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spyhunt, turbotag: Add ADC

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This commit is contained in:
AJR 2022-07-30 19:50:26 -04:00
parent c3c98fbe72
commit 6ab64e8c8e
2 changed files with 34 additions and 9 deletions
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36
src/mame/midway/mcr3.cpp
View File

@ -107,6 +107,7 @@
#include "mcr3.h"
#include "machine/nvram.h"
#include "machine/rescap.h"
#include "speaker.h"
@ -396,7 +397,7 @@ uint8_t mcrsc_csd_state::spyhunt_ip1_r()
uint8_t mcrsc_csd_state::spyhunt_ip2_r()
{
/* multiplexed steering wheel/gas pedal */
return ioport(m_input_mux ? "ssio:IP2.ALT" : "ssio:IP2")->read();
return m_analog_inputs[m_input_mux]->read();
}
@ -406,7 +407,9 @@ void mcrsc_csd_state::spyhunt_op4_w(uint8_t data)
/* (and for toggling the lamps and muxing the analog inputs) */
/* mux select is in bit 7 */
m_input_mux = (data >> 7) & 1;
m_input_mux = BIT(data, 7);
m_adc->rd_w(BIT(data, 6));
m_adc->wr_w(BIT(data, 6));
/*
Lamp Driver:
@ -445,9 +448,9 @@ uint8_t mcrsc_csd_state::turbotag_ip2_r()
{
/* multiplexed steering wheel/gas pedal */
if (m_input_mux)
return ioport("ssio:IP2.ALT")->read();
return m_analog_inputs[1]->read();
return ioport("ssio:IP2")->read() + 5 * (m_screen->frame_number() & 1);
return m_analog_inputs[0]->read() + 5 * (m_screen->frame_number() & 1);
}
@ -1198,6 +1201,21 @@ void mcrsc_csd_state::mcrsc_csd(machine_config &config)
m_lamplatch->q_out_cb<5>().set_output("lamp5");
m_lamplatch->q_out_cb<6>().set_output("lamp6");
m_lamplatch->q_out_cb<7>().set_output("lamp7");
ADC0804(config, m_adc, RES_K(10), CAP_P(150)); // U2 on Absolute Position Board
m_adc->set_rd_mode(adc0804_device::RD_BITBANGED);
}
void mcrsc_csd_state::spyhunt(machine_config &config)
{
mcrsc_csd(config);
m_adc->vin_callback().set(FUNC(mcrsc_csd_state::spyhunt_ip2_r));
}
void mcrsc_csd_state::turbotag(machine_config &config)
{
mcrsc_csd(config);
m_adc->vin_callback().set(FUNC(mcrsc_csd_state::turbotag_ip2_r));
}
@ -1627,7 +1645,7 @@ void mcrsc_csd_state::init_spyhunt()
{
mcr_common_init();
m_ssio->set_custom_input(1, 0x60, *this, FUNC(mcrsc_csd_state::spyhunt_ip1_r));
m_ssio->set_custom_input(2, 0xff, *this, FUNC(mcrsc_csd_state::spyhunt_ip2_r));
m_ssio->set_custom_input(2, 0xff, *m_adc, FUNC(adc0804_device::read));
m_ssio->set_custom_output(4, 0xff, *this, FUNC(mcrsc_csd_state::spyhunt_op4_w));
m_spyhunt_sprite_color_mask = 0x00;
@ -1649,7 +1667,7 @@ void mcrsc_csd_state::init_turbotag()
{
mcr_common_init();
m_ssio->set_custom_input(1, 0x60, *this, FUNC(mcrsc_csd_state::spyhunt_ip1_r));
m_ssio->set_custom_input(2, 0xff, *this, FUNC(mcrsc_csd_state::turbotag_ip2_r));
m_ssio->set_custom_input(2, 0xff, *m_adc, FUNC(adc0804_device::read));
m_ssio->set_custom_output(4, 0xff, *this, FUNC(mcrsc_csd_state::spyhunt_op4_w));
m_spyhunt_sprite_color_mask = 0x00;
@ -1680,7 +1698,7 @@ GAME( 1986, powerdrv, 0, mono_sg, powerdrv, mcr3_state, init_powerdrv,
GAME( 1987, stargrds, 0, mono_sg, stargrds, mcr3_state, init_stargrds, ROT0, "Bally Midway", "Star Guards", MACHINE_SUPPORTS_SAVE )
/* MCR scrolling games */
GAMEL( 1983, spyhunt, 0, mcrsc_csd, spyhunt, mcrsc_csd_state, init_spyhunt, ROT90, "Bally Midway", "Spy Hunter", MACHINE_SUPPORTS_SAVE, layout_spyhunt )
GAMEL( 1983, spyhuntp, spyhunt, mcrsc_csd, spyhunt, mcrsc_csd_state, init_spyhunt, ROT90, "Bally Midway (Playtronic license)", "Spy Hunter (Playtronic license)", MACHINE_SUPPORTS_SAVE, layout_spyhunt )
GAMEL( 1983, spyhunt, 0, spyhunt, spyhunt, mcrsc_csd_state, init_spyhunt, ROT90, "Bally Midway", "Spy Hunter", MACHINE_SUPPORTS_SAVE, layout_spyhunt )
GAMEL( 1983, spyhuntp, spyhunt, spyhunt, spyhunt, mcrsc_csd_state, init_spyhunt, ROT90, "Bally Midway (Playtronic license)", "Spy Hunter (Playtronic license)", MACHINE_SUPPORTS_SAVE, layout_spyhunt )
GAME( 1984, crater, 0, mcrscroll, crater, mcr3_state, init_crater, ORIENTATION_FLIP_X, "Bally Midway", "Crater Raider", MACHINE_SUPPORTS_SAVE )
GAMEL( 1985, turbotag, 0, mcrsc_csd, turbotag, mcrsc_csd_state, init_turbotag, ROT90, "Bally Midway", "Turbo Tag (prototype)", MACHINE_SUPPORTS_SAVE, layout_turbotag )
GAMEL( 1985, turbotag, 0, turbotag, turbotag, mcrsc_csd_state, init_turbotag, ROT90, "Bally Midway", "Turbo Tag (prototype)", MACHINE_SUPPORTS_SAVE, layout_turbotag )

7
src/mame/midway/mcr3.h
View File

@ -13,6 +13,7 @@
#include "mcr.h"
#include "machine/74259.h"
#include "machine/adc0804.h"
#include "machine/adc0844.h"
#include "screen.h"
@ -124,10 +125,14 @@ class mcrsc_csd_state : public mcr3_state
public:
mcrsc_csd_state(const machine_config &mconfig, device_type type, const char *tag)
: mcr3_state(mconfig, type, tag)
, m_adc(*this, "adc")
, m_lamplatch(*this, "lamplatch")
, m_analog_inputs(*this, {"ssio:IP2", "ssio:IP2.ALT"})
{ }
void mcrsc_csd(machine_config &config);
void spyhunt(machine_config &config);
void turbotag(machine_config &config);
void init_spyhunt();
void init_turbotag();
@ -139,7 +144,9 @@ private:
uint8_t turbotag_ip2_r();
uint8_t turbotag_kludge_r();
required_device<adc0804_device> m_adc;
optional_device<cd4099_device> m_lamplatch;
required_ioport_array<2> m_analog_inputs;
};
#endif // MAME_INCLUDES_MCR3_H