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superchs: Use ADC0808 device

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This commit is contained in:
Dirk Best 2018-04-02 11:56:32 +02:00
parent 857201e210
commit d3021ffec4
2 changed files with 24 additions and 29 deletions
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33
src/mame/drivers/superchs.cpp
View File

@ -46,6 +46,7 @@
#include "machine/taitoio.h"
#include "cpu/m68000/m68000.h"
#include "machine/adc0808.h"
#include "machine/eepromser.h"
#include "sound/es5506.h"
#include "screen.h"
@ -90,7 +91,6 @@ WRITE32_MEMBER(superchs_state::cpua_ctrl_w)
if (ACCESSING_BITS_8_15)
{
m_subcpu->set_input_line(INPUT_LINE_RESET, (data &0x200) ? CLEAR_LINE : ASSERT_LINE);
if (data&0x8000) m_maincpu->set_input_line(3, HOLD_LINE); /* Guess */
}
if (ACCESSING_BITS_0_7)
@ -107,24 +107,11 @@ WRITE8_MEMBER(superchs_state::coin_word_w)
machine().bookkeeping().coin_counter_w(1, data & 0x08);
}
READ32_MEMBER(superchs_state::superchs_stick_r)
READ8_MEMBER( superchs_state::volume_r )
{
uint8_t b0 = ioport("UNKNOWN")->read();
uint8_t b1 = ((ioport("SOUND")->read() * 255) / 100) ^ 0xff; // 00 = full, ff = silent
uint8_t b2 = ioport("ACCEL")->read() ^ 0xff;
uint8_t b3 = ioport("WHEEL")->read();
return b3 << 24 | b2 << 16 | b1 << 8 | b0;
return ((m_volume->read() * 255) / 100) ^ 0xff; // 00 = full, ff = silent
}
WRITE32_MEMBER(superchs_state::superchs_stick_w)
{
/* This is guess work - the interrupts are in groups of 4, with each writing to a
different byte in this long word before the RTE. I assume all but the last
(top) byte cause an IRQ with the final one being an ACK. (Total guess but it works). */
if (mem_mask != 0xff000000)
m_maincpu->set_input_line(3, HOLD_LINE);
}
/***********************************************************
MEMORY STRUCTURES
@ -142,7 +129,7 @@ void superchs_state::superchs_map(address_map &map)
map(0x280000, 0x287fff).ram().w(m_palette, FUNC(palette_device::write32)).share("palette");
map(0x2c0000, 0x2c07ff).rw("taito_en:dpram", FUNC(mb8421_device::left_r), FUNC(mb8421_device::left_w));
map(0x300000, 0x300007).rw("tc0510nio", FUNC(tc0510nio_device::read), FUNC(tc0510nio_device::write));
map(0x340000, 0x340003).rw(this, FUNC(superchs_state::superchs_stick_r), FUNC(superchs_state::superchs_stick_w)); /* stick int request */
map(0x340000, 0x340007).rw("adc", FUNC(adc0808_device::data_r), FUNC(adc0808_device::address_offset_start_w)).umask32(0xffffffff);
}
void superchs_state::superchs_cpub_map(address_map &map)
@ -189,18 +176,14 @@ static INPUT_PORTS_START( superchs )
PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_NAME("Brake Switch") /* upright doesn't have brake? */
PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_START1 )
// 4 analog ports
PORT_START("WHEEL")
PORT_BIT( 0xff, 0x80, IPT_PADDLE ) PORT_SENSITIVITY(100) PORT_KEYDELTA(4) PORT_REVERSE PORT_NAME("Steering Wheel")
PORT_START("ACCEL")
PORT_BIT( 0xff, 0x00, IPT_PEDAL ) PORT_SENSITIVITY(100) PORT_KEYDELTA(15) PORT_NAME("Gas Pedal") /* in upright cab, it is a digital (1 bit) switch instead */
PORT_BIT( 0xff, 0x00, IPT_PEDAL ) PORT_SENSITIVITY(100) PORT_KEYDELTA(15) PORT_REVERSE PORT_NAME("Gas Pedal") /* in upright cab, it is a digital (1 bit) switch instead */
PORT_START("SOUND")
PORT_ADJUSTER( 75, "PCB - Sound Volume" )
PORT_START("UNKNOWN") // unused?
PORT_BIT( 0xff, IP_ACTIVE_LOW, IPT_UNKNOWN )
INPUT_PORTS_END
/***********************************************************
@ -255,6 +238,12 @@ MACHINE_CONFIG_START(superchs_state::superchs)
MCFG_EEPROM_SERIAL_93C46_ADD("eeprom")
MCFG_DEVICE_ADD("adc", ADC0809, 500000) // unknown clock
MCFG_ADC0808_EOC_FF_CB(INPUTLINE("maincpu", 3))
MCFG_ADC0808_IN0_CB(IOPORT("WHEEL"))
MCFG_ADC0808_IN1_CB(IOPORT("ACCEL"))
MCFG_ADC0808_IN2_CB(READ8(superchs_state, volume_r))
MCFG_DEVICE_ADD("tc0510nio", TC0510NIO, 0)
MCFG_TC0510NIO_READ_1_CB(IOPORT("COINS"))
MCFG_TC0510NIO_READ_2_CB(IOPORT("SWITCHES"))

20
src/mame/includes/superchs.h
View File

@ -27,8 +27,18 @@ public:
m_tc0480scp(*this, "tc0480scp"),
m_eeprom(*this, "eeprom"),
m_gfxdecode(*this, "gfxdecode"),
m_palette(*this, "palette") { }
m_palette(*this, "palette"),
m_volume(*this, "SOUND")
{ }
void superchs(machine_config &config);
void chase3(machine_config &config);
DECLARE_DRIVER_INIT(superchs);
protected:
virtual void video_start() override;
private:
required_shared_ptr<uint32_t> m_ram;
required_shared_ptr<uint32_t> m_spriteram;
required_shared_ptr<uint32_t> m_shared_ram;
@ -40,12 +50,9 @@ public:
DECLARE_WRITE16_MEMBER(shared_ram_w);
DECLARE_WRITE32_MEMBER(cpua_ctrl_w);
DECLARE_WRITE8_MEMBER(coin_word_w);
DECLARE_READ32_MEMBER(superchs_stick_r);
DECLARE_WRITE32_MEMBER(superchs_stick_w);
DECLARE_READ8_MEMBER(volume_r);
DECLARE_READ32_MEMBER(main_cycle_r);
DECLARE_READ16_MEMBER(sub_cycle_r);
DECLARE_DRIVER_INIT(superchs);
virtual void video_start() override;
uint32_t screen_update_superchs(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
void draw_sprites(screen_device &screen, bitmap_ind16 &bitmap,const rectangle &cliprect,const int *primasks,int x_offs,int y_offs);
required_device<cpu_device> m_maincpu;
@ -54,8 +61,7 @@ public:
required_device<eeprom_serial_93cxx_device> m_eeprom;
required_device<gfxdecode_device> m_gfxdecode;
required_device<palette_device> m_palette;
void superchs(machine_config &config);
void chase3(machine_config &config);
required_ioport m_volume;
void chase3_cpub_map(address_map &map);
void superchs_cpub_map(address_map &map);
void superchs_map(address_map &map);