summaryrefslogtreecommitdiffstatshomepage
path: root/src/devices/bus/isa/mc1502_fdc.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/devices/bus/isa/mc1502_fdc.cpp')
-rw-r--r--src/devices/bus/isa/mc1502_fdc.cpp77
1 files changed, 46 insertions, 31 deletions
diff --git a/src/devices/bus/isa/mc1502_fdc.cpp b/src/devices/bus/isa/mc1502_fdc.cpp
index 6f514c7e3f3..e904b44bdb1 100644
--- a/src/devices/bus/isa/mc1502_fdc.cpp
+++ b/src/devices/bus/isa/mc1502_fdc.cpp
@@ -2,7 +2,7 @@
// copyright-holders:Sergey Svishchev
/**********************************************************************
- Electronika MC 1502 FDC device
+ Electronika MC 1502 FDC device
**********************************************************************/
@@ -62,7 +62,7 @@ ROM_END
machine_config_constructor mc1502_fdc_device::device_mconfig_additions() const
{
- return MACHINE_CONFIG_NAME( mc1502_fdc );
+ return MACHINE_CONFIG_NAME(mc1502_fdc);
}
//-------------------------------------------------
@@ -71,7 +71,7 @@ machine_config_constructor mc1502_fdc_device::device_mconfig_additions() const
const tiny_rom_entry *mc1502_fdc_device::device_rom_region() const
{
- return ROM_NAME( mc1502_fdc );
+ return ROM_NAME(mc1502_fdc);
}
@@ -99,26 +99,25 @@ void mc1502_fdc_device::mc1502_wd17xx_aux_w(uint8_t data)
{
floppy_image_device *floppy0 = m_fdc->subdevice<floppy_connector>("0")->get_device();
floppy_image_device *floppy1 = m_fdc->subdevice<floppy_connector>("1")->get_device();
- floppy_image_device *floppy = ((data & 0x10)?floppy1:floppy0);
+ floppy_image_device *floppy = ((data & 0x10) ? floppy1 : floppy0);
// master reset
- if((data & 1) == 0)
- m_fdc->reset();
+ if ((data & 1) == 0) m_fdc->reset();
m_fdc->set_floppy(floppy);
// SIDE ONE
- floppy->ss_w((data & 2)?1:0);
+ floppy->ss_w((data & 2) ? 1 : 0);
// bits 2, 3 -- motor on (drive 0, 1)
floppy0->mon_w(!(data & 4));
floppy1->mon_w(!(data & 8));
- if (data & 12) {
- motor_timer->adjust(attotime::from_msec( 3000 ));
+ if (data & 12)
+ {
+ motor_timer->adjust(attotime::from_msec(3000));
motor_on = 1;
}
-
}
/*
@@ -128,7 +127,8 @@ uint8_t mc1502_fdc_device::mc1502_wd17xx_drq_r()
{
cpu_device *maincpu = machine().device<cpu_device>("maincpu");
- if (!m_fdc->drq_r() && !m_fdc->intrq_r()) {
+ if (!m_fdc->drq_r() && !m_fdc->intrq_r())
+ {
// fake cpu wait by resetting PC one insn back
maincpu->set_state_int(I8086_IP, maincpu->state_int(I8086_IP) - 1);
maincpu->set_input_line(INPUT_LINE_HALT, ASSERT_LINE);
@@ -142,47 +142,60 @@ uint8_t mc1502_fdc_device::mc1502_wd17xx_motor_r()
return motor_on;
}
-WRITE_LINE_MEMBER( mc1502_fdc_device::mc1502_fdc_irq_drq )
+WRITE_LINE_MEMBER(mc1502_fdc_device::mc1502_fdc_irq_drq)
{
cpu_device *maincpu = machine().device<cpu_device>("maincpu");
- if(state)
- maincpu->set_input_line(INPUT_LINE_HALT, CLEAR_LINE);
+ if (state) maincpu->set_input_line(INPUT_LINE_HALT, CLEAR_LINE);
}
-READ8_MEMBER( mc1502_fdc_device::mc1502_fdc_r )
+READ8_MEMBER(mc1502_fdc_device::mc1502_fdc_r)
{
uint8_t data = 0xff;
- switch( offset )
+ switch (offset)
{
- case 0: data = mc1502_wd17xx_aux_r(); break;
- case 8: data = mc1502_wd17xx_drq_r(); break;
- case 10: data = mc1502_wd17xx_motor_r(); break;
+ case 0:
+ data = mc1502_wd17xx_aux_r();
+ break;
+ case 8:
+ data = mc1502_wd17xx_drq_r();
+ break;
+ case 10:
+ data = mc1502_wd17xx_motor_r();
+ break;
}
return data;
}
-READ8_MEMBER( mc1502_fdc_device::mc1502_fdcv2_r )
+READ8_MEMBER(mc1502_fdc_device::mc1502_fdcv2_r)
{
uint8_t data = 0xff;
- switch( offset )
+ switch (offset)
{
- case 0: data = mc1502_wd17xx_aux_r(); break;
- case 1: data = mc1502_wd17xx_motor_r(); break;
- case 2: data = mc1502_wd17xx_drq_r(); break;
+ case 0:
+ data = mc1502_wd17xx_aux_r();
+ break;
+ case 1:
+ data = mc1502_wd17xx_motor_r();
+ break;
+ case 2:
+ data = mc1502_wd17xx_drq_r();
+ break;
}
return data;
}
-WRITE8_MEMBER( mc1502_fdc_device::mc1502_fdc_w )
+WRITE8_MEMBER(mc1502_fdc_device::mc1502_fdc_w)
{
- switch( offset )
+ switch (offset)
{
- case 0: mc1502_wd17xx_aux_w(data); break;
+ case 0:
+ mc1502_wd17xx_aux_w(data);
+ break;
}
}
@@ -190,10 +203,12 @@ WRITE8_MEMBER( mc1502_fdc_device::mc1502_fdc_w )
// mc1502_fdc_device - constructor
//-------------------------------------------------
-mc1502_fdc_device::mc1502_fdc_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) :
- device_t(mconfig, MC1502_FDC, "MC-1502 floppy", tag, owner, clock, "mc1502_fdc", __FILE__),
- device_isa8_card_interface( mconfig, *this ),
- m_fdc(*this, "fdc"), motor_on(0), motor_timer(nullptr)
+mc1502_fdc_device::mc1502_fdc_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock)
+ : device_t(mconfig, MC1502_FDC, "MC-1502 floppy", tag, owner, clock, "mc1502_fdc", __FILE__)
+ , device_isa8_card_interface(mconfig, *this)
+ , m_fdc(*this, "fdc")
+ , motor_on(0)
+ , motor_timer(nullptr)
{
}