Sprinter/mame
2
0
Fork 0
mirror of https://github.com/holub/mame synced 2025-04-23 00:39:36 +03:00
Code Issues Actions 1 Packages Projects Releases Wiki Activity

missile.c - Tag lookup reduction -nw-

Browse Source
This commit is contained in:
Phil Bennett 2013-01-26 19:43:13 +00:00
parent 6c6d05ea48
commit 40e564c2fd
1 changed files with 29 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

42
src/mame/drivers/missile.c
View File

@ -358,12 +358,31 @@ public:
missile_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag),
m_maincpu(*this,"maincpu"),
m_videoram(*this, "videoram")
m_videoram(*this, "videoram"),
m_pokey(*this, "pokey"),
m_in0(*this, "IN0"),
m_in1(*this, "IN1"),
m_r10(*this, "R10"),
m_r8(*this, "R8"),
m_track0_x(*this, "TRACK0_X"),
m_track0_y(*this, "TRACK0_Y"),
m_track1_x(*this, "TRACK1_X"),
m_track1_y(*this, "TRACK1_Y")
{ }
required_device<m6502_device> m_maincpu;
required_shared_ptr<UINT8> m_videoram;
required_device<pokey_device> m_pokey;
required_ioport m_in0;
required_ioport m_in1;
required_ioport m_r10;
required_ioport m_r8;
required_ioport m_track0_x;
required_ioport m_track0_y;
required_ioport m_track1_x;
required_ioport m_track1_y;
const UINT8 *m_mainrom;
const UINT8 *m_writeprom;
emu_timer *m_irq_timer;
emu_timer *m_cpu_timer;
@ -494,6 +513,7 @@ TIMER_CALLBACK_MEMBER(missile_state::adjust_cpu_speed)
void missile_state::machine_start()
{
/* initialize globals */
m_mainrom = memregion("maincpu")->base();
m_writeprom = memregion("proms")->base();
m_flipscreen = 0;
@ -696,8 +716,7 @@ WRITE8_MEMBER(missile_state::missile_w)
/* POKEY */
else if (offset < 0x4800)
{
pokey_device *pokey_dev = downcast<pokey_device *>(machine().device("pokey"));
pokey_dev->write(machine().firstcpu->space(), offset, data, 0xff);
m_pokey->write(m_maincpu->space(), offset, data, 0xff);
}
/* OUT0 */
@ -754,14 +773,11 @@ READ8_MEMBER(missile_state::missile_r)
/* ROM */
else if (offset >= 0x5000)
result = memregion("maincpu")->base()[offset];
result = m_mainrom[offset];
/* POKEY */
else if (offset < 0x4800)
{
pokey_device *pokey_dev = downcast<pokey_device *>(machine().device("pokey"));
result = pokey_dev->read(machine().firstcpu->space(), offset & 0x0f, 0xff);
}
result = m_pokey->read(m_maincpu->space(), offset & 0x0f, 0xff);
/* IN0 */
else if (offset < 0x4900)
@ -769,21 +785,21 @@ READ8_MEMBER(missile_state::missile_r)
if (m_ctrld) /* trackball */
{
if (!m_flipscreen)
result = ((ioport("TRACK0_Y")->read() << 4) & 0xf0) | (ioport("TRACK0_X")->read() & 0x0f);
result = ((m_track0_y->read() << 4) & 0xf0) | (m_track0_x->read() & 0x0f);
else
result = ((ioport("TRACK1_Y")->read() << 4) & 0xf0) | (ioport("TRACK1_X")->read() & 0x0f);
result = ((m_track1_y->read() << 4) & 0xf0) | (m_track1_x->read() & 0x0f);
}
else /* buttons */
result = ioport("IN0")->read();
result = m_in0->read();
}
/* IN1 */
else if (offset < 0x4a00)
result = ioport("IN1")->read();
result = m_in1->read();
/* IN2 */
else if (offset < 0x4b00)
result = ioport("R10")->read();
result = m_r10->read();
/* anything else */
else