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aristocrat/caswin.cpp: cleanups

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This commit is contained in:
angelosa 2024-06-18 19:57:50 +02:00
parent 88f70913f4
commit 3e20a65eef
1 changed files with 74 additions and 69 deletions
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143
src/mame/aristocrat/caswin.cpp
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@ -82,37 +82,38 @@ namespace {
class caswin_state : public driver_device
{
public:
caswin_state(const machine_config &mconfig, device_type type, const char *tag) :
driver_device(mconfig, type, tag),
m_sc0_vram(*this, "sc0_vram"),
m_sc0_attr(*this, "sc0_attr"),
m_maincpu(*this, "maincpu"),
m_gfxdecode(*this, "gfxdecode"),
m_lamps(*this, "lamp%u", 0U)
caswin_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag)
, m_vram(*this, "vram")
, m_attr(*this, "attr")
, m_maincpu(*this, "maincpu")
, m_gfxdecode(*this, "gfxdecode")
, m_lamps(*this, "lamp%u", 0U)
{ }
void vvillage(machine_config &config);
protected:
void sc0_vram_w(offs_t offset, uint8_t data);
void sc0_attr_w(offs_t offset, uint8_t data);
void vvillage_scroll_w(uint8_t data);
void vvillage_vregs_w(uint8_t data);
uint8_t vvillage_rng_r();
void vvillage_output_w(uint8_t data);
void vvillage_lamps_w(uint8_t data);
TILE_GET_INFO_MEMBER(get_sc0_tile_info);
void caswin_palette(palette_device &palette) const;
uint32_t screen_update_vvillage(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
virtual void video_start() override;
void vvillage_io(address_map &map);
void vvillage_mem(address_map &map);
private:
required_shared_ptr<uint8_t> m_sc0_vram;
required_shared_ptr<uint8_t> m_sc0_attr;
tilemap_t *m_sc0_tilemap = nullptr;
void vram_w(offs_t offset, uint8_t data);
void attr_w(offs_t offset, uint8_t data);
void base_scroll_w(uint8_t data);
void vregs_w(uint8_t data);
uint8_t rng_r();
void coin_meters_w(uint8_t data);
void lamps_w(uint8_t data);
TILE_GET_INFO_MEMBER(get_tile_info);
void palette_init(palette_device &palette) const;
uint32_t screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
void main_io(address_map &map);
void main_map(address_map &map);
required_shared_ptr<uint8_t> m_vram;
required_shared_ptr<uint8_t> m_attr;
tilemap_t *m_tilemap = nullptr;
required_device<cpu_device> m_maincpu;
required_device<gfxdecode_device> m_gfxdecode;
output_finder<5> m_lamps;
@ -120,10 +121,13 @@ private:
TILE_GET_INFO_MEMBER(caswin_state::get_sc0_tile_info)
TILE_GET_INFO_MEMBER(caswin_state::get_tile_info)
{
int tile = (m_sc0_vram[tile_index] | ((m_sc0_attr[tile_index] & 0x70)<<4)) & 0x7ff;
int colour = m_sc0_attr[tile_index] & 0xf;
const u8 attr = m_attr[tile_index];
const u16 tile = (m_vram[tile_index] | ((attr & 0x70)<<4)) & 0x7ff;
const u8 colour = m_attr[tile_index] & 0xf;
tileinfo.category = BIT(attr, 3);
tileinfo.set(0,
tile,
@ -134,52 +138,54 @@ TILE_GET_INFO_MEMBER(caswin_state::get_sc0_tile_info)
void caswin_state::video_start()
{
m_lamps.resolve();
m_sc0_tilemap = &machine().tilemap().create(*m_gfxdecode, tilemap_get_info_delegate(*this, FUNC(caswin_state::get_sc0_tile_info)), TILEMAP_SCAN_ROWS, 8,8,32,32);
m_tilemap = &machine().tilemap().create(*m_gfxdecode, tilemap_get_info_delegate(*this, FUNC(caswin_state::get_tile_info)), TILEMAP_SCAN_ROWS, 8, 8, 32, 32);
}
uint32_t caswin_state::screen_update_vvillage(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
uint32_t caswin_state::screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
{
m_sc0_tilemap->draw(screen, bitmap, cliprect, 0,0);
m_tilemap->draw(screen, bitmap, cliprect, 0, 0);
return 0;
}
void caswin_state::sc0_vram_w(offs_t offset, uint8_t data)
void caswin_state::vram_w(offs_t offset, uint8_t data)
{
m_sc0_vram[offset] = data;
m_sc0_tilemap->mark_tile_dirty(offset);
m_vram[offset] = data;
m_tilemap->mark_tile_dirty(offset);
}
void caswin_state::sc0_attr_w(offs_t offset, uint8_t data)
void caswin_state::attr_w(offs_t offset, uint8_t data)
{
m_sc0_attr[offset] = data;
m_sc0_tilemap->mark_tile_dirty(offset);
m_attr[offset] = data;
m_tilemap->mark_tile_dirty(offset);
}
/*These two are tested during the two cherry sub-games.I really don't know what is supposed to do...*/
void caswin_state::vvillage_scroll_w(uint8_t data)
// TODO: bit 5 unknown
// TODO: bits 4-0 base scroll?
void caswin_state::base_scroll_w(uint8_t data)
{
//...
}
/*---- --x- window effect? */
/*---- --x- enable window effect? */
/*---- ---x flip screen */
void caswin_state::vvillage_vregs_w(uint8_t data)
void caswin_state::vregs_w(uint8_t data)
{
flip_screen_set(data & 1);
}
/**********************
*
* End of Video Hardware
* I/Os
*
**********************/
uint8_t caswin_state::vvillage_rng_r()
// TODO: pinpoint actual algo
uint8_t caswin_state::rng_r()
{
return machine().rand();
}
void caswin_state::vvillage_output_w(uint8_t data)
void caswin_state::coin_meters_w(uint8_t data)
{
machine().bookkeeping().coin_counter_w(0,data & 1);
machine().bookkeeping().coin_counter_w(1,data & 1);
@ -188,40 +194,39 @@ void caswin_state::vvillage_output_w(uint8_t data)
machine().bookkeeping().coin_lockout_w(1,data & 0x20);
}
void caswin_state::vvillage_lamps_w(uint8_t data)
/*
* ---x ---- lamp button 5
* ---- x--- lamp button 4
* ---- -x-- lamp button 3
* ---- --x- lamp button 2
* ---- ---x lamp button 1
*/
void caswin_state::lamps_w(uint8_t data)
{
/*
---x ---- lamp button 5
---- x--- lamp button 4
---- -x-- lamp button 3
---- --x- lamp button 2
---- ---x lamp button 1
*/
for (unsigned i = 0; i < 5; i++)
m_lamps[i] = BIT(data, i);
}
void caswin_state::vvillage_mem(address_map &map)
void caswin_state::main_map(address_map &map)
{
map(0x0000, 0x7fff).rom();
map(0xa000, 0xa000).r(FUNC(caswin_state::vvillage_rng_r)); //accessed by caswin only
map(0xa000, 0xa000).r(FUNC(caswin_state::rng_r)); //accessed by caswin only
map(0xe000, 0xe7ff).ram().share("nvram");
map(0xf000, 0xf3ff).ram().w(FUNC(caswin_state::sc0_vram_w)).share("sc0_vram");
map(0xf800, 0xfbff).ram().w(FUNC(caswin_state::sc0_attr_w)).share("sc0_attr");
map(0xf000, 0xf3ff).ram().w(FUNC(caswin_state::vram_w)).share("vram");
map(0xf800, 0xfbff).ram().w(FUNC(caswin_state::attr_w)).share("attr");
}
void caswin_state::vvillage_io(address_map &map)
void caswin_state::main_io(address_map &map)
{
map.global_mask(0xff);
map(0x01, 0x01).r("aysnd", FUNC(ay8910_device::data_r));
map(0x02, 0x03).w("aysnd", FUNC(ay8910_device::data_address_w));
map(0x10, 0x10).portr("IN0");
map(0x11, 0x11).portr("IN1");
map(0x10, 0x10).w(FUNC(caswin_state::vvillage_scroll_w));
map(0x11, 0x11).w(FUNC(caswin_state::vvillage_vregs_w));
map(0x12, 0x12).w(FUNC(caswin_state::vvillage_lamps_w));
map(0x13, 0x13).w(FUNC(caswin_state::vvillage_output_w));
map(0x10, 0x10).w(FUNC(caswin_state::base_scroll_w));
map(0x11, 0x11).w(FUNC(caswin_state::vregs_w));
map(0x12, 0x12).w(FUNC(caswin_state::lamps_w));
map(0x13, 0x13).w(FUNC(caswin_state::coin_meters_w));
}
@ -279,7 +284,7 @@ static INPUT_PORTS_START( vvillage )
PORT_DIPNAME( 0x04, 0x04, "Hi Lo, Royal Flush" ) PORT_DIPLOCATION("SW2:3")
PORT_DIPSETTING( 0x04, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
PORT_DIPNAME( 0x08, 0x08, "Game Bet") PORT_DIPLOCATION("SW2:4")
PORT_DIPNAME( 0x08, 0x08, "Game Bet" ) PORT_DIPLOCATION("SW2:4")
PORT_DIPSETTING( 0x08, "Normal Game")
PORT_DIPSETTING( 0x00, "Double Game")
PORT_DIPNAME( 0x10, 0x10, DEF_STR( Unused ) ) PORT_DIPLOCATION("SW2:5")
@ -300,9 +305,9 @@ static const gfx_layout tiles8x8_layout =
8,8,
RGN_FRAC(1,2),
2,
{ 0,RGN_FRAC(1,2) },
{ 7, 6, 5, 4, 3, 2, 1, 0 },
{ 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8 },
{ RGN_FRAC(0, 2), RGN_FRAC(1,2) },
{ STEP8(7, -1) },
{ STEP8(0, 8) },
8*8
};
@ -310,7 +315,7 @@ static GFXDECODE_START( gfx_vvillage )
GFXDECODE_ENTRY( "gfx1", 0, tiles8x8_layout, 0, 16 )
GFXDECODE_END
void caswin_state::caswin_palette(palette_device &palette) const
void caswin_state::palette_init(palette_device &palette) const
{
const uint8_t *color_prom = memregion("proms")->base();
for (int i = 0; i < 0x40; ++i)
@ -340,8 +345,8 @@ void caswin_state::vvillage(machine_config &config)
{
/* basic machine hardware */
Z80(config, m_maincpu, 4000000); /* ? MHz */
m_maincpu->set_addrmap(AS_PROGRAM, &caswin_state::vvillage_mem);
m_maincpu->set_addrmap(AS_IO, &caswin_state::vvillage_io);
m_maincpu->set_addrmap(AS_PROGRAM, &caswin_state::main_map);
m_maincpu->set_addrmap(AS_IO, &caswin_state::main_io);
m_maincpu->set_vblank_int("screen", FUNC(caswin_state::irq0_line_hold));
/* video hardware */
@ -350,13 +355,13 @@ void caswin_state::vvillage(machine_config &config)
screen.set_vblank_time(ATTOSECONDS_IN_USEC(0));
screen.set_size(256, 256);
screen.set_visarea(0, 256-1, 16, 256-16-1);
screen.set_screen_update(FUNC(caswin_state::screen_update_vvillage));
screen.set_screen_update(FUNC(caswin_state::screen_update));
screen.set_palette("palette");
NVRAM(config, "nvram", nvram_device::DEFAULT_ALL_0);
GFXDECODE(config, m_gfxdecode, "palette", gfx_vvillage);
PALETTE(config, "palette", FUNC(caswin_state::caswin_palette), 0x40);
PALETTE(config, "palette", FUNC(caswin_state::palette_init), 0x40);
SPEAKER(config, "mono").front_center();