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(MESS) ibm5150: Keyboard WIP. (nw)

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This commit is contained in:
Curt Coder 2013-06-22 09:25:17 +00:00
parent 01a1a57c40
commit ed4759152d
2 changed files with 241 additions and 5 deletions
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221
src/mess/machine/kb_pcxt83.c
View File

@ -96,6 +96,149 @@ machine_config_constructor ibm_pc_xt_83_keyboard_device::device_mconfig_addition
//-------------------------------------------------
INPUT_PORTS_START( ibm_pc_xt_83_keyboard )
PORT_START("DR00")
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_START("DR01")
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_START("DR02")
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_START("DR03")
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_START("DR04")
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_START("DR05")
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_START("DR06")
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_START("DR07")
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_START("DR08")
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_START("DR09")
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_START("DR10")
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_START("DR11")
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_START("DR12")
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_START("DR13")
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_START("DR14")
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_START("DR15")
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_START("DR16")
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_START("DR17")
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_START("DR18")
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_START("DR19")
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_START("DR20")
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_START("DR21")
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_START("DR22")
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_START("DR23")
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD )
INPUT_PORTS_END
@ -121,7 +264,31 @@ ioport_constructor ibm_pc_xt_83_keyboard_device::device_input_ports() const
ibm_pc_xt_83_keyboard_device::ibm_pc_xt_83_keyboard_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
: device_t(mconfig, PC_KBD_IBM_PC_XT_83, "IBM PC/XT 5150/5160 Keyboard", tag, owner, clock, "kb_pcxt83", __FILE__),
device_pc_kbd_interface(mconfig, *this),
m_maincpu(*this, I8048_TAG)
m_maincpu(*this, I8048_TAG),
m_dr00(*this, "DR00"),
m_dr01(*this, "DR01"),
m_dr02(*this, "DR02"),
m_dr03(*this, "DR03"),
m_dr04(*this, "DR04"),
m_dr05(*this, "DR05"),
m_dr06(*this, "DR06"),
m_dr07(*this, "DR07"),
m_dr08(*this, "DR08"),
m_dr09(*this, "DR09"),
m_dr10(*this, "DR10"),
m_dr11(*this, "DR11"),
m_dr12(*this, "DR12"),
m_dr13(*this, "DR13"),
m_dr14(*this, "DR14"),
m_dr15(*this, "DR15"),
m_dr16(*this, "DR16"),
m_dr17(*this, "DR17"),
m_dr18(*this, "DR18"),
m_dr19(*this, "DR19"),
m_dr20(*this, "DR20"),
m_dr21(*this, "DR21"),
m_dr22(*this, "DR22"),
m_dr23(*this, "DR23")
{
}
@ -134,7 +301,6 @@ void ibm_pc_xt_83_keyboard_device::device_start()
{
// state saving
save_item(NAME(m_cnt));
save_item(NAME(m_key_depressed));
}
@ -154,7 +320,22 @@ void ibm_pc_xt_83_keyboard_device::device_reset()
WRITE8_MEMBER( ibm_pc_xt_83_keyboard_device::bus_w )
{
m_cnt = data;
/*
bit description
0 CNT 1
1 CNT 2
2 CNT 4
3 CNT 8
4 CNT 16
5 CNT 32
6 CNT 64
7
*/
m_cnt = data & 0x7f;
}
@ -220,5 +401,37 @@ WRITE8_MEMBER( ibm_pc_xt_83_keyboard_device::p2_w )
READ8_MEMBER( ibm_pc_xt_83_keyboard_device::t1_r )
{
return m_key_depressed;
UINT8 data = 0xff;
switch (m_cnt >> 2)
{
case 0: data = m_dr00->read(); break;
case 1: data = m_dr01->read(); break;
case 2: data = m_dr02->read(); break;
case 3: data = m_dr03->read(); break;
case 4: data = m_dr04->read(); break;
case 5: data = m_dr05->read(); break;
case 6: data = m_dr06->read(); break;
case 7: data = m_dr07->read(); break;
case 8: data = m_dr08->read(); break;
case 9: data = m_dr09->read(); break;
case 10: data = m_dr10->read(); break;
case 11: data = m_dr11->read(); break;
case 12: data = m_dr12->read(); break;
case 13: data = m_dr13->read(); break;
case 14: data = m_dr14->read(); break;
case 15: data = m_dr15->read(); break;
case 16: data = m_dr16->read(); break;
case 17: data = m_dr17->read(); break;
case 18: data = m_dr18->read(); break;
case 19: data = m_dr19->read(); break;
case 20: data = m_dr20->read(); break;
case 21: data = m_dr21->read(); break;
case 22: data = m_dr22->read(); break;
case 23: data = m_dr23->read(); break;
}
int sense = m_cnt & 0x03;
return BIT(data, sense);
}

25
src/mess/machine/kb_pcxt83.h
View File

@ -53,9 +53,32 @@ protected:
private:
required_device<cpu_device> m_maincpu;
required_ioport m_dr00;
required_ioport m_dr01;
required_ioport m_dr02;
required_ioport m_dr03;
required_ioport m_dr04;
required_ioport m_dr05;
required_ioport m_dr06;
required_ioport m_dr07;
required_ioport m_dr08;
required_ioport m_dr09;
required_ioport m_dr10;
required_ioport m_dr11;
required_ioport m_dr12;
required_ioport m_dr13;
required_ioport m_dr14;
required_ioport m_dr15;
required_ioport m_dr16;
required_ioport m_dr17;
required_ioport m_dr18;
required_ioport m_dr19;
required_ioport m_dr20;
required_ioport m_dr21;
required_ioport m_dr22;
required_ioport m_dr23;
UINT8 m_cnt;
int m_key_depressed;
};