/********************************************************************** SSE SoftBox emulation Copyright MESS Team. Visit http://mamedev.org for licensing and usage restrictions. **********************************************************************/ #include "softbox.h" //************************************************************************** // MACROS / CONSTANTS //************************************************************************** #define Z80_TAG "z80" #define I8251_TAG "i8251" #define I8255_0_TAG "ic17" #define I8255_1_TAG "ic16" //************************************************************************** // DEVICE DEFINITIONS //************************************************************************** const device_type SOFTBOX = &device_creator; //------------------------------------------------- // ROM( softbox ) //------------------------------------------------- ROM_START( softbox ) ROM_REGION( 0x1000, Z80_TAG, 0 ) ROM_LOAD( "379.ic3", 0x000, 0x800, CRC(7b5a737c) SHA1(2348590884b026b7647f6864af8c9ba1c6f8746b) ) // Revision 27-Oct-81 ROM_LOAD( "380.ic4", 0x800, 0x800, CRC(65a13029) SHA1(46de02e6f04be298047efeb412e00a5714dc21b3) ) // Revision 27-Oct-81 ROM_LOAD( "389.ic3", 0x000, 0x800, CRC(d66e581a) SHA1(2403e25c140c41b0e6d6975d39c9cd9d6f335048) ) // Revision 09-June-1983 ROM_LOAD( "390.ic4", 0x800, 0x800, CRC(abe6cb30) SHA1(4b26d5db36f828e01268f718799f145d09b449ad) ) // Revision 09-June-1983 ROM_END //------------------------------------------------- // rom_region - device-specific ROM region //------------------------------------------------- const rom_entry *softbox_device::device_rom_region() const { return ROM_NAME( softbox ); } //------------------------------------------------- // ADDRESS_MAP( softbox_mem ) //------------------------------------------------- static ADDRESS_MAP_START( softbox_mem, AS_PROGRAM, 8, softbox_device ) AM_RANGE(0x0000, 0x0fff) AM_ROM AM_REGION(Z80_TAG, 0) AM_RANGE(0x1000, 0xefff) AM_RAM AM_RANGE(0xf000, 0xffff) AM_ROM AM_REGION(Z80_TAG, 0) ADDRESS_MAP_END //------------------------------------------------- // ADDRESS_MAP( softbox_io ) //------------------------------------------------- static ADDRESS_MAP_START( softbox_io, AS_IO, 8, softbox_device ) ADDRESS_MAP_GLOBAL_MASK(0xff) //AM_RANGE(0x, 0x) AM_DEVREADWRITE(I8251_TAG, i8251_device, data_r, data_w) //AM_RANGE(0x, 0x) AM_DEVREADWRITE(I8251_TAG, i8251_device, status_r, control_w) //AM_RANGE(0x, 0x) AM_DEVREADWRITE(I8255_0_TAG, i8255_device, read, write) //AM_RANGE(0x, 0x) AM_DEVREADWRITE(I8255_1_TAG, i8255_device, read, write) ADDRESS_MAP_END //------------------------------------------------- // I8255A_INTERFACE( ppi0_intf ) //------------------------------------------------- static const i8251_interface usart_intf = { DEVCB_NULL, DEVCB_NULL, DEVCB_NULL, DEVCB_NULL, DEVCB_NULL, DEVCB_NULL, DEVCB_NULL, DEVCB_NULL, DEVCB_NULL }; //------------------------------------------------- // I8255A_INTERFACE( ppi0_intf ) //------------------------------------------------- static I8255A_INTERFACE( ppi0_intf ) { DEVCB_NULL, // Port A read DEVCB_NULL, // Port A write DEVCB_NULL, // Port B read DEVCB_NULL, // Port B write DEVCB_NULL, // Port C read DEVCB_NULL // Port C write }; //------------------------------------------------- // I8255A_INTERFACE( ppi1_intf ) //------------------------------------------------- static I8255A_INTERFACE( ppi1_intf ) { DEVCB_NULL, // Port A read DEVCB_NULL, // Port A write DEVCB_NULL, // Port B read DEVCB_NULL, // Port B write DEVCB_NULL, // Port C read DEVCB_NULL // Port C write }; //------------------------------------------------- // MACHINE_CONFIG_FRAGMENT( softbox ) //------------------------------------------------- static MACHINE_CONFIG_FRAGMENT( softbox ) MCFG_CPU_ADD(Z80_TAG, Z80, 4000000) // ??? MCFG_CPU_PROGRAM_MAP(softbox_mem) MCFG_CPU_IO_MAP(softbox_io) MCFG_I8251_ADD(I8251_TAG, usart_intf) MCFG_I8255A_ADD(I8255_0_TAG, ppi0_intf) MCFG_I8255A_ADD(I8255_1_TAG, ppi1_intf) MACHINE_CONFIG_END //------------------------------------------------- // machine_config_additions - device-specific // machine configurations //------------------------------------------------- machine_config_constructor softbox_device::device_mconfig_additions() const { return MACHINE_CONFIG_NAME( softbox ); } //************************************************************************** // LIVE DEVICE //************************************************************************** //------------------------------------------------- // softbox_device - constructor //------------------------------------------------- softbox_device::softbox_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) : device_t(mconfig, SOFTBOX, "SoftBox", tag, owner, clock, "softbox", __FILE__), device_ieee488_interface(mconfig, *this), m_maincpu(*this, Z80_TAG) { } //------------------------------------------------- // device_start - device-specific startup //------------------------------------------------- void softbox_device::device_start() { } //------------------------------------------------- // device_reset - device-specific reset //------------------------------------------------- void softbox_device::device_reset() { } //------------------------------------------------- // ieee488_atn - attention //------------------------------------------------- void softbox_device::ieee488_atn(int state) { } //------------------------------------------------- // ieee488_ifc - interface clear //------------------------------------------------- void softbox_device::ieee488_ifc(int state) { }