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- megazone.cpp: added PCB infos and some notes about the megazonea set [Guru]

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- snesb.cpp, snesb51.cpp: moved fatfurspb from the former to the latter. Also patched out protection for ffight3b for now [hammy]
This commit is contained in:
Ivan Vangelista 2022-03-08 18:18:41 +01:00
parent bc5f7bad79
commit 074d55b403
7 changed files with 666 additions and 471 deletions
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2
scripts/target/mame/arcade.lua
View File

@ -2569,8 +2569,6 @@ files {
MAME_DIR .. "src/mame/includes/mainevt.h",
MAME_DIR .. "src/mame/video/mainevt.cpp",
MAME_DIR .. "src/mame/drivers/megazone.cpp",
MAME_DIR .. "src/mame/includes/megazone.h",
MAME_DIR .. "src/mame/video/megazone.cpp",
MAME_DIR .. "src/mame/drivers/mikie.cpp",
MAME_DIR .. "src/mame/includes/mikie.h",
MAME_DIR .. "src/mame/video/mikie.cpp",

635
src/mame/drivers/megazone.cpp
View File

@ -57,59 +57,450 @@ CONN BOARD IC3 TMP8039P-6
REAR BOARD 1C026 N/U (CUSTOM ON ORIGINAL)
**************************************************************************
Mega Zone, Konami 1983
Hardware info by Guru
Note: Revision documented here is the Konami/Interlogic/Kosuka
version with hand-written labels and Program Code H software.
Bottom Board
------------
KONAMI GX319
PWB(A)2000079B
|--------------| |--------------|
|---|--------------|----------------|--------------|---|
| |
| |
|319B18.IC091 |
| 18.432kHz |
| |
| 2114 2114 |
| |
| 2114 2114 |
| |
| |
| |
|319B17.IC063 |
| |
| 319G13.IC058 |
| |
| 319G12.IC046 319B15.IC048 8128 |
| |
| 319B14.IC042 8128 |
| 319B16.IC033 |
| 2148 2148 |-------| |
| | 083 | |
| |-------| |
| |
| |
| 319E11.IC015 |
| 319E10.IC014 |
| 319E09.IC005 |
| 319E08.IC004 CN001 |
|------------------------------------------------------|
Notes:
2148 - Fujitsu MBM2148 1kBx4-bit SRAM
2114 - Toshiba TMM2114 1kBx4-bit SRAM
8128 - Fujitsu MB8128 2kBx8-bit SRAM (compatible with 6116)
CN001 - 2 pin connector for 5V/GND coming from top board
083 - Konami custom chip 083 (contains only logic). Can be replaced with Konami daughterboard 'PWB 400322'
319G13.IC058 \ 2764 8kBx8-bit EPROM (background tiles)
319G12.IC046 /
319E08.IC004 \
319E09.IC005 \ 2764 8kBx8-bit EPROM (sprites)
319E10.IC014 /
319E11.IC015 /
319B18.IC091 - Texas Instruments TBP18S030 32x8-bit bipolar PROM (palette)
319B17.IC063 - MMI 6301 256x4-bit bipolar PROM (character lookup table)
319B16.IC033 - MMI 6301 256x4-bit bipolar PROM (sprite lookup table)
319B15.IC048 - Texas Instruments TBP18S030 32x8-bit bipolar PROM (timing)
319B14.IC042 - Texas Instruments TBP18S030 32x8-bit bipolar PROM (timing)
Top Board
---------
KONAMI GX319
PWB(B)2000082A
|--------------| |--------------|
|---|--------------|----------------|--------------|---|
| MC1455 |
| |
| |
| |
| |--------------| |
| | KONAMI-1 | |
| |--------------| |
| 14.31818MHz DIP28 |
| |
| |--------------| |-------| 319H07.IC59|
| | AY-3-8910 | | 501 | |
| |--------------| |-------| 319H06.IC58|
| MB8128 |
| |--------------| 319H05.IC57|
| M5224 | Z80 | |
| |--------------| 319H04.IC56|
| 319E02.IC25 |
| 319H03.IC55|
| |--------------| |
| | 8039 | |
| |--------------| |
| DSW2 |
| VOL |
| 319E01.IC2 |
| LA4460 DSW1 |
| |
| |
| 18-WAY CN5 |
|------------------------------------------------------|
Notes:
8128 - Fujitsu MB8128 2kBx8-bit SRAM (compatible with 6116)
CN5 - 2 pin connector for 5V/GND tied to bottom board
501 - Konami custom chip 501 (contains only logic). Can be replaced with Konami daughterboard 'PWB 402034'
319E01.IC2 - 2732 4kBx8-bit EPROM (8039 program)
319E02.IC25 - 2764 8kBx8-bit EPROM (Z80 sound program)
319H03.IC55 \
319H04.IC56 \
319H05.IC57 \ 2764 8kBx8-bit EPROM (main program for custom KONAMI-1 CPU)
319H06.IC58 /
319H07.IC59 /
DIP28 - Empty DIP28 socket
LA4460 - Sanyo LA4460 12W Audio Power Amplifier
MC1455 - Motorola MC1455 Timer (compatible with NE555)
M5224 - Mitsubishi M5224 Quad Operational Amplifier (compatible with LM324)
Z80 - Z80 CPU. Clock input 3.072MHz [18.432/6]
8039 - Intel 8039 ROM-less microcontroller with 128 bytes internal RAM. Clock input 7.15909MHz [14.31818/2]
AY-3-8910 - General Instrument AY-3-8910 Programmable Sound Generator (PSG). Clock input 1.7897725MHz [14.31818/8]
KONAMI-1 - Konami custom encrypted 6809 CPU. Clock input 1.536MHz on pins 15 & 17 [18.432/12]
HSync - 15.4566kHz \
VSync - 60.606059Hz / Actual PCB measurements
***************************************************************************/
#include "emu.h"
#include "includes/megazone.h"
#include "includes/konamipt.h"
#include "machine/konami1.h"
#include "cpu/m6809/m6809.h"
#include "cpu/mcs48/mcs48.h"
#include "cpu/z80/z80.h"
#include "machine/74259.h"
#include "machine/gen_latch.h"
#include "machine/konami1.h"
#include "machine/watchdog.h"
#include "sound/ay8910.h"
#include "sound/dac.h"
#include "sound/flt_rc.h"
#include "emupal.h"
#include "screen.h"
#include "speaker.h"
#include "video/resnet.h"
uint8_t megazone_state::megazone_port_a_r()
namespace {
class megazone_state : public driver_device
{
int clock, timer;
public:
megazone_state(const machine_config &mconfig, device_type type, const char *tag) :
driver_device(mconfig, type, tag),
m_scrolly(*this, "scrolly"),
m_scrollx(*this, "scrollx"),
m_videoram(*this, "videoram%u", 1U),
m_colorram(*this, "colorram%u", 1U),
m_spriteram(*this, "spriteram"),
m_share1(*this, "share1"),
m_maincpu(*this, "maincpu"),
m_audiocpu(*this, "audiocpu"),
m_daccpu(*this, "daccpu"),
m_gfxdecode(*this, "gfxdecode"),
m_palette(*this, "palette"),
m_filter(*this, "filter.0.%u", 0U)
{ }
void megazone(machine_config &config);
protected:
virtual void machine_start() override;
virtual void machine_reset() override;
virtual void video_start() override;
private:
// memory pointers
required_shared_ptr<uint8_t> m_scrolly;
required_shared_ptr<uint8_t> m_scrollx;
required_shared_ptr_array<uint8_t, 2> m_videoram;
required_shared_ptr_array<uint8_t, 2> m_colorram;
required_shared_ptr<uint8_t> m_spriteram;
required_shared_ptr<uint8_t> m_share1;
// video-related
std::unique_ptr<bitmap_ind16> m_tmpbitmap;
bool m_flipscreen;
// misc
uint8_t m_i8039_status;
bool m_irq_mask;
// devices
required_device<cpu_device> m_maincpu;
required_device<cpu_device> m_audiocpu;
required_device<i8039_device> m_daccpu;
required_device<gfxdecode_device> m_gfxdecode;
required_device<palette_device> m_palette;
required_device_array<filter_rc_device, 3> m_filter;
void i8039_irq_w(uint8_t data);
void i8039_irqen_and_status_w(uint8_t data);
DECLARE_WRITE_LINE_MEMBER(coin_counter_1_w);
DECLARE_WRITE_LINE_MEMBER(coin_counter_2_w);
DECLARE_WRITE_LINE_MEMBER(irq_mask_w);
DECLARE_WRITE_LINE_MEMBER(flipscreen_w);
uint8_t port_a_r();
void port_b_w(uint8_t data);
void palette(palette_device &palette) const;
uint32_t screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
DECLARE_WRITE_LINE_MEMBER(vblank_irq);
void i8039_io_map(address_map &map);
void i8039_map(address_map &map);
void main_map(address_map &map);
void sound_io_map(address_map &map);
void sound_map(address_map &map);
};
/* main xtal 14.318MHz, divided by 8 to get the AY-3-8910 clock, further */
/* divided by 1024 to get this timer */
/* The base clock for the CPU and 8910 is NOT the same, so we have to */
/* compensate. */
/* (divide by (1024/2), and not 1024, because the CPU cycle counter is */
/* incremented every other state change of the clock) */
// video
clock = m_audiocpu->total_cycles() * 7159/12288; /* = (14318/8)/(18432/6) */
timer = (clock / (1024/2)) & 0x0f;
/***************************************************************************
Based on driver from MAME 0.55
Changes by Martin M. (pfloyd@gmx.net) 14.10.2001:
/* low three bits come from the 8039 */
- Added support for screen flip in cocktail mode (tricky!) */
/***************************************************************************
Convert the color PROMs into a more useable format.
Megazone has one 32x8 palette PROM and two 256x4 lookup table PROMs
(one for characters, one for sprites).
The palette PROM is connected to the RGB output this way:
bit 7 -- 220 ohm resistor -- BLUE
-- 470 ohm resistor -- BLUE
-- 220 ohm resistor -- GREEN
-- 470 ohm resistor -- GREEN
-- 1 kohm resistor -- GREEN
-- 220 ohm resistor -- RED
-- 470 ohm resistor -- RED
bit 0 -- 1 kohm resistor -- RED
***************************************************************************/
void megazone_state::palette(palette_device &palette) const
{
const uint8_t *color_prom = memregion("proms")->base();
static constexpr int resistances_rg[3] = { 1000, 470, 220 };
static constexpr int resistances_b [2] = { 470, 220 };
// compute the color output resistor weights
double rweights[3], gweights[3], bweights[2];
compute_resistor_weights(0, 255, -1.0,
3, &resistances_rg[0], rweights, 1000, 0,
3, &resistances_rg[0], gweights, 1000, 0,
2, &resistances_b[0], bweights, 1000, 0);
// create a lookup table for the palette
for (int i = 0; i < 0x20; i++)
{
// red component
int bit0 = BIT(color_prom[i], 0);
int bit1 = BIT(color_prom[i], 1);
int bit2 = BIT(color_prom[i], 2);
int const r = combine_weights(rweights, bit0, bit1, bit2);
// green component
bit0 = BIT(color_prom[i], 3);
bit1 = BIT(color_prom[i], 4);
bit2 = BIT(color_prom[i], 5);
int const g = combine_weights(gweights, bit0, bit1, bit2);
// blue component
bit0 = BIT(color_prom[i], 6);
bit1 = BIT(color_prom[i], 7);
int const b = combine_weights(bweights, bit0, bit1);
palette.set_indirect_color(i, rgb_t(r, g, b));
}
// color_prom now points to the beginning of the lookup table
color_prom += 0x20;
// sprites
for (int i = 0; i < 0x100; i++)
{
uint8_t const ctabentry = color_prom[i] & 0x0f;
palette.set_pen_indirect(i, ctabentry);
}
// characters
for (int i = 0x100; i < 0x200; i++)
{
uint8_t const ctabentry = (color_prom[i] & 0x0f) | 0x10;
palette.set_pen_indirect(i, ctabentry);
}
}
WRITE_LINE_MEMBER(megazone_state::flipscreen_w)
{
m_flipscreen = state;
}
void megazone_state::video_start()
{
m_tmpbitmap = std::make_unique<bitmap_ind16>(256, 256);
save_item(NAME(*m_tmpbitmap));
}
uint32_t megazone_state::screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
{
// for every character in the Video RAM
for (int offs = m_videoram[0].bytes() - 1; offs >= 0; offs--)
{
int sx = offs % 32;
int sy = offs / 32;
int flipx = m_colorram[0][offs] & (1 << 6);
int flipy = m_colorram[0][offs] & (1 << 5);
if (m_flipscreen)
{
sx = 31 - sx;
sy = 31 - sy;
flipx = !flipx;
flipy = !flipy;
}
m_gfxdecode->gfx(1)->opaque(*m_tmpbitmap, m_tmpbitmap->cliprect(),
((int)m_videoram[0][offs]) + ((m_colorram[0][offs] & (1 << 7) ? 256 : 0) ),
(m_colorram[0][offs] & 0x0f) + 0x10,
flipx, flipy,
8 * sx, 8 * sy);
}
// copy the temporary bitmap to the screen
{
int scrollx;
int scrolly;
if (m_flipscreen)
{
scrollx = *m_scrolly;
scrolly = *m_scrollx;
}
else
{
scrollx = - *m_scrolly + 4 * 8; // leave space for credit&score overlay
scrolly = - *m_scrollx;
}
copyscrollbitmap(bitmap, *m_tmpbitmap, 1, &scrollx, 1, &scrolly, cliprect);
}
// Draw the sprites.
{
for (int offs = m_spriteram.bytes() - 4; offs >= 0; offs -= 4)
{
int sx = m_spriteram[offs + 3];
int sy = 255 - ((m_spriteram[offs + 1] + 16) & 0xff);
int color = m_spriteram[offs + 0] & 0x0f;
int flipx = ~m_spriteram[offs + 0] & 0x40;
int flipy = m_spriteram[offs + 0] & 0x80;
if (m_flipscreen)
{
sx = sx - 11;
sy = sy + 2;
}
else
sx = sx + 32;
m_gfxdecode->gfx(0)->transmask(bitmap, cliprect,
m_spriteram[offs + 2],
color,
flipx, flipy,
sx, sy,
m_palette->transpen_mask(*m_gfxdecode->gfx(0), color, 0));
}
}
for (int y = 0; y < 32;y++)
{
int offs = y * 32;
for (int x = 0; x < 6; x++)
{
int sx = x;
int sy = y;
int flipx = m_colorram[1][offs] & (1 << 6);
int flipy = m_colorram[1][offs] & (1 << 5);
if (m_flipscreen)
{
sx = 35 - sx;
sy = 31 - sy;
flipx = !flipx;
flipy = !flipy;
}
m_gfxdecode->gfx(1)->opaque(bitmap, cliprect,
((int)m_videoram[1][offs]) + ((m_colorram[1][offs] & (1 << 7) ? 256 : 0) ),
(m_colorram[1][offs] & 0x0f) + 0x10,
flipx, flipy,
8 * sx, 8 * sy);
offs++;
}
}
return 0;
}
// machine
uint8_t megazone_state::port_a_r()
{
// main xtal 14.318MHz, divided by 8 to get the AY-3-8910 clock, further divided by 1024 to get this timer
// The base clock for the CPU and 8910 is NOT the same, so we have to compensate.
// (divide by (1024/2), and not 1024, because the CPU cycle counter is incremented every other state change of the clock)
int clock = m_audiocpu->total_cycles() * 7159 / 12288; // = (14318 / 8) / (18432 / 6)
int timer = (clock / (1024 / 2)) & 0x0f;
// low three bits come from the 8039
return (timer << 4) | m_i8039_status;
}
void megazone_state::megazone_port_b_w(uint8_t data)
void megazone_state::port_b_w(uint8_t data)
{
for (int i = 0; i < 3; i++)
{
int C = 0;
if (data & 1)
C += 10000; /* 10000pF = 0.01uF */
C += 10000; // 10000pF = 0.01uF
if (data & 2)
C += 220000; /* 220000pF = 0.22uF */
C += 220000; // 220000pF = 0.22uF
data >>= 2;
m_filter[i]->filter_rc_set_RC(filter_rc_device::LOWPASS_3R, 1000, 2200, 200, CAP_P(C));
}
}
void megazone_state::megazone_i8039_irq_w(uint8_t data)
void megazone_state::i8039_irq_w(uint8_t data)
{
m_daccpu->set_input_line(0, ASSERT_LINE);
}
@ -137,38 +528,38 @@ WRITE_LINE_MEMBER(megazone_state::irq_mask_w)
}
void megazone_state::megazone_map(address_map &map)
void megazone_state::main_map(address_map &map)
{
map(0x0000, 0x0007).w("mainlatch", FUNC(ls259_device::write_d0));
map(0x0800, 0x0800).w("watchdog", FUNC(watchdog_timer_device::reset_w));
map(0x1000, 0x1000).writeonly().share("scrolly");
map(0x1800, 0x1800).writeonly().share("scrollx");
map(0x2000, 0x23ff).ram().share("videoram");
map(0x2400, 0x27ff).ram().share("videoram2");
map(0x2800, 0x2bff).ram().share("colorram");
map(0x2c00, 0x2fff).ram().share("colorram2");
map(0x3000, 0x33ff).ram().share("spriteram");
map(0x1000, 0x1000).writeonly().share(m_scrolly);
map(0x1800, 0x1800).writeonly().share(m_scrollx);
map(0x2000, 0x23ff).ram().share(m_videoram[0]);
map(0x2400, 0x27ff).ram().share(m_videoram[1]);
map(0x2800, 0x2bff).ram().share(m_colorram[0]);
map(0x2c00, 0x2fff).ram().share(m_colorram[1]);
map(0x3000, 0x33ff).ram().share(m_spriteram);
map(0x3800, 0x3fff).lrw8([this](offs_t off) { return m_share1[off]; }, "share_r", [this](offs_t off, u8 data) { m_share1[off] = data; }, "share_w");
map(0x4000, 0xffff).rom(); /* 4000->5FFF is a debug rom */
map(0x4000, 0xffff).rom(); // 4000->5FFF is a debug ROM
}
void megazone_state::megazone_sound_map(address_map &map)
void megazone_state::sound_map(address_map &map)
{
map(0x0000, 0x1fff).rom();
map(0x2000, 0x2000).w(FUNC(megazone_state::megazone_i8039_irq_w)); /* START line. Interrupts 8039 */
map(0x4000, 0x4000).w("soundlatch", FUNC(generic_latch_8_device::write)); /* CODE line. Command Interrupts 8039 */
map(0x6000, 0x6000).portr("IN0"); /* IO Coin */
map(0x6001, 0x6001).portr("IN1"); /* P1 IO */
map(0x6002, 0x6002).portr("IN2"); /* P2 IO */
map(0x2000, 0x2000).w(FUNC(megazone_state::i8039_irq_w)); // START line. Interrupts 8039
map(0x4000, 0x4000).w("soundlatch", FUNC(generic_latch_8_device::write)); // CODE line. Command Interrupts 8039
map(0x6000, 0x6000).portr("IN0"); // IO Coin
map(0x6001, 0x6001).portr("IN1"); // P1 IO
map(0x6002, 0x6002).portr("IN2"); // P2 IO
map(0x8000, 0x8000).portr("DSW2");
map(0x8001, 0x8001).portr("DSW1");
map(0xa000, 0xa000).nopw(); /* INTMAIN - Interrupts main CPU (unused) */
map(0xc000, 0xc000).nopw(); /* INT (Actually is NMI) enable/disable (unused)*/
map(0xa000, 0xa000).nopw(); // INTMAIN - Interrupts main CPU (unused)
map(0xc000, 0xc000).nopw(); // INT (Actually is NMI) enable/disable (unused)
map(0xc001, 0xc001).w("watchdog", FUNC(watchdog_timer_device::reset_w));
map(0xe000, 0xe7ff).ram().share("share1");
map(0xe000, 0xe7ff).ram().share(m_share1);
}
void megazone_state::megazone_sound_io_map(address_map &map)
void megazone_state::sound_io_map(address_map &map)
{
map.global_mask(0xff);
map(0x00, 0x00).w("aysnd", FUNC(ay8910_device::address_w));
@ -176,35 +567,35 @@ void megazone_state::megazone_sound_io_map(address_map &map)
map(0x02, 0x02).w("aysnd", FUNC(ay8910_device::data_w));
}
void megazone_state::megazone_i8039_map(address_map &map)
void megazone_state::i8039_map(address_map &map)
{
map(0x0000, 0x0fff).rom();
}
void megazone_state::megazone_i8039_io_map(address_map &map)
void megazone_state::i8039_io_map(address_map &map)
{
map(0x00, 0xff).r("soundlatch", FUNC(generic_latch_8_device::read));
}
static INPUT_PORTS_START( megazone )
/* 0x6000 -> 0xe320 (CPU1) = 0x3b20 (CPU0) */
// 0x6000 -> 0xe320 (CPU1) = 0x3b20 (CPU0)
PORT_START("IN0")
KONAMI8_SYSTEM_UNK
/* 0x6001 -> 0xe31e (CPU1) = 0x3b1e (CPU0) */
// 0x6001 -> 0xe31e (CPU1) = 0x3b1e (CPU0)
PORT_START("IN1")
KONAMI8_MONO_B1_UNK
/* 0x6002 -> 0xe31e (CPU1) = 0x3b1e (CPU0) or 0xe31f (CPU1) = 0x3b1f (CPU0) in "test mode" */
// 0x6002 -> 0xe31e (CPU1) = 0x3b1e (CPU0) or 0xe31f (CPU1) = 0x3b1f (CPU0) in "test mode"
PORT_START("IN2")
KONAMI8_COCKTAIL_B1_UNK
/* 0x8001 -> 0xe021 (CPU1) = 0x3821 (CPU0) */
// 0x8001 -> 0xe021 (CPU1) = 0x3821 (CPU0)
PORT_START("DSW1")
KONAMI_COINAGE_LOC(DEF_STR( Free_Play ), "No Coin B", SW1)
/* "No Coin B" = coins produce sound, but no effect on coin counter */
// "No Coin B" = coins produce sound, but no effect on coin counter
/* 0x8000 -> 0xe020 (CPU1) = 0x3820 (CPU0) */
// 0x8000 -> 0xe020 (CPU1) = 0x3820 (CPU0)
PORT_START("DSW2")
PORT_DIPNAME( 0x03, 0x03, DEF_STR( Lives ) ) PORT_DIPLOCATION("SW2:1,2")
PORT_DIPSETTING( 0x03, "3" )
@ -243,26 +634,26 @@ INPUT_PORTS_END
static const gfx_layout charlayout =
{
8,8, /* 8*8 characters */
512, /* 512 characters */
4, /* 4 bits per pixel */
{ 0, 1, 2, 3 }, /* the four bitplanes are packed in one nibble */
8,8, // 8*8 characters
512, // 512 characters
4, // 4 bits per pixel
{ 0, 1, 2, 3 }, // the four bitplanes are packed in one nibble
{ 0*4, 1*4, 2*4, 3*4, 4*4, 5*4, 6*4, 7*4 },
{ 0*32, 1*32, 2*32, 3*32, 4*32, 5*32, 6*32, 7*32 },
32*8 /* every char takes 8 consecutive bytes */
32*8 // every char takes 8 consecutive bytes
};
static const gfx_layout spritelayout =
{
16,16, /* 16*16 sprites */
256, /* 256 sprites */
4, /* 4 bits per pixel */
16,16, // 16*16 sprites
256, // 256 sprites
4, // 4 bits per pixel
{ 0x4000*8+4, 0x4000*8+0, 4, 0 },
{ 0, 1, 2, 3, 8*8+0, 8*8+1, 8*8+2, 8*8+3,
16*8+0, 16*8+1, 16*8+2, 16*8+3, 24*8+0, 24*8+1, 24*8+2, 24*8+3 },
{ 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8 ,
32*8, 33*8, 34*8, 35*8, 36*8, 37*8, 38*8, 39*8 },
64*8 /* every sprite takes 64 consecutive bytes */
64*8 // every sprite takes 64 consecutive bytes
};
static GFXDECODE_START( gfx_megazone )
@ -294,17 +685,17 @@ WRITE_LINE_MEMBER(megazone_state::vblank_irq)
void megazone_state::megazone(machine_config &config)
{
/* basic machine hardware */
KONAMI1(config, m_maincpu, XTAL(18'432'000)/9); /* 2.048 MHz */
m_maincpu->set_addrmap(AS_PROGRAM, &megazone_state::megazone_map);
// basic machine hardware
KONAMI1(config, m_maincpu, XTAL(18'432'000) / 12); // 1.536 MHz
m_maincpu->set_addrmap(AS_PROGRAM, &megazone_state::main_map);
Z80(config, m_audiocpu, XTAL(18'432'000)/6); /* Z80 Clock is derived from the H1 signal */
m_audiocpu->set_addrmap(AS_PROGRAM, &megazone_state::megazone_sound_map);
m_audiocpu->set_addrmap(AS_IO, &megazone_state::megazone_sound_io_map);
Z80(config, m_audiocpu, XTAL(18'432'000) / 6); // Z80 Clock is derived from the H1 signal
m_audiocpu->set_addrmap(AS_PROGRAM, &megazone_state::sound_map);
m_audiocpu->set_addrmap(AS_IO, &megazone_state::sound_io_map);
I8039(config, m_daccpu, XTAL(14'318'181)/2); /* 7.15909MHz */
m_daccpu->set_addrmap(AS_PROGRAM, &megazone_state::megazone_i8039_map);
m_daccpu->set_addrmap(AS_IO, &megazone_state::megazone_i8039_io_map);
I8039(config, m_daccpu, XTAL(14'318'181) / 2); // 7.15909 MHz
m_daccpu->set_addrmap(AS_PROGRAM, &megazone_state::i8039_map);
m_daccpu->set_addrmap(AS_IO, &megazone_state::i8039_io_map);
m_daccpu->p1_out_cb().set("dac", FUNC(dac_byte_interface::data_w));
m_daccpu->p2_out_cb().set(FUNC(megazone_state::i8039_irqen_and_status_w));
@ -318,32 +709,32 @@ void megazone_state::megazone(machine_config &config)
WATCHDOG_TIMER(config, "watchdog");
/* video hardware */
// video hardware
screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER));
screen.set_refresh_hz(60);
screen.set_refresh_hz(60.606060);
screen.set_vblank_time(ATTOSECONDS_IN_USEC(0));
screen.set_size(36*8, 32*8);
screen.set_visarea(0*8, 36*8-1, 2*8, 30*8-1);
screen.set_screen_update(FUNC(megazone_state::screen_update_megazone));
screen.set_screen_update(FUNC(megazone_state::screen_update));
screen.set_palette(m_palette);
screen.screen_vblank().set(FUNC(megazone_state::vblank_irq));
GFXDECODE(config, m_gfxdecode, m_palette, gfx_megazone);
PALETTE(config, m_palette, FUNC(megazone_state::megazone_palette), 16*16+16*16, 32);
PALETTE(config, m_palette, FUNC(megazone_state::palette), 16*16+16*16, 32);
/* sound hardware */
// sound hardware
SPEAKER(config, "speaker").front_center();
GENERIC_LATCH_8(config, "soundlatch");
ay8910_device &aysnd(AY8910(config, "aysnd", XTAL(14'318'181)/8));
aysnd.port_a_read_callback().set(FUNC(megazone_state::megazone_port_a_r));
aysnd.port_b_write_callback().set(FUNC(megazone_state::megazone_port_b_w));
ay8910_device &aysnd(AY8910(config, "aysnd", XTAL(14'318'181) / 8));
aysnd.port_a_read_callback().set(FUNC(megazone_state::port_a_r));
aysnd.port_b_write_callback().set(FUNC(megazone_state::port_b_w));
aysnd.add_route(0, "filter.0.0", 0.30);
aysnd.add_route(1, "filter.0.1", 0.30);
aysnd.add_route(2, "filter.0.2", 0.30);
DAC_8BIT_R2R(config, "dac", 0).add_route(ALL_OUTPUTS, "speaker", 0.25); // unknown DAC
DAC_8BIT_R2R(config, "dac", 0).add_route(ALL_OUTPUTS, "speaker", 0.25); // R-2R ladder network
FILTER_RC(config, m_filter[0]).add_route(ALL_OUTPUTS, "speaker", 1.0);
FILTER_RC(config, m_filter[1]).add_route(ALL_OUTPUTS, "speaker", 1.0);
@ -369,7 +760,7 @@ ROM_START( megazone )
ROM_REGION( 0x10000, "audiocpu", 0 )
ROM_LOAD( "319e02.6d", 0x0000, 0x2000, CRC(d5d45edb) SHA1(3808d1b58fe152f8f5b49bf0aa40c53e9c9dd4bd) )
ROM_REGION( 0x1000, "daccpu", 0 ) /* 4k for the 8039 DAC CPU */
ROM_REGION( 0x1000, "daccpu", 0 ) // 4k for the 8039 DAC CPU
ROM_LOAD( "319e01.3a", 0x0000, 0x1000, CRC(ed5725a0) SHA1(64f54621487291fbfe827fb4cecca299fd0db781) )
ROM_REGION( 0x08000, "gfx1", 0 )
@ -383,11 +774,11 @@ ROM_START( megazone )
ROM_LOAD( "319_g13.10c", 0x2000, 0x2000, CRC(3d8f3743) SHA1(1f6fbf804dacfa44cd11b4cf41d0bedb7f2ff6b6) ) // same as e13
ROM_REGION( 0x0260, "proms", 0 )
ROM_LOAD( "319b18.a16", 0x0000, 0x020, CRC(23cb02af) SHA1(aba459826a75ec07bc6d97580e934f58aa22f4f4) ) /* palette */
ROM_LOAD( "319b16.c6", 0x0020, 0x100, CRC(5748e933) SHA1(c1478c31533a11421cd4579ccfdbb430e193d17b) ) /* sprite lookup table */
ROM_LOAD( "319b17.a11", 0x0120, 0x100, CRC(1fbfce73) SHA1(1c58eb91982d5f10511d54a83070e859ac57d2f1) ) /* character lookup table */
ROM_LOAD( "319b14.e7", 0x0220, 0x020, CRC(55044268) SHA1(29cf4158314ed897daf045a7f07be865dd977663) ) /* timing (not used) */
ROM_LOAD( "319b15.e8", 0x0240, 0x020, CRC(31fd7ab9) SHA1(04d6e51b4930619c8ee12fb0d7b5f981e4d6d8d3) ) /* timing (not used) */
ROM_LOAD( "319b18.a16", 0x0000, 0x020, CRC(23cb02af) SHA1(aba459826a75ec07bc6d97580e934f58aa22f4f4) ) // palette
ROM_LOAD( "319b16.c6", 0x0020, 0x100, CRC(5748e933) SHA1(c1478c31533a11421cd4579ccfdbb430e193d17b) ) // sprite lookup table
ROM_LOAD( "319b17.a11", 0x0120, 0x100, CRC(1fbfce73) SHA1(1c58eb91982d5f10511d54a83070e859ac57d2f1) ) // character lookup table
ROM_LOAD( "319b14.e7", 0x0220, 0x020, CRC(55044268) SHA1(29cf4158314ed897daf045a7f07be865dd977663) ) // timing (not used)
ROM_LOAD( "319b15.e8", 0x0240, 0x020, CRC(31fd7ab9) SHA1(04d6e51b4930619c8ee12fb0d7b5f981e4d6d8d3) ) // timing (not used)
ROM_END
ROM_START( megazonej ) // Interlogic + Kosuka license set
@ -401,7 +792,7 @@ ROM_START( megazonej ) // Interlogic + Kosuka license set
ROM_REGION( 0x10000, "audiocpu", 0 )
ROM_LOAD( "319e02.6d", 0x0000, 0x2000, CRC(d5d45edb) SHA1(3808d1b58fe152f8f5b49bf0aa40c53e9c9dd4bd) )
ROM_REGION( 0x1000, "daccpu", 0 ) /* 4k for the 8039 DAC CPU */
ROM_REGION( 0x1000, "daccpu", 0 ) // 4k for the 8039 DAC CPU
ROM_LOAD( "319e01.3a", 0x0000, 0x1000, CRC(ed5725a0) SHA1(64f54621487291fbfe827fb4cecca299fd0db781) )
ROM_REGION( 0x08000, "gfx1", 0 )
@ -415,11 +806,11 @@ ROM_START( megazonej ) // Interlogic + Kosuka license set
ROM_LOAD( "319_g13.10c", 0x2000, 0x2000, CRC(3d8f3743) SHA1(1f6fbf804dacfa44cd11b4cf41d0bedb7f2ff6b6) ) // same as e13
ROM_REGION( 0x0260, "proms", 0 )
ROM_LOAD( "319b18.a16", 0x0000, 0x020, CRC(23cb02af) SHA1(aba459826a75ec07bc6d97580e934f58aa22f4f4) ) /* palette */
ROM_LOAD( "319b16.c6", 0x0020, 0x100, CRC(5748e933) SHA1(c1478c31533a11421cd4579ccfdbb430e193d17b) ) /* sprite lookup table */
ROM_LOAD( "319b17.a11", 0x0120, 0x100, CRC(1fbfce73) SHA1(1c58eb91982d5f10511d54a83070e859ac57d2f1) ) /* character lookup table */
ROM_LOAD( "319b14.e7", 0x0220, 0x020, CRC(55044268) SHA1(29cf4158314ed897daf045a7f07be865dd977663) ) /* timing (not used) */
ROM_LOAD( "319b15.e8", 0x0240, 0x020, CRC(31fd7ab9) SHA1(04d6e51b4930619c8ee12fb0d7b5f981e4d6d8d3) ) /* timing (not used) */
ROM_LOAD( "319b18.a16", 0x0000, 0x020, CRC(23cb02af) SHA1(aba459826a75ec07bc6d97580e934f58aa22f4f4) ) // palette
ROM_LOAD( "319b16.c6", 0x0020, 0x100, CRC(5748e933) SHA1(c1478c31533a11421cd4579ccfdbb430e193d17b) ) // sprite lookup table
ROM_LOAD( "319b17.a11", 0x0120, 0x100, CRC(1fbfce73) SHA1(1c58eb91982d5f10511d54a83070e859ac57d2f1) ) // character lookup table
ROM_LOAD( "319b14.e7", 0x0220, 0x020, CRC(55044268) SHA1(29cf4158314ed897daf045a7f07be865dd977663) ) // timing (not used)
ROM_LOAD( "319b15.e8", 0x0240, 0x020, CRC(31fd7ab9) SHA1(04d6e51b4930619c8ee12fb0d7b5f981e4d6d8d3) ) // timing (not used)
ROM_END
ROM_START( megazonei )
@ -433,7 +824,7 @@ ROM_START( megazonei )
ROM_REGION( 0x10000, "audiocpu", 0 )
ROM_LOAD( "319e02.6d", 0x0000, 0x2000, CRC(d5d45edb) SHA1(3808d1b58fe152f8f5b49bf0aa40c53e9c9dd4bd) )
ROM_REGION( 0x1000, "daccpu", 0 ) /* 4k for the 8039 DAC CPU */
ROM_REGION( 0x1000, "daccpu", 0 ) // 4k for the 8039 DAC CPU
ROM_LOAD( "319e01.3a", 0x0000, 0x1000, CRC(ed5725a0) SHA1(64f54621487291fbfe827fb4cecca299fd0db781) )
ROM_REGION( 0x08000, "gfx1", 0 )
@ -447,11 +838,11 @@ ROM_START( megazonei )
ROM_LOAD( "319_e13.10c", 0x2000, 0x2000, CRC(3d8f3743) SHA1(1f6fbf804dacfa44cd11b4cf41d0bedb7f2ff6b6) )
ROM_REGION( 0x0260, "proms", 0 )
ROM_LOAD( "319b18.a16", 0x0000, 0x020, CRC(23cb02af) SHA1(aba459826a75ec07bc6d97580e934f58aa22f4f4) ) /* palette */
ROM_LOAD( "319b16.c6", 0x0020, 0x100, CRC(5748e933) SHA1(c1478c31533a11421cd4579ccfdbb430e193d17b) ) /* sprite lookup table */
ROM_LOAD( "319b17.a11", 0x0120, 0x100, CRC(1fbfce73) SHA1(1c58eb91982d5f10511d54a83070e859ac57d2f1) ) /* character lookup table */
ROM_LOAD( "319b14.e7", 0x0220, 0x020, CRC(55044268) SHA1(29cf4158314ed897daf045a7f07be865dd977663) ) /* timing (not used) */
ROM_LOAD( "319b15.e8", 0x0240, 0x020, CRC(31fd7ab9) SHA1(04d6e51b4930619c8ee12fb0d7b5f981e4d6d8d3) ) /* timing (not used) */
ROM_LOAD( "319b18.a16", 0x0000, 0x020, CRC(23cb02af) SHA1(aba459826a75ec07bc6d97580e934f58aa22f4f4) ) // palette
ROM_LOAD( "319b16.c6", 0x0020, 0x100, CRC(5748e933) SHA1(c1478c31533a11421cd4579ccfdbb430e193d17b) ) // sprite lookup table
ROM_LOAD( "319b17.a11", 0x0120, 0x100, CRC(1fbfce73) SHA1(1c58eb91982d5f10511d54a83070e859ac57d2f1) ) // character lookup table
ROM_LOAD( "319b14.e7", 0x0220, 0x020, CRC(55044268) SHA1(29cf4158314ed897daf045a7f07be865dd977663) ) // timing (not used)
ROM_LOAD( "319b15.e8", 0x0240, 0x020, CRC(31fd7ab9) SHA1(04d6e51b4930619c8ee12fb0d7b5f981e4d6d8d3) ) // timing (not used)
ROM_END
ROM_START( megazoneh ) // Kosuka license set
@ -465,7 +856,7 @@ ROM_START( megazoneh ) // Kosuka license set
ROM_REGION( 0x10000, "audiocpu", 0 )
ROM_LOAD( "319e02.6d", 0x0000, 0x2000, CRC(d5d45edb) SHA1(3808d1b58fe152f8f5b49bf0aa40c53e9c9dd4bd) )
ROM_REGION( 0x1000, "daccpu", 0 ) /* 4k for the 8039 DAC CPU */
ROM_REGION( 0x1000, "daccpu", 0 ) // 4k for the 8039 DAC CPU
ROM_LOAD( "319h01.3a", 0x0000, 0x1000, CRC(ed5725a0) SHA1(64f54621487291fbfe827fb4cecca299fd0db781) ) // same as e01
ROM_REGION( 0x08000, "gfx1", 0 )
@ -479,43 +870,44 @@ ROM_START( megazoneh ) // Kosuka license set
ROM_LOAD( "319_g13.10c", 0x2000, 0x2000, CRC(3d8f3743) SHA1(1f6fbf804dacfa44cd11b4cf41d0bedb7f2ff6b6) ) // same as e13
ROM_REGION( 0x0260, "proms", 0 )
ROM_LOAD( "319b18.a16", 0x0000, 0x020, CRC(23cb02af) SHA1(aba459826a75ec07bc6d97580e934f58aa22f4f4) ) /* palette */
ROM_LOAD( "319b16.c6", 0x0020, 0x100, CRC(5748e933) SHA1(c1478c31533a11421cd4579ccfdbb430e193d17b) ) /* sprite lookup table */
ROM_LOAD( "319b17.a11", 0x0120, 0x100, CRC(1fbfce73) SHA1(1c58eb91982d5f10511d54a83070e859ac57d2f1) ) /* character lookup table */
ROM_LOAD( "319b14.e7", 0x0220, 0x020, CRC(55044268) SHA1(29cf4158314ed897daf045a7f07be865dd977663) ) /* timing (not used) */
ROM_LOAD( "prom.48", 0x0240, 0x020, CRC(796dea94) SHA1(bab3c2a5466e1c07ec27cccf7b1a21e9de4ed982) ) /* timing (not used) */
ROM_LOAD( "319b18.a16", 0x0000, 0x020, CRC(23cb02af) SHA1(aba459826a75ec07bc6d97580e934f58aa22f4f4) ) // palette
ROM_LOAD( "319b16.c6", 0x0020, 0x100, CRC(5748e933) SHA1(c1478c31533a11421cd4579ccfdbb430e193d17b) ) // sprite lookup table
ROM_LOAD( "319b17.a11", 0x0120, 0x100, CRC(1fbfce73) SHA1(1c58eb91982d5f10511d54a83070e859ac57d2f1) ) // character lookup table
ROM_LOAD( "319b14.e7", 0x0220, 0x020, CRC(55044268) SHA1(29cf4158314ed897daf045a7f07be865dd977663) ) // timing (not used)
ROM_LOAD( "prom.48", 0x0240, 0x020, CRC(796dea94) SHA1(bab3c2a5466e1c07ec27cccf7b1a21e9de4ed982) ) // timing (not used)
ROM_END
ROM_START( megazonea ) // Interlogic + Kosuka license set
ROM_START( megazonea ) // Interlogic + Kosuka license set.
// A second dump was made from a PCB with all hand written labels on both top and bottom boards. The labels for the second PCB are noted in the comments. Curiously, they seem to point at this being version H, but they differ from megazoneh
ROM_REGION( 2*0x10000, "maincpu", 0 )
ROM_LOAD( "ic59_cpu.bin", 0x6000, 0x2000, CRC(f41922a0) SHA1(9f54509da18721a76593921c6e52085e62e6ea6b) ) // need to correct program / region code ID
ROM_LOAD( "ic58_cpu.bin", 0x8000, 0x2000, CRC(7fd7277b) SHA1(e773247e0c9419cae49e04962ea362a2976c2db2) )
ROM_LOAD( "ic57_cpu.bin", 0xa000, 0x2000, CRC(a4b33b51) SHA1(12bb4da0319a7fe355e5ea4945759c8709aed5fe) )
ROM_LOAD( "ic56_cpu.bin", 0xc000, 0x2000, CRC(2aabcfbf) SHA1(f0054af98bd68158eab3328f8cf2a04b35e812c7) )
ROM_LOAD( "ic55_cpu.bin", 0xe000, 0x2000, CRC(b33a3c37) SHA1(2f1fdf1b9f18fcc9bd97cc9adeecc4ce77dd30c9) )
ROM_LOAD( "ic59_cpu.bin", 0x6000, 0x2000, CRC(f41922a0) SHA1(9f54509da18721a76593921c6e52085e62e6ea6b) ) // need to correct program / region code ID // 2nd PCB: 319h07.ic59
ROM_LOAD( "ic58_cpu.bin", 0x8000, 0x2000, CRC(7fd7277b) SHA1(e773247e0c9419cae49e04962ea362a2976c2db2) ) // 2nd PCB: 319h06.ic58
ROM_LOAD( "ic57_cpu.bin", 0xa000, 0x2000, CRC(a4b33b51) SHA1(12bb4da0319a7fe355e5ea4945759c8709aed5fe) ) // 2nd PCB: 319h05.ic57
ROM_LOAD( "ic56_cpu.bin", 0xc000, 0x2000, CRC(2aabcfbf) SHA1(f0054af98bd68158eab3328f8cf2a04b35e812c7) ) // 2nd PCB: 319h04.ic56
ROM_LOAD( "ic55_cpu.bin", 0xe000, 0x2000, CRC(b33a3c37) SHA1(2f1fdf1b9f18fcc9bd97cc9adeecc4ce77dd30c9) ) // 2nd PCB: 319h03.ic55
ROM_REGION( 0x10000, "audiocpu", 0 )
ROM_LOAD( "319e02.6d", 0x0000, 0x2000, CRC(d5d45edb) SHA1(3808d1b58fe152f8f5b49bf0aa40c53e9c9dd4bd) )
ROM_LOAD( "319e02.6d", 0x0000, 0x2000, CRC(d5d45edb) SHA1(3808d1b58fe152f8f5b49bf0aa40c53e9c9dd4bd) ) // 2nd PCB: 319e02.ic25
ROM_REGION( 0x1000, "daccpu", 0 ) /* 4k for the 8039 DAC CPU */
ROM_LOAD( "319e01.3a", 0x0000, 0x1000, CRC(ed5725a0) SHA1(64f54621487291fbfe827fb4cecca299fd0db781) )
ROM_REGION( 0x1000, "daccpu", 0 ) // 4k for the 8039 DAC CPU
ROM_LOAD( "319e01.3a", 0x0000, 0x1000, CRC(ed5725a0) SHA1(64f54621487291fbfe827fb4cecca299fd0db781) ) // 2nd PCB: 319e01.ic2
ROM_REGION( 0x08000, "gfx1", 0 )
ROM_LOAD( "319e11.3e", 0x0000, 0x2000, CRC(965a7ff6) SHA1(210aae91a3838e5f7c78747d9b7419d266538ffc) )
ROM_LOAD( "319e09.2e", 0x2000, 0x2000, CRC(5eaa7f3e) SHA1(4c038e80d575988407252897a1f1bc6b76af597c) )
ROM_LOAD( "319e10.3d", 0x4000, 0x2000, CRC(7bb1aeee) SHA1(be2dd46cd0121cedad6dab90a22643798a3176ab) )
ROM_LOAD( "319e08.2d", 0x6000, 0x2000, CRC(6add71b1) SHA1(fc8c0ecd3b7f03d63b6c3143143986883345fa38) )
ROM_LOAD( "319e11.3e", 0x0000, 0x2000, CRC(965a7ff6) SHA1(210aae91a3838e5f7c78747d9b7419d266538ffc) ) // 2nd PCB: 319e11.ic015
ROM_LOAD( "319e09.2e", 0x2000, 0x2000, CRC(5eaa7f3e) SHA1(4c038e80d575988407252897a1f1bc6b76af597c) ) // 2nd PCB: 319e09.ic005
ROM_LOAD( "319e10.3d", 0x4000, 0x2000, CRC(7bb1aeee) SHA1(be2dd46cd0121cedad6dab90a22643798a3176ab) ) // 2nd PCB: 319e10.ic014
ROM_LOAD( "319e08.2d", 0x6000, 0x2000, CRC(6add71b1) SHA1(fc8c0ecd3b7f03d63b6c3143143986883345fa38) ) // 2nd PCB: 319e08.ic004
ROM_REGION( 0x04000, "gfx2", 0 )
ROM_LOAD( "319_g12.8c", 0x0000, 0x2000, CRC(07b8b24b) SHA1(faadcb20ee8b26b9ab0692df6a81e5423514863e) )
ROM_LOAD( "319_g13.10c", 0x2000, 0x2000, CRC(3d8f3743) SHA1(1f6fbf804dacfa44cd11b4cf41d0bedb7f2ff6b6) ) // same as e13
ROM_LOAD( "319_g12.8c", 0x0000, 0x2000, CRC(07b8b24b) SHA1(faadcb20ee8b26b9ab0692df6a81e5423514863e) ) // 2nd PCB: 319g12.ic046
ROM_LOAD( "319_g13.10c", 0x2000, 0x2000, CRC(3d8f3743) SHA1(1f6fbf804dacfa44cd11b4cf41d0bedb7f2ff6b6) ) // same as e13 // 2nd PCB: 319g13.ic058
ROM_REGION( 0x0260, "proms", 0 )
ROM_LOAD( "319b18.a16", 0x0000, 0x020, CRC(23cb02af) SHA1(aba459826a75ec07bc6d97580e934f58aa22f4f4) ) /* palette */
ROM_LOAD( "319b16.c6", 0x0020, 0x100, CRC(5748e933) SHA1(c1478c31533a11421cd4579ccfdbb430e193d17b) ) /* sprite lookup table */
ROM_LOAD( "319b17.a11", 0x0120, 0x100, CRC(1fbfce73) SHA1(1c58eb91982d5f10511d54a83070e859ac57d2f1) ) /* character lookup table */
ROM_LOAD( "319b14.e7", 0x0220, 0x020, CRC(55044268) SHA1(29cf4158314ed897daf045a7f07be865dd977663) ) /* timing (not used) */
ROM_LOAD( "319b15.e8", 0x0240, 0x020, CRC(31fd7ab9) SHA1(04d6e51b4930619c8ee12fb0d7b5f981e4d6d8d3) ) /* timing (not used) */
ROM_LOAD( "319b18.a16", 0x0000, 0x020, CRC(23cb02af) SHA1(aba459826a75ec07bc6d97580e934f58aa22f4f4) ) // palette
ROM_LOAD( "319b16.c6", 0x0020, 0x100, CRC(5748e933) SHA1(c1478c31533a11421cd4579ccfdbb430e193d17b) ) // sprite lookup table
ROM_LOAD( "319b17.a11", 0x0120, 0x100, CRC(1fbfce73) SHA1(1c58eb91982d5f10511d54a83070e859ac57d2f1) ) // character lookup table
ROM_LOAD( "319b14.e7", 0x0220, 0x020, CRC(55044268) SHA1(29cf4158314ed897daf045a7f07be865dd977663) ) // timing (not used)
ROM_LOAD( "319b15.e8", 0x0240, 0x020, CRC(31fd7ab9) SHA1(04d6e51b4930619c8ee12fb0d7b5f981e4d6d8d3) ) // timing (not used)
ROM_END
ROM_START( megazoneb )
@ -529,7 +921,7 @@ ROM_START( megazoneb )
ROM_REGION( 0x10000, "audiocpu", 0 )
ROM_LOAD( "319h02.6d", 0x0000, 0x2000, CRC(d5d45edb) SHA1(3808d1b58fe152f8f5b49bf0aa40c53e9c9dd4bd) ) // same as e02
ROM_REGION( 0x1000, "daccpu", 0 ) /* 4k for the 8039 DAC CPU */
ROM_REGION( 0x1000, "daccpu", 0 ) // 4k for the 8039 DAC CPU
ROM_LOAD( "319h01.3a", 0x0000, 0x1000, CRC(ed5725a0) SHA1(64f54621487291fbfe827fb4cecca299fd0db781) ) // same as e01
ROM_REGION( 0x08000, "gfx1", 0 )
@ -543,13 +935,14 @@ ROM_START( megazoneb )
ROM_LOAD( "319_g13.10c", 0x2000, 0x2000, CRC(3d8f3743) SHA1(1f6fbf804dacfa44cd11b4cf41d0bedb7f2ff6b6) ) // same as e13
ROM_REGION( 0x0260, "proms", 0 )
ROM_LOAD( "319b18.a16", 0x0000, 0x020, CRC(23cb02af) SHA1(aba459826a75ec07bc6d97580e934f58aa22f4f4) ) /* palette */
ROM_LOAD( "319b16.c6", 0x0020, 0x100, CRC(5748e933) SHA1(c1478c31533a11421cd4579ccfdbb430e193d17b) ) /* sprite lookup table */
ROM_LOAD( "319b17.a11", 0x0120, 0x100, CRC(1fbfce73) SHA1(1c58eb91982d5f10511d54a83070e859ac57d2f1) ) /* character lookup table */
ROM_LOAD( "319b14.e7", 0x0220, 0x020, CRC(55044268) SHA1(29cf4158314ed897daf045a7f07be865dd977663) ) /* timing (not used) */
ROM_LOAD( "319b15.e8", 0x0240, 0x020, CRC(31fd7ab9) SHA1(04d6e51b4930619c8ee12fb0d7b5f981e4d6d8d3) ) /* timing (not used) */
ROM_LOAD( "319b18.a16", 0x0000, 0x020, CRC(23cb02af) SHA1(aba459826a75ec07bc6d97580e934f58aa22f4f4) ) // palette
ROM_LOAD( "319b16.c6", 0x0020, 0x100, CRC(5748e933) SHA1(c1478c31533a11421cd4579ccfdbb430e193d17b) ) // sprite lookup table
ROM_LOAD( "319b17.a11", 0x0120, 0x100, CRC(1fbfce73) SHA1(1c58eb91982d5f10511d54a83070e859ac57d2f1) ) // character lookup table
ROM_LOAD( "319b14.e7", 0x0220, 0x020, CRC(55044268) SHA1(29cf4158314ed897daf045a7f07be865dd977663) ) // timing (not used)
ROM_LOAD( "319b15.e8", 0x0240, 0x020, CRC(31fd7ab9) SHA1(04d6e51b4930619c8ee12fb0d7b5f981e4d6d8d3) ) // timing (not used)
ROM_END
} // anonymous namespace
GAME( 1983, megazone, 0, megazone, megazone, megazone_state, empty_init, ROT90, "Konami", "Mega Zone (program code L)", MACHINE_SUPPORTS_SAVE )

34
src/mame/drivers/snesb.cpp
View File

@ -35,7 +35,6 @@ TODO:
- venom : gfx glitches on second level
- wldgunsb : dipswitches
- wldgunsb : sometimes continue counter doesn't start from '9', verify if protection is involved.
- fatfurspb: ROMs are identical to the SNES version. Mods provided by security chip?
***************************************************************************
@ -189,7 +188,6 @@ public:
void init_rushbets();
void init_venom();
void init_wldgunsb();
void init_fatfurspb();
private:
optional_shared_ptr_array<int8_t, 2> m_shared_ram;
@ -999,20 +997,6 @@ void snesb_state::init_kinstb()
init_snes_hirom();
}
void snesb_state::init_fatfurspb()
{
uint8_t *rom = memregion("user3")->base();
for (uint32_t i = 0; i < 0x400000; i++)
{
rom[i] = bitswap<8>(rom[i], 5, 0, 6, 1, 7, 4, 3, 2); // Same as kinstb
}
// Data is 100% same as Fatal Fury Special (U). Patches applied by protection device for coinage, etc?
init_snes_hirom();
}
void snesb_state::init_ffight2b()
{
uint8_t *rom = memregion("user3")->base();
@ -1058,6 +1042,13 @@ void snesb_state::init_ffight3b()
rom[0xfffc] = 0x00;
rom[0xfffd] = 0xfe;
// patch out protection
rom[0xfe33] = 0x5c;
rom[0xfe34] = 0x00;
rom[0xfe35] = 0x00;
rom[0xfe36] = 0xc0;
rom[0xfeab] = 0x60;
init_snes_hirom();
}
@ -1636,20 +1627,12 @@ ROM_START( wldgunsb )
ROM_LOAD( "c20.bin", 0x080000, 0x080000, CRC(62ae4acb) SHA1(62aa320bcc7eeedb00c70baa909ac0230256c9a4) )
ROM_END
ROM_START( fatfurspb )
ROM_REGION( 0x400000, "user3", 0 )
ROM_LOAD( "1.u14", 0x000000, 0x100000, CRC(7cb9192c) SHA1(0247e303902e86eaa9443f2a39d352430df5f46f) )
ROM_LOAD( "2.u15", 0x100000, 0x100000, CRC(440e3017) SHA1(7d1a2077032c761676bff7f841ab1fc669d322fa) )
ROM_LOAD( "3.u16", 0x200000, 0x100000, CRC(dbbe10de) SHA1(27c590bff5a762a2528d0819b7544914ab6cae7c) )
ROM_LOAD( "4.u17", 0x300000, 0x100000, CRC(a356e60c) SHA1(c403eff4e7c7deefed68a34a0dbeefadac8c7a0e) )
ROM_END
} // Anonymous namespace
GAME( 199?, kinstb, 0, kinstb, kinstb, snesb_state, init_kinstb, ROT0, "bootleg", "Killer Instinct (SNES bootleg)", MACHINE_IMPERFECT_SOUND | MACHINE_IMPERFECT_GRAPHICS )
GAME( 1996, ffight2b, 0, ffight2b, ffight2b, snesb_state, init_ffight2b, ROT0, "bootleg", "Final Fight 2 (SNES bootleg)", MACHINE_IMPERFECT_SOUND | MACHINE_IMPERFECT_GRAPHICS )
GAME( 199?, ffight3b, 0, extrainp, ffight2b, snesb_state, init_ffight3b, ROT0, "bootleg", "Final Fight 3 (SNES bootleg)", MACHINE_NOT_WORKING | MACHINE_IMPERFECT_SOUND | MACHINE_IMPERFECT_GRAPHICS ) // based on beta version? protected?
GAME( 199?, ffight3b, 0, extrainp, ffight2b, snesb_state, init_ffight3b, ROT0, "bootleg", "Final Fight 3 (SNES bootleg)", MACHINE_NOT_WORKING | MACHINE_IMPERFECT_SOUND | MACHINE_IMPERFECT_GRAPHICS ) // based on beta version? protection isn't figured out
GAME( 1996, iron, 0, extrainp, iron, snesb_state, init_iron, ROT0, "bootleg", "Iron (SNES bootleg)", MACHINE_IMPERFECT_SOUND | MACHINE_IMPERFECT_GRAPHICS )
GAME( 1996, denseib, 0, extrainp, denseib, snesb_state, init_denseib, ROT0, "bootleg", "Ghost Chaser Densei (SNES bootleg, set 1)", MACHINE_IMPERFECT_SOUND | MACHINE_IMPERFECT_GRAPHICS )
GAME( 1996, denseib2, denseib, extrainp, denseib, snesb_state, init_denseib2, ROT0, "bootleg", "Ghost Chaser Densei (SNES bootleg, set 2)", MACHINE_IMPERFECT_SOUND | MACHINE_IMPERFECT_GRAPHICS )
@ -1661,4 +1644,3 @@ GAME( 1996, legendsb, 0, extrainp, kinstb, snesb_state, init_le
GAME( 1997, rushbets, 0, rushbets, rushbets, snesb_state, init_rushbets, ROT0, "bootleg", "Rushing Beat Shura (SNES bootleg)", MACHINE_IMPERFECT_SOUND | MACHINE_IMPERFECT_GRAPHICS )
GAME( 1997, venom, 0, venom, venom, snesb_state, init_venom, ROT0, "bootleg", "Venom & Spider-Man - Separation Anxiety (SNES bootleg)", MACHINE_IMPERFECT_SOUND | MACHINE_IMPERFECT_GRAPHICS )
GAME( 1996, wldgunsb, 0, wldgunsb, wldgunsb, snesb_state, init_wldgunsb, ROT0, "bootleg", "Wild Guns (SNES bootleg)", MACHINE_NOT_WORKING | MACHINE_IMPERFECT_SOUND | MACHINE_IMPERFECT_GRAPHICS ) // based off Japanese version
GAME( 199?, fatfurspb, 0, base, venom, snesb_state, init_fatfurspb, ROT0, "bootleg", "Fatal Fury Special (SNES bootleg)", MACHINE_NOT_WORKING | MACHINE_IMPERFECT_SOUND | MACHINE_IMPERFECT_GRAPHICS ) // coinage, etc. handled by protection device

140
src/mame/drivers/snesb51.cpp
View File

@ -7,6 +7,7 @@
Skeleton driver
The following systems are dumped:
- Fatal Fury Special
- Mortal Kombat 3
- 4 Slot board (two different BIOS versions)
- 4 Slot board with built-in NBA Jam
@ -52,24 +53,37 @@
6 -
* Note - P5 ribbon to SNES controls 7 - GND
Dumper's notes for MK3:
"Ok can confirm with this style the MCU provides an overlay similar to the "NBA jam 4 slot" snes bootlegs.
I have an onscreen insert coin display from the MCU but the underlying snes hardware is dead so actual game is not running."
TODO: complete MCU hookup
***************************************************************************/
#include "emu.h"
#include "includes/snes.h"
#include "cpu/mcs51/mcs51.h"
#include "emupal.h"
#include "speaker.h"
class snesb51_state : public driver_device
namespace {
class snesb51_state : public snes_state
{
public:
snesb51_state(const machine_config &mconfig, device_type type, const char *tag) :
driver_device(mconfig, type, tag),
snes_state(mconfig, type, tag),
m_mcu(*this, "mcu")
{ }
void base(machine_config &config);
void mk3snes(machine_config &config);
void snes4sl(machine_config &config);
void snes4sln(machine_config &config);
void init_fatfurspb();
protected:
void machine_start() override;
@ -78,6 +92,8 @@ private:
void mem_map(address_map &map);
void io_map(address_map &map);
void snes_map(address_map &map);
void spc_map(address_map &map);
void mcu_p1_w(uint8_t data);
uint8_t mcu_p3_r();
@ -91,6 +107,18 @@ private:
uint16_t m_ram_address;
};
void snesb51_state::snes_map(address_map &map)
{
map(0x000000, 0x7dffff).rw(FUNC(snesb51_state::snes_r_bank1), FUNC(snesb51_state::snes_w_bank1));
map(0x7e0000, 0x7fffff).ram().share(m_wram); // 8KB Low RAM, 24KB High RAM, 96KB Expanded RAM
map(0x800000, 0xffffff).rw(FUNC(snesb51_state::snes_r_bank2), FUNC(snesb51_state::snes_w_bank2)); // Mirror and ROM
}
void snesb51_state::spc_map(address_map &map)
{
map(0x0000, 0xffff).ram().share("aram");
}
void snesb51_state::mem_map(address_map &map)
{
map(0x0000, 0x7fff).rom().region("mcu", 0);
@ -112,6 +140,41 @@ void snesb51_state::io_map(address_map &map)
}
static INPUT_PORTS_START( mk3snes )
PORT_START("SERIAL1_DATA1")
PORT_BIT( 0x8000, IP_ACTIVE_HIGH, IPT_BUTTON1 ) PORT_NAME("P1 Button B") PORT_PLAYER(1)
PORT_BIT( 0x4000, IP_ACTIVE_HIGH, IPT_BUTTON4 ) PORT_NAME("P1 Button Y") PORT_PLAYER(1)
PORT_BIT( 0x2000, IP_ACTIVE_HIGH, IPT_UNUSED )
PORT_BIT( 0x1000, IP_ACTIVE_HIGH, IPT_START1 ) PORT_NAME("P1 Start")
PORT_BIT( 0x0800, IP_ACTIVE_HIGH, IPT_JOYSTICK_UP ) PORT_PLAYER(1)
PORT_BIT( 0x0400, IP_ACTIVE_HIGH, IPT_JOYSTICK_DOWN ) PORT_PLAYER(1)
PORT_BIT( 0x0200, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT ) PORT_PLAYER(1)
PORT_BIT( 0x0100, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT ) PORT_PLAYER(1)
PORT_BIT( 0x0080, IP_ACTIVE_HIGH, IPT_BUTTON2 ) PORT_NAME("P1 Button A") PORT_PLAYER(1)
PORT_BIT( 0x0040, IP_ACTIVE_HIGH, IPT_BUTTON5 ) PORT_NAME("P1 Button X") PORT_PLAYER(1)
PORT_BIT( 0x0020, IP_ACTIVE_HIGH, IPT_BUTTON6 ) PORT_NAME("P1 Button L") PORT_PLAYER(1)
PORT_BIT( 0x0010, IP_ACTIVE_HIGH, IPT_BUTTON3 ) PORT_NAME("P1 Button R") PORT_PLAYER(1)
PORT_BIT( 0x000f, IP_ACTIVE_HIGH, IPT_UNUSED )
PORT_START("SERIAL2_DATA1")
PORT_BIT( 0x8000, IP_ACTIVE_HIGH, IPT_BUTTON1 ) PORT_NAME("P2 Button B") PORT_PLAYER(2)
PORT_BIT( 0x4000, IP_ACTIVE_HIGH, IPT_BUTTON4 ) PORT_NAME("P2 Button Y") PORT_PLAYER(2)
PORT_BIT( 0x2000, IP_ACTIVE_HIGH, IPT_UNUSED )
PORT_BIT( 0x1000, IP_ACTIVE_HIGH, IPT_START2 ) PORT_NAME("P2 Start")
PORT_BIT( 0x0800, IP_ACTIVE_HIGH, IPT_JOYSTICK_UP ) PORT_PLAYER(2)
PORT_BIT( 0x0400, IP_ACTIVE_HIGH, IPT_JOYSTICK_DOWN ) PORT_PLAYER(2)
PORT_BIT( 0x0200, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT ) PORT_PLAYER(2)
PORT_BIT( 0x0100, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT ) PORT_PLAYER(2)
PORT_BIT( 0x0080, IP_ACTIVE_HIGH, IPT_BUTTON2 ) PORT_NAME("P2 Button A") PORT_PLAYER(2)
PORT_BIT( 0x0040, IP_ACTIVE_HIGH, IPT_BUTTON5 ) PORT_NAME("P2 Button X") PORT_PLAYER(2)
PORT_BIT( 0x0020, IP_ACTIVE_HIGH, IPT_BUTTON6 ) PORT_NAME("P2 Button L") PORT_PLAYER(2)
PORT_BIT( 0x0010, IP_ACTIVE_HIGH, IPT_BUTTON3 ) PORT_NAME("P2 Button R") PORT_PLAYER(2)
PORT_BIT( 0x000f, IP_ACTIVE_HIGH, IPT_UNUSED )
PORT_START("SERIAL1_DATA2")
PORT_BIT( 0xffff, IP_ACTIVE_HIGH, IPT_UNUSED )
PORT_START("SERIAL2_DATA2")
PORT_BIT( 0xffff, IP_ACTIVE_HIGH, IPT_UNUSED )
INPUT_PORTS_END
static INPUT_PORTS_START( snes4sl )
@ -178,10 +241,47 @@ void snesb51_state::machine_start()
{
m_ram = std::make_unique<uint8_t[]>(0x2000);
save_pointer(NAME(m_ram), 0x2000);
snes_state::machine_start();
}
void snesb51_state::base(machine_config &config)
{
// basic machine hardware
_5A22(config, m_maincpu, 3580000 * 6);
m_maincpu->set_addrmap(AS_PROGRAM, &snesb51_state::snes_map);
S_SMP(config, m_soundcpu, XTAL(24'576'000) / 12);
m_soundcpu->set_addrmap(AS_DATA, &snesb51_state::spc_map);
m_soundcpu->dsp_io_read_callback().set(m_s_dsp, FUNC(s_dsp_device::dsp_io_r));
m_soundcpu->dsp_io_write_callback().set(m_s_dsp, FUNC(s_dsp_device::dsp_io_w));
config.set_perfect_quantum(m_maincpu);
// video hardware
SCREEN(config, m_screen, SCREEN_TYPE_RASTER);
m_screen->set_raw(DOTCLK_NTSC * 2, SNES_HTOTAL * 2, 0, SNES_SCR_WIDTH * 2, SNES_VTOTAL_NTSC, 0, SNES_SCR_HEIGHT_NTSC);
m_screen->set_video_attributes(VIDEO_VARIABLE_WIDTH);
m_screen->set_screen_update(FUNC(snes_state::screen_update));
SNES_PPU(config, m_ppu, MCLK_NTSC);
m_ppu->open_bus_callback().set([this] { return snes_open_bus_r(); });
m_ppu->set_screen("screen");
// sound hardware
SPEAKER(config, "lspeaker").front_left();
SPEAKER(config, "rspeaker").front_right();
S_DSP(config, m_s_dsp, XTAL(24'576'000) / 12);
m_s_dsp->set_addrmap(0, &snesb51_state::spc_map);
m_s_dsp->add_route(0, "lspeaker", 1.00);
m_s_dsp->add_route(1, "rspeaker", 1.00);
}
void snesb51_state::mk3snes(machine_config &config)
{
base(config);
I8751(config, m_mcu, 12_MHz_XTAL);
m_mcu->set_addrmap(AS_IO, &snesb51_state::io_map);
m_mcu->port_out_cb<1>().set(FUNC(snesb51_state::mcu_p1_w));
@ -191,6 +291,8 @@ void snesb51_state::mk3snes(machine_config &config)
void snesb51_state::snes4sl(machine_config &config)
{
base(config);
// exact type unknown
I8031(config, m_mcu, 12_MHz_XTAL);
m_mcu->set_addrmap(AS_PROGRAM, &snesb51_state::mem_map);
@ -206,6 +308,8 @@ void snesb51_state::snes4sl(machine_config &config)
void snesb51_state::snes4sln(machine_config &config)
{
base(config);
I8051(config, m_mcu, 12_MHz_XTAL); // SAB 8051A-P
m_mcu->set_addrmap(AS_PROGRAM, &snesb51_state::mem_map);
m_mcu->set_addrmap(AS_IO, &snesb51_state::io_map);
@ -216,7 +320,7 @@ void snesb51_state::snes4sln(machine_config &config)
// This is identical to the SNES release apart from a single byte
ROM_START( mk3snes )
ROM_REGION(0x400000, "game", 0)
ROM_REGION(0x400000, "user3", 0)
ROM_LOAD("5.u5", 0x000000, 0x080000, CRC(c21ee1ac) SHA1(12fc526e39b0b998b39d558fbe5660e72c7fad14))
ROM_LOAD("6.u6", 0x080000, 0x080000, CRC(0e064323) SHA1(a11175516892beb862c7cc1e186034ef1b55ee8f))
ROM_LOAD("7.u7", 0x100000, 0x080000, CRC(7db6b7be) SHA1(a7653c04f5321fd83062425a492c7ed0a4f1fdb0))
@ -256,7 +360,35 @@ ROM_START( snes4sln )
ROM_LOAD("5.bin", 0x0000, 0x8000, CRC(af8a64e3) SHA1(f13187d213fe7c2a0edcb88d4e828bd24112e812))
ROM_END
ROM_START( fatfurspb )
ROM_REGION( 0x400000, "user3", 0 )
ROM_LOAD("1.u14", 0x000000, 0x100000, CRC(7cb9192c) SHA1(0247e303902e86eaa9443f2a39d352430df5f46f))
ROM_LOAD("2.u15", 0x100000, 0x100000, CRC(440e3017) SHA1(7d1a2077032c761676bff7f841ab1fc669d322fa))
ROM_LOAD("3.u16", 0x200000, 0x100000, CRC(dbbe10de) SHA1(27c590bff5a762a2528d0819b7544914ab6cae7c))
ROM_LOAD("4.u17", 0x300000, 0x100000, CRC(a356e60c) SHA1(c403eff4e7c7deefed68a34a0dbeefadac8c7a0e))
ROM_REGION(0x1000, "mcu", 0)
ROM_LOAD("d87c51.u9", 0x0000, 0x1000, NO_DUMP)
ROM_END
void snesb51_state::init_fatfurspb()
{
uint8_t *rom = memregion("user3")->base();
for (uint32_t i = 0; i < 0x400000; i++)
{
rom[i] = bitswap<8>(rom[i], 5, 0, 6, 1, 7, 4, 3, 2);
}
init_snes_hirom();
}
} // anonymous namespace
// YEAR NAME PARENT MACHINE INPUT CLASS INIT ROT COMPANY FULLNAME FLAGS
GAME( 199?, mk3snes, 0, mk3snes, mk3snes, snesb51_state, empty_init, ROT0, "bootleg", "Mortal Kombat 3 (SNES bootleg)", MACHINE_IS_SKELETON )
GAME( 199?, mk3snes, 0, mk3snes, mk3snes, snesb51_state, init_snes_hirom, ROT0, "bootleg", "Mortal Kombat 3 (SNES bootleg)", MACHINE_IS_SKELETON )
GAME( 1993, snes4sl, 0, snes4sl, snes4sl, snesb51_state, empty_init, ROT0, "bootleg", "SNES 4 Slot arcade switcher", MACHINE_IS_SKELETON )
GAME( 1994, snes4sln, 0, snes4sln, snes4sl, snesb51_state, empty_init, ROT0, "bootleg", "SNES 4 Slot arcade switcher (NBA Jam)", MACHINE_IS_SKELETON )
GAME( 199?, fatfurspb, 0, mk3snes, mk3snes, snesb51_state, init_fatfurspb, ROT0, "bootleg", "Fatal Fury Special (SNES bootleg)", MACHINE_IS_SKELETON )

88
src/mame/includes/megazone.h
View File

@ -1,88 +0,0 @@
// license:BSD-3-Clause
// copyright-holders:Chris Hardy
/*************************************************************************
Megazone
*************************************************************************/
#ifndef MAME_INCLUDES_MEGAZONE_H
#define MAME_INCLUDES_MEGAZONE_H
#pragma once
#include "cpu/mcs48/mcs48.h"
#include "sound/flt_rc.h"
#include "emupal.h"
class megazone_state : public driver_device
{
public:
megazone_state(const machine_config &mconfig, device_type type, const char *tag) :
driver_device(mconfig, type, tag),
m_scrolly(*this, "scrolly"),
m_scrollx(*this, "scrollx"),
m_videoram(*this, "videoram"),
m_videoram2(*this, "videoram2"),
m_colorram(*this, "colorram"),
m_colorram2(*this, "colorram2"),
m_spriteram(*this, "spriteram"),
m_share1(*this, "share1"),
m_maincpu(*this, "maincpu"),
m_audiocpu(*this, "audiocpu"),
m_daccpu(*this, "daccpu"),
m_gfxdecode(*this, "gfxdecode"),
m_palette(*this, "palette"),
m_filter(*this, "filter.0.%u", 0U)
{ }
void megazone(machine_config &config);
private:
/* memory pointers */
required_shared_ptr<uint8_t> m_scrolly;
required_shared_ptr<uint8_t> m_scrollx;
required_shared_ptr<uint8_t> m_videoram;
required_shared_ptr<uint8_t> m_videoram2;
required_shared_ptr<uint8_t> m_colorram;
required_shared_ptr<uint8_t> m_colorram2;
required_shared_ptr<uint8_t> m_spriteram;
required_shared_ptr<uint8_t> m_share1;
/* video-related */
std::unique_ptr<bitmap_ind16> m_tmpbitmap;
int m_flipscreen;
/* misc */
int m_i8039_status;
/* devices */
required_device<cpu_device> m_maincpu;
required_device<cpu_device> m_audiocpu;
required_device<i8039_device> m_daccpu;
required_device<gfxdecode_device> m_gfxdecode;
required_device<palette_device> m_palette;
required_device_array<filter_rc_device, 3> m_filter;
uint8_t m_irq_mask;
void megazone_i8039_irq_w(uint8_t data);
void i8039_irqen_and_status_w(uint8_t data);
DECLARE_WRITE_LINE_MEMBER(coin_counter_1_w);
DECLARE_WRITE_LINE_MEMBER(coin_counter_2_w);
DECLARE_WRITE_LINE_MEMBER(irq_mask_w);
DECLARE_WRITE_LINE_MEMBER(flipscreen_w);
uint8_t megazone_port_a_r();
void megazone_port_b_w(uint8_t data);
virtual void machine_start() override;
virtual void machine_reset() override;
virtual void video_start() override;
void megazone_palette(palette_device &palette) const;
uint32_t screen_update_megazone(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
DECLARE_WRITE_LINE_MEMBER(vblank_irq);
void megazone_i8039_io_map(address_map &map);
void megazone_i8039_map(address_map &map);
void megazone_map(address_map &map);
void megazone_sound_io_map(address_map &map);
void megazone_sound_map(address_map &map);
};
#endif // MAME_INCLUDES_MEGAZONE_H

2
src/mame/mame.lst
View File

@ -39022,7 +39022,6 @@ denseib // bootleg
denseib2 // bootleg
endless // bootleg
endlessa // bootleg
fatfurspb // bootleg
ffight2b // bootleg
ffight3b // bootleg
iron // bootleg
@ -39035,6 +39034,7 @@ venom // bootleg
wldgunsb // bootleg
@source:snesb51.cpp
fatfurspb
mk3snes
snes4sl
snes4sln

222
src/mame/video/megazone.cpp
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@ -1,222 +0,0 @@
// license:BSD-3-Clause
// copyright-holders:Chris Hardy
/***************************************************************************
video.c
Functions to emulate the video hardware of the machine.
***************************************************************************/
#include "emu.h"
#include "video/resnet.h"
#include "includes/megazone.h"
/***************************************************************************
Based on driver from MAME 0.55
Changes by Martin M. (pfloyd@gmx.net) 14.10.2001:
- Added support for screen flip in cocktail mode (tricky!) */
/***************************************************************************
Convert the color PROMs into a more useable format.
Megazone has one 32x8 palette PROM and two 256x4 lookup table PROMs
(one for characters, one for sprites).
The palette PROM is connected to the RGB output this way:
bit 7 -- 220 ohm resistor -- BLUE
-- 470 ohm resistor -- BLUE
-- 220 ohm resistor -- GREEN
-- 470 ohm resistor -- GREEN
-- 1 kohm resistor -- GREEN
-- 220 ohm resistor -- RED
-- 470 ohm resistor -- RED
bit 0 -- 1 kohm resistor -- RED
***************************************************************************/
void megazone_state::megazone_palette(palette_device &palette) const
{
const uint8_t *color_prom = memregion("proms")->base();
static constexpr int resistances_rg[3] = { 1000, 470, 220 };
static constexpr int resistances_b [2] = { 470, 220 };
// compute the color output resistor weights
double rweights[3], gweights[3], bweights[2];
compute_resistor_weights(0, 255, -1.0,
3, &resistances_rg[0], rweights, 1000, 0,
3, &resistances_rg[0], gweights, 1000, 0,
2, &resistances_b[0], bweights, 1000, 0);
// create a lookup table for the palette
for (int i = 0; i < 0x20; i++)
{
int bit0, bit1, bit2;
// red component
bit0 = BIT(color_prom[i], 0);
bit1 = BIT(color_prom[i], 1);
bit2 = BIT(color_prom[i], 2);
int const r = combine_weights(rweights, bit0, bit1, bit2);
// green component
bit0 = BIT(color_prom[i], 3);
bit1 = BIT(color_prom[i], 4);
bit2 = BIT(color_prom[i], 5);
int const g = combine_weights(gweights, bit0, bit1, bit2);
// blue component
bit0 = BIT(color_prom[i], 6);
bit1 = BIT(color_prom[i], 7);
int const b = combine_weights(bweights, bit0, bit1);
palette.set_indirect_color(i, rgb_t(r, g, b));
}
// color_prom now points to the beginning of the lookup table
color_prom += 0x20;
// sprites
for (int i = 0; i < 0x100; i++)
{
uint8_t const ctabentry = color_prom[i] & 0x0f;
palette.set_pen_indirect(i, ctabentry);
}
// characters
for (int i = 0x100; i < 0x200; i++)
{
uint8_t const ctabentry = (color_prom[i] & 0x0f) | 0x10;
palette.set_pen_indirect(i, ctabentry);
}
}
WRITE_LINE_MEMBER(megazone_state::flipscreen_w)
{
m_flipscreen = state;
}
void megazone_state::video_start()
{
m_tmpbitmap = std::make_unique<bitmap_ind16>(256, 256);
save_item(NAME(*m_tmpbitmap));
}
uint32_t megazone_state::screen_update_megazone(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
{
int offs;
int x, y;
/* for every character in the Video RAM */
for (offs = m_videoram.bytes() - 1; offs >= 0; offs--)
{
int sx, sy, flipx, flipy;
sx = offs % 32;
sy = offs / 32;
flipx = m_colorram[offs] & (1 << 6);
flipy = m_colorram[offs] & (1 << 5);
if (m_flipscreen)
{
sx = 31 - sx;
sy = 31 - sy;
flipx = !flipx;
flipy = !flipy;
}
m_gfxdecode->gfx(1)->opaque(*m_tmpbitmap,m_tmpbitmap->cliprect(),
((int)m_videoram[offs]) + ((m_colorram[offs] & (1 << 7) ? 256 : 0) ),
(m_colorram[offs] & 0x0f) + 0x10,
flipx,flipy,
8*sx,8*sy);
}
/* copy the temporary bitmap to the screen */
{
int scrollx;
int scrolly;
if (m_flipscreen)
{
scrollx = *m_scrolly;
scrolly = *m_scrollx;
}
else
{
scrollx = - *m_scrolly + 4 * 8; // leave space for credit&score overlay
scrolly = - *m_scrollx;
}
copyscrollbitmap(bitmap, *m_tmpbitmap, 1, &scrollx, 1, &scrolly, cliprect);
}
/* Draw the sprites. */
{
uint8_t *spriteram = m_spriteram;
for (offs = m_spriteram.bytes() - 4; offs >= 0; offs -= 4)
{
int sx = spriteram[offs + 3];
int sy = 255 - ((spriteram[offs + 1] + 16) & 0xff);
int color = spriteram[offs + 0] & 0x0f;
int flipx = ~spriteram[offs + 0] & 0x40;
int flipy = spriteram[offs + 0] & 0x80;
if (m_flipscreen)
{
sx = sx - 11;
sy = sy + 2;
}
else
sx = sx + 32;
m_gfxdecode->gfx(0)->transmask(bitmap,cliprect,
spriteram[offs + 2],
color,
flipx,flipy,
sx,sy,
m_palette->transpen_mask(*m_gfxdecode->gfx(0), color, 0));
}
}
for (y = 0; y < 32;y++)
{
offs = y * 32;
for (x = 0; x < 6; x++)
{
int sx, sy, flipx, flipy;
sx = x;
sy = y;
flipx = m_colorram2[offs] & (1 << 6);
flipy = m_colorram2[offs] & (1 << 5);
if (m_flipscreen)
{
sx = 35 - sx;
sy = 31 - sy;
flipx = !flipx;
flipy = !flipy;
}
m_gfxdecode->gfx(1)->opaque(bitmap,cliprect,
((int)m_videoram2[offs]) + ((m_colorram2[offs] & (1 << 7) ? 256 : 0) ),
(m_colorram2[offs] & 0x0f) + 0x10,
flipx,flipy,
8*sx,8*sy);
offs++;
}
}
return 0;
}