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https://github.com/holub/mame
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fidel68k: added cartridge slot
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hap
parent
51061219be
commit
add69b7d8a
9
hash/fidel_eag.xml
Normal file
9
hash/fidel_eag.xml
Normal file
@ -0,0 +1,9 @@
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<?xml version="1.0"?>
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<!DOCTYPE softwarelist SYSTEM "softwarelist.dtd">
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<softwarelist name="fidel_eag" description="Fidelity EAG Modules">
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<!-- no dumps yet -->
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</softwarelist>
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@ -309,8 +309,8 @@ public:
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DECLARE_READ_LINE_MEMBER(csc_pia1_cb1_r);
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// SC12/6086
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DECLARE_MACHINE_START(sc12);
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DECLARE_DEVICE_IMAGE_LOAD_MEMBER(scc_cartridge);
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DECLARE_READ8_MEMBER(sc12_cart_r);
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DECLARE_WRITE8_MEMBER(sc12_control_w);
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DECLARE_READ8_MEMBER(sc12_input_r);
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@ -478,12 +478,12 @@ DEVICE_IMAGE_LOAD_MEMBER(fidel6502_state, scc_cartridge)
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return IMAGE_INIT_PASS;
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}
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MACHINE_START_MEMBER(fidel6502_state, sc12)
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READ8_MEMBER(fidel6502_state::sc12_cart_r)
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{
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if (m_cart->exists())
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m_maincpu->space(AS_PROGRAM).install_read_handler(0x2000, 0x5fff, read8_delegate(FUNC(generic_slot_device::read_rom),(generic_slot_device*)m_cart));
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fidelz80base_state::machine_start();
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return m_cart->read_rom(space, offset);
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else
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return 0;
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}
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@ -617,6 +617,7 @@ ADDRESS_MAP_END
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static ADDRESS_MAP_START( sc12_map, AS_PROGRAM, 8, fidel6502_state )
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ADDRESS_MAP_UNMAP_HIGH
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AM_RANGE(0x0000, 0x0fff) AM_RAM
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AM_RANGE(0x2000, 0x5fff) AM_READ(sc12_cart_r)
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AM_RANGE(0x6000, 0x6000) AM_MIRROR(0x1fff) AM_WRITE(sc12_control_w)
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AM_RANGE(0x8000, 0x9fff) AM_ROM
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AM_RANGE(0xa000, 0xa007) AM_MIRROR(0x1ff8) AM_READ(sc12_input_r)
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@ -859,8 +860,6 @@ static MACHINE_CONFIG_START( sc12, fidel6502_state )
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MCFG_TIMER_DRIVER_ADD_PERIODIC("display_decay", fidelz80base_state, display_decay_tick, attotime::from_msec(1))
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MCFG_DEFAULT_LAYOUT(layout_fidel_sc12)
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MCFG_MACHINE_START_OVERRIDE(fidel6502_state, sc12)
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/* sound hardware */
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MCFG_SPEAKER_STANDARD_MONO("mono")
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MCFG_SOUND_ADD("speaker", SPEAKER_SOUND, 0)
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@ -7,7 +7,6 @@
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TODO:
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- how does dual-CPU work?
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- the EAG manual mentions optional voice(speech)
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- where does the cartridge slot map to?
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- IRQ level/timing is unknown
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******************************************************************************
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@ -29,15 +28,17 @@ V6-V11 are on model 6117. Older 1986 model 6081 uses a 6502 CPU.
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- MC68HC000P12F 16MHz CPU, 16MHz XTAL
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- MB1422A DRAM Controller, 25MHz XTAL near, 4 DRAM slots(V2: slot 1 and 2 64KB)
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- 2*27C512 64KB EPROM, 2*KM6264AL-10 8KB SRAM, 2*AT28C64X 8KB EEPROM
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- external module slot, no dumps yet
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- OKI M82C51A-2 USART, 4.9152MHz XTAL, assume it's used for factory test/debug
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- other special: Chessboard squares are magnet sensors
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- other special: magnet sensors, external module slot
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IRQ source is unknown. Several possibilities:
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- NE555 timer IC
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- MM/SN74HC4060 binary counter IC (near the M82C51A)
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- one of the XTALs, plus divider of course
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The module slot pinout is different from SCC series. The data on those appears
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to be compatible with EAG though and will load fine with an adapter.
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Memory map: (of what is known)
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-----------
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000000-01FFFF: 128KB ROM
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@ -47,6 +48,7 @@ Memory map: (of what is known)
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300000-30000F W lo d0: NE591: LED data
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300000-30000F R lo d7: 74259: keypad rows 0-7
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400000-400001 W lo d0-d3: 74145/7442: led/keypad mux, buzzer out
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400000-4????? R hi: external module slot
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700002-700003 R lo d7: 74251: keypad row 8
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604000-607FFF: 16KB EEPROM
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@ -69,16 +71,16 @@ V11: 68060, 2MB h.RAM, high speed
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- MC68020RC25E CPU, QFP 25MHz XTAL, 2*GAL16V8C
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- 4*AS7C164-20PC 8KB SRAM, 2*KM684000ALG-7L 512KB CMOS SRAM
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- 2*27C512? 64KB EPROM, 2*HM6264LP-15 8KB SRAM, 2*AT28C64B 8KB EEPROM
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- same as 6114: M82C51A, SN74HC4060, module slot?, chessboard
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- same as 6114: M82C51A, SN74HC4060, module slot, chessboard
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Memory map:
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-----------
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000000-01FFFF: 128KB ROM
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104000-107FFF: 16KB SRAM (unused?)
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200000-2FFFFF: hashtable SRAM
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300000-30000F: see model 6114
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400000-400007: see model 6114
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700000-700003: see model 6114
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300000-30000x: see model 6114
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400000-40000x: see model 6114
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700000-70000x: see model 6114
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604000-607FFF: 16KB EEPROM
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800000-807FFF: 32KB SRAM
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@ -87,6 +89,9 @@ Memory map:
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#include "emu.h"
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#include "cpu/m68000/m68000.h"
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#include "machine/nvram.h"
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#include "bus/generic/slot.h"
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#include "bus/generic/carts.h"
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#include "softlist.h"
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#include "includes/fidelz80.h"
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@ -98,11 +103,17 @@ class fidel68k_state : public fidelz80base_state
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{
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public:
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fidel68k_state(const machine_config &mconfig, device_type type, const char *tag)
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: fidelz80base_state(mconfig, type, tag)
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: fidelz80base_state(mconfig, type, tag),
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m_cart(*this, "cartslot")
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{ }
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// EAG(6114)
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// devices/pointers
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optional_device<generic_slot_device> m_cart;
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// EAG(6114/6117)
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void eag_prepare_display();
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DECLARE_DEVICE_IMAGE_LOAD_MEMBER(eag_cartridge);
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DECLARE_READ8_MEMBER(eag_cart_r);
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DECLARE_READ8_MEMBER(eag_input1_r);
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DECLARE_WRITE8_MEMBER(eag_leds_w);
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DECLARE_WRITE8_MEMBER(eag_7seg_w);
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@ -129,6 +140,34 @@ void fidel68k_state::eag_prepare_display()
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}
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// cartridge
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DEVICE_IMAGE_LOAD_MEMBER(fidel68k_state, eag_cartridge)
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{
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UINT32 size = m_cart->common_get_size("rom");
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// max size is 16KB?
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if (size > 0x4000)
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{
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image.seterror(IMAGE_ERROR_UNSPECIFIED, "Invalid file size");
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return IMAGE_INIT_FAIL;
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}
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m_cart->rom_alloc(size, GENERIC_ROM8_WIDTH, ENDIANNESS_LITTLE);
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m_cart->common_load_rom(m_cart->get_rom_base(), size, "rom");
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return IMAGE_INIT_PASS;
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}
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READ8_MEMBER(fidel68k_state::eag_cart_r)
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{
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if (m_cart->exists())
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return m_cart->read_rom(space, offset);
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else
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return 0;
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}
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// TTL
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READ8_MEMBER(fidel68k_state::eag_input1_r)
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@ -182,6 +221,7 @@ static ADDRESS_MAP_START( eag_map, AS_PROGRAM, 16, fidel68k_state )
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AM_RANGE(0x200000, 0x2fffff) AM_RAM // DRAM slots
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AM_RANGE(0x300000, 0x30000f) AM_MIRROR(0x000010) AM_READWRITE8(eag_input1_r, eag_leds_w, 0x00ff)
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AM_RANGE(0x300000, 0x30000f) AM_MIRROR(0x000010) AM_WRITE8(eag_7seg_w, 0xff00) AM_READNOP
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AM_RANGE(0x400000, 0x407fff) AM_READ8(eag_cart_r, 0xff00)
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AM_RANGE(0x400000, 0x400001) AM_WRITE8(eag_mux_w, 0x00ff)
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AM_RANGE(0x400002, 0x400007) AM_WRITENOP // ?
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AM_RANGE(0x604000, 0x607fff) AM_RAM AM_SHARE("nvram")
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@ -190,9 +230,11 @@ ADDRESS_MAP_END
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static ADDRESS_MAP_START( eagv7_map, AS_PROGRAM, 32, fidel68k_state )
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AM_RANGE(0x000000, 0x01ffff) AM_ROM
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AM_RANGE(0x104000, 0x107fff) AM_RAM
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AM_RANGE(0x200000, 0x2fffff) AM_RAM
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AM_RANGE(0x300000, 0x30000f) AM_MIRROR(0x000010) AM_READWRITE8(eag_input1_r, eag_leds_w, 0x00ff00ff)
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AM_RANGE(0x300000, 0x30000f) AM_MIRROR(0x000010) AM_WRITE8(eag_7seg_w, 0xff00ff00) AM_READNOP
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AM_RANGE(0x400000, 0x407fff) AM_READ8(eag_cart_r, 0xff00ff00)
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AM_RANGE(0x400000, 0x400003) AM_WRITE8(eag_mux_w, 0x00ff0000)
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AM_RANGE(0x400004, 0x400007) AM_WRITENOP // ?
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AM_RANGE(0x604000, 0x607fff) AM_RAM AM_SHARE("nvram")
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@ -323,6 +365,13 @@ static MACHINE_CONFIG_START( eag, fidel68k_state )
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MCFG_SPEAKER_STANDARD_MONO("mono")
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MCFG_SOUND_ADD("speaker", SPEAKER_SOUND, 0)
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MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.25)
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/* cartridge */
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MCFG_GENERIC_CARTSLOT_ADD("cartslot", generic_plain_slot, "fidel_eag")
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MCFG_GENERIC_EXTENSIONS("bin,dat")
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MCFG_GENERIC_LOAD(fidel68k_state, eag_cartridge)
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MCFG_SOFTWARE_LIST_ADD("cart_list", "fidel_eag")
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MCFG_SOFTWARE_LIST_COMPATIBLE_ADD("fidel_scc_list", "fidel_scc")
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MACHINE_CONFIG_END
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static MACHINE_CONFIG_DERIVED( eagv7, eag )
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