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ncr539x.device: converted to devcb2 (nw)

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This commit is contained in:
Ivan Vangelista 2014-04-08 15:03:52 +00:00
parent 011ec58ed5
commit 1d9f44d430
3 changed files with 43 additions and 69 deletions
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73
src/emu/machine/ncr539x.c
View File

@ -104,29 +104,6 @@ static int get_cmd_len(int cbyte)
return 6;
}
//-------------------------------------------------
// device_config_complete - perform any
// operations now that the configuration is
// complete
//-------------------------------------------------
void ncr539x_device::device_config_complete()
{
// inherit a copy of the static data
const NCR539Xinterface *intf = reinterpret_cast<const NCR539Xinterface *>(static_config());
if (intf != NULL)
{
*static_cast<NCR539Xinterface *>(this) = *intf;
}
// or initialize to defaults if none provided
else
{
memset(&m_out_irq_cb, 0, sizeof(m_out_irq_cb));
memset(&m_out_drq_cb, 0, sizeof(m_out_drq_cb));
}
}
//**************************************************************************
// LIVE DEVICE
//**************************************************************************
@ -138,7 +115,9 @@ const device_type NCR539X = &device_creator<ncr539x_device>;
//-------------------------------------------------
ncr539x_device::ncr539x_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
: device_t(mconfig, NCR539X, "539x SCSI", tag, owner, clock, "ncr539x", __FILE__)
: device_t(mconfig, NCR539X, "539x SCSI", tag, owner, clock, "ncr539x", __FILE__),
m_out_irq_cb(*this),
m_out_drq_cb(*this)
{
}
@ -151,8 +130,8 @@ void ncr539x_device::device_start()
memset(m_scsi_devices, 0, sizeof(m_scsi_devices));
// resolve line callbacks
m_out_irq_func.resolve(m_out_irq_cb, *this);
m_out_drq_func.resolve(m_out_drq_cb, *this);
m_out_irq_cb.resolve_safe();
m_out_drq_cb.resolve_safe();
// try to open the devices
for( device_t *device = owner()->first_subdevice(); device != NULL; device = device->next() )
@ -189,8 +168,8 @@ void ncr539x_device::device_reset()
m_chipid_available = false;
m_chipid_lock = false;
m_out_irq_func(CLEAR_LINE);
m_out_drq_func(CLEAR_LINE);
m_out_irq_cb(CLEAR_LINE);
m_out_drq_cb(CLEAR_LINE);
}
void ncr539x_device::dma_read_data(int bytes, UINT8 *pData)
@ -233,7 +212,7 @@ void ncr539x_device::device_timer(emu_timer &timer, device_timer_id tid, int par
// if this is a DMA command, raise DRQ now
if (m_command & 0x80)
{
m_out_drq_func(ASSERT_LINE);
m_out_drq_cb(ASSERT_LINE);
}
switch (m_command & 0x7f)
@ -267,7 +246,7 @@ void ncr539x_device::device_timer(emu_timer &timer, device_timer_id tid, int par
m_status |= MAIN_STATUS_INTERRUPT;
m_irq_status |= IRQ_STATUS_DISCONNECTED;
}
m_out_irq_func(ASSERT_LINE);
m_out_irq_cb(ASSERT_LINE);
break;
case 0x42: // Select with ATN steps
@ -298,7 +277,7 @@ void ncr539x_device::device_timer(emu_timer &timer, device_timer_id tid, int par
m_status |= MAIN_STATUS_INTERRUPT;
m_irq_status |= IRQ_STATUS_DISCONNECTED;
}
m_out_irq_func(ASSERT_LINE);
m_out_irq_cb(ASSERT_LINE);
break;
case 0x11: // initiator command complete
@ -308,7 +287,7 @@ void ncr539x_device::device_timer(emu_timer &timer, device_timer_id tid, int par
m_irq_status = IRQ_STATUS_SERVICE_REQUEST;
m_status &= ~7; // clear phase bits
m_status |= MAIN_STATUS_INTERRUPT | SCSI_PHASE_DATAIN; // go to data in phase (?)
m_out_irq_func(ASSERT_LINE);
m_out_irq_cb(ASSERT_LINE);
// this puts status and message bytes into the FIFO (todo: what are these?)
m_fifo_ptr = 0;
@ -326,7 +305,7 @@ void ncr539x_device::device_timer(emu_timer &timer, device_timer_id tid, int par
#endif
m_irq_status = IRQ_STATUS_SERVICE_REQUEST;
m_status |= MAIN_STATUS_INTERRUPT;
m_out_irq_func(ASSERT_LINE);
m_out_irq_cb(ASSERT_LINE);
break;
default:
@ -407,7 +386,7 @@ READ8_MEMBER( ncr539x_device::read )
m_irq_status = IRQ_STATUS_SERVICE_REQUEST;
m_status &= 0x7; // clear everything but the phase bits
m_status |= MAIN_STATUS_INTERRUPT | MAIN_STATUS_COUNT_TO_ZERO;
m_out_irq_func(ASSERT_LINE);
m_out_irq_cb(ASSERT_LINE);
// if no data at all, drop the phase
if ((m_buffer_remaining + m_total_data) == 0)
@ -436,7 +415,7 @@ READ8_MEMBER( ncr539x_device::read )
rv = m_irq_status;
// clear the interrupt state
m_status &= ~MAIN_STATUS_INTERRUPT;
m_out_irq_func(CLEAR_LINE);
m_out_irq_cb(CLEAR_LINE);
break;
case 6:
@ -515,7 +494,7 @@ WRITE8_MEMBER( ncr539x_device::write )
case 0x00: // NOP
m_irq_status = IRQ_STATUS_SUCCESS;
m_status |= MAIN_STATUS_INTERRUPT;
m_out_irq_func(ASSERT_LINE);
m_out_irq_cb(ASSERT_LINE);
// DMA NOP? allow chip ID
if ((m_command == 0x80) && (!m_chipid_lock))
@ -529,7 +508,7 @@ WRITE8_MEMBER( ncr539x_device::write )
update_fifo_internal_state(0);
m_irq_status = IRQ_STATUS_SUCCESS;
m_status |= MAIN_STATUS_INTERRUPT;
m_out_irq_func(ASSERT_LINE);
m_out_irq_cb(ASSERT_LINE);
break;
case 0x02: // Reset device
@ -537,14 +516,14 @@ WRITE8_MEMBER( ncr539x_device::write )
m_irq_status = IRQ_STATUS_SUCCESS;
m_status |= MAIN_STATUS_INTERRUPT;
m_out_irq_func(ASSERT_LINE);
m_out_irq_cb(ASSERT_LINE);
break;
case 0x03: // Reset SCSI bus
m_status = 0;
m_irq_status = IRQ_STATUS_SUCCESS;
m_status |= MAIN_STATUS_INTERRUPT;
m_out_irq_func(ASSERT_LINE);
m_out_irq_cb(ASSERT_LINE);
break;
case 0x10: // information transfer (must happen immediately)
@ -611,7 +590,7 @@ WRITE8_MEMBER( ncr539x_device::write )
m_xfer_count = m_dma_size;
m_fifo_ptr = 0;
update_fifo_internal_state(fifo_fill_size);
m_out_drq_func(ASSERT_LINE);
m_out_drq_cb(ASSERT_LINE);
}
m_status |= MAIN_STATUS_COUNT_TO_ZERO;
@ -635,7 +614,7 @@ WRITE8_MEMBER( ncr539x_device::write )
m_buffer_offset = 0;
m_buffer_remaining = 0;
}
m_out_irq_func(ASSERT_LINE);
m_out_irq_cb(ASSERT_LINE);
break;
case 0x24: // Terminate steps
@ -644,7 +623,7 @@ WRITE8_MEMBER( ncr539x_device::write )
#endif
m_irq_status = IRQ_STATUS_SUCCESS | IRQ_STATUS_DISCONNECTED;
m_status |= MAIN_STATUS_INTERRUPT;
m_out_irq_func(ASSERT_LINE);
m_out_irq_cb(ASSERT_LINE);
m_fifo_ptr = 0;
update_fifo_internal_state(0);
break;
@ -655,7 +634,7 @@ WRITE8_MEMBER( ncr539x_device::write )
#endif
m_irq_status = IRQ_STATUS_SUCCESS;
m_status |= MAIN_STATUS_INTERRUPT;
m_out_irq_func(ASSERT_LINE);
m_out_irq_cb(ASSERT_LINE);
break;
case 0x44: // Enable selection/reselection
@ -664,7 +643,7 @@ WRITE8_MEMBER( ncr539x_device::write )
#endif
m_irq_status = IRQ_STATUS_SUCCESS;
m_status |= MAIN_STATUS_INTERRUPT;
m_out_irq_func(ASSERT_LINE);
m_out_irq_cb(ASSERT_LINE);
break;
case 0x47: // Reselect with ATN3 steps
@ -695,7 +674,7 @@ WRITE8_MEMBER( ncr539x_device::write )
m_status |= MAIN_STATUS_INTERRUPT;
m_irq_status |= IRQ_STATUS_DISCONNECTED;
}
m_out_irq_func(ASSERT_LINE);
m_out_irq_cb(ASSERT_LINE);
break;
default: // other commands are not instantaneous
@ -846,7 +825,7 @@ void ncr539x_device::fifo_write(UINT8 data)
m_irq_status = IRQ_STATUS_SERVICE_REQUEST;
m_status &= 7;
m_status |= MAIN_STATUS_INTERRUPT;
m_out_irq_func(ASSERT_LINE);
m_out_irq_cb(ASSERT_LINE);
}
if ((m_xfer_count == 0) && (m_total_data == 0))
@ -858,7 +837,7 @@ void ncr539x_device::fifo_write(UINT8 data)
m_buffer_offset = 0;
m_irq_status = IRQ_STATUS_SERVICE_REQUEST;
m_status = MAIN_STATUS_INTERRUPT | SCSI_PHASE_STATUS;
m_out_irq_func(ASSERT_LINE);
m_out_irq_cb(ASSERT_LINE);
}
}
}

27
src/emu/machine/ncr539x.h
View File

@ -8,28 +8,28 @@
#include "machine/scsihle.h"
struct NCR539Xinterface
{
devcb_write_line m_out_irq_cb; /* IRQ line */
devcb_write_line m_out_drq_cb; /* DRQ line */
};
//// 539x registers
//enum
//{
//};
// device stuff
#define MCFG_NCR539X_ADD(_tag, _clock, _intrf) \
MCFG_DEVICE_ADD(_tag, NCR539X, _clock) \
MCFG_DEVICE_CONFIG(_intrf)
class ncr539x_device : public device_t,
public NCR539Xinterface
#define MCFG_NCR539X_OUT_IRQ_CB(_devcb) \
devcb = &ncr539x_device::set_out_irq_callback(*device, DEVCB2_##_devcb);
#define MCFG_NCR539X_OUT_DRQ_CB(_devcb) \
devcb = &ncr539x_device::set_out_drq_callback(*device, DEVCB2_##_devcb);
class ncr539x_device : public device_t
{
public:
// construction/destruction
ncr539x_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
template<class _Object> static devcb2_base &set_out_irq_callback(device_t &device, _Object object) { return downcast<ncr539x_device &>(device).m_out_irq_cb.set_callback(object); }
template<class _Object> static devcb2_base &set_out_drq_callback(device_t &device, _Object object) { return downcast<ncr539x_device &>(device).m_out_drq_cb.set_callback(object); }
// our API
DECLARE_READ8_MEMBER(read);
@ -42,7 +42,6 @@ protected:
// device-level overrides
virtual void device_start();
virtual void device_reset();
virtual void device_config_complete();
virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr);
private:
@ -83,8 +82,8 @@ private:
emu_timer *m_operation_timer;
devcb_resolved_write_line m_out_irq_func;
devcb_resolved_write_line m_out_drq_func;
devcb2_write_line m_out_irq_cb; /* IRQ line */
devcb2_write_line m_out_drq_cb; /* DRQ line */
};
// device type definition

12
src/mess/drivers/mac.c
View File

@ -841,12 +841,6 @@ static const applefdc_interface mac_iwm_interface =
sony_read_status
};
static const struct NCR539Xinterface mac_539x_intf =
{
DEVCB_DRIVER_LINE_MEMBER(mac_state, irq_539x_1_w),
DEVCB_DRIVER_LINE_MEMBER(mac_state, drq_539x_1_w)
};
static const struct nbbus_interface nubus_intf =
{
// interrupt lines
@ -1868,8 +1862,10 @@ static MACHINE_CONFIG_START( macqd700, mac_state )
MCFG_SCSIBUS_ADD("scsi")
MCFG_SCSIDEV_ADD("scsi:harddisk1", SCSIHD, SCSI_ID_6)
MCFG_SCSIDEV_ADD("scsi:harddisk2", SCSIHD, SCSI_ID_5)
MCFG_NCR539X_ADD(MAC_539X_1_TAG, C7M, mac_539x_intf)
MCFG_DEVICE_ADD(MAC_539X_1_TAG, NCR539X, C7M)
MCFG_NCR539X_OUT_IRQ_CB(DEVWRITELINE(DEVICE_SELF_OWNER, mac_state, irq_539x_1_w))
MCFG_NCR539X_OUT_DRQ_CB(DEVWRITELINE(DEVICE_SELF_OWNER, mac_state, drq_539x_1_w))
/* internal ram */
MCFG_RAM_ADD(RAM_TAG)
MCFG_RAM_DEFAULT_SIZE("4M")