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// license:?
// 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"
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)0xe1 << 32; //PC=fff04810
return 0;
}
static ADDRESS_MAP_START(pippin_mem, AS_PROGRAM, 64, macpci_state)
AM_RANGE(0x00000000, 0x005fffff) AM_RAM
/* writes at 0x0*c01000 the string "Mr. Kesh" and wants it to be read back, true color VRAMs perhaps? */
AM_RANGE(0x00c00000, 0x00c01007) AM_RAM
AM_RANGE(0x01c00000, 0x01c01007) AM_RAM
AM_RANGE(0x02c00000, 0x02c01007) AM_RAM
AM_RANGE(0x03c00000, 0x03c01007) AM_RAM
AM_RANGE(0x40000000, 0x403fffff) AM_ROM AM_REGION("bootrom", 0) AM_MIRROR(0x0fc00000) // mirror of ROM for 680x0 emulation
AM_RANGE(0xf00dfff8, 0xf00dffff) AM_READ(unk2_r)
AM_RANGE(0xf3008800, 0xf3008807) AM_READ(unk1_r)
AM_RANGE(0xf3016000, 0xf3017fff) AM_READWRITE16(mac_via_r, mac_via_w, U64(0xffffffffffffffff))
AM_RANGE(0xffc00000, 0xffffffff) AM_ROM AM_REGION("bootrom",0)
ADDRESS_MAP_END
/* Input ports */
static INPUT_PORTS_START( pippin )
INPUT_PORTS_END
UINT32 macpci_state::screen_update_pippin(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
{
return 0;
}
struct cdrom_interface pippin_cdrom =
{
NULL,
NULL
};
static MACHINE_CONFIG_START( pippin, macpci_state )
/* basic machine hardware */
MCFG_CPU_ADD("maincpu", PPC603, 66000000)
MCFG_CPU_PROGRAM_MAP(pippin_mem)
/* video hardware */
MCFG_SCREEN_ADD("screen", RASTER)
MCFG_SCREEN_REFRESH_RATE(60)
MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500)) /* not accurate */
MCFG_SCREEN_SIZE(640, 480)
MCFG_SCREEN_VISIBLE_AREA(0, 640-1, 0, 480-1)
MCFG_SCREEN_UPDATE_DRIVER(macpci_state, screen_update_pippin)
MCFG_SCREEN_PALETTE("palette")
MCFG_PALETTE_ADD_BLACK_AND_WHITE("palette")
/* sound hardware */
MCFG_SPEAKER_STANDARD_STEREO("lspeaker", "rspeaker")
MCFG_SOUND_ADD( "cdda", CDDA, 0 )
MCFG_SOUND_ROUTE( 0, "lspeaker", 1.00 )
MCFG_SOUND_ROUTE( 1, "rspeaker", 1.00 )
MCFG_CDROM_ADD("cdrom",pippin_cdrom)
MCFG_RAM_ADD(RAM_TAG)
MCFG_RAM_DEFAULT_SIZE("32M")
MCFG_DEVICE_ADD("via6522_0", VIA6522, C7M/10)
MCFG_VIA6522_READPA_HANDLER(READ8(macpci_state, mac_via_in_a))
MCFG_VIA6522_READPB_HANDLER(READ8(macpci_state, mac_via_in_b))
MCFG_VIA6522_WRITEPA_HANDLER(WRITE8(macpci_state,mac_via_out_a))
MCFG_VIA6522_WRITEPB_HANDLER(WRITE8(macpci_state,mac_via_out_b))
MCFG_VIA6522_CB2_HANDLER(WRITELINE(macpci_state, mac_adb_via_out_cb2))
MCFG_VIA6522_IRQ_HANDLER(WRITELINE(macpci_state,mac_via_irq))
// MCFG_SCC8530_ADD("scc", C7M, line_cb_t(FUNC(macpci_state::set_scc_interrupt), static_cast<macpci_state *>(owner)))
MCFG_CUDA_ADD(CUDA_341S0060)
MCFG_CUDA_RESET_CALLBACK(WRITELINE(macpci_state, cuda_reset_w))
MCFG_CUDA_LINECHANGE_CALLBACK(WRITELINE(macpci_state, cuda_adb_linechange_w))
MCFG_CUDA_VIA_CLOCK_CALLBACK(DEVWRITELINE("via6522_0", via6522_device, write_cb1))
MCFG_CUDA_VIA_DATA_CALLBACK(DEVWRITELINE("via6522_0", via6522_device, write_cb2))
MCFG_QUANTUM_PERFECT_CPU("maincpu")
MACHINE_CONFIG_END
/* 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, "v1", "Kinka v 1.0")
ROMX_LOAD( "341s0251.u1", 0x000006, 0x100000, CRC(aaea2449) SHA1(2f63e215260a42fb7c5f2364682d5e8c0604646f),ROM_GROUPWORD | ROM_REVERSE | ROM_SKIP(6) | ROM_BIOS(1))
ROMX_LOAD( "341s0252.u2", 0x000004, 0x100000, CRC(3d584419) SHA1(e29c764816755662693b25f1fb3c24faef4e9470),ROM_GROUPWORD | ROM_REVERSE | ROM_SKIP(6) | ROM_BIOS(1))
ROMX_LOAD( "341s0253.u3", 0x000002, 0x100000, CRC(d8ae5037) SHA1(d46ce4d87ca1120dfe2cf2ba01451f035992b6f6),ROM_GROUPWORD | ROM_REVERSE | ROM_SKIP(6) | ROM_BIOS(1))
ROMX_LOAD( "341s0254.u4", 0x000000, 0x100000, CRC(3e2851ba) SHA1(7cbf5d6999e890f5e9ab2bc4b10ca897c4dc2016),ROM_GROUPWORD | ROM_REVERSE | ROM_SKIP(6) | ROM_BIOS(1))
ROM_SYSTEM_BIOS(1, "pre", "Kinka pre-release")
ROMX_LOAD( "kinka-pre.rom", 0x000000, 0x400000, CRC(4ff875e6) SHA1(eb8739cab1807c6c7c51acc7f4a3afc1f9c6ddbb),ROM_BIOS(2))
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 INIT COMPANY FULLNAME FLAGS */
COMP( 1996, pippin, 0, 0, pippin, pippin, driver_device, 0, "Apple / Bandai", "Pippin @mark", GAME_NOT_WORKING)
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