// license:BSD-3-Clause // copyright-holders:Curt Coder /********************************************************************** CMD SuperCPU v2 + SuperRAM emulation Copyright MESS Team. Visit http://mamedev.org for licensing and usage restrictions. **********************************************************************/ #include "supercpu.h" //************************************************************************** // MACROS/CONSTANTS //************************************************************************** #define G65816_TAG "g65816" //************************************************************************** // DEVICE DEFINITIONS //************************************************************************** const device_type C64_SUPERCPU = &device_creator; //------------------------------------------------- // ROM( c64_supercpu ) //------------------------------------------------- ROM_START( c64_supercpu ) ROM_REGION( 0x20000, G65816_TAG, 0 ) ROM_LOAD( "supercpu_dos_204.bin", 0x00000, 0x20000, CRC(f4151454) SHA1(6aa529a7b1b6de53e8979e407a77b4d5657727f5) ) ROM_END //------------------------------------------------- // rom_region - device-specific ROM region //------------------------------------------------- const rom_entry *c64_supercpu_device::device_rom_region() const { return ROM_NAME( c64_supercpu ); } //------------------------------------------------- // ADDRESS_MAP( c64_supercpu_map ) //------------------------------------------------- static ADDRESS_MAP_START( c64_supercpu_map, AS_PROGRAM, 8, c64_supercpu_device ) AM_RANGE(0x000000, 0x01ffff) AM_RAM AM_SHARE("sram") AM_RANGE(0x020000, 0xf7ffff) AM_RAM AM_SHARE("dimm") AM_RANGE(0xf80000, 0xf9ffff) AM_MIRROR(0x60000) AM_ROM AM_REGION(G65816_TAG, 0) ADDRESS_MAP_END //------------------------------------------------- // MACHINE_CONFIG_FRAGMENT( c64_supercpu ) //------------------------------------------------- static MACHINE_CONFIG_FRAGMENT( c64_supercpu ) MCFG_CPU_ADD(G65816_TAG, G65816, 1000000) MCFG_CPU_PROGRAM_MAP(c64_supercpu_map) MCFG_C64_PASSTHRU_EXPANSION_SLOT_ADD() MACHINE_CONFIG_END //------------------------------------------------- // machine_config_additions - device-specific // machine configurations //------------------------------------------------- machine_config_constructor c64_supercpu_device::device_mconfig_additions() const { return MACHINE_CONFIG_NAME( c64_supercpu ); } //------------------------------------------------- // INPUT_PORTS( c64_supercpu ) //------------------------------------------------- static INPUT_PORTS_START( c64_supercpu ) PORT_START("FRONT") PORT_DIPNAME( 0x01, 0x01, "Unit" ) PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) PORT_DIPSETTING( 0x01, DEF_STR( On ) ) PORT_DIPNAME( 0x02, 0x02, "JiffyDOS" ) PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) PORT_DIPSETTING( 0x02, DEF_STR( On ) ) PORT_DIPNAME( 0x04, 0x00, "Speed" ) PORT_DIPSETTING( 0x04, "Normal" ) PORT_DIPSETTING( 0x00, "Turbo" ) PORT_START("RESET") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_OTHER ) PORT_NAME("Reset") PORT_CODE(KEYCODE_F11) PORT_WRITE_LINE_DEVICE_MEMBER(DEVICE_SELF_OWNER, c64_expansion_slot_device, reset_w) INPUT_PORTS_END //------------------------------------------------- // input_ports - device-specific input ports //------------------------------------------------- ioport_constructor c64_supercpu_device::device_input_ports() const { return INPUT_PORTS_NAME( c64_supercpu ); } //************************************************************************** // LIVE DEVICE //************************************************************************** //------------------------------------------------- // c64_supercpu_device - constructor //------------------------------------------------- c64_supercpu_device::c64_supercpu_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) : device_t(mconfig, C64_SUPERCPU, "SuperCPU", tag, owner, clock, "c64_supercpu", __FILE__), device_c64_expansion_card_interface(mconfig, *this), m_maincpu(*this, G65816_TAG), m_exp(*this, C64_EXPANSION_SLOT_TAG), m_sram(*this, "sram"), m_dimm(*this, "dimm") { } //------------------------------------------------- // device_start - device-specific startup //------------------------------------------------- void c64_supercpu_device::device_start() { } //------------------------------------------------- // device_reset - device-specific reset //------------------------------------------------- void c64_supercpu_device::device_reset() { } //------------------------------------------------- // c64_cd_r - cartridge data read //------------------------------------------------- UINT8 c64_supercpu_device::c64_cd_r(address_space &space, offs_t offset, UINT8 data, int sphi2, int ba, int roml, int romh, int io1, int io2) { data = m_exp->cd_r(space, offset, data, sphi2, ba, roml, romh, io1, io2); switch (offset) { case 0xd0b0: data = 0x40; break; case 0xd0b1: break; case 0xd0b2: break; case 0xd0b3: case 0xd0b4: break; case 0xd0b5: break; case 0xd0b6: break; case 0xd0b7: break; case 0xd0b8: case 0xd0b9: break; case 0xd0ba: break; case 0xd0bb: break; case 0xd0bc: case 0xd0bd: case 0xd0be: case 0xd0bf: break; } return data; } //------------------------------------------------- // c64_cd_w - cartridge data write //------------------------------------------------- void c64_supercpu_device::c64_cd_w(address_space &space, offs_t offset, UINT8 data, int sphi2, int ba, int roml, int romh, int io1, int io2) { switch (offset) { case 0xd071: break; case 0xd072: break; case 0xd073: break; case 0xd074: case 0xd075: case 0xd076: case 0xd077: break; case 0xd078: break; case 0xd07a: break; case 0xd079: case 0xd07b: break; case 0xd07c: break; case 0xd07d: case 0xd07f: break; case 0xd0b0: case 0xd0b1: break; case 0xd0b2: break; case 0xd0b3: break; case 0xd0b4: break; case 0xd0b5: break; case 0xd0b6: break; case 0xd0b7: break; case 0xd0b8: break; case 0xd0b9: case 0xd0ba: case 0xd0bb: break; case 0xd0bc: break; case 0xd0be: break; case 0xd0bd: case 0xd0bf: break; } m_exp->cd_w(space, offset, data, sphi2, ba, roml, romh, io1, io2); } //------------------------------------------------- // c64_game_r - GAME read //------------------------------------------------- int c64_supercpu_device::c64_game_r(offs_t offset, int sphi2, int ba, int rw) { return m_exp->game_r(offset, sphi2, ba, rw, m_slot->hiram()); } //------------------------------------------------- // c64_exrom_r - EXROM read //------------------------------------------------- int c64_supercpu_device::c64_exrom_r(offs_t offset, int sphi2, int ba, int rw) { return m_exp->exrom_r(offset, sphi2, ba, rw, m_slot->hiram()); }