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https://github.com/holub/mame
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(MESS) kc85: Added RS-232 port. (nw)
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Curt Coder
parent
2bec4fef0c
commit
c37e965ff0
@ -31,7 +31,6 @@
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- un-Y2K-hack tandy200
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- keyboard is unresponsive for couple of seconds after boot
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- soft power on/off
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- IM6042 UART
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- pc8201 48K RAM option
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- pc8201 NEC PC-8241A video interface (TMS9918, 16K videoRAM, 8K ROM)
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- pc8201 NEC PC-8233 floppy controller
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@ -39,7 +38,6 @@
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- trsm100 Tandy Portable Disk Drive (TPDD: 100k 3?", TPDD2: 200k 3?") (undumped HD63A01V1 MCU + full custom uPD65002, serial comms via the missing IM6042, not going to happen anytime soon)
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- trsm100 Chipmunk disk drive (384k 3?") (full custom logic, not going to happen)
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- trsm100 RS232/modem select
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- tandy200 UART8251
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- tandy200 RTC alarm
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- tandy200 TCM5089 DTMF sound
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- international keyboard option ROMs
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@ -239,7 +237,8 @@ READ8_MEMBER( kc85_state::uart_status_r )
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UINT8 data = 0x40;
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// TODO carrier detect
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// carrier detect
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data |= m_rs232->dcd_r();
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// overrun error
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data |= m_uart->oe_r() << 1;
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@ -281,7 +280,8 @@ READ8_MEMBER( pc8201_state::uart_status_r )
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UINT8 data = 0x40;
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// TODO data carrier detect / ring detect
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// data carrier detect / ring detect
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data |= m_rs232->dcd_r();
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// overrun error
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data |= m_uart->oe_r() << 1;
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@ -965,6 +965,10 @@ WRITE8_MEMBER( kc85_state::i8155_pb_w )
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m_bell = BIT(data, 5);
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if (m_buzzer) speaker_level_w(m_speaker, m_bell);
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// RS-232
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m_rs232->dtr_w(BIT(data, 6));
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m_rs232->rts_w(BIT(data, 7));
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}
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READ8_MEMBER( kc85_state::i8155_pc_r )
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@ -991,6 +995,10 @@ READ8_MEMBER( kc85_state::i8155_pc_r )
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data |= m_centronics->not_busy_r() << 1;
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data |= m_centronics->busy_r() << 2;
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// RS-232
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data |= m_rs232->cts_r() << 4;
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data |= m_rs232->dsr_r() << 5;
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return data;
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}
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@ -1082,9 +1090,13 @@ READ8_MEMBER( tandy200_state::i8155_pc_r )
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UINT8 data = 0x01;
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// centronics
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data |= m_centronics->not_busy_r() << 1;
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data |= m_centronics->busy_r() << 2;
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// RS-232
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data |= m_rs232->dcd_r() << 4;
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return data;
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}
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@ -1113,8 +1125,8 @@ static IM6402_INTERFACE( uart_intf )
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{
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0,
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0,
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DEVCB_NULL,
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DEVCB_NULL,
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DEVCB_DEVICE_LINE_MEMBER(RS232_TAG, serial_port_device, rx),
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DEVCB_DEVICE_LINE_MEMBER(RS232_TAG, serial_port_device, tx),
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DEVCB_NULL,
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DEVCB_NULL,
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DEVCB_NULL
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@ -1124,10 +1136,23 @@ static IM6402_INTERFACE( uart_intf )
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static const i8251_interface tandy200_uart_intf =
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{
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DEVCB_DEVICE_LINE_MEMBER(RS232_TAG, serial_port_device, rx),
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DEVCB_DEVICE_LINE_MEMBER(RS232_TAG, serial_port_device, tx),
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DEVCB_DEVICE_LINE_MEMBER(RS232_TAG, rs232_port_device, dsr_r),
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DEVCB_DEVICE_LINE_MEMBER(RS232_TAG, rs232_port_device, dtr_w),
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DEVCB_DEVICE_LINE_MEMBER(RS232_TAG, rs232_port_device, rts_w),
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DEVCB_NULL,
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DEVCB_NULL,
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DEVCB_NULL,
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DEVCB_NULL,
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DEVCB_NULL
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};
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//-------------------------------------------------
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// rs232_port_interface rs232_intf
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//-------------------------------------------------
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static const rs232_port_interface rs232_intf =
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{
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DEVCB_NULL,
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DEVCB_NULL,
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DEVCB_NULL,
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@ -1281,16 +1306,14 @@ static const cassette_interface kc85_cassette_interface =
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NULL
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};
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WRITE_LINE_MEMBER(kc85_state::kc85_sod_w)
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WRITE_LINE_MEMBER( kc85_state::kc85_sod_w )
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{
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device_t *device = machine().device(CASSETTE_TAG);
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dynamic_cast<cassette_image_device *>(device)->output(state ? +1.0 : -1.0);
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m_cassette->output(state ? +1.0 : -1.0);
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}
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READ_LINE_MEMBER(kc85_state::kc85_sid_r)
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READ_LINE_MEMBER( kc85_state::kc85_sid_r )
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{
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device_t *device = machine().device(CASSETTE_TAG);
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return dynamic_cast<cassette_image_device *>(device)->input() > 0.0;
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return m_cassette->input() > 0.0;
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}
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static I8085_CONFIG( kc85_i8085_config )
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@ -1327,6 +1350,7 @@ static MACHINE_CONFIG_START( kc85, kc85_state )
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MCFG_I8155_ADD(I8155_TAG, XTAL_4_9152MHz/2, kc85_8155_intf)
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MCFG_UPD1990A_ADD(UPD1990A_TAG, XTAL_32_768kHz, kc85_upd1990a_intf)
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MCFG_IM6402_ADD(IM6402_TAG, uart_intf)
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MCFG_RS232_PORT_ADD(RS232_TAG, rs232_intf, default_rs232_devices, NULL, NULL)
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MCFG_CENTRONICS_PRINTER_ADD(CENTRONICS_TAG, standard_centronics)
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MCFG_CASSETTE_ADD(CASSETTE_TAG, kc85_cassette_interface)
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@ -1364,6 +1388,7 @@ static MACHINE_CONFIG_START( pc8201, pc8201_state )
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MCFG_I8155_ADD(I8155_TAG, XTAL_4_9152MHz/2, kc85_8155_intf)
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MCFG_UPD1990A_ADD(UPD1990A_TAG, XTAL_32_768kHz, kc85_upd1990a_intf)
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MCFG_IM6402_ADD(IM6402_TAG, uart_intf)
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MCFG_RS232_PORT_ADD(RS232_TAG, rs232_intf, default_rs232_devices, NULL, NULL)
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MCFG_CENTRONICS_PRINTER_ADD(CENTRONICS_TAG, standard_centronics)
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MCFG_CASSETTE_ADD(CASSETTE_TAG, kc85_cassette_interface)
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@ -1407,6 +1432,7 @@ static MACHINE_CONFIG_START( trsm100, trsm100_state )
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MCFG_I8155_ADD(I8155_TAG, XTAL_4_9152MHz/2, kc85_8155_intf)
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MCFG_UPD1990A_ADD(UPD1990A_TAG, XTAL_32_768kHz, kc85_upd1990a_intf)
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MCFG_IM6402_ADD(IM6402_TAG, uart_intf)
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MCFG_RS232_PORT_ADD(RS232_TAG, rs232_intf, default_rs232_devices, NULL, NULL)
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MCFG_CENTRONICS_PRINTER_ADD(CENTRONICS_TAG, standard_centronics)
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MCFG_CASSETTE_ADD(CASSETTE_TAG, kc85_cassette_interface)
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// MCFG_MC14412_ADD(MC14412_TAG, XTAL_1MHz)
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@ -1455,6 +1481,7 @@ static MACHINE_CONFIG_START( tandy200, tandy200_state )
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MCFG_I8155_ADD(I8155_TAG, XTAL_4_9152MHz/2, tandy200_8155_intf)
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MCFG_RP5C01_ADD(RP5C01A_TAG, XTAL_32_768kHz, tandy200_rtc_intf)
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MCFG_I8251_ADD(I8251_TAG, /*XTAL_4_9152MHz/2,*/ tandy200_uart_intf)
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MCFG_RS232_PORT_ADD(RS232_TAG, rs232_intf, default_rs232_devices, NULL, NULL)
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// MCFG_MC14412_ADD(MC14412_TAG, XTAL_1MHz)
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MCFG_CENTRONICS_PRINTER_ADD(CENTRONICS_TAG, standard_centronics)
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MCFG_CASSETTE_ADD(CASSETTE_TAG, kc85_cassette_interface)
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@ -14,6 +14,7 @@
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#include "machine/im6402.h"
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#include "machine/ram.h"
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#include "machine/rp5c01.h"
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#include "machine/serial.h"
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#include "machine/upd1990a.h"
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#include "video/hd44102.h"
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#include "video/hd61830.h"
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@ -37,6 +38,7 @@
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#define HD44102_8_TAG "m9"
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#define HD44102_9_TAG "m10"
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#define CENTRONICS_TAG "centronics"
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#define RS232_TAG "rs232"
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//#define I8085_TAG "m19"
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//#define I8155_TAG "m12"
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@ -68,6 +70,7 @@ public:
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m_speaker(*this, SPEAKER_TAG),
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m_cassette(*this, CASSETTE_TAG),
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m_ram(*this, RAM_TAG),
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m_rs232(*this, RS232_TAG),
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m_rom(*this, I8085_TAG),
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m_option(*this, "option"),
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m_y0(*this, "Y0"),
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@ -99,6 +102,7 @@ public:
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required_device<speaker_sound_device> m_speaker;
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required_device<cassette_image_device> m_cassette;
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required_device<ram_device> m_ram;
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required_device<rs232_port_device> m_rs232;
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required_memory_region m_rom;
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required_memory_region m_option;
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required_ioport m_y0;
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@ -191,6 +195,7 @@ public:
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m_speaker(*this, SPEAKER_TAG),
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m_cassette(*this, CASSETTE_TAG),
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m_ram(*this, RAM_TAG),
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m_rs232(*this, RS232_TAG),
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m_rom(*this, I8085_TAG),
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m_option(*this, "option"),
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m_y0(*this, "Y0"),
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@ -211,6 +216,7 @@ public:
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required_device<speaker_sound_device> m_speaker;
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required_device<cassette_image_device> m_cassette;
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required_device<ram_device> m_ram;
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required_device<rs232_port_device> m_rs232;
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required_memory_region m_rom;
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required_memory_region m_option;
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required_ioport m_y0;
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