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|
// license:BSD-3-Clause
// copyright-holders:Miodrag Milanovic, MetalliC
#include "emu.h"
#include "includes/spec128.h"
#include "machine/beta.h"
#include "sound/ay8910.h"
#include "screen.h"
#include "softlist_dev.h"
#include "speaker.h"
#include "formats/tzx_cas.h"
namespace {
class pentagon_state : public spectrum_128_state
{
public:
pentagon_state(const machine_config &mconfig, device_type type, const char *tag)
: spectrum_128_state(mconfig, type, tag)
, m_bank1(*this, "bank1")
, m_bank2(*this, "bank2")
, m_bank3(*this, "bank3")
, m_bank4(*this, "bank4")
, m_beta(*this, BETA_DISK_TAG)
{ }
void pent1024(machine_config &config);
void pentagon(machine_config &config);
protected:
virtual void machine_start() override;
virtual void machine_reset() override;
virtual void video_start() override;
private:
rectangle get_screen_area() override;
void pentagon_port_7ffd_w(uint8_t data);
void pentagon_scr_w(offs_t offset, uint8_t data);
void pentagon_scr2_w(offs_t offset, uint8_t data);
uint8_t beta_neutral_r(offs_t offset);
uint8_t beta_enable_r(offs_t offset);
uint8_t beta_disable_r(offs_t offset);
INTERRUPT_GEN_MEMBER(pentagon_interrupt);
void pentagon_io(address_map &map);
void pentagon_mem(address_map &map);
void pentagon_switch(address_map &map);
void pentagon_update_memory();
required_memory_bank m_bank1;
required_memory_bank m_bank2;
required_memory_bank m_bank3;
required_memory_bank m_bank4;
required_device<beta_disk_device> m_beta;
address_space *m_program;
uint8_t *m_p_ram;
uint16_t m_rom_selection;
};
void pentagon_state::pentagon_update_memory()
{
uint8_t *messram = m_ram->pointer();
m_screen_location = messram + ((m_port_7ffd_data & 8) ? (7<<14) : (5<<14));
if (strcmp(machine().system().name, "pent1024") != 0)
m_bank4->set_base(messram + ((m_port_7ffd_data & 0x07) * 0x4000));
else
// currently 512Kb ram expansion supported
m_bank4->set_base(messram + (((m_port_7ffd_data & 0x07) | ((m_port_7ffd_data & 0xc0) >> 3)) * 0x4000));
if (m_beta->started() && m_beta->is_active() && !( m_port_7ffd_data & 0x10 ) )
{
/* GLUK */
if (strcmp(machine().system().name, "pent1024")==0)
m_rom_selection = 2;
else
m_rom_selection = BIT(m_port_7ffd_data, 4);
}
else
/* ROM switching */
m_rom_selection = BIT(m_port_7ffd_data, 4);
/* rom 0 is 128K rom, rom 1 is 48 BASIC */
m_bank1->set_base(&m_p_ram[0x10000 + (m_rom_selection<<14)]);
}
void pentagon_state::pentagon_port_7ffd_w(uint8_t data)
{
/* disable paging */
if (m_port_7ffd_data & 0x20)
return;
if ((m_port_7ffd_data ^ data) & 0x08)
m_screen->update_now();
/* store new state */
m_port_7ffd_data = data;
/* update memory */
pentagon_update_memory();
}
void pentagon_state::pentagon_scr_w(offs_t offset, uint8_t data)
{
m_screen->update_now();
*((uint8_t*)m_bank2->base() + offset) = data;
}
void pentagon_state::pentagon_scr2_w(offs_t offset, uint8_t data)
{
if ((m_port_7ffd_data & 0x0f) == 0x0f || (m_port_7ffd_data & 0x0f) == 5)
m_screen->update_now();
*((uint8_t*)m_bank4->base() + offset) = data;
}
rectangle pentagon_state::get_screen_area()
{
return rectangle{136, 136 + 255, 80, 80 + 191};
}
INTERRUPT_GEN_MEMBER(pentagon_state::pentagon_interrupt)
{
m_irq_on_timer->adjust(m_screen->time_until_pos(0) + /*???*/ m_maincpu->clocks_to_attotime(3));
}
uint8_t pentagon_state::beta_neutral_r(offs_t offset)
{
return m_program->read_byte(offset);
}
uint8_t pentagon_state::beta_enable_r(offs_t offset)
{
if (!(machine().side_effects_disabled())) {
if (m_rom_selection == 1) {
m_rom_selection = 3;
if (m_beta->started()) {
m_beta->enable();
m_bank1->set_base(memregion("beta:beta")->base());
}
}
}
return m_program->read_byte(offset + 0x3d00);
}
uint8_t pentagon_state::beta_disable_r(offs_t offset)
{
if (!(machine().side_effects_disabled())) {
if (m_beta->started() && m_beta->is_active()) {
m_rom_selection = BIT(m_port_7ffd_data, 4);
m_beta->disable();
m_bank1->set_base(&m_p_ram[0x10000 + (m_rom_selection << 14)]);
}
}
return m_program->read_byte(offset + 0x4000);
}
void pentagon_state::pentagon_mem(address_map &map)
{
map(0x0000, 0x3fff).bankr("bank1");
map(0x4000, 0x7fff).bankrw("bank2");
map(0x8000, 0xbfff).bankrw("bank3");
map(0xc000, 0xffff).bankrw("bank4");
}
void pentagon_state::pentagon_io(address_map &map)
{
map.unmap_value_high();
map(0x0000, 0x0000).mirror(0x7ffd).w(FUNC(pentagon_state::pentagon_port_7ffd_w)); // (A15 | A1) == 0
map(0x001f, 0x001f).mirror(0xff00).rw(m_beta, FUNC(beta_disk_device::status_r), FUNC(beta_disk_device::command_w));
map(0x003f, 0x003f).mirror(0xff00).rw(m_beta, FUNC(beta_disk_device::track_r), FUNC(beta_disk_device::track_w));
map(0x005f, 0x005f).mirror(0xff00).rw(m_beta, FUNC(beta_disk_device::sector_r), FUNC(beta_disk_device::sector_w));
map(0x007f, 0x007f).mirror(0xff00).rw(m_beta, FUNC(beta_disk_device::data_r), FUNC(beta_disk_device::data_w));
map(0x00fe, 0x00fe).select(0xff00).rw(FUNC(pentagon_state::spectrum_ula_r), FUNC(pentagon_state::spectrum_ula_w));
map(0x00ff, 0x00ff).mirror(0xff00).rw(m_beta, FUNC(beta_disk_device::state_r), FUNC(beta_disk_device::param_w));
map(0x8000, 0x8000).mirror(0x3ffd).w("ay8912", FUNC(ay8910_device::data_w));
map(0xc000, 0xc000).mirror(0x3ffd).rw("ay8912", FUNC(ay8910_device::data_r), FUNC(ay8910_device::address_w));
}
void pentagon_state::pentagon_switch(address_map &map)
{
map(0x0000, 0x3fff).r(FUNC(pentagon_state::beta_neutral_r)); // Overlap with next because we want real addresses on the 3e00-3fff range
map(0x3d00, 0x3dff).r(FUNC(pentagon_state::beta_enable_r));
map(0x4000, 0xffff).r(FUNC(pentagon_state::beta_disable_r));
}
void pentagon_state::machine_start()
{
spectrum_128_state::machine_start();
m_rom_selection = 0;
save_item(NAME(m_rom_selection));
}
void pentagon_state::machine_reset()
{
uint8_t *messram = m_ram->pointer();
m_program = &m_maincpu->space(AS_PROGRAM);
m_p_ram = memregion("maincpu")->base();
m_program->install_write_handler(0x4000, 0x5aff, write8sm_delegate(*this, FUNC(pentagon_state::pentagon_scr_w)));
m_program->install_write_handler(0xc000, 0xdaff, write8sm_delegate(*this, FUNC(pentagon_state::pentagon_scr2_w)));
if (m_beta->started())
{
if (strcmp(machine().system().name, "pent1024")==0)
m_beta->enable();
}
memset(messram,0,128*1024);
/* Bank 5 is always in 0x4000 - 0x7fff */
m_bank2->set_base(messram + (5<<14));
/* Bank 2 is always in 0x8000 - 0xbfff */
m_bank3->set_base(messram + (2<<14));
m_port_7ffd_data = 0;
m_port_1ffd_data = -1;
pentagon_update_memory();
}
void pentagon_state::video_start()
{
spectrum_128_state::video_start();
m_contention_pattern = {};
}
static const gfx_layout spectrum_charlayout =
{
8, 8, /* 8 x 8 characters */
96, /* 96 characters */
1, /* 1 bits per pixel */
{ 0 }, /* no bitplanes */
{STEP8(0, 1)}, /* x offsets */
{STEP8(0, 8)}, /* y offsets */
8*8 /* every char takes 8 bytes */
};
static GFXDECODE_START( gfx_pentagon )
GFXDECODE_ENTRY( "maincpu", 0x17d00, spectrum_charlayout, 7, 8 )
GFXDECODE_END
void pentagon_state::pentagon(machine_config &config)
{
spectrum_128(config);
m_maincpu->set_clock(14_MHz_XTAL / 4);
m_maincpu->set_addrmap(AS_PROGRAM, &pentagon_state::pentagon_mem);
m_maincpu->set_addrmap(AS_IO, &pentagon_state::pentagon_io);
m_maincpu->set_addrmap(AS_OPCODES, &pentagon_state::pentagon_switch);
m_maincpu->set_vblank_int("screen", FUNC(pentagon_state::pentagon_interrupt));
m_screen->set_raw(14_MHz_XTAL / 2, 448, 320, {get_screen_area().left() - 48, get_screen_area().right() + 48, get_screen_area().top() - 48, get_screen_area().bottom() + 48});
BETA_DISK(config, m_beta, 0);
subdevice<gfxdecode_device>("gfxdecode")->set_info(gfx_pentagon);
SPEAKER(config, "lspeaker").front_left();
SPEAKER(config, "rspeaker").front_right();
ay8912_device &ay8912(AY8912(config.replace(), "ay8912", 14_MHz_XTAL / 8));
ay8912.add_route(0, "lspeaker", 0.50);
ay8912.add_route(1, "lspeaker", 0.25);
ay8912.add_route(1, "rspeaker", 0.25);
ay8912.add_route(2, "rspeaker", 0.50);
config.device_remove("exp");
SOFTWARE_LIST(config, "cass_list_pen").set_original("pentagon_cass");
SOFTWARE_LIST(config, "betadisc_list").set_original("spectrum_betadisc_flop");
}
void pentagon_state::pent1024(machine_config &config)
{
pentagon(config);
/* internal ram */
m_ram->set_default_size("1024K");
}
/***************************************************************************
Game driver(s)
***************************************************************************/
ROM_START(pentagon)
ROM_REGION(0x01c000, "maincpu", ROMREGION_ERASEFF)
ROM_SYSTEM_BIOS(0, "v1", "Pentagon 128K")
ROMX_LOAD("128p-0.rom", 0x010000, 0x4000, CRC(124ad9e0) SHA1(d07fcdeca892ee80494d286ea9ea5bf3928a1aca), ROM_BIOS(0))
ROMX_LOAD("128p-1.rom", 0x014000, 0x4000, CRC(b96a36be) SHA1(80080644289ed93d71a1103992a154cc9802b2fa), ROM_BIOS(0))
ROM_SYSTEM_BIOS(1, "v2", "Pentagon 128K 93")
ROMX_LOAD("128tr93.rom",0x010000, 0x4000, CRC(08ad241c) SHA1(16daba547c644ef01ce76d2686ccfbff72e13dbe), ROM_BIOS(1))
ROMX_LOAD("128p-1.rom", 0x014000, 0x4000, CRC(b96a36be) SHA1(80080644289ed93d71a1103992a154cc9802b2fa), ROM_BIOS(1))
ROM_SYSTEM_BIOS(2, "v3", "Pentagon 128K (joined)")
ROMX_LOAD("pentagon.rom", 0x010000, 0x8000, CRC(aa1ce4bd) SHA1(a584272f21dc82c14b7d4f1ed440e23a976e71f0), ROM_BIOS(2))
ROM_SYSTEM_BIOS(3, "v4", "Pentagon 128K Spanish")
ROMX_LOAD("pent-es.rom", 0x010000, 0x8000, CRC(34d04bae) SHA1(6782c8c0ee77c40d6d3170a254894dae44ddc93e), ROM_BIOS(3))
ROM_SYSTEM_BIOS(4, "v5", "Pentagon 128K SOS89R Monitor")
ROMX_LOAD("128p-0.rom", 0x010000, 0x4000, CRC(124ad9e0) SHA1(d07fcdeca892ee80494d286ea9ea5bf3928a1aca), ROM_BIOS(4))
ROMX_LOAD("sos89r.rom", 0x014000, 0x4000, CRC(09c9e7e1) SHA1(29c567921abd377d2f9c088352c392a5a0858651), ROM_BIOS(4))
ROM_SYSTEM_BIOS(5, "v6", "Pentagon 128K 1990 Monitor")
ROMX_LOAD("128p-0.rom", 0x010000, 0x4000, CRC(124ad9e0) SHA1(d07fcdeca892ee80494d286ea9ea5bf3928a1aca), ROM_BIOS(5))
ROMX_LOAD("basic90.rom", 0x014000, 0x4000, CRC(a41575ba) SHA1(44c5de86e765172b0af154fe3934643ce40bf378), ROM_BIOS(5))
ROM_SYSTEM_BIOS(6, "v7", "Pentagon 128K RaK(c) 1991 Monitor")
ROMX_LOAD("128p-0.rom", 0x010000, 0x4000, CRC(124ad9e0) SHA1(d07fcdeca892ee80494d286ea9ea5bf3928a1aca), ROM_BIOS(6))
ROMX_LOAD("sos48.rom", 0x014000, 0x4000, CRC(ceb4005d) SHA1(d56c01ea7abdca178efb2b1c6b2866a9a38274ee), ROM_BIOS(6))
ROM_SYSTEM_BIOS(7, "v8", "Pentagon 128K Dynaelectronics 1989")
ROMX_LOAD("128p-0.rom", 0x010000, 0x4000, CRC(124ad9e0) SHA1(d07fcdeca892ee80494d286ea9ea5bf3928a1aca), ROM_BIOS(7))
ROMX_LOAD("m48a.rom", 0x014000, 0x4000, CRC(a3b4def6) SHA1(7ad59ca373876d452b0cf0ed5edb0e93c3176f1a), ROM_BIOS(7))
ROM_SYSTEM_BIOS(8, "v9", "ZXVGS v0.22 by Yarek")
ROMX_LOAD("zxvgs-22-0.rom", 0x010000, 0x4000, CRC(63041c61) SHA1(f6718097d939afa8881b4436741a5a23d7e93d78), ROM_BIOS(8))
ROMX_LOAD("zxvgs-22-1.rom", 0x014000, 0x4000, CRC(f3736047) SHA1(f3739bf460a57e3f10e8dfb1e7120842938d27ea), ROM_BIOS(8))
ROM_SYSTEM_BIOS(9, "v10", "ZXVGS v0.29 by Yarek")
ROMX_LOAD("zxvg-29-0.rom", 0x010000, 0x4000, CRC(3b66f433) SHA1(d21df9e7f1ee99d8b38c2e6a32727aac0f1d5dc6), ROM_BIOS(9))
ROMX_LOAD("zxvg-1.rom", 0x014000, 0x4000, CRC(a8baca3e) SHA1(f2f131eaa4de832eda76290e48f86e465d28ded7), ROM_BIOS(9))
ROM_SYSTEM_BIOS(10, "v11", "ZXVGS v0.30 by Yarek")
ROMX_LOAD("zxvg-30-0.rom", 0x010000, 0x4000, CRC(533e0f26) SHA1(b5f157c5d0da414ec77e445fdc40b78450129709), ROM_BIOS(10))
ROMX_LOAD("zxvg-1.rom", 0x014000, 0x4000, CRC(a8baca3e) SHA1(f2f131eaa4de832eda76290e48f86e465d28ded7), ROM_BIOS(10))
ROM_SYSTEM_BIOS(11, "v12", "ZXVGS v0.31 by Yarek")
ROMX_LOAD("zxvg-31-0.rom", 0x010000, 0x4000, CRC(76f43500) SHA1(1c7cd52894847668418876d55b93b213d89d92ee), ROM_BIOS(11))
ROMX_LOAD("zxvg-1.rom", 0x014000, 0x4000, CRC(a8baca3e) SHA1(f2f131eaa4de832eda76290e48f86e465d28ded7), ROM_BIOS(11))
ROM_SYSTEM_BIOS(12, "v13", "ZXVGS v0.35 by Yarek")
ROMX_LOAD("zxvg-35-0.rom", 0x010000, 0x4000, CRC(5cc8b3b1) SHA1(6c6d0ef1b65d7dc4f607d17204488264575ce48c), ROM_BIOS(12))
ROMX_LOAD("zxvg-1.rom", 0x014000, 0x4000, CRC(a8baca3e) SHA1(f2f131eaa4de832eda76290e48f86e465d28ded7), ROM_BIOS(12))
ROM_SYSTEM_BIOS(13, "v14", "NeOS 512")
ROMX_LOAD("neos_512.rom", 0x010000, 0x4000, CRC(1657fa43) SHA1(647545f06257bce9b1919fcb86b2a49a21c851a7), ROM_BIOS(13))
ROMX_LOAD("128p-1.rom", 0x014000, 0x4000, CRC(b96a36be) SHA1(80080644289ed93d71a1103992a154cc9802b2fa), ROM_BIOS(13))
ROM_END
ROM_START(pent1024)
ROM_REGION(0x01c000, "maincpu", ROMREGION_ERASEFF)
ROM_LOAD("128p-0.rom", 0x010000, 0x4000, CRC(124ad9e0) SHA1(d07fcdeca892ee80494d286ea9ea5bf3928a1aca))
ROM_LOAD("128p-1.rom", 0x014000, 0x4000, CRC(b96a36be) SHA1(80080644289ed93d71a1103992a154cc9802b2fa))
ROM_SYSTEM_BIOS(0, "v1", "Gluk 6.3r")
ROMX_LOAD("gluk63r.rom",0x018000, 0x4000, CRC(ca321d79) SHA1(015eb96dafb273d4f4512c467e9b43c305fd1bc4), ROM_BIOS(0))
ROM_SYSTEM_BIOS(1, "v2", "Gluk 5.2i")
ROMX_LOAD("gluk52i.rom", 0x018000, 0x4000, CRC(fe44b86a) SHA1(9099d8a0f99a818849ca67ae1a8d3e7eacf06e65), ROM_BIOS(1))
ROM_SYSTEM_BIOS(2, "v3", "Gluk 5.3")
ROMX_LOAD("gluk53.rom", 0x018000, 0x4000, CRC(479515ef) SHA1(ed656cd4faa36de2e31b38102bcbd8cee12e7976), ROM_BIOS(2))
ROM_SYSTEM_BIOS(3, "v4", "Gluk 5.4")
ROMX_LOAD("gluk54r.rom", 0x018000, 0x4000, CRC(f4c1e975) SHA1(7e9e116750e1398572695b9cf8a120e47066256e), ROM_BIOS(3))
ROM_SYSTEM_BIOS(4, "v5", "Gluk 5.5r")
ROMX_LOAD("gluk55r.rom", 0x018000, 0x4000, CRC(3658c1ee) SHA1(4a5c8ca1e090cfb0168796f0d695310fa5c955d3), ROM_BIOS(4))
ROM_SYSTEM_BIOS(5, "v6", "Gluk 5.5rr")
ROMX_LOAD("gluk55rr.rom",0x018000, 0x4000, CRC(6b60b818) SHA1(9d606275d17770c9341b33b43f40aee227078827), ROM_BIOS(5))
ROM_SYSTEM_BIOS(6, "v7", "Gluk 6.0r")
ROMX_LOAD("gluk60r.rom", 0x018000, 0x4000, CRC(d114a032) SHA1(5db3462ce7a51b473a3a7056e67c11a62cc1cc2a), ROM_BIOS(6))
ROM_SYSTEM_BIOS(7, "v8", "Gluk 6.0-1r")
ROMX_LOAD("gluk601r.rom", 0x018000, 0x4000, CRC(daf6310b) SHA1(b8945168d4d136b731b33ec4758f8510c47fb8c4), ROM_BIOS(7))
ROM_SYSTEM_BIOS(8, "v9", "Gluk 5.1")
ROMX_LOAD("gluk51.rom", 0x018000, 0x4000, CRC(ea8c760b) SHA1(adaab28066ca46fbcdcf084c3b53d5a1b82d94a9), ROM_BIOS(8))
ROM_END
} // Anonymous namespace
// YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS
COMP( 1991, pentagon, spec128, 0, pentagon, spec_plus, pentagon_state, empty_init, "Vladimir Drozdov", "Pentagon 128K", 0 )
COMP( 2005, pent1024, spec128, 0, pent1024, spec_plus, pentagon_state, empty_init, "Alex Zhabin", "Pentagon 1024SL", 0 )
|