mirror of
https://github.com/holub/mame
synced 2025-06-07 13:23:50 +03:00
204 lines
5.6 KiB
C
204 lines
5.6 KiB
C
/**********************************************************************
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SSE SoftBox emulation
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Copyright MESS Team.
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Visit http://mamedev.org for licensing and usage restrictions.
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**********************************************************************/
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#include "softbox.h"
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//**************************************************************************
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// MACROS / CONSTANTS
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//**************************************************************************
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#define Z80_TAG "z80"
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#define I8251_TAG "i8251"
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#define I8255_0_TAG "ic17"
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#define I8255_1_TAG "ic16"
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//**************************************************************************
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// DEVICE DEFINITIONS
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//**************************************************************************
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const device_type SOFTBOX = &device_creator<softbox_device>;
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//-------------------------------------------------
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// ROM( softbox )
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//-------------------------------------------------
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ROM_START( softbox )
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ROM_REGION( 0x1000, Z80_TAG, 0 )
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ROM_LOAD( "379.ic3", 0x000, 0x800, CRC(7b5a737c) SHA1(2348590884b026b7647f6864af8c9ba1c6f8746b) ) // Revision 27-Oct-81
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ROM_LOAD( "380.ic4", 0x800, 0x800, CRC(65a13029) SHA1(46de02e6f04be298047efeb412e00a5714dc21b3) ) // Revision 27-Oct-81
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ROM_LOAD( "389.ic3", 0x000, 0x800, CRC(d66e581a) SHA1(2403e25c140c41b0e6d6975d39c9cd9d6f335048) ) // Revision 09-June-1983
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ROM_LOAD( "390.ic4", 0x800, 0x800, CRC(abe6cb30) SHA1(4b26d5db36f828e01268f718799f145d09b449ad) ) // Revision 09-June-1983
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ROM_END
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//-------------------------------------------------
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// rom_region - device-specific ROM region
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//-------------------------------------------------
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const rom_entry *softbox_device::device_rom_region() const
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{
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return ROM_NAME( softbox );
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}
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//-------------------------------------------------
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// ADDRESS_MAP( softbox_mem )
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//-------------------------------------------------
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static ADDRESS_MAP_START( softbox_mem, AS_PROGRAM, 8, softbox_device )
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AM_RANGE(0x0000, 0x0fff) AM_ROM AM_REGION(Z80_TAG, 0)
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AM_RANGE(0x1000, 0xefff) AM_RAM
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AM_RANGE(0xf000, 0xffff) AM_ROM AM_REGION(Z80_TAG, 0)
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ADDRESS_MAP_END
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//-------------------------------------------------
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// ADDRESS_MAP( softbox_io )
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//-------------------------------------------------
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static ADDRESS_MAP_START( softbox_io, AS_IO, 8, softbox_device )
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ADDRESS_MAP_GLOBAL_MASK(0xff)
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//AM_RANGE(0x, 0x) AM_DEVREADWRITE(I8251_TAG, i8251_device, data_r, data_w)
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//AM_RANGE(0x, 0x) AM_DEVREADWRITE(I8251_TAG, i8251_device, status_r, control_w)
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//AM_RANGE(0x, 0x) AM_DEVREADWRITE(I8255_0_TAG, i8255_device, read, write)
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//AM_RANGE(0x, 0x) AM_DEVREADWRITE(I8255_1_TAG, i8255_device, read, write)
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ADDRESS_MAP_END
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//-------------------------------------------------
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// I8255A_INTERFACE( ppi0_intf )
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//-------------------------------------------------
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static const i8251_interface usart_intf =
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{
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DEVCB_NULL,
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DEVCB_NULL,
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DEVCB_NULL,
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DEVCB_NULL,
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DEVCB_NULL,
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DEVCB_NULL,
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DEVCB_NULL,
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DEVCB_NULL,
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DEVCB_NULL
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};
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//-------------------------------------------------
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// I8255A_INTERFACE( ppi0_intf )
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//-------------------------------------------------
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static I8255A_INTERFACE( ppi0_intf )
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{
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DEVCB_NULL, // Port A read
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DEVCB_NULL, // Port A write
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DEVCB_NULL, // Port B read
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DEVCB_NULL, // Port B write
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DEVCB_NULL, // Port C read
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DEVCB_NULL // Port C write
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};
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//-------------------------------------------------
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// I8255A_INTERFACE( ppi1_intf )
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//-------------------------------------------------
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static I8255A_INTERFACE( ppi1_intf )
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{
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DEVCB_NULL, // Port A read
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DEVCB_NULL, // Port A write
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DEVCB_NULL, // Port B read
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DEVCB_NULL, // Port B write
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DEVCB_NULL, // Port C read
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DEVCB_NULL // Port C write
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};
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//-------------------------------------------------
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// MACHINE_CONFIG_FRAGMENT( softbox )
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//-------------------------------------------------
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static MACHINE_CONFIG_FRAGMENT( softbox )
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MCFG_CPU_ADD(Z80_TAG, Z80, 4000000) // ???
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MCFG_CPU_PROGRAM_MAP(softbox_mem)
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MCFG_CPU_IO_MAP(softbox_io)
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MCFG_I8251_ADD(I8251_TAG, usart_intf)
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MCFG_I8255A_ADD(I8255_0_TAG, ppi0_intf)
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MCFG_I8255A_ADD(I8255_1_TAG, ppi1_intf)
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MACHINE_CONFIG_END
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//-------------------------------------------------
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// machine_config_additions - device-specific
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// machine configurations
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//-------------------------------------------------
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machine_config_constructor softbox_device::device_mconfig_additions() const
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{
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return MACHINE_CONFIG_NAME( softbox );
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}
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//**************************************************************************
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// LIVE DEVICE
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//**************************************************************************
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//-------------------------------------------------
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// softbox_device - constructor
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//-------------------------------------------------
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softbox_device::softbox_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
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: device_t(mconfig, SOFTBOX, "SoftBox", tag, owner, clock),
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device_ieee488_interface(mconfig, *this),
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m_maincpu(*this, Z80_TAG)
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{
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}
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//-------------------------------------------------
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// device_start - device-specific startup
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//-------------------------------------------------
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void softbox_device::device_start()
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{
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}
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//-------------------------------------------------
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// device_reset - device-specific reset
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//-------------------------------------------------
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void softbox_device::device_reset()
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{
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}
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//-------------------------------------------------
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// ieee488_atn - attention
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//-------------------------------------------------
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void softbox_device::ieee488_atn(int state)
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{
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}
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//-------------------------------------------------
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// ieee488_ifc - interface clear
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//-------------------------------------------------
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void softbox_device::ieee488_ifc(int state)
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{
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}
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