/*************************************************************************** CCS Model 2422B 11/12/2009 Skeleton driver. It requires a floppy disk to boot from. ****************************************************************************/ #include "emu.h" #include "cpu/z80/z80.h" #include "machine/terminal.h" class ccs2422_state : public driver_device { public: ccs2422_state(const machine_config &mconfig, device_type type, const char *tag) : driver_device(mconfig, type, tag), m_maincpu(*this, "maincpu"), m_terminal(*this, TERMINAL_TAG) , m_ccs_ram(*this, "ccs_ram"){ } required_device m_maincpu; required_device m_terminal; DECLARE_READ8_MEMBER( ccs2422_10_r ); DECLARE_READ8_MEMBER( ccs2422_11_r ); DECLARE_WRITE8_MEMBER( ccs2422_10_w ); DECLARE_WRITE8_MEMBER( kbd_put ); required_shared_ptr m_ccs_ram; UINT8 m_term_data; virtual void machine_reset(); }; READ8_MEMBER( ccs2422_state::ccs2422_10_r ) { UINT8 ret = m_term_data; m_term_data = 0; return ret; } READ8_MEMBER( ccs2422_state::ccs2422_11_r ) { return (m_term_data) ? 5 : 4; } WRITE8_MEMBER( ccs2422_state::ccs2422_10_w ) { m_terminal->write(space, 0, data & 0x7f); } static ADDRESS_MAP_START(ccs2422_mem, AS_PROGRAM, 8, ccs2422_state) ADDRESS_MAP_UNMAP_HIGH AM_RANGE(0x0000, 0xffff) AM_RAM AM_SHARE("ccs_ram") ADDRESS_MAP_END static ADDRESS_MAP_START( ccs2422_io, AS_IO, 8, ccs2422_state) ADDRESS_MAP_UNMAP_HIGH ADDRESS_MAP_GLOBAL_MASK(0xff) AM_RANGE(0x10, 0x10) AM_READWRITE(ccs2422_10_r,ccs2422_10_w) AM_RANGE(0x11, 0x11) AM_READ(ccs2422_11_r) ADDRESS_MAP_END /* Input ports */ static INPUT_PORTS_START( ccs2422 ) INPUT_PORTS_END void ccs2422_state::machine_reset() { UINT8* user1 = memregion("user1")->base(); memcpy((UINT8*)m_ccs_ram, user1, 0x0800); // this should be rom/ram banking } WRITE8_MEMBER( ccs2422_state::kbd_put ) { m_term_data = data; } static GENERIC_TERMINAL_INTERFACE( terminal_intf ) { DEVCB_DRIVER_MEMBER(ccs2422_state, kbd_put) }; static MACHINE_CONFIG_START( ccs2422, ccs2422_state ) /* basic machine hardware */ MCFG_CPU_ADD("maincpu",Z80, XTAL_4MHz) MCFG_CPU_PROGRAM_MAP(ccs2422_mem) MCFG_CPU_IO_MAP(ccs2422_io) /* video hardware */ MCFG_GENERIC_TERMINAL_ADD(TERMINAL_TAG, terminal_intf) MACHINE_CONFIG_END /* ROM definition */ ROM_START( ccs2422 ) ROM_REGION( 0x10000, "user1", ROMREGION_ERASEFF ) ROM_LOAD( "2422b.u24", 0x0000, 0x0800, CRC(6cf22e31) SHA1(9aa3327cd8c23d0eab82cb6519891aff13ebe1d0)) ROM_LOAD( "2422.u23", 0x0900, 0x0100, CRC(b279cada) SHA1(6cc6e00ec49ba2245c8836d6f09266b09d6e7648)) ROM_LOAD( "2422.u22", 0x0a00, 0x0100, CRC(e41858bb) SHA1(0be53725032ebea16e32cb720f099551a357e761)) ROM_END /* Driver */ /* YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY FULLNAME FLAGS */ COMP( 19??, ccs2422, 0, 0, ccs2422, ccs2422, driver_device, 0, "California Computer Systems", "CCS Model 2422B", GAME_NOT_WORKING | GAME_NO_SOUND)