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https://github.com/holub/mame
synced 2025-04-24 09:20:02 +03:00
(MESS) ibm5160: Keyboard WIP. (nw)
This commit is contained in:
Curt Coder
parent
6c8d01224d
commit
0cfe49acf7
@ -86,7 +86,7 @@ ADDRESS_MAP_END
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//-------------------------------------------------
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static MACHINE_CONFIG_FRAGMENT( ibm_pc_xt_83_keyboard )
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MCFG_CPU_ADD(I8048_TAG, I8048, 5247000)
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MCFG_CPU_ADD(I8048_TAG, I8048, MCS48_LC_CLOCK(IND_U(47), CAP_P(20.7)))
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MCFG_CPU_IO_MAP(ibm_pc_xt_83_keyboard_io)
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MACHINE_CONFIG_END
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@ -107,7 +107,7 @@ machine_config_constructor ibm_pc_xt_83_keyboard_device::device_mconfig_addition
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//-------------------------------------------------
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INPUT_PORTS_START( ibm_pc_xt_83_keyboard )
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PORT_START("P10")
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PORT_START("MD00")
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PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD )
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PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD )
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PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD )
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@ -117,7 +117,7 @@ INPUT_PORTS_START( ibm_pc_xt_83_keyboard )
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PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD )
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PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD )
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PORT_START("P11")
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PORT_START("MD01")
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PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD )
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PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD )
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PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD )
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@ -127,7 +127,7 @@ INPUT_PORTS_START( ibm_pc_xt_83_keyboard )
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PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD )
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PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD )
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PORT_START("P12")
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PORT_START("MD02")
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PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD )
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PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD )
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PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD )
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@ -137,7 +137,7 @@ INPUT_PORTS_START( ibm_pc_xt_83_keyboard )
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PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD )
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PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD )
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PORT_START("P13")
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PORT_START("MD03")
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PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD )
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PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD )
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PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD )
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@ -147,7 +147,7 @@ INPUT_PORTS_START( ibm_pc_xt_83_keyboard )
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PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD )
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PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD )
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PORT_START("P14")
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PORT_START("MD04")
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PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD )
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PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD )
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PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD )
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@ -157,7 +157,7 @@ INPUT_PORTS_START( ibm_pc_xt_83_keyboard )
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PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD )
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PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD )
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PORT_START("P15")
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PORT_START("MD05")
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PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD )
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PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD )
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PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD )
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@ -167,7 +167,7 @@ INPUT_PORTS_START( ibm_pc_xt_83_keyboard )
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PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD )
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PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD )
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PORT_START("P16")
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PORT_START("MD06")
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PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD )
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PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD )
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PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD )
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@ -177,7 +177,7 @@ INPUT_PORTS_START( ibm_pc_xt_83_keyboard )
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PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD )
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PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD )
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PORT_START("P17")
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PORT_START("MD07")
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PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD )
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PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD )
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PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD )
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@ -187,7 +187,7 @@ INPUT_PORTS_START( ibm_pc_xt_83_keyboard )
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PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD )
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PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD )
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PORT_START("P23")
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PORT_START("MD08")
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PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD )
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PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD )
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PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD )
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@ -197,7 +197,7 @@ INPUT_PORTS_START( ibm_pc_xt_83_keyboard )
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PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD )
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PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD )
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PORT_START("P24")
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PORT_START("MD09")
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PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD )
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PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD )
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PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD )
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@ -207,7 +207,7 @@ INPUT_PORTS_START( ibm_pc_xt_83_keyboard )
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PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD )
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PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD )
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PORT_START("P25")
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PORT_START("MD10")
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PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD )
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PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD )
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PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD )
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@ -217,17 +217,7 @@ INPUT_PORTS_START( ibm_pc_xt_83_keyboard )
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PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD )
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PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD )
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PORT_START("P26")
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PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD )
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PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD )
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PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD )
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PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD )
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PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD )
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PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD )
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PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD )
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PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD )
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PORT_START("P27")
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PORT_START("MD11")
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PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD )
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PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD )
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PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD )
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@ -262,22 +252,20 @@ ibm_pc_xt_83_keyboard_device::ibm_pc_xt_83_keyboard_device(const machine_config
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: device_t(mconfig, PC_KBD_IBM_PC_XT_83, "IBM PC/XT Keyboard", tag, owner, clock, "kb_pcxt83", __FILE__),
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device_pc_kbd_interface(mconfig, *this),
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m_maincpu(*this, I8048_TAG),
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m_p10(*this, "P10"),
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m_p11(*this, "P11"),
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m_p12(*this, "P12"),
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m_p13(*this, "P13"),
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m_p14(*this, "P14"),
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m_p15(*this, "P15"),
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m_p16(*this, "P16"),
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m_p17(*this, "P17"),
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m_p23(*this, "P23"),
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m_p24(*this, "P24"),
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m_p25(*this, "P25"),
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m_p26(*this, "P26"),
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m_p27(*this, "P27"),
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m_md00(*this, "MD00"),
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m_md01(*this, "MD01"),
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m_md02(*this, "MD02"),
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m_md03(*this, "MD03"),
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m_md04(*this, "MD04"),
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m_md05(*this, "MD05"),
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m_md06(*this, "MD06"),
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m_md07(*this, "MD07"),
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m_md08(*this, "MD08"),
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m_md09(*this, "MD09"),
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m_md10(*this, "MD10"),
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m_md11(*this, "MD11"),
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m_p1(0),
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m_p2(0),
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m_sense(0)
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m_p2(0)
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{
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}
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@ -293,7 +281,6 @@ void ibm_pc_xt_83_keyboard_device::device_start()
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// state saving
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save_item(NAME(m_p1));
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save_item(NAME(m_p2));
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save_item(NAME(m_sense));
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}
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@ -307,6 +294,25 @@ void ibm_pc_xt_83_keyboard_device::device_reset()
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}
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//-------------------------------------------------
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// clock_write -
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//-------------------------------------------------
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WRITE_LINE_MEMBER( ibm_pc_xt_83_keyboard_device::clock_write )
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{
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}
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//-------------------------------------------------
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// data_write -
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//-------------------------------------------------
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WRITE_LINE_MEMBER( ibm_pc_xt_83_keyboard_device::data_write )
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{
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m_maincpu->set_input_line(MCS48_INPUT_IRQ, state ? CLEAR_LINE : ASSERT_LINE);
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}
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//-------------------------------------------------
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// bus_w -
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//-------------------------------------------------
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@ -322,19 +328,14 @@ WRITE8_MEMBER( ibm_pc_xt_83_keyboard_device::bus_w )
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2
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3
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4
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5 CLOCK
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6 DATA
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7 IC4 G
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5 DATAOUT
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6 -REQOUT
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7 RESET
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*/
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m_pc_kbdc->data_write_from_kb(BIT(data, 6));
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m_pc_kbdc->clock_write_from_kb(BIT(data, 5));
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if (BIT(data, 7))
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{
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m_sense = m_p2 & 0x07;
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}
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m_pc_kbdc->data_write_from_kb(BIT(data, 5));
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m_pc_kbdc->clock_write_from_kb(BIT(data, 6));
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}
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@ -348,14 +349,14 @@ WRITE8_MEMBER( ibm_pc_xt_83_keyboard_device::p1_w )
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bit description
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0
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1
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2
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3
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4
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5
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6
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7
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0 MD00
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1 MD01
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2 MD02
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3 MD03
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4 MD04
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5 MD05
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6 MD06
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7 MD07
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*/
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@ -373,14 +374,14 @@ WRITE8_MEMBER( ibm_pc_xt_83_keyboard_device::p2_w )
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bit description
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0 SENSE 0
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1 SENSE 1
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2 SENSE 2
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3
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4
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5
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6
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7
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0 SELECT 2
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1 SELECT 1
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2 SELECT 0
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3 SA CLOSED, T1
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4 MD08
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5 MD09
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6 MD10
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7 MD11
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*/
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@ -394,7 +395,7 @@ WRITE8_MEMBER( ibm_pc_xt_83_keyboard_device::p2_w )
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READ8_MEMBER( ibm_pc_xt_83_keyboard_device::t0_r )
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{
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return data_signal();
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return clock_signal();
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}
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@ -403,22 +404,33 @@ READ8_MEMBER( ibm_pc_xt_83_keyboard_device::t0_r )
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//-------------------------------------------------
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READ8_MEMBER( ibm_pc_xt_83_keyboard_device::t1_r )
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{
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return sa_closed();
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}
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//-------------------------------------------------
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// sa_closed -
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//-------------------------------------------------
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int ibm_pc_xt_83_keyboard_device::sa_closed()
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{
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UINT8 data = 0xff;
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if (BIT(m_p1, 0)) data &= m_p10->read();
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if (BIT(m_p1, 1)) data &= m_p11->read();
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if (BIT(m_p1, 2)) data &= m_p12->read();
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if (BIT(m_p1, 3)) data &= m_p13->read();
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if (BIT(m_p1, 4)) data &= m_p14->read();
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if (BIT(m_p1, 5)) data &= m_p15->read();
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if (BIT(m_p1, 6)) data &= m_p16->read();
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if (BIT(m_p1, 7)) data &= m_p17->read();
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if (BIT(m_p2, 3)) data &= m_p23->read();
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if (BIT(m_p2, 4)) data &= m_p24->read();
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if (BIT(m_p2, 5)) data &= m_p25->read();
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if (BIT(m_p2, 6)) data &= m_p26->read();
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if (BIT(m_p2, 7)) data &= m_p27->read();
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logerror("md %03x sense %01x\n", m_p2 << 4 | m_p1, m_p2&0x07);
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return BIT(data, m_sense);
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if (BIT(m_p1, 0)) data &= m_md00->read();
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if (BIT(m_p1, 1)) data &= m_md01->read();
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if (BIT(m_p1, 2)) data &= m_md02->read();
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if (BIT(m_p1, 3)) data &= m_md03->read();
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if (BIT(m_p1, 4)) data &= m_md04->read();
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if (BIT(m_p1, 5)) data &= m_md05->read();
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if (BIT(m_p1, 6)) data &= m_md06->read();
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if (BIT(m_p1, 7)) data &= m_md07->read();
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if (BIT(m_p2, 4)) data &= m_md08->read();
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if (BIT(m_p2, 5)) data &= m_md09->read();
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if (BIT(m_p2, 6)) data &= m_md10->read();
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if (BIT(m_p2, 7)) data &= m_md11->read();
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return BIT(m_p2, 3) && BIT(data, m_p2 & 0x07);
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}
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@ -49,28 +49,28 @@ protected:
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virtual void device_reset();
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// device_pc_kbd_interface overrides
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virtual DECLARE_WRITE_LINE_MEMBER( clock_write ) { m_maincpu->set_input_line(MCS48_INPUT_IRQ, !state); };
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virtual DECLARE_WRITE_LINE_MEMBER( data_write ) { };
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virtual DECLARE_WRITE_LINE_MEMBER( clock_write );
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virtual DECLARE_WRITE_LINE_MEMBER( data_write );
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private:
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int sa_closed();
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required_device<cpu_device> m_maincpu;
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required_ioport m_p10;
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required_ioport m_p11;
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required_ioport m_p12;
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required_ioport m_p13;
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required_ioport m_p14;
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required_ioport m_p15;
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required_ioport m_p16;
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required_ioport m_p17;
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required_ioport m_p23;
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required_ioport m_p24;
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required_ioport m_p25;
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required_ioport m_p26;
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required_ioport m_p27;
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required_ioport m_md00;
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required_ioport m_md01;
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required_ioport m_md02;
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required_ioport m_md03;
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required_ioport m_md04;
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required_ioport m_md05;
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required_ioport m_md06;
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required_ioport m_md07;
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required_ioport m_md08;
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required_ioport m_md09;
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required_ioport m_md10;
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required_ioport m_md11;
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UINT8 m_p1;
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UINT8 m_p2;
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int m_sense;
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};
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