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https://github.com/holub/mame
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228 lines
6.1 KiB
C
228 lines
6.1 KiB
C
/*
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* cpc_ssa1.c -- Amstrad SSA-1 Speech Synthesiser, dk'Tronics Speech Synthesiser
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*
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* Created on: 16/07/2011
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*
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*/
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#include "emu.h"
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#include "cpc_ssa1.h"
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#include "includes/amstrad.h"
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//**************************************************************************
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// DEVICE DEFINITIONS
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//**************************************************************************
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const device_type CPC_SSA1 = &device_creator<cpc_ssa1_device>;
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const device_type CPC_DKSPEECH = &device_creator<cpc_dkspeech_device>;
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CPC_EXPANSION_INTERFACE(sub_exp_intf)
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{
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DEVCB_LINE(cpc_irq_w),
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DEVCB_LINE(cpc_nmi_w),
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DEVCB_NULL, // RESET
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DEVCB_LINE(cpc_romdis), // ROMDIS
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DEVCB_LINE(cpc_romen) // /ROMEN
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};
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//-------------------------------------------------
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// device I/O handlers
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//-------------------------------------------------
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READ8_MEMBER(cpc_ssa1_device::ssa1_r)
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{
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UINT8 ret = 0xff;
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if(get_sby() == 0)
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ret &= ~0x80;
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if(get_lrq() != 0)
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ret &= ~0x40;
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return ret;
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}
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WRITE8_MEMBER(cpc_ssa1_device::ssa1_w)
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{
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sp0256_ALD_w(m_sp0256_device,0,data);
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}
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READ8_MEMBER(cpc_dkspeech_device::dkspeech_r)
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{
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UINT8 ret = 0xff;
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// SBY is not connected
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if(get_lrq() != 0)
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ret &= ~0x80;
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return ret;
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}
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WRITE8_MEMBER(cpc_dkspeech_device::dkspeech_w)
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{
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sp0256_ALD_w(m_sp0256_device,0,data & 0x3f);
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}
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WRITE_LINE_MEMBER(cpc_ssa1_device::lrq_cb)
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{
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set_lrq(state);
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}
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WRITE_LINE_MEMBER(cpc_ssa1_device::sby_cb)
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{
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set_sby(state);
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}
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WRITE_LINE_MEMBER(cpc_dkspeech_device::lrq_cb)
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{
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set_lrq(state);
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}
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WRITE_LINE_MEMBER(cpc_dkspeech_device::sby_cb)
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{
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set_sby(state);
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}
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static sp0256_interface sp0256_intf =
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{
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DEVCB_DEVICE_LINE_MEMBER(DEVICE_SELF_OWNER,cpc_ssa1_device,lrq_cb),
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DEVCB_DEVICE_LINE_MEMBER(DEVICE_SELF_OWNER,cpc_ssa1_device,sby_cb)
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};
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static sp0256_interface sp0256_dk_intf =
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{
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DEVCB_DEVICE_LINE_MEMBER(DEVICE_SELF_OWNER,cpc_dkspeech_device,lrq_cb),
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DEVCB_DEVICE_LINE_MEMBER(DEVICE_SELF_OWNER,cpc_dkspeech_device,sby_cb)
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};
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//-------------------------------------------------
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// Device ROM definition
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//-------------------------------------------------
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// Has no actual ROM, just that internal to the SP0256
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ROM_START( cpc_ssa1 )
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ROM_REGION( 0x10000, "sp0256", 0 )
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ROM_LOAD( "sp0256-al2.bin", 0x1000, 0x0800, CRC(b504ac15) SHA1(e60fcb5fa16ff3f3b69d36c7a6e955744d3feafc) )
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ROM_END
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// Available in ROM and cassette versions. For now, we'll let the user choose to load the software via ROM (using a ROM box slot device) or cassette.
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ROM_START( cpc_dkspeech )
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ROM_REGION( 0x10000, "sp0256", 0 )
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ROM_LOAD( "sp0256-al2.bin", 0x1000, 0x0800, CRC(b504ac15) SHA1(e60fcb5fa16ff3f3b69d36c7a6e955744d3feafc) )
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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 *cpc_ssa1_device::device_rom_region() const
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{
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return ROM_NAME( cpc_ssa1 );
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}
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const rom_entry *cpc_dkspeech_device::device_rom_region() const
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{
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return ROM_NAME( cpc_dkspeech );
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}
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// device machine config
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static MACHINE_CONFIG_FRAGMENT( cpc_ssa1 )
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MCFG_SPEAKER_STANDARD_MONO("mono")
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MCFG_SOUND_ADD("sp0256",SP0256,XTAL_3_12MHz)
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MCFG_SOUND_CONFIG(sp0256_intf)
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MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.00)
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// pass-through
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MCFG_CPC_EXPANSION_SLOT_ADD("exp",sub_exp_intf,cpc_exp_cards,NULL,NULL)
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MACHINE_CONFIG_END
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static MACHINE_CONFIG_FRAGMENT( cpc_dkspeech )
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MCFG_SPEAKER_STANDARD_MONO("mono")
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MCFG_SOUND_ADD("sp0256",SP0256,XTAL_4MHz) // uses the CPC's clock from pin 50 of the expansion port
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MCFG_SOUND_CONFIG(sp0256_dk_intf)
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MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.00)
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// pass-through
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MCFG_CPC_EXPANSION_SLOT_ADD("exp",sub_exp_intf,cpc_exp_cards,NULL,NULL)
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MACHINE_CONFIG_END
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machine_config_constructor cpc_ssa1_device::device_mconfig_additions() const
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{
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return MACHINE_CONFIG_NAME( cpc_ssa1 );
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}
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machine_config_constructor cpc_dkspeech_device::device_mconfig_additions() const
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{
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return MACHINE_CONFIG_NAME( cpc_dkspeech );
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}
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//**************************************************************************
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// LIVE DEVICE
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//**************************************************************************
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cpc_ssa1_device::cpc_ssa1_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) :
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device_t(mconfig, CPC_SSA1, "SSA-1", tag, owner, clock),
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device_cpc_expansion_card_interface(mconfig, *this),
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m_lrq(1),
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m_sp0256_device(*this,"sp0256")
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{
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}
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cpc_dkspeech_device::cpc_dkspeech_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) :
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device_t(mconfig, CPC_DKSPEECH, "DK'Tronics Speech Synthesiser", tag, owner, clock),
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device_cpc_expansion_card_interface(mconfig, *this),
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m_lrq(1),
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m_sp0256_device(*this,"sp0256")
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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 cpc_ssa1_device::device_start()
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{
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device_t* cpu = machine().device("maincpu");
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address_space* space = cpu->memory().space(AS_IO);
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m_slot = dynamic_cast<cpc_expansion_slot_device *>(owner());
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m_rom = memregion("sp0256")->base();
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// m_sp0256_device = subdevice("sp0256");
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space->install_readwrite_handler(0xfaee,0xfaee,0,0,read8_delegate(FUNC(cpc_ssa1_device::ssa1_r),this),write8_delegate(FUNC(cpc_ssa1_device::ssa1_w),this));
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space->install_readwrite_handler(0xfbee,0xfbee,0,0,read8_delegate(FUNC(cpc_ssa1_device::ssa1_r),this),write8_delegate(FUNC(cpc_ssa1_device::ssa1_w),this));
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}
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void cpc_dkspeech_device::device_start()
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{
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device_t* cpu = machine().device("maincpu");
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address_space* space = cpu->memory().space(AS_IO);
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m_slot = dynamic_cast<cpc_expansion_slot_device *>(owner());
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m_rom = memregion("sp0256")->base();
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// m_sp0256_device = subdevice("sp0256");
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space->install_readwrite_handler(0xfbfe,0xfbfe,0,0,read8_delegate(FUNC(cpc_dkspeech_device::dkspeech_r),this),write8_delegate(FUNC(cpc_dkspeech_device::dkspeech_w),this));
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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 cpc_ssa1_device::device_reset()
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{
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m_sp0256_device->reset();
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}
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void cpc_dkspeech_device::device_reset()
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{
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m_sp0256_device->reset();
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}
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