// license:BSD-3-Clause // copyright-holders:R. Belmont /*************************************************************************** macpci.c: second-generation Old World PowerMacs based on PCI instead of NuBus Preliminary driver by R. Belmont (based on pippin.c skeleton by Angelo Salese) Pippin: Apple ASICs identified: ----------------------- 343S1125 Grand Central (SWIM III, Sound, VIA) 341S0060 Cuda (68HC05 MCU, handles ADB and parameter ("CMOS") RAM) 343S1146 ??? (likely SCSI due to position on board) 343S1191(x2) Athens Prime PLL Clock Generator Other chips ----------- Z8530 SCC CS4217 audio DAC Bt856 video DAC Pippin-type map F3000000 : Grand Central DMA/IRQ controller F3012000 : SCC F3013000 : Grand Central system controller F3014000 : AWACS audio F3015000 : SWIM III F3016000 : VIA1 F3018000 : SCSI (53C96) NOTE: the PowerPC starts off disabled; the Cuda 68HC05 starts it up once it's booted. NOTE 2: goes off into the weeds in the subroutine at fff05010 ****************************************************************************/ #include "emu.h" #include "includes/macpci.h" #include "cpu/powerpc/ppc.h" #include "imagedev/chd_cd.h" #include "sound/cdda.h" #include "emupal.h" #include "screen.h" #include "softlist.h" #include "speaker.h" READ64_MEMBER( macpci_state::unk1_r ) { m_unk1_test ^= 0x0400; //PC=ff808760 return m_unk1_test << 16; } READ64_MEMBER( macpci_state::unk2_r ) { if (ACCESSING_BITS_32_47) return (uint64_t)0xe1 << 32; //PC=fff04810 return 0; } void macpci_state::pippin_mem(address_map &map) { map(0x00000000, 0x005fffff).ram(); /* writes at 0x0*c01000 the string "Mr. Kesh" and wants it to be read back, true color VRAMs perhaps? */ map(0x00c00000, 0x00c01007).ram(); map(0x01c00000, 0x01c01007).ram(); map(0x02c00000, 0x02c01007).ram(); map(0x03c00000, 0x03c01007).ram(); map(0x40000000, 0x403fffff).rom().region("bootrom", 0).mirror(0x0fc00000); // mirror of ROM for 680x0 emulation map(0xf00dfff8, 0xf00dffff).r(FUNC(macpci_state::unk2_r)); map(0xf3008800, 0xf3008807).r(FUNC(macpci_state::unk1_r)); map(0xf3016000, 0xf3017fff).rw(FUNC(macpci_state::mac_via_r), FUNC(macpci_state::mac_via_w)); map(0xffc00000, 0xffffffff).rom().region("bootrom", 0); } /* Input ports */ static INPUT_PORTS_START( pippin ) INPUT_PORTS_END uint32_t macpci_state::screen_update_pippin(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect) { return 0; } void macpci_state::pippin(machine_config &config) { /* basic machine hardware */ PPC603(config, m_maincpu, 66000000); m_maincpu->set_addrmap(AS_PROGRAM, &macpci_state::pippin_mem); /* video hardware */ screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER)); screen.set_refresh_hz(60); screen.set_vblank_time(ATTOSECONDS_IN_USEC(2500)); /* not accurate */ screen.set_size(640, 480); screen.set_visarea(0, 640-1, 0, 480-1); screen.set_screen_update(FUNC(macpci_state::screen_update_pippin)); screen.set_palette("palette"); PALETTE(config, "palette", palette_device::MONOCHROME); /* sound hardware */ SPEAKER(config, "lspeaker").front_left(); SPEAKER(config, "rspeaker").front_right(); cdda_device &cdda(CDDA(config, "cdda")); cdda.add_route(0, "lspeaker", 1.00); cdda.add_route(1, "rspeaker", 1.00); cdrom_image_device &cdrom(CDROM(config, "cdrom", 0)); cdrom.set_interface("pippin_cdrom"); SOFTWARE_LIST(config, "cd_list").set_original("pippin"); RAM(config, m_ram); m_ram->set_default_size("32M"); VIA6522(config, m_via1, C7M/10); m_via1->readpa_handler().set(FUNC(macpci_state::mac_via_in_a)); m_via1->readpb_handler().set(FUNC(macpci_state::mac_via_in_b)); m_via1->writepa_handler().set(FUNC(macpci_state::mac_via_out_a)); m_via1->writepb_handler().set(FUNC(macpci_state::mac_via_out_b)); m_via1->cb2_handler().set(FUNC(macpci_state::mac_adb_via_out_cb2)); m_via1->irq_handler().set(FUNC(macpci_state::mac_via_irq)); //scc8530_t &scc(SCC8530(config, "scc", C7M)); //scc.intrq_callback().set(FUNC(macpci_state::set_scc_interrupt)); CUDA(config, m_cuda, 0); m_cuda->set_type(CUDA_341S0060); m_cuda->reset_callback().set(FUNC(macpci_state::cuda_reset_w)); m_cuda->linechange_callback().set(FUNC(macpci_state::cuda_adb_linechange_w)); m_cuda->via_clock_callback().set(m_via1, FUNC(via6522_device::write_cb1)); m_cuda->via_data_callback().set(m_via1, FUNC(via6522_device::write_cb2)); config.set_perfect_quantum(m_maincpu); } /* ROM definition */ /* BIOS versions dev monitor 341S0241 - 245,247,248,250 1.0 341S0251..254 U1-U4 1.2 341S0297..300 U15,U20,U31,U35 1.3 341S0328..331 U1/U31, U2/U35, U3/U15 and U4/U20 */ ROM_START( pippin ) ROM_REGION( 0x400000, "bootrom", ROMREGION_64BIT | ROMREGION_BE ) ROM_SYSTEM_BIOS(0, "v13", "Kinka v 1.3") ROMX_LOAD( "bandai pippin,19960920 - kinka 1.3,- 3e6b3ee4-a52528e9ce8c.rom", 0x000000, 0x400000, CRC(87a1337d) SHA1(8e512af6e34dd823f3defec77d43ecbff1ecad54), ROM_BIOS(0) ) ROM_SYSTEM_BIOS(1, "v12", "Kinka v 1.2") ROMX_LOAD( "bandai pippin,19960628 - kinka 1.2,- 3e10e14c-72c40c1af23a.rom", 0x000000, 0x400000, CRC(4fead4b3) SHA1(3fa02e9b0fa702ac6e02edc08911eac8b50e2d1f), ROM_BIOS(1) ) ROM_SYSTEM_BIOS(2, "v1", "Kinka v 1.0") ROMX_LOAD( "341s0251.u1", 0x000006, 0x100000, CRC(aaea2449) SHA1(2f63e215260a42fb7c5f2364682d5e8c0604646f),ROM_GROUPWORD | ROM_REVERSE | ROM_SKIP(6) | ROM_BIOS(2)) ROMX_LOAD( "341s0252.u2", 0x000004, 0x100000, CRC(3d584419) SHA1(e29c764816755662693b25f1fb3c24faef4e9470),ROM_GROUPWORD | ROM_REVERSE | ROM_SKIP(6) | ROM_BIOS(2)) ROMX_LOAD( "341s0253.u3", 0x000002, 0x100000, CRC(d8ae5037) SHA1(d46ce4d87ca1120dfe2cf2ba01451f035992b6f6),ROM_GROUPWORD | ROM_REVERSE | ROM_SKIP(6) | ROM_BIOS(2)) ROMX_LOAD( "341s0254.u4", 0x000000, 0x100000, CRC(3e2851ba) SHA1(7cbf5d6999e890f5e9ab2bc4b10ca897c4dc2016),ROM_GROUPWORD | ROM_REVERSE | ROM_SKIP(6) | ROM_BIOS(2)) ROM_SYSTEM_BIOS(3, "vgm", "Kinka GM version") ROMX_LOAD( "bandai pippin,19960128 - kinka gm flash,- 2bf65931-318e40f6a1f4.rom", 0x000000, 0x400000, CRC(4ff875e6) SHA1(eb8739cab1807c6c7c51acc7f4a3afc1f9c6ddbb), ROM_BIOS(3) ) ROM_SYSTEM_BIOS(4, "pre", "Kinka pre-release") ROMX_LOAD( "kinka-pre.rom", 0x000000, 0x400000, CRC(4ff875e6) SHA1(eb8739cab1807c6c7c51acc7f4a3afc1f9c6ddbb),ROM_BIOS(4) ) ROM_REGION( 0x10000, "cdrom", 0 ) /* MATSUSHITA CR504-L OEM */ ROM_LOAD( "504par4.0i.ic7", 0x0000, 0x10000, CRC(25f7dd46) SHA1(ec3b3031742807924c6259af865e701827208fec) ) ROM_END /* Driver */ /* YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS */ COMP( 1996, pippin, 0, 0, pippin, pippin, macpci_state, empty_init, "Apple / Bandai", "Pippin @mark", MACHINE_NOT_WORKING)