mirror of
https://github.com/holub/mame
synced 2025-04-24 09:20:02 +03:00
coleco: Add expansion bus and support for the Super Game Module
This obsoletes PR#10816. Thanks to 0kmg for the initial implementation.
This commit is contained in:
Dirk Best
parent
c0e8399c43
commit
ad7fdda12b
@ -1190,6 +1190,23 @@ if (BUSES["COLECO_CART"]~=null) then
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end
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---------------------------------------------------
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--
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--@src/devices/bus/coleco/expansion/expansion.h,BUSES["COLECO_EXPANSION"] = true
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---------------------------------------------------
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if (BUSES["COLECO_EXPANSION"]~=null) then
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files {
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MAME_DIR .. "src/devices/bus/coleco/expansion/expansion.cpp",
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MAME_DIR .. "src/devices/bus/coleco/expansion/expansion.h",
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MAME_DIR .. "src/devices/bus/coleco/expansion/cards.cpp",
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MAME_DIR .. "src/devices/bus/coleco/expansion/cards.h",
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MAME_DIR .. "src/devices/bus/coleco/expansion/sgm.cpp",
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MAME_DIR .. "src/devices/bus/coleco/expansion/sgm.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/crvision/slot.h,BUSES["CRVISION"] = true
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18
src/devices/bus/coleco/expansion/cards.cpp
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18
src/devices/bus/coleco/expansion/cards.cpp
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@ -0,0 +1,18 @@
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// license: BSD-3-Clause
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// copyright-holders: Dirk Best
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/***************************************************************************
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Colecovision Expansion Slot cards
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***************************************************************************/
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#include "emu.h"
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#include "cards.h"
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#include "sgm.h"
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void coleco_expansion_cards(device_slot_interface &device)
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{
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device.option_add("sgm", COLECO_SGM);
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}
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16
src/devices/bus/coleco/expansion/cards.h
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16
src/devices/bus/coleco/expansion/cards.h
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@ -0,0 +1,16 @@
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// license: BSD-3-Clause
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// copyright-holders: Dirk Best
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/***************************************************************************
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Colecovision Expansion Slot cards
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***************************************************************************/
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#ifndef MAME_BUS_COlECO_EXPANSION_CARDS_H
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#define MAME_BUS_COlECO_EXPANSION_CARDS_H
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#pragma once
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void coleco_expansion_cards(device_slot_interface &device);
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#endif // MAME_BUS_COlECO_EXPANSION_CARDS_H
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60
src/devices/bus/coleco/expansion/expansion.cpp
Normal file
60
src/devices/bus/coleco/expansion/expansion.cpp
Normal file
@ -0,0 +1,60 @@
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// license: BSD-3-Clause
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// copyright-holders: Dirk Best
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/***************************************************************************
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Colecovision Expansion Slot
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60-pin slot
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***************************************************************************/
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#include "emu.h"
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#include "expansion.h"
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//**************************************************************************
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// DEVICE DEFINITIONS
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//**************************************************************************
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DEFINE_DEVICE_TYPE(COLECO_EXPANSION, coleco_expansion_device, "coleco_expansion", "Colecovision Expansion Bus")
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//**************************************************************************
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// SLOT DEVICE
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//**************************************************************************
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coleco_expansion_device::coleco_expansion_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) :
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device_t(mconfig, COLECO_EXPANSION, tag, owner, clock),
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device_single_card_slot_interface<device_coleco_expansion_interface>(mconfig, *this),
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m_program(*this, finder_base::DUMMY_TAG, -1),
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m_io(*this, finder_base::DUMMY_TAG, -1),
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m_int_handler(*this),
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m_nmi_handler(*this),
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m_card(nullptr)
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{
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}
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coleco_expansion_device::~coleco_expansion_device()
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{
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}
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void coleco_expansion_device::device_start()
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{
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// get inserted card
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m_card = get_card_device();
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}
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//**************************************************************************
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// CARD INTERFACE
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//**************************************************************************
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device_coleco_expansion_interface::device_coleco_expansion_interface(const machine_config &mconfig, device_t &device) :
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device_interface(device, "colecoexp")
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{
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m_expansion = dynamic_cast<coleco_expansion_device *>(device.owner());
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}
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device_coleco_expansion_interface::~device_coleco_expansion_interface()
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{
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}
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123
src/devices/bus/coleco/expansion/expansion.h
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123
src/devices/bus/coleco/expansion/expansion.h
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@ -0,0 +1,123 @@
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// license: BSD-3-Clause
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// copyright-holders: Dirk Best
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/***************************************************************************
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Colecovision Expansion Slot
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60-pin slot
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1 GND 60 -5V
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2 GND 59 +5V
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3 D3 58 +5V
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4 A14 57 +12V
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5 EN40 56 AUDOUT
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6 EN20 55 IORQ
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7 HALT 54 MREQ
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8 WR 53 RD
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9 NMI 52 BUSACK
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10 FX-9 51 INT
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11 BUSREQ 50 WAIT
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12 D1 49 RFSH
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13 RESET 48 D5
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14 D0 47 A0
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15 M1 46 D5
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16 D2 45 CPUCLK
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17 D6 44 A3
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18 A1 43 A15
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19 D4 42 N/C
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20 A2 41 N/C
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21 A4 40 CPUCLK
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22 A13 39 EXVDCRST
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23 A5 38 A12
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24 A8 37 A11
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25 A7 36 EXRES2
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26 A8 35 AUDCLK
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27 A9 34 EXRES1
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28 A10 33 EXVID
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29 N/C 32 EXVIDEN
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30 N/C 31 EXAUD
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***************************************************************************/
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#ifndef MAME_BUS_COlECO_EXPANSION_EXPANSION_H
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#define MAME_BUS_COlECO_EXPANSION_EXPANSION_H
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#pragma once
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// include here so drivers don't need to
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#include "cards.h"
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// forward declaration
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class device_coleco_expansion_interface;
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//**************************************************************************
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// BUS DEVICE
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//**************************************************************************
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class coleco_expansion_device : public device_t, public device_single_card_slot_interface<device_coleco_expansion_interface>
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{
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public:
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// construction/destruction
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coleco_expansion_device(machine_config const &mconfig, char const *tag, device_t *owner, const char *dflt) :
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coleco_expansion_device(mconfig, tag, owner, uint32_t(0))
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{
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option_reset();
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coleco_expansion_cards(*this);
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set_default_option(dflt);
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set_fixed(false);
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}
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coleco_expansion_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
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virtual ~coleco_expansion_device();
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template <typename T> void set_program_space(T &&tag, int spacenum) { m_program.set_tag(std::forward<T>(tag), spacenum); }
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template <typename T> void set_io_space(T &&tag, int spacenum) { m_io.set_tag(std::forward<T>(tag), spacenum); }
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// callbacks
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auto int_handler() { return m_int_handler.bind(); }
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auto nmi_handler() { return m_nmi_handler.bind(); }
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// called from card device
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void int_w(int state) { m_int_handler(state); }
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void nmi_w(int state) { m_nmi_handler(state); }
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address_space &mem_space() { return *m_program; }
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address_space &io_space() { return *m_io; }
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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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private:
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required_address_space m_program;
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required_address_space m_io;
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devcb_write_line m_int_handler;
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devcb_write_line m_nmi_handler;
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device_coleco_expansion_interface *m_card;
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};
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//**************************************************************************
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// CARD INTERFACE
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//**************************************************************************
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class device_coleco_expansion_interface : public device_interface
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{
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public:
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virtual ~device_coleco_expansion_interface();
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protected:
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device_coleco_expansion_interface(const machine_config &mconfig, device_t &device);
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coleco_expansion_device *m_expansion;
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};
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// device type declaration
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DECLARE_DEVICE_TYPE(COLECO_EXPANSION, coleco_expansion_device)
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#endif // MAME_BUS_COlECO_EXPANSION_EXPANSION_H
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101
src/devices/bus/coleco/expansion/sgm.cpp
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101
src/devices/bus/coleco/expansion/sgm.cpp
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@ -0,0 +1,101 @@
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// license: BSD-3-Clause
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// copyright-holders: Dirk Best
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/***************************************************************************
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Opcode Super Game Module
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***************************************************************************/
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#include "emu.h"
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#include "sgm.h"
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#include "sound/ay8910.h"
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#include "speaker.h"
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//**************************************************************************
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// TYPE DEFINITIONS
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//**************************************************************************
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DEFINE_DEVICE_TYPE(COLECO_SGM, coleco_sgm_device, "coleco_sgm", "Opcode Super Game Module")
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coleco_sgm_device::coleco_sgm_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) :
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device_t(mconfig, COLECO_SGM, tag, owner, clock),
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device_coleco_expansion_interface(mconfig, *this),
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m_view_lower(*this, "view_lower"),
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m_view_upper(*this, "view_upper")
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{
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}
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//**************************************************************************
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// ADDRESS MAPS
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//**************************************************************************
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void coleco_sgm_device::io_map(address_map &map)
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{
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map(0x50, 0x50).w("ay", FUNC(ay8910_device::address_w));
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map(0x51, 0x51).w("ay", FUNC(ay8910_device::data_w));
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map(0x52, 0x52).r("ay", FUNC(ay8910_device::data_r));
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map(0x53, 0x53).w(FUNC(coleco_sgm_device::upper_enable_w));
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map(0x7f, 0x7f).w(FUNC(coleco_sgm_device::lower_enable_w));
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}
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//**************************************************************************
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// MACHINE DEFINITIONS
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//**************************************************************************
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void coleco_sgm_device::device_add_mconfig(machine_config &config)
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{
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SPEAKER(config, "mono").front_center();
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ay8910_device &ay(AY8910(config, "ay", 7.15909_MHz_XTAL / 4));
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ay.add_route(ALL_OUTPUTS, "mono", 1.00);
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}
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//**************************************************************************
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// MACHINE EMULATION
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//**************************************************************************
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void coleco_sgm_device::device_start()
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{
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// allocate memory for ram
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m_ram_lower = std::make_unique<uint8_t []>(0x2000);
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m_ram_upper = std::make_unique<uint8_t []>(0x6000);
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// register for save states
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save_pointer(NAME(m_ram_lower), 0x2000);
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save_pointer(NAME(m_ram_upper), 0x6000);
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// install device into memory map
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m_expansion->io_space().install_device(0x00, 0x7f, *this, coleco_sgm_device::io_map);
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m_expansion->mem_space().install_view(0x0000, 0x1fff, m_view_lower);
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m_view_lower[0].install_ram(0x0000, 0x1fff, &m_ram_lower[0]);
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m_expansion->mem_space().install_view(0x2000, 0x7fff, m_view_upper);
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m_view_upper[0].install_ram(0x2000, 0x7fff, &m_ram_upper[0]);
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}
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void coleco_sgm_device::device_reset()
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{
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m_view_lower.disable();
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m_view_upper.disable();
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}
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void coleco_sgm_device::upper_enable_w(uint8_t data)
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{
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if (BIT(data, 0))
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m_view_upper.select(0);
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else
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m_view_upper.disable();
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}
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void coleco_sgm_device::lower_enable_w(uint8_t data)
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{
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if (BIT(data, 1))
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m_view_lower.disable();
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else
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m_view_lower.select(0);
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}
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48
src/devices/bus/coleco/expansion/sgm.h
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48
src/devices/bus/coleco/expansion/sgm.h
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@ -0,0 +1,48 @@
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// license: BSD-3-Clause
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// copyright-holders: Dirk Best
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/***************************************************************************
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Colecovision Super Game Module
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***************************************************************************/
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#ifndef MAME_BUS_COLECO_EXPANSION_SGM_H
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#define MAME_BUS_COLECO_EXPANSION_SGM_H
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#pragma once
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#include "expansion.h"
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//**************************************************************************
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// TYPE DEFINITIONS
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//**************************************************************************
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class coleco_sgm_device : public device_t, public device_coleco_expansion_interface
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{
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public:
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// construction/destruction
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coleco_sgm_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
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protected:
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virtual void device_add_mconfig(machine_config &config) override;
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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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memory_view m_view_lower;
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memory_view m_view_upper;
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std::unique_ptr<uint8_t []> m_ram_lower;
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std::unique_ptr<uint8_t []> m_ram_upper;
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void io_map(address_map &map);
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void upper_enable_w(uint8_t data);
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void lower_enable_w(uint8_t data);
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};
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// device type declaration
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DECLARE_DEVICE_TYPE(COLECO_SGM, coleco_sgm_device)
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#endif // MAME_BUS_COLECO_EXPANSION_SGM_H
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@ -69,7 +69,11 @@
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*/
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#include "emu.h"
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#include "coleco.h"
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#include "bus/coleco/expansion/expansion.h"
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#include "screen.h"
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#include "softlist_dev.h"
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#include "speaker.h"
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@ -593,6 +597,12 @@ void coleco_state::coleco(machine_config &config)
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SOFTWARE_LIST(config, "cart_list").set_original("coleco");
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TIMER(config, "paddle_timer").configure_periodic(FUNC(coleco_state::paddle_update_callback), attotime::from_msec(20));
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coleco_expansion_device &exp(COLECO_EXPANSION(config, "exp", nullptr));
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exp.set_program_space(m_maincpu, AS_PROGRAM);
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exp.set_io_space(m_maincpu, AS_IO);
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exp.int_handler().set_inputline(m_maincpu, INPUT_LINE_IRQ0); // TODO: Merge with other IRQs?
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exp.nmi_handler().set_inputline(m_maincpu, INPUT_LINE_NMI);
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}
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void coleco_state::colecop(machine_config &config)
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@ -643,6 +653,8 @@ void coleco_state::czz50(machine_config &config)
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{
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coleco(config);
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config.device_remove("exp"); // this system has a different expansion port
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/* basic machine hardware */
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m_maincpu->set_addrmap(AS_PROGRAM, &coleco_state::czz50_map); // note: cpu speed unverified, assume it's the same as ColecoVision
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}
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