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(MESS) Apple II: Add preliminary support for TME Arcade Board [R. Belmont]
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R. Belmont
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2
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@ -6369,6 +6369,8 @@ src/mess/machine/990_tap.c svneol=native#text/plain
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src/mess/machine/990_tap.h svneol=native#text/plain
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src/mess/machine/a2alfam2.c svneol=native#text/plain
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src/mess/machine/a2alfam2.h svneol=native#text/plain
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src/mess/machine/a2arcadebd.c svneol=native#text/plain
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src/mess/machine/a2arcadebd.h svneol=native#text/plain
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src/mess/machine/a2bus.c svneol=native#text/plain
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src/mess/machine/a2bus.h svneol=native#text/plain
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src/mess/machine/a2cffa.c svneol=native#text/plain
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@ -209,6 +209,7 @@ Apple 3.5 and Apple 5.25 drives - up to three devices
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#include "machine/a2alfam2.h"
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#include "machine/laser128.h"
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#include "machine/a2echoii.h"
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#include "machine/a2arcadebd.h"
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/***************************************************************************
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PARAMETERS
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@ -632,6 +633,7 @@ static SLOT_INTERFACE_START(apple2_cards)
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SLOT_INTERFACE("ap16alt", A2BUS_IBSAP16ALT) /* IBS AP16 (German VideoTerm clone), alternate revision */
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SLOT_INTERFACE("vtc1", A2BUS_VTC1) /* Unknown VideoTerm clone #1 */
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SLOT_INTERFACE("vtc2", A2BUS_VTC2) /* Unknown VideoTerm clone #2 */
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SLOT_INTERFACE("arcbd", A2BUS_ARCADEBOARD) /* Third Millenium Engineering Arcade Board */
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// SLOT_INTERFACE("scsi", A2BUS_SCSI) /* Apple II SCSI Card */
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SLOT_INTERFACE_END
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145
src/mess/machine/a2arcadebd.c
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145
src/mess/machine/a2arcadebd.c
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/*********************************************************************
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a2arcadeboard.c
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Implementation of the Third Millenium Engineering Arcade Board
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*********************************************************************/
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#include "emu.h"
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#include "machine/a2arcadebd.h"
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/***************************************************************************
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PARAMETERS
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***************************************************************************/
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#define TMS_TAG "arcbd_tms"
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#define AY_TAG "arcbd_ay"
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#define SCREEN_TAG "screen"
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//**************************************************************************
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// GLOBAL VARIABLES
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//**************************************************************************
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const device_type A2BUS_ARCADEBOARD = &device_creator<a2bus_arcboard_device>;
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static const ay8910_interface arcadeboard_ay8910_interface =
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{
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AY8910_LEGACY_OUTPUT,
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AY8910_DEFAULT_LOADS,
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DEVCB_NULL
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};
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static TMS9928A_INTERFACE(arcadeboard_tms9918a_interface)
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{
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SCREEN_TAG,
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0x4000, // 16k of VRAM
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DEVCB_NULL // VBL interrupt
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};
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MACHINE_CONFIG_FRAGMENT( arcadeboard )
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MCFG_TMS9928A_ADD( TMS_TAG, TMS9918A, arcadeboard_tms9918a_interface )
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MCFG_TMS9928A_SCREEN_ADD_NTSC( SCREEN_TAG )
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MCFG_SCREEN_UPDATE_DEVICE( TMS_TAG, tms9918a_device, screen_update )
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MCFG_SPEAKER_STANDARD_MONO("mono")
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MCFG_SOUND_ADD(AY_TAG, AY8910, 1022727)
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MCFG_SOUND_CONFIG(arcadeboard_ay8910_interface)
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MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0)
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MACHINE_CONFIG_END
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//-------------------------------------------------
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// machine_config_additions - device-specific
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// machine configurations
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//-------------------------------------------------
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machine_config_constructor a2bus_arcboard_device::device_mconfig_additions() const
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{
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return MACHINE_CONFIG_NAME( arcadeboard );
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}
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//**************************************************************************
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// LIVE DEVICE
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//**************************************************************************
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a2bus_arcboard_device::a2bus_arcboard_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) :
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device_t(mconfig, A2BUS_ARCADEBOARD, "Third Millenium Engineering Arcade Board", tag, owner, clock),
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device_a2bus_card_interface(mconfig, *this),
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m_tms(*this, TMS_TAG),
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m_ay(*this, AY_TAG)
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{
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m_shortname = "a2arcbd";
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}
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a2bus_arcboard_device::a2bus_arcboard_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock) :
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device_t(mconfig, type, name, tag, owner, clock),
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device_a2bus_card_interface(mconfig, *this),
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m_tms(*this, TMS_TAG),
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m_ay(*this, AY_TAG)
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{
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m_shortname = "a2arcbd";
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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 a2bus_arcboard_device::device_start()
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{
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// set_a2bus_device makes m_slot valid
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set_a2bus_device();
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}
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void a2bus_arcboard_device::device_reset()
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{
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}
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/*
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C0nx map:
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0 - TMS read vram
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1 - TMS read status
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2 - TMS write vram
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3 - TMS write register
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5 - AY register select
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6 - AY data
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*/
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UINT8 a2bus_arcboard_device::read_c0nx(address_space &space, UINT8 offset)
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{
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switch (offset)
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{
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case 0:
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return m_tms->vram_read(space, 0);
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case 1:
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return m_tms->register_read(space, 0);
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case 6:
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return ay8910_r(m_ay, space, 0);
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}
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return 0xff;
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}
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void a2bus_arcboard_device::write_c0nx(address_space &space, UINT8 offset, UINT8 data)
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{
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switch (offset)
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{
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case 2:
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m_tms->vram_write(space, 0, data);
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break;
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case 3:
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m_tms->register_write(space, 0, data);
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break;
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case 5:
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ay8910_address_w(m_ay, space, 0, data);
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break;
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case 6:
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ay8910_data_w(m_ay, space, 0, data);
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break;
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}
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}
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51
src/mess/machine/a2arcadebd.h
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51
src/mess/machine/a2arcadebd.h
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/*********************************************************************
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a2arcadebd.h
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Third Millenium Engineering Arcade Board
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*********************************************************************/
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#ifndef __A2BUS_ARCADEBOARD__
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#define __A2BUS_ARCADEBOARD__
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#include "emu.h"
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#include "machine/a2bus.h"
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#include "video/tms9928a.h"
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#include "sound/ay8910.h"
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//**************************************************************************
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// TYPE DEFINITIONS
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//**************************************************************************
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class a2bus_arcboard_device:
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public device_t,
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public device_a2bus_card_interface
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{
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public:
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// construction/destruction
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a2bus_arcboard_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
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a2bus_arcboard_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock);
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// optional information overrides
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virtual machine_config_constructor device_mconfig_additions() const;
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protected:
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virtual void device_start();
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virtual void device_reset();
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// overrides of standard a2bus slot functions
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virtual UINT8 read_c0nx(address_space &space, UINT8 offset);
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virtual void write_c0nx(address_space &space, UINT8 offset, UINT8 data);
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required_device<tms9918a_device> m_tms;
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required_device<device_t> m_ay;
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private:
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};
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// device type definition
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extern const device_type A2BUS_ARCADEBOARD;
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#endif /* __A2BUS_ARCADEBOARD__ */
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@ -678,6 +678,7 @@ $(MESSOBJ)/apple.a: \
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$(MESS_MACHINE)/a2alfam2.o \
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$(MESS_MACHINE)/laser128.o \
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$(MESS_MACHINE)/a2echoii.o \
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$(MESS_MACHINE)/a2arcadebd.o \
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$(MESS_MACHINE)/lisa.o \
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$(MESS_DRIVERS)/lisa.o \
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$(MESS_MACHINE)/nubus.o \
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