cosmicg: Driver overhaul

- Separate driver from cosmic.cpp
- Add MC6845 CRTC and use it for all video updates
- Configure screen with raw parameters
- Add support for display flipping in cocktail mode
This commit is contained in:
AJR 2021-01-19 21:28:17 -05:00
parent 00b7f71435
commit d90099fc75
7 changed files with 465 additions and 350 deletions

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@ -4450,6 +4450,7 @@ files {
MAME_DIR .. "src/mame/drivers/cosmic.cpp",
MAME_DIR .. "src/mame/includes/cosmic.h",
MAME_DIR .. "src/mame/video/cosmic.cpp",
MAME_DIR .. "src/mame/drivers/cosmicg.cpp",
MAME_DIR .. "src/mame/drivers/docastle.cpp",
MAME_DIR .. "src/mame/includes/docastle.h",
MAME_DIR .. "src/mame/machine/docastle.cpp",

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@ -260,6 +260,7 @@ cops.cpp
copsnrob.cpp
corona.cpp
cosmic.cpp
cosmicg.cpp
cowtipping.cpp
cps1.cpp
cps1bl_5205.cpp

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@ -27,10 +27,6 @@ a physical DSW B but only read when SWA:3,4 are both set to OFF. Currently,
* In devzone, setting SWA:3,4 on anything but OFF,OFF results in no coins
accepted at all
cosmicg - background should be blue
cosmicg - board can operate in b&w mode if there is no PROM, in this case
a colour overlay should be used.
***************************************************************************/
@ -127,67 +123,6 @@ void cosmic_state::panic_sound_output2_w(offs_t offset, uint8_t data)
#endif
}
void cosmic_state::cosmicg_output_w(offs_t offset, uint8_t data)
{
/* Sound Enable / Disable */
if (offset == 12)
{
int count;
m_sound_enabled = data;
if (data == 0)
for (count = 0; count < 9; count++)
m_samples->stop(count);
}
if (m_sound_enabled)
{
switch (offset)
{
/* The schematics show a direct link to the sound amp */
/* as other cosmic series games, but it is toggled */
/* once during game over. It is implemented for sake */
/* of completeness. */
case 1: m_dac->write(BIT(data, 0)); break; /* Game Over */
case 2: if (data) m_samples->start(0, m_march_select); break; /* March Sound */
case 3: m_march_select = (m_march_select & 0xfe) | data; break;
case 4: m_march_select = (m_march_select & 0xfd) | (data << 1); break;
case 5: m_march_select = (m_march_select & 0xfb) | (data << 2); break;
case 6: if (data) /* Killer Attack (crawly thing at bottom of screen) */
m_samples->start(1, 8, true);
else
m_samples->stop(1);
break;
case 7: if (data) /* Bonus Chance & Got Bonus */
{
m_samples->stop(4);
m_samples->start(4, 10);
}
break;
case 8: if (data)
{
if (!m_samples->playing(4)) m_samples->start(4, 9, true);
}
else
m_samples->stop(4);
break;
case 9: if (data) m_samples->start(3, 11); break; /* Got Ship */
case 11: /* watchdog_reset_w(0, 0); */ break; /* Watchdog? only toggles during game play */
case 13: if (data) m_samples->start(8, 13 - m_gun_die_select); break; /* Got Monster / Gunshot */
case 14: m_gun_die_select = data; break;
case 15: if (data) m_samples->start(5, 14); break; /* Coin Extend (extra base) */
}
}
#ifdef MAME_DEBUG
if (offset != 11) logerror("cosmicg_output_w %x=%x\n", offset, data);
#endif
}
void cosmic_state::cosmica_sound_output_w(offs_t offset, uint8_t data)
{
@ -313,20 +248,6 @@ uint8_t cosmic_state::cosmica_pixel_clock_r()
return (m_screen->vpos() >> 2) & 0x3f;
}
uint8_t cosmic_state::cosmicg_port_0_r(offs_t offset)
{
/* The top four address lines from the CRTC are bits 0-3 */
if (offset >= 4)
return BIT(m_in_ports[0]->read(), offset);
else
return BIT(m_screen->vpos(), offset + 4);
}
uint8_t cosmic_state::cosmicg_port_1_r(offs_t offset)
{
return BIT(m_in_ports[1]->read(), offset);
}
uint8_t cosmic_state::magspot_coinage_dip_r(offs_t offset)
{
return (m_dsw.read_safe(0) & (1 << (7 - offset))) ? 0 : 1;
@ -391,21 +312,6 @@ void cosmic_state::cosmica_map(address_map &map)
}
void cosmic_state::cosmicg_map(address_map &map)
{
map(0x0000, 0x1fff).rom();
map(0x2000, 0x3fff).ram().share("videoram");
}
void cosmic_state::cosmicg_io_map(address_map &map)
{
map(0x0000, 0x000f).r(FUNC(cosmic_state::cosmicg_port_0_r));
map(0x0010, 0x001f).r(FUNC(cosmic_state::cosmicg_port_1_r));
map(0x0000, 0x002b).w(FUNC(cosmic_state::cosmicg_output_w));
map(0x002c, 0x002f).w(FUNC(cosmic_state::cosmic_color_register_w));
}
void cosmic_state::magspot_map(address_map &map)
{
map(0x0000, 0x2fff).rom();
@ -537,58 +443,6 @@ static INPUT_PORTS_START( cosmica )
PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_COIN1 ) PORT_CHANGED_MEMBER(DEVICE_SELF, cosmic_state,cosmica_coin_inserted, 0)
INPUT_PORTS_END
/* These are used for the CR handling - This can be used to */
/* from 1 to 16 bits from any bit offset between 0 and 4096 */
/* Offsets are in BYTES, so bits 0-7 are at offset 0 etc. */
INPUT_CHANGED_MEMBER(cosmic_state::cosmicg_coin_inserted)
{
m_maincpu->set_input_line(INT_9980A_LEVEL4, newval? ASSERT_LINE : CLEAR_LINE);
}
static INPUT_PORTS_START( cosmicg )
PORT_START("IN0") /* 4-7 */
PORT_BIT( 0x0f, IP_ACTIVE_LOW, IPT_CUSTOM ) /* pixel clock */
PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_START1 )
PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_START2 )
PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_BUTTON1 )
PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_2WAY
PORT_START("IN1") /* 8-15 */
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_2WAY
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_COCKTAIL
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT) PORT_2WAY PORT_COCKTAIL
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT) PORT_2WAY PORT_COCKTAIL
PORT_DIPNAME( 0x30, 0x30, DEF_STR( Bonus_Life ) ) PORT_DIPLOCATION("SW:2,1")
PORT_DIPSETTING( 0x10, "1000" )
PORT_DIPSETTING( 0x20, "1500" )
PORT_DIPSETTING( 0x30, "2000" )
PORT_DIPSETTING( 0x00, DEF_STR( None ) )
PORT_DIPNAME( 0x40, 0x00, DEF_STR( Coinage ) ) PORT_DIPLOCATION("SW:3")
PORT_DIPSETTING( 0x40, DEF_STR( 2C_1C ) )
PORT_DIPSETTING( 0x00, DEF_STR( 1C_1C ) )
PORT_DIPNAME( 0x80, 0x00, DEF_STR( Lives ) ) PORT_DIPLOCATION("SW:4")
PORT_DIPSETTING( 0x00, "3" )
PORT_DIPSETTING( 0x80, "5" )
PORT_START("IN2") /* Hard wired settings */
PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_COIN1 ) PORT_CHANGED_MEMBER(DEVICE_SELF, cosmic_state,cosmicg_coin_inserted, 0)
/* This dip switch is not read by the program at any time */
/* but is wired to enable or disable the flip screen output */
PORT_DIPNAME( 0x02, 0x00, DEF_STR( Cabinet ) ) PORT_DIPLOCATION("SW:5")
PORT_DIPSETTING( 0x00, DEF_STR( Upright ) )
PORT_DIPSETTING( 0x02, DEF_STR( Cocktail ) )
/* This odd setting is marked as shown on the schematic, */
/* and again, is not read by the program, but wired into */
/* the watchdog circuit. The book says to leave it off */
PORT_DIPUNUSED_DIPLOC( 0x04, 0x00, "SW:6" )
INPUT_PORTS_END
INPUT_CHANGED_MEMBER(cosmic_state::coin_inserted_irq0)
{
m_maincpu->set_input_line(0, newval ? HOLD_LINE : CLEAR_LINE);
@ -935,68 +789,30 @@ static const char *const panic_sample_names[] =
};
static const char *const cosmicg_sample_names[] =
{
"*cosmicg",
"cg_m0", /* 8 Different pitches of March Sound */
"cg_m1",
"cg_m2",
"cg_m3",
"cg_m4",
"cg_m5",
"cg_m6",
"cg_m7",
"cg_att", /* Killer Attack */
"cg_chnc", /* Bonus Chance */
"cg_gotb", /* Got Bonus - have not got correct sound for */
"cg_dest", /* Gun Destroy */
"cg_gun", /* Gun Shot */
"cg_gotm", /* Got Monster */
"cg_ext", /* Coin Extend */
nullptr
};
MACHINE_START_MEMBER(cosmic_state,cosmic)
void cosmic_state::machine_start()
{
save_item(NAME(m_sound_enabled));
save_item(NAME(m_march_select));
save_item(NAME(m_gun_die_select));
save_item(NAME(m_dive_bomb_b_select));
save_item(NAME(m_pixel_clock));
save_item(NAME(m_background_enable));
save_item(NAME(m_color_registers));
}
MACHINE_RESET_MEMBER(cosmic_state,cosmic)
void cosmic_state::machine_reset()
{
m_pixel_clock = 0;
m_background_enable = 0;
m_color_registers[0] = 0;
m_color_registers[1] = 0;
m_color_registers[2] = 0;
}
MACHINE_RESET_MEMBER(cosmic_state,cosmicg)
{
m_pixel_clock = 0;
m_background_enable = 0;
m_color_registers[0] = 0;
m_color_registers[1] = 0;
m_color_registers[2] = 0;
m_maincpu->set_input_line(INT_9980A_RESET, ASSERT_LINE);
m_maincpu->set_input_line(INT_9980A_RESET, CLEAR_LINE);
}
void cosmic_state::cosmic(machine_config &config)
{
/* basic machine hardware */
Z80(config, m_maincpu, Z80_MASTER_CLOCK/6); /* 1.8026 MHz */
MCFG_MACHINE_START_OVERRIDE(cosmic_state,cosmic)
MCFG_MACHINE_RESET_OVERRIDE(cosmic_state,cosmic)
/* video hardware */
SCREEN(config, m_screen, SCREEN_TYPE_RASTER);
m_screen->set_refresh_hz(60);
@ -1064,38 +880,6 @@ void cosmic_state::cosmica(machine_config &config)
m_samples->add_route(ALL_OUTPUTS, "speaker", 0.25);
}
void cosmic_state::cosmicg(machine_config &config)
{
/* basic machine hardware */
TMS9980A(config, m_maincpu, COSMICG_MASTER_CLOCK); // 9.828 MHz Crystal
m_maincpu->set_addrmap(AS_PROGRAM, &cosmic_state::cosmicg_map);
m_maincpu->set_addrmap(AS_IO, &cosmic_state::cosmicg_io_map);
MCFG_MACHINE_START_OVERRIDE(cosmic_state,cosmic)
MCFG_MACHINE_RESET_OVERRIDE(cosmic_state,cosmicg)
/* video hardware */
SCREEN(config, m_screen, SCREEN_TYPE_RASTER);
m_screen->set_refresh_hz(60);
m_screen->set_size(32*8, 32*8);
m_screen->set_visarea(0*8, 32*8-1, 4*8, 28*8-1);
m_screen->set_screen_update(FUNC(cosmic_state::screen_update_cosmicg));
m_screen->set_palette(m_palette);
PALETTE(config, m_palette, FUNC(cosmic_state::cosmicg_palette), 16);
/* sound hardware */
SPEAKER(config, "speaker").front_center();
SAMPLES(config, m_samples);
m_samples->set_channels(9);
m_samples->set_samples_names(cosmicg_sample_names);
m_samples->add_route(ALL_OUTPUTS, "speaker", 0.25);
DAC_1BIT(config, m_dac, 0).add_route(ALL_OUTPUTS, "speaker", 0.5); // NE556
// Other DACs include 3-bit binary-weighted (100K/50K/25K) DAC combined with another NE556 for attack march
}
void cosmic_state::magspot(machine_config &config)
{
cosmic(config);
@ -1359,37 +1143,6 @@ ROM_START( cosmica3 ) // main: 7910-AII sub: 7910-BII sound: 7910-S
ROM_LOAD( "8-8.ic10", 0x0000, 0x0400, CRC(acbd4e98) SHA1(d33fe8bdc77bb18a3ffb369ea692210d1b890771) )
ROM_END
ROM_START( cosmicg )
ROM_REGION( 0x10000, "maincpu", 0 ) /* 8k for code */
ROM_LOAD( "cosmicg1.bin", 0x0000, 0x0400, CRC(e1b9f894) SHA1(bab7fd9b3db145a889542653191905b6efc5ce75) )
ROM_LOAD( "cosmicg2.bin", 0x0400, 0x0400, CRC(35c75346) SHA1(4e50eaa0b50ab04802dc63992ad2600c227301ad) )
ROM_LOAD( "cosmicg3.bin", 0x0800, 0x0400, CRC(82a49b48) SHA1(4cf9f684f3eb18b99a88ca879bb7083b1334f0cc) )
ROM_LOAD( "cosmicg4.bin", 0x0c00, 0x0400, CRC(1c1c934c) SHA1(011b2b3ec4d31869fda13a3654c7bc51f3ce4dc2) )
ROM_LOAD( "cosmicg5.bin", 0x1000, 0x0400, CRC(b1c00fbf) SHA1(136267f75e2d5b445695cabef4538f986e6f1b10) )
ROM_LOAD( "cosmicg6.bin", 0x1400, 0x0400, CRC(f03454ce) SHA1(32c87f369475c7154fe3243d2c7be4a25444e530) )
ROM_LOAD( "cosmicg7.bin", 0x1800, 0x0400, CRC(f33ebae7) SHA1(915bca53d5356e12c94ec765103ceced7306d1dd) )
ROM_LOAD( "cosmicg8.bin", 0x1c00, 0x0400, CRC(472e4990) SHA1(d5797b9d89446aa6533f7515e6a5fc8368d82f91) )
ROM_REGION( 0x0400, "user1", 0 ) /* color map */
ROM_LOAD( "cosmicg9.bin", 0x0000, 0x0400, CRC(689c2c96) SHA1(ddfdc3fd29c56fdebd3b1c3443a7c39f567d5355) )
ROM_END
ROM_START( cosmicgi )
ROM_REGION( 0x10000, "maincpu", 0 ) /* 8k for code */
ROM_LOAD( "1g118.2h", 0x0000, 0x0400, CRC(4bda1711) SHA1(746fd15dbe08c9e2af74547c19a55a84f7b65303) )
ROM_LOAD( "2g118.3h", 0x0400, 0x0400, CRC(3c10b2ba) SHA1(127a950d90420417a91aa3c8fabec7d7e7d526f5) )
ROM_LOAD( "3.4h", 0x0800, 0x0400, CRC(82a49b48) SHA1(4cf9f684f3eb18b99a88ca879bb7083b1334f0cc) )
ROM_LOAD( "4g118.5h", 0x0c00, 0x0400, CRC(42bb0611) SHA1(3894e4372f1443402ea7145b1101e1219fe2cde2) ) // changes in here cause trails when you move the ship, PCB does the same and ROM gives the same read every time, possible a bit has been flipped tho. check
ROM_LOAD( "5.6h", 0x1000, 0x0400, CRC(b1c00fbf) SHA1(136267f75e2d5b445695cabef4538f986e6f1b10) )
ROM_LOAD( "6.7h", 0x1400, 0x0400, CRC(f03454ce) SHA1(32c87f369475c7154fe3243d2c7be4a25444e530) )
ROM_LOAD( "7.8h", 0x1800, 0x0400, CRC(84656c97) SHA1(2180faa07dd5bc618c80ae033babfc1191a0b890) ) // standard label but different anyway?
ROM_LOAD( "8g128.9h", 0x1c00, 0x0400, CRC(7f48307c) SHA1(5929c131d790b0c8f9113730715531809c6840e2) )
ROM_REGION( 0x0400, "user1", 0 ) /* color map */ // population of this is optional, board runs as b&w without (this board didn't have it populated)
ROM_LOAD( "cosmicg9.bin", 0x0000, 0x0400, CRC(689c2c96) SHA1(ddfdc3fd29c56fdebd3b1c3443a7c39f567d5355) )
ROM_END
/* rom 9 not dumped according to readme? */
ROM_START( magspot )
@ -1533,29 +1286,6 @@ ROM_START( nomnlndg )
ROM_END
void cosmic_state::init_cosmicg()
{
/* Program ROMs have data pins connected different from normal */
offs_t len = memregion("maincpu")->bytes();
uint8_t *rom = memregion("maincpu")->base();
for (offs_t offs = 0; offs < len; offs++)
{
uint8_t scrambled = rom[offs];
uint8_t normal = (scrambled >> 3 & 0x11)
| (scrambled >> 1 & 0x22)
| (scrambled << 1 & 0x44)
| (scrambled << 3 & 0x88);
rom[offs] = normal;
}
m_sound_enabled = 0;
m_march_select = 0;
m_gun_die_select = 0;
}
void cosmic_state::init_cosmica()
{
m_sound_enabled = 1;
@ -1583,8 +1313,6 @@ void cosmic_state::init_panic()
}
GAME( 1979, cosmicg, 0, cosmicg, cosmicg, cosmic_state, init_cosmicg, ROT270, "Universal", "Cosmic Guerilla", MACHINE_IMPERFECT_SOUND | MACHINE_NO_COCKTAIL /*| MACHINE_SUPPORTS_SAVE */)
GAME( 1979, cosmicgi, cosmicg, cosmicg, cosmicg, cosmic_state, init_cosmicg, ROT270, "bootleg (Inder)", "Cosmic Guerilla (Spanish bootleg)", MACHINE_IMPERFECT_SOUND | MACHINE_NO_COCKTAIL /*| MACHINE_SUPPORTS_SAVE */)
GAME( 1979, cosmica, 0, cosmica, cosmica, cosmic_state, init_cosmica, ROT270, "Universal", "Cosmic Alien (version II, set 1)", MACHINE_IMPERFECT_SOUND | MACHINE_SUPPORTS_SAVE )
GAME( 1979, cosmica3, cosmica, cosmica, cosmica, cosmic_state, init_cosmica, ROT270, "Universal", "Cosmic Alien (version II, set 2)", MACHINE_IMPERFECT_SOUND | MACHINE_SUPPORTS_SAVE )
GAME( 1979, cosmica1, cosmica, cosmica, cosmica, cosmic_state, init_cosmica, ROT270, "Universal", "Cosmic Alien (first version)", MACHINE_IMPERFECT_SOUND | MACHINE_SUPPORTS_SAVE )

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@ -0,0 +1,433 @@
// license:BSD-3-Clause
// copyright-holders:Nicola Salmoria, Lee Taylor, AJR
/***************************************************************************
Cosmic Guerilla by Universal (board number 7907A)
Notes:
- background should be blue
- board can operate in b&w mode if there is no PROM, in this case
a colour overlay should be used.
***************************************************************************/
#include "emu.h"
#include "cpu/tms9900/tms9980a.h"
#include "sound/dac.h"
#include "sound/samples.h"
#include "video/mc6845.h"
#include "emupal.h"
#include "screen.h"
#include "speaker.h"
class cosmicg_state : public driver_device
{
public:
cosmicg_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag)
, m_maincpu(*this, "maincpu")
, m_crtc(*this, "crtc")
, m_palette(*this, "palette")
, m_samples(*this, "samples")
, m_dac(*this, "dac")
, m_in_ports(*this, "IN%u", 0)
, m_videoram(*this, "videoram")
, m_colormap(*this, "colormap")
{
}
void cosmicg(machine_config &config);
void init_cosmicg();
DECLARE_INPUT_CHANGED_MEMBER(coin_inserted);
protected:
virtual void machine_start() override;
virtual void machine_reset() override;
private:
void cosmicg_palette(palette_device &palette);
MC6845_UPDATE_ROW(draw_scanline);
void cosmicg_output_w(offs_t offset, u8 data);
u8 cosmicg_port_0_r(offs_t offset);
u8 cosmicg_port_1_r(offs_t offset);
void cosmic_color_register_w(offs_t offset, u8 data);
void mem_map(address_map &map);
void cru_map(address_map &map);
required_device<cpu_device> m_maincpu;
required_device<mc6845_device> m_crtc;
required_device<palette_device> m_palette;
required_device<samples_device> m_samples;
required_device<dac_bit_interface> m_dac;
required_ioport_array<3> m_in_ports;
required_shared_ptr<u8> m_videoram;
required_region_ptr<u8> m_colormap;
/* video-related */
int m_color_registers[2];
bool m_flip_screen;
/* sound-related */
int m_sound_enabled;
int m_march_select;
int m_gun_die_select;
};
/*
* Cosmic guerilla table setup
*
* Use AA for normal, FF for Full Red
* Bit 0 = R, bit 1 = G, bit 2 = B, bit 4 = High Red
*
* It's possible that the background is dark gray and not black, as the
* resistor chain would never drop to zero, Anybody know ?
*/
void cosmicg_state::cosmicg_palette(palette_device &palette)
{
for (int i = 0; i < palette.entries(); i++)
{
int const r = (i > 8) ? 0xff : 0xaa * BIT(i, 0);
int const g = 0xaa * BIT(i, 1);
int const b = 0xaa * BIT(i, 2);
palette.set_pen_color(i, rgb_t(r, g, b));
}
}
void cosmicg_state::cosmicg_output_w(offs_t offset, u8 data)
{
/* Sound Enable / Disable */
if (offset == 12)
{
int count;
m_sound_enabled = data;
if (data == 0)
for (count = 0; count < 9; count++)
m_samples->stop(count);
}
if (m_sound_enabled)
{
switch (offset)
{
/* The schematics show a direct link to the sound amp */
/* as other cosmic series games, but it is toggled */
/* once during game over. It is implemented for sake */
/* of completeness. */
case 1: m_dac->write(BIT(data, 0)); break; /* Game Over */
case 2: if (data) m_samples->start(0, m_march_select); break; /* March Sound */
case 3: m_march_select = (m_march_select & 0xfe) | data; break;
case 4: m_march_select = (m_march_select & 0xfd) | (data << 1); break;
case 5: m_march_select = (m_march_select & 0xfb) | (data << 2); break;
case 6: if (data) /* Killer Attack (crawly thing at bottom of screen) */
m_samples->start(1, 8, true);
else
m_samples->stop(1);
break;
case 7: if (data) /* Bonus Chance & Got Bonus */
{
m_samples->stop(4);
m_samples->start(4, 10);
}
break;
case 8: if (data)
{
if (!m_samples->playing(4)) m_samples->start(4, 9, true);
}
else
m_samples->stop(4);
break;
case 9: if (data) m_samples->start(3, 11); break; /* Got Ship */
case 11: /* watchdog_reset_w(0, 0); */ break; /* Watchdog? only toggles during game play */
case 13: if (data) m_samples->start(8, 13 - m_gun_die_select); break; /* Got Monster / Gunshot */
case 14: m_gun_die_select = data; break;
case 15: if (data) m_samples->start(5, 14); break; /* Coin Extend (extra base) */
}
}
if (offset == 10)
m_flip_screen = BIT(data, 0);
#ifdef MAME_DEBUG
if (offset != 11) logerror("cosmicg_output_w %x=%x\n", offset, data);
#endif
}
u8 cosmicg_state::cosmicg_port_0_r(offs_t offset)
{
/* The top four address lines from the CRTC are bits 0-3 */
if (offset >= 4)
return BIT(m_in_ports[0]->read(), offset);
else
return BIT(m_crtc->get_ma(), offset + 8);
}
u8 cosmicg_state::cosmicg_port_1_r(offs_t offset)
{
return BIT(m_in_ports[1]->read(), offset);
}
void cosmicg_state::cosmic_color_register_w(offs_t offset, u8 data)
{
m_color_registers[offset] = data ? 1 : 0;
}
MC6845_UPDATE_ROW(cosmicg_state::draw_scanline)
{
u32 *pix = &bitmap.pix(y);
u8 const *const colors = &m_colormap[m_color_registers[0] << 8 | m_color_registers[1] << 9];
// MA7-MA12 on schematics are actually MA6-MA11, with RA0 being nominal MA6
if (m_flip_screen && BIT(m_in_ports[2]->read(), 1))
{
while (x_count-- != 0)
{
u16 offs = (~ma & 0x001f) | (~ra & 1) << 5 | (~ma & 0x0fe0) << 1;
u8 data = (offs >= m_videoram.length()) ? 0 : m_videoram[offs];
u8 color = colors[(~offs & 0x1e00) >> 5 | (~offs & 0x001e) >> 1] >> 4;
for (int n = 8; n != 0; n--)
{
*pix++ = m_palette->pen(BIT(data, 0) ? color : color & 0x08);
data >>= 1;
}
ma++;
}
}
else
{
while (x_count-- != 0)
{
u16 offs = (ma & 0x001f) | (ra & 1) << 5 | (ma & 0x0fe0) << 1;
u8 data = (offs >= m_videoram.length()) ? 0 : m_videoram[offs];
u8 color = colors[(offs & 0x1e00) >> 5 | (offs & 0x001e) >> 1] & 0x0f;
for (int n = 8; n != 0; n--)
{
*pix++ = m_palette->pen(BIT(data, 7) ? color : color & 0x08);
data <<= 1;
}
ma++;
}
}
}
void cosmicg_state::mem_map(address_map &map)
{
map(0x0000, 0x1fff).rom().region("program", 0);
map(0x2000, 0x3fff).ram().share("videoram");
// CRTC is accessed through a small hole in the video RAM area with A11 = RS, A12 = R/W & A13 = EN
map(0x3ff0, 0x3ff7).noprw();
map(0x3ff1, 0x3ff1).w("crtc", FUNC(mc6845_device::address_w));
map(0x3ff5, 0x3ff5).w("crtc", FUNC(mc6845_device::register_w));
map(0x3ff7, 0x3ff7).r("crtc", FUNC(mc6845_device::register_r));
}
void cosmicg_state::cru_map(address_map &map)
{
map(0x0000, 0x000f).r(FUNC(cosmicg_state::cosmicg_port_0_r));
map(0x0010, 0x001f).r(FUNC(cosmicg_state::cosmicg_port_1_r));
map(0x0000, 0x002b).w(FUNC(cosmicg_state::cosmicg_output_w));
map(0x002c, 0x002f).w(FUNC(cosmicg_state::cosmic_color_register_w));
}
/* These are used for the CR handling - This can be used to */
/* from 1 to 16 bits from any bit offset between 0 and 4096 */
/* Offsets are in BYTES, so bits 0-7 are at offset 0 etc. */
INPUT_CHANGED_MEMBER(cosmicg_state::coin_inserted)
{
m_maincpu->set_input_line(INT_9980A_LEVEL4, newval ? ASSERT_LINE : CLEAR_LINE);
}
static INPUT_PORTS_START( cosmicg )
PORT_START("IN0") /* 4-7 */
PORT_BIT( 0x0f, IP_ACTIVE_LOW, IPT_CUSTOM ) /* pixel clock */
PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_START1 )
PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_START2 )
PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_BUTTON1 )
PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_2WAY
PORT_START("IN1") /* 8-15 */
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_2WAY
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_COCKTAIL
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT) PORT_2WAY PORT_COCKTAIL
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT) PORT_2WAY PORT_COCKTAIL
PORT_DIPNAME( 0x30, 0x30, DEF_STR( Bonus_Life ) ) PORT_DIPLOCATION("SW:2,1")
PORT_DIPSETTING( 0x10, "1000" )
PORT_DIPSETTING( 0x20, "1500" )
PORT_DIPSETTING( 0x30, "2000" )
PORT_DIPSETTING( 0x00, DEF_STR( None ) )
PORT_DIPNAME( 0x40, 0x00, DEF_STR( Coinage ) ) PORT_DIPLOCATION("SW:3")
PORT_DIPSETTING( 0x40, DEF_STR( 2C_1C ) )
PORT_DIPSETTING( 0x00, DEF_STR( 1C_1C ) )
PORT_DIPNAME( 0x80, 0x00, DEF_STR( Lives ) ) PORT_DIPLOCATION("SW:4")
PORT_DIPSETTING( 0x00, "3" )
PORT_DIPSETTING( 0x80, "5" )
PORT_START("IN2") /* Hard wired settings */
PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_COIN1 ) PORT_CHANGED_MEMBER(DEVICE_SELF, cosmicg_state, coin_inserted, 0)
/* This dip switch is not read by the program at any time */
/* but is wired to enable or disable the flip screen output */
PORT_DIPNAME( 0x02, 0x00, DEF_STR( Cabinet ) ) PORT_DIPLOCATION("SW:5")
PORT_DIPSETTING( 0x00, DEF_STR( Upright ) )
PORT_DIPSETTING( 0x02, DEF_STR( Cocktail ) )
/* This odd setting is marked as shown on the schematic, */
/* and again, is not read by the program, but wired into */
/* the watchdog circuit. The book says to leave it off */
PORT_DIPUNUSED_DIPLOC( 0x04, 0x00, "SW:6" )
INPUT_PORTS_END
static const char *const cosmicg_sample_names[] =
{
"*cosmicg",
"cg_m0", /* 8 Different pitches of March Sound */
"cg_m1",
"cg_m2",
"cg_m3",
"cg_m4",
"cg_m5",
"cg_m6",
"cg_m7",
"cg_att", /* Killer Attack */
"cg_chnc", /* Bonus Chance */
"cg_gotb", /* Got Bonus - have not got correct sound for */
"cg_dest", /* Gun Destroy */
"cg_gun", /* Gun Shot */
"cg_gotm", /* Got Monster */
"cg_ext", /* Coin Extend */
nullptr
};
void cosmicg_state::machine_start()
{
save_item(NAME(m_sound_enabled));
save_item(NAME(m_march_select));
save_item(NAME(m_gun_die_select));
save_item(NAME(m_color_registers));
save_item(NAME(m_flip_screen));
}
void cosmicg_state::machine_reset()
{
m_color_registers[0] = 0;
m_color_registers[1] = 0;
m_flip_screen = false;
m_maincpu->set_input_line(INT_9980A_RESET, ASSERT_LINE);
m_maincpu->set_input_line(INT_9980A_RESET, CLEAR_LINE);
}
void cosmicg_state::cosmicg(machine_config &config)
{
/* basic machine hardware */
TMS9980A(config, m_maincpu, 9.828_MHz_XTAL);
m_maincpu->set_addrmap(AS_PROGRAM, &cosmicg_state::mem_map);
m_maincpu->set_addrmap(AS_IO, &cosmicg_state::cru_map);
/* video hardware */
screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER));
screen.set_raw(9.828_MHz_XTAL / 2, 312, 0, 256, 263, 0, 192);
screen.set_screen_update(m_crtc, FUNC(mc6845_device::screen_update));
PALETTE(config, m_palette, FUNC(cosmicg_state::cosmicg_palette), 16);
MC6845(config, m_crtc, 9.828_MHz_XTAL / 16); // character clock is phase-locked to CPU
m_crtc->set_screen("screen");
m_crtc->set_show_border_area(false);
m_crtc->set_char_width(8);
m_crtc->set_update_row_callback(FUNC(cosmicg_state::draw_scanline));
/* sound hardware */
SPEAKER(config, "speaker").front_center();
SAMPLES(config, m_samples);
m_samples->set_channels(9);
m_samples->set_samples_names(cosmicg_sample_names);
m_samples->add_route(ALL_OUTPUTS, "speaker", 0.25);
DAC_1BIT(config, m_dac, 0).add_route(ALL_OUTPUTS, "speaker", 0.5); // NE556
// Other DACs include 3-bit binary-weighted (100K/50K/25K) DAC combined with another NE556 for attack march
}
ROM_START( cosmicg )
ROM_REGION( 0x2000, "program", 0 ) /* 8k for code */
ROM_LOAD( "cosmicg1.bin", 0x0000, 0x0400, CRC(e1b9f894) SHA1(bab7fd9b3db145a889542653191905b6efc5ce75) )
ROM_LOAD( "cosmicg2.bin", 0x0400, 0x0400, CRC(35c75346) SHA1(4e50eaa0b50ab04802dc63992ad2600c227301ad) )
ROM_LOAD( "cosmicg3.bin", 0x0800, 0x0400, CRC(82a49b48) SHA1(4cf9f684f3eb18b99a88ca879bb7083b1334f0cc) )
ROM_LOAD( "cosmicg4.bin", 0x0c00, 0x0400, CRC(1c1c934c) SHA1(011b2b3ec4d31869fda13a3654c7bc51f3ce4dc2) )
ROM_LOAD( "cosmicg5.bin", 0x1000, 0x0400, CRC(b1c00fbf) SHA1(136267f75e2d5b445695cabef4538f986e6f1b10) )
ROM_LOAD( "cosmicg6.bin", 0x1400, 0x0400, CRC(f03454ce) SHA1(32c87f369475c7154fe3243d2c7be4a25444e530) )
ROM_LOAD( "cosmicg7.bin", 0x1800, 0x0400, CRC(f33ebae7) SHA1(915bca53d5356e12c94ec765103ceced7306d1dd) )
ROM_LOAD( "cosmicg8.bin", 0x1c00, 0x0400, CRC(472e4990) SHA1(d5797b9d89446aa6533f7515e6a5fc8368d82f91) )
ROM_REGION( 0x0400, "colormap", 0 ) /* color map */
ROM_LOAD( "cosmicg9.bin", 0x0000, 0x0400, CRC(689c2c96) SHA1(ddfdc3fd29c56fdebd3b1c3443a7c39f567d5355) )
ROM_END
ROM_START( cosmicgi )
ROM_REGION( 0x2000, "program", 0 ) /* 8k for code */
ROM_LOAD( "1g118.2h", 0x0000, 0x0400, CRC(4bda1711) SHA1(746fd15dbe08c9e2af74547c19a55a84f7b65303) )
ROM_LOAD( "2g118.3h", 0x0400, 0x0400, CRC(3c10b2ba) SHA1(127a950d90420417a91aa3c8fabec7d7e7d526f5) )
ROM_LOAD( "3.4h", 0x0800, 0x0400, CRC(82a49b48) SHA1(4cf9f684f3eb18b99a88ca879bb7083b1334f0cc) )
ROM_LOAD( "4g118.5h", 0x0c00, 0x0400, CRC(42bb0611) SHA1(3894e4372f1443402ea7145b1101e1219fe2cde2) ) // changes in here cause trails when you move the ship, PCB does the same and ROM gives the same read every time, possible a bit has been flipped tho. check
ROM_LOAD( "5.6h", 0x1000, 0x0400, CRC(b1c00fbf) SHA1(136267f75e2d5b445695cabef4538f986e6f1b10) )
ROM_LOAD( "6.7h", 0x1400, 0x0400, CRC(f03454ce) SHA1(32c87f369475c7154fe3243d2c7be4a25444e530) )
ROM_LOAD( "7.8h", 0x1800, 0x0400, CRC(84656c97) SHA1(2180faa07dd5bc618c80ae033babfc1191a0b890) ) // standard label but different anyway?
ROM_LOAD( "8g128.9h", 0x1c00, 0x0400, CRC(7f48307c) SHA1(5929c131d790b0c8f9113730715531809c6840e2) )
ROM_REGION( 0x0400, "colormap", 0 ) /* color map */ // population of this is optional, board runs as b&w without (this board didn't have it populated)
ROM_LOAD( "cosmicg9.bin", 0x0000, 0x0400, CRC(689c2c96) SHA1(ddfdc3fd29c56fdebd3b1c3443a7c39f567d5355) )
ROM_END
void cosmicg_state::init_cosmicg()
{
/* Program ROMs have data pins connected different from normal */
offs_t len = memregion("program")->bytes();
u8 *rom = memregion("program")->base();
for (offs_t offs = 0; offs < len; offs++)
{
u8 scrambled = rom[offs];
u8 normal = (scrambled >> 3 & 0x11)
| (scrambled >> 1 & 0x22)
| (scrambled << 1 & 0x44)
| (scrambled << 3 & 0x88);
rom[offs] = normal;
}
m_sound_enabled = 0;
m_march_select = 0;
m_gun_die_select = 0;
}
GAME( 1979, cosmicg, 0, cosmicg, cosmicg, cosmicg_state, init_cosmicg, ROT270, "Universal", "Cosmic Guerilla", MACHINE_IMPERFECT_SOUND | MACHINE_SUPPORTS_SAVE )
GAME( 1979, cosmicgi, cosmicg, cosmicg, cosmicg, cosmicg_state, init_cosmicg, ROT270, "bootleg (Inder)", "Cosmic Guerilla (Spanish bootleg)", MACHINE_IMPERFECT_SOUND | MACHINE_SUPPORTS_SAVE )

View File

@ -16,7 +16,6 @@
#include "emupal.h"
#include "screen.h"
#define COSMICG_MASTER_CLOCK XTAL(9'828'000)
#define Z80_MASTER_CLOCK XTAL(10'816'000)
@ -37,9 +36,31 @@ public:
m_palette(*this, "palette")
{ }
void cosmic(machine_config &config);
void cosmica(machine_config &config);
void nomnlnd(machine_config &config);
void devzone(machine_config &config);
void panic(machine_config &config);
void magspot(machine_config &config);
void init_devzone();
void init_nomnlnd();
void init_cosmica();
void init_panic();
DECLARE_WRITE_LINE_MEMBER(panic_coin_inserted);
DECLARE_INPUT_CHANGED_MEMBER(cosmica_coin_inserted);
DECLARE_INPUT_CHANGED_MEMBER(coin_inserted_irq0);
DECLARE_INPUT_CHANGED_MEMBER(coin_inserted_nmi);
protected:
virtual void machine_start() override;
virtual void machine_reset() override;
private:
/* memory pointers */
required_shared_ptr<uint8_t> m_videoram;
optional_shared_ptr<uint8_t> m_spriteram;
required_shared_ptr<uint8_t> m_spriteram;
/* video-related */
typedef pen_t (cosmic_state::*color_func)(uint8_t x, uint8_t y);
@ -55,8 +76,6 @@ public:
int m_dive_bomb_b_select;
/* misc */
uint32_t m_pixel_clock;
int m_ic_state; // for 9980
optional_ioport_array<4> m_in_ports;
optional_ioport m_dsw;
@ -64,42 +83,24 @@ public:
required_device<cpu_device> m_maincpu;
optional_device<samples_device> m_samples;
optional_device<dac_bit_interface> m_dac;
optional_device<gfxdecode_device> m_gfxdecode;
required_device<gfxdecode_device> m_gfxdecode;
required_device<screen_device> m_screen;
required_device<palette_device> m_palette;
void panic_sound_output_w(offs_t offset, uint8_t data);
void panic_sound_output2_w(offs_t offset, uint8_t data);
void cosmicg_output_w(offs_t offset, uint8_t data);
void cosmica_sound_output_w(offs_t offset, uint8_t data);
void dac_w(uint8_t data);
uint8_t cosmica_pixel_clock_r();
uint8_t cosmicg_port_0_r(offs_t offset);
uint8_t cosmicg_port_1_r(offs_t offset);
uint8_t magspot_coinage_dip_r(offs_t offset);
uint8_t nomnlnd_port_0_1_r(offs_t offset);
void flip_screen_w(uint8_t data);
void cosmic_color_register_w(offs_t offset, uint8_t data);
void cosmic_background_enable_w(uint8_t data);
DECLARE_WRITE_LINE_MEMBER(panic_coin_inserted);
DECLARE_INPUT_CHANGED_MEMBER(cosmica_coin_inserted);
DECLARE_INPUT_CHANGED_MEMBER(cosmicg_coin_inserted);
DECLARE_INPUT_CHANGED_MEMBER(coin_inserted_irq0);
DECLARE_INPUT_CHANGED_MEMBER(coin_inserted_nmi);
void init_devzone();
void init_cosmicg();
void init_nomnlnd();
void init_cosmica();
void init_panic();
DECLARE_MACHINE_START(cosmic);
DECLARE_MACHINE_RESET(cosmic);
DECLARE_MACHINE_RESET(cosmicg);
void panic_palette(palette_device &palette);
void cosmica_palette(palette_device &palette);
void cosmicg_palette(palette_device &palette);
void magspot_palette(palette_device &palette);
void nomnlnd_palette(palette_device &palette);
uint32_t screen_update_cosmicg(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
uint32_t screen_update_panic(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
uint32_t screen_update_cosmica(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
uint32_t screen_update_magspot(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
@ -113,18 +114,8 @@ public:
void nomnlnd_draw_background(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
pen_t panic_map_color(uint8_t x, uint8_t y);
pen_t cosmica_map_color(uint8_t x, uint8_t y);
pen_t cosmicg_map_color(uint8_t x, uint8_t y);
pen_t magspot_map_color(uint8_t x, uint8_t y);
void cosmic(machine_config &config);
void cosmica(machine_config &config);
void cosmicg(machine_config &config);
void nomnlnd(machine_config &config);
void devzone(machine_config &config);
void panic(machine_config &config);
void magspot(machine_config &config);
void cosmica_map(address_map &map);
void cosmicg_io_map(address_map &map);
void cosmicg_map(address_map &map);
void magspot_map(address_map &map);
void panic_map(address_map &map);
};

View File

@ -10698,8 +10698,6 @@ cosmica // 7910-AII (c) [1979]
cosmica1 // 7910-A (c) [1979]
cosmica2 // 7910 (c) 1979
cosmica3 // 7910-AII (c) [1979]
cosmicg // 7907 (c) 1979
cosmicgi // bootleg (Inder)
devzone // 8022 (c) [1980]
devzone2 // 8022 (c) [1980]
magspot // ???? (c) [1980]
@ -10712,6 +10710,10 @@ panic3 // 8015 (c) 1980
panicger // 8015 (c) 1980
panich // 8015 (c) 1980
@source:cosmicg.cpp
cosmicg // 7907 (c) 1979
cosmicgi // bootleg (Inder)
@source:cosmicos.cpp
cosmicos //

View File

@ -40,15 +40,6 @@ pen_t cosmic_state::cosmica_map_color( uint8_t x, uint8_t y )
return pen & 0x07;
}
pen_t cosmic_state::cosmicg_map_color( uint8_t x, uint8_t y )
{
offs_t offs = (m_color_registers[0] << 8) | (m_color_registers[1] << 9) | ((y >> 4) << 4) | (x >> 4);
pen_t pen = memregion("user1")->base()[offs];
/* the upper 4 bits are for cocktail mode support */
return pen & 0x0f;
}
pen_t cosmic_state::magspot_map_color( uint8_t x, uint8_t y )
{
offs_t offs = (m_color_registers[0] << 9) | ((x >> 3) << 4) | (y >> 4);
@ -130,30 +121,6 @@ void cosmic_state::cosmica_palette(palette_device &palette)
}
/*
* Cosmic guerilla table setup
*
* Use AA for normal, FF for Full Red
* Bit 0 = R, bit 1 = G, bit 2 = B, bit 4 = High Red
*
* It's possible that the background is dark gray and not black, as the
* resistor chain would never drop to zero, Anybody know ?
*/
void cosmic_state::cosmicg_palette(palette_device &palette)
{
for (int i = 0; i < palette.entries(); i++)
{
int const r = (i > 8) ? 0xff : 0xaa * BIT(i, 0);
int const g = 0xaa * BIT(i, 1);
int const b = 0xaa * BIT(i, 2);
palette.set_pen_color(i, rgb_t(r, g, b));
}
m_map_color = &cosmic_state::cosmicg_map_color;
}
void cosmic_state::magspot_palette(palette_device &palette)
{
uint8_t const *const color_prom = memregion("proms")->base();
@ -498,14 +465,6 @@ void cosmic_state::nomnlnd_draw_background( screen_device &screen, bitmap_ind16
}
uint32_t cosmic_state::screen_update_cosmicg(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
{
bitmap.fill(0, cliprect);
draw_bitmap(bitmap, cliprect);
return 0;
}
uint32_t cosmic_state::screen_update_panic(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
{
bitmap.fill(0, cliprect);