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Reduced tagmap lookups in bigbord2.c (nw)

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This commit is contained in:
Ivan Vangelista 2014-02-24 21:08:19 +00:00
parent ea1fd654f4
commit 331e399aa8
1 changed files with 19 additions and 11 deletions
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30
src/mess/drivers/bigbord2.c
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@ -112,7 +112,11 @@ public:
m_fdc(*this, "fdc"),
m_floppy0(*this, "fdc:0"),
m_floppy1(*this, "fdc:1"),
m_beeper(*this, "beeper")
m_beeper(*this, "beeper"),
m_dsw(*this, "DSW"),
m_bankr(*this, "bankr"),
m_bankv(*this, "bankv"),
m_banka(*this, "banka")
{
}
@ -156,6 +160,10 @@ private:
required_device<floppy_connector> m_floppy0;
required_device<floppy_connector> m_floppy1;
required_device<beep_device> m_beeper;
required_ioport m_dsw;
required_memory_bank m_bankr;
required_memory_bank m_bankv;
required_memory_bank m_banka;
};
/* Status port
@ -170,7 +178,7 @@ private:
READ8_MEMBER( bigbord2_state::portc4_r )
{
UINT8 ret = m_term_status | 3 | (m_c8[6]<<2) | ioport("DSW")->read();
UINT8 ret = m_term_status | 3 | (m_c8[6]<<2) | m_dsw->read();
m_term_status = 0;
return ret;
}
@ -281,9 +289,9 @@ WRITE8_MEMBER( bigbord2_state::portc8_w )
{
case 0:
// memory bank
membank("bankr")->set_entry(m_c8[0]);
membank("bankv")->set_entry(m_c8[0]);
membank("banka")->set_entry(m_c8[0]);
m_bankr->set_entry(m_c8[0]);
m_bankv->set_entry(m_c8[0]);
m_banka->set_entry(m_c8[0]);
break;
case 1:
// side select
@ -544,9 +552,9 @@ void bigbord2_state::machine_reset()
m_c8[i] = 0;
m_beeper->set_state(0);
m_beeper->set_frequency(950); // actual frequency is unknown
membank("bankr")->set_entry(0);
membank("bankv")->set_entry(0);
membank("banka")->set_entry(0);
m_bankr->set_entry(0);
m_bankv->set_entry(0);
m_banka->set_entry(0);
}
DRIVER_INIT_MEMBER(bigbord2_state,bigbord2)
@ -554,9 +562,9 @@ DRIVER_INIT_MEMBER(bigbord2_state,bigbord2)
m_mem = &m_maincpu->space(AS_PROGRAM);
m_io = &m_maincpu->space(AS_IO);
UINT8 *RAM = memregion(Z80_TAG)->base();
membank("bankr")->configure_entries(0, 2, &RAM[0x0000], 0x10000);
membank("bankv")->configure_entries(0, 2, &RAM[0x6000], 0x10000);
membank("banka")->configure_entries(0, 2, &RAM[0x7000], 0x10000);
m_bankr->configure_entries(0, 2, &RAM[0x0000], 0x10000);
m_bankv->configure_entries(0, 2, &RAM[0x6000], 0x10000);
m_banka->configure_entries(0, 2, &RAM[0x7000], 0x10000);
m_fdc->setup_intrq_cb(mb8877_t::line_cb(FUNC(bigbord2_state::fdc_intrq_w), this));
m_fdc->setup_drq_cb(mb8877_t::line_cb(FUNC(bigbord2_state::fdc_drq_w), this));
}