INTREASON] = ATAPI_INTREASON_IO;
@ -269,23 +285,23 @@ static READ32_HANDLER( atapi_r )
atapi_regs[ATAPI_REG_INTREASON] = ATAPI_INTREASON_IO; atapi_regs[ATAPI_REG_INTREASON] = ATAPI_INTREASON_IO;
} }
atapi_regs[ATAPI_REG_COUNTLOW] = state->m_atapi_xferlen & 0xff; atapi_regs[ATAPI_REG_COUNTLOW] = m_atapi_xferlen & 0xff;
atapi_regs[ATAPI_REG_COUNTHIGH] = (state->m_atapi_xferlen>>8)&0xff; atapi_regs[ATAPI_REG_COUNTHIGH] = (m_atapi_xferlen>>8)&0xff;
atapi_irq(space.machine(), ASSERT_LINE); atapi_irq(space.machine(), ASSERT_LINE);
} }
if( state->m_atapi_data_ptr < state->m_atapi_data_len ) if( m_atapi_data_ptr < m_atapi_data_len )
{ {
data = state->m_atapi_data[state->m_atapi_data_ptr++]; data = m_atapi_data[m_atapi_data_ptr++];
data |= ( state->m_atapi_data[state->m_atapi_data_ptr++] << 8 ); data |= ( m_atapi_data[m_atapi_data_ptr++] << 8 );
if( state->m_atapi_data_ptr >= state->m_atapi_data_len ) if( m_atapi_data_ptr >= m_atapi_data_len )
{ {
state->m_atapi_data_ptr = 0; m_atapi_data_ptr = 0;
state->m_atapi_data_len = 0; m_atapi_data_len = 0;
if( state->m_atapi_xferlen == 0 ) if( m_atapi_xferlen == 0 )
{ {
atapi_regs[ATAPI_REG_CMDSTATUS] = 0; atapi_regs[ATAPI_REG_CMDSTATUS] = 0;
atapi_regs[ATAPI_REG_INTREASON] = ATAPI_INTREASON_IO; atapi_regs[ATAPI_REG_INTREASON] = ATAPI_INTREASON_IO;
@ -330,24 +346,23 @@ static READ32_HANDLER( atapi_r )
return data; return data;
} }
static WRITE32_HANDLER( atapi_w ) WRITE32_MEMBER( gammagic_state::atapi_w )
{ {
gammagic_state *state = space.machine().driver_data<gammagic_state>(); UINT8 *atapi_regs = m_atapi_regs;
UINT8 *atapi_regs = state->m_atapi_regs; UINT8 *atapi_data = m_atapi_data;
UINT8 *atapi_data = state->m_atapi_data;
int reg; int reg;
if (mem_mask == 0x0000ffff) // word-wide command write if (mem_mask == 0x0000ffff) // word-wide command write
{ {
atapi_data[state->m_atapi_data_ptr++] = data & 0xff; atapi_data[m_atapi_data_ptr++] = data & 0xff;
atapi_data[state->m_atapi_data_ptr++] = data >> 8; atapi_data[m_atapi_data_ptr++] = data >> 8;
if (state->m_atapi_cdata_wait) if (m_atapi_cdata_wait)
{ {
logerror("ATAPI: waiting, ptr %d wait %d\n", state->m_atapi_data_ptr, state->m_atapi_cdata_wait); logerror("ATAPI: waiting, ptr %d wait %d\n", m_atapi_data_ptr, m_atapi_cdata_wait);
if (state->m_atapi_data_ptr == state->m_atapi_cdata_wait) if (m_atapi_data_ptr == m_atapi_cdata_wait)
{ {
// send it to the device // send it to the device
SCSIWriteData( state->m_inserted_cdrom, atapi_data, state->m_atapi_cdata_wait ); SCSIWriteData( m_inserted_cdrom, atapi_data, m_atapi_cdata_wait );
// assert IRQ // assert IRQ
atapi_irq(space.machine(), ASSERT_LINE); atapi_irq(space.machine(), ASSERT_LINE);
@ -357,35 +372,35 @@ static WRITE32_HANDLER( atapi_w )
} }
} }
else if ( state->m_atapi_data_ptr == 12 ) else if ( m_atapi_data_ptr == 12 )
{ {
int phase; int phase;
// reset data pointer for reading SCSI results // reset data pointer for reading SCSI results
state->m_atapi_data_ptr = 0; m_atapi_data_ptr = 0;
state->m_atapi_data_len = 0; m_atapi_data_len = 0;
// send it to the SCSI device // send it to the SCSI device
SCSISetCommand( state->m_inserted_cdrom, state->m_atapi_data, 12 ); SCSISetCommand( m_inserted_cdrom, m_atapi_data, 12 );
SCSIExecCommand( state->m_inserted_cdrom, &state->m_atapi_xferlen ); SCSIExecCommand( m_inserted_cdrom, &m_atapi_xferlen );
SCSIGetPhase( state->m_inserted_cdrom, &phase ); SCSIGetPhase( m_inserted_cdrom, &phase );
if (state->m_atapi_xferlen != -1) if (m_atapi_xferlen != -1)
{ {
logerror("ATAPI: SCSI command %02x returned %d bytes from the device\n", atapi_data[0]&0xff, state->m_atapi_xferlen); logerror("ATAPI: SCSI command %02x returned %d bytes from the device\n", atapi_data[0]&0xff, m_atapi_xferlen);
// store the returned command length in the ATAPI regs, splitting into // store the returned command length in the ATAPI regs, splitting into
// multiple transfers if necessary // multiple transfers if necessary
state->m_atapi_xfermod = 0; m_atapi_xfermod = 0;
if (state->m_atapi_xferlen > MAX_TRANSFER_SIZE) if (m_atapi_xferlen > MAX_TRANSFER_SIZE)
{ {
state->m_atapi_xfermod = state->m_atapi_xferlen - MAX_TRANSFER_SIZE; m_atapi_xfermod = m_atapi_xferlen - MAX_TRANSFER_SIZE;
state->m_atapi_xferlen = MAX_TRANSFER_SIZE; m_atapi_xferlen = MAX_TRANSFER_SIZE;
} }
atapi_regs[ATAPI_REG_COUNTLOW] = state->m_atapi_xferlen & 0xff; atapi_regs[ATAPI_REG_COUNTLOW] = m_atapi_xferlen & 0xff;
atapi_regs[ATAPI_REG_COUNTHIGH] = (state->m_atapi_xferlen>>8)&0xff; atapi_regs[ATAPI_REG_COUNTHIGH] = (m_atapi_xferlen>>8)&0xff;
if (state->m_atapi_xferlen == 0) if (m_atapi_xferlen == 0)
{ {
// if no data to return, set the registers properly // if no data to return, set the registers properly
atapi_regs[ATAPI_REG_CMDSTATUS] = ATAPI_STAT_DRDY; atapi_regs[ATAPI_REG_CMDSTATUS] = ATAPI_STAT_DRDY;
@ -401,7 +416,7 @@ static WRITE32_HANDLER( atapi_w )
switch( phase ) switch( phase )
{ {
case SCSI_PHASE_DATAOUT: case SCSI_PHASE_DATAOUT:
state->m_atapi_cdata_wait = state->m_atapi_xferlen; m_atapi_cdata_wait = m_atapi_xferlen;
break; break;
} }
@ -415,7 +430,7 @@ static WRITE32_HANDLER( atapi_w )
case 0x45: // PLAY case 0x45: // PLAY
atapi_regs[ATAPI_REG_CMDSTATUS] = ATAPI_STAT_BSY; atapi_regs[ATAPI_REG_CMDSTATUS] = ATAPI_STAT_BSY;
state->m_atapi_timer->adjust( downcast<cpu_device *>(&space->device())->cycles_to_attotime( ATAPI_CYCLES_PER_SECTOR ) ); m_atapi_timer->adjust( downcast<cpu_device *>(&space->device())->cycles_to_attotime( ATAPI_CYCLES_PER_SECTOR ) );
break; break;
} }
@ -466,27 +481,27 @@ static WRITE32_HANDLER( atapi_w )
atapi_regs[ATAPI_REG_CMDSTATUS] = ATAPI_STAT_DRQ; atapi_regs[ATAPI_REG_CMDSTATUS] = ATAPI_STAT_DRQ;
atapi_regs[ATAPI_REG_INTREASON] = ATAPI_INTREASON_COMMAND; atapi_regs[ATAPI_REG_INTREASON] = ATAPI_INTREASON_COMMAND;
state->m_atapi_data_ptr = 0; m_atapi_data_ptr = 0;
state->m_atapi_data_len = 0; m_atapi_data_len = 0;
// we have no data // we have no data
state->m_atapi_xferlen = 0; m_atapi_xferlen = 0;
state->m_atapi_xfermod = 0; m_atapi_xfermod = 0;
state->m_atapi_cdata_wait = 0; m_atapi_cdata_wait = 0;
break; break;
case 0xa1: // IDENTIFY PACKET DEVICE case 0xa1: // IDENTIFY PACKET DEVICE
atapi_regs[ATAPI_REG_CMDSTATUS] = ATAPI_STAT_DRQ; atapi_regs[ATAPI_REG_CMDSTATUS] = ATAPI_STAT_DRQ;
state->m_atapi_data_ptr = 0; m_atapi_data_ptr = 0;
state->m_atapi_data_len = 512; m_atapi_data_len = 512;
// we have no data // we have no data
state->m_atapi_xferlen = 0; m_atapi_xferlen = 0;
state->m_atapi_xfermod = 0; m_atapi_xfermod = 0;
memset( atapi_data, 0, state->m_atapi_data_len ); memset( atapi_data, 0, m_atapi_data_len );
atapi_data[ 0 ^ 1 ] = 0x85; // ATAPI device, cmd set 5 compliant, DRQ within 3 ms of PACKET command atapi_data[ 0 ^ 1 ] = 0x85; // ATAPI device, cmd set 5 compliant, DRQ within 3 ms of PACKET command
atapi_data[ 1 ^ 1 ] = 0x80; // ATAPI device, removable media atapi_data[ 1 ^ 1 ] = 0x80; // ATAPI device, removable media
@ -532,8 +547,8 @@ static WRITE32_HANDLER( atapi_w )
case 0xef: // SET FEATURES case 0xef: // SET FEATURES
atapi_regs[ATAPI_REG_CMDSTATUS] = 0; atapi_regs[ATAPI_REG_CMDSTATUS] = 0;
state->m_atapi_data_ptr = 0; m_atapi_data_ptr = 0;
state->m_atapi_data_len = 0; m_atapi_data_len = 0;
atapi_irq(space.machine(), ASSERT_LINE); atapi_irq(space.machine(), ASSERT_LINE);
break; break;
@ -561,9 +576,9 @@ static ADDRESS_MAP_START( gammagic_io, AS_IO, 32, gammagic_state)
AM_RANGE(0x0040, 0x005f) AM_DEVREADWRITE8_LEGACY("pit8254", pit8253_r, pit8253_w, 0xffffffff) AM_RANGE(0x0040, 0x005f) AM_DEVREADWRITE8_LEGACY("pit8254", pit8253_r, pit8253_w, 0xffffffff)
AM_RANGE(0x0060, 0x006f) AM_DEVREADWRITE8("kbdc", kbdc8042_device, data_r, data_w, 0xffffffff) AM_RANGE(0x0060, 0x006f) AM_DEVREADWRITE8("kbdc", kbdc8042_device, data_r, data_w, 0xffffffff)
AM_RANGE(0x0070, 0x007f) AM_DEVREADWRITE8("rtc", mc146818_device, read, write, 0xffffffff) AM_RANGE(0x0070, 0x007f) AM_DEVREADWRITE8("rtc", mc146818_device, read, write, 0xffffffff)
AM_RANGE(0x0080, 0x009f) AM_READWRITE8_LEGACY(at_page8_r, at_page8_w, 0xffffffff) AM_RANGE(0x0080, 0x009f) AM_READWRITE8(at_page8_r, at_page8_w, 0xffffffff)
AM_RANGE(0x00a0, 0x00bf) AM_DEVREADWRITE8_LEGACY("pic8259_2", pic8259_r, pic8259_w, 0xffffffff) AM_RANGE(0x00a0, 0x00bf) AM_DEVREADWRITE8_LEGACY("pic8259_2", pic8259_r, pic8259_w, 0xffffffff)
AM_RANGE(0x00c0, 0x00df) AM_DEVREADWRITE8_LEGACY("dma8237_2", at_dma8237_2_r, at_dma8237_2_w, 0xffffffff) AM_RANGE(0x00c0, 0x00df) AM_READWRITE8(at_dma8237_2_r, at_dma8237_2_w, 0xffffffff)
AM_RANGE(0x00e8, 0x00ef) AM_NOP AM_RANGE(0x00e8, 0x00ef) AM_NOP
AM_RANGE(0x00f0, 0x01ef) AM_NOP AM_RANGE(0x00f0, 0x01ef) AM_NOP
//AM_RANGE(0x01f0, 0x01f7) AM_READWRITE(atapi_r, atapi_w) //AM_RANGE(0x01f0, 0x01f7) AM_READWRITE(atapi_r, atapi_w)
@ -632,57 +647,44 @@ IRQ_CALLBACK_MEMBER(gammagic_state::irq_callback)
return pic8259_acknowledge(m_pic8259_1); return pic8259_acknowledge(m_pic8259_1);
} }
static MACHINE_START(gammagic) void gammagic_state::machine_start()
{ {
gammagic_state *state = machine.driver_data<gammagic_state>(); m_maincpu->set_irq_acknowledge_callback(device_irq_acknowledge_delegate(FUNC(gammagic_state::irq_callback),this));
state->m_maincpu->set_irq_acknowledge_callback(device_irq_acknowledge_delegate(FUNC(gammagic_state::irq_callback),state));
state->m_pit8254 = machine.device( "pit8254" );
state->m_pic8259_1 = machine.device( "pic8259_1" );
state->m_pic8259_2 = machine.device( "pic8259_2" );
state->m_dma8237_1 = machine.device<i8237_device>( "dma8237_1" );
state->m_dma8237_2 = machine.device<i8237_device>( "dma8237_2" );
} }
static MACHINE_RESET( gammagic ) void gammagic_state::machine_reset()
{ {
//gammagic_state *state = machine.driver_data<gammagic_state>();
//void *cd; //void *cd;
//SCSIGetDevice( state->m_inserted_cdrom, &cd ); //SCSIGetDevice( m_inserted_cdrom, &cd );
} }
/*static void atapi_irq(running_machine &machine, int state) /*void gammagic_state::atapi_irq(int state)
{ {
gammagic_state *drvstate = machine.driver_data<gammagic_state>(); pic8259_ir6_w(m_pic8259_2, state);
pic8259_ir6_w(drvstate->m_pic8259_2, state);
} }
static void atapi_exit(running_machine& machine) void gammagic_state::atapi_exit(running_machine& machine)
{ {
gammagic_state *state = machine.driver_data<gammagic_state>(); SCSIDeleteInstance(m_inserted_cdrom);
SCSIDeleteInstance(state->m_inserted_cdrom);
} }
*/ */
static void atapi_init(running_machine &machine) void gammagic_state::atapi_init()
{ {
gammagic_state *state = machine.driver_data<gammagic_state>(); m_atapi_regs[ATAPI_REG_CMDSTATUS] = 0;
m_atapi_regs[ATAPI_REG_ERRFEAT] = 1;
m_atapi_regs[ATAPI_REG_COUNTLOW] = 0x14;
m_atapi_regs[ATAPI_REG_COUNTHIGH] = 0xeb;
m_atapi_data_ptr = 0;
m_atapi_data_len = 0;
m_atapi_cdata_wait = 0;
state->m_atapi_regs[ATAPI_REG_CMDSTATUS] = 0; //SCSIAllocInstance( machine, &SCSIClassCr589, &m_inserted_cdrom, ":cdrom" );
state->m_atapi_regs[ATAPI_REG_ERRFEAT] = 1;
state->m_atapi_regs[ATAPI_REG_COUNTLOW] = 0x14;
state->m_atapi_regs[ATAPI_REG_COUNTHIGH] = 0xeb;
state->m_atapi_data_ptr = 0;
state->m_atapi_data_len = 0;
state->m_atapi_cdata_wait = 0;
//SCSIAllocInstance( machine, &SCSIClassCr589, &state->m_inserted_cdrom, ":cdrom" ); //machine().add_notifier(MACHINE_NOTIFY_EXIT, machine_notify_delegate(FUNC(atapi_exit), &machine));
//machine.add_notifier(MACHINE_NOTIFY_EXIT, machine_notify_delegate(FUNC(atapi_exit), &machine));
} }
@ -693,26 +695,24 @@ static void atapi_init(running_machine &machine)
* *
*************************************************************/ *************************************************************/
static WRITE_LINE_DEVICE_HANDLER( gammagic_pic8259_1_set_int_line ) WRITE_LINE_MEMBER(gammagic_state::gammagic_pic8259_1_set_int_line)
{ {
gammagic_state *drvstate = device->machine().driver_data<gammagic_state>(); m_maincpu->set_input_line(0, state ? HOLD_LINE : CLEAR_LINE);
drvstate->m_maincpu->set_input_line( 0, state ? HOLD_LINE : CLEAR_LINE);
} }
static READ8_DEVICE_HANDLER( get_slave_ack ) READ8_MEMBER(gammagic_state::get_slave_ack)
{ {
gammagic_state *state = device->machine().driver_data<gammagic_state>();
if (offset==2) { if (offset==2) {
return pic8259_acknowledge(state->m_pic8259_2); return pic8259_acknowledge(m_pic8259_2);
} }
return 0x00; return 0x00;
} }
static const struct pic8259_interface gammagic_pic8259_1_config = static const struct pic8259_interface gammagic_pic8259_1_config =
{ {
DEVCB_LINE(gammagic_pic8259_1_set_int_line), DEVCB_DRIVER_LINE_MEMBER(gammagic_state,gammagic_pic8259_1_set_int_line),
DEVCB_LINE_VCC, DEVCB_LINE_VCC,
DEVCB_HANDLER(get_slave_ack) DEVCB_DRIVER_MEMBER(gammagic_state,get_slave_ack)
}; };
static const struct pic8259_interface gammagic_pic8259_2_config = static const struct pic8259_interface gammagic_pic8259_2_config =
@ -768,8 +768,6 @@ static MACHINE_CONFIG_START( gammagic, gammagic_state )
MCFG_CPU_ADD("maincpu", PENTIUM, 133000000) // Intel Pentium 133 MCFG_CPU_ADD("maincpu", PENTIUM, 133000000) // Intel Pentium 133
MCFG_CPU_PROGRAM_MAP(gammagic_map) MCFG_CPU_PROGRAM_MAP(gammagic_map)
MCFG_CPU_IO_MAP(gammagic_io) MCFG_CPU_IO_MAP(gammagic_io)
MCFG_MACHINE_START(gammagic)
MCFG_MACHINE_RESET( gammagic )
MCFG_PIT8254_ADD( "pit8254", gammagic_pit8254_config ) MCFG_PIT8254_ADD( "pit8254", gammagic_pit8254_config )
MCFG_I8237_ADD( "dma8237_1", XTAL_14_31818MHz/3, dma8237_1_config ) MCFG_I8237_ADD( "dma8237_1", XTAL_14_31818MHz/3, dma8237_1_config )
MCFG_I8237_ADD( "dma8237_2", XTAL_14_31818MHz/3, dma8237_2_config ) MCFG_I8237_ADD( "dma8237_2", XTAL_14_31818MHz/3, dma8237_2_config )
@ -791,7 +789,7 @@ MACHINE_CONFIG_END
DRIVER_INIT_MEMBER(gammagic_state,gammagic) DRIVER_INIT_MEMBER(gammagic_state,gammagic)
{ {
atapi_init(machine()); atapi_init();
} }
ROM_START( gammagic ) ROM_START( gammagic )

85
src/mame/drivers/vlc.c
View File

@ -174,7 +174,17 @@ public:
UINT16* m_videoram; UINT16* m_videoram;
tilemap_t *m_bg_tilemap; tilemap_t *m_bg_tilemap;
virtual void video_start();
UINT32 screen_update_nevada(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
virtual void palette_init();
DECLARE_WRITE_LINE_MEMBER(nevada_rtc_irq);
DECLARE_READ16_MEMBER(io_board_r);
DECLARE_WRITE16_MEMBER(io_board_w);
DECLARE_WRITE16_MEMBER (io_board_x);
DECLARE_READ16_MEMBER( nevada_sec_r );
DECLARE_WRITE16_MEMBER( nevada_sec_w );
virtual void machine_reset();
DECLARE_DRIVER_INIT(nevada); DECLARE_DRIVER_INIT(nevada);
}; };
@ -245,13 +255,12 @@ static const gfx_layout charlayout =
/***************************************************************************/ /***************************************************************************/
/* /*
static WRITE16_HANDLER( nevada_videoram_w ) WRITE16_MEMBER( nevada_state:nevada_videoram_w )
{ {
// Todo, Just for sample // Todo, Just for sample
nevada_state *state = space->machine().driver_data<nevada_state>(); m_videoram[offset] = data;
state->m_videoram[offset] = data; m_bg_tilemap->mark_tile_dirty(offset);
state->m_bg_tilemap->mark_tile_dirty(offset);
} }
*/ */
@ -263,44 +272,40 @@ GFXDECODE_END
/***************************************************************************/ /***************************************************************************/
/* /*
static TILE_GET_INFO( get_bg_tile_info ) static TILE_GET_INFO_MEMBER( nevada_state::get_bg_tile_info )
{ {
// Todo, Just for sample // Todo, Just for sample
nevada_state *state = machine.driver_data<nevada_state>(); int attr = m_colorram[tile_index];
int code = ((attr & 1) << 8) | m_videoram[tile_index];
int attr = state->m_colorram[tile_index];
int code = ((attr & 1) << 8) | state->m_videoram[tile_index];
int bank = (attr & 0x02) >> 1; int bank = (attr & 0x02) >> 1;
int color = (attr & 0x3c) >> 2; int color = (attr & 0x3c) >> 2;
SET_TILE_INFO(bank, code, color, 0); SET_TILE_INFO_MEMBER(bank, code, color, 0);
} }
*/ */
/***************************************************************************/ /***************************************************************************/
static VIDEO_START( nevada ) void nevada_state::video_start()
{ {
// todo // todo
/* /*
nevada_state *state = machine.driver_data<nevada_state>(); m_bg_tilemap = tilemap_create(machine(), get_bg_tile_info, tilemap_scan_rows, 8, 8, 32, 32);
state->m_bg_tilemap = tilemap_create(machine, get_bg_tile_info, tilemap_scan_rows, 8, 8, 32, 32);
*/ */
} }
/***************************************************************************/ /***************************************************************************/
static SCREEN_UPDATE_IND16( nevada ) UINT32 nevada_state::screen_update_nevada(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
{ {
// Todo // Todo
/* /*
nevada_state *state = screen.machine().driver_data<nevada_state>(); m_bg_tilemap->draw(bitmap, cliprect, 0, 0);
state->m_bg_tilemap->draw(bitmap, cliprect, 0, 0);
*/ */
return 0; return 0;
} }
/***************************************************************************/ /***************************************************************************/
static PALETTE_INIT( nevada ) void nevada_state::palette_init()
{ {
// Palette init // Palette init
} }
@ -449,16 +454,15 @@ static UINT8 duart40_input( device_t *device )
/***************************************************************************/ /***************************************************************************/
/********************* RTC SECTION ********************************/ /********************* RTC SECTION ********************************/
/***************************************************************************/ /***************************************************************************/
static WRITE_LINE_DEVICE_HANDLER(nevada_rtc_irq) WRITE_LINE_MEMBER(nevada_state::nevada_rtc_irq)
{ {
nevada_state *drvstate = device->machine().driver_data<nevada_state>(); m_maincpu->set_input_line(INPUT_LINE_IRQ1, HOLD_LINE); // rtc interrupt on INT1
drvstate->m_maincpu->set_input_line(INPUT_LINE_IRQ1, HOLD_LINE); // rtc interrupt on INT1
} }
/***************************************************************************/ /***************************************************************************/
static MSM6242_INTERFACE( nevada_rtc_intf ) static MSM6242_INTERFACE( nevada_rtc_intf )
{ {
DEVCB_LINE(nevada_rtc_irq) DEVCB_DRIVER_LINE_MEMBER(nevada_state,nevada_rtc_irq)
}; };
/***************************************************************************/ /***************************************************************************/
@ -477,42 +481,40 @@ static const ay8910_interface ay8910_config =
}; };
/***************************************************************************/ /***************************************************************************/
static READ16_HANDLER(io_board_r) READ16_MEMBER(nevada_state::io_board_r)
{ {
// IO board Serial communication 0xA00000 // IO board Serial communication 0xA00000
return 1; return 1;
} }
/***************************************************************************/ /***************************************************************************/
static WRITE16_HANDLER(io_board_w) WRITE16_MEMBER(nevada_state::io_board_w)
{ {
// IO board Serial communication 0xA00000 on bit0 // IO board Serial communication 0xA00000 on bit0
} }
/***************************************************************************/ /***************************************************************************/
static WRITE16_HANDLER (io_board_x) WRITE16_MEMBER(nevada_state::io_board_x)
{ {
// IO board Serial communication 0xA80000 on bit15 // IO board Serial communication 0xA80000 on bit15
} }
/***************************************************************************/ /***************************************************************************/
static READ16_HANDLER( nevada_sec_r ) READ16_MEMBER(nevada_state::nevada_sec_r )
{ {
nevada_state *state = space.machine().driver_data<nevada_state>();
// D3..D0 = DOOR OPEN or Track STATE of PAL35 // D3..D0 = DOOR OPEN or Track STATE of PAL35
UINT16 res; UINT16 res;
/* UPPER byte is use for input in PAL35 */ /* UPPER byte is use for input in PAL35 */
// 74LS173 $bits Register used LOWER bits D3..D0 for PAL35 state and DOOR LOGIC SWITCH // 74LS173 $bits Register used LOWER bits D3..D0 for PAL35 state and DOOR LOGIC SWITCH
res = pal35[state->m_datA40000 >> 8]; res = pal35[m_datA40000 >> 8];
res = res << 8; res = res << 8;
res = res | (state->m_datA40000 & 0x00FF); res = res | (m_datA40000 & 0x00FF);
return res; return res;
} }
/***************************************************************************/ /***************************************************************************/
static WRITE16_HANDLER( nevada_sec_w ) WRITE16_MEMBER(nevada_state::nevada_sec_w )
{ {
nevada_state *state = space.machine().driver_data<nevada_state>();
// 74LS173 $bits Register used LOWER bits D3..D0 for DOOR LOGIC SWITCH // 74LS173 $bits Register used LOWER bits D3..D0 for DOOR LOGIC SWITCH
state->m_datA40000 = data | 0x00f0; // since D7..D4 are not used and are connected to PULLUP m_datA40000 = data | 0x00f0; // since D7..D4 are not used and are connected to PULLUP
// popmessage("WRITE %04x %04x ",datA40000,data); // popmessage("WRITE %04x %04x ",datA40000,data);
} }
@ -602,13 +604,13 @@ static ADDRESS_MAP_START( nevada_map, AS_PROGRAM, 16,nevada_state )
AM_RANGE(0x00010000, 0x00021fff) AM_RAM AM_SHARE("backup") AM_RANGE(0x00010000, 0x00021fff) AM_RAM AM_SHARE("backup")
AM_RANGE(0x00900000, 0x00900001) AM_DEVWRITE8("crtc",mc6845_device, address_w,0x00ff ) AM_RANGE(0x00900000, 0x00900001) AM_DEVWRITE8("crtc",mc6845_device, address_w,0x00ff )
AM_RANGE(0x00908000, 0x00908001) AM_DEVWRITE8("crtc",mc6845_device,register_w,0x00ff ) AM_RANGE(0x00908000, 0x00908001) AM_DEVWRITE8("crtc",mc6845_device,register_w,0x00ff )
AM_RANGE(0x00a00000, 0x00a00001) AM_READWRITE_LEGACY (io_board_r,io_board_w) AM_RANGE(0x00a00000, 0x00a00001) AM_READWRITE(io_board_r,io_board_w)
AM_RANGE(0x00a08000, 0x00a08001) AM_WRITE_LEGACY(io_board_x) AM_RANGE(0x00a08000, 0x00a08001) AM_WRITE(io_board_x)
AM_RANGE(0x00a10000, 0x00a10001) AM_WRITE(watchdog_reset16_w ) AM_RANGE(0x00a10000, 0x00a10001) AM_WRITE(watchdog_reset16_w )
AM_RANGE(0x00a20000, 0x00a20001) AM_DEVWRITE8_LEGACY("aysnd", ay8910_address_w,0x00ff ) AM_RANGE(0x00a20000, 0x00a20001) AM_DEVWRITE8_LEGACY("aysnd", ay8910_address_w,0x00ff )
AM_RANGE(0x00a28000, 0x00a28001) AM_DEVWRITE8_LEGACY("aysnd", ay8910_data_w ,0x00ff ) AM_RANGE(0x00a28000, 0x00a28001) AM_DEVWRITE8_LEGACY("aysnd", ay8910_data_w ,0x00ff )
AM_RANGE(0x00a30000, 0x00A300ff) AM_DEVREADWRITE8("rtc",msm6242_device, read, write, 0x00ff) AM_RANGE(0x00a30000, 0x00A300ff) AM_DEVREADWRITE8("rtc",msm6242_device, read, write, 0x00ff)
AM_RANGE(0x00a40000, 0x00A40001) AM_READWRITE_LEGACY( nevada_sec_r, nevada_sec_w) AM_RANGE(0x00a40000, 0x00A40001) AM_READWRITE( nevada_sec_r, nevada_sec_w)
//AM_RANGE(0x00b00000, 0x00b01fff) AM_RAM_WRITE(nevada_videoram_w) AM_BASE_MEMBER(nevada_state, m_videoram) //AM_RANGE(0x00b00000, 0x00b01fff) AM_RAM_WRITE(nevada_videoram_w) AM_BASE_MEMBER(nevada_state, m_videoram)
AM_RANGE(0x00b00000, 0x00b01fff) AM_RAM // Video AM_RANGE(0x00b00000, 0x00b01fff) AM_RAM // Video
AM_RANGE(0x00b10000, 0x00b100ff) AM_DEVREADWRITE8_LEGACY( "duart40_68681", duart68681_r, duart68681_w, 0x00ff ) // Lower byte AM_RANGE(0x00b10000, 0x00b100ff) AM_DEVREADWRITE8_LEGACY( "duart40_68681", duart68681_r, duart68681_w, 0x00ff ) // Lower byte
@ -694,13 +696,11 @@ static const duart68681_config nevada_duart40_68681_config =
* Machine Reset * * Machine Reset *
*************************/ *************************/
static MACHINE_RESET( nevada ) void nevada_state::machine_reset()
{ {
nevada_state *state = machine.driver_data<nevada_state>(); m_duart18_68681 = machine().device( "duart18_68681" );
m_duart39_68681 = machine().device( "duart39_68681" );
state->m_duart18_68681 = machine.device( "duart18_68681" ); m_duart40_68681 = machine().device( "duart40_68681" );
state->m_duart39_68681 = machine.device( "duart39_68681" );
state->m_duart40_68681 = machine.device( "duart40_68681" );
} }
/***************************************************************************/ /***************************************************************************/
@ -714,7 +714,6 @@ static MACHINE_CONFIG_START( nevada, nevada_state )
MCFG_CPU_PROGRAM_MAP(nevada_map) MCFG_CPU_PROGRAM_MAP(nevada_map)
MCFG_CPU_IO_MAP(nevada_iomap) //0x10000 0x20000 MCFG_CPU_IO_MAP(nevada_iomap) //0x10000 0x20000
MCFG_MACHINE_RESET(nevada)
MCFG_WATCHDOG_TIME_INIT(attotime::from_msec(150)) /* 150ms Ds1232 TD to Ground */ MCFG_WATCHDOG_TIME_INIT(attotime::from_msec(150)) /* 150ms Ds1232 TD to Ground */
@ -726,12 +725,10 @@ static MACHINE_CONFIG_START( nevada, nevada_state )
MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(0)) MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(0))
MCFG_SCREEN_SIZE((42+1)*8, (32+1)*8) /* From MC6845 init, registers 00 & 04 (programmed with value-1). */ MCFG_SCREEN_SIZE((42+1)*8, (32+1)*8) /* From MC6845 init, registers 00 & 04 (programmed with value-1). */
MCFG_SCREEN_VISIBLE_AREA(0*8, 31*8-1, 0*8, 31*8-1) /* From MC6845 init, registers 01 & 06. */ MCFG_SCREEN_VISIBLE_AREA(0*8, 31*8-1, 0*8, 31*8-1) /* From MC6845 init, registers 01 & 06. */
MCFG_SCREEN_UPDATE_STATIC(nevada) MCFG_SCREEN_UPDATE_DRIVER(nevada_state, screen_update_nevada)
MCFG_GFXDECODE(nevada) MCFG_GFXDECODE(nevada)
MCFG_PALETTE_LENGTH(256) MCFG_PALETTE_LENGTH(256)
MCFG_PALETTE_INIT(nevada)
MCFG_VIDEO_START(nevada)
MCFG_MC6845_ADD("crtc", MC6845, MC6845_CLOCK, mc6845_intf) MCFG_MC6845_ADD("crtc", MC6845, MC6845_CLOCK, mc6845_intf)