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othunder: Use ADC0808 device

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Also use MCFG_SCREEN_VBLANK_CALLBACK instead of
MCFG_CPU_VBLANK_INT_DRIVER.
This commit is contained in:
Dirk Best 2018-04-02 11:55:06 +02:00
parent 3f9d74d78e
commit 8bf1fb49a1
2 changed files with 28 additions and 85 deletions
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97
src/mame/drivers/othunder.cpp
View File

@ -282,6 +282,7 @@ TODO:
#include "cpu/m68000/m68000.h"
#include "cpu/z80/z80.h"
#include "machine/adc0808.h"
#include "machine/eepromser.h"
#include "sound/2610intf.h"
#include "sound/flt_vol.h"
@ -293,45 +294,30 @@ TODO:
INTERRUPTS
***********************************************************/
void othunder_state::update_irq()
{
m_maincpu->set_input_line(6, m_ad_irq ? ASSERT_LINE : CLEAR_LINE);
m_maincpu->set_input_line(5, m_vblank_irq ? ASSERT_LINE : CLEAR_LINE);
}
WRITE16_MEMBER(othunder_state::irq_ack_w)
WRITE16_MEMBER( othunder_state::irq_ack_w )
{
switch (offset)
{
case 0:
m_vblank_irq = 0;
m_maincpu->set_input_line(5, CLEAR_LINE);
break;
case 1:
m_ad_irq = 0;
m_maincpu->set_input_line(6, CLEAR_LINE);
break;
}
update_irq();
}
INTERRUPT_GEN_MEMBER(othunder_state::vblank_interrupt)
WRITE_LINE_MEMBER( othunder_state::vblank_w )
{
m_vblank_irq = 1;
update_irq();
if (state)
m_maincpu->set_input_line(5, ASSERT_LINE);
}
void othunder_state::device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr)
WRITE_LINE_MEMBER( othunder_state::adc_eoc_w )
{
switch (id)
{
case TIMER_AD_INTERRUPT:
m_ad_irq = 1;
update_irq();
break;
default:
assert_always(false, "Unknown id in othunder_state::device_timer");
}
if (state)
m_maincpu->set_input_line(6, ASSERT_LINE);
}
@ -376,33 +362,6 @@ WRITE8_MEMBER(othunder_state::coins_w)
}
/**********************************************************
GAME INPUTS
**********************************************************/
#define P1X_PORT_TAG "P1X"
#define P1Y_PORT_TAG "P1Y"
#define P2X_PORT_TAG "P2X"
#define P2Y_PORT_TAG "P2Y"
#define ROTARY_PORT_TAG "ROTARY"
READ16_MEMBER(othunder_state::lightgun_r)
{
static const char *const portname[4] = { P1X_PORT_TAG, P1Y_PORT_TAG, P2X_PORT_TAG, P2Y_PORT_TAG };
return ioport(portname[offset])->read();
}
WRITE16_MEMBER(othunder_state::lightgun_w)
{
/* A write starts the A/D conversion. An interrupt will be triggered when
the conversion is complete.
The ADC60808 clock is 512kHz. Conversion takes between 0 and 8 clock
cycles, so would end in a maximum of 15.625us. We'll use 10. */
m_ad_interrupt_timer->adjust(attotime::from_usec(10));
}
/*****************************************
SOUND
*****************************************/
@ -472,7 +431,7 @@ void othunder_state::othunder_map(address_map &map)
map(0x220000, 0x22000f).rw(m_tc0100scn, FUNC(tc0100scn_device::ctrl_word_r), FUNC(tc0100scn_device::ctrl_word_w));
map(0x300000, 0x300003).rw(this, FUNC(othunder_state::sound_r), FUNC(othunder_state::sound_w));
map(0x400000, 0x4005ff).ram().share("spriteram");
map(0x500000, 0x500007).rw(this, FUNC(othunder_state::lightgun_r), FUNC(othunder_state::lightgun_w));
map(0x500000, 0x500007).rw("adc", FUNC(adc0808_device::data_r), FUNC(adc0808_device::address_offset_start_w)).umask16(0x00ff);
map(0x600000, 0x600003).w(this, FUNC(othunder_state::irq_ack_w));
}
@ -489,7 +448,7 @@ void othunder_state::z80_sound_map(address_map &map)
map(0xe201, 0xe201).rw(m_tc0140syt, FUNC(tc0140syt_device::slave_comm_r), FUNC(tc0140syt_device::slave_comm_w));
map(0xe400, 0xe403).w(this, FUNC(othunder_state::tc0310fam_w)); /* pan */
map(0xe600, 0xe600).nopw(); /* ? */
map(0xea00, 0xea00).portr(ROTARY_PORT_TAG); /* rotary input */
map(0xea00, 0xea00).portr("ROTARY"); /* rotary input */
map(0xee00, 0xee00).nopw(); /* ? */
map(0xf000, 0xf000).nopw(); /* ? */
map(0xf200, 0xf200).w(this, FUNC(othunder_state::sound_bankswitch_w));
@ -560,20 +519,20 @@ static INPUT_PORTS_START( othunder )
enough and being accurate enough not to miss targets. 20 is too
inaccurate, and 10 is too slow. */
PORT_START(P1X_PORT_TAG)
PORT_START("P1X")
PORT_BIT( 0xff, 0x80, IPT_AD_STICK_X ) PORT_CROSSHAIR(X, 1.0, 0.0, 0) PORT_SENSITIVITY(25) PORT_KEYDELTA(13) PORT_REVERSE PORT_PLAYER(1)
PORT_START(P1Y_PORT_TAG)
PORT_START("P1Y")
PORT_BIT( 0xff, 0x80, IPT_AD_STICK_Y ) PORT_CROSSHAIR(Y, 1.0, -0.057, 0) PORT_SENSITIVITY(25) PORT_KEYDELTA(13) PORT_PLAYER(1)
PORT_START(P2X_PORT_TAG)
PORT_START("P2X")
PORT_BIT( 0xff, 0x80, IPT_AD_STICK_X ) PORT_CROSSHAIR(X, 1.0, 0.0, 0) PORT_SENSITIVITY(25) PORT_KEYDELTA(13) PORT_REVERSE PORT_PLAYER(2)
PORT_START(P2Y_PORT_TAG)
PORT_START("P2Y")
PORT_BIT( 0xff, 0x80, IPT_AD_STICK_Y ) PORT_CROSSHAIR(Y, 1.0, -0.057, 0) PORT_SENSITIVITY(25) PORT_KEYDELTA(13) PORT_PLAYER(2)
/* rotary volume control */
PORT_START(ROTARY_PORT_TAG)
PORT_START("ROTARY")
PORT_CONFNAME( 0x07, 0x07, "Stereo Separation" )
PORT_CONFSETTING( 0x07, "Maximum" )
PORT_CONFSETTING( 0x03, DEF_STR( High ) )
@ -642,31 +601,26 @@ void othunder_state::machine_start()
{
membank("z80bank")->configure_entries(0, 4, memregion("audiocpu")->base(), 0x4000);
m_ad_interrupt_timer = timer_alloc(TIMER_AD_INTERRUPT);
save_item(NAME(m_vblank_irq));
save_item(NAME(m_ad_irq));
save_item(NAME(m_pan));
}
void othunder_state::machine_reset()
{
m_vblank_irq = 0;
m_ad_irq = 0;
}
MACHINE_CONFIG_START(othunder_state::othunder)
/* basic machine hardware */
MCFG_CPU_ADD("maincpu", M68000, 24000000/2 ) /* 12 MHz */
MCFG_CPU_ADD("maincpu", M68000, 24_MHz_XTAL/2)
MCFG_CPU_PROGRAM_MAP(othunder_map)
MCFG_CPU_VBLANK_INT_DRIVER("screen", othunder_state, vblank_interrupt)
MCFG_CPU_ADD("audiocpu", Z80,16000000/4 ) /* 4 MHz */
MCFG_CPU_ADD("audiocpu", Z80, 16_MHz_XTAL/2/2)
MCFG_CPU_PROGRAM_MAP(z80_sound_map)
MCFG_EEPROM_SERIAL_93C46_ADD("eeprom")
MCFG_DEVICE_ADD("adc", ADC0808, 16_MHz_XTAL/2/2/8)
MCFG_ADC0808_EOC_CB(WRITELINE(othunder_state, adc_eoc_w))
MCFG_ADC0808_IN0_CB(IOPORT("P1X"))
MCFG_ADC0808_IN1_CB(IOPORT("P1Y"))
MCFG_ADC0808_IN2_CB(IOPORT("P2X"))
MCFG_ADC0808_IN3_CB(IOPORT("P2Y"))
MCFG_DEVICE_ADD("tc0220ioc", TC0220IOC, 0)
MCFG_TC0220IOC_READ_0_CB(IOPORT("DSWA"))
@ -685,6 +639,7 @@ MACHINE_CONFIG_START(othunder_state::othunder)
MCFG_SCREEN_VISIBLE_AREA(0*8, 40*8-1, 2*8, 32*8-1)
MCFG_SCREEN_UPDATE_DRIVER(othunder_state, screen_update)
MCFG_SCREEN_PALETTE("palette")
MCFG_SCREEN_VBLANK_CALLBACK(WRITELINE(othunder_state, vblank_w))
MCFG_GFXDECODE_ADD("gfxdecode", "palette", othunder)
MCFG_PALETTE_ADD("palette", 4096)

16
src/mame/includes/othunder.h
View File

@ -17,11 +17,6 @@
class othunder_state : public driver_device
{
public:
enum
{
TIMER_AD_INTERRUPT
};
othunder_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag),
m_spriteram(*this,"spriteram"),
@ -45,25 +40,21 @@ public:
protected:
virtual void machine_start() override;
virtual void machine_reset() override;
virtual void video_start() override;
virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) override;
private:
void update_irq();
void draw_sprites(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect, const int *primasks, int y_offs);
DECLARE_WRITE16_MEMBER(irq_ack_w);
DECLARE_WRITE8_MEMBER(eeprom_w);
DECLARE_WRITE8_MEMBER(coins_w);
DECLARE_READ16_MEMBER(lightgun_r);
DECLARE_WRITE16_MEMBER(lightgun_w);
DECLARE_WRITE_LINE_MEMBER(adc_eoc_w);
DECLARE_WRITE8_MEMBER(sound_bankswitch_w);
DECLARE_WRITE16_MEMBER(sound_w);
DECLARE_READ16_MEMBER(sound_r);
DECLARE_WRITE8_MEMBER(tc0310fam_w);
uint32_t screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
INTERRUPT_GEN_MEMBER(vblank_interrupt);
DECLARE_WRITE_LINE_MEMBER(vblank_w);
void othunder_map(address_map &map);
void z80_sound_map(address_map &map);
@ -85,10 +76,7 @@ private:
std::unique_ptr<tempsprite[]> m_spritelist;
/* misc */
int m_vblank_irq;
int m_ad_irq;
int m_pan[4];
emu_timer *m_ad_interrupt_timer;
/* devices */
required_device<cpu_device> m_maincpu;