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WD1770 FDC support added (Work In Progress).

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This commit is contained in:
Jean-François DEL NERO 2015-12-06 10:49:34 +01:00
parent 977ddba3b8
commit 04adea4308
1 changed files with 70 additions and 0 deletions
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70
src/mame/drivers/squale.cpp
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@ -60,6 +60,8 @@
#include "machine/6821pia.h"
#include "machine/6850acia.h"
#include "sound/ay8910.h"
#include "machine/wd_fdc.h"
#include "softlist.h"
#define MAIN_CLOCK XTAL_14MHz
#define AY_CLOCK MAIN_CLOCK / 8 /* 1.75 Mhz */
@ -76,9 +78,16 @@ public:
, m_pia_u75(*this, "pia_u75")
, m_ef9365(*this, "ef9365")
, m_maincpu(*this, "maincpu")
, m_fdc(*this, "wd1770")
, m_floppy0(*this, "wd1770:0")
, m_floppy(NULL)
{ }
DECLARE_WRITE8_MEMBER(ctrl_w);
DECLARE_WRITE8_MEMBER(fdc_sel0_w);
DECLARE_READ8_MEMBER(fdc_sel0_r);
DECLARE_WRITE8_MEMBER(fdc_sel1_w);
DECLARE_READ8_MEMBER(fdc_sel1_r);
DECLARE_READ8_MEMBER(pia_u72_porta_r);
DECLARE_READ8_MEMBER(pia_u72_portb_r);
DECLARE_READ8_MEMBER(pia_u75_porta_r);
@ -99,6 +108,8 @@ public:
virtual void machine_reset();
UINT8 keyboard_line;
UINT8 fdc_sel0;
UINT8 fdc_sel1;
TIMER_DEVICE_CALLBACK_MEMBER(squale_scanline);
@ -109,6 +120,9 @@ private:
required_device<pia6821_device> m_pia_u75;
required_device<ef9365_device> m_ef9365;
required_device<cpu_device> m_maincpu;
required_device<wd1770_t> m_fdc;
required_device<floppy_connector> m_floppy0;
floppy_image_device *m_floppy;
};
/*************************
@ -126,6 +140,46 @@ WRITE8_MEMBER( squale_state::ctrl_w )
m_ef9365->static_set_color_filler(data & 0xF);
}
WRITE8_MEMBER( squale_state::fdc_sel0_w )
{
#ifdef DBGMODE
printf("write fdc_sel0_w reg : 0x%X\n",data);
#endif
fdc_sel0 = data;
}
WRITE8_MEMBER( squale_state::fdc_sel1_w )
{
#ifdef DBGMODE
printf("write fdc_sel1_w reg : 0x%X\n",data);
#endif
fdc_sel1 = data;
}
READ8_MEMBER( squale_state::fdc_sel0_r )
{
UINT8 data = 0xFF;
#ifdef DBGMODE
printf("%s: read fdc_sel0_r\n",machine().describe_context());
#endif
data = 0x00;
return data;
}
READ8_MEMBER( squale_state::fdc_sel1_r )
{
UINT8 data = 0xFF;
#ifdef DBGMODE
printf("%s: read fdc_sel1_r\n",machine().describe_context());
#endif
data = 0x00;
return data;
}
READ8_MEMBER( squale_state::pia_u72_porta_r )
{
UINT8 data = 0xFF;
@ -283,7 +337,11 @@ static ADDRESS_MAP_START(squale_mem, AS_PROGRAM, 8, squale_state)
AM_RANGE(0xf048,0xf04b) AM_DEVREADWRITE("pia_u72", pia6821_device, read, write)
AM_RANGE(0xf050,0xf05f) AM_DEVREADWRITE("ef6850", acia6850_device, data_r, data_w)
AM_RANGE(0xf060,0xf06f) AM_DEVREADWRITE("ay8910", ay8910_device, data_r, address_data_w)
AM_RANGE(0xf080,0xf083) AM_DEVREADWRITE("wd1770", wd1770_t, read, write)
AM_RANGE(0xf08a,0xf08a) AM_READWRITE( fdc_sel0_r, fdc_sel0_w )
AM_RANGE(0xf08b,0xf08b) AM_READWRITE( fdc_sel1_r, fdc_sel1_w )
AM_RANGE(0xf100,0xffff) AM_ROMBANK("rom_bank");
ADDRESS_MAP_END
static ADDRESS_MAP_START( squale_io, AS_IO, 8, squale_state)
@ -378,10 +436,17 @@ static INPUT_PORTS_START( squale )
PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Ctrl") PORT_CODE(KEYCODE_LCONTROL) PORT_CHAR(UCHAR_SHIFT_2)
INPUT_PORTS_END
static SLOT_INTERFACE_START( squale_floppies )
SLOT_INTERFACE( "525dd", FLOPPY_525_DD )
SLOT_INTERFACE_END
void squale_state::machine_start()
{
int i;
fdc_sel0 = 0x00;
fdc_sel1 = 0x00;
membank("rom_bank")->configure_entry(0, memregion("maincpu")->base() + 0x100);
membank("rom_bank")->configure_entry(1, memregion("maincpu")->base() + 0x1100);
membank("rom_bank")->set_entry( 0 );
@ -449,6 +514,11 @@ static MACHINE_CONFIG_START( squale, squale_state )
MCFG_EF9365_PALETTE("palette")
MCFG_TIMER_DRIVER_ADD_SCANLINE("squale_sl", squale_state, squale_scanline, "screen", 0, 10)
/* Floppy */
MCFG_WD1770_ADD("wd1770", XTAL_8MHz )
MCFG_FLOPPY_DRIVE_ADD("wd1770:0", squale_floppies, "525dd", floppy_image_device::default_floppy_formats)
MCFG_SOFTWARE_LIST_ADD("flop525_list", "squale")
MACHINE_CONFIG_END
/* ROM definition */