Sprinter/mame
2
0
Fork 0
mirror of https://github.com/holub/mame synced 2025-05-28 08:33:05 +03:00
Code Issues Actions Packages Projects Releases Wiki Activity

rm unnecessary comments, emulate soundlatch properly

Browse Source
This commit is contained in:
Michaël Banaan Ananas 2012-01-19 23:32:36 +00:00
parent dcb7e03334
commit 7efa03ba55
2 changed files with 19 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

29
src/mame/drivers/gberet.c
View File

@ -145,6 +145,12 @@ static WRITE8_HANDLER( gberet_flipscreen_w )
flip_screen_set(space->machine(), data & 0x08);
}
static WRITE8_HANDLER( gberet_sound_w )
{
gberet_state *state = space->machine().driver_data<gberet_state>();
sn76496_w(space->machine().device("snsnd"), 0, *state->m_soundlatch);
}
static WRITE8_HANDLER( mrgoemon_coin_counter_w )
{
/* bits 0/1 = coin counters */
@ -182,13 +188,12 @@ static ADDRESS_MAP_START( gberet_map, AS_PROGRAM, 8 )
AM_RANGE(0xe043, 0xe043) AM_WRITE(gberet_sprite_bank_w)
AM_RANGE(0xe044, 0xe044) AM_WRITE(gberet_flipscreen_w)
AM_RANGE(0xf000, 0xf000) AM_WRITE(gberet_coin_counter_w)
AM_RANGE(0xf200, 0xf200) AM_READ_PORT("DSW2") AM_WRITENOP // Loads the snd command into the snd latch
AM_RANGE(0xf400, 0xf400) AM_READ_PORT("DSW3") AM_DEVWRITE("snsnd", sn76496_w) // This address triggers the SN chip to read the data port.
AM_RANGE(0xf600, 0xf600) AM_READ_PORT("DSW1")
AM_RANGE(0xf200, 0xf200) AM_READ_PORT("DSW2") AM_WRITEONLY AM_BASE_MEMBER(gberet_state, m_soundlatch)
AM_RANGE(0xf400, 0xf400) AM_READ_PORT("DSW3") AM_WRITE(gberet_sound_w)
AM_RANGE(0xf600, 0xf600) AM_READ_PORT("DSW1") AM_WRITE(watchdog_reset_w)
AM_RANGE(0xf601, 0xf601) AM_READ_PORT("P2")
AM_RANGE(0xf602, 0xf602) AM_READ_PORT("P1")
AM_RANGE(0xf603, 0xf603) AM_READ_PORT("SYSTEM")
AM_RANGE(0xf600, 0xf600) AM_WRITE(watchdog_reset_w)
ADDRESS_MAP_END
static ADDRESS_MAP_START( gberetb_map, AS_PROGRAM, 8 )
@ -224,8 +229,8 @@ static ADDRESS_MAP_START( mrgoemon_map, AS_PROGRAM, 8 )
AM_RANGE(0xe043, 0xe043) AM_WRITE(gberet_sprite_bank_w)
AM_RANGE(0xe044, 0xe044) AM_WRITE(mrgoemon_flipscreen_w)
AM_RANGE(0xf000, 0xf000) AM_WRITE(mrgoemon_coin_counter_w)
AM_RANGE(0xf200, 0xf200) AM_READ_PORT("DSW2") AM_WRITENOP // Loads the snd command into the snd latch
AM_RANGE(0xf400, 0xf400) AM_READ_PORT("DSW3") AM_DEVWRITE("snsnd", sn76496_w) // This address triggers the SN chip to read the data port.
AM_RANGE(0xf200, 0xf200) AM_READ_PORT("DSW2") AM_WRITEONLY AM_BASE_MEMBER(gberet_state, m_soundlatch)
AM_RANGE(0xf400, 0xf400) AM_READ_PORT("DSW3") AM_WRITE(gberet_sound_w)
AM_RANGE(0xf600, 0xf600) AM_READ_PORT("DSW1") AM_WRITE(watchdog_reset_w)
AM_RANGE(0xf601, 0xf601) AM_READ_PORT("P2")
AM_RANGE(0xf602, 0xf602) AM_READ_PORT("P1")
@ -241,7 +246,7 @@ ADDRESS_MAP_END
static INPUT_PORTS_START( gberet )
PORT_START("P1")
KONAMI8_MONO_B12_UNK // button 1 = knife, button 2 = shoot
KONAMI8_MONO_B12_UNK
PORT_START("P2")
KONAMI8_COCKTAIL_B12_UNK
@ -256,7 +261,7 @@ static INPUT_PORTS_START( gberet )
PORT_START("DSW2")
PORT_DIPNAME( 0x03, 0x02, DEF_STR( Lives ) ) PORT_DIPLOCATION("SW2:1,2")
PORT_DIPSETTING( 0x03, "2" )
PORT_DIPSETTING( 0x02, "3" ) // factory default
PORT_DIPSETTING( 0x02, "3" )
PORT_DIPSETTING( 0x01, "5" )
PORT_DIPSETTING( 0x00, "7" )
PORT_DIPNAME( 0x04, 0x00, DEF_STR( Cabinet ) ) PORT_DIPLOCATION("SW2:3")
@ -264,12 +269,12 @@ static INPUT_PORTS_START( gberet )
PORT_DIPSETTING( 0x04, DEF_STR( Cocktail ) )
PORT_DIPNAME( 0x18, 0x08, DEF_STR( Bonus_Life ) ) PORT_DIPLOCATION("SW2:4,5")
PORT_DIPSETTING( 0x18, "30K, 70K, Every 70K" )
PORT_DIPSETTING( 0x10, "40K, 80K, Every 80K" ) // Japanese default
PORT_DIPSETTING( 0x08, "50K, 100K, Every 100K" ) // US default
PORT_DIPSETTING( 0x10, "40K, 80K, Every 80K" ) // Japanese default
PORT_DIPSETTING( 0x08, "50K, 100K, Every 100K" ) // US default
PORT_DIPSETTING( 0x00, "50K, 200K, Every 200K" )
PORT_DIPNAME( 0x60, 0x40, DEF_STR( Difficulty ) ) PORT_DIPLOCATION("SW2:6,7")
PORT_DIPSETTING( 0x60, DEF_STR( Easy ) )
PORT_DIPSETTING( 0x40, DEF_STR( Normal ) ) // factory default
PORT_DIPSETTING( 0x40, DEF_STR( Normal ) )
PORT_DIPSETTING( 0x20, DEF_STR( Difficult ) )
PORT_DIPSETTING( 0x00, DEF_STR( Very_Difficult ) )
PORT_DIPNAME( 0x80, 0x00, DEF_STR( Demo_Sounds ) ) PORT_DIPLOCATION("SW2:8")
@ -309,7 +314,7 @@ static INPUT_PORTS_START( mrgoemon )
PORT_MODIFY("DSW2")
PORT_DIPNAME( 0x18, 0x18, DEF_STR( Bonus_Life ) ) PORT_DIPLOCATION("SW2:4,5")
PORT_DIPSETTING( 0x18, "20K, Every 60K" ) // factory default
PORT_DIPSETTING( 0x18, "20K, Every 60K" )
PORT_DIPSETTING( 0x10, "30K, Every 70K" )
PORT_DIPSETTING( 0x08, "40K, Every 80K" )
PORT_DIPSETTING( 0x00, "50K, Every 90K" )

3
src/mame/includes/gberet.h
View File

@ -19,10 +19,11 @@ public:
size_t m_spriteram_size;
/* video-related */
tilemap_t *m_bg_tilemap;
tilemap_t * m_bg_tilemap;
UINT8 m_spritebank;
/* misc */
UINT8 * m_soundlatch;
UINT8 m_nmi_enable;
UINT8 m_irq_enable;
};