diff options
author | 2019-03-30 10:14:45 -0400 | |
---|---|---|
committer | 2019-03-30 10:14:45 -0400 | |
commit | e517fff98cfb4b1b4bb96922f372895f877aa530 (patch) | |
tree | 7e3ef50156e789e6b779c12e24a3b6bf3e311da6 | |
parent | ff62b0cea4e09e07dd3b7fab346b69741514d902 (diff) |
aha1542c: Add switch settings (nw)
-rw-r--r-- | src/devices/bus/isa/aha1542c.cpp | 76 | ||||
-rw-r--r-- | src/devices/bus/isa/aha1542c.h | 3 |
2 files changed, 72 insertions, 7 deletions
diff --git a/src/devices/bus/isa/aha1542c.cpp b/src/devices/bus/isa/aha1542c.cpp index efb8181061c..d5c35166b1f 100644 --- a/src/devices/bus/isa/aha1542c.cpp +++ b/src/devices/bus/isa/aha1542c.cpp @@ -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 ); diff --git a/src/devices/bus/isa/aha1542c.h b/src/devices/bus/isa/aha1542c.h index 2294096bde7..005c688c053 100644 --- a/src/devices/bus/isa/aha1542c.h +++ b/src/devices/bus/isa/aha1542c.h @@ -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; |