summaryrefslogtreecommitdiffstatshomepage
path: root/src/mame/drivers/nexus3d.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/mame/drivers/nexus3d.cpp')
-rw-r--r--src/mame/drivers/nexus3d.cpp380
1 files changed, 0 insertions, 380 deletions
diff --git a/src/mame/drivers/nexus3d.cpp b/src/mame/drivers/nexus3d.cpp
deleted file mode 100644
index 81c218bb886..00000000000
--- a/src/mame/drivers/nexus3d.cpp
+++ /dev/null
@@ -1,380 +0,0 @@
-// license:BSD-3-Clause
-// copyright-holders:Scott Stone
-/************************************************************************
-
- NEXUS 3D Version 1.0 Board from Interpark
-
- Games on this platform:
-
- Arcana Heart FULL, Examu Inc, 2006
-
- MagicEyes VRENDER 3D Soc (200 MHz ARM920T CPU / GFX / Sound)
- Also Has 2x QDSP QS1000 for sound
-
-*/
-
-#include "emu.h"
-#include "cpu/arm7/arm7.h"
-#include "cpu/arm7/arm7core.h"
-#include "machine/serflash.h"
-#include "emupal.h"
-#include "screen.h"
-#include "debugger.h"
-
-//#include "machine/i2cmem.h"
-
-
-
-class nexus3d_state : public driver_device
-{
-public:
- nexus3d_state(const machine_config &mconfig, device_type type, const char *tag)
- : driver_device(mconfig, type, tag),
- m_maincpu(*this, "maincpu"),
- m_mainram(*this, "mainram"),
- m_fbram(*this, "fbram"),
- m_serflash(*this, "flash"),
- m_screen(*this, "screen"),
- m_palette(*this, "palette")
- { }
-
- void nexus3d(machine_config &config);
-
- void init_acheart();
- void init_acheartf();
-
-private:
- required_device<cpu_device> m_maincpu;
- required_shared_ptr<uint32_t> m_mainram;
- required_shared_ptr<uint32_t> m_fbram;
- required_device<serflash_device> m_serflash;
- required_device<screen_device> m_screen;
- required_device<palette_device> m_palette;
-
-// uint32_t nexus3d_unk2_r();
-// uint32_t nexus3d_unk3_r();
-// void nexus3d_unk2_w(uint32_t data);
-// void nexus3d_unk3_w(uint32_t data);
-
- virtual void machine_start() override;
- virtual void machine_reset() override;
- virtual void video_start() override;
- uint32_t screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
- DECLARE_WRITE_LINE_MEMBER(screen_vblank);
- void nexus3d_map(address_map &map);
-
- uint32_t m_intpend, m_intmask, m_intlevel;
- uint32_t int_pending_r();
- void int_ack_w(uint32_t data);
- uint32_t int_level_r();
- uint32_t int_mask_r();
- void int_mask_w(offs_t offset, uint32_t data, uint32_t mem_mask = ~0);
- void IntReq(int level);
-
- uint32_t vrender3d_status_r();
- void rop_data_w(uint32_t data);
- void rop_register_w(uint16_t data);
- uint16_t rop_status_r();
-
- uint32_t timer_status_r();
- void timer_status_w(offs_t offset, uint32_t data, uint32_t mem_mask = ~0);
- uint32_t timer_count_r();
- void timer_count_w(offs_t offset, uint32_t data, uint32_t mem_mask = ~0);
- uint32_t m_timer_status;
- uint32_t m_timer_count;
- emu_timer *m_timer;
- TIMER_CALLBACK_MEMBER(timercb);
- bool m_timer_irq;
- bool m_timer_result;
-
- uint32_t crtc_vblank_r();
-};
-
-void nexus3d_state::video_start()
-{
- // ...
-}
-
-uint32_t nexus3d_state::screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
-{
- uint16_t const *const fbram = reinterpret_cast<uint16_t *>(m_fbram.target());
- int const width = 640;
-
- uint16_t const *const visible = fbram + (m_screen->frame_number() & 1) * (0x96000/2);
-
- uint32_t const dx = cliprect.left();
- for (int y = cliprect.top(); y <= cliprect.bottom(); y++)
- std::copy_n(&visible[(y * width) + dx], width, &bitmap.pix(y, dx));
-
- return 0;
-}
-
-uint32_t nexus3d_state::vrender3d_status_r()
-{
- return (0xbf<<16) | m_screen->vpos();
-}
-
-void nexus3d_state::IntReq(int level)
-{
- if (level != -1)
- {
- m_intlevel = level;
- m_intpend |= 1 << level;
- }
- uint32_t inten = m_intmask ^ 0xffffffff;
-
- if (m_intpend & inten)
- m_maincpu->set_input_line(ARM7_IRQ_LINE, ASSERT_LINE);
- else
- m_maincpu->set_input_line(ARM7_IRQ_LINE, CLEAR_LINE);
-}
-
-
-uint32_t nexus3d_state::int_mask_r()
-{
- return m_intmask;
-}
-
-void nexus3d_state::int_mask_w(offs_t offset, uint32_t data, uint32_t mem_mask)
-{
- COMBINE_DATA(&m_intmask);
-}
-
-uint32_t nexus3d_state::int_pending_r()
-{
- return m_intpend;
-}
-
-void nexus3d_state::int_ack_w(uint32_t data)
-{
- m_intpend &= ~data;
- IntReq(-1);
-}
-
-uint32_t nexus3d_state::int_level_r()
-{
- return m_intlevel;
-}
-
-void nexus3d_state::rop_register_w(uint16_t data)
-{
- //printf("%04x REG\n",data);
-}
-
-void nexus3d_state::rop_data_w(uint32_t data)
-{
- //printf("%04x DATA\n",data);
-}
-
-uint16_t nexus3d_state::rop_status_r()
-{
- return machine().rand() & 0x1000;
-}
-
-uint32_t nexus3d_state::timer_status_r()
-{
- uint32_t res = (m_timer_status & ~0x30) | ((m_timer_irq == true) << 5) | ((m_timer_result == true) << 4);
- return res;
-}
-
-void nexus3d_state::timer_status_w(offs_t offset, uint32_t data, uint32_t mem_mask)
-{
- COMBINE_DATA(&m_timer_status);
- //printf("%08x %08x\n",m_timer_status, m_timer_count);
-
- if (m_timer_status & 0x20)
- m_timer_irq = false;
-
- if (m_timer_status & 8)
- {
- m_timer_result = false;
- // TODO: unknown formula, should be counter / (bits 0-1 and maybe 2)
- attotime period = attotime::from_hz(14318180 * 3);
- m_timer->adjust(period);
- }
-}
-
-uint32_t nexus3d_state::timer_count_r()
-{
- return m_timer_count;
-}
-
-void nexus3d_state::timer_count_w(offs_t offset, uint32_t data, uint32_t mem_mask)
-{
- COMBINE_DATA(&m_timer_count);
-}
-
-TIMER_CALLBACK_MEMBER(nexus3d_state::timercb)
-{
- m_timer_result = true;
- m_timer_status &= ~8;
- #if 0
- if (m_timer_irq == false && m_timer_status & 0x10)
- {
- m_timer_irq = true;
- // lv 10 (the only enabled irq at POST) should be UART
- IntReq(?);
- }
- #endif
-}
-
-
-uint32_t nexus3d_state::crtc_vblank_r()
-{
- uint16_t res = (m_screen->vblank()<<1) | (m_screen->hblank()<<0);
-
- return (res<<16);
-}
-
-void nexus3d_state::nexus3d_map(address_map &map)
-{
- map(0x00000000, 0x01ffffff).ram().share("mainram");
- map(0x02000000, 0x023fffff).ram().share("fbram"); // boundary tbd
-
- map(0x03720000, 0x0373ffff).ram(); // 3d fifo, boundary tbd
- map(0x046c0000, 0x046fffff).ram(); // """
-
- map(0x60000000, 0x67ffffff).ram(); // color tables?
-
- // actually USB hubs (prints "USB STRAGE" if 0)
- map(0x8c000000, 0x8c000003).portr("IN0");
- map(0x8c800000, 0x8c800003).portr("IN1");
- map(0x8d000000, 0x8d000003).portr("IN2");
-
- // flash
- map(0x9C000000, 0x9C000003).r(m_serflash, FUNC(serflash_device::n3d_flash_r));
- map(0x9C000010, 0x9C000013).w(m_serflash, FUNC(serflash_device::n3d_flash_cmd_w));
- map(0x9C000018, 0x9C00001b).w(m_serflash, FUNC(serflash_device::n3d_flash_addr_w));
-
- // read on irq 9 service, unknown purpose
- map(0xc0000200, 0xc00002bf).nopr();
-
- // on irq, acknowledge happens to both 800 and 810 ports
- map(0xc0000800, 0xc0000803).nopw();
- map(0xc0000808, 0xc000080b).rw(FUNC(nexus3d_state::int_mask_r), FUNC(nexus3d_state::int_mask_w));
- map(0xc0000810, 0xc0000813).rw(FUNC(nexus3d_state::int_pending_r), FUNC(nexus3d_state::int_ack_w));
- map(0xc0000814, 0xc0000817).r(FUNC(nexus3d_state::int_level_r));
-
- // lots of accesses in this range
- // 0xc00018xx seems CRTC related
- // 0xc000091x loads a "gfx charset"?
- map(0xc0000910, 0xc0000913).w(FUNC(nexus3d_state::rop_data_w));
- map(0xc000091c, 0xc000091f).w(FUNC(nexus3d_state::rop_register_w)).umask32(0xffff0000);
-
- map(0xc0000d00, 0xc0000d03).rw(FUNC(nexus3d_state::timer_status_r), FUNC(nexus3d_state::timer_status_w));
- map(0xc0000d04, 0xc0000d07).rw(FUNC(nexus3d_state::timer_count_r), FUNC(nexus3d_state::timer_count_w));
-
- map(0xc0001844, 0xc0001847).r(FUNC(nexus3d_state::crtc_vblank_r));
-
-// map(0xc0000f40, 0xc0000f4f).ram();
-// map(0xC0000F44, 0xC0000F47) (nexus3d_unk2_r, nexus3d_unk2_w ) // often, status for something.
- map(0xc0000f4c, 0xc0000f4f).r(FUNC(nexus3d_state::rop_status_r)).umask32(0xffff0000);
-
- map(0xe0000014, 0xe0000017).r(FUNC(nexus3d_state::vrender3d_status_r));
-
-// map(0xe0000000, 0xe00000ff) General / Control registers
-// map(0xe0000300, 0xe00003ff) GTE constant vector registers
-
-}
-
-static INPUT_PORTS_START( nexus3d )
- PORT_START("IN0")
- PORT_BIT( 0xffffffff, IP_ACTIVE_LOW, IPT_UNKNOWN )
-
- PORT_START("IN1")
- PORT_BIT( 0xffffffff, IP_ACTIVE_LOW, IPT_UNKNOWN )
-
- PORT_START("IN2")
- PORT_BIT( 0xffffffff, IP_ACTIVE_LOW, IPT_UNKNOWN )
-INPUT_PORTS_END
-
-void nexus3d_state::machine_start()
-{
- m_timer = machine().scheduler().timer_alloc(timer_expired_delegate(FUNC(nexus3d_state::timercb),this), 0);
-
-}
-
-void nexus3d_state::machine_reset()
-{
- // the first part of the flash ROM automatically gets copied to RAM
- memcpy(m_mainram, memregion("flash")->base(), 4 * 1024);
-}
-
-WRITE_LINE_MEMBER(nexus3d_state::screen_vblank)
-{
- // rising edge
- if (state)
- {
- // EXTINT1?
- //IntReq(9);
- IntReq(1);
- }
-}
-
-void nexus3d_state::nexus3d(machine_config &config)
-{
- /* basic machine hardware */
- ARM920T(config, m_maincpu, 200000000);
- m_maincpu->set_addrmap(AS_PROGRAM, &nexus3d_state::nexus3d_map);
-
- SCREEN(config, m_screen, SCREEN_TYPE_RASTER);
- m_screen->set_raw((XTAL(14'318'181)*2), 454*2, 0, 640, 262*2, 0, 480); // not accurate, needs CRTC understanding
- m_screen->set_screen_update(FUNC(nexus3d_state::screen_update));
- m_screen->screen_vblank().set(FUNC(nexus3d_state::screen_vblank));
- m_screen->set_palette("palette");
-
- PALETTE(config, "palette", palette_device::RGB_565);
-
- SERFLASH(config, m_serflash, 0);
-}
-
-
-
-ROM_START( acheart )
- ROM_REGION( 0x10800898, "flash", 0 ) /* ARM 32 bit code */
- ROM_LOAD( "arcanaheart.u1", 0x000000, 0x10800898, CRC(109bf439) SHA1(33fd39355923ef384d5eaeec8ae3f296509bde93) )
-
- ROM_REGION( 0x200000, "user2", 0 ) // QDSP stuff
- ROM_LOAD( "u38.bin", 0x000000, 0x200000, CRC(29ecfba3) SHA1(ab02c7a579a3c05a19b79e42342fd5ed84c7b046) )
- ROM_LOAD( "u39.bin", 0x000000, 0x200000, CRC(eef0b1ee) SHA1(5508e6b2f0ae1555662793313a05e94a87599890) )
- ROM_LOAD( "u44.bin", 0x000000, 0x200000, CRC(b9723bdf) SHA1(769090ada7375ecb3d0bc10e89fe74a8e89129f2) )
- ROM_LOAD( "u45.bin", 0x000000, 0x200000, CRC(1c6a3169) SHA1(34a2ca00a403dc1e3909ed1c55320cf2bbd9d49e) )
- ROM_LOAD( "u46.bin", 0x000000, 0x200000, CRC(1e8a7e73) SHA1(3270bc359b266e57debf8fd4283a46e08d679ae2) )
-
- ROM_REGION( 0x080000, "wavetable", ROMREGION_ERASEFF ) /* QDSP wavetable rom */
-// ROM_LOAD( "qs1001a", 0x000000, 0x80000, CRC(d13c6407) SHA1(57b14f97c7d4f9b5d9745d3571a0b7115fbe3176) ) // missing from this set, but should be the same
-ROM_END
-
-
-ROM_START( acheartf )
- ROM_REGION( 0x10800898, "flash", 0 ) /* ARM 32 bit code */
- ROM_LOAD( "arcanaheartfull.u1", 0x000000, 0x10800898, CRC(54b57a9d) SHA1(dee5a43b3aea854d2b98869dca74c57b66fb06eb))
-
- ROM_REGION( 0x200000, "user2", 0 ) // QDSP stuff
- ROM_LOAD( "u38.bin", 0x000000, 0x200000, CRC(29ecfba3) SHA1(ab02c7a579a3c05a19b79e42342fd5ed84c7b046) )
- ROM_LOAD( "u39.bin", 0x000000, 0x200000, CRC(eef0b1ee) SHA1(5508e6b2f0ae1555662793313a05e94a87599890) )
- ROM_LOAD( "u44.bin", 0x000000, 0x200000, CRC(b9723bdf) SHA1(769090ada7375ecb3d0bc10e89fe74a8e89129f2) )
- ROM_LOAD( "u45.bin", 0x000000, 0x200000, CRC(1c6a3169) SHA1(34a2ca00a403dc1e3909ed1c55320cf2bbd9d49e) )
- ROM_LOAD( "u46.bin", 0x000000, 0x200000, CRC(1e8a7e73) SHA1(3270bc359b266e57debf8fd4283a46e08d679ae2) )
-
- ROM_REGION( 0x080000, "wavetable", ROMREGION_ERASEFF ) /* QDSP wavetable rom */
-// ROM_LOAD( "qs1001a", 0x000000, 0x80000, CRC(d13c6407) SHA1(57b14f97c7d4f9b5d9745d3571a0b7115fbe3176) ) // missing from this set, but should be the same
-ROM_END
-
-void nexus3d_state::init_acheart()
-{
- // 0x1230 BL <vector>
- // 0x1234 CMPS, #$0 <- if R0 = 1 then stops at 0x1244
-}
-
-void nexus3d_state::init_acheartf()
-{
- // 0x1290 BL <vector>
- // 0x1294 CMPS, #$0 <- if R0 = 1 then stops at 0x1244
-
- // patch additional unknown check after $c0000a00
- // 0x107c serial?
-}
-
-GAME( 2005, acheart, 0, nexus3d, nexus3d, nexus3d_state, init_acheart, ROT0, "Examu", "Arcana Heart", MACHINE_IS_SKELETON )
-GAME( 2006, acheartf, 0, nexus3d, nexus3d, nexus3d_state, init_acheartf, ROT0, "Examu", "Arcana Heart Full", MACHINE_IS_SKELETON )