/
spaceg.cpp
590 lines (489 loc) · 20.9 KB
/
spaceg.cpp
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// license:GPL-2.0+
// copyright-holders:Jarek Burczynski, Tomasz Slanina
/**************************************************************************************
Space Guerrilla PCB Layout
--------------------------
All PCBs slot into a metal frame. Each PCB is joined by the 14way/28way edge connectors
on one side, and the 50 pin connectors via flat cables on the other side.
14-way
OEC-5 |----------------|
|----------------|----------------|-----------------|
| 1 2 3 4 5 6 |
|A 74273 7417 555 |
| |
|B 74273 7417 555 7493 76477 LM380 |
| |
|C DIP16 74121 4066 7400 4030 |
| |
|D LM324 LM324 LM3900 LM3900 458 4006 |
| |
| |
| |
| |
| VR1 VR2 VR3 VR4 VR5 VR6 VR7 VOL |
|---------------------------------------------------|
Notes:
DIP16 - Joins to DIP16 socket at 3F on IOC2-A PCB via a 16-wire flat cable.
VR1-7 - Potentiometers for volume of sounds
VOL - Master Volume
Note PCB also contains a lot of resistors, transistors, capacitors etc
28-way
IOC2-A |-----------------------------|
|----------------|-----------------------------|----------------|
| 1 2 3 4 5 6 7 |
|A DIP16 DIP16 DIP16 DIP16 |
| VR1 |
|B D1-8 7404 7404 7404 LM324 4066 |
| |
|C D9-16 74240 7406 DIP8 LM324 VR2 |
| |
|D 74240 74240 74175 75472 555 555 |
| |
|E DSW1 74240 74273 7417 VR3 |
| |
|F DIP16 DIP16 DIP16 555 458 LM3900 LM3900 |
| |
|G 74244 74244 7432 555 VR4 |
| |
|H |
| |
| |
| |-------------| |
|--|-------------|----------------------------------------------|
50 pin
Notes:
DIP8 - Unpopulated position for DIP8 IC
DIP16- Unpopulated position for DIP16 IC
D1-16- Diodes
VR1-4- Potentiometers for volume of sounds
28-way
CRTC1-A |-----------------------------|
|----------------|-----------------------------|----------------|
| 1 2 3 4 5 6 7 8 9 |
|A 20MHz 7455 Diodes 1-4 DIP16 DIP16 DIP16 4027 4027 |
| & |
|B 74163 7404 Transtrs 1-7 DIP16 DIP16 DIP16 4027 4027 |
| |
|C 7486 74161 7404 DIP16 DIP16 DIP16 4027 4027 |
| |
|D 7486 74161 7408 82S09 74374 74157 4027 4027 |
| |
|E 7486 74161 7402 7411 74157 74377 7408 4027 4027 |
| |
|F 7486 74161 7411 74157 74244 74377 7400 74153 74157 |
| |
|G 74107 7404 7474 74175 74107 74157 7404 74377 74157 |
| |
|H 7404 7404 74244 74139 7404 7427 7474 74164 7404 |
| |
| |
| |-------------| |-------------| |-------------| |
|--|-------------|-------|-------------|-------|-------------|--|
50 pin 50 pin 50 pin
Notes:
4027 - MOSTEK MK4027-4 RAM (DIP16)
DIP16- Unpopulated position for DIP16 IC
28-way
CRTC2-A |-----------------------------|
|----------------|-----------------------------|----------------|
| 1 2 3 4 5 6 7 8 9 |
|A 7402 74377 74157 7400 74194 74S288 4027 4027 |
| |
|B 7486 74153 7486 7400 74194 74S288 4027 4027 |
| |
|C 7408 74374 74158 74273 7427 4027 4027 |
| |
|D 7400 74244 25S10 74181 7430 7408 4027 4027 |
| |
|E 7400 74153 25S10 74181 7402 4027 4027 |
| |
|F 7408 74153 7411 7404 7404 4027 4027 |
| |
|G 7404 74153 DIP16 74153 74153 74283 4027 4027 |
| |
|H 74138 74244 7474 74153 74153 74157 4027 4027 |
| |
| |
| |-------------| |-------------| |-------------| |
|--|-------------|-------|-------------|-------|-------------|--|
50 pin 50 pin 50 pin
Notes:
74S288 - 32bytes x8 Bipolar PROM (DIP16, both PROMs contain identical contents)
4027 - MOSTEK MK4027-4 RAM (DIP16)
28-way
SBC-A |-----------------------------|
|----------------|-----------------------------|----------------|
| 1 2 3 4 5 6 7 8 9 |
|A 74161 DIP18 4045 4045 ROM2 ROM1 |
| |
|B 7404 7402 74139 DIP18 DIP18 ROM4 ROM3 |
| |
|C 7404 7404 7420 4045 4045 ROM6 ROM5 |
| |
|D 7420 DIP18 DIP18 ROM8 ROM7 |
| |
|E 74241 74241 8216 8216 DIP24 DIP24 |
| |
|F Z80 74241 DIP24 DIP24 |
| |
|G 7407 74241 ROM14 ROM13 |
| |
|H 74241 7442 7442 74244 ROM16 ROM15 |
| |
| |
| |-------------| |-------------| |
|--|-------------|-------|-------------|------------------------|
50 pin 50 pin
Notes:
4045 - TMS4045-45NL RAM (DIP18)
8216 - Mitsubishi M5L8216 RAM (DIP16)
DIP18- Unpopulated position for DIP18 IC
DIP24- Unpopulated position for DIP24 IC
All ROMs type 2708 (DIP24)
**************************************************************************************/
#include "emu.h"
#include "cpu/z80/z80.h"
#include "sound/samples.h"
#include "sound/sn76477.h"
#include "emupal.h"
#include "screen.h"
#include "speaker.h"
namespace {
/*************************************
*
* Driver data
*
*************************************/
class spaceg_state : public driver_device
{
public:
spaceg_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag),
m_colorram(*this, "colorram"),
m_videoram(*this, "videoram"),
m_io9400(*this, "io9400"),
m_io9401(*this, "io9401"),
m_maincpu(*this, "maincpu"),
m_palette(*this, "palette"),
m_samples(*this, "samples"),
m_sn(*this, "snsnd"),
m_sound1(0),
m_sound2(0),
m_sound3(0)
{ }
void spaceg(machine_config &config);
protected:
virtual void driver_start() override;
private:
required_shared_ptr<uint8_t> m_colorram;
required_shared_ptr<uint8_t> m_videoram;
required_shared_ptr<uint8_t> m_io9400;
required_shared_ptr<uint8_t> m_io9401;
required_device<cpu_device> m_maincpu;
required_device<palette_device> m_palette;
required_device<samples_device> m_samples;
required_device<sn76477_device> m_sn;
uint8_t m_sound1;
uint8_t m_sound2;
uint8_t m_sound3;
void zvideoram_w(offs_t offset, uint8_t data);
uint8_t colorram_r(offs_t offset);
void sound1_w(uint8_t data);
void sound2_w(uint8_t data);
void sound3_w(uint8_t data);
void spaceg_palette(palette_device &palette) const;
uint32_t screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
void spaceg_map(address_map &map);
};
void spaceg_state::driver_start()
{
save_item(NAME(m_sound1));
save_item(NAME(m_sound2));
save_item(NAME(m_sound3));
}
/*************************************
*
* Video emulation
*
*************************************/
void spaceg_state::spaceg_palette(palette_device &palette) const
{
for (int i = 0; i < 128; i++)
palette.set_pen_color(i, rgb_t(0x00, 0x00, 0x00));
// proms are currently undumped...
palette.set_pen_color( 0, rgb_t(0x00, 0x00, 0x00)); //ok czarny
palette.set_pen_color( 1, rgb_t(0x7f, 0x00, 0x00));//???
palette.set_pen_color( 2, rgb_t(0xff, 0xff, 0xff)); //ok+ bialy
palette.set_pen_color( 3, rgb_t(0xff, 0x00, 0x00)); //ok j.czerw.
palette.set_pen_color( 4, rgb_t(0x3f, 0x3f, 0xff)); //ok j.niebieski
palette.set_pen_color( 5, rgb_t(0x3f, 0xff, 0x3f)); //ok j.zielony
palette.set_pen_color( 6, rgb_t(0xff, 0xbf, 0xbf)); //ok+ 'majtki'
palette.set_pen_color( 7, rgb_t(0xff, 0xff, 0x00)); //ok+ zolty
palette.set_pen_color( 8, rgb_t(0xff, 0x7f, 0x00)); //ok+ pomaranczowy
palette.set_pen_color( 9, rgb_t(0x3f, 0xbf, 0xff)); //ok j.niebieski (ciemniejszy od 13)
palette.set_pen_color(10, rgb_t(0x3f, 0xbf, 0x3f)); //ok+ c.zielony
palette.set_pen_color(11, rgb_t(0x00, 0xff, 0x00)); //ok j.zielony
palette.set_pen_color(12, rgb_t(0x7f, 0x00, 0x00)); //ok brazowy (c.czerw)
palette.set_pen_color(13, rgb_t(0x7f, 0xbf, 0xff)); //ok j.niebieski (jasniejszy od 9)
palette.set_pen_color(14, rgb_t(0x00, 0xff, 0xff));//???
palette.set_pen_color(15, rgb_t(0x7f, 0x7f, 0x7f));//???
}
void spaceg_state::zvideoram_w(offs_t offset, uint8_t data)
{
int col = m_colorram[0x400];
int xoff = *m_io9400 >> 5 & 7;
uint16_t offset2 = (offset + 0x100) & 0x1fff;
uint16_t sdata = data << (8 - xoff);
uint16_t vram_data = m_videoram[offset] << 8 | (m_videoram[offset2]);
if (col > 0x0f) popmessage("color > 0x0f = %2d", col);
col &= 0x0f;
switch (*m_io9401)
{
// draw
case 0:
vram_data &= ~(0xff00 >> xoff);
[[fallthrough]];
case 1:
vram_data |= sdata;
// update colorram
if (sdata&0xff00) m_colorram[offset] = col;
if (sdata&0x00ff) m_colorram[offset2] = col;
break;
// erase
case 0xd:
vram_data &= ~sdata;
break;
default:
logerror("mode = %02x pc = %04x\n", *m_io9401, m_maincpu->pc());
popmessage("mode = %02x pc = %04x\n", *m_io9401, m_maincpu->pc());
return;
}
m_videoram[offset]=vram_data>>8;
m_videoram[offset2]=vram_data&0xff;
}
uint8_t spaceg_state::colorram_r(offs_t offset)
{
int rgbcolor;
if (offset < 0x400)
{
rgbcolor = (m_colorram[offset] << 1) | ((offset &0x100) >> 8);
if ((offset >= 0x200) && (offset < 0x220)) /* 0xa200- 0xa21f */
{
/* palette 1 */
int col_ind = offset & 0x1f;
m_palette->set_pen_color(0x10 + 0x00 + col_ind, pal3bit(rgbcolor >> 0), pal3bit(rgbcolor >> 6), pal3bit(rgbcolor >> 3));
}
else if ((offset >= 0x300) && (offset < 0x320)) /* 0xa300- 0xa31f */
{
/* palette 2 */
int col_ind = offset & 0x1f;
m_palette->set_pen_color(0x10 + 0x00 + col_ind, pal3bit(rgbcolor >> 0), pal3bit(rgbcolor >> 6), pal3bit(rgbcolor >> 3));
}
else
logerror("palette? read from colorram offset = %04x\n",offset);
}
if (*m_io9401 != 0x40)
logerror("colorram read in mode: 9401 = %02x (offset = %04x)\n", *m_io9401, offset);
return m_colorram[offset];
}
uint32_t spaceg_state::screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
{
for (offs_t offs = 0; offs < 0x2000; offs++)
{
uint8_t data = m_videoram[offs];
int y = offs & 0xff;
int x = (offs >> 8) << 3;
for (int i = 0; i < 8; i++)
{
bitmap.pix(y, x) = (data & 0x80) ? m_colorram[offs] : 0;
x++;
data <<= 1;
}
}
return 0;
}
static const char *const invaders_sample_names[] =
{
"*invaders",
"1", /* shot/missle */
"2", /* base hit/explosion */
"3", /* invader hit */
"4", /* fleet move 1 */
"5", /* fleet move 2 */
"6", /* fleet move 3 */
"7", /* fleet move 4 */
"8", /* UFO/saucer hit */
"9", /* bonus base */
nullptr
};
void spaceg_state::sound1_w(uint8_t data)
{
if (!BIT(m_sound1, 1) && BIT(data, 1))
m_samples->start(1, 1); // Death
if (!BIT(m_sound1, 2) && BIT(data, 2))
m_samples->start(0, 0); // Shoot
m_sn->enable_w(!(data & 0x08)); // Boss
m_sound1 = data;
if (data & ~0x0e) logerror("spaceg sound3 unmapped %02x\n", data & ~0x0e);
}
void spaceg_state::sound2_w(uint8_t data)
{
// game writes 0x01 at bootup & 0x11 when you start a game
m_sound2 = data;
if (data & ~0x11) logerror("spaceg sound2 unmapped %02x\n", data & ~0x11);
}
void spaceg_state::sound3_w(uint8_t data)
{
if (!BIT(m_sound3, 0) && BIT(data, 0))
m_samples->start(4, 8); // Start of level
if (!BIT(m_sound3, 1) && BIT(data, 1))
m_samples->start(5, 8); // Rocket
if (!BIT(m_sound3, 2) && BIT(data, 2))
m_samples->start(2, 2); // Hit
if (!BIT(m_sound3, 3) && BIT(data, 3))
m_samples->start(3, 7); // Dive bomb
m_sound3 = data;
if (data & ~0x0f) logerror("spaceg sound3 unmapped %02x\n", data & ~0x0f);
}
/*************************************
*
* Memory maps
*
*************************************/
void spaceg_state::spaceg_map(address_map &map)
{
map(0x0000, 0x1fff).rom();
map(0x3000, 0x3fff).rom();
map(0x7000, 0x77ff).ram();
map(0xa000, 0xbfff).ram().r(FUNC(spaceg_state::colorram_r)).share("colorram");
map(0xc000, 0xdfff).ram().w(FUNC(spaceg_state::zvideoram_w)).share("videoram");
map(0x9400, 0x9400).writeonly().share("io9400"); /* gfx ctrl */
map(0x9401, 0x9401).writeonly().share("io9401"); /* gfx ctrl */
/* 9402 -
bits 0 and 1 probably control the lamps under the player 1 and player 2 start buttons
bit 2 - unknown -
bit 3 is probably a flip screen
bit 7 - unknown - set to 1 during the gameplay (coinlock ?)
*/
map(0x9402, 0x9402).nopw();
map(0x9405, 0x9405).w(FUNC(spaceg_state::sound1_w));
map(0x9406, 0x9406).w(FUNC(spaceg_state::sound2_w));
map(0x9407, 0x9407).w(FUNC(spaceg_state::sound3_w));
map(0x9800, 0x9800).portr("9800");
map(0x9801, 0x9801).portr("9801");
map(0x9802, 0x9802).portr("9802");
map(0x9805, 0x9805).portr("9805");
map(0x9806, 0x9806).portr("9806");
}
/*************************************
*
* Input ports
*
*************************************/
static INPUT_PORTS_START( spaceg )
PORT_START("9800")
PORT_DIPUNUSED( 0x01, IP_ACTIVE_HIGH ) /* was related to coinage */
PORT_DIPUNKNOWN( 0x02, IP_ACTIVE_HIGH ) /* check code at 0x127d - when bases are supposed to disappear */
PORT_DIPNAME( 0x0c, 0x00, DEF_STR( Lives ) )
PORT_DIPSETTING( 0x00, "3" )
PORT_DIPSETTING( 0x04, "4" )
PORT_DIPSETTING( 0x08, "5" )
PORT_DIPSETTING( 0x0c, "6" )
PORT_DIPNAME( 0x30, 0x00, DEF_STR( Bonus_Life ) )
PORT_DIPSETTING( 0x00, "10000" )
PORT_DIPSETTING( 0x20, "30000" )
PORT_DIPSETTING( 0x10, "40000" )
PORT_DIPSETTING( 0x30, "50000" )
PORT_DIPNAME( 0xc0, 0x00, DEF_STR( Unknown ) ) /* set bit 2 of 0x9402 depending on score - previously 2nd bonus life ? */
PORT_DIPSETTING( 0x00, "10000" )
PORT_DIPSETTING( 0x80, "30000" )
PORT_DIPSETTING( 0x40, "40000" )
PORT_DIPSETTING( 0xc0, "50000" )
PORT_START("9801")
PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_COIN1 )
PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_BUTTON1 ) PORT_PLAYER(1)
PORT_START("9802")
PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_BUTTON1 ) PORT_PLAYER(2)
PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_START1 )
PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_START2 )
PORT_START("9805") /* player 1 */
PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT ) PORT_2WAY PORT_PLAYER(1)
PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT ) PORT_2WAY PORT_PLAYER(1)
PORT_START("9806") /* player 2 */
PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT ) PORT_2WAY PORT_PLAYER(2)
PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT ) PORT_2WAY PORT_PLAYER(2)
INPUT_PORTS_END
/*************************************
*
* Machine config
*
*************************************/
void spaceg_state::spaceg(machine_config &config)
{
/* basic machine hardware */
Z80(config, m_maincpu, 2500000); /* 2.5 MHz */
m_maincpu->set_addrmap(AS_PROGRAM, &spaceg_state::spaceg_map);
/* video hardware */
screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER));
screen.set_refresh_hz(60);
screen.set_vblank_time(ATTOSECONDS_IN_USEC(2500)); /* not accurate */
screen.set_size(256, 256);
screen.set_visarea(0, 255, 32, 255);
screen.set_screen_update(FUNC(spaceg_state::screen_update));
screen.set_palette(m_palette);
screen.screen_vblank().set_inputline("maincpu", INPUT_LINE_NMI); // 60 Hz NMIs (verified)
PALETTE(config, m_palette, FUNC(spaceg_state::spaceg_palette), 16+128-16);
/* sound hardware */
SPEAKER(config, "mono").front_center();
// HACK: SN76477 parameters copied from space invaders
SN76477(config, m_sn);
m_sn->set_noise_params(0, 0, 0);
m_sn->set_decay_res(0);
m_sn->set_attack_params(0, RES_K(100));
m_sn->set_amp_res(RES_K(56));
m_sn->set_feedback_res(RES_K(10));
m_sn->set_vco_params(0, CAP_U(0.1), RES_K(8.2));
m_sn->set_pitch_voltage(5.0);
m_sn->set_slf_params(CAP_U(1.0), RES_K(120));
m_sn->set_oneshot_params(0, 0);
m_sn->set_vco_mode(1);
m_sn->set_mixer_params(0, 0, 0);
m_sn->set_envelope_params(1, 0);
m_sn->set_enable(1);
m_sn->add_route(ALL_OUTPUTS, "mono", 0.5);
// HACK: samples copied from space invaders
SAMPLES(config, m_samples);
m_samples->set_channels(6);
m_samples->set_samples_names(invaders_sample_names);
m_samples->add_route(ALL_OUTPUTS, "mono", 1.0);
}
/*************************************
*
* ROM definition
*
*************************************/
ROM_START( spaceg )
ROM_REGION( 0x10000, "maincpu", 0 )
ROM_LOAD( "1.9a", 0x0000, 0x0400, CRC(d6f80b0e) SHA1(503e832c065bb302ec60ed239c4d99a605cb931a) )
ROM_LOAD( "2.8a", 0x0400, 0x0400, CRC(708b8eec) SHA1(70f9b1506a653985d9d3eacba220f0a4eb241318) )
ROM_LOAD( "3.9b", 0x0800, 0x0400, CRC(7f0b5cb4) SHA1(97a7125d046e7191b5d3be8f203d1bbb6f988209) )
ROM_LOAD( "4.8b", 0x0c00, 0x0400, CRC(8b40a154) SHA1(f42bdd8e94090fc5eae58e833b8443300d3ce991) )
ROM_LOAD( "5.9c", 0x1000, 0x0400, CRC(5279241c) SHA1(7278b6b037322b2f75311ed247f2de3c4816681b) )
ROM_LOAD( "6.8c", 0x1400, 0x0400, CRC(9b84fe3a) SHA1(7ebeca10ee11d22f4af06be9f381f46864464ec2) )
ROM_LOAD( "7.9d", 0x1800, 0x0400, CRC(95279b25) SHA1(367d129d4dd2cfea2a2f4703f41f24cc49453715) )
ROM_LOAD( "8.8d", 0x1c00, 0x0400, CRC(6a824383) SHA1(7c43f2c7d1f070d93f6a8b5b4f7f97f3578bd91d) )
ROM_LOAD( "13.9g", 0x3000, 0x0400, CRC(dccc386f) SHA1(5d493da3e7b8269314dd54f0b3ba9f71829a14da) )
ROM_LOAD( "14.8g", 0x3400, 0x0400, CRC(dc9a10c2) SHA1(8fb2316d6e8aeef558d0da5029e2932abf47a6b4) )
ROM_LOAD( "15.9h", 0x3800, 0x0400, CRC(55e2950d) SHA1(2241c3620c9a6df8b8bd234ccee9af5d3d19a5d4) )
ROM_LOAD( "16.8h", 0x3c00, 0x0400, CRC(567259c4) SHA1(b2c3f7aaceabea075af6a43b89fb7331732278c8) )
ROM_REGION( 0x40, "proms", 0 ) // the 2 PROMs are identical
ROM_LOAD( "74s288.6a", 0x0000, 0x0020, CRC(ae1f4acd) SHA1(1d502b61db73cf6a4ac3d235455a5c464f12652a) )
ROM_LOAD( "74s288.6b", 0x0020, 0x0020, CRC(ae1f4acd) SHA1(1d502b61db73cf6a4ac3d235455a5c464f12652a) )
ROM_END
} // anonymous namespace
/*************************************
*
* Game driver
*
*************************************/
GAME( 1979, spaceg, 0, spaceg, spaceg, spaceg_state, empty_init, ROT270, "Omori Electric Co., Ltd.", "Space Guerrilla", MACHINE_IMPERFECT_GRAPHICS | MACHINE_IMPERFECT_SOUND | MACHINE_SUPPORTS_SAVE )