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------------------
Dribbling (set 2) [f205v]
This commit is contained in:
Ivan Vangelista 2020-03-05 20:55:34 +01:00
parent 1955f0b999
commit 1f7f099376
4 changed files with 135 additions and 103 deletions
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165
src/mame/drivers/dribling.cpp
View File

@ -3,12 +3,18 @@
/*************************************************************************** /***************************************************************************
Model Racing Dribbling hardware Model Racing Dribbling hardware
MEF00284 main board + MEF00277 'counter drive' board + CS283 player control
driver by Aaron Giles driver by Aaron Giles
Games supported: Games supported:
* Dribbling * Dribbling
TODO:
* Audio (discrete components, schematics available)
* Implement the 2 banks of 8 dips which determine coinage for the 2 players
* Actual game duration doesn't match the time reported in the manual
**************************************************************************** ****************************************************************************
Memory map Memory map
@ -42,7 +48,7 @@
* *
*************************************/ *************************************/
INTERRUPT_GEN_MEMBER(dribling_state::dribling_irq_gen) INTERRUPT_GEN_MEMBER(dribling_state::irq_gen)
{ {
if (m_di) if (m_di)
device.execute().set_input_line(0, ASSERT_LINE); device.execute().set_input_line(0, ASSERT_LINE);
@ -56,22 +62,22 @@ INTERRUPT_GEN_MEMBER(dribling_state::dribling_irq_gen)
* *
*************************************/ *************************************/
READ8_MEMBER(dribling_state::dsr_r) uint8_t dribling_state::dsr_r()
{ {
/* return DSR0-7 */ // return DSR0-7
return (m_ds << m_sh) | (m_dr >> (8 - m_sh)); return (m_ds << m_sh) | (m_dr >> (8 - m_sh));
} }
READ8_MEMBER(dribling_state::input_mux0_r) uint8_t dribling_state::input_mux0_r()
{ {
/* low value in the given bit selects */ // low value in the given bit selects
if (!(m_input_mux & 0x01)) if (!(m_input_mux & 0x01))
return ioport("MUX0")->read(); return m_mux[0]->read();
else if (!(m_input_mux & 0x02)) else if (!(m_input_mux & 0x02))
return ioport("MUX1")->read(); return m_mux[1]->read();
else if (!(m_input_mux & 0x04)) else if (!(m_input_mux & 0x04))
return ioport("MUX2")->read(); return m_mux[2]->read();
return 0xff; return 0xff;
} }
@ -83,57 +89,57 @@ READ8_MEMBER(dribling_state::input_mux0_r)
* *
*************************************/ *************************************/
WRITE8_MEMBER(dribling_state::misc_w) void dribling_state::misc_w(uint8_t data)
{ {
/* bit 7 = di */ // bit 7 = di
m_di = (data >> 7) & 1; m_di = (data >> 7) & 1;
if (!m_di) if (!m_di)
m_maincpu->set_input_line(0, CLEAR_LINE); m_maincpu->set_input_line(0, CLEAR_LINE);
/* bit 6 = parata */ // bit 6 = parata (save by goalkeeper)
/* bit 5 = ab. campo */ // bit 5 = ab. campo (field enable)
m_abca = (data >> 5) & 1; m_abca = (data >> 5) & 1;
/* bit 4 = ab. a.b.f. */ // bit 4 = ab. a.b.f.
/* bit 3 = n/c */ // bit 3 = n/c
/* bit 2 = (9) = PC2 */ // bit 2 = (9) = PC2
/* bit 1 = (10) = PC1 */ // bit 1 = (10) = PC1
/* bit 0 = (32) = PC0 */ // bit 0 = (32) = PC0
m_input_mux = data & 7; m_input_mux = data & 7;
logerror("%s:misc_w(%02X)\n", machine().describe_context(), data); logerror("%s:misc_w(%02X)\n", machine().describe_context(), data);
} }
WRITE8_MEMBER(dribling_state::sound_w) void dribling_state::sound_w(uint8_t data)
{ {
/* bit 7 = stop palla */ // bit 7 = stop palla (ball stop)
/* bit 6 = contrasto */ // bit 6 = contrasto (tackle)
/* bit 5 = calcio a */ // bit 5 = calcio a (kick a)
/* bit 4 = fischio */ // bit 4 = fischio (whistle)
/* bit 3 = calcio b */ // bit 3 = calcio b (kick b)
/* bit 2 = folla a */ // bit 2 = folla a (crowd a)
/* bit 1 = folla m */ // bit 1 = folla m (crowd m)
/* bit 0 = folla b */ // bit 0 = folla b (crowd b)
logerror("%s:sound_w(%02X)\n", machine().describe_context(), data); logerror("%s:sound_w(%02X)\n", machine().describe_context(), data);
} }
WRITE8_MEMBER(dribling_state::pb_w) void dribling_state::pb_w(uint8_t data)
{ {
/* write PB0-7 */ // write PB0-7
logerror("%s:pb_w(%02X)\n", machine().describe_context(), data); logerror("%s:pb_w(%02X)\n", machine().describe_context(), data);
} }
WRITE8_MEMBER(dribling_state::shr_w) void dribling_state::shr_w(uint8_t data)
{ {
/* bit 3 = watchdog */ // bit 3 = watchdog
if (data & 0x08) if (data & 0x08)
m_watchdog->watchdog_reset(); m_watchdog->watchdog_reset();
/* bit 2-0 = SH0-2 */ // bit 2-0 = SH0-2
m_sh = data & 0x07; m_sh = data & 0x07;
} }
@ -145,22 +151,22 @@ WRITE8_MEMBER(dribling_state::shr_w)
* *
*************************************/ *************************************/
READ8_MEMBER(dribling_state::ioread) uint8_t dribling_state::ioread(offs_t offset)
{ {
if (offset & 0x08) if (offset & 0x08)
return m_ppi8255_0->read(offset & 3); return m_ppi8255[0]->read(offset & 3);
else if (offset & 0x10) else if (offset & 0x10)
return m_ppi8255_1->read(offset & 3); return m_ppi8255[1]->read(offset & 3);
return 0xff; return 0xff;
} }
WRITE8_MEMBER(dribling_state::iowrite) void dribling_state::iowrite(offs_t offset, uint8_t data)
{ {
if (offset & 0x08) if (offset & 0x08)
m_ppi8255_0->write(offset & 3, data); m_ppi8255[0]->write(offset & 3, data);
else if (offset & 0x10) else if (offset & 0x10)
m_ppi8255_1->write(offset & 3, data); m_ppi8255[1]->write(offset & 3, data);
else if (offset & 0x40) else if (offset & 0x40)
{ {
m_dr = m_ds; m_dr = m_ds;
@ -175,12 +181,12 @@ WRITE8_MEMBER(dribling_state::iowrite)
* *
*************************************/ *************************************/
void dribling_state::dribling_map(address_map &map) void dribling_state::prg_map(address_map &map)
{ {
map(0x0000, 0x1fff).rom(); map(0x0000, 0x1fff).rom();
map(0x2000, 0x3fff).ram().share("videoram"); map(0x2000, 0x3fff).ram().share(m_videoram);
map(0x4000, 0x7fff).rom(); map(0x4000, 0x7fff).rom();
map(0xc000, 0xdfff).ram().w(FUNC(dribling_state::dribling_colorram_w)).share("colorram"); map(0xc000, 0xdfff).ram().w(FUNC(dribling_state::colorram_w)).share(m_colorram);
} }
@ -231,12 +237,12 @@ static INPUT_PORTS_START( dribling )
PORT_BIT( 0x0f, IP_ACTIVE_LOW, IPT_UNUSED ) PORT_BIT( 0x0f, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_COIN1 ) PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_COIN1 )
PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_START1 ) PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_START1 )
PORT_DIPNAME( 0x40, 0x40, DEF_STR( Unknown ) ) PORT_DIPNAME( 0x40, 0x40, "Game Duration" ) PORT_DIPLOCATION( "SW:2" ) // timer always starts at 90, but decrements quicker / slower depending on dip setting
PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, "1:50" ) // actually circa 1:25 emulated. Bug?
PORT_DIPSETTING( 0x40, DEF_STR( On ) ) PORT_DIPSETTING( 0x40, "2:30" ) // actually circa 1:40 emulated. Bug?
PORT_DIPNAME( 0x80, 0x80, DEF_STR( Unknown ) ) PORT_DIPNAME( 0x80, 0x80, "New game with one coin" ) PORT_DIPLOCATION( "SW:1" ) // according to the manual, for this to work both (unimplemented) coinage dip banks must be set to 1 coin 1 play
PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) )
PORT_DIPSETTING( 0x80, DEF_STR( On ) ) PORT_DIPSETTING( 0x80, DEF_STR( Off ) )
INPUT_PORTS_END INPUT_PORTS_END
@ -270,38 +276,38 @@ void dribling_state::machine_reset()
void dribling_state::dribling(machine_config &config) void dribling_state::dribling(machine_config &config)
{ {
/* basic machine hardware */ // basic machine hardware
Z80(config, m_maincpu, 20_MHz_XTAL / 4); // XTAL verified, divider not Z80(config, m_maincpu, 20_MHz_XTAL / 4); // XTAL verified, divider not
m_maincpu->set_addrmap(AS_PROGRAM, &dribling_state::dribling_map); m_maincpu->set_addrmap(AS_PROGRAM, &dribling_state::prg_map);
m_maincpu->set_addrmap(AS_IO, &dribling_state::io_map); m_maincpu->set_addrmap(AS_IO, &dribling_state::io_map);
m_maincpu->set_vblank_int("screen", FUNC(dribling_state::dribling_irq_gen)); m_maincpu->set_vblank_int("screen", FUNC(dribling_state::irq_gen));
I8255A(config, m_ppi8255_0); I8255A(config, m_ppi8255[0]);
m_ppi8255_0->in_pa_callback().set(FUNC(dribling_state::dsr_r)); m_ppi8255[0]->in_pa_callback().set(FUNC(dribling_state::dsr_r));
m_ppi8255_0->in_pb_callback().set(FUNC(dribling_state::input_mux0_r)); m_ppi8255[0]->in_pb_callback().set(FUNC(dribling_state::input_mux0_r));
m_ppi8255_0->out_pc_callback().set(FUNC(dribling_state::misc_w)); m_ppi8255[0]->out_pc_callback().set(FUNC(dribling_state::misc_w));
I8255A(config, m_ppi8255_1); I8255A(config, m_ppi8255[1]);
m_ppi8255_1->out_pa_callback().set(FUNC(dribling_state::sound_w)); m_ppi8255[1]->out_pa_callback().set(FUNC(dribling_state::sound_w));
m_ppi8255_1->out_pb_callback().set(FUNC(dribling_state::pb_w)); m_ppi8255[1]->out_pb_callback().set(FUNC(dribling_state::pb_w));
m_ppi8255_1->in_pc_callback().set_ioport("IN0"); m_ppi8255[1]->in_pc_callback().set_ioport("IN0");
m_ppi8255_1->out_pc_callback().set(FUNC(dribling_state::shr_w)); m_ppi8255[1]->out_pc_callback().set(FUNC(dribling_state::shr_w));
WATCHDOG_TIMER(config, m_watchdog); WATCHDOG_TIMER(config, m_watchdog);
/* video hardware */ // video hardware
screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER)); screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER));
screen.set_video_attributes(VIDEO_UPDATE_BEFORE_VBLANK); screen.set_video_attributes(VIDEO_UPDATE_BEFORE_VBLANK);
screen.set_refresh_hz(60); screen.set_refresh_hz(60);
screen.set_vblank_time(ATTOSECONDS_IN_USEC(2500) /* not accurate */); screen.set_vblank_time(ATTOSECONDS_IN_USEC(2500)); // not accurate
screen.set_size(256, 256); screen.set_size(256, 256);
screen.set_visarea(0, 255, 40, 255); screen.set_visarea(0, 255, 40, 255);
screen.set_screen_update(FUNC(dribling_state::screen_update_dribling)); screen.set_screen_update(FUNC(dribling_state::screen_update));
screen.set_palette("palette"); screen.set_palette("palette");
PALETTE(config, "palette", FUNC(dribling_state::dribling_palette), 256); PALETTE(config, "palette", FUNC(dribling_state::palette), 256);
/* sound hardware */ // sound hardware
} }
@ -320,7 +326,7 @@ ROM_START( dribling )
ROM_LOAD( "5k.bin", 0x5000, 0x1000, CRC(737628c4) SHA1(301fda413388c26da5b5150aec2cefc971801749) ) // ROM_LOAD( "5k.bin", 0x5000, 0x1000, CRC(737628c4) SHA1(301fda413388c26da5b5150aec2cefc971801749) ) //
ROM_LOAD( "5h.bin", 0x6000, 0x1000, CRC(30d0957f) SHA1(52135e12094ee1c8828a48c355bdd565aa5895de) ) // ROM_LOAD( "5h.bin", 0x6000, 0x1000, CRC(30d0957f) SHA1(52135e12094ee1c8828a48c355bdd565aa5895de) ) //
ROM_REGION( 0x2000, "gfx1", 0 ) ROM_REGION( 0x2000, "gfx", 0 )
ROM_LOAD( "3p.bin", 0x0000, 0x1000, CRC(208971b8) SHA1(f91f3ea04d75beb58a61c844472b4dba53d84c0f) ) ROM_LOAD( "3p.bin", 0x0000, 0x1000, CRC(208971b8) SHA1(f91f3ea04d75beb58a61c844472b4dba53d84c0f) )
ROM_LOAD( "3n.bin", 0x1000, 0x1000, CRC(356c9803) SHA1(8e2ce52f32b33886f4747dadf3aeb78148538173) ) ROM_LOAD( "3n.bin", 0x1000, 0x1000, CRC(356c9803) SHA1(8e2ce52f32b33886f4747dadf3aeb78148538173) )
@ -330,6 +336,30 @@ ROM_START( dribling )
ROM_LOAD( "tbp24s10.2d", 0x0500, 0x0100, CRC(a17d6956) SHA1(81724daf2e2d319f55cc34cc881b6a9a4e64e7ac) ) ROM_LOAD( "tbp24s10.2d", 0x0500, 0x0100, CRC(a17d6956) SHA1(81724daf2e2d319f55cc34cc881b6a9a4e64e7ac) )
ROM_END ROM_END
// the only difference from the parent is the following routine has been removed:
// 1FCF: 3A 0A 23 ld a,($230A)
// 1FD2: A7 and a
// 1FD3: C2 68 1F jp nz,$1F68
// 1FD6: C3 6E 1F jp $1F6E
// the code directly jumps to $1F6E instead
ROM_START( driblinga )
ROM_REGION( 0x10000, "maincpu", 0 )
ROM_LOAD( "dribling-type01-mem.n.1.5p", 0x0000, 0x1000, CRC(0e791947) SHA1(57bc4f4e9e1fe3fbac1017601c9c75029b2601a4) )
ROM_LOAD( "dribling-type01-mem.n.2.5n", 0x1000, 0x1000, CRC(2ad86cca) SHA1(e71bf46b8d7f1a93f8288a5c81493de9413f3d5d) ) // only different ROM
ROM_LOAD( "dribling-type01-mem.n.3.5l", 0x4000, 0x1000, CRC(1fccfc85) SHA1(c0365ad54144414218f52209173b858b927c9626) )
ROM_LOAD( "dribling-type01-mem.n.4.5k", 0x5000, 0x1000, CRC(737628c4) SHA1(301fda413388c26da5b5150aec2cefc971801749) )
ROM_LOAD( "dribling-type01-mem.n.5.5h", 0x6000, 0x1000, CRC(30d0957f) SHA1(52135e12094ee1c8828a48c355bdd565aa5895de) )
ROM_REGION( 0x2000, "gfx", 0 )
ROM_LOAD( "3p.bin", 0x0000, 0x1000, CRC(208971b8) SHA1(f91f3ea04d75beb58a61c844472b4dba53d84c0f) )
ROM_LOAD( "3n.bin", 0x1000, 0x1000, CRC(356c9803) SHA1(8e2ce52f32b33886f4747dadf3aeb78148538173) )
ROM_REGION( 0x600, "proms", 0 )
ROM_LOAD( "93453pc-d9.3c", 0x0000, 0x0400, CRC(b045d005) SHA1(7e3ac10a99aa37f6348b3a57a747116b7025103e) )
ROM_LOAD( "63s140n-d8.3e", 0x0400, 0x0100, CRC(8f1a9908) SHA1(12c513c589757f1282e9979d3589f9b49d30ec0f) )
ROM_LOAD( "tbp24s10n.2d", 0x0500, 0x0100, CRC(a17d6956) SHA1(81724daf2e2d319f55cc34cc881b6a9a4e64e7ac) )
ROM_END
ROM_START( driblingo ) ROM_START( driblingo )
ROM_REGION( 0x10000, "maincpu", 0 ) ROM_REGION( 0x10000, "maincpu", 0 )
@ -339,7 +369,7 @@ ROM_START( driblingo )
ROM_LOAD( "dribblng.5j", 0x5000, 0x1000, CRC(e535ac5b) SHA1(ba13298378f1e5b2b40634874097ad29c402fdea) ) ROM_LOAD( "dribblng.5j", 0x5000, 0x1000, CRC(e535ac5b) SHA1(ba13298378f1e5b2b40634874097ad29c402fdea) )
ROM_LOAD( "dribblng.5h", 0x6000, 0x1000, CRC(e6af7264) SHA1(a015120d85461e599c4bb9626ebea296386a31bb) ) ROM_LOAD( "dribblng.5h", 0x6000, 0x1000, CRC(e6af7264) SHA1(a015120d85461e599c4bb9626ebea296386a31bb) )
ROM_REGION( 0x2000, "gfx1", 0 ) ROM_REGION( 0x2000, "gfx", 0 )
ROM_LOAD( "3p.bin", 0x0000, 0x1000, CRC(208971b8) SHA1(f91f3ea04d75beb58a61c844472b4dba53d84c0f) ) ROM_LOAD( "3p.bin", 0x0000, 0x1000, CRC(208971b8) SHA1(f91f3ea04d75beb58a61c844472b4dba53d84c0f) )
ROM_LOAD( "3n.bin", 0x1000, 0x1000, CRC(356c9803) SHA1(8e2ce52f32b33886f4747dadf3aeb78148538173) ) ROM_LOAD( "3n.bin", 0x1000, 0x1000, CRC(356c9803) SHA1(8e2ce52f32b33886f4747dadf3aeb78148538173) )
@ -357,7 +387,7 @@ ROM_START( driblingbr )
ROM_LOAD( "4", 0x5000, 0x1000, CRC(3ed4073a) SHA1(dec36e9dda07ea5f50163b98051955783131773d) ) ROM_LOAD( "4", 0x5000, 0x1000, CRC(3ed4073a) SHA1(dec36e9dda07ea5f50163b98051955783131773d) )
ROM_LOAD( "5", 0x6000, 0x1000, CRC(c21a1d32) SHA1(6e919f1416e6c4df133d3140f7331f65f65d4942) ) ROM_LOAD( "5", 0x6000, 0x1000, CRC(c21a1d32) SHA1(6e919f1416e6c4df133d3140f7331f65f65d4942) )
ROM_REGION( 0x2000, "gfx1", 0 ) ROM_REGION( 0x2000, "gfx", 0 )
ROM_LOAD( "6", 0x0000, 0x1000, CRC(208971b8) SHA1(f91f3ea04d75beb58a61c844472b4dba53d84c0f) ) ROM_LOAD( "6", 0x0000, 0x1000, CRC(208971b8) SHA1(f91f3ea04d75beb58a61c844472b4dba53d84c0f) )
ROM_LOAD( "7", 0x1000, 0x1000, CRC(356c9803) SHA1(8e2ce52f32b33886f4747dadf3aeb78148538173) ) ROM_LOAD( "7", 0x1000, 0x1000, CRC(356c9803) SHA1(8e2ce52f32b33886f4747dadf3aeb78148538173) )
@ -374,6 +404,7 @@ ROM_END
* *
*************************************/ *************************************/
GAME( 1983, dribling, 0, dribling, dribling, dribling_state, empty_init, ROT0, "Model Racing", "Dribbling", MACHINE_NO_SOUND | MACHINE_SUPPORTS_SAVE ) GAME( 1983, dribling, 0, dribling, dribling, dribling_state, empty_init, ROT0, "Model Racing", "Dribbling (set 1)", MACHINE_NO_SOUND | MACHINE_SUPPORTS_SAVE )
GAME( 1983, driblinga, dribling, dribling, dribling, dribling_state, empty_init, ROT0, "Model Racing", "Dribbling (set 2)", MACHINE_NO_SOUND | MACHINE_SUPPORTS_SAVE )
GAME( 1983, driblingo, dribling, dribling, dribling, dribling_state, empty_init, ROT0, "Model Racing (Olympia license)", "Dribbling (Olympia)", MACHINE_NO_SOUND | MACHINE_SUPPORTS_SAVE ) GAME( 1983, driblingo, dribling, dribling, dribling, dribling_state, empty_init, ROT0, "Model Racing (Olympia license)", "Dribbling (Olympia)", MACHINE_NO_SOUND | MACHINE_SUPPORTS_SAVE )
GAME( 1983, driblingbr, dribling, dribling, dribling, dribling_state, empty_init, ROT0, "bootleg (Videomac)", "Dribbling (bootleg, Brazil)", MACHINE_NO_SOUND | MACHINE_SUPPORTS_SAVE ) GAME( 1983, driblingbr, dribling, dribling, dribling, dribling_state, empty_init, ROT0, "bootleg (Videomac)", "Dribbling (bootleg, Brazil)", MACHINE_NO_SOUND | MACHINE_SUPPORTS_SAVE )

46
src/mame/includes/dribling.h
View File

@ -21,10 +21,12 @@ public:
driver_device(mconfig, type, tag), driver_device(mconfig, type, tag),
m_maincpu(*this, "maincpu"), m_maincpu(*this, "maincpu"),
m_watchdog(*this, "watchdog"), m_watchdog(*this, "watchdog"),
m_ppi8255_0(*this, "ppi8255_0"), m_ppi8255(*this, "ppi8255%d", 0),
m_ppi8255_1(*this, "ppi8255_1"),
m_videoram(*this, "videoram"), m_videoram(*this, "videoram"),
m_colorram(*this, "colorram") m_colorram(*this, "colorram"),
m_mux(*this, "MUX%u", 0),
m_proms(*this, "proms"),
m_gfxroms(*this, "gfx")
{ } { }
void dribling(machine_config &config); void dribling(machine_config &config);
@ -34,16 +36,18 @@ protected:
virtual void machine_reset() override; virtual void machine_reset() override;
private: private:
/* devices */ // devices
required_device<cpu_device> m_maincpu; required_device<cpu_device> m_maincpu;
required_device<watchdog_timer_device> m_watchdog; required_device<watchdog_timer_device> m_watchdog;
optional_device<i8255_device> m_ppi8255_0; required_device_array<i8255_device, 2> m_ppi8255;
optional_device<i8255_device> m_ppi8255_1; // memory pointers
/* memory pointers */
required_shared_ptr<uint8_t> m_videoram; required_shared_ptr<uint8_t> m_videoram;
required_shared_ptr<uint8_t> m_colorram; required_shared_ptr<uint8_t> m_colorram;
required_ioport_array<3> m_mux;
required_region_ptr<uint8_t> m_proms;
required_region_ptr<uint8_t> m_gfxroms;
/* misc */ // misc
uint8_t m_abca; uint8_t m_abca;
uint8_t m_dr; uint8_t m_dr;
uint8_t m_ds; uint8_t m_ds;
@ -51,19 +55,19 @@ private:
uint8_t m_input_mux; uint8_t m_input_mux;
uint8_t m_di; uint8_t m_di;
DECLARE_READ8_MEMBER(ioread); uint8_t ioread(offs_t offset);
DECLARE_WRITE8_MEMBER(iowrite); void iowrite(offs_t offset, uint8_t data);
DECLARE_WRITE8_MEMBER(dribling_colorram_w); void colorram_w(offs_t offset, uint8_t data);
DECLARE_READ8_MEMBER(dsr_r); uint8_t dsr_r();
DECLARE_READ8_MEMBER(input_mux0_r); uint8_t input_mux0_r();
DECLARE_WRITE8_MEMBER(misc_w); void misc_w(uint8_t data);
DECLARE_WRITE8_MEMBER(sound_w); void sound_w(uint8_t data);
DECLARE_WRITE8_MEMBER(pb_w); void pb_w(uint8_t data);
DECLARE_WRITE8_MEMBER(shr_w); void shr_w(uint8_t data);
void dribling_palette(palette_device &palette) const; void palette(palette_device &palette) const;
uint32_t screen_update_dribling(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); uint32_t screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
INTERRUPT_GEN_MEMBER(dribling_irq_gen); INTERRUPT_GEN_MEMBER(irq_gen);
void dribling_map(address_map &map); void prg_map(address_map &map);
void io_map(address_map &map); void io_map(address_map &map);
}; };

1
src/mame/mame.lst
View File

@ -12287,6 +12287,7 @@ drgnmst2 // (c) 1994
@source:dribling.cpp @source:dribling.cpp
dribling // (c) 1983 Model Racing dribling // (c) 1983 Model Racing
driblinga // (c) 1983 Model Racing
driblingbr // bootleg driblingbr // bootleg
driblingo // (c) 1983 Olympia driblingo // (c) 1983 Olympia

26
src/mame/video/dribling.cpp
View File

@ -17,7 +17,7 @@
* *
*************************************/ *************************************/
void dribling_state::dribling_palette(palette_device &palette) const void dribling_state::palette(palette_device &palette) const
{ {
uint8_t const *const prom = memregion("proms")->base() + 0x400; uint8_t const *const prom = memregion("proms")->base() + 0x400;
@ -43,9 +43,9 @@ void dribling_state::dribling_palette(palette_device &palette) const
* *
*************************************/ *************************************/
WRITE8_MEMBER(dribling_state::dribling_colorram_w) void dribling_state::colorram_w(offs_t offset, uint8_t data)
{ {
/* it is very important that we mask off the two bits here */ // it is very important that we mask off the two bits here
m_colorram[offset & 0x1f9f] = data; m_colorram[offset & 0x1f9f] = data;
} }
@ -57,28 +57,24 @@ WRITE8_MEMBER(dribling_state::dribling_colorram_w)
* *
*************************************/ *************************************/
uint32_t dribling_state::screen_update_dribling(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect) uint32_t dribling_state::screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
{ {
uint8_t *prombase = memregion("proms")->base(); // loop over rows
uint8_t *gfxbase = memregion("gfx1")->base(); for (int y = cliprect.min_y; y <= cliprect.max_y; y++)
int x, y;
/* loop over rows */
for (y = cliprect.min_y; y <= cliprect.max_y; y++)
{ {
uint16_t *dst = &bitmap.pix16(y); uint16_t *dst = &bitmap.pix16(y);
/* loop over columns */ // loop over columns
for (x = cliprect.min_x; x <= cliprect.max_x; x++) for (int x = cliprect.min_x; x <= cliprect.max_x; x++)
{ {
int b7 = prombase[(x >> 3) | ((y >> 3) << 5)] & 1; int b7 = m_proms[(x >> 3) | ((y >> 3) << 5)] & 1;
int b6 = m_abca; int b6 = m_abca;
int b5 = (x >> 3) & 1; int b5 = (x >> 3) & 1;
int b4 = (gfxbase[(x >> 3) | (y << 5)] >> (x & 7)) & 1; int b4 = (m_gfxroms[(x >> 3) | (y << 5)] >> (x & 7)) & 1;
int b3 = (m_videoram[(x >> 3) | (y << 5)] >> (x & 7)) & 1; int b3 = (m_videoram[(x >> 3) | (y << 5)] >> (x & 7)) & 1;
int b2_0 = m_colorram[(x >> 3) | ((y >> 2) << 7)] & 7; int b2_0 = m_colorram[(x >> 3) | ((y >> 2) << 7)] & 7;
/* assemble the various bits into a palette PROM index */ // assemble the various bits into a palette PROM index
dst[x] = (b7 << 7) | (b6 << 6) | (b5 << 5) | (b4 << 4) | (b3 << 3) | b2_0; dst[x] = (b7 << 7) | (b6 << 6) | (b5 << 5) | (b4 << 4) | (b3 << 3) | b2_0;
} }
} }