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Tweak timers in sun4, nw

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This commit is contained in:
therealmogminer@gmail.com 2016-07-15 17:40:43 +02:00
parent ef6152c401
commit 9d73e08f76
1 changed files with 28 additions and 7 deletions
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35
src/mame/drivers/sun4.cpp
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@ -434,6 +434,7 @@
#define RS232A_TAG "rs232a"
#define RS232B_TAG "rs232b"
#define FDC_TAG "fdc"
#define SCSI_TAG "ncr5390"
#define ENA_NOTBOOT (0x80)
#define ENA_SDVMA (0x20)
@ -1396,7 +1397,7 @@ void sun4_state::device_timer(emu_timer &timer, device_timer_id id, int param, v
if ((m_irq_reg & 0x21) == 0x21)
{
m_maincpu->set_input_line(SPARC_IRQ10, ASSERT_LINE);
printf("Taking INT10\n");
//printf("Taking INT10\n");
}
break;
@ -1422,11 +1423,11 @@ READ32_MEMBER( sun4_state::timer_r )
// reading limt 0
if (offset == 0)
{
printf("Read timer counter 0 (%08x) @ %x, mask %08x\n", ret, m_maincpu->pc(), mem_mask);
//printf("Read timer counter 0 (%08x) @ %x, mask %08x\n", ret, m_maincpu->pc(), mem_mask);
}
if (offset == 1)
{
printf("Read timer limit 0 (%08x) @ %x, mask %08x\n", ret, m_maincpu->pc(), mem_mask);
//printf("Read timer limit 0 (%08x) @ %x, mask %08x\n", ret, m_maincpu->pc(), mem_mask);
m_counter[0] &= ~0x80000000;
m_counter[1] &= ~0x80000000;
m_maincpu->set_input_line(SPARC_IRQ10, CLEAR_LINE);
@ -1434,7 +1435,7 @@ READ32_MEMBER( sun4_state::timer_r )
if (offset == 2)
{
printf("Read timer counter 1 (%08x) @ %x, mask %08x\n", ret, m_maincpu->pc(), mem_mask);
//printf("Read timer counter 1 (%08x) @ %x, mask %08x\n", ret, m_maincpu->pc(), mem_mask);
}
if (offset == 3)
{
@ -1448,9 +1449,7 @@ READ32_MEMBER( sun4_state::timer_r )
void sun4_state::start_timer(int num)
{
int shift = (num == 0 ? 10 : 20);
int mask = (num == 0 ? 0x1fffff : 0x7ff);
int period = (m_counter[num * 2 + 1] >> shift) & mask;
int period = (m_counter[num * 2 + 1] >> 10) & 0x1fffff;
if (period == 0)
period = 0x200000;
@ -1515,6 +1514,18 @@ static SLOT_INTERFACE_START( sun_floppies )
SLOT_INTERFACE( "35hd", FLOPPY_35_HD )
SLOT_INTERFACE_END
//static SLOT_INTERFACE_START( sun_scsi_devices )
//SLOT_INTERFACE("cdrom", NSCSI_CDROM)
//SLOT_INTERFACE("harddisk", NSCSI_HARDDISK)
//SLOT_INTERFACE_INTERNAL("ncr5390", NCR5390)
//SLOT_INTERFACE_END
//static MACHINE_CONFIG_FRAGMENT( ncr5390 )
//MCFG_DEVICE_CLOCK(10000000)
//MCFG_NCR5390_IRQ_HANDLER(DEVWRITELINE(":", next_state, scsi_irq))
//MCFG_NCR5390_DRQ_HANDLER(DEVWRITELINE(":", next_state, scsi_drq))
//MACHINE_CONFIG_END
static MACHINE_CONFIG_START( sun4, sun4_state )
/* basic machine hardware */
MCFG_CPU_ADD("maincpu", MB86901, 16670000)
@ -1558,6 +1569,16 @@ static MACHINE_CONFIG_START( sun4, sun4_state )
MCFG_RS232_RXD_HANDLER(DEVWRITELINE(SCC2_TAG, z80scc_device, rxb_w))
MCFG_RS232_DCD_HANDLER(DEVWRITELINE(SCC2_TAG, z80scc_device, dcdb_w))
MCFG_RS232_CTS_HANDLER(DEVWRITELINE(SCC2_TAG, z80scc_device, ctsb_w))
//MCFG_NSCSI_ADD("scsibus:0", next_scsi_devices, "harddisk", false)
//MCFG_NSCSI_ADD("scsibus:1", next_scsi_devices, "cdrom", false)
//MCFG_NSCSI_ADD("scsibus:2", next_scsi_devices, nullptr, false)
//MCFG_NSCSI_ADD("scsibus:3", next_scsi_devices, nullptr, false)
//MCFG_NSCSI_ADD("scsibus:4", next_scsi_devices, nullptr, false)
//MCFG_NSCSI_ADD("scsibus:5", next_scsi_devices, nullptr, false)
//MCFG_NSCSI_ADD("scsibus:6", next_scsi_devices, nullptr, false)
//MCFG_NSCSI_ADD("scsibus:7", next_scsi_devices, SCSI_TAG, true)
//MCFG_DEVICE_CARD_MACHINE_CONFIG(SCSI_TAG, ncr5390)
MACHINE_CONFIG_END
static MACHINE_CONFIG_START( sun4c, sun4_state )