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hp9845: 9895 drive done, seems ok.. now I need a disk format to load

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anything on it..
This commit is contained in:
fulivi 2017-01-26 12:22:24 +01:00
parent eb1afb07d6
commit 4aba463971
2 changed files with 64 additions and 8 deletions
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65
src/devices/bus/ieee488/hp9895.cpp
View File

@ -6,8 +6,20 @@
HP9895 floppy disk drive
Reference manual:
HP 09895-90030, feb 81, 9895A Flexible Disc Memory Service Manual
Phew, this one was tough!
Reference manual:
HP 09895-90030, feb 81, 9895A Flexible Disc Memory Service Manual
Reference manual for the floppy drives:
Magnetic Peripherals, inc., feb 83, 9406-4 Flexible Disk Drive
Hardware Maintenance Manual
TODO/Issues:
* floppy_image_device sometimes reports the wrong state for ready &
wpt signals
* IBM mode hasn't been tested yet
* Synchronizer/AM detector could be optimized
*********************************************************************/
@ -101,16 +113,38 @@ hp9895_device::hp9895_device(const machine_config &mconfig, const char *tag, dev
device_ieee488_interface(mconfig, *this),
m_cpu(*this , "cpu"),
m_phi(*this , "phi"),
m_drives{{*this , "floppy0"} , {*this , "floppy1"}}
m_drives{{*this , "floppy0"} , {*this , "floppy1"}},
m_switches{*this , "switches"}
{
}
#if 0
static INPUT_PORTS_START(hp9895_port)
PORT_START("switches")
PORT_CONFNAME(REG_SWITCHES_HPIB_ADDR_MASK << REG_SWITCHES_HPIB_ADDR_SHIFT , 0x00 , "HPIB address")
PORT_CONFSETTING(0 << REG_SWITCHES_HPIB_ADDR_SHIFT , "0")
PORT_CONFSETTING(1 << REG_SWITCHES_HPIB_ADDR_SHIFT , "1")
PORT_CONFSETTING(2 << REG_SWITCHES_HPIB_ADDR_SHIFT , "2")
PORT_CONFSETTING(3 << REG_SWITCHES_HPIB_ADDR_SHIFT , "3")
PORT_CONFSETTING(4 << REG_SWITCHES_HPIB_ADDR_SHIFT , "4")
PORT_CONFSETTING(5 << REG_SWITCHES_HPIB_ADDR_SHIFT , "5")
PORT_CONFSETTING(6 << REG_SWITCHES_HPIB_ADDR_SHIFT , "6")
PORT_CONFSETTING(7 << REG_SWITCHES_HPIB_ADDR_SHIFT , "7")
PORT_CONFNAME(BIT_MASK(REG_SWITCHES_W_TEST_BIT) , 0x00 , "W Test")
PORT_CONFSETTING(0x00 , DEF_STR(Off))
PORT_CONFSETTING(BIT_MASK(REG_SWITCHES_W_TEST_BIT) , DEF_STR(On))
PORT_CONFNAME(BIT_MASK(REG_SWITCHES_S_TEST_BIT) , 0x00 , "S Test")
PORT_CONFSETTING(0x00 , DEF_STR(Off))
PORT_CONFSETTING(BIT_MASK(REG_SWITCHES_S_TEST_BIT) , DEF_STR(On))
PORT_CONFNAME(BIT_MASK(REG_SWITCHES_LOOP_BIT) , 0x00 , "Loop")
PORT_CONFSETTING(0x00 , DEF_STR(Off))
PORT_CONFSETTING(BIT_MASK(REG_SWITCHES_LOOP_BIT) , DEF_STR(On))
INPUT_PORTS_END
ioport_constructor hp9895_device::device_input_ports() const
{
// TODO: inputs=HPIB address, "S" & "W" switches, "loop" pin
return INPUT_PORTS_NAME(hp9895_port);
}
#endif
void hp9895_device::device_start()
{
save_item(NAME(m_cpu_irq));
@ -170,6 +204,10 @@ void hp9895_device::device_reset()
m_timeout_timer->reset();
m_byte_timer->reset();
m_half_bit_timer->reset();
#if 0
// DEBUG DEBUG DEBUG DEBUG
for (auto& r : m_ready) r = 2;
#endif
}
void hp9895_device::device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr)
@ -626,7 +664,7 @@ READ8_MEMBER(hp9895_device::drivstat_r)
READ8_MEMBER(hp9895_device::switches_r)
{
uint8_t res = get_switches2();
// TODO:
res |= m_switches->read();
return res;
}
@ -637,6 +675,19 @@ READ8_MEMBER(hp9895_device::switches2_r)
void hp9895_device::floppy_ready_cb(floppy_image_device *floppy , int state)
{
#if 0
// DEBUG DEBUG DEBUG DEBUG
for (unsigned i = 0; i < 2; i++) {
if (floppy == m_drives[ i ]->get_device()) {
if (m_ready[ i ] != state) {
LOG(("Ready %u=%d\n" , i , state));
m_ready[ i ] = state;
}
break;
}
}
#endif
if (state) {
// Set Disk Changed flag when a drive is not ready
for (unsigned i = 0; i < 2; i++) {

7
src/devices/bus/ieee488/hp9895.h
View File

@ -28,7 +28,7 @@ public:
hp9895_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
// device-level overrides
//virtual ioport_constructor device_input_ports() const override;
virtual ioport_constructor device_input_ports() const override;
virtual void device_start() override;
virtual void device_reset() override;
virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) override;
@ -87,6 +87,7 @@ private:
required_device<z80_device> m_cpu;
required_device<phi_device> m_phi;
required_device<floppy_connector> m_drives[ 2 ];
required_ioport m_switches;
bool m_cpu_irq;
floppy_image_device *m_current_drive;
@ -109,6 +110,10 @@ private:
attotime m_prev_transition;
bool m_hiden;
bool m_mgnena;
#if 0
// DEBUG DEBUG DEBUG DEBUG
int m_ready[ 2 ];
#endif
// Timers
emu_timer *m_timeout_timer;