mirror of
https://github.com/holub/mame
synced 2025-04-22 08:22:15 +03:00
vsnes.cpp: A few more improvements. (#9464)
- Unify some functions that are the same on both Main and Sub sides of board. - Removed machine reset macro.
This commit is contained in:
0kmg
GitHub
parent
d3829a0932
commit
bfd1119643
@ -152,45 +152,90 @@ Changes:
|
||||
/******************************************************************************/
|
||||
|
||||
|
||||
void vsnes_state::sprite_dma_0_w(address_space &space, uint8_t data)
|
||||
template <u8 Side>
|
||||
void vsnes_state::sprite_dma_w(address_space &space, u8 data)
|
||||
{
|
||||
int source = ( data & 7 );
|
||||
m_ppu1->spriteram_dma( space, source );
|
||||
if (Side == MAIN)
|
||||
m_ppu1->spriteram_dma(space, data & 0x07);
|
||||
else
|
||||
m_ppu2->spriteram_dma(space, data & 0x07);
|
||||
}
|
||||
|
||||
void vsnes_state::sprite_dma_1_w(address_space &space, uint8_t data)
|
||||
template <u8 Side>
|
||||
void vsnes_state::vsnes_coin_counter_w(offs_t offset, u8 data)
|
||||
{
|
||||
int source = ( data & 7 );
|
||||
m_ppu2->spriteram_dma( space, source );
|
||||
}
|
||||
|
||||
void vsnes_state::vsnes_coin_counter_w(uint8_t data)
|
||||
{
|
||||
machine().bookkeeping().coin_counter_w(0, data & 0x01 );
|
||||
machine().bookkeeping().coin_counter_w(Side, data & 0x01);
|
||||
m_coin = data;
|
||||
|
||||
//"bnglngby" and "cluclu"
|
||||
if( data & 0xfe )
|
||||
{
|
||||
logerror("vsnes_coin_counter_w: pc = 0x%04x - data = 0x%02x\n", m_maincpu->pc(), data);
|
||||
}
|
||||
// "bnglngby" and "cluclu", vsbball service mode
|
||||
if(data & 0xfe)
|
||||
logerror("vsnes_coin_counter_w: cpu %hhu, pc = 0x%04x - data = 0x%02x\n", Side, (Side == MAIN) ? m_maincpu->pc() : m_subcpu->pc(), data);
|
||||
}
|
||||
|
||||
uint8_t vsnes_state::vsnes_coin_counter_r()
|
||||
template <u8 Side>
|
||||
u8 vsnes_state::vsnes_coin_counter_r(offs_t offset)
|
||||
{
|
||||
//only for platoon
|
||||
// reads effectively write MSB of address (via open bus) to coin counter
|
||||
machine().bookkeeping().coin_counter_w(Side, BIT(offset, 8));
|
||||
|
||||
// only for platoon
|
||||
return m_coin;
|
||||
}
|
||||
|
||||
void vsnes_state::vsnes_coin_counter_1_w(uint8_t data)
|
||||
template <u8 Side>
|
||||
void vsnes_state::vsnes_in0_w(u8 data)
|
||||
{
|
||||
machine().bookkeeping().coin_counter_w(1, data & 0x01 );
|
||||
if( data & 0xfe ) //vsbball service mode
|
||||
// Toggling bit 0 high then low resets both controllers
|
||||
if (m_input_strobe[Side] & ~data & 1)
|
||||
{
|
||||
//do something?
|
||||
logerror("vsnes_coin_counter_1_w: pc = 0x%04x - data = 0x%02x\n", m_subcpu->pc(), data);
|
||||
// load up the latches
|
||||
int p1 = 2 * Side;
|
||||
int p2 = p1 + 1;
|
||||
m_input_latch[p1] = m_in[p1]->read();
|
||||
m_input_latch[p2] = m_in[p2]->read();
|
||||
|
||||
if (m_has_gun && m_sensor->detect_light(m_gunx->read(), m_guny->read()))
|
||||
m_input_latch[p1] |= 0x40;
|
||||
}
|
||||
|
||||
m_input_strobe[Side] = data;
|
||||
}
|
||||
|
||||
template <u8 Side>
|
||||
u8 vsnes_state::vsnes_in0_r()
|
||||
{
|
||||
int p1 = 2 * Side;
|
||||
|
||||
if (m_input_strobe[Side] & 1)
|
||||
{
|
||||
m_input_latch[p1] = m_in[p1]->read();
|
||||
if (m_has_gun && m_sensor->detect_light(m_gunx->read(), m_guny->read()))
|
||||
m_input_latch[p1] |= 0x40;
|
||||
}
|
||||
|
||||
int ret = m_input_latch[p1] & 1;
|
||||
m_input_latch[p1] >>= 1;
|
||||
|
||||
ret |= m_coins[Side]->read(); // merge coins, etc
|
||||
ret |= (m_dsw[Side]->read() & 3) << 3; // merge 2 dipswitches
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
template <u8 Side>
|
||||
u8 vsnes_state::vsnes_in1_r()
|
||||
{
|
||||
int p2 = 2 * Side + 1;
|
||||
|
||||
if (m_input_strobe[Side] & 1)
|
||||
m_input_latch[p2] = m_in[p2]->read();
|
||||
|
||||
int ret = m_input_latch[p2] & 1;
|
||||
m_input_latch[p2] >>= 1;
|
||||
|
||||
ret |= m_dsw[Side]->read() & ~3; // merge the rest of the dipswitches
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
/******************************************************************************/
|
||||
@ -200,10 +245,10 @@ void vsnes_state::vsnes_cpu1_map(address_map &map)
|
||||
{
|
||||
map(0x0000, 0x07ff).mirror(0x1800).ram();
|
||||
map(0x2000, 0x3fff).rw(m_ppu1, FUNC(ppu2c0x_device::read), FUNC(ppu2c0x_device::write));
|
||||
map(0x4014, 0x4014).w(FUNC(vsnes_state::sprite_dma_0_w));
|
||||
map(0x4016, 0x4016).rw(FUNC(vsnes_state::vsnes_in0_r), FUNC(vsnes_state::vsnes_in0_w));
|
||||
map(0x4017, 0x4017).r(FUNC(vsnes_state::vsnes_in1_r)); /* IN1 - input port 2 / PSG second control register */
|
||||
map(0x4020, 0x4020).mirror(0x1fdf).rw(FUNC(vsnes_state::vsnes_coin_counter_r), FUNC(vsnes_state::vsnes_coin_counter_w));
|
||||
map(0x4014, 0x4014).w(FUNC(vsnes_state::sprite_dma_w<MAIN>));
|
||||
map(0x4016, 0x4016).rw(FUNC(vsnes_state::vsnes_in0_r<MAIN>), FUNC(vsnes_state::vsnes_in0_w<MAIN>));
|
||||
map(0x4017, 0x4017).r(FUNC(vsnes_state::vsnes_in1_r<MAIN>)); // IN1 - input port 2 / PSG second control register
|
||||
map(0x4020, 0x5fff).rw(FUNC(vsnes_state::vsnes_coin_counter_r<MAIN>), FUNC(vsnes_state::vsnes_coin_counter_w<MAIN>));
|
||||
map(0x6000, 0x67ff).mirror(0x1800).ram().share("nvram");
|
||||
// Games that don't bank PRG
|
||||
map(0x8000, 0xffff).rom().region("prg", 0);
|
||||
@ -219,10 +264,10 @@ void vsnes_state::vsnes_cpu2_map(address_map &map)
|
||||
{
|
||||
map(0x0000, 0x07ff).mirror(0x1800).ram();
|
||||
map(0x2000, 0x3fff).rw(m_ppu2, FUNC(ppu2c0x_device::read), FUNC(ppu2c0x_device::write));
|
||||
map(0x4014, 0x4014).w(FUNC(vsnes_state::sprite_dma_1_w));
|
||||
map(0x4016, 0x4016).rw(FUNC(vsnes_state::vsnes_in0_1_r), FUNC(vsnes_state::vsnes_in0_1_w));
|
||||
map(0x4017, 0x4017).r(FUNC(vsnes_state::vsnes_in1_1_r)); /* IN1 - input port 2 / PSG second control register */
|
||||
map(0x4020, 0x4020).mirror(0x1fdf).w(FUNC(vsnes_state::vsnes_coin_counter_1_w));
|
||||
map(0x4014, 0x4014).w(FUNC(vsnes_state::sprite_dma_w<SUB>));
|
||||
map(0x4016, 0x4016).rw(FUNC(vsnes_state::vsnes_in0_r<SUB>), FUNC(vsnes_state::vsnes_in0_w<SUB>));
|
||||
map(0x4017, 0x4017).r(FUNC(vsnes_state::vsnes_in1_r<SUB>)); // IN1 - input port 2 / PSG second control register
|
||||
map(0x4020, 0x5fff).rw(FUNC(vsnes_state::vsnes_coin_counter_r<SUB>), FUNC(vsnes_state::vsnes_coin_counter_w<SUB>));
|
||||
map(0x6000, 0x67ff).mirror(0x1800).ram().share("nvram");
|
||||
map(0x8000, 0xffff).rom();
|
||||
}
|
||||
@ -300,9 +345,9 @@ void vsnes_state::vsnes_cpu1_bootleg_map(address_map &map)
|
||||
map(0x0000, 0x07ff).mirror(0x0800).ram();
|
||||
map(0x2000, 0x3fff).rw(m_ppu1, FUNC(ppu2c0x_device::read), FUNC(ppu2c0x_device::write));
|
||||
map(0x4000, 0x400f).w(FUNC(vsnes_state::bootleg_sound_write));
|
||||
map(0x4016, 0x4016).rw(FUNC(vsnes_state::vsnes_in0_r), FUNC(vsnes_state::vsnes_in0_w));
|
||||
map(0x4017, 0x4017).r(FUNC(vsnes_state::vsnes_in1_r)); /* IN1 - input port 2 / PSG second control register */
|
||||
map(0x4020, 0x4020).w(FUNC(vsnes_state::vsnes_coin_counter_w));
|
||||
map(0x4016, 0x4016).rw(FUNC(vsnes_state::vsnes_in0_r<MAIN>), FUNC(vsnes_state::vsnes_in0_w<MAIN>));
|
||||
map(0x4017, 0x4017).r(FUNC(vsnes_state::vsnes_in1_r<MAIN>)); // IN1 - input port 2 / PSG second control register
|
||||
map(0x4020, 0x4020).w(FUNC(vsnes_state::vsnes_coin_counter_w<MAIN>));
|
||||
map(0x6000, 0x67ff).mirror(0x0800).ram();
|
||||
map(0x8000, 0xffff).rom();
|
||||
}
|
||||
@ -360,7 +405,7 @@ static INPUT_PORTS_START( vsnes )
|
||||
PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT ) PORT_PLAYER(2)
|
||||
PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT ) PORT_PLAYER(2)
|
||||
|
||||
PORT_START("COINS")
|
||||
PORT_START("COINS1")
|
||||
PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_UNUSED ) /* serial pin from controller */
|
||||
PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_UNKNOWN )
|
||||
PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_SERVICE1 ) PORT_IMPULSE(1) /* service credit? */
|
||||
@ -415,7 +460,7 @@ static INPUT_PORTS_START( vsnes_dual )
|
||||
PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT ) PORT_PLAYER(2)
|
||||
PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT ) PORT_PLAYER(2)
|
||||
|
||||
PORT_START("COINS")
|
||||
PORT_START("COINS1")
|
||||
PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_UNUSED ) /* serial pin from controller */
|
||||
PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_UNKNOWN )
|
||||
PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_SERVICE1 ) PORT_IMPULSE(1) /* service credit? */
|
||||
@ -516,7 +561,7 @@ static INPUT_PORTS_START( vsnes_zapper )
|
||||
PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_UNUSED )
|
||||
PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_UNUSED )
|
||||
|
||||
PORT_START("COINS")
|
||||
PORT_START("COINS1")
|
||||
PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_UNUSED ) /* serial pin from controller */
|
||||
PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_UNKNOWN )
|
||||
PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_SERVICE1 ) PORT_IMPULSE(1) /* service credit? */
|
||||
@ -1133,7 +1178,7 @@ static INPUT_PORTS_START( iceclmbj )
|
||||
PORT_MODIFY("IN1") /* IN1 */
|
||||
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_CUSTOM ) // protection /* START on a nes */
|
||||
|
||||
PORT_MODIFY("COINS") /* IN2 */
|
||||
PORT_MODIFY("COINS1") /* IN2 */
|
||||
PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_SERVICE1 ) /* service credit? */
|
||||
PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_COIN1 )
|
||||
PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_COIN2 )
|
||||
@ -1175,7 +1220,7 @@ static INPUT_PORTS_START( jajamaru )
|
||||
PORT_MODIFY("IN1") /* IN1 */
|
||||
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_UNKNOWN ) /* SELECT on a nes */
|
||||
|
||||
PORT_MODIFY("COINS") /* IN2 */
|
||||
PORT_MODIFY("COINS1") /* IN2 */
|
||||
PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_SERVICE1 ) /* service credit? */
|
||||
PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_COIN1 )
|
||||
PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_UNUSED )
|
||||
@ -1237,7 +1282,7 @@ static INPUT_PORTS_START( machridj )
|
||||
PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_UNUSED ) /* SELECT on a nes */
|
||||
PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_UNUSED ) /* START on a nes */
|
||||
|
||||
PORT_MODIFY("COINS") /* IN2 */
|
||||
PORT_MODIFY("COINS1") /* IN2 */
|
||||
PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_SERVICE1 ) /* service credit? */
|
||||
PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_COIN1 )
|
||||
PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_COIN2 )
|
||||
@ -1642,7 +1687,7 @@ INPUT_PORTS_END
|
||||
static INPUT_PORTS_START( tkoboxng )
|
||||
PORT_INCLUDE( vsnes )
|
||||
|
||||
PORT_MODIFY("COINS") /* IN2 */
|
||||
PORT_MODIFY("COINS1") /* IN2 */
|
||||
PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_SERVICE1 ) /* service credit? */
|
||||
PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_COIN1 )
|
||||
PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_COIN2 )
|
||||
@ -1679,7 +1724,7 @@ static INPUT_PORTS_START( bnglngby )
|
||||
PORT_MODIFY("IN1") /* IN1 */
|
||||
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_CUSTOM ) // protection /* START on a nes */
|
||||
|
||||
PORT_MODIFY("COINS") /* IN2 */
|
||||
PORT_MODIFY("COINS1") /* IN2 */
|
||||
PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_SERVICE1 ) /* service credit? */
|
||||
PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_COIN1 )
|
||||
PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_COIN2 )
|
||||
@ -1733,7 +1778,7 @@ static INPUT_PORTS_START( supxevs )
|
||||
PORT_MODIFY("IN1") /* IN1 */
|
||||
PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_UNKNOWN ) /* SELECT on a nes */
|
||||
|
||||
PORT_MODIFY("COINS") /* IN2 */
|
||||
PORT_MODIFY("COINS1") /* IN2 */
|
||||
PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_SERVICE1 ) /* service credit? */
|
||||
PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_COIN1 )
|
||||
PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_UNKNOWN )
|
||||
@ -1760,8 +1805,7 @@ void vsnes_state::vsnes(machine_config &config)
|
||||
/* basic machine hardware */
|
||||
n2a03_device &maincpu(N2A03(config, m_maincpu, NTSC_APU_CLOCK));
|
||||
maincpu.set_addrmap(AS_PROGRAM, &vsnes_state::vsnes_cpu1_map);
|
||||
/* some carts also trigger IRQs */
|
||||
MCFG_MACHINE_RESET_OVERRIDE(vsnes_state,vsnes)
|
||||
|
||||
MCFG_MACHINE_START_OVERRIDE(vsnes_state,vsnes)
|
||||
|
||||
NVRAM(config, "nvram", nvram_device::DEFAULT_ALL_0);
|
||||
@ -1834,7 +1878,6 @@ void vsnes_state::vsdual(machine_config &config)
|
||||
n2a03_device &subcpu(N2A03(config, m_subcpu, NTSC_APU_CLOCK));
|
||||
subcpu.set_addrmap(AS_PROGRAM, &vsnes_state::vsnes_cpu2_map);
|
||||
|
||||
MCFG_MACHINE_RESET_OVERRIDE(vsnes_state,vsnes)
|
||||
MCFG_MACHINE_START_OVERRIDE(vsnes_state,vsdual)
|
||||
|
||||
config.set_default_layout(layout_dualhsxs);
|
||||
@ -1881,8 +1924,7 @@ void vsnes_state::vsnes_bootleg(machine_config &config)
|
||||
/* basic machine hardware */
|
||||
M6502(config, m_maincpu, XTAL(16'000'000)/8);
|
||||
m_maincpu->set_addrmap(AS_PROGRAM, &vsnes_state::vsnes_cpu1_bootleg_map);
|
||||
/* some carts also trigger IRQs */
|
||||
MCFG_MACHINE_RESET_OVERRIDE(vsnes_state,vsnes)
|
||||
|
||||
MCFG_MACHINE_START_OVERRIDE(vsnes_state,bootleg)
|
||||
|
||||
Z80(config, m_subcpu, XTAL(16'000'000)/8); // Z8400APS-Z80CPU
|
||||
@ -2890,8 +2932,8 @@ GAME( 1986, rbibb, 0, vsnes, rbibb, vsnes_state, init_rbib
|
||||
GAME( 1986, rbibba, rbibb, vsnes, rbibb, vsnes_state, init_rbibb, ROT0, "Namco", "Vs. Atari R.B.I. Baseball (set 2)", 0 )
|
||||
GAME( 1986, suprmrio, 0, vsnes, suprmrio, vsnes_state, init_vsnormal, ROT0, "Nintendo", "Vs. Super Mario Bros. (set SM4-4 E)", 0 )
|
||||
GAME( 1986, suprmrioa,suprmrio, vsnes, suprmrio, vsnes_state, init_vsnormal, ROT0, "Nintendo", "Vs. Super Mario Bros. (set ?, harder)", 0 )
|
||||
GAME( 1986, suprmriobl,suprmrio, vsnes_bootleg, suprmrio, vsnes_state, init_bootleg, ROT0, "bootleg", "Vs. Super Mario Bros. (bootleg with Z80, set 1)", 0) // timer starts at 200(!)
|
||||
GAME( 1986, suprmriobl2,suprmrio,vsnes_bootleg, suprmrio, vsnes_state, init_bootleg, ROT0, "bootleg", "Vs. Super Mario Bros. (bootleg with Z80, set 2)", 0) // timer starts at 300
|
||||
GAME( 1986, suprmriobl,suprmrio, vsnes_bootleg, suprmrio, vsnes_state, init_bootleg, ROT0, "bootleg", "Vs. Super Mario Bros. (bootleg with Z80, set 1)", 0 ) // timer starts at 200(!)
|
||||
GAME( 1986, suprmriobl2,suprmrio,vsnes_bootleg, suprmrio, vsnes_state, init_bootleg, ROT0, "bootleg", "Vs. Super Mario Bros. (bootleg with Z80, set 2)", 0 ) // timer starts at 300
|
||||
GAME( 1988, skatekds, suprmrio, vsnes, suprmrio, vsnes_state, init_vsnormal, ROT0, "hack (Two-Bit Score)", "Vs. Skate Kids. (Graphic hack of Super Mario Bros.)", 0 )
|
||||
GAME( 1985, vsskykid, 0, vsnes, vsskykid, vsnes_state, init_vs108, ROT0, "Namco", "Vs. Super SkyKid", 0 )
|
||||
GAME( 1987, tkoboxng, 0, vsnes, tkoboxng, vsnes_state, init_tkoboxng, ROT0, "Namco / Data East USA", "Vs. T.K.O. Boxing", 0 )
|
||||
|
||||
@ -20,6 +20,11 @@ public:
|
||||
, m_sensor(*this, "sensor")
|
||||
, m_nvram(*this, "nvram")
|
||||
, m_gfx1_rom(*this, "gfx1")
|
||||
, m_in(*this, "IN%u", 0U)
|
||||
, m_coins(*this, "COINS%u", 1U)
|
||||
, m_dsw(*this, "DSW%u", 0U)
|
||||
, m_gunx(*this, "GUNX")
|
||||
, m_guny(*this, "GUNY")
|
||||
, m_prg_banks(*this, "prg%u", 0U)
|
||||
, m_prg_view(*this, "prg_view")
|
||||
, m_chr_banks(*this, "chr%u", 0U)
|
||||
@ -52,7 +57,12 @@ public:
|
||||
void init_vsdual();
|
||||
void init_bootleg();
|
||||
|
||||
protected:
|
||||
virtual void machine_reset() override;
|
||||
|
||||
private:
|
||||
enum { MAIN = 0, SUB = 1 };
|
||||
|
||||
required_device<cpu_device> m_maincpu;
|
||||
optional_device<cpu_device> m_subcpu;
|
||||
required_device<ppu2c0x_device> m_ppu1;
|
||||
@ -65,20 +75,19 @@ private:
|
||||
|
||||
optional_memory_region m_gfx1_rom;
|
||||
|
||||
void sprite_dma_0_w(address_space &space, uint8_t data);
|
||||
void sprite_dma_1_w(address_space &space, uint8_t data);
|
||||
void vsnes_coin_counter_w(uint8_t data);
|
||||
uint8_t vsnes_coin_counter_r();
|
||||
void vsnes_coin_counter_1_w(uint8_t data);
|
||||
void vsnes_in0_w(uint8_t data);
|
||||
uint8_t vsnes_in0_r();
|
||||
uint8_t vsnes_in1_r();
|
||||
void vsnes_in0_1_w(uint8_t data);
|
||||
uint8_t vsnes_in0_1_r();
|
||||
uint8_t vsnes_in1_1_r();
|
||||
void gun_in0_w(uint8_t data);
|
||||
optional_ioport_array<4> m_in;
|
||||
optional_ioport_array<2> m_coins;
|
||||
optional_ioport_array<2> m_dsw;
|
||||
optional_ioport m_gunx;
|
||||
optional_ioport m_guny;
|
||||
|
||||
template <u8 Side> void sprite_dma_w(address_space &space, u8 data);
|
||||
template <u8 Side> void vsnes_coin_counter_w(offs_t offset, u8 data);
|
||||
template <u8 Side> u8 vsnes_coin_counter_r(offs_t offset);
|
||||
template <u8 Side> void vsnes_in0_w(u8 data);
|
||||
template <u8 Side> u8 vsnes_in0_r();
|
||||
template <u8 Side> u8 vsnes_in1_r();
|
||||
void vsnormal_vrom_banking(uint8_t data);
|
||||
void vsnes_gun_in0_w(uint8_t data);
|
||||
void vskonami_rom_banking(offs_t offset, uint8_t data);
|
||||
void vsgshoe_gun_in0_w(uint8_t data);
|
||||
void drmario_rom_banking(offs_t offset, uint8_t data);
|
||||
@ -98,7 +107,6 @@ private:
|
||||
void vssmbbl_sn_w(offs_t offset, uint8_t data);
|
||||
|
||||
DECLARE_MACHINE_START(vsnes);
|
||||
DECLARE_MACHINE_RESET(vsnes);
|
||||
DECLARE_MACHINE_START(vsdual);
|
||||
DECLARE_MACHINE_START(bootleg);
|
||||
void v_set_videorom_bank(int start, int count, int vrom_start_bank);
|
||||
@ -130,6 +138,7 @@ private:
|
||||
memory_view m_chr_view;
|
||||
int m_chr_chunks = 0;
|
||||
|
||||
bool m_has_gun = false;
|
||||
int m_coin = 0;
|
||||
int m_input_latch[4]{};
|
||||
int m_input_strobe[2]{};
|
||||
|
||||
@ -22,114 +22,13 @@ Nintendo VS UniSystem and DualSystem - (c) 1984 Nintendo of America
|
||||
/* This leads to the memory system being an optimal place to perform banking */
|
||||
|
||||
|
||||
/*************************************
|
||||
*
|
||||
* Input Ports
|
||||
*
|
||||
*************************************/
|
||||
|
||||
void vsnes_state::vsnes_in0_w(uint8_t data)
|
||||
{
|
||||
/* Toggling bit 0 high then low resets both controllers */
|
||||
if (m_input_strobe[0] & ~data & 1)
|
||||
{
|
||||
/* load up the latches */
|
||||
m_input_latch[0] = ioport("IN0")->read();
|
||||
m_input_latch[1] = ioport("IN1")->read();
|
||||
}
|
||||
|
||||
m_input_strobe[0] = data;
|
||||
}
|
||||
|
||||
uint8_t vsnes_state::vsnes_in0_r()
|
||||
{
|
||||
if (m_input_strobe[0] & 1)
|
||||
m_input_latch[0] = ioport("IN0")->read();
|
||||
|
||||
int ret = m_input_latch[0] & 1;
|
||||
m_input_latch[0] >>= 1;
|
||||
|
||||
ret |= ioport("COINS")->read(); /* merge coins, etc */
|
||||
ret |= (ioport("DSW0")->read() & 3) << 3; /* merge 2 dipswitches */
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
uint8_t vsnes_state::vsnes_in1_r()
|
||||
{
|
||||
if (m_input_strobe[0] & 1)
|
||||
m_input_latch[1] = ioport("IN1")->read();
|
||||
|
||||
int ret = m_input_latch[1] & 1;
|
||||
m_input_latch[1] >>= 1;
|
||||
|
||||
ret |= ioport("DSW0")->read() & ~3; /* merge the rest of the dipswitches */
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
void vsnes_state::vsnes_in0_1_w(uint8_t data)
|
||||
{
|
||||
/* Toggling bit 0 high then low resets both controllers */
|
||||
if (m_input_strobe[1] & ~data & 1)
|
||||
{
|
||||
/* load up the latches */
|
||||
m_input_latch[2] = ioport("IN2")->read();
|
||||
m_input_latch[3] = ioport("IN3")->read();
|
||||
}
|
||||
|
||||
m_input_strobe[1] = data;
|
||||
}
|
||||
|
||||
uint8_t vsnes_state::vsnes_in0_1_r()
|
||||
{
|
||||
if (m_input_strobe[1] & 1)
|
||||
m_input_latch[2] = ioport("IN2")->read();
|
||||
|
||||
int ret = m_input_latch[2] & 1;
|
||||
m_input_latch[2] >>= 1;
|
||||
|
||||
ret |= ioport("COINS2")->read(); /* merge coins, etc */
|
||||
ret |= (ioport("DSW1")->read() & 3) << 3; /* merge 2 dipswitches */
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
uint8_t vsnes_state::vsnes_in1_1_r()
|
||||
{
|
||||
if (m_input_strobe[1] & 1)
|
||||
m_input_latch[3] = ioport("IN3")->read();
|
||||
|
||||
int ret = m_input_latch[3] & 1;
|
||||
m_input_latch[3] >>= 1;
|
||||
|
||||
ret |= ioport("DSW1")->read() & ~3; /* merge the rest of the dipswitches */
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
// all gun games except Freedom Force add VROM banking on top of this
|
||||
void vsnes_state::gun_in0_w(u8 data)
|
||||
{
|
||||
if (m_input_strobe[0] & ~data & 1)
|
||||
{
|
||||
// load up the latch
|
||||
m_input_latch[0] = ioport("IN0")->read();
|
||||
|
||||
if (m_sensor->detect_light(ioport("GUNX")->read(), ioport("GUNY")->read()))
|
||||
m_input_latch[0] |= 0x40;
|
||||
}
|
||||
|
||||
m_input_strobe[0] = data;
|
||||
}
|
||||
|
||||
/*************************************
|
||||
*
|
||||
* Init machine
|
||||
*
|
||||
*************************************/
|
||||
|
||||
MACHINE_RESET_MEMBER(vsnes_state,vsnes)
|
||||
void vsnes_state::machine_reset()
|
||||
{
|
||||
m_input_latch[0] = m_input_latch[1] = 0;
|
||||
m_input_latch[2] = m_input_latch[3] = 0;
|
||||
@ -249,7 +148,7 @@ void vsnes_state::vsnormal_vrom_banking(u8 data)
|
||||
// bit 1 ( data & 2 ) enables writes to extra ram, we ignore it
|
||||
|
||||
// move along
|
||||
vsnes_in0_w(data);
|
||||
vsnes_in0_w<MAIN>(data);
|
||||
}
|
||||
|
||||
void vsnes_state::init_vsnormal()
|
||||
@ -261,18 +160,10 @@ void vsnes_state::init_vsnormal()
|
||||
//**********************************************************************************
|
||||
// Gun games: VROM Banking in controller 0 write
|
||||
|
||||
void vsnes_state::vsnes_gun_in0_w(uint8_t data)
|
||||
{
|
||||
// switch vrom
|
||||
v_set_videorom_bank(0, 8, (data & 4) ? 8 : 0);
|
||||
|
||||
gun_in0_w(data);
|
||||
}
|
||||
|
||||
void vsnes_state::init_vsgun()
|
||||
{
|
||||
// VROM switching is enabled with bit 2 of $4016
|
||||
m_maincpu->space(AS_PROGRAM).install_write_handler(0x4016, 0x4016, write8smo_delegate(*this, FUNC(vsnes_state::vsnes_gun_in0_w)));
|
||||
init_vsnormal();
|
||||
m_has_gun = true;
|
||||
}
|
||||
|
||||
//**********************************************************************************
|
||||
@ -317,8 +208,8 @@ void vsnes_state::vsgshoe_gun_in0_w(u8 data)
|
||||
// Gumshoe uniquely has a bankable 16K EPROM in addition to the normal unbanked 8K slots
|
||||
m_prg_banks[0]->set_entry(BIT(data, 2));
|
||||
|
||||
// otherwise bank like the other gun games
|
||||
vsnes_gun_in0_w(data);
|
||||
// otherwise do normal CHR banking and IO write
|
||||
vsnormal_vrom_banking(data);
|
||||
}
|
||||
|
||||
void vsnes_state::init_vsgshoe()
|
||||
@ -328,6 +219,8 @@ void vsnes_state::init_vsgshoe()
|
||||
|
||||
// vrom switching is enabled with bit 2 of $4016
|
||||
m_maincpu->space(AS_PROGRAM).install_write_handler(0x4016, 0x4016, write8smo_delegate(*this, FUNC(vsnes_state::vsgshoe_gun_in0_w)));
|
||||
|
||||
m_has_gun = true;
|
||||
}
|
||||
|
||||
//**********************************************************************************
|
||||
@ -338,7 +231,6 @@ void vsnes_state::drmario_rom_banking(offs_t offset, u8 data)
|
||||
// reset mapper
|
||||
if (data & 0x80)
|
||||
{
|
||||
m_mmc1_shiftreg = 0;
|
||||
m_mmc1_shiftcount = 0;
|
||||
m_mmc1_prg16k = 1;
|
||||
m_mmc1_switchlow = 1;
|
||||
@ -347,12 +239,9 @@ void vsnes_state::drmario_rom_banking(offs_t offset, u8 data)
|
||||
return;
|
||||
}
|
||||
|
||||
// see if we need to clock in data
|
||||
if (m_mmc1_shiftcount < 5)
|
||||
{
|
||||
m_mmc1_shiftreg = m_mmc1_shiftreg >> 1 | (data & 1) << 4;
|
||||
m_mmc1_shiftcount = (m_mmc1_shiftcount + 1) % 5;
|
||||
}
|
||||
// update shift register
|
||||
m_mmc1_shiftreg = (m_mmc1_shiftreg >> 1) | (data & 1) << 4;
|
||||
m_mmc1_shiftcount = (m_mmc1_shiftcount + 1) % 5;
|
||||
|
||||
// are we done shifting?
|
||||
if (!m_mmc1_shiftcount)
|
||||
@ -563,8 +452,7 @@ void vsnes_state::init_tkoboxng()
|
||||
void vsnes_state::init_vsfdf()
|
||||
{
|
||||
init_vs108();
|
||||
|
||||
m_maincpu->space(AS_PROGRAM).install_write_handler(0x4016, 0x4016, write8smo_delegate(*this, FUNC(vsnes_state::gun_in0_w)));
|
||||
m_has_gun = true;
|
||||
}
|
||||
|
||||
//**********************************************************************************
|
||||
@ -636,7 +524,7 @@ void vsnes_state::vsdual_vrom_banking_main(u8 data)
|
||||
m_subcpu->set_input_line(0, (data & 2) ? CLEAR_LINE : ASSERT_LINE);
|
||||
|
||||
// move along
|
||||
vsnes_in0_w(data);
|
||||
vsnes_in0_w<MAIN>(data);
|
||||
}
|
||||
|
||||
void vsnes_state::vsdual_vrom_banking_sub(u8 data)
|
||||
@ -648,7 +536,7 @@ void vsnes_state::vsdual_vrom_banking_sub(u8 data)
|
||||
m_maincpu->set_input_line(0, (data & 2) ? CLEAR_LINE : ASSERT_LINE);
|
||||
|
||||
// move along
|
||||
vsnes_in0_1_w(data);
|
||||
vsnes_in0_w<SUB>(data);
|
||||
}
|
||||
|
||||
void vsnes_state::init_vsdual()
|
||||
|
||||
Loading…
Reference in New Issue
Block a user