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https://github.com/holub/mame
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(MESS) mycom : upgraded fdc to modern
This commit is contained in:
Robbbert
parent
61dac0436c
commit
f50043953f
@ -39,11 +39,12 @@
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TODO/info:
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- Sound not working. The info makes its way to the audio chip but for
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some unknown reason, nothing is heard.
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- FDC, type 1771, single sided, capacity 143KBytes, not connected up
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- FDC, little info, guessing (143kb, single sided, 525sd)
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- Cassette doesn't load
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- Printer
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- Keyboard lookup table for Kana and Shifted Kana
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- Keyboard autorepeat
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- Need software
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*******************************************************************************/
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@ -54,30 +55,56 @@
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#include "sound/sn76496.h"
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#include "imagedev/cassette.h"
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#include "sound/wave.h"
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#include "machine/wd17xx.h"
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#include "machine/msm5832.h"
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#include "imagedev/flopdrv.h"
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#include "formats/basicdsk.h"
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#include "machine/wd_fdc.h"
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#define MSM5832RS_TAG "rtc"
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class mycom_state : public driver_device
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{
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public:
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mycom_state(const machine_config &mconfig, device_type type, const char *tag)
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: driver_device(mconfig, type, tag),
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m_maincpu(*this, "maincpu"),
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m_ppi0(*this, "ppi8255_0"),
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m_ppi1(*this, "ppi8255_1"),
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m_ppi2(*this, "ppi8255_2"),
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m_cass(*this, "cassette"),
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m_wave(*this, WAVE_TAG),
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m_crtc(*this, "crtc"),
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m_fdc(*this, "fdc"),
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m_audio(*this, "sn1"),
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m_rtc(*this, MSM5832RS_TAG)
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: driver_device(mconfig, type, tag)
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, m_maincpu(*this, "maincpu")
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, m_ppi0(*this, "ppi8255_0")
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, m_ppi1(*this, "ppi8255_1")
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, m_ppi2(*this, "ppi8255_2")
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, m_cass(*this, "cassette")
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, m_wave(*this, WAVE_TAG)
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, m_crtc(*this, "crtc")
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, m_fdc(*this, "fdc")
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, m_floppy0(*this, "fdc:0")
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, m_floppy1(*this, "fdc:1")
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, m_audio(*this, "sn1")
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, m_rtc(*this, "rtc")
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{ }
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DECLARE_READ8_MEMBER(mycom_upper_r);
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DECLARE_WRITE8_MEMBER(mycom_upper_w);
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DECLARE_READ8_MEMBER(vram_data_r);
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DECLARE_WRITE8_MEMBER(vram_data_w);
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DECLARE_WRITE8_MEMBER(mycom_00_w);
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DECLARE_WRITE8_MEMBER(mycom_04_w);
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DECLARE_WRITE8_MEMBER(mycom_06_w);
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DECLARE_WRITE8_MEMBER(mycom_0a_w);
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DECLARE_READ8_MEMBER(mycom_05_r);
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DECLARE_READ8_MEMBER(mycom_06_r);
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DECLARE_READ8_MEMBER(mycom_08_r);
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DECLARE_DRIVER_INIT(mycom);
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TIMER_DEVICE_CALLBACK_MEMBER(mycom_kbd);
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DECLARE_WRITE8_MEMBER(mycom_rtc_w);
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UINT8 *m_p_videoram;
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UINT8 *m_p_chargen;
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UINT8 m_0a;
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private:
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UINT16 m_i_videoram;
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UINT8 m_keyb_press;
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UINT8 m_keyb_press_flag;
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UINT8 m_sn_we;
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UINT32 m_upper_sw;
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UINT8 *m_p_ram;
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virtual void machine_reset();
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virtual void machine_start();
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virtual void video_start();
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required_device<cpu_device> m_maincpu;
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required_device<i8255_device> m_ppi0;
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required_device<i8255_device> m_ppi1;
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@ -85,35 +112,11 @@ public:
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required_device<cassette_image_device> m_cass;
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required_device<wave_device> m_wave;
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required_device<mc6845_device> m_crtc;
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required_device<fd1771_device> m_fdc;
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required_device<fd1771_t> m_fdc;
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required_device<floppy_connector> m_floppy0;
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required_device<floppy_connector> m_floppy1;
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required_device<sn76489_device> m_audio;
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required_device<msm5832_device> m_rtc;
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DECLARE_READ8_MEMBER( mycom_upper_r );
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DECLARE_WRITE8_MEMBER( mycom_upper_w );
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DECLARE_READ8_MEMBER( vram_data_r );
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DECLARE_WRITE8_MEMBER( vram_data_w );
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DECLARE_WRITE8_MEMBER( mycom_00_w );
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DECLARE_WRITE8_MEMBER( mycom_04_w );
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DECLARE_WRITE8_MEMBER( mycom_06_w );
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DECLARE_WRITE8_MEMBER( mycom_0a_w );
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DECLARE_READ8_MEMBER( mycom_05_r );
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DECLARE_READ8_MEMBER( mycom_06_r );
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DECLARE_READ8_MEMBER( mycom_08_r );
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UINT8 *m_p_videoram;
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UINT8 *m_p_chargen;
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UINT16 m_i_videoram;
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UINT8 m_keyb_press;
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UINT8 m_keyb_press_flag;
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UINT8 m_0a;
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UINT8 m_sn_we;
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UINT32 m_upper_sw;
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UINT8 *m_p_ram;
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virtual void machine_reset();
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virtual void machine_start();
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virtual void video_start();
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DECLARE_DRIVER_INIT(mycom);
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TIMER_DEVICE_CALLBACK_MEMBER(mycom_kbd);
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DECLARE_WRITE8_MEMBER(mycom_rtc_w);
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};
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@ -227,7 +230,7 @@ static ADDRESS_MAP_START(mycom_io, AS_IO, 8, mycom_state)
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AM_RANGE(0x04, 0x07) AM_DEVREADWRITE("ppi8255_0", i8255_device, read, write)
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AM_RANGE(0x08, 0x0b) AM_DEVREADWRITE("ppi8255_1", i8255_device, read, write)
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AM_RANGE(0x0c, 0x0f) AM_DEVREADWRITE("ppi8255_2", i8255_device, read, write)
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AM_RANGE(0x10, 0x13) AM_DEVREADWRITE_LEGACY("fdc", wd17xx_r, wd17xx_w)
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AM_RANGE(0x10, 0x13) AM_DEVREADWRITE("fdc", fd1771_t, read, write)
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ADDRESS_MAP_END
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/* Input ports */
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@ -456,8 +459,8 @@ static I8255_INTERFACE( ppi8255_intf_2 )
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{
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DEVCB_NULL, /* Port A read */
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DEVCB_NULL, /* Port A write */
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DEVCB_DEVICE_MEMBER(MSM5832RS_TAG, msm5832_device, data_r), /* Port B read */
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DEVCB_DEVICE_MEMBER(MSM5832RS_TAG, msm5832_device, data_w), /* Port B write */
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DEVCB_DEVICE_MEMBER("rtc", msm5832_device, data_r), /* Port B read */
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DEVCB_DEVICE_MEMBER("rtc", msm5832_device, data_w), /* Port B write */
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DEVCB_NULL, /* Port C read */
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DEVCB_DRIVER_MEMBER(mycom_state,mycom_rtc_w) /* Port C write */
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};
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@ -515,36 +518,6 @@ TIMER_DEVICE_CALLBACK_MEMBER(mycom_state::mycom_kbd)
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}
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}
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// The floppy parameters are unknown, the below is copied from another driver
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static LEGACY_FLOPPY_OPTIONS_START(mycom)
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LEGACY_FLOPPY_OPTION(mycom, "fdd", "mycom disk image", basicdsk_identify_default, basicdsk_construct_default, NULL,
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HEADS([2])
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TRACKS([82])
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SECTORS([5])
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SECTOR_LENGTH([1024])
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FIRST_SECTOR_ID([1]))
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LEGACY_FLOPPY_OPTIONS_END
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static const floppy_interface mycom_floppy_interface =
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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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DEVCB_NULL,
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DEVCB_NULL,
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FLOPPY_STANDARD_5_25_DSHD,
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LEGACY_FLOPPY_OPTIONS_NAME(mycom),
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NULL,
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NULL
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};
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static const wd17xx_interface wd1771_intf =
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{
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DEVCB_NULL,
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DEVCB_NULL, // no information available
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DEVCB_NULL,
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{FLOPPY_0, FLOPPY_1, NULL, NULL}
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};
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/*************************************
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@ -564,6 +537,10 @@ static const sn76496_config psg_intf =
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};
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static SLOT_INTERFACE_START( mycom_floppies )
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SLOT_INTERFACE( "525sd", FLOPPY_525_SD )
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SLOT_INTERFACE_END
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void mycom_state::machine_start()
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{
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m_p_ram = memregion("maincpu")->base();
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@ -615,10 +592,11 @@ static MACHINE_CONFIG_START( mycom, mycom_state )
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MCFG_SOUND_CONFIG(psg_intf)
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/* Devices */
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MCFG_MSM5832_ADD(MSM5832RS_TAG, XTAL_32_768kHz)
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MCFG_MSM5832_ADD("rtc", XTAL_32_768kHz)
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MCFG_CASSETTE_ADD( "cassette", default_cassette_interface )
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MCFG_FD1771_ADD("fdc", wd1771_intf)
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MCFG_LEGACY_FLOPPY_2_DRIVES_ADD(mycom_floppy_interface)
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MCFG_FD1771x_ADD("fdc", XTAL_16MHz / 16)
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MCFG_FLOPPY_DRIVE_ADD("fdc:0", mycom_floppies, "525sd", floppy_image_device::default_floppy_formats)
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MCFG_FLOPPY_DRIVE_ADD("fdc:1", mycom_floppies, "525sd", floppy_image_device::default_floppy_formats)
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MCFG_TIMER_DRIVER_ADD_PERIODIC("keyboard_timer", mycom_state, mycom_kbd, attotime::from_hz(20))
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MACHINE_CONFIG_END
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