diff options
Diffstat (limited to 'src/mame/misc/chance32.cpp')
-rw-r--r-- | src/mame/misc/chance32.cpp | 254 |
1 files changed, 121 insertions, 133 deletions
diff --git a/src/mame/misc/chance32.cpp b/src/mame/misc/chance32.cpp index 19eaf5b1806..4857c235156 100644 --- a/src/mame/misc/chance32.cpp +++ b/src/mame/misc/chance32.cpp @@ -1,24 +1,30 @@ // license:BSD-3-Clause // copyright-holders:David Haywood, Angelo Salese, Roberto Fresca -/********************************************************* +/************************************************************************************************** - Chance 32 +Chance 32 - PAL System Co, Ltd. - Osaka, Japan. +PAL System Co, Ltd. +Osaka, Japan. - Driver by David Haywood, Angelo Salese & Roberto Fresca. +TODO: +- fill PCB details below; +- some blanks in I/O section; +- DIPs; +- Need to flip everything in video/gfx code, is it possible to untangle? + +=================================================================================================== 1x HD46505SP / HD6845SP 1x Z84C0008PEC XTAL: 12.000 Mhz - -*********************************************************/ +**************************************************************************************************/ #include "emu.h" + #include "cpu/z80/z80.h" #include "sound/okim6295.h" #include "video/mc6845.h" @@ -35,124 +41,102 @@ namespace { class chance32_state : public driver_device { public: - chance32_state(const machine_config &mconfig, device_type type, const char *tag) : - driver_device(mconfig, type, tag), - m_fgram(*this, "fgram"), - m_bgram(*this, "bgram"), - m_maincpu(*this, "maincpu"), - m_gfxdecode(*this, "gfxdecode"), - m_lamps(*this, "lamp%u", 0U) + chance32_state(const machine_config &mconfig, device_type type, const char *tag) + : driver_device(mconfig, type, tag) + , m_maincpu(*this, "maincpu") + , m_vram(*this, "vram%u", 0U) + , m_gfxdecode(*this, "gfxdecode") + , m_key_matrix(*this, "IN%u", 0U) + , m_lamps(*this, "lamp%u", 0U) { } void chance32(machine_config &config); protected: - virtual void machine_start() override; - virtual void machine_reset() override; - virtual void video_start() override; + virtual void machine_start() override ATTR_COLD; + virtual void machine_reset() override ATTR_COLD; + virtual void video_start() override ATTR_COLD; private: - void chance32_fgram_w(offs_t offset, uint8_t data) - { - m_fgram[offset] = data; - m_fg_tilemap->mark_tile_dirty(offset / 2); - } - - void chance32_bgram_w(offs_t offset, uint8_t data) + template <unsigned N> void vram_w(offs_t offset, uint8_t data) { - m_bgram[offset] = data; - m_bg_tilemap->mark_tile_dirty(offset / 2); + m_vram[N][offset] = data; + m_tilemap[N]->mark_tile_dirty(offset / 2); } - void mux_w(uint8_t data); - void muxout_w(uint8_t data); - uint8_t mux_r(); + void key_matrix_w(uint8_t data); + uint8_t key_matrix_r(); + void lamps_ff_w(uint8_t data); - TILE_GET_INFO_MEMBER(get_fg_tile_info); - TILE_GET_INFO_MEMBER(get_bg_tile_info); - uint32_t screen_update_chance32(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect); - void chance32_map(address_map &map); - void chance32_portmap(address_map &map); + template <unsigned N> TILE_GET_INFO_MEMBER(get_tile_info); + uint32_t screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect); + void main_map(address_map &map) ATTR_COLD; + void main_io(address_map &map) ATTR_COLD; - tilemap_t *m_fg_tilemap = nullptr; - tilemap_t *m_bg_tilemap = nullptr; + tilemap_t *m_tilemap[2]{}; - required_shared_ptr<uint8_t> m_fgram; - required_shared_ptr<uint8_t> m_bgram; + uint8_t m_port_select = 0; - uint8_t mux_data = 0; required_device<cpu_device> m_maincpu; + required_shared_ptr_array<uint8_t, 2> m_vram; + required_device<gfxdecode_device> m_gfxdecode; + required_ioport_array<4> m_key_matrix; output_finder<13> m_lamps; }; -TILE_GET_INFO_MEMBER(chance32_state::get_fg_tile_info) -{ - int code = (m_fgram[tile_index * 2 + 1] << 8) | m_fgram[tile_index * 2]; - int flip = (~code >> 12)&1; - tileinfo.set(1, - code & 0x0fff, - code >> 13, - TILE_FLIPYX(flip<<1)|flip); -} - -TILE_GET_INFO_MEMBER(chance32_state::get_bg_tile_info) +template <unsigned N> TILE_GET_INFO_MEMBER(chance32_state::get_tile_info) { - int code = (m_bgram[tile_index * 2 +1] << 8) | m_bgram[tile_index * 2]; - int flip = (~code >> 12)&1; - tileinfo.set(0, + const u16 code = (m_vram[N][tile_index * 2 + 1] << 8) | m_vram[N][tile_index * 2]; + const u8 flip = BIT(~code, 12); + tileinfo.set( + N, code & 0x0fff, code >> 13, - TILE_FLIPYX(flip<<1|flip)); + TILE_FLIPYX(flip << 1 | flip)); } - void chance32_state::video_start() { - m_fg_tilemap = &machine().tilemap().create(*m_gfxdecode, tilemap_get_info_delegate(*this, FUNC(chance32_state::get_fg_tile_info)), TILEMAP_SCAN_ROWS, 16, 8, 35, 29); - m_fg_tilemap->set_transparent_pen(0); + m_tilemap[1] = &machine().tilemap().create(*m_gfxdecode, tilemap_get_info_delegate(*this, FUNC(chance32_state::get_tile_info<1>)), TILEMAP_SCAN_ROWS, 16, 8, 35, 29); + m_tilemap[1]->set_transparent_pen(0); - m_bg_tilemap = &machine().tilemap().create(*m_gfxdecode, tilemap_get_info_delegate(*this, FUNC(chance32_state::get_bg_tile_info)), TILEMAP_SCAN_ROWS, 16, 8, 35, 29); + m_tilemap[0] = &machine().tilemap().create(*m_gfxdecode, tilemap_get_info_delegate(*this, FUNC(chance32_state::get_tile_info<0>)), TILEMAP_SCAN_ROWS, 16, 8, 35, 29); - m_fg_tilemap->set_flip(TILE_FLIPX|TILE_FLIPY); - m_bg_tilemap->set_flip(TILE_FLIPX|TILE_FLIPY); + m_tilemap[0]->set_flip(TILE_FLIPX|TILE_FLIPY); + m_tilemap[1]->set_flip(TILE_FLIPX|TILE_FLIPY); } -uint32_t chance32_state::screen_update_chance32(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect) +uint32_t chance32_state::screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect) { - m_bg_tilemap->draw(screen, bitmap, cliprect, 0, 0); - m_fg_tilemap->draw(screen, bitmap, cliprect, 0, 0); + m_tilemap[0]->draw(screen, bitmap, cliprect, 0, 0); + m_tilemap[1]->draw(screen, bitmap, cliprect, 0, 0); return 0; } -void chance32_state::mux_w(uint8_t data) +void chance32_state::key_matrix_w(uint8_t data) { - mux_data = data; + m_port_select = data; } -uint8_t chance32_state::mux_r() +uint8_t chance32_state::key_matrix_r() { - uint8_t res,i; - const char *const muxnames[4] = { "IN0", "IN1", "IN2", "IN3" }; - res = 0; - - for(i=0;i<4;i++) + uint8_t res = 0; + for (unsigned i = 0; i < 4; i++) { - if(mux_data & 1 << i) - res |= ioport(muxnames[i])->read(); + if (BIT(m_port_select, i)) + res |= m_key_matrix[i]->read(); } return res; } -void chance32_state::muxout_w(uint8_t data) -{ -/* Muxed Lamps +/* flip-flop lamps There are 2 groups of 7 output lines muxed in port 60h The first bit is the group/mux selector. @@ -182,7 +166,10 @@ void chance32_state::muxout_w(uint8_t data) x--- ---- Bet lamp. */ - if (data & 1) // bit 0 is the mux selector. +void chance32_state::lamps_ff_w(uint8_t data) +{ + // bit 0 selects between the two banks + if (data & 1) { m_lamps[0] = BIT(data, 1); /* Lamp 0 - Small / Big */ m_lamps[1] = BIT(data, 2); /* Lamp 1 - Big / Small */ @@ -197,7 +184,7 @@ void chance32_state::muxout_w(uint8_t data) else { - // bit 1 is unknown... + // TODO: what's bit 1 for? m_lamps[7] = BIT(data, 2); /* Lamp 7 - Fever! */ m_lamps[8] = BIT(data, 3); /* Lamp 8 - Cancel */ m_lamps[9] = BIT(data, 4); /* Lamp 9 - D-Up / Take */ @@ -210,89 +197,89 @@ void chance32_state::muxout_w(uint8_t data) } -void chance32_state::chance32_map(address_map &map) +void chance32_state::main_map(address_map &map) { map(0x0000, 0xcfff).rom(); map(0xd800, 0xdfff).ram(); map(0xe000, 0xefff).ram().w("palette", FUNC(palette_device::write8)).share("palette"); - map(0xf000, 0xf7ff).ram().w(FUNC(chance32_state::chance32_fgram_w)).share("fgram"); - map(0xf800, 0xffff).ram().w(FUNC(chance32_state::chance32_bgram_w)).share("bgram"); + map(0xf000, 0xf7ff).ram().w(FUNC(chance32_state::vram_w<1>)).share(m_vram[1]); + map(0xf800, 0xffff).ram().w(FUNC(chance32_state::vram_w<0>)).share(m_vram[0]); } -void chance32_state::chance32_portmap(address_map &map) +void chance32_state::main_io(address_map &map) { map.global_mask(0xff); map(0x10, 0x10).nopw(); // writing bit3 constantly... watchdog? - map(0x13, 0x13).w(FUNC(chance32_state::mux_w)); + map(0x13, 0x13).w(FUNC(chance32_state::key_matrix_w)); map(0x20, 0x20).portr("DSW0"); map(0x21, 0x21).portr("DSW1"); map(0x22, 0x22).portr("DSW2"); map(0x23, 0x23).portr("DSW3"); map(0x24, 0x24).portr("DSW4"); - map(0x25, 0x25).r(FUNC(chance32_state::mux_r)); + map(0x25, 0x25).r(FUNC(chance32_state::key_matrix_r)); map(0x26, 0x26).portr("UNK"); // vblank (other bits are checked for different reasons) map(0x30, 0x30).w("crtc", FUNC(mc6845_device::address_w)); map(0x31, 0x31).w("crtc", FUNC(mc6845_device::register_w)); map(0x50, 0x50).rw("oki", FUNC(okim6295_device::read), FUNC(okim6295_device::write)); - map(0x60, 0x60).w(FUNC(chance32_state::muxout_w)); + map(0x60, 0x60).w(FUNC(chance32_state::lamps_ff_w)); } +// TODO: diplocations are unconfirmed static INPUT_PORTS_START( chance32 ) - PORT_START("DSW0") - PORT_DIPNAME( 0x01, 0x00, "DSW0" ) + PORT_DIPNAME( 0x01, 0x00, "DSW0" ) PORT_DIPLOCATION("SW0:1") PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) PORT_DIPSETTING( 0x01, DEF_STR( On ) ) - PORT_DIPNAME( 0x02, 0x00, DEF_STR( Unknown ) ) + PORT_DIPNAME( 0x02, 0x00, DEF_STR( Unknown ) ) PORT_DIPLOCATION("SW0:2") PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) PORT_DIPSETTING( 0x02, DEF_STR( On ) ) - PORT_DIPNAME( 0x04, 0x00, "Auto Max Bet" ) + PORT_DIPNAME( 0x04, 0x00, "Auto Max Bet" ) PORT_DIPLOCATION("SW0:3") PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) PORT_DIPSETTING( 0x04, DEF_STR( On ) ) - PORT_DIPNAME( 0x08, 0x00, DEF_STR( Flip_Screen ) ) + PORT_DIPNAME( 0x08, 0x00, DEF_STR( Flip_Screen ) ) PORT_DIPLOCATION("SW0:4") PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) PORT_DIPSETTING( 0x08, DEF_STR( On ) ) - PORT_DIPNAME( 0x10, 0x00, DEF_STR( Unknown ) ) + PORT_DIPNAME( 0x10, 0x00, DEF_STR( Unknown ) ) PORT_DIPLOCATION("SW0:5") PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) PORT_DIPSETTING( 0x10, DEF_STR( On ) ) - PORT_DIPNAME( 0x20, 0x00, DEF_STR( Unknown ) ) + PORT_DIPNAME( 0x20, 0x00, DEF_STR( Unknown ) ) PORT_DIPLOCATION("SW0:6") PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) PORT_DIPSETTING( 0x20, DEF_STR( On ) ) - PORT_DIPNAME( 0xc0, 0x00, "Maximum Bet" ) + PORT_DIPNAME( 0xc0, 0x00, "Maximum Bet" ) PORT_DIPLOCATION("SW0:7,8") PORT_DIPSETTING( 0x00, "10" ) PORT_DIPSETTING( 0x40, "20" ) PORT_DIPSETTING( 0x80, "30" ) PORT_DIPSETTING( 0xc0, "50" ) PORT_START("DSW1") - PORT_DIPNAME( 0x01, 0x00, "DSW1" ) + PORT_DIPNAME( 0x01, 0x00, "DSW1" ) PORT_DIPLOCATION("SW1:1") PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) PORT_DIPSETTING( 0x01, DEF_STR( On ) ) - PORT_DIPNAME( 0x02, 0x00, DEF_STR( Unknown ) ) + PORT_DIPNAME( 0x02, 0x00, DEF_STR( Unknown ) ) PORT_DIPLOCATION("SW1:2") PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) PORT_DIPSETTING( 0x02, DEF_STR( On ) ) - PORT_DIPNAME( 0x04, 0x00, DEF_STR( Unknown ) ) + PORT_DIPNAME( 0x04, 0x00, DEF_STR( Unknown ) ) PORT_DIPLOCATION("SW1:3") PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) PORT_DIPSETTING( 0x04, DEF_STR( On ) ) - PORT_DIPNAME( 0x08, 0x00, DEF_STR( Unknown ) ) + PORT_DIPNAME( 0x08, 0x00, DEF_STR( Unknown ) ) PORT_DIPLOCATION("SW1:4") PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) PORT_DIPSETTING( 0x08, DEF_STR( On ) ) - PORT_DIPNAME( 0x10, 0x00, DEF_STR( Unknown ) ) + PORT_DIPNAME( 0x10, 0x00, DEF_STR( Unknown ) ) PORT_DIPLOCATION("SW1:5") PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) PORT_DIPSETTING( 0x10, DEF_STR( On ) ) - PORT_DIPNAME( 0x20, 0x00, DEF_STR( Unknown ) ) + PORT_DIPNAME( 0x20, 0x00, DEF_STR( Unknown ) ) PORT_DIPLOCATION("SW1:6") PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) PORT_DIPSETTING( 0x20, DEF_STR( On ) ) - PORT_DIPNAME( 0x40, 0x00, "Auto Hold" ) + PORT_DIPNAME( 0x40, 0x00, "Auto Hold" ) PORT_DIPLOCATION("SW1:7") PORT_DIPSETTING( 0x40, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) - PORT_DIPNAME( 0x80, 0x00, "Double-Up Type" ) + PORT_DIPNAME( 0x80, 0x00, "Double-Up Type" ) PORT_DIPLOCATION("SW1:8") PORT_DIPSETTING( 0x00, "Holds" ) PORT_DIPSETTING( 0x80, "Big/Small" ) PORT_START("DSW2") - PORT_DIPNAME( 0x07, 0x00, "Remote" ) + PORT_DIPNAME( 0x07, 0x00, "Remote" ) PORT_DIPLOCATION("SW2:1,2,3") PORT_DIPSETTING( 0x00, "5" ) PORT_DIPSETTING( 0x01, "10" ) PORT_DIPSETTING( 0x02, "20" ) @@ -301,7 +288,7 @@ static INPUT_PORTS_START( chance32 ) PORT_DIPSETTING( 0x05, "50" ) PORT_DIPSETTING( 0x06, "60" ) PORT_DIPSETTING( 0x07, "100" ) - PORT_DIPNAME( 0x38, 0x00, "A-B Coinage Multiplier" ) + PORT_DIPNAME( 0x38, 0x00, "A-B Coinage Multiplier" ) PORT_DIPLOCATION("SW2:4,5,6") PORT_DIPSETTING( 0x00, "x1" ) PORT_DIPSETTING( 0x08, "x2" ) PORT_DIPSETTING( 0x10, "x4" ) @@ -310,66 +297,69 @@ static INPUT_PORTS_START( chance32 ) PORT_DIPSETTING( 0x28, "x10" ) PORT_DIPSETTING( 0x30, "x25" ) PORT_DIPSETTING( 0x38, "x50" ) - PORT_DIPNAME( 0x40, 0x00, "DSW2" ) + PORT_DIPNAME( 0x40, 0x00, "DSW2" ) PORT_DIPLOCATION("SW2:7") PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) PORT_DIPSETTING( 0x40, DEF_STR( On ) ) - PORT_DIPNAME( 0x80, 0x00, DEF_STR( Unknown ) ) + PORT_DIPNAME( 0x80, 0x00, DEF_STR( Unknown ) ) PORT_DIPLOCATION("SW2:8") PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) PORT_DIPSETTING( 0x80, DEF_STR( On ) ) PORT_START("DSW3") - PORT_DIPNAME( 0x01, 0x00, "DSW3" ) + PORT_DIPNAME( 0x01, 0x00, "DSW3" ) PORT_DIPLOCATION("SW3:1") PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) PORT_DIPSETTING( 0x01, DEF_STR( On ) ) - PORT_DIPNAME( 0x02, 0x00, DEF_STR( Unknown ) ) + PORT_DIPNAME( 0x02, 0x00, DEF_STR( Unknown ) ) PORT_DIPLOCATION("SW3:2") PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) PORT_DIPSETTING( 0x02, DEF_STR( On ) ) - PORT_DIPNAME( 0x04, 0x00, DEF_STR( Unknown ) ) + PORT_DIPNAME( 0x04, 0x00, DEF_STR( Unknown ) ) PORT_DIPLOCATION("SW3:3") PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) PORT_DIPSETTING( 0x04, DEF_STR( On ) ) - PORT_DIPNAME( 0x08, 0x00, DEF_STR( Unknown ) ) + PORT_DIPNAME( 0x08, 0x00, DEF_STR( Unknown ) ) PORT_DIPLOCATION("SW3:4") PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) PORT_DIPSETTING( 0x08, DEF_STR( On ) ) - PORT_DIPNAME( 0x10, 0x00, DEF_STR( Unknown ) ) + PORT_DIPNAME( 0x10, 0x00, DEF_STR( Unknown ) ) PORT_DIPLOCATION("SW3:5") PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) PORT_DIPSETTING( 0x10, DEF_STR( On ) ) - PORT_DIPNAME( 0x20, 0x00, DEF_STR( Unknown ) ) + PORT_DIPNAME( 0x20, 0x00, DEF_STR( Unknown ) ) PORT_DIPLOCATION("SW3:6") PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) PORT_DIPSETTING( 0x20, DEF_STR( On ) ) - PORT_DIPNAME( 0x40, 0x00, DEF_STR( Unknown ) ) + PORT_DIPNAME( 0x40, 0x00, DEF_STR( Unknown ) ) PORT_DIPLOCATION("SW3:7") PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) PORT_DIPSETTING( 0x40, DEF_STR( On ) ) - PORT_DIPNAME( 0x80, 0x00, DEF_STR( Unknown ) ) + PORT_DIPNAME( 0x80, 0x00, DEF_STR( Unknown ) ) PORT_DIPLOCATION("SW3:8") PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) PORT_DIPSETTING( 0x80, DEF_STR( On ) ) PORT_START("DSW4") - PORT_DIPNAME( 0x01, 0x00, "DSW4" ) + PORT_DIPNAME( 0x01, 0x00, "DSW4" ) PORT_DIPLOCATION("SW4:1") PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) PORT_DIPSETTING( 0x01, DEF_STR( On ) ) - PORT_DIPNAME( 0x06, 0x00, "Bet Limit" ) + PORT_DIPNAME( 0x06, 0x00, "Bet Limit" ) PORT_DIPLOCATION("SW4:2,3") PORT_DIPSETTING( 0x00, "5000" ) PORT_DIPSETTING( 0x02, "10000" ) PORT_DIPSETTING( 0x04, "20000" ) PORT_DIPSETTING( 0x06, "30000" ) - PORT_DIPNAME( 0x08, 0x00, DEF_STR( Unknown ) ) + PORT_DIPNAME( 0x08, 0x00, DEF_STR( Unknown ) ) PORT_DIPLOCATION("SW4:4") PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) PORT_DIPSETTING( 0x08, DEF_STR( On ) ) - PORT_DIPNAME( 0x10, 0x00, DEF_STR( Unknown ) ) + PORT_DIPNAME( 0x10, 0x00, DEF_STR( Unknown ) ) PORT_DIPLOCATION("SW4:5") PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) PORT_DIPSETTING( 0x10, DEF_STR( On ) ) - PORT_DIPNAME( 0x20, 0x00, DEF_STR( Unknown ) ) + PORT_DIPNAME( 0x20, 0x00, DEF_STR( Unknown ) ) PORT_DIPLOCATION("SW4:6") PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) PORT_DIPSETTING( 0x20, DEF_STR( On ) ) - PORT_DIPNAME( 0x40, 0x00, DEF_STR( Unknown ) ) + PORT_DIPNAME( 0x40, 0x00, DEF_STR( Unknown ) ) PORT_DIPLOCATION("SW4:7") PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) PORT_DIPSETTING( 0x40, DEF_STR( On ) ) - PORT_DIPNAME( 0x80, 0x00, DEF_STR( Unknown ) ) + PORT_DIPNAME( 0x80, 0x00, DEF_STR( Unknown ) ) PORT_DIPLOCATION("SW4:8") PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) PORT_DIPSETTING( 0x80, DEF_STR( On ) ) + // TODO: sixth DIP bank? PORT_START("UNK") - PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_CUSTOM ) PORT_VBLANK("screen") /* Otherwise is a 'Freeze' DIP switch */ + PORT_DIPNAME( 0x01, 0x00, "Freeze?" ) // checked at end of irq routine + PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x01, DEF_STR( On ) ) PORT_DIPNAME( 0x02, 0x00, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) PORT_DIPSETTING( 0x02, DEF_STR( On ) ) @@ -428,8 +418,9 @@ static INPUT_PORTS_START( chance32 ) PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_UNKNOWN ) PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_MEMORY_RESET ) PORT_NAME("Reset") PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_COIN2 ) PORT_IMPULSE(3) PORT_NAME("Coin B") - PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_SERVICE1 ) PORT_CODE(KEYCODE_8) PORT_NAME("Flip Screen 1") /* unknown purpose */ - PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_SERVICE1 ) PORT_CODE(KEYCODE_9) PORT_NAME("Flip Screen 2") /* unknown purpose */ + // both acts as a flip toggle, game intended for a cocktail cabinet? + PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_NAME("Flip Screen 1") + PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_NAME("Flip Screen 2") PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_GAMBLE_KEYIN) INPUT_PORTS_END @@ -439,9 +430,9 @@ static const gfx_layout tiles8x8_layout = 16,8, RGN_FRAC(1,1), 8, - { 0, 1, 2, 3,4,5,6,7 }, - { 15*8, 14*8, 13*8, 12*8, 11*8, 10*8, 9*8, 8*8, 7*8, 6*8, 5*8, 4*8, 3*8, 2*8, 1*8, 0*8 }, - { 7*128, 6*128, 5*128, 4*128, 3*128, 2*128, 1*128, 0*128 }, + { STEP8(0, 1) }, + { STEP16(15*8, -8) }, + { STEP8(7*128, -128) }, 128*8 }; @@ -463,22 +454,20 @@ void chance32_state::machine_reset() void chance32_state::chance32(machine_config &config) { - /* basic machine hardware */ Z80(config, m_maincpu, 12000000/2); - m_maincpu->set_addrmap(AS_PROGRAM, &chance32_state::chance32_map); - m_maincpu->set_addrmap(AS_IO, &chance32_state::chance32_portmap); + m_maincpu->set_addrmap(AS_PROGRAM, &chance32_state::main_map); + m_maincpu->set_addrmap(AS_IO, &chance32_state::main_io); m_maincpu->set_vblank_int("screen", FUNC(chance32_state::irq0_line_hold)); - /* video hardware */ screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER)); screen.set_refresh_hz(52.786); // screen.set_refresh_hz(60); screen.set_vblank_time(ATTOSECONDS_IN_USEC(0)); screen.set_size(40*16, 32*8); screen.set_visarea(0, 35*16-1, 0, 29*8-1); - screen.set_screen_update(FUNC(chance32_state::screen_update_chance32)); + screen.set_screen_update(FUNC(chance32_state::screen_update)); - hd6845s_device &crtc(HD6845S(config, "crtc", 12000000/16)); /* 52.786 Hz (similar to Major Poker) */ + hd6845s_device &crtc(HD6845S(config, "crtc", 12000000/16)); // 52.786 Hz (similar to Major Poker) crtc.set_screen("screen"); crtc.set_show_border_area(false); crtc.set_char_width(16); @@ -486,7 +475,6 @@ void chance32_state::chance32(machine_config &config) GFXDECODE(config, m_gfxdecode, "palette", gfx_chance32); PALETTE(config, "palette").set_format(palette_device::xGRB_555, 0x800); - /* sound hardware */ SPEAKER(config, "mono").front_center(); /* clock at 1050 kHz match the 8000 Hz samples stored inside the ROM */ |