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https://github.com/holub/mame
synced 2025-05-28 08:33:05 +03:00
(MESS) fp: Floppy modernization. (nw)
This commit is contained in:
Curt Coder
parent
a526f94bfa
commit
394ee300e4
@ -74,7 +74,7 @@ static const mc6845_interface crtc_intf =
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void fp_state::video_start()
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{
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// allocate memory
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m_video_ram = auto_alloc_array(machine(), UINT16, 0x20000);
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m_video_ram.allocate(0x20000);
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}
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@ -124,26 +124,30 @@ READ8_MEMBER( fp_state::prtr_snd_r )
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{
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/*
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bit description
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bit description
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0 BUSY
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1 SE
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2 _FAULT
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3 PE
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4 LP23
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5 DCNG-L
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6 J9 1-2
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7 J9 3-4
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0 BUSY
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1 SE
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2 _FAULT
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3 PE
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4 LP23
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5 DCNG-L
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6 J9 1-2
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7 J9 3-4
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*/
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*/
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UINT8 data = 0;
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// centronics
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data |= m_centronics->busy_r();
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data |= m_centronics->vcc_r() << 1;
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data |= m_centronics->fault_r() << 2;
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data |= m_centronics->pe_r() << 3;
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// floppy
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data |= (m_floppy ? m_floppy->dskchg_r() : 1) << 5;
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return data;
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}
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@ -169,18 +173,18 @@ WRITE8_MEMBER( fp_state::palette_w )
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{
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/*
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bit description
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bit description
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0 B
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1 G
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2 R
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3 I
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4 index
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5 index
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6 index
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7 index
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0 B
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1 G
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2 R
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3 I
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4 index
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5 index
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6 index
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7 index
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*/
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*/
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}
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@ -188,30 +192,58 @@ WRITE16_MEMBER( fp_state::video_w )
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{
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/*
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bit description
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bit description
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0 CRTRES-H
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1 SEL1
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2 DON-H
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3 LCDON-H
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4 SEL2
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5 L3 even access
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6 L2 odd access
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7 L1 video RAM enable
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8
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9 STOP LED
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10 POWER LED
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11 SHIFT LOCK LED
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12 DISK LED
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13 VOICE LED
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14 COLOUR SELECT LED
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15 CAPS LOCK LED
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0 CRTRES-H
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1 SEL1
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2 DON-H
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3 LCDON-H
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4 SEL2
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5 L3 even access
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6 L2 odd access
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7 L1 video RAM enable
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8
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9 STOP LED
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10 POWER LED
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11 SHIFT LOCK LED
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12 DISK LED
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13 VOICE LED
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14 COLOUR SELECT LED
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15 CAPS LOCK LED
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*/
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*/
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m_video = data & 0xff;
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}
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void fp_state::lat_ls259_w(offs_t offset, int state)
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{
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switch (offset)
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{
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case 0:
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{
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m_floppy = NULL;
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if (state) m_floppy = m_floppy0->get_device();
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else m_floppy = m_floppy1->get_device();
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m_fdc->set_floppy(m_floppy);
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if (m_floppy)
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{
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m_floppy->set_rpm(600);
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m_floppy->mon_w(0);
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}
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}
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break;
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}
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}
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WRITE8_MEMBER( fp_state::lat_w )
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{
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lat_ls259_w((offset >> 1) & 0x07, BIT(data, 0));
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}
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READ16_MEMBER( fp_state::mem_r )
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{
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@ -312,7 +344,7 @@ ADDRESS_MAP_END
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static ADDRESS_MAP_START( fp_io, AS_IO, 16, fp_state )
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ADDRESS_MAP_UNMAP_HIGH
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AM_RANGE(0x000, 0x007) AM_DEVREADWRITE8_LEGACY(WD2797_TAG, wd17xx_r, wd17xx_w, 0x00ff)
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AM_RANGE(0x000, 0x007) AM_DEVREADWRITE8(WD2797_TAG, wd2797_t, read, write, 0x00ff)
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AM_RANGE(0x008, 0x00f) AM_DEVREADWRITE8_LEGACY(I8253A5_TAG, pit8253_r, pit8253_w, 0x00ff)
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AM_RANGE(0x018, 0x01f) AM_DEVREADWRITE8_LEGACY(Z80SIO0_TAG, z80dart_ba_cd_r, z80dart_ba_cd_w, 0x00ff)
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AM_RANGE(0x020, 0x021) AM_DEVWRITE8(CENTRONICS_TAG, centronics_device, write, 0x00ff)
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@ -445,8 +477,8 @@ static I8237_INTERFACE( dmac_intf )
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DEVCB_DEVICE_LINE(I8259A_TAG, pic8259_ir7_w),
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DEVCB_NULL,
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DEVCB_NULL,
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{ DEVCB_NULL, DEVCB_DEVICE_HANDLER(WD2797_TAG, wd17xx_data_r), DEVCB_NULL, DEVCB_NULL },
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{ DEVCB_NULL, DEVCB_DEVICE_HANDLER(WD2797_TAG, wd17xx_data_w), DEVCB_NULL, DEVCB_NULL },
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{ DEVCB_NULL, DEVCB_DEVICE_MEMBER(WD2797_TAG, wd_fdc_t, data_r), DEVCB_NULL, DEVCB_NULL },
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{ DEVCB_NULL, DEVCB_DEVICE_MEMBER(WD2797_TAG, wd_fdc_t, data_w), DEVCB_NULL, DEVCB_NULL },
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{ DEVCB_NULL, DEVCB_NULL, DEVCB_NULL, DEVCB_NULL }
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};
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@ -481,35 +513,29 @@ static Z80DART_INTERFACE( sio_intf )
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// wd17xx_interface fdc_intf
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//-------------------------------------------------
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static SLOT_INTERFACE_START( fp_floppies )
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SLOT_INTERFACE( "35dd", FLOPPY_35_DD ) // Sony OA-D32W (600 rpm)
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SLOT_INTERFACE_END
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/*
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static LEGACY_FLOPPY_OPTIONS_START( act )
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LEGACY_FLOPPY_OPTION( img2hd, "dsk", "2HD disk image", basicdsk_identify_default, basicdsk_construct_default, NULL,
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HEADS([2])
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TRACKS([80])
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SECTORS([16])
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SECTOR_LENGTH([256])
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FIRST_SECTOR_ID([1]))
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LEGACY_FLOPPY_OPTION( img2hd, "dsk", "2HD disk image", basicdsk_identify_default, basicdsk_construct_default, NULL,
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HEADS([2])
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TRACKS([80])
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SECTORS([16])
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SECTOR_LENGTH([256])
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FIRST_SECTOR_ID([1]))
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LEGACY_FLOPPY_OPTIONS_END
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*/
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static const floppy_interface act_floppy_interface =
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void fp_state::fdc_intrq_w(bool state)
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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_3_5_DSDD, // Sony OA-D32W
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LEGACY_FLOPPY_OPTIONS_NAME(act),
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"floppy_3_5",
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NULL
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};
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m_pic->ir1_w(state);
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}
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static const wd17xx_interface fdc_intf =
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void fp_state::fdc_drq_w(bool state)
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{
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DEVCB_LINE_GND,
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DEVCB_DEVICE_LINE(I8259A_TAG, pic8259_ir1_w),
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DEVCB_DEVICE_LINE_MEMBER(I8237_TAG, am9517a_device, dreq1_w),
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{ FLOPPY_0, NULL, NULL, NULL }
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};
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m_dmac->dreq1_w(state);
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}
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//-------------------------------------------------
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@ -518,7 +544,7 @@ static const wd17xx_interface fdc_intf =
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WRITE_LINE_MEMBER( fp_state::busy_w )
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{
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if (!state) pic8259_ir6_w(m_pic, ASSERT_LINE);
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if (!state) pic8259_ir6_w(m_pic, ASSERT_LINE);
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}
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static const centronics_interface centronics_intf =
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@ -542,7 +568,7 @@ static const centronics_interface centronics_intf =
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static const sn76496_config psg_intf =
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{
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DEVCB_NULL
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DEVCB_NULL
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};
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@ -556,11 +582,15 @@ static const sn76496_config psg_intf =
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void fp_state::machine_start()
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{
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// floppy callbacks
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m_fdc->setup_intrq_cb(wd_fdc_t::line_cb(FUNC(fp_state::fdc_intrq_w), this));
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m_fdc->setup_drq_cb(wd_fdc_t::line_cb(FUNC(fp_state::fdc_drq_w), this));
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// register CPU IRQ callback
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m_maincpu->set_irq_acknowledge_callback(fp_irq_callback);
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// allocate memory
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m_work_ram = auto_alloc_array(machine(), UINT16, m_ram->size() / 2);
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m_work_ram.allocate(m_ram->size() / 2);
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}
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@ -571,6 +601,13 @@ void fp_state::machine_start()
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void fp_state::machine_reset()
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{
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m_video = 0;
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m_fdc->dden_w(0);
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for (offs_t offset = 0; offset < 7; offset++)
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{
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lat_ls259_w(offset, 0);
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}
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}
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@ -627,8 +664,9 @@ static MACHINE_CONFIG_START( fp, fp_state )
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MCFG_PIC8259_ADD(I8259A_TAG, pic_intf)
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MCFG_PIT8253_ADD(I8253A5_TAG, pit_intf)
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MCFG_Z80DART_ADD(Z80SIO0_TAG, 2500000, sio_intf)
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MCFG_WD2797_ADD(WD2797_TAG, fdc_intf)
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MCFG_LEGACY_FLOPPY_2_DRIVES_ADD(act_floppy_interface)
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MCFG_WD2797x_ADD(WD2797_TAG, 2000000)
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MCFG_FLOPPY_DRIVE_ADD(WD2797_TAG":0", fp_floppies, "35dd", NULL, floppy_image_device::default_floppy_formats)
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MCFG_FLOPPY_DRIVE_ADD(WD2797_TAG":1", fp_floppies, NULL, NULL, floppy_image_device::default_floppy_formats)
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MCFG_CENTRONICS_PRINTER_ADD(CENTRONICS_TAG, centronics_intf)
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/* internal ram */
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@ -649,8 +687,8 @@ MACHINE_CONFIG_END
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ROM_START( fp )
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ROM_REGION( 0x8000, I8086_TAG, 0 )
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ROM_LOAD16_BYTE( "lo_fp_3.1.ic20", 0x0000, 0x4000, CRC(0572add2) SHA1(c7ab0e5ced477802e37f9232b5673f276b8f5623) ) // Labelled 11212721 F97E PORT LO VR 3.1
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ROM_LOAD16_BYTE( "hi_fp_3.1.ic9", 0x0001, 0x4000, CRC(3903674b) SHA1(8418682dcc0c52416d7d851760fea44a3cf2f914) ) // Labelled 11212721 BD2D PORT HI VR 3.1
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ROM_LOAD16_BYTE( "lo_fp_3.1.ic20", 0x0000, 0x4000, CRC(0572add2) SHA1(c7ab0e5ced477802e37f9232b5673f276b8f5623) ) // Labelled 11212721 F97E PORT LO VR 3.1
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ROM_LOAD16_BYTE( "hi_fp_3.1.ic9", 0x0001, 0x4000, CRC(3903674b) SHA1(8418682dcc0c52416d7d851760fea44a3cf2f914) ) // Labelled 11212721 BD2D PORT HI VR 3.1
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ROM_REGION( 0x1000, HD63B01V1_TAG, 0 )
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ROM_LOAD( "voice interface hd63b01v01.ic29", 0x0000, 0x1000, NO_DUMP )
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@ -7,15 +7,13 @@
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#include "emu.h"
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#include "cpu/i86/i86.h"
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#include "cpu/m6800/m6800.h"
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#include "formats/basicdsk.h"
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#include "imagedev/flopdrv.h"
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#include "machine/am9517a.h"
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#include "machine/apricotkb.h"
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#include "machine/ctronics.h"
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#include "machine/pic8259.h"
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#include "machine/pit8253.h"
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#include "machine/ram.h"
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#include "machine/wd17xx.h"
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#include "machine/wd_fdc.h"
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#include "machine/z80dart.h"
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#include "sound/sn76496.h"
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#include "video/mc6845.h"
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@ -27,22 +25,22 @@
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// MACROS / CONSTANTS
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//**************************************************************************
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#define I8086_TAG "ic7"
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#define I8284_TAG "ic30"
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#define I8237_TAG "ic17"
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#define I8259A_TAG "ic51"
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#define I8253A5_TAG "ic20"
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#define TMS4500_TAG "ic42"
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#define MC6845_TAG "ic69"
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#define HD63B01V1_TAG "ic29"
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#define AD7574_TAG "ic34"
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#define AD1408_TAG "ic37"
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#define Z80SIO0_TAG "ic6"
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#define WD2797_TAG "ic5"
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#define SN76489AN_TAG "ic13"
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#define CENTRONICS_TAG "centronics"
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#define SCREEN_LCD_TAG "screen0"
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#define SCREEN_CRT_TAG "screen1"
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#define I8086_TAG "ic7"
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#define I8284_TAG "ic30"
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#define I8237_TAG "ic17"
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#define I8259A_TAG "ic51"
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#define I8253A5_TAG "ic20"
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#define TMS4500_TAG "ic42"
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#define MC6845_TAG "ic69"
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#define HD63B01V1_TAG "ic29"
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#define AD7574_TAG "ic34"
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#define AD1408_TAG "ic37"
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#define Z80SIO0_TAG "ic6"
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#define WD2797_TAG "ic5"
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#define SN76489AN_TAG "ic13"
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#define CENTRONICS_TAG "centronics"
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#define SCREEN_LCD_TAG "screen0"
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#define SCREEN_CRT_TAG "screen1"
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@ -57,17 +55,21 @@ class fp_state : public driver_device
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public:
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fp_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, I8086_TAG),
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m_soundcpu(*this, HD63B01V1_TAG),
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m_dmac(*this, I8237_TAG),
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m_pic(*this, I8259A_TAG),
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m_pit(*this, I8253A5_TAG),
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m_sio(*this, Z80SIO0_TAG),
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m_fdc(*this, WD2797_TAG),
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m_crtc(*this, MC6845_TAG),
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m_ram(*this, RAM_TAG),
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m_floppy0(*this, FLOPPY_0),
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m_centronics(*this, CENTRONICS_TAG)
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m_maincpu(*this, I8086_TAG),
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m_soundcpu(*this, HD63B01V1_TAG),
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m_dmac(*this, I8237_TAG),
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m_pic(*this, I8259A_TAG),
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m_pit(*this, I8253A5_TAG),
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m_sio(*this, Z80SIO0_TAG),
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m_fdc(*this, WD2797_TAG),
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m_crtc(*this, MC6845_TAG),
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m_ram(*this, RAM_TAG),
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m_floppy0(*this, WD2797_TAG":0"),
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m_floppy1(*this, WD2797_TAG":1"),
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m_floppy(NULL),
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m_centronics(*this, CENTRONICS_TAG),
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m_work_ram(*this, "work_ram"),
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m_video_ram(*this, "video_ram")
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{ }
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required_device<cpu_device> m_maincpu;
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@ -76,10 +78,12 @@ public:
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required_device<pic8259_device> m_pic;
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required_device<pit8253_device> m_pit;
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required_device<z80dart_device> m_sio;
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required_device<wd2797_device> m_fdc;
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required_device<wd2797_t> m_fdc;
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required_device<mc6845_device> m_crtc;
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required_device<ram_device> m_ram;
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required_device<legacy_floppy_image_device> m_floppy0;
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required_device<floppy_connector> m_floppy0;
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required_device<floppy_connector> m_floppy1;
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floppy_image_device *m_floppy;
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required_device<centronics_device> m_centronics;
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virtual void machine_start();
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@ -96,12 +100,17 @@ public:
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DECLARE_WRITE8_MEMBER( contrast_w );
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DECLARE_WRITE8_MEMBER( palette_w );
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DECLARE_WRITE16_MEMBER( video_w );
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DECLARE_WRITE8_MEMBER( lat_w );
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DECLARE_WRITE_LINE_MEMBER( busy_w );
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void fdc_intrq_w(bool state);
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void fdc_drq_w(bool state);
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UINT16 *m_work_ram;
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void lat_ls259_w(offs_t offset, int state);
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optional_shared_ptr<UINT16> m_work_ram;
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// video state
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UINT16 *m_video_ram;
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optional_shared_ptr<UINT16> m_video_ram;
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UINT8 m_video;
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};
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