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wgp.c: reduce tagmap lookups (nw)

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This commit is contained in:
Wilbert Pol 2015-08-14 14:37:25 +02:00
parent c9d255b26f
commit 304ab3bbac
2 changed files with 15 additions and 6 deletions
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10
src/mame/drivers/wgp.c
View File

@ -516,12 +516,12 @@ WRITE16_MEMBER(wgp_state::rotate_port_w)
READ16_MEMBER(wgp_state::wgp_adinput_r) READ16_MEMBER(wgp_state::wgp_adinput_r)
{ {
int steer = 0x40; int steer = 0x40;
int fake = ioport(FAKE_PORT_TAG)->read_safe(0x00); int fake = m_fake ? m_fake->read() : 0;
if (!(fake & 0x10)) /* Analogue steer (the real control method) */ if (!(fake & 0x10)) /* Analogue steer (the real control method) */
{ {
/* Reduce span to 0x80 */ /* Reduce span to 0x80 */
steer = (ioport(STEER_PORT_TAG)->read_safe(0x00) * 0x80) / 0x100; steer = ((m_steer ? m_steer->read() : 0) * 0x80) / 0x100;
} }
else /* Digital steer */ else /* Digital steer */
{ {
@ -566,7 +566,7 @@ READ16_MEMBER(wgp_state::wgp_adinput_r)
} }
case 0x05: case 0x05:
return ioport(UNKNOWN_PORT_TAG)->read_safe(0x00); /* unknown */ return m_unknown ? m_unknown->read() : 0; /* unknown */
} }
logerror("CPU #0 PC %06x: warning - read unmapped a/d input offset %06x\n",space.device().safe_pc(),offset); logerror("CPU #0 PC %06x: warning - read unmapped a/d input offset %06x\n",space.device().safe_pc(),offset);
@ -590,7 +590,7 @@ WRITE16_MEMBER(wgp_state::wgp_adinput_w)
WRITE8_MEMBER(wgp_state::sound_bankswitch_w) WRITE8_MEMBER(wgp_state::sound_bankswitch_w)
{ {
membank("z80bank")->set_entry(data & 3); m_z80bank->set_entry(data & 3);
} }
WRITE16_MEMBER(wgp_state::wgp_sound_w) WRITE16_MEMBER(wgp_state::wgp_sound_w)
@ -909,7 +909,7 @@ void wgp_state::machine_reset()
void wgp_state::machine_start() void wgp_state::machine_start()
{ {
membank("z80bank")->configure_entries(0, 4, memregion("audiocpu")->base(), 0x4000); m_z80bank->configure_entries(0, 4, memregion("audiocpu")->base(), 0x4000);
save_item(NAME(m_cpua_ctrl)); save_item(NAME(m_cpua_ctrl));
save_item(NAME(m_port_sel)); save_item(NAME(m_port_sel));

11
src/mame/includes/wgp.h
View File

@ -34,7 +34,12 @@ public:
m_tc0140syt(*this, "tc0140syt"), m_tc0140syt(*this, "tc0140syt"),
m_tc0220ioc(*this, "tc0220ioc"), m_tc0220ioc(*this, "tc0220ioc"),
m_gfxdecode(*this, "gfxdecode"), m_gfxdecode(*this, "gfxdecode"),
m_palette(*this, "palette") { } m_palette(*this, "palette"),
m_z80bank(*this, "z80bank"),
m_steer(*this, "STEER"),
m_unknown(*this, "UNKNOWN"),
m_fake(*this, "FAKE")
{ }
/* memory pointers */ /* memory pointers */
required_shared_ptr<UINT16> m_spritemap; required_shared_ptr<UINT16> m_spritemap;
@ -66,6 +71,10 @@ public:
required_device<tc0220ioc_device> m_tc0220ioc; required_device<tc0220ioc_device> m_tc0220ioc;
required_device<gfxdecode_device> m_gfxdecode; required_device<gfxdecode_device> m_gfxdecode;
required_device<palette_device> m_palette; required_device<palette_device> m_palette;
required_memory_bank m_z80bank;
optional_ioport m_steer;
optional_ioport m_unknown;
optional_ioport m_fake;
DECLARE_WRITE16_MEMBER(cpua_ctrl_w); DECLARE_WRITE16_MEMBER(cpua_ctrl_w);
DECLARE_READ16_MEMBER(lan_status_r); DECLARE_READ16_MEMBER(lan_status_r);