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Improved keyboard even further

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This commit is contained in:
Angelo Salese 2012-11-19 21:09:41 +00:00
parent ea57b127af
commit 10ae7478ec
1 changed files with 25 additions and 66 deletions
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91
src/mess/drivers/apc.c
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@ -111,7 +111,12 @@ public:
DECLARE_READ8_MEMBER(apc_dma_r);
DECLARE_WRITE8_MEMBER(apc_dma_w);
UINT8 m_keyb_press, m_keyb_status;
struct {
UINT8 status; //status
UINT8 data; //key data
UINT8 sig; //switch signal port
UINT8 sh; //shift switches
}m_keyb;
DECLARE_INPUT_CHANGED_MEMBER(key_stroke);
DECLARE_WRITE_LINE_MEMBER(apc_master_set_int_line);
@ -335,14 +340,12 @@ READ8_MEMBER(apc_state::apc_kbd_r)
{
UINT8 res;
switch(offset)
switch(offset & 3)
{
case 0: res = m_keyb_press; break;
case 1: res = m_keyb_status; break;
default:
res = 0;
//printf("KEYB %08x\n",offset);
break;
case 0: res = m_keyb.data; pic8259_ir4_w(machine().device("pic8259_master"), 0); break; // according to the source, reading there acks the irq
case 1: res = m_keyb.status; break;
case 2: res = m_keyb.sig; break; // bit 0: CTRL bit 1: function key (or reversed)
case 3: res = machine().root_device().ioport("KEY_MOD")->read() & 0xff; break; // sh
}
return res;
@ -430,16 +433,15 @@ INPUT_CHANGED_MEMBER(apc_state::key_stroke)
{
if(newval && !oldval)
{
m_keyb_press = (UINT8)(FPTR)(param) & 0xff;
//m_keyb_status |= 1; //TODO: what this really signals? busy?
m_keyb.data = (UINT8)(FPTR)(param) & 0xff;
//m_keyb.status &= ~1;
pic8259_ir4_w(machine().device("pic8259_master"), 1);
}
if(oldval && !newval)
{
m_keyb_press = 0xff;
m_keyb_status &= ~1;
pic8259_ir4_w(machine().device("pic8259_master"), 0);
m_keyb.data = 0xff;
//m_keyb.status |= 1;
}
}
@ -495,6 +497,10 @@ static INPUT_PORTS_START( apc )
PORT_START("KEY6")
PORT_BIT(0x01,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("SPACE") PORT_CODE(KEYCODE_SPACE) PORT_CHAR(' ') PORT_IMPULSE(1) PORT_CHANGED_MEMBER(DEVICE_SELF, apc_state, key_stroke, 0x20)
PORT_BIT(0x02,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("; / :") PORT_IMPULSE(1) PORT_CHANGED_MEMBER(DEVICE_SELF, apc_state, key_stroke, 0x3a)
PORT_BIT(0x04,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("= / +") PORT_IMPULSE(1) PORT_CHANGED_MEMBER(DEVICE_SELF, apc_state, key_stroke, 0x2d)
PORT_BIT(0x08,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("' / ~") PORT_IMPULSE(1) PORT_CHANGED_MEMBER(DEVICE_SELF, apc_state, key_stroke, 0x40)
PORT_BIT(0x10,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("' / \"") PORT_IMPULSE(1) PORT_CHANGED_MEMBER(DEVICE_SELF, apc_state, key_stroke, 0x3b)
/*
;
@ -619,59 +625,10 @@ CASETBL:
PORT_BIT(0x20,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("DEL") PORT_CHAR(0x7f) PORT_IMPULSE(1) PORT_CHANGED_MEMBER(DEVICE_SELF, apc_state, key_stroke, 0xfc)
PORT_BIT(0x40,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("ENTER (PAD)") PORT_CODE(KEYCODE_ENTER_PAD) PORT_CHAR(0x0d) PORT_IMPULSE(1) PORT_CHANGED_MEMBER(DEVICE_SELF, apc_state, key_stroke, 0xfd)
/* dummy active high structure */
PORT_START("SYSA")
PORT_DIPNAME( 0x01, 0x00, "SYSA" )
PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
PORT_DIPSETTING( 0x01, DEF_STR( On ) )
PORT_DIPNAME( 0x02, 0x00, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
PORT_DIPSETTING( 0x02, DEF_STR( On ) )
PORT_DIPNAME( 0x04, 0x00, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
PORT_DIPSETTING( 0x04, DEF_STR( On ) )
PORT_DIPNAME( 0x08, 0x00, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
PORT_DIPSETTING( 0x08, DEF_STR( On ) )
PORT_DIPNAME( 0x10, 0x00, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
PORT_DIPSETTING( 0x10, DEF_STR( On ) )
PORT_DIPNAME( 0x20, 0x00, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
PORT_DIPSETTING( 0x20, DEF_STR( On ) )
PORT_DIPNAME( 0x40, 0x00, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
PORT_DIPSETTING( 0x40, DEF_STR( On ) )
PORT_DIPNAME( 0x80, 0x00, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
PORT_DIPSETTING( 0x80, DEF_STR( On ) )
PORT_START("KEY_MOD")
PORT_BIT(0x01,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("SHIFT") PORT_CODE(KEYCODE_LSHIFT)
PORT_BIT(0x04,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("CAPS LOCK") PORT_CODE(KEYCODE_CAPSLOCK) PORT_TOGGLE
/* dummy active low structure */
PORT_START("DSWA")
PORT_DIPNAME( 0x01, 0x01, "DSWA" )
PORT_DIPSETTING( 0x01, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
PORT_DIPNAME( 0x02, 0x02, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x02, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
PORT_DIPNAME( 0x04, 0x04, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x04, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
PORT_DIPNAME( 0x08, 0x08, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x08, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
PORT_DIPNAME( 0x10, 0x10, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x10, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
PORT_DIPNAME( 0x20, 0x20, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x20, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
PORT_DIPNAME( 0x40, 0x40, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x40, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
PORT_DIPNAME( 0x80, 0x80, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x80, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
INPUT_PORTS_END
void apc_state::fdc_drq(bool state)
@ -704,7 +661,9 @@ void apc_state::machine_start()
void apc_state::machine_reset()
{
m_keyb_status = m_keyb_press = 0;
m_keyb.status = 0;
m_keyb.data = 0;
m_keyb.sig = 0;
}