mirror of
https://github.com/holub/mame
synced 2025-04-23 00:39:36 +03:00
homerun.cpp : Cleanups / Updates
Use update_partial/tilemap mark_all_dirty when only GFX bank is changed, Fix namings, Use palette decoder for color Move video related save_item into video_start, Reduce unnecessary lines, Fix reset behavior, Reduce runtime tag lookups, Simplified gfxdecodes, Bankswitched areas, Fix spacings
This commit is contained in:
cam900
parent
df07c7bb01
commit
0d5e4f03b7
@ -66,7 +66,7 @@ Notes:
|
||||
|
||||
***************************************************************************/
|
||||
|
||||
WRITE8_MEMBER(homerun_state::homerun_control_w)
|
||||
void homerun_state::control_w(u8 data)
|
||||
{
|
||||
// d0, d1: somehow related to port $40?
|
||||
|
||||
@ -95,7 +95,7 @@ WRITE8_MEMBER(homerun_state::homerun_control_w)
|
||||
m_control = data;
|
||||
}
|
||||
|
||||
WRITE8_MEMBER(homerun_state::homerun_d7756_sample_w)
|
||||
void homerun_state::d7756_sample_w(u8 data)
|
||||
{
|
||||
m_sample = data;
|
||||
|
||||
@ -103,21 +103,21 @@ WRITE8_MEMBER(homerun_state::homerun_d7756_sample_w)
|
||||
m_d7756->port_w(data);
|
||||
}
|
||||
|
||||
void homerun_state::homerun_memmap(address_map &map)
|
||||
void homerun_state::mem_map(address_map &map)
|
||||
{
|
||||
map(0x0000, 0x3fff).rom();
|
||||
map(0x4000, 0x7fff).bankr("bank1");
|
||||
map(0x8000, 0x9fff).ram().w(FUNC(homerun_state::homerun_videoram_w)).share("videoram");
|
||||
map(0x4000, 0x7fff).bankr("mainbank");
|
||||
map(0x8000, 0x9fff).ram().w(FUNC(homerun_state::videoram_w)).share("videoram");
|
||||
map(0xa000, 0xa0ff).ram().share("spriteram");
|
||||
map(0xb000, 0xb03f).ram().w(FUNC(homerun_state::homerun_color_w)).share("colorram");
|
||||
map(0xb000, 0xb03f).ram().w(m_palette, FUNC(palette_device::write8)).share("palette");
|
||||
map(0xc000, 0xdfff).ram();
|
||||
}
|
||||
|
||||
void homerun_state::homerun_iomap(address_map &map)
|
||||
void homerun_state::io_map(address_map &map)
|
||||
{
|
||||
map.global_mask(0xff);
|
||||
map(0x10, 0x10).w(FUNC(homerun_state::homerun_d7756_sample_w));
|
||||
map(0x20, 0x20).w(FUNC(homerun_state::homerun_control_w));
|
||||
map(0x10, 0x10).w(FUNC(homerun_state::d7756_sample_w));
|
||||
map(0x20, 0x20).w(FUNC(homerun_state::control_w));
|
||||
map(0x30, 0x33).rw("ppi8255", FUNC(i8255_device::read), FUNC(i8255_device::write));
|
||||
map(0x40, 0x40).portr("IN0");
|
||||
map(0x50, 0x50).portr("IN2");
|
||||
@ -152,7 +152,7 @@ CUSTOM_INPUT_MEMBER(homerun_state::ganjaja_hopper_status_r)
|
||||
static INPUT_PORTS_START( homerun )
|
||||
PORT_START("IN0")
|
||||
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_COIN1 )
|
||||
PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_CUSTOM ) PORT_CUSTOM_MEMBER(DEVICE_SELF, homerun_state, homerun_sprite0_r, nullptr)
|
||||
PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_CUSTOM ) PORT_CUSTOM_MEMBER(DEVICE_SELF, homerun_state, sprite0_r, nullptr)
|
||||
PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_CUSTOM ) PORT_CUSTOM_MEMBER(DEVICE_SELF, homerun_state, homerun_d7756_busy_r, nullptr)
|
||||
PORT_BIT( 0x37, IP_ACTIVE_HIGH, IPT_UNKNOWN )
|
||||
|
||||
@ -189,7 +189,7 @@ INPUT_PORTS_END
|
||||
static INPUT_PORTS_START( dynashot )
|
||||
PORT_START("IN0")
|
||||
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_COIN1 )
|
||||
PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_CUSTOM ) PORT_CUSTOM_MEMBER(DEVICE_SELF, homerun_state, homerun_sprite0_r, nullptr)
|
||||
PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_CUSTOM ) PORT_CUSTOM_MEMBER(DEVICE_SELF, homerun_state, sprite0_r, nullptr)
|
||||
PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_UNUSED ) // doesn't have d7756
|
||||
PORT_BIT( 0x37, IP_ACTIVE_HIGH, IPT_UNKNOWN )
|
||||
|
||||
@ -227,7 +227,7 @@ static INPUT_PORTS_START( ganjaja )
|
||||
PORT_START("IN0")
|
||||
PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_UNKNOWN ) // ?
|
||||
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_COIN1 )
|
||||
PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_CUSTOM ) PORT_CUSTOM_MEMBER(DEVICE_SELF, homerun_state, homerun_sprite0_r, nullptr)
|
||||
PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_CUSTOM ) PORT_CUSTOM_MEMBER(DEVICE_SELF, homerun_state, sprite0_r, nullptr)
|
||||
PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_CUSTOM ) PORT_CUSTOM_MEMBER(DEVICE_SELF, homerun_state, ganjaja_d7756_busy_r, nullptr)
|
||||
PORT_BIT( 0x36, IP_ACTIVE_HIGH, IPT_UNKNOWN )
|
||||
|
||||
@ -301,8 +301,8 @@ static const gfx_layout gfxlayout =
|
||||
RGN_FRAC(1,1),
|
||||
2,
|
||||
{ 8*8,0},
|
||||
{ 0, 1, 2, 3, 4, 5, 6, 7},
|
||||
{ 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8},
|
||||
{ STEP8(0,1) },
|
||||
{ STEP8(0,8) },
|
||||
8*8*2
|
||||
};
|
||||
|
||||
@ -311,15 +311,15 @@ static const gfx_layout spritelayout =
|
||||
16,16,
|
||||
RGN_FRAC(1,1),
|
||||
2,
|
||||
{ 8*8,0},
|
||||
{ 0, 1, 2, 3, 4, 5, 6, 7,0+8*8*2,1+8*8*2,2+8*8*2,3+8*8*2,4+8*8*2,5+8*8*2,6+8*8*2,7+8*8*2},
|
||||
{ 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8, 0*8+2*8*8*2,1*8+2*8*8*2,2*8+2*8*8*2,3*8+2*8*8*2,4*8+2*8*8*2,5*8+2*8*8*2,6*8+2*8*8*2,7*8+2*8*8*2},
|
||||
{ 8*8,0 },
|
||||
{ STEP8(0,1), STEP8(8*8*2,1) },
|
||||
{ STEP8(0,8), STEP8(8*8*2*2,8) },
|
||||
8*8*2*4
|
||||
};
|
||||
|
||||
static GFXDECODE_START( gfx_homerun )
|
||||
GFXDECODE_ENTRY( "gfx1", 0, gfxlayout, 0, 16 )
|
||||
GFXDECODE_ENTRY( "gfx2", 0, spritelayout, 0, 16 )
|
||||
GFXDECODE_ENTRY( "gfx1", 0, gfxlayout, 0, 16 )
|
||||
GFXDECODE_ENTRY( "gfx2", 0, spritelayout, 0, 16 )
|
||||
GFXDECODE_END
|
||||
|
||||
|
||||
@ -327,23 +327,19 @@ GFXDECODE_END
|
||||
|
||||
void homerun_state::machine_start()
|
||||
{
|
||||
uint8_t *ROM = memregion("maincpu")->base();
|
||||
u8 *ROM = memregion("maincpu")->base();
|
||||
|
||||
membank("bank1")->configure_entry(0, &ROM[0x00000]);
|
||||
membank("bank1")->configure_entries(1, 7, &ROM[0x10000], 0x4000);
|
||||
m_mainbank->configure_entries(0, 8, &ROM[0x00000], 0x4000);
|
||||
|
||||
save_item(NAME(m_control));
|
||||
save_item(NAME(m_sample));
|
||||
save_item(NAME(m_gfx_ctrl));
|
||||
save_item(NAME(m_scrolly));
|
||||
save_item(NAME(m_scrollx));
|
||||
}
|
||||
|
||||
void homerun_state::machine_reset()
|
||||
{
|
||||
m_control = 0;
|
||||
m_sample = 0;
|
||||
m_gfx_ctrl = 0;
|
||||
control_w(0);
|
||||
d7756_sample_w(0);
|
||||
banking_w(0);
|
||||
m_scrolly = 0;
|
||||
m_scrollx = 0;
|
||||
}
|
||||
@ -354,30 +350,30 @@ void homerun_state::dynashot(machine_config &config)
|
||||
{
|
||||
/* basic machine hardware */
|
||||
Z80(config, m_maincpu, XTAL(20'000'000)/4);
|
||||
m_maincpu->set_addrmap(AS_PROGRAM, &homerun_state::homerun_memmap);
|
||||
m_maincpu->set_addrmap(AS_IO, &homerun_state::homerun_iomap);
|
||||
m_maincpu->set_addrmap(AS_PROGRAM, &homerun_state::mem_map);
|
||||
m_maincpu->set_addrmap(AS_IO, &homerun_state::io_map);
|
||||
m_maincpu->set_vblank_int("screen", FUNC(homerun_state::irq0_line_hold));
|
||||
|
||||
i8255_device &ppi(I8255A(config, "ppi8255"));
|
||||
ppi.out_pa_callback().set(FUNC(homerun_state::homerun_scrollhi_w));
|
||||
ppi.out_pb_callback().set(FUNC(homerun_state::homerun_scrolly_w));
|
||||
ppi.out_pc_callback().set(FUNC(homerun_state::homerun_scrollx_w));
|
||||
ppi.out_pa_callback().set(FUNC(homerun_state::scrollhi_w));
|
||||
ppi.out_pb_callback().set(FUNC(homerun_state::scrolly_w));
|
||||
ppi.out_pc_callback().set(FUNC(homerun_state::scrollx_w));
|
||||
|
||||
/* video hardware */
|
||||
SCREEN(config, m_screen, SCREEN_TYPE_RASTER);
|
||||
m_screen->set_raw(XTAL(20'000'000)/4,328,0,256,253,0,240);
|
||||
m_screen->set_screen_update(FUNC(homerun_state::screen_update_homerun));
|
||||
m_screen->set_screen_update(FUNC(homerun_state::screen_update));
|
||||
m_screen->set_palette(m_palette);
|
||||
|
||||
GFXDECODE(config, m_gfxdecode, m_palette, gfx_homerun);
|
||||
PALETTE(config, m_palette).set_entries(16*4);
|
||||
PALETTE(config, m_palette).set_format(1, &homerun_state::homerun_RGB332, 16*4);
|
||||
|
||||
/* sound hardware */
|
||||
SPEAKER(config, "mono").front_center();
|
||||
|
||||
ym2203_device &ymsnd(YM2203(config, "ymsnd", XTAL(20'000'000)/8));
|
||||
ymsnd.port_a_read_callback().set_ioport("DSW");
|
||||
ymsnd.port_b_write_callback().set(FUNC(homerun_state::homerun_banking_w));
|
||||
ymsnd.port_b_write_callback().set(FUNC(homerun_state::banking_w));
|
||||
ymsnd.add_route(ALL_OUTPUTS, "mono", 0.50);
|
||||
}
|
||||
|
||||
@ -412,9 +408,8 @@ void homerun_state::ganjaja(machine_config &config)
|
||||
/**************************************************************************/
|
||||
|
||||
ROM_START( homerun )
|
||||
ROM_REGION( 0x30000, "maincpu", 0 )
|
||||
ROM_LOAD( "homerun.ic43", 0x00000, 0x04000, CRC(e759e476) SHA1(ad4f356ff26209033320a3e6353e4d4d9beb59c1) )
|
||||
ROM_CONTINUE( 0x10000, 0x1c000)
|
||||
ROM_REGION( 0x20000, "maincpu", 0 )
|
||||
ROM_LOAD( "homerun.ic43", 0x00000, 0x20000, CRC(e759e476) SHA1(ad4f356ff26209033320a3e6353e4d4d9beb59c1) )
|
||||
|
||||
ROM_REGION( 0x10000, "gfx1", 0 )
|
||||
ROM_LOAD( "homerun.ic60", 0x00000, 0x10000, CRC(69a720d1) SHA1(0f0a4877578f358e9e829ece8c31e23f01adcf83) )
|
||||
@ -427,9 +422,8 @@ ROM_START( homerun )
|
||||
ROM_END
|
||||
|
||||
ROM_START( nhomerun )
|
||||
ROM_REGION( 0x30000, "maincpu", 0 )
|
||||
ROM_LOAD( "1.ic43", 0x00000, 0x04000, CRC(aed96d6d) SHA1(5cb3932f4cfa3f6c0134ac20a1747c562db31a65) )
|
||||
ROM_CONTINUE( 0x10000, 0x1c000)
|
||||
ROM_REGION( 0x20000, "maincpu", 0 )
|
||||
ROM_LOAD( "1.ic43", 0x00000, 0x20000, CRC(aed96d6d) SHA1(5cb3932f4cfa3f6c0134ac20a1747c562db31a65) )
|
||||
|
||||
ROM_REGION( 0x10000, "gfx1", 0 )
|
||||
ROM_LOAD( "3.ic60", 0x00000, 0x10000, CRC(69a720d1) SHA1(0f0a4877578f358e9e829ece8c31e23f01adcf83) )
|
||||
@ -442,9 +436,8 @@ ROM_START( nhomerun )
|
||||
ROM_END
|
||||
|
||||
ROM_START( dynashot )
|
||||
ROM_REGION( 0x30000, "maincpu", 0 )
|
||||
ROM_LOAD( "1.ic43", 0x00000, 0x04000, CRC(bf3c9586) SHA1(439effbda305f5fa265e5897c81dc1447e5d867d) )
|
||||
ROM_CONTINUE( 0x10000, 0x1c000)
|
||||
ROM_REGION( 0x20000, "maincpu", 0 )
|
||||
ROM_LOAD( "1.ic43", 0x00000, 0x20000, CRC(bf3c9586) SHA1(439effbda305f5fa265e5897c81dc1447e5d867d) )
|
||||
|
||||
ROM_REGION( 0x10000, "gfx1", 0 )
|
||||
ROM_LOAD( "3.ic60", 0x00000, 0x10000, CRC(77d6a608) SHA1(a31ff343a5d4d6f20301c030ecc2e252149bcf9d) )
|
||||
@ -455,9 +448,8 @@ ROM_END
|
||||
|
||||
|
||||
ROM_START( ganjaja )
|
||||
ROM_REGION( 0x30000, "maincpu", 0 )
|
||||
ROM_LOAD( "1.ic43", 0x00000, 0x04000, CRC(dad57543) SHA1(dbd8b5cee33756ee5e3c41bf84c0f7141d3466dc) )
|
||||
ROM_CONTINUE( 0x10000, 0x1c000)
|
||||
ROM_REGION( 0x20000, "maincpu", 0 )
|
||||
ROM_LOAD( "1.ic43", 0x00000, 0x20000, CRC(dad57543) SHA1(dbd8b5cee33756ee5e3c41bf84c0f7141d3466dc) )
|
||||
|
||||
ROM_REGION( 0x10000, "gfx1", 0 )
|
||||
ROM_LOAD( "ic60", 0x00000, 0x10000, CRC(855f6b28) SHA1(386411e88cf9bed54fe2073f0828d579cb1d04ee) )
|
||||
|
||||
@ -14,62 +14,65 @@
|
||||
class homerun_state : public driver_device
|
||||
{
|
||||
public:
|
||||
homerun_state(const machine_config &mconfig, device_type type, const char *tag)
|
||||
: driver_device(mconfig, type, tag),
|
||||
homerun_state(const machine_config &mconfig, device_type type, const char *tag) :
|
||||
driver_device(mconfig, type, tag),
|
||||
m_maincpu(*this, "maincpu"),
|
||||
m_videoram(*this, "videoram"),
|
||||
m_spriteram(*this, "spriteram"),
|
||||
m_colorram(*this, "colorram"),
|
||||
m_d7756(*this, "d7756"),
|
||||
m_samples(*this, "samples"),
|
||||
m_gfxdecode(*this, "gfxdecode"),
|
||||
m_screen(*this, "screen"),
|
||||
m_palette(*this, "palette")
|
||||
m_palette(*this, "palette"),
|
||||
m_mainbank(*this, "mainbank")
|
||||
{ }
|
||||
|
||||
void ganjaja(machine_config &config);
|
||||
void dynashot(machine_config &config);
|
||||
void homerun(machine_config &config);
|
||||
|
||||
DECLARE_CUSTOM_INPUT_MEMBER(homerun_sprite0_r);
|
||||
DECLARE_CUSTOM_INPUT_MEMBER(sprite0_r);
|
||||
DECLARE_CUSTOM_INPUT_MEMBER(homerun_d7756_busy_r);
|
||||
DECLARE_CUSTOM_INPUT_MEMBER(ganjaja_d7756_busy_r);
|
||||
DECLARE_CUSTOM_INPUT_MEMBER(ganjaja_hopper_status_r);
|
||||
|
||||
protected:
|
||||
virtual void machine_start() override;
|
||||
virtual void machine_reset() override;
|
||||
virtual void video_start() override;
|
||||
|
||||
private:
|
||||
required_device<cpu_device> m_maincpu;
|
||||
required_shared_ptr<uint8_t> m_videoram;
|
||||
required_shared_ptr<uint8_t> m_spriteram;
|
||||
required_shared_ptr<uint8_t> m_colorram;
|
||||
required_shared_ptr<u8> m_videoram;
|
||||
required_shared_ptr<u8> m_spriteram;
|
||||
optional_device<upd7756_device> m_d7756;
|
||||
optional_device<samples_device> m_samples;
|
||||
required_device<gfxdecode_device> m_gfxdecode;
|
||||
required_device<screen_device> m_screen;
|
||||
required_device<palette_device> m_palette;
|
||||
|
||||
uint8_t m_control;
|
||||
uint8_t m_sample;
|
||||
required_memory_bank m_mainbank;
|
||||
|
||||
u8 m_control;
|
||||
u8 m_sample;
|
||||
|
||||
tilemap_t *m_tilemap;
|
||||
int m_gfx_ctrl;
|
||||
int m_scrollx;
|
||||
int m_scrolly;
|
||||
|
||||
DECLARE_WRITE8_MEMBER(homerun_control_w);
|
||||
DECLARE_WRITE8_MEMBER(homerun_d7756_sample_w);
|
||||
DECLARE_WRITE8_MEMBER(homerun_videoram_w);
|
||||
DECLARE_WRITE8_MEMBER(homerun_color_w);
|
||||
DECLARE_WRITE8_MEMBER(homerun_scrollhi_w);
|
||||
DECLARE_WRITE8_MEMBER(homerun_scrolly_w);
|
||||
DECLARE_WRITE8_MEMBER(homerun_scrollx_w);
|
||||
void control_w(u8 data);
|
||||
void d7756_sample_w(u8 data);
|
||||
DECLARE_WRITE8_MEMBER(videoram_w);
|
||||
DECLARE_WRITE8_MEMBER(scrollhi_w);
|
||||
DECLARE_WRITE8_MEMBER(scrolly_w);
|
||||
DECLARE_WRITE8_MEMBER(scrollx_w);
|
||||
|
||||
TILE_GET_INFO_MEMBER(get_homerun_tile_info);
|
||||
virtual void machine_start() override;
|
||||
virtual void machine_reset() override;
|
||||
virtual void video_start() override;
|
||||
uint32_t screen_update_homerun(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
|
||||
DECLARE_WRITE8_MEMBER(homerun_banking_w);
|
||||
void draw_sprites( bitmap_ind16 &bitmap, const rectangle &cliprect );
|
||||
void homerun_iomap(address_map &map);
|
||||
void homerun_memmap(address_map &map);
|
||||
static rgb_t homerun_RGB332(u32 raw);
|
||||
TILE_GET_INFO_MEMBER(get_tile_info);
|
||||
u32 screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
|
||||
void banking_w(u8 data);
|
||||
void draw_sprites(bitmap_ind16 &bitmap, const rectangle &cliprect);
|
||||
void io_map(address_map &map);
|
||||
void mem_map(address_map &map);
|
||||
};
|
||||
|
||||
@ -12,13 +12,13 @@
|
||||
|
||||
/**************************************************************************/
|
||||
|
||||
CUSTOM_INPUT_MEMBER(homerun_state::homerun_sprite0_r)
|
||||
CUSTOM_INPUT_MEMBER(homerun_state::sprite0_r)
|
||||
{
|
||||
// sprite-0 vs background collision status, similar to NES
|
||||
return (m_screen->vpos() > (m_spriteram[0] - 16 + 1)) ? 1 : 0;
|
||||
}
|
||||
|
||||
WRITE8_MEMBER(homerun_state::homerun_scrollhi_w)
|
||||
WRITE8_MEMBER(homerun_state::scrollhi_w)
|
||||
{
|
||||
// d0: scroll y high bit
|
||||
// d1: scroll x high bit
|
||||
@ -27,40 +27,49 @@ WRITE8_MEMBER(homerun_state::homerun_scrollhi_w)
|
||||
m_scrollx = (m_scrollx & 0xff) | (data << 7 & 0x100);
|
||||
}
|
||||
|
||||
WRITE8_MEMBER(homerun_state::homerun_scrolly_w)
|
||||
WRITE8_MEMBER(homerun_state::scrolly_w)
|
||||
{
|
||||
m_scrolly = (m_scrolly & 0xff00) | data;
|
||||
}
|
||||
|
||||
WRITE8_MEMBER(homerun_state::homerun_scrollx_w)
|
||||
WRITE8_MEMBER(homerun_state::scrollx_w)
|
||||
{
|
||||
m_scrollx = (m_scrollx & 0xff00) | data;
|
||||
}
|
||||
|
||||
WRITE8_MEMBER(homerun_state::homerun_banking_w)
|
||||
void homerun_state::banking_w(u8 data)
|
||||
{
|
||||
// games do mid-screen gfx bank switching
|
||||
int vpos = m_screen->vpos();
|
||||
m_screen->update_partial(vpos);
|
||||
u8 const old = m_gfx_ctrl;
|
||||
if (old ^ data)
|
||||
{
|
||||
if ((old ^ data) & 3)
|
||||
{
|
||||
// games do mid-screen gfx bank switching
|
||||
int vpos = m_screen->vpos();
|
||||
m_screen->update_partial(vpos);
|
||||
}
|
||||
|
||||
// d0-d1: gfx bank
|
||||
// d2-d4: ?
|
||||
// d5-d7: prg bank
|
||||
m_gfx_ctrl = data;
|
||||
m_tilemap->mark_all_dirty();
|
||||
membank("bank1")->set_entry(data >> 5 & 7);
|
||||
// d0-d1: gfx bank
|
||||
// d2-d4: ?
|
||||
// d5-d7: prg bank
|
||||
m_gfx_ctrl = data;
|
||||
if ((old ^ m_gfx_ctrl) & 1)
|
||||
m_tilemap->mark_all_dirty();
|
||||
|
||||
if ((old ^ m_gfx_ctrl) >> 5 & 7)
|
||||
m_mainbank->set_entry(m_gfx_ctrl >> 5 & 7);
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
WRITE8_MEMBER(homerun_state::homerun_videoram_w)
|
||||
WRITE8_MEMBER(homerun_state::videoram_w)
|
||||
{
|
||||
m_videoram[offset] = data;
|
||||
m_tilemap->mark_tile_dirty(offset & 0xfff);
|
||||
}
|
||||
|
||||
WRITE8_MEMBER(homerun_state::homerun_color_w)
|
||||
rgb_t homerun_state::homerun_RGB332(u32 raw)
|
||||
{
|
||||
m_colorram[offset] = data;
|
||||
|
||||
/* from PCB photo:
|
||||
bit 7: 470 ohm resistor \
|
||||
bit 6: 220 ohm resistor - --> 470 ohm resistor --> blue
|
||||
@ -73,32 +82,30 @@ WRITE8_MEMBER(homerun_state::homerun_color_w)
|
||||
*/
|
||||
|
||||
// let's implement it the old fashioned way until it's found out how exactly the resnet is hooked up
|
||||
int r, g, b;
|
||||
int bit0, bit1, bit2;
|
||||
u8 bit0, bit1, bit2;
|
||||
|
||||
bit0 = (data >> 0) & 0x01;
|
||||
bit1 = (data >> 1) & 0x01;
|
||||
bit2 = (data >> 2) & 0x01;
|
||||
r = 0x21 * bit0 + 0x47 * bit1 + 0x97 * bit2;
|
||||
bit0 = (data >> 3) & 0x01;
|
||||
bit1 = (data >> 4) & 0x01;
|
||||
bit2 = (data >> 5) & 0x01;
|
||||
g = 0x21 * bit0 + 0x47 * bit1 + 0x97 * bit2;
|
||||
bit0 = (raw >> 0) & 0x01;
|
||||
bit1 = (raw >> 1) & 0x01;
|
||||
bit2 = (raw >> 2) & 0x01;
|
||||
int r = 0x21 * bit0 + 0x47 * bit1 + 0x97 * bit2;
|
||||
bit0 = (raw >> 3) & 0x01;
|
||||
bit1 = (raw >> 4) & 0x01;
|
||||
bit2 = (raw >> 5) & 0x01;
|
||||
int g = 0x21 * bit0 + 0x47 * bit1 + 0x97 * bit2;
|
||||
bit0 = 0;
|
||||
bit1 = (data >> 6) & 0x01;
|
||||
bit2 = (data >> 7) & 0x01;
|
||||
b = 0x21 * bit0 + 0x47 * bit1 + 0x97 * bit2;
|
||||
bit1 = (raw >> 6) & 0x01;
|
||||
bit2 = (raw >> 7) & 0x01;
|
||||
int b = 0x21 * bit0 + 0x47 * bit1 + 0x97 * bit2;
|
||||
|
||||
m_palette->set_pen_color(offset, rgb_t(r,g,b));
|
||||
return rgb_t(r, g, b);
|
||||
}
|
||||
|
||||
|
||||
/**************************************************************************/
|
||||
|
||||
TILE_GET_INFO_MEMBER(homerun_state::get_homerun_tile_info)
|
||||
TILE_GET_INFO_MEMBER(homerun_state::get_tile_info)
|
||||
{
|
||||
int tileno = (m_videoram[tile_index]) | ((m_videoram[tile_index | 0x1000] & 0x38) << 5) | ((m_gfx_ctrl & 1) << 11);
|
||||
int palno = (m_videoram[tile_index | 0x1000] & 0x07);
|
||||
u32 const tileno = (m_videoram[tile_index]) | ((m_videoram[tile_index | 0x1000] & 0x38) << 5) | ((m_gfx_ctrl & 1) << 11);
|
||||
u16 const palno = (m_videoram[tile_index | 0x1000] & 0x07);
|
||||
|
||||
SET_TILE_INFO_MEMBER(0, tileno, palno, 0);
|
||||
}
|
||||
@ -106,26 +113,27 @@ TILE_GET_INFO_MEMBER(homerun_state::get_homerun_tile_info)
|
||||
|
||||
void homerun_state::video_start()
|
||||
{
|
||||
m_tilemap = &machine().tilemap().create(*m_gfxdecode, tilemap_get_info_delegate(FUNC(homerun_state::get_homerun_tile_info),this), TILEMAP_SCAN_ROWS, 8, 8, 64, 64);
|
||||
m_tilemap = &machine().tilemap().create(*m_gfxdecode, tilemap_get_info_delegate(FUNC(homerun_state::get_tile_info),this), TILEMAP_SCAN_ROWS, 8, 8, 64, 64);
|
||||
|
||||
save_item(NAME(m_gfx_ctrl));
|
||||
save_item(NAME(m_scrolly));
|
||||
save_item(NAME(m_scrollx));
|
||||
}
|
||||
|
||||
|
||||
void homerun_state::draw_sprites( bitmap_ind16 &bitmap, const rectangle &cliprect )
|
||||
void homerun_state::draw_sprites(bitmap_ind16 &bitmap, const rectangle &cliprect)
|
||||
{
|
||||
uint8_t *spriteram = m_spriteram;
|
||||
int offs;
|
||||
|
||||
for (offs = m_spriteram.bytes() - 4; offs >= 0; offs -= 4)
|
||||
for (int offs = m_spriteram.bytes() - 4; offs >= 0; offs -= 4)
|
||||
{
|
||||
if (spriteram[offs + 0] == 0)
|
||||
if (m_spriteram[offs + 0] == 0)
|
||||
continue;
|
||||
|
||||
int sy = spriteram[offs + 0] - 16 + 1;
|
||||
int sx = spriteram[offs + 3];
|
||||
int code = (spriteram[offs + 1]) | ((spriteram[offs + 2] & 0x8) << 5) | ((m_gfx_ctrl & 3) << 9);
|
||||
int color = (spriteram[offs + 2] & 0x07) | 8;
|
||||
int flipx = (spriteram[offs + 2] & 0x40) >> 6;
|
||||
int flipy = (spriteram[offs + 2] & 0x80) >> 7;
|
||||
int const sy = m_spriteram[offs + 0] - 16 + 1;
|
||||
int const sx = m_spriteram[offs + 3];
|
||||
u32 const code = (m_spriteram[offs + 1]) | ((m_spriteram[offs + 2] & 0x8) << 5) | ((m_gfx_ctrl & 3) << 9);
|
||||
u32 const color = (m_spriteram[offs + 2] & 0x07) | 8;
|
||||
bool const flipx = (m_spriteram[offs + 2] & 0x40) >> 6;
|
||||
bool const flipy = (m_spriteram[offs + 2] & 0x80) >> 7;
|
||||
|
||||
if (sy >= 0)
|
||||
{
|
||||
@ -137,7 +145,7 @@ void homerun_state::draw_sprites( bitmap_ind16 &bitmap, const rectangle &cliprec
|
||||
}
|
||||
}
|
||||
|
||||
uint32_t homerun_state::screen_update_homerun(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
|
||||
u32 homerun_state::screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
|
||||
{
|
||||
m_tilemap->set_scrolly(0, m_scrolly);
|
||||
m_tilemap->set_scrollx(0, m_scrollx);
|
||||
|
||||
Loading…
Reference in New Issue
Block a user