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jongkyo.cpp
593 lines (505 loc) · 19.4 KB
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jongkyo.cpp
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// license:BSD-3-Clause
// copyright-holders:David Haywood, Nicola Salmoria
/**********************************************************
Jongkyo
(c)1985 Kiwako
834-5558 JONGKYO
C2-00173
CPU: SEGA Custom 315-5084 (Z80)
Sound: AY-3-8910
OSC: 18.432MHz
ROMs:
EPR-6258 (2764)
EPR-6259 (2764)
EPR-6260 (2764)
EPR-6261 (2764)
EPR-6262 (2732)
PR-6263.6J (82S123N)
PR-6264.0H (82S123N)
PR-6265.0M (82S129N)
PR-6266.0B (82S129N)
**********************************************************/
#include "emu.h"
#include "machine/segacrpt_device.h"
#include "cpu/z80/z80.h"
#include "sound/ay8910.h"
#include "emupal.h"
#include "screen.h"
#include "speaker.h"
namespace {
class jongkyo_state : public driver_device
{
public:
jongkyo_state(const machine_config &mconfig, device_type type, const char *tag) :
driver_device(mconfig, type, tag),
m_maincpu(*this, "maincpu"),
m_bank1(*this, "bank1"),
m_bank1d(*this, "bank1d"),
m_bank0d(*this, "bank0d"),
m_mainregion(*this, "maincpu"),
m_videoram(*this, "videoram"),
m_credit_clear(*this, "CR_CLEAR"),
m_coin_port(*this, "COINS"),
m_pl1_inputs(*this, "PL1_%u", 1U),
m_pl2_inputs(*this, "PL2_%u", 1U)
{ }
void jongkyo(machine_config &config);
void init_jongkyo();
protected:
virtual void machine_start() override;
virtual void machine_reset() override;
private:
// misc
uint8_t m_rom_bank;
uint8_t m_key_rows;
uint8_t m_flip_screen;
// memory pointers
required_device<segacrpt_z80_device> m_maincpu;
required_memory_bank m_bank1;
required_memory_bank m_bank1d;
required_memory_bank m_bank0d;
required_region_ptr<uint8_t> m_mainregion;
required_shared_ptr<uint8_t> m_videoram;
required_ioport m_credit_clear;
required_ioport m_coin_port;
required_ioport_array<6> m_pl1_inputs;
required_ioport_array<6> m_pl2_inputs;
uint8_t m_videoram2[0x4000];
std::unique_ptr<uint8_t[]> m_opcodes;
void bank_select_w(offs_t offset, uint8_t data);
void mux_w(uint8_t data);
void coin_counter_w(uint8_t data);
void videoram2_w(offs_t offset, uint8_t data);
void unknown_w(offs_t offset, uint8_t data);
uint8_t input_1p_r();
uint8_t input_2p_r();
void palette(palette_device &palette) const;
uint32_t screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
void decrypted_opcodes_map(address_map &map);
void memmap(address_map &map);
void portmap(address_map &map);
};
/*************************************
*
* Video emulation
*
*************************************/
uint32_t jongkyo_state::screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
{
for (int y = 0; y < 256; ++y)
{
for (int x = 0; x < 256; x += 4)
{
uint8_t data3;
// data3 = m_videoram2[x/4 + y*64]; // wrong
// good mahjong tiles
data3 = 0x0f; // we're missing 2 bits.. there must be another piece of video ram somewhere or we can't use all the colours (6bpp).. banked somehow?
// good girl tiles
// data3 = 0x00; // we're missing 2 bits.. there must be another piece of video ram somewhere or we can't use all the colours (6bpp).. banked somehow?
uint8_t data1 = m_videoram[0x4000 + x / 4 + y * 64];
uint8_t data2 = m_videoram[x / 4 + y * 64];
for (int b = 0; b < 4; ++b)
{
int const res_x = m_flip_screen ? 255 - (x + b) : (x + b);
int const res_y = m_flip_screen ? 255 - y : y;
bitmap.pix(res_y, res_x) = ((data2 & 0x01)) + ((data2 & 0x10) >> 3) +
((data1 & 0x01) << 2) + ((data1 & 0x10) >> 1) +
((data3 & 0x01) << 4) + ((data3 & 0x10) << 1);
data1 >>= 1;
data2 >>= 1;
data3 >>= 1;
}
}
}
return 0;
}
/*************************************
*
* Memory handlers
*
*************************************/
void jongkyo_state::bank_select_w(offs_t offset, uint8_t data)
{
int mask = 1 << (offset >> 1);
m_rom_bank &= ~mask;
if (offset & 1)
m_rom_bank |= mask;
m_bank1->set_entry(m_rom_bank);
m_bank1d->set_entry(m_rom_bank);
}
void jongkyo_state::mux_w(uint8_t data)
{
m_key_rows = data;
// printf("%02x\n", m_key_rows);
}
void jongkyo_state::coin_counter_w(uint8_t data)
{
// bit 0 = hopper out?
// bit 1 = coin counter
machine().bookkeeping().coin_counter_w(0, data & 2);
// bit 2 always set?
m_flip_screen = (data & 4) >> 2;
}
uint8_t jongkyo_state::input_1p_r()
{
uint8_t keys = 0x3f;
for (unsigned i = 0; m_pl1_inputs.size() > i; ++i)
{
if (!BIT(m_key_rows, i))
keys &= m_pl1_inputs[i]->read();
}
return keys | m_credit_clear->read();
}
uint8_t jongkyo_state::input_2p_r()
{
uint8_t keys = 0x3f;
for (unsigned i = 0; m_pl2_inputs.size() > i; ++i)
{
if (!BIT(m_key_rows, i))
keys &= m_pl2_inputs[i]->read();
}
return keys | m_coin_port->read();
}
void jongkyo_state::videoram2_w(offs_t offset, uint8_t data)
{
m_videoram2[offset] = data;
}
// TODO: this actually looks some kind of memory space protection device, probably tied internally in the 315-5084 (unique for this game) within $4x
// $4d - $4e HL (source?)
// $46 trigger strobe?
// $40 reads (val & 0xf) != 0xa, writes 0x1 to RAM $7530 (buffer?), 0 otherwise
// $4c - $4f DE (VRAM bank destination?)
// $46 writes 0 or 1 depending on $7530 above
void jongkyo_state::unknown_w(offs_t offset, uint8_t data)
{
switch (offset)
{
case 0: // different values
break;
case 1: // set to 0 at the boot and set to 1 continuously
break;
case 2: // only set to 0 at the boot
break;
case 3: // not used
break;
case 4: // set to 1 before the girl drawing (probably is the palette selector, not sure how to restore the old palette)
break;
case 5: // only set to 0 at the boot
break;
case 6: // different values
break;
case 7: // 07 and 08 are like a counter: every write in 08 is an incremented value (from 00 to ff)
break;
case 8: // when this value is 0xff the next value is 00 and port 07 is incremented (from 00 to ff)
break;
case 9: // different values
break;
}
}
/*************************************
*
* Address maps
*
*************************************/
void jongkyo_state::memmap(address_map &map)
{
map(0x0000, 0x3fff).rom().w(FUNC(jongkyo_state::videoram2_w)); // wrong, this doesn't seem to be video ram on write..
map(0x4000, 0x6bff).rom(); // fixed rom
map(0x6c00, 0x6fff).bankr(m_bank1); // banked (8 banks)
map(0x7000, 0x77ff).ram();
map(0x8000, 0xffff).ram().share(m_videoram);
}
void jongkyo_state::decrypted_opcodes_map(address_map &map)
{
map(0x0000, 0x6bff).bankr(m_bank0d);
map(0x6c00, 0x6fff).bankr(m_bank1d);
}
void jongkyo_state::portmap(address_map &map)
{
map.global_mask(0xff);
// R 01 keyboard
map(0x01, 0x01).r("aysnd", FUNC(ay8910_device::data_r));
map(0x02, 0x03).w("aysnd", FUNC(ay8910_device::data_address_w));
map(0x10, 0x10).portr("DSW").w(FUNC(jongkyo_state::coin_counter_w));
map(0x11, 0x11).portr("IN0").w(FUNC(jongkyo_state::mux_w));
// W 11 select keyboard row (fe fd fb f7)
map(0x40, 0x40).nopr(); // unknown, if (A & 0xf) == 0x0a then a bit 0 write to 0x7520 doesn't occur
map(0x40, 0x45).w(FUNC(jongkyo_state::bank_select_w));
map(0x46, 0x4f).w(FUNC(jongkyo_state::unknown_w));
}
/*************************************
*
* Input ports
*
-------------------------------------------------------------
Jongkyo ?1985 Kiwako
DIPSW | |1 2 3 4 |5 |6 |7 |8
-------------------------------------------------------------
Payout rate |50% |on on on on | | | |
|53% |off on on on | | | |
|56% |on off on on | | | |
|59% |off off on on | | | |
|62% |on on off on | | | |
|65% |off on off on | | | |
|68% |on off off on | | | |
|71% |off off off on | | | |
|75% |on on on off | | | |
|78% |off on on off | | | |
|81% |on off on off | | | |
|84% |off off on off | | | |
|87% |on on off off | | | |
|90% |off on off off | | | |
|93% |on off off off | | | |
|96% |off off off off | | | |
-------------------------------------------------------------
Start chance |Yes | |on | | |
|No | |off | | |
-------------------------------------------------------------
Bet up |Yes | | |on | |
|No | | |off | |
-------------------------------------------------------------
Last chance |5 | | | |on |
|1 | | | |off |
-------------------------------------------------------------
Bonus credit |50 | | | | |on
|10 | | | | |off
-------------------------------------------------------------
*************************************/
static INPUT_PORTS_START( jongkyo )
PORT_START("CR_CLEAR")
PORT_DIPNAME( 0x40, 0x40, "Credit Clear-1" ) //button
PORT_DIPSETTING( 0x40, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
PORT_DIPNAME( 0x80, 0x80, "Credit Clear-2" ) //button
PORT_DIPSETTING( 0x80, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
PORT_START("COINS")
PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_COIN1 ) //player-1 side
PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_COIN2 ) //player-2 side
PORT_START("PL1_1")
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_MAHJONG_A )
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_MAHJONG_E )
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_MAHJONG_I )
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_MAHJONG_M )
PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_MAHJONG_KAN )
PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_START1 )
PORT_START("PL1_2")
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_MAHJONG_B )
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_MAHJONG_F )
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_MAHJONG_J )
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_MAHJONG_N )
PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_MAHJONG_REACH )
PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_MAHJONG_BET ) PORT_CODE(KEYCODE_3) //rate button
PORT_START("PL1_3")
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_MAHJONG_C )
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_MAHJONG_G )
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_MAHJONG_K )
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_MAHJONG_CHI )
PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_MAHJONG_RON )
PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNUSED ) //another D button
PORT_START("PL1_4")
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_MAHJONG_D )
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_MAHJONG_H )
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_MAHJONG_L )
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_MAHJONG_PON )
PORT_BIT( 0x30, IP_ACTIVE_LOW, IPT_UNUSED ) //another opt 1 button
PORT_START("PL1_5")
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_MAHJONG_LAST_CHANCE )
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_MAHJONG_SCORE ) //PORT_NAME("1P Option 1")
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_MAHJONG_DOUBLE_UP ) //PORT_NAME("1P Option 2")
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_MAHJONG_FLIP_FLOP )
PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_MAHJONG_BIG ) //PORT_NAME("1P Option 3")
PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_MAHJONG_SMALL ) //PORT_NAME("1P Option 4")
PORT_START("PL1_6")
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_OTHER ) PORT_NAME("1P Pass") //???
PORT_BIT( 0x3c, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_START("PL2_1")
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_MAHJONG_A ) PORT_PLAYER(2)
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_MAHJONG_E ) PORT_PLAYER(2)
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_MAHJONG_I ) PORT_PLAYER(2)
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_MAHJONG_M ) PORT_PLAYER(2)
PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_MAHJONG_KAN ) PORT_PLAYER(2)
PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_START2 )
PORT_START("PL2_2")
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_MAHJONG_B ) PORT_PLAYER(2)
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_MAHJONG_F ) PORT_PLAYER(2)
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_MAHJONG_J ) PORT_PLAYER(2)
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_MAHJONG_N ) PORT_PLAYER(2)
PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_MAHJONG_REACH ) PORT_PLAYER(2)
PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_MAHJONG_BET ) PORT_CODE(KEYCODE_4) PORT_PLAYER(2) //rate button
PORT_START("PL2_3")
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_MAHJONG_C ) PORT_PLAYER(2)
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_MAHJONG_G ) PORT_PLAYER(2)
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_MAHJONG_K ) PORT_PLAYER(2)
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_MAHJONG_CHI ) PORT_PLAYER(2)
PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_MAHJONG_RON ) PORT_PLAYER(2)
PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNUSED ) //another D button
PORT_START("PL2_4")
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_MAHJONG_D ) PORT_PLAYER(2)
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_MAHJONG_H ) PORT_PLAYER(2)
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_MAHJONG_L ) PORT_PLAYER(2)
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_MAHJONG_PON ) PORT_PLAYER(2)
PORT_BIT( 0x30, IP_ACTIVE_LOW, IPT_UNUSED ) //another opt 1 button
PORT_START("PL2_5")
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_MAHJONG_LAST_CHANCE ) PORT_PLAYER(2)
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_MAHJONG_SCORE ) PORT_PLAYER(2) //PORT_NAME("2P Option 1")
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_MAHJONG_DOUBLE_UP ) PORT_PLAYER(2) //PORT_NAME("2P Option 2")
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_MAHJONG_FLIP_FLOP ) PORT_PLAYER(2)
PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_MAHJONG_BIG ) PORT_PLAYER(2) //PORT_NAME("2P Option 3")
PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_MAHJONG_SMALL ) PORT_PLAYER(2) //PORT_NAME("2P Option 4")
PORT_START("PL2_6")
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_OTHER ) PORT_NAME("2P Pass") PORT_PLAYER(2) //???
PORT_BIT( 0x3c, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_START("IN0")
PORT_DIPNAME( 0x01, 0x00, "Note" )
PORT_DIPSETTING( 0x00, DEF_STR( No ) )
PORT_DIPSETTING( 0x01, DEF_STR( Yes ) )
PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_MEMORY_RESET )
PORT_DIPNAME( 0x04, 0x00, "Analyzer" )
PORT_DIPSETTING( 0x00, DEF_STR( No ) )
PORT_DIPSETTING( 0x04, DEF_STR( Yes ) )
PORT_SERVICE( 0x08, IP_ACTIVE_HIGH )
PORT_BIT( 0xf0, IP_ACTIVE_LOW, IPT_UNKNOWN )
PORT_START("DSW")
PORT_DIPNAME( 0x0f, 0x0f, "Payout Rate" ) PORT_DIPLOCATION("SW:1,2,3,4")
PORT_DIPSETTING( 0x00, "50%" )
PORT_DIPSETTING( 0x01, "53%" )
PORT_DIPSETTING( 0x02, "56%" )
PORT_DIPSETTING( 0x03, "59%" )
PORT_DIPSETTING( 0x04, "62%" )
PORT_DIPSETTING( 0x05, "65%" )
PORT_DIPSETTING( 0x06, "68%" )
PORT_DIPSETTING( 0x07, "71%" )
PORT_DIPSETTING( 0x08, "75%" )
PORT_DIPSETTING( 0x09, "78%" )
PORT_DIPSETTING( 0x0a, "81%" )
PORT_DIPSETTING( 0x0b, "84$" )
PORT_DIPSETTING( 0x0c, "87%" )
PORT_DIPSETTING( 0x0d, "90%" )
PORT_DIPSETTING( 0x0e, "93%" )
PORT_DIPSETTING( 0x0f, "96%" )
PORT_DIPNAME( 0x10, 0x10, "Start Chance" ) PORT_DIPLOCATION("SW:5")
PORT_DIPSETTING( 0x10, DEF_STR( No ) )
PORT_DIPSETTING( 0x00, DEF_STR( Yes ) )
PORT_DIPNAME( 0x20, 0x20, "Bet Up" ) PORT_DIPLOCATION("SW:6")
PORT_DIPSETTING( 0x20, DEF_STR( No ) )
PORT_DIPSETTING( 0x00, DEF_STR( Yes ) )
PORT_DIPNAME( 0x40, 0x40, "Last Chance" ) PORT_DIPLOCATION("SW:7")
PORT_DIPSETTING( 0x40, "1" )
PORT_DIPSETTING( 0x00, "5" )
PORT_DIPNAME( 0x80, 0x80, "Bonus Credit" ) PORT_DIPLOCATION("SW:8")
PORT_DIPSETTING( 0x80, "10" )
PORT_DIPSETTING( 0x00, "50" )
INPUT_PORTS_END
/*************************************
*
* Palette initialization and
* graphics definitions
*
*************************************/
void jongkyo_state::palette(palette_device &palette) const
{
uint8_t const *const proms = memregion("proms")->base();
for (int i = 0; i < 0x40; i++)
{
int const data = proms[i];
int const r = pal3bit((data >> 0) & 0x07);
int const g = pal3bit((data >> 3) & 0x07);
int const b = pal2bit((data >> 6) & 0x03);
palette.set_pen_color(i, r, g, b);
}
}
/*************************************
*
* Machine driver
*
*************************************/
void jongkyo_state::machine_start()
{
save_item(NAME(m_videoram2));
save_item(NAME(m_rom_bank));
save_item(NAME(m_key_rows));
save_item(NAME(m_flip_screen));
}
void jongkyo_state::machine_reset()
{
m_rom_bank = 0;
m_key_rows = 0xff;
m_flip_screen = 1;
}
void jongkyo_state::jongkyo(machine_config &config)
{
// basic machine hardware
sega_315_5084_device &maincpu(SEGA_315_5084(config, m_maincpu, 18.432_MHz_XTAL / 4));
maincpu.set_addrmap(AS_PROGRAM, &jongkyo_state::memmap);
maincpu.set_addrmap(AS_IO, &jongkyo_state::portmap);
maincpu.set_addrmap(AS_OPCODES, &jongkyo_state::decrypted_opcodes_map);
maincpu.set_vblank_int("screen", FUNC(jongkyo_state::irq0_line_hold));
maincpu.set_size(0x6c00);
maincpu.set_numbanks(8);
maincpu.set_banksize(0x400);
// video hardware
screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER));
screen.set_refresh_hz(60);
screen.set_vblank_time(ATTOSECONDS_IN_USEC(0));
screen.set_size(256, 256);
screen.set_visarea(0, 256-1, 8, 256-8-1);
screen.set_screen_update(FUNC(jongkyo_state::screen_update));
screen.set_palette("palette");
PALETTE(config, "palette", FUNC(jongkyo_state::palette), 0x100);
SPEAKER(config, "mono").front_center();
ay8910_device &aysnd(AY8910(config, "aysnd", 18.432_MHz_XTAL / 8));
aysnd.port_a_read_callback().set(FUNC(jongkyo_state::input_1p_r));
aysnd.port_b_read_callback().set(FUNC(jongkyo_state::input_2p_r));
aysnd.add_route(ALL_OUTPUTS, "mono", 0.33);
}
/*************************************
*
* ROM definition
*
*************************************/
ROM_START( jongkyo )
ROM_REGION( 0x8c00, "maincpu", 0 )
ROM_LOAD( "epr-6258", 0x00000, 0x02000, CRC(fb8b7bcc) SHA1(8ece7c2c82c237b4b51829d412b2109b96ccd0e7) )
ROM_LOAD( "epr-6259", 0x02000, 0x02000, CRC(e46cde5d) SHA1(1cbe1677cfb3fa9f76ad90d5b1446ce9cefee6b7) )
ROM_LOAD( "epr-6260", 0x04000, 0x02000, CRC(369a5365) SHA1(037a2971a59ab339595b333cbdfd4cbb104de2be) )
ROM_LOAD( "epr-6262", 0x06000, 0x00c00, CRC(ecf50f34) SHA1(ecfa1a9360d8fbcbed457d46e53bae77f6d78c1d) )
ROM_IGNORE(0x400)
ROM_LOAD( "epr-6261", 0x06c00, 0x02000, CRC(9c475ae1) SHA1(b993c2636dafed9f80fa87e71921c3c85c039e45) ) // banked at 6c00-6fff
ROM_REGION( 0x300, "proms", 0 )
// colours
ROM_LOAD( "pr-6263.6j", 0x00000, 0x00020, CRC(468134d9) SHA1(bb633929df17e448882ee80613fc1dfac3c35d7a) )
ROM_LOAD( "pr-6264.0h", 0x00020, 0x00020, CRC(46014727) SHA1(eec451f292ee319fa6bfbbf223aaa12b231692c1) )
// unknown purpose
ROM_LOAD( "pr-6265.0m", 0x00100, 0x00100, CRC(f09d3c4c) SHA1(a9e752d75e7f3ebd05add4ccf2f9f15d8f9a8d15) )
ROM_LOAD( "pr-6266.0b", 0x00200, 0x00100, CRC(86aeafd1) SHA1(c4e5c56ce5baf2be3962675ae333e28bd8108a00) )
ROM_END
/*************************************
*
* Driver initialization
*
*************************************/
void jongkyo_state::init_jongkyo()
{
// first of all, do a simple bitswap
for (int i = 0x6000; i < 0x8c00; ++i)
{
m_mainregion[i] = bitswap<8>(m_mainregion[i], 7,6,5,3,4,2,1,0);
}
m_opcodes = std::make_unique<uint8_t[]>(0x6c00 + 0x400 * 8);
m_maincpu->set_region_p(m_mainregion);
m_maincpu->set_decrypted_p(m_opcodes.get());
// then do the standard Sega decryption
m_bank1->configure_entries(0, 8, m_mainregion + 0x6c00, 0x400);
m_bank1d->configure_entries(0, 8, m_opcodes.get() + 0x6c00, 0x400);
m_bank0d->set_base(m_opcodes.get());
}
} // Anonymous namespace
/*************************************
*
* Game driver
*
*************************************/
GAME( 1985, jongkyo, 0, jongkyo, jongkyo, jongkyo_state, init_jongkyo, ROT0, "Kiwako", "Jongkyo", MACHINE_IMPERFECT_COLORS | MACHINE_UNEMULATED_PROTECTION | MACHINE_SUPPORTS_SAVE )