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added sega_315_5296_device

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This commit is contained in:
hap 2014-11-08 19:33:05 +01:00
parent 7a3ea7ca78
commit 336bca0302
3 changed files with 113 additions and 188 deletions
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234
src/mame/drivers/segas18.c
View File

@ -150,13 +150,12 @@ void segas18_state::init_generic(segas18_rom_board rom_board)
m_vdp->set_vdp_pal(FALSE);
m_vdp->set_framerate(60);
m_vdp->set_total_scanlines(262);
m_vdp->stop_timers(); // 315-5124 timers
m_vdp->stop_timers(); // 315-5124 timers
// save state
save_item(NAME(m_mcu_data));
save_item(NAME(m_lghost_value));
save_item(NAME(m_lghost_select));
save_item(NAME(m_misc_io_data));
save_item(NAME(m_wwally_last_x));
save_item(NAME(m_wwally_last_y));
}
@ -199,135 +198,45 @@ void segas18_state::machine_reset()
*
*************************************/
READ16_MEMBER( segas18_state::io_chip_r )
WRITE8_MEMBER( segas18_state::misc_outputs_w )
{
static const char *const portnames[] = { "P1", "P2", "PORTC", "PORTD", "SERVICE", "COINAGE", "DSW", "PORTH" };
offset &= 0x1f/2;
switch (offset)
{
// I/O ports
case 0x00/2:
case 0x02/2:
case 0x04/2:
case 0x06/2:
case 0x08/2:
case 0x0a/2:
case 0x0c/2:
case 0x0e/2:
// if the port is configured as an output, return the last thing written
if (m_misc_io_data[0x1e/2] & (1 << offset))
return m_misc_io_data[offset];
// otherwise, return an input port
return ioport(portnames[offset])->read();
// 'SEGA' protection
case 0x10/2:
return 'S';
case 0x12/2:
return 'E';
case 0x14/2:
return 'G';
case 0x16/2:
return 'A';
// CNT register & mirror
case 0x18/2:
case 0x1c/2:
return m_misc_io_data[0x1c/2];
// port direction register & mirror
case 0x1a/2:
case 0x1e/2:
return m_misc_io_data[0x1e/2];
}
return 0xffff;
}
WRITE16_MEMBER( segas18_state::io_chip_w )
{
// generic implementation
offset &= 0x1f/2;
UINT8 old = m_misc_io_data[offset];
m_misc_io_data[offset] = data;
switch (offset)
{
// I/O ports
case 0x00/2:
case 0x02/2:
case 0x04/2:
case 0x08/2:
case 0x0a/2:
case 0x0c/2:
if (m_has_guns)
{
// outputs for lghost only
output_set_value("P1_Gun_Recoil",(~data & 0x01));
output_set_value("P2_Gun_Recoil",(~data & 0x02)>>1);
output_set_value("P3_Gun_Recoil",(~data & 0x04)>>2);
}
break;
// miscellaneous output
case 0x06/2:
set_grayscale(~data & 0x40);
m_segaic16vid->segaic16_tilemap_set_flip(0, data & 0x20);
m_sprites->set_flip(data & 0x20);
// These are correct according to cgfm's docs, but mwalker and ddcrew both
// enable the lockout and never turn it off
// coin_lockout_w(machine(), 1, data & 0x08);
// coin_lockout_w(machine(), 0, data & 0x04);
coin_counter_w(machine(), 1, data & 0x02);
coin_counter_w(machine(), 0, data & 0x01);
break;
// tile banking
case 0x0e/2:
if (m_romboard == ROM_BOARD_171_5874 || m_romboard == ROM_BOARD_171_SHADOW)
for (int i = 0; i < 4; i++)
{
m_segaic16vid->segaic16_tilemap_set_bank(0, 0 + i, (data & 0xf) * 4 + i);
m_segaic16vid->segaic16_tilemap_set_bank(0, 4 + i, ((data >> 4) & 0xf) * 4 + i);
}
break;
// CNT register
case 0x1c/2:
m_segaic16vid->segaic16_set_display_enable(data & 2);
if ((old ^ data) & 4)
set_vdp_enable(data & 4);
break;
}
// miscellaneous output
set_grayscale(~data & 0x40);
m_segaic16vid->segaic16_tilemap_set_flip(0, data & 0x20);
m_sprites->set_flip(data & 0x20);
// These are correct according to cgfm's docs, but mwalker and ddcrew both
// enable the lockout and never turn it off
// coin_lockout_w(machine(), 1, data & 0x08);
// coin_lockout_w(machine(), 0, data & 0x04);
coin_counter_w(machine(), 1, data & 0x02);
coin_counter_w(machine(), 0, data & 0x01);
}
READ16_MEMBER( segas18_state::misc_io_r )
{
static const char *const portnames[] = { "SERVICE", "COINAGE" };
offset &= 0x1fff;
switch (offset & (0x3000/2))
{
// I/O chip
case 0x0000/2:
case 0x1000/2:
return io_chip_r(space, offset, mem_mask);
return m_io->read(space, offset) | (open_bus_r(space, 0, mem_mask) & 0xff00);
// video control latch
case 0x2000/2:
{
static const char *const portnames[] = { "SERVICE", "COINAGE" };
return ioport(portnames[offset & 1])->read();
}
}
if (!m_custom_io_r.isnull())
return m_custom_io_r(space, offset, mem_mask);
logerror("%06X:misc_io_r - unknown read access to address %04X\n", space.device().safe_pc(), offset * 2);
return open_bus_r(space, 0, mem_mask);
}
WRITE16_MEMBER( segas18_state::misc_io_w )
{
offset &= 0x1fff;
@ -338,7 +247,7 @@ WRITE16_MEMBER( segas18_state::misc_io_w )
case 0x1000/2:
if (ACCESSING_BITS_0_7)
{
io_chip_w(space, offset, data, mem_mask);
m_io->write(space, offset, data);
return;
}
break;
@ -352,6 +261,7 @@ WRITE16_MEMBER( segas18_state::misc_io_w )
}
break;
}
if (!m_custom_io_w.isnull())
{
m_custom_io_w(space, offset, data, mem_mask);
@ -368,10 +278,24 @@ WRITE16_MEMBER( segas18_state::misc_io_w )
*
*************************************/
WRITE8_MEMBER( segas18_state::rom_5874_bank_w )
{
if (m_romboard == ROM_BOARD_171_5874 || m_romboard == ROM_BOARD_171_SHADOW)
{
for (int i = 0; i < 4; i++)
{
m_segaic16vid->segaic16_tilemap_set_bank(0, 0 + i, (data & 0xf) * 4 + i);
m_segaic16vid->segaic16_tilemap_set_bank(0, 4 + i, ((data >> 4) & 0xf) * 4 + i);
}
}
}
WRITE16_MEMBER( segas18_state::rom_5987_bank_w )
{
if (!ACCESSING_BITS_0_7)
return;
offset &= 0xf;
data &= 0xff;
@ -406,7 +330,6 @@ WRITE16_MEMBER( segas18_state::rom_837_7525_bank_w )
// tile banking
if (offset < 8)
{
// int maxbanks = m_gfxdecode->gfx(0)->elements() / 1024;
data &= 0x9f;
if (data & 0x80) data += 0x20;
@ -435,13 +358,13 @@ READ16_MEMBER( segas18_state::ddcrew_custom_io_r )
switch (offset)
{
case 0x3020/2:
return ioport("P3")->read();
return ioport("EXP3")->read();
case 0x3022/2:
return ioport("P4")->read();
return ioport("EXP4")->read();
case 0x3024/2:
return ioport("P34START")->read();
return ioport("EXSERVICE")->read();
}
return open_bus_r(space, 0, mem_mask);
}
@ -470,7 +393,6 @@ READ16_MEMBER( segas18_state::lghost_custom_io_r )
return open_bus_r(space, 0, mem_mask);
}
WRITE16_MEMBER( segas18_state::lghost_custom_io_w )
{
switch (offset)
@ -498,6 +420,14 @@ WRITE16_MEMBER( segas18_state::lghost_custom_io_w )
}
WRITE8_MEMBER( segas18_state::lghost_gun_recoil_w )
{
output_set_value("P1_Gun_Recoil", (~data & 0x01));
output_set_value("P2_Gun_Recoil", (~data & 0x02)>>1);
output_set_value("P3_Gun_Recoil", (~data & 0x04)>>2);
}
/*************************************
*
@ -575,22 +505,6 @@ WRITE8_MEMBER( segas18_state::mcu_data_w )
m_mcu->set_input_line(MCS51_INT1_LINE, HOLD_LINE);
}
/*************************************
*
* VDP memory handlers
*
*************************************/
READ16_MEMBER( segas18_state::genesis_vdp_r )
{
return m_vdp->vdp_r(space, offset, mem_mask);
}
WRITE16_MEMBER( segas18_state::genesis_vdp_w )
{
m_vdp->vdp_w(space, offset, data, mem_mask);
}
/*************************************
@ -681,10 +595,7 @@ static INPUT_PORTS_START( system18_generic )
PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_COCKTAIL
PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_COCKTAIL
PORT_START("PORTC")
PORT_BIT( 0xff, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_START("PORTD")
PORT_START("P3")
PORT_BIT( 0xff, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_START("SERVICE")
@ -709,9 +620,6 @@ static INPUT_PORTS_START( system18_generic )
PORT_DIPUNUSED_DIPLOC( 0x20, IP_ACTIVE_LOW, "SW2:6" )
PORT_DIPUNUSED_DIPLOC( 0x40, IP_ACTIVE_LOW, "SW2:7" )
PORT_DIPUNUSED_DIPLOC( 0x80, IP_ACTIVE_LOW, "SW2:8" )
PORT_START("PORTH")
PORT_BIT( 0xff, IP_ACTIVE_LOW, IPT_UNUSED )
INPUT_PORTS_END
@ -725,7 +633,7 @@ INPUT_PORTS_END
static INPUT_PORTS_START( astorm )
PORT_INCLUDE( system18_generic )
PORT_MODIFY("PORTC")
PORT_MODIFY("P3")
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(3)
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(3)
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_PLAYER(3)
@ -877,7 +785,7 @@ static INPUT_PORTS_START( ddcrew )
PORT_DIPSETTING( 0x40, DEF_STR( Hard ) )
PORT_DIPSETTING( 0x00, DEF_STR( Hardest ) )
PORT_START("P3")
PORT_START("EXP3")
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(3)
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(3)
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_PLAYER(3)
@ -887,7 +795,7 @@ static INPUT_PORTS_START( ddcrew )
PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_PLAYER(3)
PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_PLAYER(3)
PORT_START("P4")
PORT_START("EXP4")
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(4)
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(4)
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_PLAYER(4)
@ -897,7 +805,7 @@ static INPUT_PORTS_START( ddcrew )
PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_PLAYER(4)
PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_PLAYER(4)
PORT_START("P34START")
PORT_START("EXSERVICE")
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_START3 )
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_START4 )
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_COIN3 ) // individual mode
@ -936,7 +844,7 @@ INPUT_PORTS_END
static INPUT_PORTS_START( ddcrew3p )
PORT_INCLUDE( ddcrew2p )
PORT_MODIFY("PORTC")
PORT_MODIFY("P3")
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(3)
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(3)
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_PLAYER(3)
@ -955,7 +863,7 @@ INPUT_PORTS_END
static INPUT_PORTS_START( desertbr )
PORT_INCLUDE( system18_generic )
PORT_MODIFY("PORTC")
PORT_MODIFY("P3")
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(3)
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(3)
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_PLAYER(3)
@ -1101,7 +1009,7 @@ INPUT_PORTS_END
static INPUT_PORTS_START( mwalk )
PORT_INCLUDE( system18_generic )
PORT_MODIFY("PORTC")
PORT_MODIFY("P3")
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(3)
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(3)
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_PLAYER(3)
@ -1281,10 +1189,7 @@ WRITE_LINE_MEMBER(segas18_state::vdp_lv4irqline_callback_s18)
WRITE_LINE_MEMBER(segas18_state::ym3438_irq_handler)
{
if (state)
m_soundcpu->set_input_line(INPUT_LINE_IRQ0, ASSERT_LINE );
else
m_soundcpu->set_input_line(INPUT_LINE_IRQ0, CLEAR_LINE );
m_soundcpu->set_input_line(INPUT_LINE_IRQ0, state ? ASSERT_LINE : CLEAR_LINE);
}
@ -1303,6 +1208,17 @@ static MACHINE_CONFIG_START( system18, segas18_state )
MCFG_SEGA_315_5195_MAPPER_ADD("mapper", "maincpu", segas18_state, memory_mapper, mapper_sound_r, mapper_sound_w)
MCFG_DEVICE_ADD("io", SEGA_315_5296, 16000000)
MCFG_315_5296_IN_PORTA_CB(IOPORT("P1"))
MCFG_315_5296_IN_PORTB_CB(IOPORT("P2"))
MCFG_315_5296_IN_PORTC_CB(IOPORT("P3"))
MCFG_315_5296_OUT_PORTD_CB(WRITE8(segas18_state, misc_outputs_w))
MCFG_315_5296_IN_PORTE_CB(IOPORT("SERVICE"))
MCFG_315_5296_IN_PORTF_CB(IOPORT("COINAGE"))
MCFG_315_5296_IN_PORTG_CB(IOPORT("DSW"))
MCFG_315_5296_OUT_PORTH_CB(WRITE8(segas18_state, rom_5874_bank_w))
MCFG_315_5296_OUT_CNT1_CB(DEVWRITELINE("segaic16vid", segaic16_video_device, segaic16_set_display_enable))
MCFG_315_5296_OUT_CNT2_CB(WRITELINE(segas18_state, set_vdp_enable))
MCFG_DEVICE_ADD("gen_vdp", SEGA315_5313, 0)
MCFG_SEGA315_5313_IS_PAL(false)
@ -1315,10 +1231,9 @@ static MACHINE_CONFIG_START( system18, segas18_state )
MCFG_TIMER_DEVICE_ADD_SCANLINE("scantimer", "gen_vdp", sega315_5313_device, megadriv_scanline_timer_callback_alt_timing, "screen", 0, 1)
// video hardware
MCFG_SCREEN_ADD("screen", RASTER)
MCFG_SCREEN_REFRESH_RATE(57.23) // verified on pcb
MCFG_SCREEN_REFRESH_RATE(57.23) // verified on pcb
MCFG_SCREEN_SIZE(342,262)
MCFG_SCREEN_VISIBLE_AREA(0*8, 40*8-1, 0*8, 28*8-1)
MCFG_SCREEN_UPDATE_DRIVER(segas18_state, screen_update)
@ -1347,12 +1262,24 @@ MACHINE_CONFIG_END
static MACHINE_CONFIG_DERIVED( system18_fd1094, system18 )
// basic machine hardware
MCFG_CPU_REPLACE("maincpu", FD1094, 10000000)
MCFG_CPU_PROGRAM_MAP(system18_map)
MCFG_CPU_VBLANK_INT_DRIVER("screen", segas18_state, irq4_line_hold)
MACHINE_CONFIG_END
static MACHINE_CONFIG_DERIVED( lghost, system18_fd1094 )
// basic machine hardware
MCFG_DEVICE_MODIFY("io")
MCFG_315_5296_OUT_PORTC_CB(WRITE8(segas18_state, lghost_gun_recoil_w))
MACHINE_CONFIG_END
static MACHINE_CONFIG_DERIVED( system18_fd1094_i8751, system18_fd1094 )
// basic machine hardware
MCFG_CPU_MODIFY("maincpu")
MCFG_CPU_VBLANK_INT_REMOVE()
@ -2403,7 +2330,6 @@ DRIVER_INIT_MEMBER(segas18_state,ddcrew)
DRIVER_INIT_MEMBER(segas18_state,lghost)
{
m_has_guns = true;
init_generic_5987();
m_custom_io_r = read16_delegate(FUNC(segas18_state::lghost_custom_io_r), this);
m_custom_io_w = write16_delegate(FUNC(segas18_state::lghost_custom_io_w), this);
@ -2440,8 +2366,8 @@ GAME( 1991, ddcrew1, ddcrew, system18_fd1094, ddcrew, segas18_state,
GAME( 1991, ddcrewj, ddcrew, system18_fd1094, ddcrew, segas18_state, ddcrew, ROT0, "Sega", "D. D. Crew (Japan, 4 Players, FD1094 317-0185)", 0 )
GAME( 1991, ddcrewj2, ddcrew, system18_fd1094, ddcrew2p, segas18_state, ddcrew, ROT0, "Sega", "D. D. Crew (Japan, 2 Players, FD1094 317-0182)", 0 )
GAME( 1991, hamaway, 0, system18, hamaway, segas18_state, hamaway, ROT90, "Sega / Santos", "Hammer Away (Japan, prototype)", 0 )
GAME( 1990, lghost, 0, system18_fd1094, lghost, segas18_state, lghost, ROT0, "Sega", "Laser Ghost (World, FD1094 317-0166)", 0 )
GAME( 1990, lghostu, lghost, system18_fd1094, lghost, segas18_state, lghost, ROT0, "Sega", "Laser Ghost (US, FD1094 317-0165)", 0 )
GAME( 1990, lghost, 0, lghost, lghost, segas18_state, lghost, ROT0, "Sega", "Laser Ghost (World, FD1094 317-0166)", 0 )
GAME( 1990, lghostu, lghost, lghost, lghost, segas18_state, lghost, ROT0, "Sega", "Laser Ghost (US, FD1094 317-0165)", 0 )
GAME( 1990, mwalk, 0, system18_fd1094_i8751,mwalk, segas18_state, generic_5874, ROT0, "Sega", "Michael Jackson's Moonwalker (World, FD1094/8751 317-0159)", 0 )
GAME( 1990, mwalku, mwalk, system18_fd1094_i8751,mwalka, segas18_state, generic_5874, ROT0, "Sega", "Michael Jackson's Moonwalker (US, FD1094/8751 317-0158)", 0 )
GAME( 1990, mwalkj, mwalk, system18_fd1094_i8751,mwalk, segas18_state, generic_5874, ROT0, "Sega", "Michael Jackson's Moonwalker (Japan, FD1094/8751 317-0157)", 0 )
@ -2449,5 +2375,5 @@ GAME( 1989, pontoon, 0, system18_fd1094, shdancer, segas18_state,
GAME( 1989, shdancer, 0, system18, shdancer, segas18_state, generic_shad, ROT0, "Sega", "Shadow Dancer (World)", 0 )
GAME( 1989, shdancerj, shdancer, system18, shdancer, segas18_state, generic_shad, ROT0, "Sega", "Shadow Dancer (Japan)", 0 )
GAME( 1989, shdancer1, shdancer, system18, shdancer, segas18_state, generic_shad, ROT0, "Sega", "Shadow Dancer (US)", 0 )
GAME( 1992, wwallyj, 0, system18_fd1094, wwally, segas18_state, wwally, ROT0, "Sega", "Wally wo Sagase! (rev B, Japan, FD1094 317-0197B)", 0) // the roms do contain an english logo so maybe there is a world / us set too
GAME( 1992, wwallyj, 0, system18_fd1094, wwally, segas18_state, wwally, ROT0, "Sega", "Wally wo Sagase! (rev B, Japan, FD1094 317-0197B)", 0 ) // the roms do contain an english logo so maybe there is a world / us set too
GAME( 1992, wwallyja, wwallyj, system18_fd1094, wwally, segas18_state, wwally, ROT0, "Sega", "Wally wo Sagase! (rev A, Japan, FD1094 317-0197A)", 0 )

49
src/mame/includes/segas18.h
View File

@ -11,6 +11,7 @@
#include "cpu/z80/z80.h"
#include "machine/nvram.h"
#include "machine/segaic16.h"
#include "machine/315_5296.h"
#include "video/315_5313.h"
#include "video/segaic16.h"
#include "video/sega16sp.h"
@ -29,21 +30,20 @@ public:
m_soundcpu(*this, "soundcpu"),
m_mcu(*this, "mcu"),
m_vdp(*this, "gen_vdp"),
m_io(*this, "io"),
m_nvram(*this, "nvram"),
m_sprites(*this, "sprites"),
m_segaic16vid(*this, "segaic16vid"),
m_gfxdecode(*this, "gfxdecode"),
m_workram(*this, "workram"),
m_romboard(ROM_BOARD_INVALID),
m_has_guns(false),
m_grayscale_enable(false),
m_vdp_enable(false),
m_vdp_mixing(0),
m_mcu_data(0),
m_lghost_value(0),
m_lghost_select(0),
m_gfxdecode(*this, "gfxdecode")
m_lghost_select(0)
{
memset(m_misc_io_data, 0, sizeof(m_misc_io_data));
memset(m_wwally_last_x, 0, sizeof(m_wwally_last_x));
memset(m_wwally_last_y, 0, sizeof(m_wwally_last_y));
}
@ -63,26 +63,21 @@ public:
void mapper_sound_w(UINT8 data);
// read/write handlers
DECLARE_WRITE8_MEMBER( rom_5874_bank_w );
DECLARE_WRITE16_MEMBER( rom_5987_bank_w );
DECLARE_WRITE16_MEMBER( rom_837_7525_bank_w );
DECLARE_READ16_MEMBER( io_chip_r );
DECLARE_WRITE16_MEMBER( io_chip_w );
DECLARE_WRITE8_MEMBER( misc_outputs_w );
DECLARE_READ16_MEMBER( misc_io_r );
DECLARE_WRITE16_MEMBER( misc_io_w );
DECLARE_WRITE8_MEMBER( soundbank_w );
DECLARE_WRITE8_MEMBER( mcu_data_w );
DECLARE_READ16_MEMBER( genesis_vdp_r );
DECLARE_WRITE16_MEMBER( genesis_vdp_w );
DECLARE_WRITE_LINE_MEMBER(vdp_sndirqline_callback_s18);
DECLARE_WRITE_LINE_MEMBER(vdp_lv6irqline_callback_s18);
DECLARE_WRITE_LINE_MEMBER(vdp_lv4irqline_callback_s18);
DECLARE_WRITE_LINE_MEMBER(ym3438_irq_handler);
// custom I/O
DECLARE_READ16_MEMBER( ddcrew_custom_io_r );
DECLARE_READ16_MEMBER( lghost_custom_io_r );
DECLARE_WRITE8_MEMBER( lghost_gun_recoil_w );
DECLARE_WRITE16_MEMBER( lghost_custom_io_w );
DECLARE_READ16_MEMBER( wwally_custom_io_r );
DECLARE_WRITE16_MEMBER( wwally_custom_io_w );
@ -90,11 +85,18 @@ public:
// video rendering
UINT32 screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
DECLARE_WRITE16_MEMBER( sega_tileram_0_w ) { m_segaic16vid->segaic16_tileram_0_w(space,offset,data,mem_mask); };
DECLARE_WRITE16_MEMBER( sega_textram_0_w ) { m_segaic16vid->segaic16_textram_0_w(space,offset,data,mem_mask); };
DECLARE_WRITE_LINE_MEMBER(ym3438_irq_handler);
DECLARE_WRITE_LINE_MEMBER(vdp_sndirqline_callback_s18);
DECLARE_WRITE_LINE_MEMBER(vdp_lv6irqline_callback_s18);
DECLARE_WRITE_LINE_MEMBER(vdp_lv4irqline_callback_s18);
DECLARE_READ16_MEMBER( genesis_vdp_r ) { return m_vdp->vdp_r(space, offset, mem_mask); }
DECLARE_WRITE16_MEMBER( genesis_vdp_w ) { m_vdp->vdp_w(space, offset, data, mem_mask); }
DECLARE_WRITE16_MEMBER( sega_tileram_0_w ) { m_segaic16vid->segaic16_tileram_0_w(space, offset, data, mem_mask); }
DECLARE_WRITE16_MEMBER( sega_textram_0_w ) { m_segaic16vid->segaic16_textram_0_w(space, offset, data, mem_mask); }
DECLARE_WRITE_LINE_MEMBER(set_grayscale);
DECLARE_WRITE_LINE_MEMBER(set_vdp_enable);
protected:
// timer IDs
enum
@ -110,7 +112,6 @@ protected:
ROM_BOARD_171_5874, // 171-5874
ROM_BOARD_171_5987, // 171-5987
ROM_BOARD_837_7525 // Hammer Away proto
};
// device overrides
@ -120,8 +121,6 @@ protected:
// internal helpers
void init_generic(segas18_rom_board rom_board);
void set_grayscale(bool enable);
void set_vdp_enable(bool enable);
void set_vdp_mixing(UINT8 mixing);
void draw_vdp(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect, int priority);
@ -131,9 +130,11 @@ protected:
required_device<z80_device> m_soundcpu;
optional_device<i8751_device> m_mcu;
required_device<sega315_5313_device> m_vdp;
required_device<sega_315_5296_device> m_io;
required_device<nvram_device> m_nvram;
required_device<sega_sys16b_sprite_device> m_sprites;
required_device<segaic16_video_device> m_segaic16vid;
required_device<gfxdecode_device> m_gfxdecode;
// memory pointers
required_shared_ptr<UINT16> m_workram;
@ -142,21 +143,17 @@ protected:
segas18_rom_board m_romboard;
read16_delegate m_custom_io_r;
write16_delegate m_custom_io_w;
bool m_has_guns;
// internal state
bool m_grayscale_enable;
bool m_vdp_enable;
int m_grayscale_enable;
int m_vdp_enable;
UINT8 m_vdp_mixing;
bitmap_ind16 m_temp_bitmap;
UINT8 m_mcu_data;
UINT8 m_misc_io_data[0x10];
// game-specific state
UINT8 m_wwally_last_x[3];
UINT8 m_wwally_last_y[3];
UINT8 m_lghost_value;
UINT8 m_lghost_select;
required_device<gfxdecode_device> m_gfxdecode;
};

18
src/mame/video/segas18.c
View File

@ -29,8 +29,8 @@
void segas18_state::video_start()
{
m_temp_bitmap.allocate(m_screen->width(), m_screen->height());
m_grayscale_enable = false;
m_vdp_enable = false;
m_grayscale_enable = 0;
m_vdp_enable = 0;
m_vdp_mixing = 0;
// initialize the tile/text layers
@ -50,23 +50,23 @@ void segas18_state::video_start()
*
*************************************/
void segas18_state::set_grayscale(bool enable)
WRITE_LINE_MEMBER(segas18_state::set_grayscale)
{
if (enable != m_grayscale_enable)
if (state != m_grayscale_enable)
{
m_screen->update_partial(m_screen->vpos());
m_grayscale_enable = enable;
m_grayscale_enable = state;
// osd_printf_debug("Grayscale = %02X\n", enable);
}
}
void segas18_state::set_vdp_enable(bool enable)
WRITE_LINE_MEMBER(segas18_state::set_vdp_enable)
{
if (enable != m_vdp_enable)
if (state != m_vdp_enable)
{
m_screen->update_partial(m_screen->vpos());
m_vdp_enable = enable;
m_vdp_enable = state;
#if DEBUG_VDP
osd_printf_debug("VDP enable = %02X\n", enable);
#endif
@ -222,6 +222,7 @@ UINT32 segas18_state::screen_update(screen_device &screen, bitmap_ind16 &bitmap,
// mix in sprites
bitmap_ind16 &sprites = m_sprites->bitmap();
for (const sparse_dirty_rect *rect = m_sprites->first_dirty_rect(cliprect); rect != NULL; rect = rect->next())
{
for (int y = rect->min_y; y <= rect->max_y; y++)
{
UINT16 *dest = &bitmap.pix(y);
@ -248,6 +249,7 @@ UINT32 segas18_state::screen_update(screen_device &screen, bitmap_ind16 &bitmap,
}
}
}
}
#if DEBUG_VDP
if (m_vdp_enable && machine().input().code_pressed(KEYCODE_V))