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buggychl.cpp: fix compile, converted accelerator to analog, proper sound irq frequency (nw)

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This commit is contained in:
angelosa 2017-09-21 02:38:31 +02:00
parent 6a61136c45
commit b39a098e23
2 changed files with 34 additions and 21 deletions
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25
src/mame/drivers/buggychl.cpp
View File

@ -250,6 +250,13 @@ ADDRESS_MAP_END
/******************************************************************************/
// accelerator is 4-bit, we need to convert it here so that it doesn't clash with other inputs in IN1 (known i/o framework fault)
CUSTOM_INPUT_MEMBER( buggychl_state::pedal_in_r )
{
return m_pedal_input->read() >> 4;
}
static INPUT_PORTS_START( buggychl )
PORT_START("DSW1")
PORT_DIPNAME( 0x03, 0x03, "Game Over Bonus" ) PORT_DIPLOCATION("SW1:1,2") /* Arks/Flags/Fuel */
@ -311,11 +318,11 @@ static INPUT_PORTS_START( buggychl )
PORT_DIPNAME( 0x01, 0x01, "Start button needed" ) PORT_DIPLOCATION("SW3:1")
PORT_DIPSETTING( 0x00, DEF_STR( No ) )
PORT_DIPSETTING( 0x01, DEF_STR( Yes ) )
PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_UNUSED ) /* Only listed as OFF in the manual */
PORT_DIPUNUSED_DIPLOC( 0x02, 0x02, "SW3:2" ) /* Only listed as OFF in the manual */
PORT_DIPNAME( 0x04, 0x04, "Fuel loss (Cheat)") PORT_DIPLOCATION("SW3:3")
PORT_DIPSETTING( 0x04, DEF_STR( Normal ) )
PORT_DIPSETTING( 0x00, "Crash only" )
PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_UNUSED ) /* Only listed as OFF in the manual */
PORT_DIPUNUSED_DIPLOC( 0x08, 0x08, "SW3:4" ) /* Only listed as OFF in the manual */
PORT_DIPNAME( 0x10, 0x10, "Coinage Display" ) PORT_DIPLOCATION("SW3:5")
PORT_DIPSETTING( 0x00, DEF_STR( No ) )
PORT_DIPSETTING( 0x10, DEF_STR( Yes ) )
@ -333,7 +340,7 @@ static INPUT_PORTS_START( buggychl )
PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_START1 )
PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_UNKNOWN )
PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_UNKNOWN )
PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_BUTTON2 ) /* shift */
PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_BUTTON1 ) PORT_TOGGLE PORT_NAME("P1 Gear Shift") /* shift */
PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_SERVICE ) PORT_NAME("Test Button") PORT_CODE(KEYCODE_F1)
PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_UNKNOWN )
PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_UNKNOWN )
@ -344,7 +351,10 @@ static INPUT_PORTS_START( buggychl )
PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_COIN2 )
PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_SERVICE1 )
PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_TILT )
PORT_BIT( 0xf0, IP_ACTIVE_HIGH, IPT_BUTTON1 ) /* accelerator */
PORT_BIT( 0xf0, IP_ACTIVE_HIGH, IPT_SPECIAL ) PORT_CUSTOM_MEMBER(DEVICE_SELF, buggychl_state, pedal_in_r, nullptr)
PORT_START("PEDAL")
PORT_BIT( 0xff, 0x00, IPT_PEDAL ) PORT_MINMAX(0x00, 0xff) PORT_NAME("P1 Pedal") PORT_SENSITIVITY(100) PORT_KEYDELTA(15) /* accelerator */
PORT_START("WHEEL") /* wheel */
PORT_BIT( 0xff, 0x00, IPT_DIAL ) PORT_SENSITIVITY(30) PORT_KEYDELTA(15) PORT_REVERSE
@ -406,10 +416,9 @@ void buggychl_state::machine_start()
membank("bank1")->configure_entries(0, 6, &ROM[0x10000], 0x2000);
save_item(NAME(m_sprite_lookup));
save_item(NAME(m_sl_bank));
save_item(NAME(m_bg_on));
save_item(NAME(m_bg_clip_on));
save_item(NAME(m_sky_on));
save_item(NAME(m_sprite_color_base));
save_item(NAME(m_bg_scrollx));
@ -418,7 +427,7 @@ void buggychl_state::machine_start()
void buggychl_state::machine_reset()
{
m_sl_bank = 0;
m_bg_on = 0;
m_bg_clip_on = 0;
m_sky_on = 0;
m_sprite_color_base = 0;
m_bg_scrollx = 0;
@ -433,7 +442,7 @@ static MACHINE_CONFIG_START( buggychl )
MCFG_CPU_ADD("audiocpu", Z80, XTAL_8MHz/2) /* 4 MHz according to schematics */
MCFG_CPU_PROGRAM_MAP(sound_map)
MCFG_CPU_PERIODIC_INT_DRIVER(buggychl_state, irq0_line_hold, 2*60) // timer irq
MCFG_CPU_PERIODIC_INT_DRIVER(buggychl_state, irq0_line_hold, ((((XTAL_8MHz/2)/2)/256)/64)) // timer irq
// schematics shows a 61.035 (x2?) Hz, similar to flstory.cpp and other Taito MSM5232 based games.
// apparently schematics also shows a switch for the timer irq that makes it to run at half speed, no idea where this is located.
/* audiocpu nmi is caused by (main->sound semaphore)&&(sound_nmi_enabled), identical to bubble bobble. */

30
src/mame/includes/buggychl.h
View File

@ -29,7 +29,9 @@ public:
m_palette(*this, "palette"),
m_soundnmi(*this, "soundnmi"),
m_soundlatch(*this, "soundlatch"),
m_soundlatch2(*this, "soundlatch2") { }
m_soundlatch2(*this, "soundlatch2"),
m_pedal_input(*this, "PEDAL")
{ }
/* memory pointers */
required_shared_ptr<uint8_t> m_charram;
@ -38,17 +40,6 @@ public:
required_shared_ptr<uint8_t> m_scrollv;
required_shared_ptr<uint8_t> m_scrollh;
/* video-related */
bitmap_ind16 m_tmp_bitmap1;
bitmap_ind16 m_tmp_bitmap2;
tilemap_t *m_bg_tilemap;
int m_sl_bank;
int m_bg_clip_on;
int m_sky_on;
int m_sprite_color_base;
int m_bg_scrollx;
uint8_t m_sprite_lookup[0x2000];
/* devices */
required_device<cpu_device> m_audiocpu;
required_device<cpu_device> m_maincpu;
@ -60,6 +51,7 @@ public:
required_device<input_merger_device> m_soundnmi;
required_device<generic_latch_8_device> m_soundlatch;
required_device<generic_latch_8_device> m_soundlatch2;
required_ioport m_pedal_input;
DECLARE_WRITE8_MEMBER(bankswitch_w);
DECLARE_WRITE8_MEMBER(sound_enable_w);
@ -80,9 +72,21 @@ public:
virtual void video_start() override;
DECLARE_PALETTE_INIT(buggychl);
uint32_t screen_update_buggychl(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
TIMER_CALLBACK_MEMBER(nmi_callback);
DECLARE_CUSTOM_INPUT_MEMBER( pedal_in_r );
private:
void draw_sky( bitmap_ind16 &bitmap, const rectangle &cliprect );
void draw_bg( bitmap_ind16 &bitmap, const rectangle &cliprect );
void draw_fg( bitmap_ind16 &bitmap, const rectangle &cliprect );
void draw_sprites( bitmap_ind16 &bitmap, const rectangle &cliprect );
/* video-related */
bitmap_ind16 m_tmp_bitmap1;
bitmap_ind16 m_tmp_bitmap2;
int m_sl_bank;
int m_bg_clip_on;
int m_sky_on;
int m_sprite_color_base;
int m_bg_scrollx;
bool m_sound_irq_enable;
uint8_t m_sprite_lookup[0x2000];
};