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(MESS) mbc200 : converted to new wdc

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Regression: disk is not ready
This commit is contained in:
Robbbert 2014-05-18 12:26:29 +00:00
parent 7c9fb73622
commit 7b7f2f8291
1 changed files with 41 additions and 33 deletions
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74
src/mess/drivers/mbc200.c
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@ -28,44 +28,41 @@
#include "machine/i8255.h"
#include "machine/i8251.h"
#include "video/mc6845.h"
#include "machine/wd17xx.h"
#include "formats/basicdsk.h"
#include "imagedev/flopdrv.h"
#include "machine/wd_fdc.h"
class mbc200_state : public driver_device
{
public:
mbc200_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag),
m_6845(*this, "crtc"),
m_fdc(*this, "fdc"),
m_ppi(*this, "ppi8255_2"),
m_floppy0(*this, FLOPPY_0),
m_floppy1(*this, FLOPPY_1),
m_vram(*this, "vram"),
m_maincpu(*this, "maincpu"),
m_palette(*this, "palette") { }
virtual void machine_start();
required_device<mc6845_device> m_6845;
required_device<mb8876_device> m_fdc;
required_device<i8255_device> m_ppi;
required_device<legacy_floppy_image_device> m_floppy0;
required_device<legacy_floppy_image_device> m_floppy1;
: driver_device(mconfig, type, tag)
, m_palette(*this, "palette")
, m_crtc(*this, "crtc")
, m_ppi(*this, "ppi8255_2")
, m_vram(*this, "vram")
, m_maincpu(*this, "maincpu")
, m_fdc(*this, "fdc")
, m_floppy0(*this, "fdc:0")
, m_floppy1(*this, "fdc:1")
{ }
DECLARE_READ8_MEMBER(from_master_r);
DECLARE_WRITE8_MEMBER(porta_w);
DECLARE_READ8_MEMBER(ppi_hs_r);
UINT32 screen_update_mbc200(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
required_device<palette_device> m_palette;
private:
virtual void machine_start();
UINT8 m_hs_bit;
UINT8 m_comm_latch;
required_shared_ptr<UINT8> m_vram;
virtual void video_start();
UINT32 screen_update_mbc200(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
required_device<mc6845_device> m_crtc;
required_device<i8255_device> m_ppi;
required_shared_ptr<UINT8> m_vram;
required_device<cpu_device> m_maincpu;
required_device<palette_device> m_palette;
required_device<mb8876_t> m_fdc;
required_device<floppy_connector> m_floppy0;
required_device<floppy_connector> m_floppy1;
};
@ -85,7 +82,7 @@ static ADDRESS_MAP_START( mbc200_io , AS_IO, 8, mbc200_state)
ADDRESS_MAP_GLOBAL_MASK(0xff)
AM_RANGE(0xe0, 0xe0) AM_DEVREADWRITE("i8251_1", i8251_device, data_r, data_w)
AM_RANGE(0xe1, 0xe1) AM_DEVREADWRITE("i8251_1", i8251_device, status_r, control_w)
AM_RANGE(0xe4, 0xe7) AM_DEVREADWRITE("fdc", mb8876_device, read, write)
AM_RANGE(0xe4, 0xe7) AM_DEVREADWRITE("fdc", mb8876_t, read, write)
AM_RANGE(0xea, 0xea) AM_READ(ppi_hs_r)
AM_RANGE(0xe8, 0xeb) AM_DEVREADWRITE("ppi8255_2", i8255_device, read, write)
AM_RANGE(0xec, 0xec) AM_DEVREADWRITE("i8251_2", i8251_device, data_r, data_w)
@ -127,10 +124,15 @@ INPUT_PORTS_END
void mbc200_state::machine_start()
{
m_floppy0->floppy_mon_w(CLEAR_LINE);
m_floppy1->floppy_mon_w(CLEAR_LINE);
m_floppy0->floppy_drive_set_ready_state(1, 1);
m_floppy1->floppy_drive_set_ready_state(1, 1);
floppy_image_device *floppy = NULL;
floppy = m_floppy0->get_device();
// floppy1 not supported currently
m_fdc->set_floppy(floppy);
if (floppy)
{
floppy->mon_w(0);
}
}
void mbc200_state::video_start()
@ -175,12 +177,19 @@ WRITE8_MEMBER( mbc200_state::porta_w )
m_hs_bit &= ~0x80;
}
#if 0
static const floppy_interface mbc200_floppy_interface =
{
FLOPPY_STANDARD_5_25_SSDD_40,
LEGACY_FLOPPY_OPTIONS_NAME(default),
"floppy_5_25"
};
#endif
static SLOT_INTERFACE_START( mbc200_floppies )
SLOT_INTERFACE( "525sd", FLOPPY_525_SD )
SLOT_INTERFACE_END
static const gfx_layout mbc200_chars_8x8 =
{
@ -232,10 +241,9 @@ static MACHINE_CONFIG_START( mbc200, mbc200_state )
MCFG_DEVICE_ADD("i8251_1", I8251, 0) // INS8251N
MCFG_DEVICE_ADD("i8251_2", I8251, 0) // INS8251A
MCFG_DEVICE_ADD("fdc", MB8876, 0) // MB8876A
MCFG_WD17XX_DEFAULT_DRIVE2_TAGS
MCFG_LEGACY_FLOPPY_2_DRIVES_ADD(mbc200_floppy_interface)
MCFG_MB8876x_ADD("fdc", 1000000) // guess
MCFG_FLOPPY_DRIVE_ADD("fdc:0", mbc200_floppies, "525sd", floppy_image_device::default_floppy_formats)
MCFG_FLOPPY_DRIVE_ADD("fdc:1", mbc200_floppies, "525sd", floppy_image_device::default_floppy_formats)
/* software lists */
MCFG_SOFTWARE_LIST_ADD("flop_list", "mbc200")