mirror of
https://github.com/holub/mame
synced 2025-04-18 22:49:58 +03:00
svi318: rewrite banking, add expander bus, add svi601 super expander and
slot modules for the sv801 disk controller, sv803 16k memory epansion and the sv807 64k memory expansion
This commit is contained in:
Dirk Best
parent
3326bc6fab
commit
59a41ff1d7
@ -2587,3 +2587,39 @@ if (BUSES["NEWBRAIN"]~=null) then
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MAME_DIR .. "src/devices/bus/newbrain/fdc.h",
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}
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end
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---------------------------------------------------
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--
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--@src/devices/bus/svi3x8/expander/expander.h,BUSES["SVI_EXPANDER"] = true
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---------------------------------------------------
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if (BUSES["SVI_EXPANDER"]~=null) then
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files {
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MAME_DIR .. "src/devices/bus/svi3x8/expander/expander.cpp",
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MAME_DIR .. "src/devices/bus/svi3x8/expander/expander.h",
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MAME_DIR .. "src/devices/bus/svi3x8/expander/modules.cpp",
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MAME_DIR .. "src/devices/bus/svi3x8/expander/modules.h",
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MAME_DIR .. "src/devices/bus/svi3x8/expander/sv601.cpp",
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MAME_DIR .. "src/devices/bus/svi3x8/expander/sv601.h",
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}
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end
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---------------------------------------------------
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--
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--@src/devices/bus/svi3x8/slot/slot.h,BUSES["SVI_SLOT"] = true
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---------------------------------------------------
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if (BUSES["SVI_SLOT"]~=null) then
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files {
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MAME_DIR .. "src/devices/bus/svi3x8/slot/slot.cpp",
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MAME_DIR .. "src/devices/bus/svi3x8/slot/slot.h",
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MAME_DIR .. "src/devices/bus/svi3x8/slot/cards.cpp",
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MAME_DIR .. "src/devices/bus/svi3x8/slot/cards.h",
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MAME_DIR .. "src/devices/bus/svi3x8/slot/sv801.cpp",
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MAME_DIR .. "src/devices/bus/svi3x8/slot/sv801.h",
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MAME_DIR .. "src/devices/bus/svi3x8/slot/sv803.cpp",
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MAME_DIR .. "src/devices/bus/svi3x8/slot/sv803.h",
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MAME_DIR .. "src/devices/bus/svi3x8/slot/sv807.cpp",
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MAME_DIR .. "src/devices/bus/svi3x8/slot/sv807.h",
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}
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end
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@ -652,6 +652,8 @@ BUSES["SMS_EXP"] = true
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BUSES["SNES"] = true
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BUSES["SNES_CTRL"] = true
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BUSES["SPC1000"] = true
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BUSES["SVI_EXPANDER"] = true
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BUSES["SVI_SLOT"] = true
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BUSES["TI99PEB"] = true
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BUSES["TI99X"] = true
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BUSES["TIKI100"] = true
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151
src/devices/bus/svi3x8/expander/expander.cpp
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151
src/devices/bus/svi3x8/expander/expander.cpp
Normal file
@ -0,0 +1,151 @@
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// license:GPL-2.0+
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// copyright-holders:Dirk Best
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/***************************************************************************
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SVI 318/328 Expansion Slot
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50-pin slot
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***************************************************************************/
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#include "expander.h"
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//**************************************************************************
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// DEVICE DEFINITIONS
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//**************************************************************************
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const device_type SVI_EXPANDER = &device_creator<svi_expander_device>;
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//**************************************************************************
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// SLOT DEVICE
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//**************************************************************************
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//-------------------------------------------------
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// svi_expander_device - constructor
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//-------------------------------------------------
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svi_expander_device::svi_expander_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) :
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device_t(mconfig, SVI_EXPANDER, "SVI 318/328 Expander Bus", tag, owner, clock, "svi_expander", __FILE__),
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device_slot_interface(mconfig, *this),
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m_module(nullptr),
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m_int_handler(*this),
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m_romdis_handler(*this),
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m_ramdis_handler(*this),
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m_ctrl1_handler(*this),
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m_ctrl2_handler(*this)
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{
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}
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//-------------------------------------------------
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// svi_expander_device - destructor
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//-------------------------------------------------
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svi_expander_device::~svi_expander_device()
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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 svi_expander_device::device_start()
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{
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// get inserted module
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m_module = dynamic_cast<device_svi_expander_interface *>(get_card_device());
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// resolve callbacks
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m_int_handler.resolve_safe();
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m_romdis_handler.resolve_safe();
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m_ramdis_handler.resolve_safe();
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m_ctrl1_handler.resolve_safe();
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m_ctrl2_handler.resolve_safe();
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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 svi_expander_device::device_reset()
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{
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}
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//-------------------------------------------------
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// host to module interface
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//-------------------------------------------------
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READ8_MEMBER( svi_expander_device::mreq_r )
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{
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if (m_module)
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return m_module->mreq_r(space, offset);
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return 0xff;
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}
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WRITE8_MEMBER( svi_expander_device::mreq_w )
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{
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if (m_module)
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m_module->mreq_w(space, offset, data);
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}
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READ8_MEMBER( svi_expander_device::iorq_r )
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{
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if (m_module)
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return m_module->iorq_r(space, offset);
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return 0xff;
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}
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WRITE8_MEMBER( svi_expander_device::iorq_w )
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{
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if (m_module)
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m_module->iorq_w(space, offset, data);
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}
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WRITE_LINE_MEMBER( svi_expander_device::bk21_w )
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{
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if (m_module)
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m_module->bk21_w(state);
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}
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WRITE_LINE_MEMBER( svi_expander_device::bk22_w )
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{
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if (m_module)
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m_module->bk22_w(state);
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}
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WRITE_LINE_MEMBER( svi_expander_device::bk31_w )
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{
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if (m_module)
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m_module->bk31_w(state);
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}
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WRITE_LINE_MEMBER( svi_expander_device::bk32_w )
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{
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if (m_module)
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m_module->bk32_w(state);
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}
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//**************************************************************************
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// CARTRIDGE INTERFACE
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//**************************************************************************
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//-------------------------------------------------
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// device_svi_expander_interface - constructor
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//-------------------------------------------------
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device_svi_expander_interface::device_svi_expander_interface(const machine_config &mconfig, device_t &device) :
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device_slot_card_interface(mconfig, device)
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{
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m_expander = dynamic_cast<svi_expander_device *>(device.owner());
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}
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//-------------------------------------------------
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// ~device_expansion_interface - destructor
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//-------------------------------------------------
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device_svi_expander_interface::~device_svi_expander_interface()
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{
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}
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162
src/devices/bus/svi3x8/expander/expander.h
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162
src/devices/bus/svi3x8/expander/expander.h
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@ -0,0 +1,162 @@
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// license:GPL-2.0+
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// copyright-holders:Dirk Best
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/***************************************************************************
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SVI 318/328 Expander Slot
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50-pin slot
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1 +5V 2 /CNTRL2
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3 +12V 4 -12V
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5 /CNTRL1 6 /WAIT
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7 /RST 8 CPUCLK
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9 A15 10 A14
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11 A13 12 A12
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13 A11 14 A10
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15 A9 16 A8
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17 A7 18 A6
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19 A5 20 A4
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21 A3 22 A2
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23 A1 24 A0
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25 /RFSH 26 /EXCSR
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27 /M1 28 /EXCSW
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29 /WR 30 /MREQ
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31 /IORQ 32 /RD
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33 D0 34 D1
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35 D2 36 D3
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37 D4 38 D5
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39 D6 40 D7
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41 CSOUND 42 /INT
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43 /RAMDIS 44 /ROMDIS
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45 /BK32 46 /BK31
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47 /BK22 48 /BK21
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49 GND 50 GND
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***************************************************************************/
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#pragma once
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#ifndef __SVI3X8_EXPANDER_H__
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#define __SVI3X8_EXPANDER_H__
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#include "emu.h"
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//**************************************************************************
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// INTERFACE CONFIGURATION MACROS
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//**************************************************************************
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#define MCFG_SVI_EXPANDER_BUS_ADD(_tag) \
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MCFG_DEVICE_ADD(_tag, SVI_EXPANDER, 0) \
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MCFG_DEVICE_SLOT_INTERFACE(svi_expander_modules, NULL, false) \
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#define MCFG_SVI_EXPANDER_INT_HANDLER(_devcb) \
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devcb = &svi_expander_device::set_int_handler(*device, DEVCB_##_devcb);
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#define MCFG_SVI_EXPANDER_ROMDIS_HANDLER(_devcb) \
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devcb = &svi_expander_device::set_romdis_handler(*device, DEVCB_##_devcb);
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#define MCFG_SVI_EXPANDER_RAMDIS_HANDLER(_devcb) \
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devcb = &svi_expander_device::set_ramdis_handler(*device, DEVCB_##_devcb);
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#define MCFG_SVI_EXPANDER_CTRL1_HANDLER(_devcb) \
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devcb = &svi_expander_device::set_ctrl1_handler(*device, DEVCB_##_devcb);
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#define MCFG_SVI_EXPANDER_CTRL2_HANDLER(_devcb) \
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devcb = &svi_expander_device::set_ctrl2_handler(*device, DEVCB_##_devcb);
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//**************************************************************************
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// TYPE DEFINITIONS
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//**************************************************************************
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class device_svi_expander_interface;
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// ======================> svi_expander_device
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class svi_expander_device : public device_t, public device_slot_interface
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{
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public:
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// construction/destruction
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svi_expander_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
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virtual ~svi_expander_device();
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// callbacks
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template<class _Object> static devcb_base &set_int_handler(device_t &device, _Object object)
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{ return downcast<svi_expander_device &>(device).m_int_handler.set_callback(object); }
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template<class _Object> static devcb_base &set_romdis_handler(device_t &device, _Object object)
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{ return downcast<svi_expander_device &>(device).m_romdis_handler.set_callback(object); }
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template<class _Object> static devcb_base &set_ramdis_handler(device_t &device, _Object object)
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{ return downcast<svi_expander_device &>(device).m_ramdis_handler.set_callback(object); }
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template<class _Object> static devcb_base &set_ctrl1_handler(device_t &device, _Object object)
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{ return downcast<svi_expander_device &>(device).m_ctrl1_handler.set_callback(object); }
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template<class _Object> static devcb_base &set_ctrl2_handler(device_t &device, _Object object)
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{ return downcast<svi_expander_device &>(device).m_ctrl2_handler.set_callback(object); }
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// called from cart device
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DECLARE_WRITE_LINE_MEMBER( int_w ) { m_int_handler(state); }
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DECLARE_WRITE_LINE_MEMBER( romdis_w ) { m_romdis_handler(state); }
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DECLARE_WRITE_LINE_MEMBER( ramdis_w ) { m_ramdis_handler(state); }
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DECLARE_WRITE_LINE_MEMBER( ctrl1_w ) { m_ctrl1_handler(state); }
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DECLARE_WRITE_LINE_MEMBER( ctrl2_w ) { m_ctrl2_handler(state); }
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// called from host
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DECLARE_READ8_MEMBER( mreq_r );
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DECLARE_WRITE8_MEMBER( mreq_w );
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DECLARE_READ8_MEMBER( iorq_r );
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DECLARE_WRITE8_MEMBER( iorq_w );
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DECLARE_WRITE_LINE_MEMBER( bk21_w );
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DECLARE_WRITE_LINE_MEMBER( bk22_w );
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DECLARE_WRITE_LINE_MEMBER( bk31_w );
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DECLARE_WRITE_LINE_MEMBER( bk32_w );
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protected:
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// device-level overrides
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virtual void device_start() override;
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virtual void device_reset() override;
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private:
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device_svi_expander_interface *m_module;
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devcb_write_line m_int_handler;
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devcb_write_line m_romdis_handler;
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devcb_write_line m_ramdis_handler;
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devcb_write_line m_ctrl1_handler;
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devcb_write_line m_ctrl2_handler;
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};
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// ======================> device_svi_expander_interface
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class device_svi_expander_interface : public device_slot_card_interface
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{
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public:
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// construction/destruction
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device_svi_expander_interface(const machine_config &mconfig, device_t &device);
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virtual ~device_svi_expander_interface();
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virtual DECLARE_READ8_MEMBER( mreq_r ) { return 0xff; };
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virtual DECLARE_WRITE8_MEMBER( mreq_w ){};
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virtual DECLARE_READ8_MEMBER( iorq_r ) { return 0xff; };
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virtual DECLARE_WRITE8_MEMBER( iorq_w ){};
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virtual void bk21_w(int state) {};
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virtual void bk22_w(int state) {};
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virtual void bk31_w(int state) {};
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virtual void bk32_w(int state) {};
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protected:
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svi_expander_device *m_expander;
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};
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// device type definition
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extern const device_type SVI_EXPANDER;
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// include here so drivers don't need to
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#include "modules.h"
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#endif // __SVI3X8_EXPANDER_H__
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13
src/devices/bus/svi3x8/expander/modules.cpp
Normal file
13
src/devices/bus/svi3x8/expander/modules.cpp
Normal file
@ -0,0 +1,13 @@
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// license:GPL-2.0+
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// copyright-holders:Dirk Best
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/***************************************************************************
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SVI 318/328 Expander Bus Modules
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***************************************************************************/
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#include "modules.h"
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SLOT_INTERFACE_START( svi_expander_modules )
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SLOT_INTERFACE("sv601", SV601)
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SLOT_INTERFACE_END
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19
src/devices/bus/svi3x8/expander/modules.h
Normal file
19
src/devices/bus/svi3x8/expander/modules.h
Normal file
@ -0,0 +1,19 @@
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// license:GPL-2.0+
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// copyright-holders:Dirk Best
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/***************************************************************************
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SVI 318/328 Expander Bus Modules
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***************************************************************************/
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#pragma once
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#ifndef __SVI_EXPANDER_MODULES_H__
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#define __SVI_EXPANDER_MODULES_H__
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#include "emu.h"
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#include "sv601.h"
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SLOT_INTERFACE_EXTERN( svi_expander_modules );
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#endif // __SVI_EXPANDER_MODULES_H__
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98
src/devices/bus/svi3x8/expander/sv601.cpp
Normal file
98
src/devices/bus/svi3x8/expander/sv601.cpp
Normal file
@ -0,0 +1,98 @@
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// license:GPL-2.0+
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// copyright-holders:Dirk Best
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/***************************************************************************
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SV-601 Super Expander for SVI-318/328
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***************************************************************************/
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#include "sv601.h"
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//**************************************************************************
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// CONSTANTS/MACROS
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//**************************************************************************
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#define VERBOSE 0
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//**************************************************************************
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// DEVICE DEFINITIONS
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//**************************************************************************
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const device_type SV601 = &device_creator<sv601_device>;
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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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static MACHINE_CONFIG_FRAGMENT( sv601 )
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MCFG_SVI_SLOT_BUS_ADD
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MCFG_SVI_SLOT_INT_HANDLER(WRITELINE(sv601_device, int_w))
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MCFG_SVI_SLOT_ROMDIS_HANDLER(WRITELINE(sv601_device, romdis_w))
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MCFG_SVI_SLOT_RAMDIS_HANDLER(WRITELINE(sv601_device, ramdis_w))
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MCFG_SVI_SLOT_ADD("0", NULL)
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MCFG_SVI_SLOT_ADD("1", NULL)
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MCFG_SVI_SLOT_ADD("2", NULL)
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MCFG_SVI_SLOT_ADD("3", NULL)
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MCFG_SVI_SLOT_ADD("4", NULL)
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MCFG_SVI_SLOT_ADD("5", NULL)
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MCFG_SVI_SLOT_ADD("6", NULL)
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MACHINE_CONFIG_END
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machine_config_constructor sv601_device::device_mconfig_additions() const
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{
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return MACHINE_CONFIG_NAME( sv601 );
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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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// sv601_device - constructor
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//-------------------------------------------------
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sv601_device::sv601_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) :
|
||||
device_t(mconfig, SV601, "SV-601 Super Expander", tag, owner, clock, "sv601", __FILE__),
|
||||
device_svi_expander_interface(mconfig, *this),
|
||||
m_slotbus(*this, "slotbus")
|
||||
{
|
||||
}
|
||||
|
||||
//-------------------------------------------------
|
||||
// device_start - device-specific startup
|
||||
//-------------------------------------------------
|
||||
|
||||
void sv601_device::device_start()
|
||||
{
|
||||
}
|
||||
|
||||
//-------------------------------------------------
|
||||
// device_reset - device-specific reset
|
||||
//-------------------------------------------------
|
||||
|
||||
void sv601_device::device_reset()
|
||||
{
|
||||
}
|
||||
|
||||
|
||||
//**************************************************************************
|
||||
// IMPLEMENTATION
|
||||
//**************************************************************************
|
||||
|
||||
WRITE_LINE_MEMBER( sv601_device::int_w ) { m_expander->int_w(state); }
|
||||
WRITE_LINE_MEMBER( sv601_device::romdis_w ) { m_expander->romdis_w(state); }
|
||||
WRITE_LINE_MEMBER( sv601_device::ramdis_w ) { m_expander->ramdis_w(state); }
|
||||
|
||||
READ8_MEMBER( sv601_device::mreq_r ) { return m_slotbus->mreq_r(space, offset); }
|
||||
WRITE8_MEMBER( sv601_device::mreq_w ) { m_slotbus->mreq_w(space, offset, data); }
|
||||
READ8_MEMBER( sv601_device::iorq_r ) { return m_slotbus->iorq_r(space, offset); }
|
||||
WRITE8_MEMBER( sv601_device::iorq_w ) { m_slotbus->iorq_w(space, offset, data); }
|
||||
|
||||
void sv601_device::bk21_w(int state) { m_slotbus->bk21_w(state); }
|
||||
void sv601_device::bk22_w(int state) { m_slotbus->bk22_w(state); }
|
||||
void sv601_device::bk31_w(int state) { m_slotbus->bk31_w(state); }
|
||||
void sv601_device::bk32_w(int state) { m_slotbus->bk32_w(state); }
|
||||
59
src/devices/bus/svi3x8/expander/sv601.h
Normal file
59
src/devices/bus/svi3x8/expander/sv601.h
Normal file
@ -0,0 +1,59 @@
|
||||
// license:GPL-2.0+
|
||||
// copyright-holders:Dirk Best
|
||||
/***************************************************************************
|
||||
|
||||
SV-601 Super Expander for SVI-318/328
|
||||
|
||||
***************************************************************************/
|
||||
|
||||
#pragma once
|
||||
|
||||
#ifndef __SVI3X8_EXPANDER_SV601_H__
|
||||
#define __SVI3X8_EXPANDER_SV601_H__
|
||||
|
||||
#include "emu.h"
|
||||
#include "expander.h"
|
||||
#include "bus/svi3x8/slot/slot.h"
|
||||
|
||||
|
||||
//**************************************************************************
|
||||
// TYPE DEFINITIONS
|
||||
//**************************************************************************
|
||||
|
||||
// ======================> sv601_device
|
||||
|
||||
class sv601_device : public device_t, public device_svi_expander_interface
|
||||
{
|
||||
public:
|
||||
// construction/destruction
|
||||
sv601_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
|
||||
|
||||
// from slots
|
||||
WRITE_LINE_MEMBER( int_w );
|
||||
WRITE_LINE_MEMBER( romdis_w );
|
||||
WRITE_LINE_MEMBER( ramdis_w );
|
||||
|
||||
// from host
|
||||
virtual DECLARE_READ8_MEMBER( mreq_r ) override;
|
||||
virtual DECLARE_WRITE8_MEMBER( mreq_w ) override;
|
||||
virtual DECLARE_READ8_MEMBER( iorq_r ) override;
|
||||
virtual DECLARE_WRITE8_MEMBER( iorq_w ) override;
|
||||
|
||||
virtual void bk21_w(int state) override;
|
||||
virtual void bk22_w(int state) override;
|
||||
virtual void bk31_w(int state) override;
|
||||
virtual void bk32_w(int state) override;
|
||||
|
||||
protected:
|
||||
virtual machine_config_constructor device_mconfig_additions() const override;
|
||||
virtual void device_start() override;
|
||||
virtual void device_reset() override;
|
||||
|
||||
private:
|
||||
required_device<svi_slot_bus_device> m_slotbus;
|
||||
};
|
||||
|
||||
// device type definition
|
||||
extern const device_type SV601;
|
||||
|
||||
#endif // __SVI3X8_EXPANDER_SV601_H__
|
||||
15
src/devices/bus/svi3x8/slot/cards.cpp
Normal file
15
src/devices/bus/svi3x8/slot/cards.cpp
Normal file
@ -0,0 +1,15 @@
|
||||
// license:GPL-2.0+
|
||||
// copyright-holders:Dirk Best
|
||||
/***************************************************************************
|
||||
|
||||
SVI 318/328 Slot Cards
|
||||
|
||||
***************************************************************************/
|
||||
|
||||
#include "cards.h"
|
||||
|
||||
SLOT_INTERFACE_START( svi_slot_cards )
|
||||
SLOT_INTERFACE("sv801", SV801)
|
||||
SLOT_INTERFACE("sv803", SV803)
|
||||
SLOT_INTERFACE("sv807", SV807)
|
||||
SLOT_INTERFACE_END
|
||||
21
src/devices/bus/svi3x8/slot/cards.h
Normal file
21
src/devices/bus/svi3x8/slot/cards.h
Normal file
@ -0,0 +1,21 @@
|
||||
// license:GPL-2.0+
|
||||
// copyright-holders:Dirk Best
|
||||
/***************************************************************************
|
||||
|
||||
SVI 318/328 Slot Cards
|
||||
|
||||
***************************************************************************/
|
||||
|
||||
#pragma once
|
||||
|
||||
#ifndef __SVI3X8_SLOT_CARDS_H__
|
||||
#define __SVI3X8_SLOT_CARDS_H__
|
||||
|
||||
#include "emu.h"
|
||||
#include "sv801.h"
|
||||
#include "sv803.h"
|
||||
#include "sv807.h"
|
||||
|
||||
SLOT_INTERFACE_EXTERN( svi_slot_cards );
|
||||
|
||||
#endif // __SVI3X8_SLOT_CARDS_H__
|
||||
284
src/devices/bus/svi3x8/slot/slot.cpp
Normal file
284
src/devices/bus/svi3x8/slot/slot.cpp
Normal file
@ -0,0 +1,284 @@
|
||||
// license:GPL-2.0+
|
||||
// copyright-holders:Dirk Best
|
||||
/***************************************************************************
|
||||
|
||||
SVI 318/328 Expansion Slot
|
||||
|
||||
***************************************************************************/
|
||||
|
||||
#include "slot.h"
|
||||
|
||||
|
||||
//**************************************************************************
|
||||
// SLOT BUS DEVICE
|
||||
//**************************************************************************
|
||||
|
||||
const device_type SVI_SLOT_BUS = &device_creator<svi_slot_bus_device>;
|
||||
|
||||
//-------------------------------------------------
|
||||
// svi_slot_bus_device - constructor
|
||||
//-------------------------------------------------
|
||||
|
||||
svi_slot_bus_device::svi_slot_bus_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) :
|
||||
device_t(mconfig, SVI_SLOT_BUS, "SVI Slot Bus", tag, owner, clock, "svislotbus", __FILE__),
|
||||
m_int_handler(*this),
|
||||
m_romdis_handler(*this),
|
||||
m_ramdis_handler(*this)
|
||||
{
|
||||
}
|
||||
|
||||
//-------------------------------------------------
|
||||
// svi_slot_bus_device - destructor
|
||||
//-------------------------------------------------
|
||||
|
||||
svi_slot_bus_device::~svi_slot_bus_device()
|
||||
{
|
||||
m_dev.detach_all();
|
||||
}
|
||||
|
||||
//-------------------------------------------------
|
||||
// device_start - device-specific startup
|
||||
//-------------------------------------------------
|
||||
|
||||
void svi_slot_bus_device::device_start()
|
||||
{
|
||||
// resolve callbacks
|
||||
m_int_handler.resolve_safe();
|
||||
m_romdis_handler.resolve_safe();
|
||||
m_ramdis_handler.resolve_safe();
|
||||
}
|
||||
|
||||
//-------------------------------------------------
|
||||
// device_reset - device-specific reset
|
||||
//-------------------------------------------------
|
||||
|
||||
void svi_slot_bus_device::device_reset()
|
||||
{
|
||||
}
|
||||
|
||||
//-------------------------------------------------
|
||||
// add_card - add new card to our bus
|
||||
//-------------------------------------------------
|
||||
|
||||
void svi_slot_bus_device::add_card(device_svi_slot_interface *card)
|
||||
{
|
||||
card->set_bus_device(this);
|
||||
m_dev.append(*card);
|
||||
}
|
||||
|
||||
//-------------------------------------------------
|
||||
// mreq_r - memory read from slot
|
||||
//-------------------------------------------------
|
||||
|
||||
READ8_MEMBER( svi_slot_bus_device::mreq_r )
|
||||
{
|
||||
device_svi_slot_interface *entry = m_dev.first();
|
||||
UINT8 data = 0xff;
|
||||
|
||||
romdis_w(1);
|
||||
ramdis_w(1);
|
||||
|
||||
while (entry)
|
||||
{
|
||||
data &= entry->mreq_r(space, offset);
|
||||
entry = entry->next();
|
||||
}
|
||||
|
||||
return data;
|
||||
}
|
||||
|
||||
//-------------------------------------------------
|
||||
// mreq_w - memory write to slot
|
||||
//-------------------------------------------------
|
||||
|
||||
WRITE8_MEMBER( svi_slot_bus_device::mreq_w )
|
||||
{
|
||||
device_svi_slot_interface *entry = m_dev.first();
|
||||
|
||||
romdis_w(1);
|
||||
ramdis_w(1);
|
||||
|
||||
while (entry)
|
||||
{
|
||||
entry->mreq_w(space, offset, data);
|
||||
entry = entry->next();
|
||||
}
|
||||
}
|
||||
|
||||
//-------------------------------------------------
|
||||
// iorq_r - memory read from slot
|
||||
//-------------------------------------------------
|
||||
|
||||
READ8_MEMBER( svi_slot_bus_device::iorq_r )
|
||||
{
|
||||
device_svi_slot_interface *entry = m_dev.first();
|
||||
UINT8 data = 0xff;
|
||||
|
||||
while (entry)
|
||||
{
|
||||
data &= entry->iorq_r(space, offset);
|
||||
entry = entry->next();
|
||||
}
|
||||
|
||||
return data;
|
||||
}
|
||||
|
||||
//-------------------------------------------------
|
||||
// iorq_w - memory write to slot
|
||||
//-------------------------------------------------
|
||||
|
||||
WRITE8_MEMBER( svi_slot_bus_device::iorq_w )
|
||||
{
|
||||
device_svi_slot_interface *entry = m_dev.first();
|
||||
|
||||
while (entry)
|
||||
{
|
||||
entry->iorq_w(space, offset, data);
|
||||
entry = entry->next();
|
||||
}
|
||||
}
|
||||
|
||||
//-------------------------------------------------
|
||||
// bk21_w - signal from host to slots
|
||||
//-------------------------------------------------
|
||||
|
||||
WRITE_LINE_MEMBER( svi_slot_bus_device::bk21_w )
|
||||
{
|
||||
device_svi_slot_interface *entry = m_dev.first();
|
||||
|
||||
while (entry)
|
||||
{
|
||||
entry->bk21_w(state);
|
||||
entry = entry->next();
|
||||
}
|
||||
}
|
||||
|
||||
//-------------------------------------------------
|
||||
// bk22_w - signal from host to slots
|
||||
//-------------------------------------------------
|
||||
|
||||
WRITE_LINE_MEMBER( svi_slot_bus_device::bk22_w )
|
||||
{
|
||||
device_svi_slot_interface *entry = m_dev.first();
|
||||
|
||||
while (entry)
|
||||
{
|
||||
entry->bk22_w(state);
|
||||
entry = entry->next();
|
||||
}
|
||||
}
|
||||
|
||||
//-------------------------------------------------
|
||||
// bk31_w - signal from host to slots
|
||||
//-------------------------------------------------
|
||||
|
||||
WRITE_LINE_MEMBER( svi_slot_bus_device::bk31_w )
|
||||
{
|
||||
device_svi_slot_interface *entry = m_dev.first();
|
||||
|
||||
while (entry)
|
||||
{
|
||||
entry->bk31_w(state);
|
||||
entry = entry->next();
|
||||
}
|
||||
}
|
||||
|
||||
//-------------------------------------------------
|
||||
// bk32_w - signal from host to slots
|
||||
//-------------------------------------------------
|
||||
|
||||
WRITE_LINE_MEMBER( svi_slot_bus_device::bk32_w )
|
||||
{
|
||||
device_svi_slot_interface *entry = m_dev.first();
|
||||
|
||||
while (entry)
|
||||
{
|
||||
entry->bk32_w(state);
|
||||
entry = entry->next();
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
//**************************************************************************
|
||||
// SVI SLOT DEVICE
|
||||
//**************************************************************************
|
||||
|
||||
const device_type SVI_SLOT = &device_creator<svi_slot_device>;
|
||||
|
||||
//-------------------------------------------------
|
||||
// svi_slot_device - constructor
|
||||
//-------------------------------------------------
|
||||
|
||||
svi_slot_device::svi_slot_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) :
|
||||
device_t(mconfig, SVI_SLOT, "SVI Slot", tag, owner, clock, "svislot", __FILE__),
|
||||
device_slot_interface(mconfig, *this),
|
||||
m_bus_tag(nullptr)
|
||||
{
|
||||
}
|
||||
|
||||
//-------------------------------------------------
|
||||
// set_bus - set owner bus tag
|
||||
//-------------------------------------------------
|
||||
|
||||
void svi_slot_device::set_bus(device_t &device, device_t *owner, const char *bus_tag)
|
||||
{
|
||||
svi_slot_device &card = dynamic_cast<svi_slot_device &>(device);
|
||||
card.m_owner = owner;
|
||||
card.m_bus_tag = bus_tag;
|
||||
}
|
||||
|
||||
//-------------------------------------------------
|
||||
// device_start - device-specific startup
|
||||
//-------------------------------------------------
|
||||
|
||||
void svi_slot_device::device_start()
|
||||
{
|
||||
device_svi_slot_interface *dev = dynamic_cast<device_svi_slot_interface *>(get_card_device());
|
||||
|
||||
if (dev)
|
||||
{
|
||||
svi_slot_bus_device *bus = downcast<svi_slot_bus_device *>(m_owner->subdevice(m_bus_tag));
|
||||
bus->add_card(dev);
|
||||
}
|
||||
}
|
||||
|
||||
//-------------------------------------------------
|
||||
// device_reset - device-specific reset
|
||||
//-------------------------------------------------
|
||||
|
||||
void svi_slot_device::device_reset()
|
||||
{
|
||||
}
|
||||
|
||||
|
||||
//**************************************************************************
|
||||
// CARD INTERFACE
|
||||
//**************************************************************************
|
||||
|
||||
//-------------------------------------------------
|
||||
// device_svi_slot_interface - constructor
|
||||
//-------------------------------------------------
|
||||
|
||||
device_svi_slot_interface::device_svi_slot_interface(const machine_config &mconfig, device_t &device) :
|
||||
device_slot_card_interface(mconfig, device),
|
||||
m_next(nullptr),
|
||||
m_bus(nullptr)
|
||||
{
|
||||
}
|
||||
|
||||
//-------------------------------------------------
|
||||
// ~device_svi_slot_interface - destructor
|
||||
//-------------------------------------------------
|
||||
|
||||
device_svi_slot_interface::~device_svi_slot_interface()
|
||||
{
|
||||
}
|
||||
|
||||
//-------------------------------------------------
|
||||
// set_bus_device - set bus we are attached to
|
||||
//-------------------------------------------------
|
||||
|
||||
void device_svi_slot_interface::set_bus_device(svi_slot_bus_device *bus)
|
||||
{
|
||||
m_bus = bus;
|
||||
}
|
||||
178
src/devices/bus/svi3x8/slot/slot.h
Normal file
178
src/devices/bus/svi3x8/slot/slot.h
Normal file
@ -0,0 +1,178 @@
|
||||
// license:GPL-2.0+
|
||||
// copyright-holders:Dirk Best
|
||||
/***************************************************************************
|
||||
|
||||
SVI 318/328 Expansion Slot
|
||||
|
||||
50-pin slot
|
||||
|
||||
1 +5V 2 +5V
|
||||
3 +12V 4 -12V
|
||||
5 GND 6 /WAIT
|
||||
7 /RST 8 CPUCLK
|
||||
9 A15 10 A14
|
||||
11 A13 12 A12
|
||||
13 A11 14 A10
|
||||
15 A9 16 A8
|
||||
17 A7 18 A6
|
||||
19 A5 20 A4
|
||||
21 A3 22 A2
|
||||
23 A1 24 A0
|
||||
25 /RFSH 26 GND
|
||||
27 /M1 28 GND
|
||||
29 /WR 30 /MREQ
|
||||
31 /IORQ 32 /RD
|
||||
33 D0 34 D1
|
||||
35 D2 36 D3
|
||||
37 D4 38 D5
|
||||
39 D6 40 D7
|
||||
41 CSOUND 42 /INT
|
||||
43 /RAMDIS 44 /ROMDIS
|
||||
45 /BK32 46 /BK31
|
||||
47 /BK22 48 /BK21
|
||||
49 GND 50 GND
|
||||
|
||||
***************************************************************************/
|
||||
|
||||
#pragma once
|
||||
|
||||
#ifndef __SVI3X8_SLOT_H__
|
||||
#define __SVI3X8_SLOT_H__
|
||||
|
||||
#include "emu.h"
|
||||
|
||||
|
||||
//**************************************************************************
|
||||
// INTERFACE CONFIGURATION MACROS
|
||||
//**************************************************************************
|
||||
|
||||
#define MCFG_SVI_SLOT_BUS_ADD \
|
||||
MCFG_DEVICE_ADD("slotbus", SVI_SLOT_BUS, 0)
|
||||
|
||||
#define MCFG_SVI_SLOT_ADD(_tag, _def_slot) \
|
||||
MCFG_DEVICE_ADD(_tag, SVI_SLOT, 0) \
|
||||
MCFG_DEVICE_SLOT_INTERFACE(svi_slot_cards, _def_slot, false) \
|
||||
svi_slot_device::set_bus(*device, owner, "slotbus");
|
||||
|
||||
#define MCFG_SVI_SLOT_INT_HANDLER(_devcb) \
|
||||
devcb = &svi_slot_bus_device::set_int_handler(*device, DEVCB_##_devcb);
|
||||
|
||||
#define MCFG_SVI_SLOT_ROMDIS_HANDLER(_devcb) \
|
||||
devcb = &svi_slot_bus_device::set_romdis_handler(*device, DEVCB_##_devcb);
|
||||
|
||||
#define MCFG_SVI_SLOT_RAMDIS_HANDLER(_devcb) \
|
||||
devcb = &svi_slot_bus_device::set_ramdis_handler(*device, DEVCB_##_devcb);
|
||||
|
||||
|
||||
//**************************************************************************
|
||||
// TYPE DEFINITIONS
|
||||
//**************************************************************************
|
||||
|
||||
class device_svi_slot_interface;
|
||||
|
||||
// ======================> svi_slot_bus_device
|
||||
|
||||
class svi_slot_bus_device : public device_t
|
||||
{
|
||||
public:
|
||||
// construction/destruction
|
||||
svi_slot_bus_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
|
||||
virtual ~svi_slot_bus_device();
|
||||
|
||||
// callbacks
|
||||
template<class _Object> static devcb_base &set_int_handler(device_t &device, _Object object)
|
||||
{ return downcast<svi_slot_bus_device &>(device).m_int_handler.set_callback(object); }
|
||||
|
||||
template<class _Object> static devcb_base &set_romdis_handler(device_t &device, _Object object)
|
||||
{ return downcast<svi_slot_bus_device &>(device).m_romdis_handler.set_callback(object); }
|
||||
|
||||
template<class _Object> static devcb_base &set_ramdis_handler(device_t &device, _Object object)
|
||||
{ return downcast<svi_slot_bus_device &>(device).m_ramdis_handler.set_callback(object); }
|
||||
|
||||
// device-level overrides
|
||||
virtual void device_start() override;
|
||||
virtual void device_reset() override;
|
||||
|
||||
void add_card(device_svi_slot_interface *card);
|
||||
|
||||
// from slot
|
||||
DECLARE_WRITE_LINE_MEMBER( romdis_w ) { m_romdis_handler(state); };
|
||||
DECLARE_WRITE_LINE_MEMBER( ramdis_w ) { m_ramdis_handler(state); };
|
||||
|
||||
// from host
|
||||
DECLARE_READ8_MEMBER( mreq_r );
|
||||
DECLARE_WRITE8_MEMBER( mreq_w );
|
||||
DECLARE_READ8_MEMBER( iorq_r );
|
||||
DECLARE_WRITE8_MEMBER( iorq_w );
|
||||
|
||||
DECLARE_WRITE_LINE_MEMBER( bk21_w );
|
||||
DECLARE_WRITE_LINE_MEMBER( bk22_w );
|
||||
DECLARE_WRITE_LINE_MEMBER( bk31_w );
|
||||
DECLARE_WRITE_LINE_MEMBER( bk32_w );
|
||||
|
||||
private:
|
||||
simple_list<device_svi_slot_interface> m_dev;
|
||||
|
||||
devcb_write_line m_int_handler;
|
||||
devcb_write_line m_romdis_handler;
|
||||
devcb_write_line m_ramdis_handler;
|
||||
};
|
||||
|
||||
// device type definition
|
||||
extern const device_type SVI_SLOT_BUS;
|
||||
|
||||
// ======================> svi_slot_device
|
||||
|
||||
class svi_slot_device : public device_t, public device_slot_interface
|
||||
{
|
||||
public:
|
||||
// construction/destruction
|
||||
svi_slot_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
|
||||
|
||||
// inline configuration
|
||||
static void set_bus(device_t &device, device_t *owner, const char *bus_tag);
|
||||
|
||||
protected:
|
||||
// device-level overrides
|
||||
virtual void device_start() override;
|
||||
virtual void device_reset() override;
|
||||
|
||||
// configuration
|
||||
const char *m_bus_tag;
|
||||
};
|
||||
|
||||
// device type definition
|
||||
extern const device_type SVI_SLOT;
|
||||
|
||||
// ======================> svi_slot_device
|
||||
|
||||
class device_svi_slot_interface : public device_slot_card_interface
|
||||
{
|
||||
public:
|
||||
// construction/destruction
|
||||
device_svi_slot_interface(const machine_config &mconfig, device_t &device);
|
||||
virtual ~device_svi_slot_interface();
|
||||
|
||||
void set_bus_device(svi_slot_bus_device *bus);
|
||||
|
||||
device_svi_slot_interface *next() const { return m_next; }
|
||||
device_svi_slot_interface *m_next;
|
||||
|
||||
virtual DECLARE_READ8_MEMBER( mreq_r ) { return 0xff; };
|
||||
virtual DECLARE_WRITE8_MEMBER( mreq_w ) {};
|
||||
virtual DECLARE_READ8_MEMBER( iorq_r ) { return 0xff; };
|
||||
virtual DECLARE_WRITE8_MEMBER( iorq_w ) {};
|
||||
|
||||
virtual DECLARE_WRITE_LINE_MEMBER( bk21_w ) {};
|
||||
virtual DECLARE_WRITE_LINE_MEMBER( bk22_w ) {};
|
||||
virtual DECLARE_WRITE_LINE_MEMBER( bk31_w ) {};
|
||||
virtual DECLARE_WRITE_LINE_MEMBER( bk32_w ) {};
|
||||
|
||||
protected:
|
||||
svi_slot_bus_device *m_bus;
|
||||
};
|
||||
|
||||
// include here so drivers don't need to
|
||||
#include "cards.h"
|
||||
|
||||
#endif // __SVI3X8_SLOT_H__
|
||||
144
src/devices/bus/svi3x8/slot/sv801.cpp
Normal file
144
src/devices/bus/svi3x8/slot/sv801.cpp
Normal file
@ -0,0 +1,144 @@
|
||||
// license:GPL-2.0+
|
||||
// copyright-holders:Dirk Best
|
||||
/***************************************************************************
|
||||
|
||||
SV-801 Disk Controller
|
||||
|
||||
***************************************************************************/
|
||||
|
||||
#include "sv801.h"
|
||||
#include "softlist.h"
|
||||
#include "formats/svi_dsk.h"
|
||||
|
||||
|
||||
//**************************************************************************
|
||||
// DEVICE DEFINITIONS
|
||||
//**************************************************************************
|
||||
|
||||
const device_type SV801 = &device_creator<sv801_device>;
|
||||
|
||||
//-------------------------------------------------
|
||||
// machine_config_additions - device-specific
|
||||
// machine configurations
|
||||
//-------------------------------------------------
|
||||
|
||||
FLOPPY_FORMATS_MEMBER( sv801_device::floppy_formats )
|
||||
FLOPPY_SVI_FORMAT
|
||||
FLOPPY_FORMATS_END
|
||||
|
||||
static SLOT_INTERFACE_START( svi_floppies )
|
||||
SLOT_INTERFACE("dd", FLOPPY_525_DD)
|
||||
SLOT_INTERFACE_END
|
||||
|
||||
static MACHINE_CONFIG_FRAGMENT( sv801 )
|
||||
MCFG_FD1793_ADD("fdc", XTAL_1MHz)
|
||||
MCFG_WD_FDC_INTRQ_CALLBACK(WRITELINE(sv801_device, intrq_w))
|
||||
MCFG_WD_FDC_DRQ_CALLBACK(WRITELINE(sv801_device, drq_w))
|
||||
|
||||
MCFG_FLOPPY_DRIVE_ADD("fdc:0", svi_floppies, "dd", sv801_device::floppy_formats)
|
||||
MCFG_FLOPPY_DRIVE_ADD("fdc:1", svi_floppies, "dd", sv801_device::floppy_formats)
|
||||
|
||||
MCFG_SOFTWARE_LIST_ADD("disk_list", "svi318_flop")
|
||||
MACHINE_CONFIG_END
|
||||
|
||||
machine_config_constructor sv801_device::device_mconfig_additions() const
|
||||
{
|
||||
return MACHINE_CONFIG_NAME( sv801 );
|
||||
}
|
||||
|
||||
|
||||
//**************************************************************************
|
||||
// LIVE DEVICE
|
||||
//**************************************************************************
|
||||
|
||||
//-------------------------------------------------
|
||||
// sv801_device - constructor
|
||||
//-------------------------------------------------
|
||||
|
||||
sv801_device::sv801_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) :
|
||||
device_t(mconfig, SV801, "SV-801 Disk Controller", tag, owner, clock, "sv801", __FILE__),
|
||||
device_svi_slot_interface(mconfig, *this),
|
||||
m_fdc(*this, "fdc"),
|
||||
m_floppy0(*this, "fdc:0"),
|
||||
m_floppy1(*this, "fdc:1"),
|
||||
m_floppy(nullptr),
|
||||
m_irq(0), m_drq(0)
|
||||
{
|
||||
}
|
||||
|
||||
//-------------------------------------------------
|
||||
// device_start - device-specific startup
|
||||
//-------------------------------------------------
|
||||
|
||||
void sv801_device::device_start()
|
||||
{
|
||||
}
|
||||
|
||||
//-------------------------------------------------
|
||||
// device_reset - device-specific reset
|
||||
//-------------------------------------------------
|
||||
|
||||
void sv801_device::device_reset()
|
||||
{
|
||||
}
|
||||
|
||||
|
||||
//**************************************************************************
|
||||
// IMPLEMENTATION
|
||||
//**************************************************************************
|
||||
|
||||
WRITE_LINE_MEMBER( sv801_device::intrq_w )
|
||||
{
|
||||
m_irq = state;
|
||||
}
|
||||
|
||||
WRITE_LINE_MEMBER( sv801_device::drq_w )
|
||||
{
|
||||
m_drq = state;
|
||||
}
|
||||
|
||||
WRITE8_MEMBER( sv801_device::motor_w )
|
||||
{
|
||||
m_floppy = nullptr;
|
||||
|
||||
if (BIT(data, 0)) m_floppy = m_floppy0->get_device();
|
||||
if (BIT(data, 1)) m_floppy = m_floppy1->get_device();
|
||||
|
||||
m_fdc->set_floppy(m_floppy);
|
||||
|
||||
if (m_floppy0->get_device())
|
||||
m_floppy0->get_device()->mon_w(!BIT(data, 2));
|
||||
if (m_floppy1->get_device())
|
||||
m_floppy1->get_device()->mon_w(!BIT(data, 3));
|
||||
}
|
||||
|
||||
READ8_MEMBER( sv801_device::iorq_r )
|
||||
{
|
||||
switch (offset)
|
||||
{
|
||||
case 0x30: return m_fdc->status_r(space, 0);
|
||||
case 0x31: return m_fdc->track_r(space, 0);
|
||||
case 0x32: return m_fdc->sector_r(space, 0);
|
||||
case 0x33: return m_fdc->data_r(space, 0);
|
||||
case 0x34: return (m_drq << 6) | (m_irq << 7);
|
||||
}
|
||||
|
||||
return 0xff;
|
||||
}
|
||||
|
||||
WRITE8_MEMBER( sv801_device::iorq_w )
|
||||
{
|
||||
switch (offset)
|
||||
{
|
||||
case 0x30: m_fdc->cmd_w(space, 0, data); break;
|
||||
case 0x31: m_fdc->track_w(space, 0, data); break;
|
||||
case 0x32: m_fdc->sector_w(space, 0, data); break;
|
||||
case 0x33: m_fdc->data_w(space, 0, data); break;
|
||||
case 0x34: motor_w(space, 0, data); break;
|
||||
case 0x38:
|
||||
m_fdc->dden_w(BIT(data, 0));
|
||||
if (m_floppy)
|
||||
m_floppy->ss_w(BIT(data, 1));
|
||||
break;
|
||||
}
|
||||
}
|
||||
61
src/devices/bus/svi3x8/slot/sv801.h
Normal file
61
src/devices/bus/svi3x8/slot/sv801.h
Normal file
@ -0,0 +1,61 @@
|
||||
// license:GPL-2.0+
|
||||
// copyright-holders:Dirk Best
|
||||
/***************************************************************************
|
||||
|
||||
SV-801 Disk Controller
|
||||
|
||||
***************************************************************************/
|
||||
|
||||
#pragma once
|
||||
|
||||
#ifndef __SVI3X8_SLOT_SV801_H__
|
||||
#define __SVI3X8_SLOT_SV801_H__
|
||||
|
||||
#include "emu.h"
|
||||
#include "slot.h"
|
||||
#include "machine/wd_fdc.h"
|
||||
#include "imagedev/floppy.h"
|
||||
|
||||
|
||||
//**************************************************************************
|
||||
// TYPE DEFINITIONS
|
||||
//**************************************************************************
|
||||
|
||||
// ======================> sv801_device
|
||||
|
||||
class sv801_device : public device_t, public device_svi_slot_interface
|
||||
{
|
||||
public:
|
||||
// construction/destruction
|
||||
sv801_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
|
||||
|
||||
DECLARE_FLOPPY_FORMATS(floppy_formats);
|
||||
|
||||
virtual DECLARE_READ8_MEMBER( iorq_r ) override;
|
||||
virtual DECLARE_WRITE8_MEMBER( iorq_w ) override;
|
||||
|
||||
DECLARE_WRITE_LINE_MEMBER( intrq_w );
|
||||
DECLARE_WRITE_LINE_MEMBER( drq_w );
|
||||
|
||||
protected:
|
||||
virtual machine_config_constructor device_mconfig_additions() const override;
|
||||
virtual void device_start() override;
|
||||
virtual void device_reset() override;
|
||||
|
||||
private:
|
||||
DECLARE_WRITE8_MEMBER( motor_w );
|
||||
|
||||
required_device<fd1793_t> m_fdc;
|
||||
required_device<floppy_connector> m_floppy0;
|
||||
required_device<floppy_connector> m_floppy1;
|
||||
|
||||
floppy_image_device *m_floppy;
|
||||
|
||||
int m_irq;
|
||||
int m_drq;
|
||||
};
|
||||
|
||||
// device type definition
|
||||
extern const device_type SV801;
|
||||
|
||||
#endif // __SVI3X8_SLOT_SV801_H__
|
||||
68
src/devices/bus/svi3x8/slot/sv803.cpp
Normal file
68
src/devices/bus/svi3x8/slot/sv803.cpp
Normal file
@ -0,0 +1,68 @@
|
||||
// license:GPL-2.0+
|
||||
// copyright-holders:Dirk Best
|
||||
/***************************************************************************
|
||||
|
||||
SV-803 16k memory expansion for SVI-318
|
||||
|
||||
***************************************************************************/
|
||||
|
||||
#include "sv803.h"
|
||||
|
||||
|
||||
//**************************************************************************
|
||||
// DEVICE DEFINITIONS
|
||||
//**************************************************************************
|
||||
|
||||
const device_type SV803 = &device_creator<sv803_device>;
|
||||
|
||||
|
||||
//**************************************************************************
|
||||
// LIVE DEVICE
|
||||
//**************************************************************************
|
||||
|
||||
//-------------------------------------------------
|
||||
// sv803_device - constructor
|
||||
//-------------------------------------------------
|
||||
|
||||
sv803_device::sv803_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) :
|
||||
device_t(mconfig, SV803, "SV-803 16k RAM Cartridge", tag, owner, clock, "sv803", __FILE__),
|
||||
device_svi_slot_interface(mconfig, *this)
|
||||
{
|
||||
m_ram = std::make_unique<UINT8[]>(0x4000);
|
||||
memset(m_ram.get(), 0xff, 0x4000);
|
||||
}
|
||||
|
||||
//-------------------------------------------------
|
||||
// device_start - device-specific startup
|
||||
//-------------------------------------------------
|
||||
|
||||
void sv803_device::device_start()
|
||||
{
|
||||
}
|
||||
|
||||
//-------------------------------------------------
|
||||
// device_reset - device-specific reset
|
||||
//-------------------------------------------------
|
||||
|
||||
void sv803_device::device_reset()
|
||||
{
|
||||
}
|
||||
|
||||
|
||||
//**************************************************************************
|
||||
// IMPLEMENTATION
|
||||
//**************************************************************************
|
||||
|
||||
READ8_MEMBER( sv803_device::mreq_r )
|
||||
{
|
||||
if (offset >= 0x8000 && offset <= 0xbfff)
|
||||
return m_ram[offset - 0x8000];
|
||||
|
||||
return 0xff;
|
||||
}
|
||||
|
||||
WRITE8_MEMBER( sv803_device::mreq_w )
|
||||
{
|
||||
if (offset >= 0x8000 && offset <= 0xbfff)
|
||||
m_ram[offset - 0x8000] = data;
|
||||
}
|
||||
44
src/devices/bus/svi3x8/slot/sv803.h
Normal file
44
src/devices/bus/svi3x8/slot/sv803.h
Normal file
@ -0,0 +1,44 @@
|
||||
// license:GPL-2.0+
|
||||
// copyright-holders:Dirk Best
|
||||
/***************************************************************************
|
||||
|
||||
SV-803 16k memory expansion for SVI-318
|
||||
|
||||
***************************************************************************/
|
||||
|
||||
#pragma once
|
||||
|
||||
#ifndef __SVI3X8_SLOT_SV803_H__
|
||||
#define __SVI3X8_SLOT_SV803_H__
|
||||
|
||||
#include "emu.h"
|
||||
#include "slot.h"
|
||||
|
||||
|
||||
//**************************************************************************
|
||||
// TYPE DEFINITIONS
|
||||
//**************************************************************************
|
||||
|
||||
// ======================> sv803_device
|
||||
|
||||
class sv803_device : public device_t, public device_svi_slot_interface
|
||||
{
|
||||
public:
|
||||
// construction/destruction
|
||||
sv803_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
|
||||
|
||||
virtual DECLARE_READ8_MEMBER( mreq_r ) override;
|
||||
virtual DECLARE_WRITE8_MEMBER( mreq_w ) override;
|
||||
|
||||
protected:
|
||||
virtual void device_start() override;
|
||||
virtual void device_reset() override;
|
||||
|
||||
private:
|
||||
std::unique_ptr<UINT8[]> m_ram;
|
||||
};
|
||||
|
||||
// device type definition
|
||||
extern const device_type SV803;
|
||||
|
||||
#endif // __SVI3X8_SLOT_SV803_H__
|
||||
163
src/devices/bus/svi3x8/slot/sv807.cpp
Normal file
163
src/devices/bus/svi3x8/slot/sv807.cpp
Normal file
@ -0,0 +1,163 @@
|
||||
// license:GPL-2.0+
|
||||
// copyright-holders:Dirk Best
|
||||
/***************************************************************************
|
||||
|
||||
SV-807 64k memory expansion for SVI-318/328
|
||||
|
||||
TODO:
|
||||
- Switch S6 (but needs to be off for the SVI anyway)
|
||||
|
||||
***************************************************************************/
|
||||
|
||||
#include "sv807.h"
|
||||
|
||||
|
||||
//**************************************************************************
|
||||
// CONSTANTS / MACROS
|
||||
//**************************************************************************
|
||||
|
||||
#define BK21_ACTIVE ((m_bk21 == 0) && (m_switch->read() & 0x01))
|
||||
#define BK22_ACTIVE ((m_bk22 == 0) && (m_switch->read() & 0x02))
|
||||
#define BK31_ACTIVE ((m_bk31 == 0) && (m_switch->read() & 0x04))
|
||||
#define BK32_ACTIVE ((m_bk32 == 0) && (m_switch->read() & 0x08))
|
||||
#define BK02_ACTIVE (m_switch->read() & 0x10)
|
||||
|
||||
|
||||
//**************************************************************************
|
||||
// DEVICE DEFINITIONS
|
||||
//**************************************************************************
|
||||
|
||||
const device_type SV807 = &device_creator<sv807_device>;
|
||||
|
||||
//-------------------------------------------------
|
||||
// input_ports - device-specific input ports
|
||||
//-------------------------------------------------
|
||||
|
||||
static INPUT_PORTS_START( sv807_switches )
|
||||
PORT_START("S")
|
||||
PORT_DIPNAME(0x01, 0x00, "Bank/Page 21")
|
||||
PORT_DIPLOCATION("S:1")
|
||||
PORT_DIPSETTING(0x00, "Off")
|
||||
PORT_DIPSETTING(0x01, "On")
|
||||
PORT_DIPNAME(0x02, 0x02, "Bank/Page 22")
|
||||
PORT_DIPLOCATION("S:2")
|
||||
PORT_DIPSETTING(0x00, "Off")
|
||||
PORT_DIPSETTING(0x02, "On")
|
||||
PORT_DIPNAME(0x04, 0x04, "Bank/Page 31")
|
||||
PORT_DIPLOCATION("S:3")
|
||||
PORT_DIPSETTING(0x00, "Off")
|
||||
PORT_DIPSETTING(0x04, "On")
|
||||
PORT_DIPNAME(0x08, 0x00, "Bank/Page 32")
|
||||
PORT_DIPLOCATION("S:4")
|
||||
PORT_DIPSETTING(0x00, "Off")
|
||||
PORT_DIPSETTING(0x08, "On")
|
||||
PORT_DIPNAME(0x10, 0x00, "Bank/Page 02")
|
||||
PORT_DIPLOCATION("S:5")
|
||||
PORT_DIPSETTING(0x00, "Off")
|
||||
PORT_DIPSETTING(0x10, "On")
|
||||
PORT_DIPNAME(0x20, 0x00, "48k/32k")
|
||||
PORT_DIPLOCATION("S:6")
|
||||
PORT_DIPSETTING(0x00, "Off")
|
||||
PORT_DIPSETTING(0x20, "On")
|
||||
INPUT_PORTS_END
|
||||
|
||||
ioport_constructor sv807_device::device_input_ports() const
|
||||
{
|
||||
return INPUT_PORTS_NAME( sv807_switches );
|
||||
}
|
||||
|
||||
|
||||
//**************************************************************************
|
||||
// LIVE DEVICE
|
||||
//**************************************************************************
|
||||
|
||||
//-------------------------------------------------
|
||||
// sv807_device - constructor
|
||||
//-------------------------------------------------
|
||||
|
||||
sv807_device::sv807_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) :
|
||||
device_t(mconfig, SV803, "SV-807 64k RAM Cartridge", tag, owner, clock, "sv807", __FILE__),
|
||||
device_svi_slot_interface(mconfig, *this),
|
||||
m_switch(*this, "S"),
|
||||
m_bk21(1), m_bk22(1), m_bk31(1), m_bk32(1)
|
||||
{
|
||||
m_ram_bank1 = std::make_unique<UINT8[]>(0x8000);
|
||||
m_ram_bank2 = std::make_unique<UINT8[]>(0x8000);
|
||||
memset(m_ram_bank1.get(), 0xff, 0x8000);
|
||||
memset(m_ram_bank2.get(), 0xff, 0x8000);
|
||||
}
|
||||
|
||||
//-------------------------------------------------
|
||||
// device_start - device-specific startup
|
||||
//-------------------------------------------------
|
||||
|
||||
void sv807_device::device_start()
|
||||
{
|
||||
}
|
||||
|
||||
//-------------------------------------------------
|
||||
// device_reset - device-specific reset
|
||||
//-------------------------------------------------
|
||||
|
||||
void sv807_device::device_reset()
|
||||
{
|
||||
}
|
||||
|
||||
|
||||
//**************************************************************************
|
||||
// IMPLEMENTATION
|
||||
//**************************************************************************
|
||||
|
||||
// test setup: S2 = enabled (22), S3 = enabled (31)
|
||||
|
||||
READ8_MEMBER( sv807_device::mreq_r )
|
||||
{
|
||||
if ((BK21_ACTIVE || BK31_ACTIVE) && offset < 0x8000)
|
||||
{
|
||||
m_bus->romdis_w(0);
|
||||
return m_ram_bank1[offset];
|
||||
}
|
||||
|
||||
if ((BK22_ACTIVE || BK32_ACTIVE || BK02_ACTIVE) && offset >= 0x8000)
|
||||
{
|
||||
m_bus->ramdis_w(0);
|
||||
return m_ram_bank2[offset - 0x8000];
|
||||
}
|
||||
|
||||
return 0xff;
|
||||
}
|
||||
|
||||
WRITE8_MEMBER( sv807_device::mreq_w )
|
||||
{
|
||||
if ((BK21_ACTIVE || BK31_ACTIVE) && offset < 0x8000)
|
||||
{
|
||||
m_bus->romdis_w(0);
|
||||
m_ram_bank1[offset] = data;
|
||||
}
|
||||
|
||||
if ((BK22_ACTIVE || BK32_ACTIVE || BK02_ACTIVE) && offset >= 0x8000)
|
||||
{
|
||||
m_bus->ramdis_w(0);
|
||||
m_ram_bank2[offset - 0x8000] = data;
|
||||
}
|
||||
}
|
||||
|
||||
void sv807_device::bk21_w(int state)
|
||||
{
|
||||
m_bk21 = state;
|
||||
}
|
||||
|
||||
void sv807_device::bk22_w(int state)
|
||||
{
|
||||
m_bk22 = state;
|
||||
}
|
||||
|
||||
void sv807_device::bk31_w(int state)
|
||||
{
|
||||
m_bk31 = state;
|
||||
}
|
||||
|
||||
void sv807_device::bk32_w(int state)
|
||||
{
|
||||
m_bk32 = state;
|
||||
}
|
||||
60
src/devices/bus/svi3x8/slot/sv807.h
Normal file
60
src/devices/bus/svi3x8/slot/sv807.h
Normal file
@ -0,0 +1,60 @@
|
||||
// license:GPL-2.0+
|
||||
// copyright-holders:Dirk Best
|
||||
/***************************************************************************
|
||||
|
||||
SV-807 64k memory expansion for SVI-318/328
|
||||
|
||||
***************************************************************************/
|
||||
|
||||
#pragma once
|
||||
|
||||
#ifndef __SVI3X8_SLOT_SV807_H__
|
||||
#define __SVI3X8_SLOT_SV807_H__
|
||||
|
||||
#include "emu.h"
|
||||
#include "slot.h"
|
||||
|
||||
|
||||
//**************************************************************************
|
||||
// TYPE DEFINITIONS
|
||||
//**************************************************************************
|
||||
|
||||
// ======================> sv807_device
|
||||
|
||||
class sv807_device : public device_t, public device_svi_slot_interface
|
||||
{
|
||||
public:
|
||||
// construction/destruction
|
||||
sv807_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
|
||||
|
||||
// optional information overrides
|
||||
virtual ioport_constructor device_input_ports() const override;
|
||||
|
||||
virtual DECLARE_READ8_MEMBER( mreq_r ) override;
|
||||
virtual DECLARE_WRITE8_MEMBER( mreq_w ) override;
|
||||
|
||||
virtual void bk21_w(int state) override;
|
||||
virtual void bk22_w(int state) override;
|
||||
virtual void bk31_w(int state) override;
|
||||
virtual void bk32_w(int state) override;
|
||||
|
||||
protected:
|
||||
virtual void device_start() override;
|
||||
virtual void device_reset() override;
|
||||
|
||||
private:
|
||||
required_ioport m_switch;
|
||||
|
||||
std::unique_ptr<UINT8[]> m_ram_bank1;
|
||||
std::unique_ptr<UINT8[]> m_ram_bank2;
|
||||
|
||||
int m_bk21;
|
||||
int m_bk22;
|
||||
int m_bk31;
|
||||
int m_bk32;
|
||||
};
|
||||
|
||||
// device type definition
|
||||
extern const device_type SV807;
|
||||
|
||||
#endif // __SVI3X8_SLOT_SV807_H__
|
||||
@ -22,9 +22,17 @@
|
||||
#include "formats/svi_cas.h"
|
||||
#include "bus/generic/slot.h"
|
||||
#include "bus/generic/carts.h"
|
||||
#include "bus/svi3x8/expander/expander.h"
|
||||
#include "softlist.h"
|
||||
|
||||
|
||||
//**************************************************************************
|
||||
// CONSTANTS & MACROS
|
||||
//**************************************************************************
|
||||
|
||||
#define IS_SVI328 (m_ram->size() == 64 * 1024)
|
||||
|
||||
|
||||
//**************************************************************************
|
||||
// TYPE DEFINITIONS
|
||||
//**************************************************************************
|
||||
@ -39,18 +47,32 @@ public:
|
||||
m_basic(*this, "basic"),
|
||||
m_speaker(*this, "speaker"),
|
||||
m_cassette(*this, "cassette"),
|
||||
m_cart(*this, "cartslot"),
|
||||
m_cart_rom(*this, "cartslot"),
|
||||
m_expander(*this, "exp"),
|
||||
m_keyboard(*this, "KEY"),
|
||||
m_buttons(*this, "BUTTONS"),
|
||||
m_intvdp(0), m_intexp(0),
|
||||
m_romdis(1), m_ramdis(1),
|
||||
m_cart(1), m_bk21(1),
|
||||
m_keyboard_row(0)
|
||||
{}
|
||||
|
||||
DECLARE_READ8_MEMBER( ppi_port_a_r );
|
||||
DECLARE_READ8_MEMBER( ppi_port_b_r );
|
||||
DECLARE_WRITE8_MEMBER( ppi_port_c_w );
|
||||
DECLARE_WRITE8_MEMBER( psg_port_b_w );
|
||||
DECLARE_WRITE8_MEMBER( bank_w );
|
||||
DECLARE_WRITE_LINE_MEMBER( intvdp_w );
|
||||
|
||||
READ8_MEMBER( page1_r );
|
||||
WRITE8_MEMBER( page1_w );
|
||||
READ8_MEMBER( page2_r );
|
||||
WRITE8_MEMBER( page2_w );
|
||||
|
||||
// from expander bus
|
||||
DECLARE_WRITE_LINE_MEMBER( intexp_w );
|
||||
DECLARE_WRITE_LINE_MEMBER( romdis_w );
|
||||
DECLARE_WRITE_LINE_MEMBER( ramdis_w );
|
||||
|
||||
DECLARE_DEVICE_IMAGE_LOAD_MEMBER(cartridge);
|
||||
|
||||
protected:
|
||||
@ -58,17 +80,23 @@ protected:
|
||||
virtual void machine_reset() override;
|
||||
|
||||
private:
|
||||
void reset_memory_configuration();
|
||||
|
||||
required_device<cpu_device> m_maincpu;
|
||||
required_device<ram_device> m_ram;
|
||||
required_memory_region m_basic;
|
||||
required_device<speaker_sound_device> m_speaker;
|
||||
required_device<cassette_image_device> m_cassette;
|
||||
required_device<generic_slot_device> m_cart;
|
||||
required_device<generic_slot_device> m_cart_rom;
|
||||
required_device<svi_expander_device> m_expander;
|
||||
required_ioport_array<16> m_keyboard;
|
||||
required_ioport m_buttons;
|
||||
|
||||
int m_intvdp;
|
||||
int m_intexp;
|
||||
int m_romdis;
|
||||
int m_ramdis;
|
||||
int m_cart;
|
||||
int m_bk21;
|
||||
|
||||
UINT8 m_keyboard_row;
|
||||
};
|
||||
|
||||
@ -79,10 +107,13 @@ private:
|
||||
|
||||
static ADDRESS_MAP_START( svi3x8_mem, AS_PROGRAM, 8, svi3x8_state )
|
||||
ADDRESS_MAP_UNMAP_HIGH
|
||||
AM_RANGE(0x0000, 0x7fff) AM_READWRITE(page1_r, page1_w)
|
||||
AM_RANGE(0x8000, 0xffff) AM_READWRITE(page2_r, page2_w)
|
||||
ADDRESS_MAP_END
|
||||
|
||||
static ADDRESS_MAP_START( svi3x8_io, AS_IO, 8, svi3x8_state )
|
||||
ADDRESS_MAP_GLOBAL_MASK(0xff)
|
||||
AM_RANGE(0x00, 0x7f) AM_DEVREADWRITE("exp", svi_expander_device, iorq_r, iorq_w)
|
||||
AM_RANGE(0x80, 0x80) AM_MIRROR(0x22) AM_DEVWRITE("vdp", tms9928a_device, vram_write)
|
||||
AM_RANGE(0x81, 0x81) AM_MIRROR(0x22) AM_DEVWRITE("vdp", tms9928a_device, register_write)
|
||||
AM_RANGE(0x84, 0x84) AM_MIRROR(0x22) AM_DEVREAD("vdp", tms9928a_device, vram_read)
|
||||
@ -261,7 +292,8 @@ WRITE_LINE_MEMBER( svi3x8_state::intvdp_w )
|
||||
{
|
||||
// note: schematics show a CNTRL line that allows switching between
|
||||
// IRQ and NMI for the interrupt
|
||||
m_maincpu->set_input_line(INPUT_LINE_IRQ0, state);
|
||||
m_intvdp = state;
|
||||
m_maincpu->set_input_line(INPUT_LINE_IRQ0, (m_intvdp || m_intexp) ? ASSERT_LINE : CLEAR_LINE);
|
||||
}
|
||||
|
||||
|
||||
@ -269,69 +301,90 @@ WRITE_LINE_MEMBER( svi3x8_state::intvdp_w )
|
||||
// MACHINE EMULATION
|
||||
//**************************************************************************
|
||||
|
||||
void svi3x8_state::reset_memory_configuration()
|
||||
{
|
||||
m_maincpu->space(AS_PROGRAM).install_rom(0x0000, 0x7fff, m_basic->base());
|
||||
|
||||
if (m_ram->size() == 64 * 1024)
|
||||
{
|
||||
// SVI-328
|
||||
m_maincpu->space(AS_PROGRAM).install_ram(0x8000, 0xffff, m_ram->pointer());
|
||||
}
|
||||
else
|
||||
{
|
||||
// SVI-318
|
||||
m_maincpu->space(AS_PROGRAM).unmap_readwrite(0x8000, 0xbfff);
|
||||
m_maincpu->space(AS_PROGRAM).install_ram(0xc000, 0xffff, m_ram->pointer());
|
||||
}
|
||||
}
|
||||
|
||||
void svi3x8_state::machine_start()
|
||||
{
|
||||
// register for save states
|
||||
save_item(NAME(m_intvdp));
|
||||
save_item(NAME(m_intexp));
|
||||
save_item(NAME(m_romdis));
|
||||
save_item(NAME(m_ramdis));
|
||||
save_item(NAME(m_cart));
|
||||
save_item(NAME(m_bk21));
|
||||
save_item(NAME(m_keyboard_row));
|
||||
}
|
||||
|
||||
void svi3x8_state::machine_reset()
|
||||
{
|
||||
reset_memory_configuration();
|
||||
m_intvdp = 0;
|
||||
m_intexp = 0;
|
||||
m_romdis = 1;
|
||||
m_ramdis = 1;
|
||||
m_cart = 1;
|
||||
m_bk21 = 1;
|
||||
}
|
||||
|
||||
WRITE8_MEMBER( svi3x8_state::psg_port_b_w )
|
||||
READ8_MEMBER( svi3x8_state::page1_r)
|
||||
{
|
||||
reset_memory_configuration();
|
||||
if (m_cart == 0)
|
||||
return m_cart_rom->exists() ? m_cart_rom->read_rom(space, offset) : 0xff;
|
||||
|
||||
// CART
|
||||
if (BIT(data, 0) == 0)
|
||||
{
|
||||
if (m_cart->exists())
|
||||
m_maincpu->space(AS_PROGRAM).install_rom(0x0000, 0x7fff, m_cart->get_rom_base());
|
||||
else
|
||||
m_maincpu->space(AS_PROGRAM).unmap_readwrite(0x0000, 0x7fff);
|
||||
}
|
||||
else
|
||||
{
|
||||
// BK21 (SV-328)
|
||||
if (BIT(data, 1) == 0)
|
||||
{
|
||||
if (m_ram->size() == 64 * 1024)
|
||||
m_maincpu->space(AS_PROGRAM).install_ram(0x0000, 0x7fff, m_ram->pointer() + 0x8000);
|
||||
else
|
||||
m_maincpu->space(AS_PROGRAM).unmap_readwrite(0x0000, 0x7fff);
|
||||
}
|
||||
UINT8 data = m_expander->mreq_r(space, offset);
|
||||
|
||||
// BK22 (SV-807)
|
||||
if (BIT(data, 2) == 0)
|
||||
m_maincpu->space(AS_PROGRAM).unmap_readwrite(0x8000, 0xffff);
|
||||
if (m_romdis == 1)
|
||||
data = m_basic->u8(offset);
|
||||
|
||||
// BK31 (SV-807)
|
||||
if (BIT(data, 3) == 0)
|
||||
m_maincpu->space(AS_PROGRAM).unmap_readwrite(0x0000, 0x7fff);
|
||||
if (m_bk21 == 0 && IS_SVI328)
|
||||
data = m_ram->read(offset);
|
||||
|
||||
// BK32 (SV-807)
|
||||
if (BIT(data, 4) == 0)
|
||||
m_maincpu->space(AS_PROGRAM).unmap_readwrite(0x8000, 0xffff);
|
||||
}
|
||||
return data;
|
||||
}
|
||||
|
||||
WRITE8_MEMBER( svi3x8_state::page1_w)
|
||||
{
|
||||
if (m_cart == 0)
|
||||
return;
|
||||
|
||||
m_expander->mreq_w(space, offset, data);
|
||||
|
||||
if (m_bk21 == 0 && IS_SVI328)
|
||||
m_ram->write(offset, data);
|
||||
}
|
||||
|
||||
READ8_MEMBER( svi3x8_state::page2_r)
|
||||
{
|
||||
offset += 0x8000;
|
||||
|
||||
UINT8 data = m_expander->mreq_r(space, offset);
|
||||
|
||||
if (m_ramdis == 1 && (offset >= 0x4000 || IS_SVI328))
|
||||
return m_ram->read(IS_SVI328 ? offset : offset - 0xc000);
|
||||
|
||||
return data;
|
||||
}
|
||||
|
||||
WRITE8_MEMBER( svi3x8_state::page2_w )
|
||||
{
|
||||
offset += 0x8000;
|
||||
|
||||
m_expander->mreq_w(space, offset, data);
|
||||
|
||||
if (m_ramdis == 1 && (offset >= 0x4000 || IS_SVI328))
|
||||
m_ram->write(IS_SVI328 ? offset : offset - 0xc000, data);
|
||||
}
|
||||
|
||||
WRITE8_MEMBER( svi3x8_state::bank_w )
|
||||
{
|
||||
logerror("bank_w: %02x\n", data);
|
||||
|
||||
m_cart = BIT(data, 0);
|
||||
m_bk21 = BIT(data, 1);
|
||||
|
||||
m_expander->bk21_w(BIT(data, 1));
|
||||
m_expander->bk22_w(BIT(data, 2));
|
||||
m_expander->bk31_w(BIT(data, 3));
|
||||
m_expander->bk32_w(BIT(data, 4));
|
||||
|
||||
// TODO: handle ROM2/ROM3 enable (bit 6 + 7)
|
||||
|
||||
output().set_value("led_caps_lock", BIT(data, 5));
|
||||
}
|
||||
@ -372,6 +425,22 @@ WRITE8_MEMBER( svi3x8_state::ppi_port_c_w )
|
||||
m_speaker->level_w(BIT(data, 7));
|
||||
}
|
||||
|
||||
WRITE_LINE_MEMBER( svi3x8_state::intexp_w )
|
||||
{
|
||||
m_intexp = state;
|
||||
m_maincpu->set_input_line(INPUT_LINE_IRQ0, (m_intvdp || m_intexp) ? ASSERT_LINE : CLEAR_LINE);
|
||||
}
|
||||
|
||||
WRITE_LINE_MEMBER( svi3x8_state::romdis_w )
|
||||
{
|
||||
m_romdis = state;
|
||||
}
|
||||
|
||||
WRITE_LINE_MEMBER( svi3x8_state::ramdis_w )
|
||||
{
|
||||
m_ramdis = state;
|
||||
}
|
||||
|
||||
|
||||
//**************************************************************************
|
||||
// CARTRIDGE
|
||||
@ -379,7 +448,7 @@ WRITE8_MEMBER( svi3x8_state::ppi_port_c_w )
|
||||
|
||||
DEVICE_IMAGE_LOAD_MEMBER( svi3x8_state, cartridge )
|
||||
{
|
||||
UINT32 size = m_cart->common_get_size("rom");
|
||||
UINT32 size = m_cart_rom->common_get_size("rom");
|
||||
|
||||
if (size != 0x8000)
|
||||
{
|
||||
@ -387,8 +456,8 @@ DEVICE_IMAGE_LOAD_MEMBER( svi3x8_state, cartridge )
|
||||
return IMAGE_INIT_FAIL;
|
||||
}
|
||||
|
||||
m_cart->rom_alloc(size, GENERIC_ROM8_WIDTH, ENDIANNESS_LITTLE);
|
||||
m_cart->common_load_rom(m_cart->get_rom_base(), size, "rom");
|
||||
m_cart_rom->rom_alloc(size, GENERIC_ROM8_WIDTH, ENDIANNESS_LITTLE);
|
||||
m_cart_rom->common_load_rom(m_cart_rom->get_rom_base(), size, "rom");
|
||||
|
||||
return IMAGE_INIT_PASS;
|
||||
}
|
||||
@ -427,7 +496,7 @@ static MACHINE_CONFIG_START( svi318, svi3x8_state )
|
||||
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.25)
|
||||
MCFG_SOUND_ADD("psg", AY8910, XTAL_10_738635MHz / 6)
|
||||
MCFG_AY8910_PORT_A_READ_CB(IOPORT("JOY"))
|
||||
MCFG_AY8910_PORT_B_WRITE_CB(WRITE8(svi3x8_state, psg_port_b_w))
|
||||
MCFG_AY8910_PORT_B_WRITE_CB(WRITE8(svi3x8_state, bank_w))
|
||||
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.75)
|
||||
|
||||
// cassette
|
||||
@ -442,6 +511,12 @@ static MACHINE_CONFIG_START( svi318, svi3x8_state )
|
||||
MCFG_GENERIC_EXTENSIONS("bin,rom")
|
||||
MCFG_GENERIC_LOAD(svi3x8_state, cartridge)
|
||||
MCFG_SOFTWARE_LIST_ADD("cart_list", "svi318_cart")
|
||||
|
||||
// expander bus
|
||||
MCFG_SVI_EXPANDER_BUS_ADD("exp")
|
||||
MCFG_SVI_EXPANDER_INT_HANDLER(WRITELINE(svi3x8_state, intexp_w))
|
||||
MCFG_SVI_EXPANDER_ROMDIS_HANDLER(WRITELINE(svi3x8_state, romdis_w))
|
||||
MCFG_SVI_EXPANDER_RAMDIS_HANDLER(WRITELINE(svi3x8_state, ramdis_w))
|
||||
MACHINE_CONFIG_END
|
||||
|
||||
static MACHINE_CONFIG_DERIVED( svi318n, svi318 )
|
||||
|
||||
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Reference in New Issue
Block a user