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Made some floppy work

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This commit is contained in:
Angelo Salese 2012-11-28 03:49:24 +00:00
parent 4a3fb15754
commit bc3c47b9c4
1 changed files with 38 additions and 13 deletions
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51
src/mess/drivers/pc9801.c
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@ -374,8 +374,8 @@ public:
DECLARE_WRITE8_MEMBER(pc9810rs_fdc_ctrl_w);
DECLARE_READ8_MEMBER(pc9801rs_2hd_r);
DECLARE_WRITE8_MEMBER(pc9801rs_2hd_w);
DECLARE_READ8_MEMBER(pc9801rs_2dd_r);
DECLARE_WRITE8_MEMBER(pc9801rs_2dd_w);
// DECLARE_READ8_MEMBER(pc9801rs_2dd_r);
// DECLARE_WRITE8_MEMBER(pc9801rs_2dd_w);
DECLARE_WRITE8_MEMBER(pc9801rs_video_ff_w);
DECLARE_WRITE8_MEMBER(pc9801rs_a0_w);
DECLARE_READ8_MEMBER(pc980ux_memory_r);
@ -1467,8 +1467,7 @@ WRITE8_MEMBER(pc9801_state::pc9801rs_memory_w)
READ8_MEMBER(pc9801_state::pc9810rs_fdc_ctrl_r)
{
return (m_fdc_ctrl & 3) | 8;
return (m_fdc_ctrl & 3) | 0xf0 | 8 | 4;
}
WRITE8_MEMBER(pc9801_state::pc9810rs_fdc_ctrl_w)
@ -1479,6 +1478,11 @@ WRITE8_MEMBER(pc9801_state::pc9810rs_fdc_ctrl_w)
---- ---x select irq
*/
machine().device<floppy_connector>("upd765_2hd:0")->get_device()->set_rpm(data & 0x02 ? 360 : 300);
machine().device<floppy_connector>("upd765_2hd:1")->get_device()->set_rpm(data & 0x02 ? 360 : 300);
machine().device<upd765a_device>("upd765_2hd")->set_rate(data & 0x02 ? 500000 : 250000);
m_fdc_ctrl = data;
if(data & 0xfc)
printf("FDC ctrl called with %02x\n",data);
@ -1492,7 +1496,7 @@ READ8_MEMBER(pc9801_state::pc9801rs_2hd_r)
{
case 0: return machine().device<upd765a_device>("upd765_2hd")->msr_r(space, 0, 0xff);
case 2: return machine().device<upd765a_device>("upd765_2hd")->fifo_r(space, 0, 0xff);
case 4: return 0x40; //2hd flag
case 4: return 0x44; //2hd flag
}
}
@ -1508,13 +1512,23 @@ WRITE8_MEMBER(pc9801_state::pc9801rs_2hd_w)
switch(offset & 6)
{
case 2: machine().device<upd765a_device>("upd765_2hd")->fifo_w(space, 0, data, 0xff); return;
case 4: printf("%02x 2HD FDC ctrl\n",data); return;
case 4:
if(data & 0x80)
machine().device<upd765a_device>("upd765_2hd")->reset();
if(data & 0x40)
machine().device<upd765a_device>("upd765_2hd")->ready_w(1);
machine().device<floppy_connector>("upd765_2hd:0")->get_device()->mon_w(!(data & 0x08));
machine().device<floppy_connector>("upd765_2hd:1")->get_device()->mon_w(!(data & 0x08));
return;
}
}
printf("Write to undefined port [%02x] %02x\n",offset+0x90,data);
}
#if 0
READ8_MEMBER(pc9801_state::pc9801rs_2dd_r)
{
@ -1527,7 +1541,7 @@ READ8_MEMBER(pc9801_state::pc9801rs_2dd_r)
{
case 0: return machine().device<upd765a_device>("upd765_2hd")->msr_r(space, 0, 0xff);
case 2: return machine().device<upd765a_device>("upd765_2hd")->fifo_r(space, 0, 0xff);
case 4: return 0x70; //2dd flag
case 4: return 0x44; //2dd flag
}
}
@ -1553,6 +1567,7 @@ WRITE8_MEMBER(pc9801_state::pc9801rs_2dd_w)
printf("Write to undefined port [%02x] %02x\n",offset+0x90,data);
}
#endif
WRITE8_MEMBER(pc9801_state::pc9801rs_video_ff_w)
{
@ -1637,7 +1652,7 @@ static ADDRESS_MAP_START( pc9801rs_io, AS_IO, 32, pc9801_state )
AM_RANGE(0x0090, 0x0097) AM_READWRITE8(pc9801rs_2hd_r, pc9801rs_2hd_w, 0xffffffff)
AM_RANGE(0x00a0, 0x00af) AM_READWRITE8(pc9801_a0_r, pc9801rs_a0_w, 0xffffffff) //upd7220 bitmap ports / display registers
AM_RANGE(0x00bc, 0x00bf) AM_READWRITE8(pc9810rs_fdc_ctrl_r,pc9810rs_fdc_ctrl_w,0xffffffff)
AM_RANGE(0x00c8, 0x00cf) AM_READWRITE8(pc9801rs_2dd_r, pc9801rs_2dd_w, 0xffffffff)
AM_RANGE(0x00c8, 0x00cf) AM_READWRITE8(pc9801rs_2hd_r, pc9801rs_2hd_w, 0xffffffff)
AM_RANGE(0x00f0, 0x00ff) AM_READWRITE8(pc9801rs_f0_r, pc9801rs_f0_w, 0xffffffff)
AM_RANGE(0x0438, 0x043b) AM_READWRITE8(pc9801rs_access_ctrl_r,pc9801rs_access_ctrl_w,0xffffffff)
AM_RANGE(0x043c, 0x043f) AM_WRITE8(pc9801rs_bank_w, 0xffffffff) //ROM/RAM bank
@ -1697,7 +1712,7 @@ static ADDRESS_MAP_START( pc9801ux_io, AS_IO, 16, pc9801_state )
AM_RANGE(0x0090, 0x0097) AM_READWRITE8(pc9801rs_2hd_r, pc9801rs_2hd_w, 0xffff)
AM_RANGE(0x00a0, 0x00af) AM_READWRITE8(pc9801_a0_r, pc9801rs_a0_w, 0xffff) //upd7220 bitmap ports / display registers
AM_RANGE(0x00bc, 0x00bf) AM_READWRITE8(pc9810rs_fdc_ctrl_r,pc9810rs_fdc_ctrl_w,0xffff)
AM_RANGE(0x00c8, 0x00cf) AM_READWRITE8(pc9801rs_2dd_r, pc9801rs_2dd_w, 0xffff)
AM_RANGE(0x00c8, 0x00cf) AM_READWRITE8(pc9801rs_2hd_r, pc9801rs_2hd_w, 0xffff)
AM_RANGE(0x00f0, 0x00ff) AM_READWRITE8(pc9801rs_f0_r, pc9801rs_f0_w, 0xffff)
AM_RANGE(0x0438, 0x043b) AM_READWRITE8(pc9801rs_access_ctrl_r,pc9801rs_access_ctrl_w,0xffff)
AM_RANGE(0x043c, 0x043f) AM_WRITE8(pc9801rs_bank_w, 0xffff) //ROM/RAM bank
@ -1987,7 +2002,7 @@ static ADDRESS_MAP_START( pc9821_io, AS_IO, 32, pc9801_state )
// AM_RANGE(0x00b9, 0x00b9) PC9861k
// AM_RANGE(0x00bb, 0x00bb) PC9861k
AM_RANGE(0x00bc, 0x00bf) AM_READWRITE8(pc9810rs_fdc_ctrl_r,pc9810rs_fdc_ctrl_w,0xffffffff)
AM_RANGE(0x00c8, 0x00cf) AM_READWRITE8(pc9801rs_2dd_r, pc9801rs_2dd_w, 0xffffffff)
AM_RANGE(0x00c8, 0x00cf) AM_READWRITE8(pc9801rs_2hd_r, pc9801rs_2hd_w, 0xffffffff)
// AM_RANGE(0x00d8, 0x00df) AMD98 (sound?) board
AM_RANGE(0x00f0, 0x00ff) AM_READWRITE8(pc9801rs_f0_r, pc9801rs_f0_w, 0xffffffff)
// AM_RANGE(0x0188, 0x018b) YM2203 OPN board / <undefined>
@ -2559,8 +2574,8 @@ static I8237_INTERFACE( dmac_intf )
DEVCB_DRIVER_LINE_MEMBER(pc9801_state, pc9801_tc_w),
DEVCB_DRIVER_MEMBER(pc9801_state, pc9801_dma_read_byte),
DEVCB_DRIVER_MEMBER(pc9801_state, pc9801_dma_write_byte),
{ DEVCB_NULL, DEVCB_DRIVER_MEMBER(pc9801_state,fdc_r), DEVCB_NULL, DEVCB_NULL },
{ DEVCB_NULL, DEVCB_DRIVER_MEMBER(pc9801_state,fdc_w), DEVCB_NULL, DEVCB_NULL },
{ DEVCB_NULL, DEVCB_DRIVER_MEMBER(pc9801_state,fdc_r), DEVCB_DRIVER_MEMBER(pc9801_state,fdc_r), DEVCB_DRIVER_MEMBER(pc9801_state,fdc_r) },
{ DEVCB_NULL, DEVCB_DRIVER_MEMBER(pc9801_state,fdc_w), DEVCB_DRIVER_MEMBER(pc9801_state,fdc_w), DEVCB_DRIVER_MEMBER(pc9801_state,fdc_w) },
{ DEVCB_DRIVER_LINE_MEMBER(pc9801_state, pc9801_dack0_w), DEVCB_DRIVER_LINE_MEMBER(pc9801_state, pc9801_dack1_w), DEVCB_DRIVER_LINE_MEMBER(pc9801_state, pc9801_dack2_w), DEVCB_DRIVER_LINE_MEMBER(pc9801_state, pc9801_dack3_w) }
};
@ -2669,6 +2684,8 @@ void pc9801_state::pc9801rs_fdc_irq(bool state)
{
/* 0xffaf8 */
printf("%02x %d\n",m_fdc_ctrl,state);
if(m_fdc_ctrl & 1)
pic8259_ir3_w(machine().device("pic8259_slave"), state);
else
@ -2809,7 +2826,15 @@ MACHINE_RESET_MEMBER(pc9801_state,pc9801rs)
MACHINE_START_MEMBER(pc9801_state,pc9821)
{
MACHINE_START_CALL_MEMBER(pc9801);
machine().device("maincpu")->execute().set_irq_acknowledge_callback(irq_callback);
m_rtc->cs_w(1);
m_rtc->oe_w(1);
upd765a_device *fdc;
fdc = machine().device<upd765a_device>(":upd765_2hd");
fdc->setup_intrq_cb(upd765a_device::line_cb(FUNC(pc9801_state::pc9801rs_fdc_irq), this));
fdc->setup_drq_cb(upd765a_device::line_cb(FUNC(pc9801_state::fdc_2hd_drq), this));
m_ideram = auto_alloc_array(machine(), UINT8, 0x2000);
m_vram256 = auto_alloc_array(machine(), UINT8, 0x8000);