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aha1542c: Add switch settings (nw)

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This commit is contained in:
AJR 2019-03-30 10:14:45 -04:00
parent ff62b0cea4
commit e517fff98c
2 changed files with 72 additions and 7 deletions
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76
src/devices/bus/isa/aha1542c.cpp
View File

@ -213,11 +213,6 @@ ROM_START( aha1542cp )
ROM_END
u8 aha1542c_device::local_status_r()
{
return m_eeprom->do_read() << 7;
}
void aha1542c_device::local_latch_w(u8 data)
{
m_eeprom->cs_write(BIT(data, 2));
@ -230,7 +225,7 @@ void aha1542c_device::z84c0010_mem(address_map &map)
{
map(0x0000, 0x7fff).rom().region(Z84C0010_TAG, 0);
map(0x8000, 0x9fff).ram(); // 2kb RAM chip
map(0xa000, 0xa000).r(FUNC(aha1542c_device::local_status_r));
map(0xa000, 0xa000).portr("SWITCHES");
map(0xb000, 0xb000).w(FUNC(aha1542c_device::local_latch_w));
map(0xe000, 0xe0ff).ram(); // probably PC<->Z80 communication area
map(0xe003, 0xe003).lr8("e003_r", []() { return 0x20; });
@ -238,6 +233,7 @@ void aha1542c_device::z84c0010_mem(address_map &map)
u8 aha1542cp_device::eeprom_r()
{
// TODO: bits 4 and 5 are also used
return m_eeprom->do_read();
}
@ -252,10 +248,78 @@ void aha1542cp_device::local_mem(address_map &map)
{
map(0x0000, 0x7fff).rom().region(Z84C0010_TAG, 0);
map(0x8000, 0x9fff).ram();
map(0xc000, 0xc000).portr("SWITCHES");
map(0xc001, 0xc001).rw(FUNC(aha1542cp_device::eeprom_r), FUNC(aha1542cp_device::eeprom_w));
map(0xe003, 0xe003).nopr();
}
static INPUT_PORTS_START( aha1542c )
PORT_START("SWITCHES")
PORT_DIPNAME(0x07, 0x07, "I/O Port Address") PORT_DIPLOCATION("S1:2,3,4")
PORT_DIPSETTING(0x07, "330-333h")
PORT_DIPSETTING(0x06, "334-337h")
PORT_DIPSETTING(0x05, "230-233h")
PORT_DIPSETTING(0x04, "234-237h")
PORT_DIPSETTING(0x03, "130-133h")
PORT_DIPSETTING(0x02, "134-137h")
PORT_DIPSETTING(0x00, "Diagnostics Only") // not documented
PORT_DIPNAME(0x08, 0x08, "SCSI Termination") PORT_DIPLOCATION("S1:1")
PORT_DIPSETTING(0x00, "Installed")
PORT_DIPSETTING(0x08, "Software Controlled")
PORT_DIPNAME(0x70, 0x70, "BIOS Address") PORT_DIPLOCATION("S1:6,7,8")
PORT_DIPSETTING(0x00, "Disabled")
PORT_DIPSETTING(0x20, "C8000h")
PORT_DIPSETTING(0x30, "CC000h")
PORT_DIPSETTING(0x40, "D0000h")
PORT_DIPSETTING(0x50, "D4000h")
PORT_DIPSETTING(0x60, "D8000h")
PORT_DIPSETTING(0x70, "DC000h")
PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_CUSTOM) PORT_READ_LINE_DEVICE_MEMBER("eeprom", eeprom_serial_93cxx_device, do_read)
PORT_START("FDC_CONFIG")
PORT_DIPNAME(0x1, 0x1, "Floppy Disk Controller") PORT_DIPLOCATION("S1:5")
PORT_DIPSETTING(0x0, "Disabled")
PORT_DIPSETTING(0x1, "Enabled")
INPUT_PORTS_END
static INPUT_PORTS_START( aha1542cp )
PORT_START("SWITCHES")
PORT_DIPNAME(0x0e, 0x0e, "I/O Port Address") PORT_DIPLOCATION("S1:2,3,4")
PORT_DIPSETTING(0x0e, "330-333h")
PORT_DIPSETTING(0x0c, "334-337h")
PORT_DIPSETTING(0x0a, "230-233h")
PORT_DIPSETTING(0x08, "234-237h")
PORT_DIPSETTING(0x06, "130-133h")
PORT_DIPSETTING(0x04, "134-137h")
PORT_DIPSETTING(0x00, "Diagnostics Only") // not documented
PORT_DIPNAME(0x10, 0x10, "Plug and Play") PORT_DIPLOCATION("S1:1")
PORT_DIPSETTING(0x00, "Disabled")
PORT_DIPSETTING(0x10, "Enabled")
PORT_DIPNAME(0xe0, 0xe0, "BIOS Address") PORT_DIPLOCATION("S1:6,7,8")
PORT_DIPSETTING(0x00, "Disabled")
PORT_DIPSETTING(0x40, "C8000h")
PORT_DIPSETTING(0x60, "CC000h")
PORT_DIPSETTING(0x80, "D0000h")
PORT_DIPSETTING(0xa0, "D4000h")
PORT_DIPSETTING(0xc0, "D8000h")
PORT_DIPSETTING(0xe0, "DC000h")
PORT_START("FDC_CONFIG")
PORT_DIPNAME(0x1, 0x1, "Floppy Disk Controller") PORT_DIPLOCATION("S1:5")
PORT_DIPSETTING(0x0, "Disabled")
PORT_DIPSETTING(0x1, "Enabled")
INPUT_PORTS_END
ioport_constructor aha1542c_device::device_input_ports() const
{
return INPUT_PORTS_NAME( aha1542c );
}
ioport_constructor aha1542cp_device::device_input_ports() const
{
return INPUT_PORTS_NAME( aha1542cp );
}
const tiny_rom_entry *aha1542c_device::device_rom_region() const
{
return ROM_NAME( aha1542c );

3
src/devices/bus/isa/aha1542c.h
View File

@ -39,7 +39,6 @@ public:
protected:
aha1542c_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock);
u8 local_status_r();
void local_latch_w(u8 data);
// device-level overrides
@ -47,6 +46,7 @@ protected:
virtual void device_reset() override;
// optional information overrides
virtual ioport_constructor device_input_ports() const override;
virtual const tiny_rom_entry *device_rom_region() const override;
virtual void device_add_mconfig(machine_config &config) override;
@ -77,6 +77,7 @@ public:
aha1542cp_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock);
protected:
virtual ioport_constructor device_input_ports() const override;
virtual void device_add_mconfig(machine_config &config) override;
virtual const tiny_rom_entry *device_rom_region() const override;