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nwk-tr.c: Improved LAN controller emulation [Ville Linde]

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This commit is contained in:
Ville Linde 2012-09-02 21:17:19 +00:00
parent 48500854ab
commit 65d5448f20
1 changed files with 51 additions and 28 deletions
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79
src/mame/drivers/nwk-tr.c
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@ -236,6 +236,7 @@ public:
UINT8 m_led_reg0;
UINT8 m_led_reg1;
required_shared_ptr<UINT32> m_work_ram;
emu_timer *m_sound_irq_timer;
int m_fpga_uploaded;
int m_lanc2_ram_r;
int m_lanc2_ram_w;
@ -354,13 +355,11 @@ WRITE32_MEMBER(nwktr_state::sysreg_w)
if (ACCESSING_BITS_0_7)
{
if (data & 0x80) // CG Board 1 IRQ Ack
{
//cputag_set_input_line(machine(), "maincpu", INPUT_LINE_IRQ1, CLEAR_LINE);
}
cputag_set_input_line(machine(), "maincpu", INPUT_LINE_IRQ1, CLEAR_LINE);
if (data & 0x40) // CG Board 0 IRQ Ack
{
//cputag_set_input_line(machine(), "maincpu", INPUT_LINE_IRQ0, CLEAR_LINE);
}
cputag_set_input_line(machine(), "maincpu", INPUT_LINE_IRQ0, CLEAR_LINE);
//set_cgboard_id((data >> 4) & 3);
}
return;
}
@ -454,6 +453,15 @@ WRITE32_MEMBER(nwktr_state::lanc2_w)
//printf("lanc2_fpga_w: %02X at %08X\n", value, cpu_get_pc(&space.device()));
}
else if (ACCESSING_BITS_8_15)
{
m_lanc2_ram_r = 0;
m_lanc2_ram_w = 0;
}
else if (ACCESSING_BITS_16_23)
{
m_lanc2_ram[2] = (data >> 20) & 0xf;
}
else if (ACCESSING_BITS_0_7)
{
m_lanc2_ram[m_lanc2_ram_w & 0x7fff] = data & 0xff;
@ -466,17 +474,26 @@ WRITE32_MEMBER(nwktr_state::lanc2_w)
}
if (offset == 4)
{
// TODO: check if these should be transferred via PPC DMA.
if (mame_stricmp(machine().system().name, "thrilld") == 0)
{
m_work_ram[(0x3ffed0/4) + 0] = 0x472a3731;
m_work_ram[(0x3ffed0/4) + 1] = 0x33202020;
m_work_ram[(0x3ffed0/4) + 2] = 0x2d2d2a2a;
m_work_ram[(0x3ffed0/4) + 3] = 0x2a207878;
m_work_ram[(0x3ffed0/4) + 0] = 0x472a3731; // G*71
m_work_ram[(0x3ffed0/4) + 1] = 0x33202020; // 3
m_work_ram[(0x3ffed0/4) + 2] = 0x2d2d2a2a; // --**
m_work_ram[(0x3ffed0/4) + 3] = 0x2a207878; // *
m_work_ram[(0x3fff40/4) + 0] = 0x47433731;
m_work_ram[(0x3fff40/4) + 1] = 0x33000000;
m_work_ram[(0x3fff40/4) + 2] = 0x19994a41;
m_work_ram[(0x3fff40/4) + 3] = 0x4100a9b1;
m_work_ram[(0x3fff40/4) + 0] = 0x47433731; // GC71
m_work_ram[(0x3fff40/4) + 1] = 0x33000000; // 3
m_work_ram[(0x3fff40/4) + 2] = 0x19994a41; // JA
m_work_ram[(0x3fff40/4) + 3] = 0x4100a9b1; // A
}
else if (mame_stricmp(machine().system().name, "racingj2") == 0)
{
m_work_ram[(0x3ffc80/4) + 0] = 0x47453838; // GE88
m_work_ram[(0x3ffc80/4) + 1] = 0x38003030; // 8 00
m_work_ram[(0x3ffc80/4) + 2] = 0x39374541; // 97EA
m_work_ram[(0x3ffc80/4) + 3] = 0x410058da; // A
}
}
@ -485,6 +502,11 @@ WRITE32_MEMBER(nwktr_state::lanc2_w)
/*****************************************************************************/
static TIMER_CALLBACK( irq_off )
{
cputag_set_input_line(machine, "audiocpu", param, CLEAR_LINE);
}
static MACHINE_START( nwktr )
{
nwktr_state *state = machine.driver_data<nwktr_state>();
@ -493,6 +515,8 @@ static MACHINE_START( nwktr )
/* configure fast RAM regions for DRC */
ppcdrc_add_fastram(machine.device("maincpu"), 0x00000000, 0x003fffff, FALSE, state->m_work_ram);
state->m_sound_irq_timer = machine.scheduler().timer_alloc(FUNC(irq_off));
}
static ADDRESS_MAP_START( nwktr_map, AS_PROGRAM, 32, nwktr_state )
@ -602,16 +626,16 @@ static INPUT_PORTS_START( nwktr )
PORT_BIT( 0xfff, 0x800, IPT_PADDLE ) PORT_MINMAX(0x000, 0xfff) PORT_SENSITIVITY(35) PORT_KEYDELTA(5)
PORT_START("ANALOG2") // Acceleration pedal
PORT_BIT( 0x7ff, 0x000, IPT_PEDAL ) PORT_MINMAX(0x000, 0x7ff) PORT_SENSITIVITY(35) PORT_KEYDELTA(5)
PORT_BIT( 0xfff, 0x000, IPT_PEDAL ) PORT_MINMAX(0x000, 0xfff) PORT_SENSITIVITY(35) PORT_KEYDELTA(5)
PORT_START("ANALOG3") // Foot brake pedal
PORT_BIT( 0x7ff, 0x000, IPT_PEDAL2 ) PORT_MINMAX(0x000, 0x7ff) PORT_SENSITIVITY(35) PORT_KEYDELTA(5)
PORT_BIT( 0xfff, 0x000, IPT_PEDAL2 ) PORT_MINMAX(0x000, 0xfff) PORT_SENSITIVITY(35) PORT_KEYDELTA(5)
PORT_START("ANALOG4") // Hand brake lever
PORT_BIT( 0x7ff, 0x000, IPT_AD_STICK_Y ) PORT_MINMAX(0x000, 0x7ff) PORT_SENSITIVITY(35) PORT_KEYDELTA(5)
PORT_BIT( 0xfff, 0x000, IPT_AD_STICK_Y ) PORT_MINMAX(0x000, 0xfff) PORT_SENSITIVITY(35) PORT_KEYDELTA(5)
PORT_START("ANALOG5") // Clutch pedal
PORT_BIT( 0x7ff, 0x000, IPT_PEDAL3 ) PORT_MINMAX(0x000, 0x7ff) PORT_SENSITIVITY(35) PORT_KEYDELTA(5)
PORT_BIT( 0xfff, 0x000, IPT_PEDAL3 ) PORT_MINMAX(0x000, 0xfff) PORT_SENSITIVITY(35) PORT_KEYDELTA(5)
INPUT_PORTS_END
@ -626,14 +650,14 @@ static double adc12138_input_callback( device_t *device, UINT8 input )
int value = 0;
switch (input)
{
case 0: value = device->machine().root_device().ioport("ANALOG1")->read() - 0x800; break;
case 0: value = device->machine().root_device().ioport("ANALOG1")->read(); break;
case 1: value = device->machine().root_device().ioport("ANALOG2")->read(); break;
case 2: value = device->machine().root_device().ioport("ANALOG3")->read(); break;
case 3: value = device->machine().root_device().ioport("ANALOG4")->read(); break;
case 4: value = device->machine().root_device().ioport("ANALOG5")->read(); break;
}
return (double)(value) / 2047.0;
return (double)(value) / 4095.0;
}
static const adc12138_interface nwktr_adc_interface = {
@ -642,10 +666,11 @@ static const adc12138_interface nwktr_adc_interface = {
static void sound_irq_callback(running_machine &machine, int irq)
{
if (irq == 0)
generic_pulse_irq_line(machine.device("audiocpu"), INPUT_LINE_IRQ1, 1);
else
generic_pulse_irq_line(machine.device("audiocpu"), INPUT_LINE_IRQ2, 1);
nwktr_state *state = machine.driver_data<nwktr_state>();
int line = (irq == 0) ? INPUT_LINE_IRQ1 : INPUT_LINE_IRQ2;
cputag_set_input_line(machine, "audiocpu", line, ASSERT_LINE);
state->m_sound_irq_timer->adjust(attotime::from_usec(5), line);
}
static const k056800_interface nwktr_k056800_interface =
@ -701,7 +726,7 @@ static MACHINE_CONFIG_START( nwktr, nwktr_state )
MCFG_CPU_CONFIG(sharc_cfg)
MCFG_CPU_DATA_MAP(sharc_map)
MCFG_QUANTUM_TIME(attotime::from_hz(6000))
MCFG_QUANTUM_TIME(attotime::from_hz(9000))
MCFG_MACHINE_START(nwktr)
MCFG_MACHINE_RESET(nwktr)
@ -740,10 +765,9 @@ static MACHINE_CONFIG_DERIVED( thrilld, nwktr )
MCFG_K001604_ADD("k001604", thrilld_k001604_intf)
MACHINE_CONFIG_END
/*****************************************************************************/
DRIVER_INIT_MEMBER(nwktr_state,nwktr)
DRIVER_INIT_MEMBER(nwktr_state, nwktr)
{
init_konami_cgboard(machine(), 1, CGBOARD_TYPE_NWKTR);
set_cgboard_texture_bank(machine(), 0, "bank5", memregion("user5")->base());
@ -754,7 +778,6 @@ DRIVER_INIT_MEMBER(nwktr_state,nwktr)
lanc2_init(machine());
}
/*****************************************************************************/
ROM_START(racingj)