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Basic Keyboard IRQ hook-up, pending all buttons hook ...

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This commit is contained in:
Angelo Salese 2012-11-19 16:15:34 +00:00
parent 464f186c73
commit 551bc3e2c5
2 changed files with 63 additions and 7 deletions
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1
src/emu/machine/pic8259.c
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@ -407,6 +407,7 @@ WRITE8_DEVICE_HANDLER( pic8259_w )
if (LOG_OCW)
logerror("pic8259_w(): OCW1; data=0x%02X\n", data);
//printf("%s %02x\n",pic8259->master ? "master pic8259 mask" : "slave pic8259 mask",data);
pic8259->imr = data;
break;
}

69
src/mess/drivers/apc.c
View File

@ -111,6 +111,9 @@ public:
DECLARE_READ8_MEMBER(apc_dma_r);
DECLARE_WRITE8_MEMBER(apc_dma_w);
UINT8 m_keyb_press, m_keyb_status;
DECLARE_INPUT_CHANGED_MEMBER(key_stroke);
DECLARE_WRITE_LINE_MEMBER(apc_master_set_int_line);
DECLARE_READ8_MEMBER(get_slave_ack);
DECLARE_WRITE_LINE_MEMBER(apc_dma_hrq_changed);
@ -330,13 +333,24 @@ WRITE8_MEMBER(apc_state::apc_gdc_w)
READ8_MEMBER(apc_state::apc_kbd_r)
{
//printf("%08x\n",offset);
return 0;
UINT8 res;
switch(offset)
{
case 0: res = m_keyb_press; break;
case 1: res = m_keyb_status; break;
default:
res = 0;
//printf("KEYB %08x\n",offset);
break;
}
return res;
}
WRITE8_MEMBER(apc_state::apc_kbd_w)
{
printf("%08x %02x\n",offset,data);
printf("KEYB %08x %02x\n",offset,data);
}
WRITE8_MEMBER(apc_state::apc_dma_segments_w)
@ -395,7 +409,7 @@ static ADDRESS_MAP_START( apc_io, AS_IO, 16, apc_state )
// ADDRESS_MAP_GLOBAL_MASK(0xff)
AM_RANGE(0x00, 0x1f) AM_READWRITE8(apc_dma_r, apc_dma_w,0xff00)
AM_RANGE(0x20, 0x23) AM_DEVREADWRITE8_LEGACY("pic8259_master", pic8259_r, pic8259_w, 0x00ff) // i8259
AM_RANGE(0x28, 0x2f) AM_READWRITE8(apc_port_28_r, apc_port_28_w, 0xffff)
AM_RANGE(0x28, 0x2f) AM_READWRITE8(apc_port_28_r, apc_port_28_w, 0xffff) // i8259 (even) / pit8253 (odd)
// 0x30, 0x37 serial port 0/1 (i8251) (even/odd)
AM_RANGE(0x38, 0x3f) AM_WRITE8(apc_dma_segments_w,0x00ff)
AM_RANGE(0x40, 0x43) AM_READWRITE8(apc_gdc_r, apc_gdc_w, 0xffff)
@ -410,7 +424,40 @@ static ADDRESS_MAP_START( apc_io, AS_IO, 16, apc_state )
// AM_DEVREADWRITE8("upd7220_btm", upd7220_device, read, write, 0x00ff)
ADDRESS_MAP_END
/* TODO: key repeat, remove port impulse! */
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?
pic8259_ir4_w(machine().device("pic8259_master"), 1);
}
if(oldval && !newval)
{
m_keyb_press = 0;
m_keyb_status &= ~1;
pic8259_ir4_w(machine().device("pic8259_master"), 0);
}
}
static INPUT_PORTS_START( apc )
PORT_START("KEY0")
PORT_BIT(0x01,IP_ACTIVE_HIGH,IPT_UNUSED)
PORT_BIT(0x02,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("1") PORT_CODE(KEYCODE_1) PORT_CHAR('1') PORT_IMPULSE(1) PORT_CHANGED_MEMBER(DEVICE_SELF, apc_state, key_stroke, 0x31)
PORT_BIT(0x04,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("2") PORT_CODE(KEYCODE_2) PORT_CHAR('2') PORT_IMPULSE(1) PORT_CHANGED_MEMBER(DEVICE_SELF, apc_state, key_stroke, 0x32)
PORT_BIT(0x08,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("3") PORT_CODE(KEYCODE_3) PORT_CHAR('3') PORT_IMPULSE(1) PORT_CHANGED_MEMBER(DEVICE_SELF, apc_state, key_stroke, 0x33)
PORT_BIT(0x10,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("4") PORT_CODE(KEYCODE_4) PORT_CHAR('4') PORT_IMPULSE(1) PORT_CHANGED_MEMBER(DEVICE_SELF, apc_state, key_stroke, 0x34)
PORT_BIT(0x20,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("5") PORT_CODE(KEYCODE_5) PORT_CHAR('5') PORT_IMPULSE(1) PORT_CHANGED_MEMBER(DEVICE_SELF, apc_state, key_stroke, 0x35)
PORT_BIT(0x40,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("6") PORT_CODE(KEYCODE_6) PORT_CHAR('6') PORT_IMPULSE(1) PORT_CHANGED_MEMBER(DEVICE_SELF, apc_state, key_stroke, 0x36)
PORT_BIT(0x80,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("7") PORT_CODE(KEYCODE_7) PORT_CHAR('7') PORT_IMPULSE(1) PORT_CHANGED_MEMBER(DEVICE_SELF, apc_state, key_stroke, 0x37)
PORT_START("KEY1")
PORT_BIT(0x01,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("BREAK") PORT_CODE(KEYCODE_ESC) PORT_IMPULSE(1) PORT_CHANGED_MEMBER(DEVICE_SELF, apc_state, key_stroke, 0x96)
/* dummy active high structure */
PORT_START("SYSA")
PORT_DIPNAME( 0x01, 0x00, "SYSA" )
@ -480,8 +527,15 @@ void apc_state::fdc_irq(bool state)
pic8259_ir3_w(machine().device("pic8259_slave"), state);
}
static IRQ_CALLBACK(irq_callback)
{
return pic8259_acknowledge( device->machine().device( "pic8259_master" ));
}
void apc_state::machine_start()
{
machine().device("maincpu")->execute().set_irq_acknowledge_callback(irq_callback);
m_fdc->set_rate(500000);
m_fdc->setup_intrq_cb(upd765a_device::line_cb(FUNC(apc_state::fdc_irq), this));
m_fdc->setup_drq_cb(upd765a_device::line_cb(FUNC(apc_state::fdc_drq), this));
@ -489,6 +543,7 @@ void apc_state::machine_start()
void apc_state::machine_reset()
{
m_keyb_status = m_keyb_press = 0;
}
@ -568,10 +623,10 @@ static const struct pit8253_config pit8253_config =
irq assignment:
8259 master:
ir0
ir0 (enabled at POST, unknown purpose)
ir1
ir2
ir3
ir3 (enabled after CP/M loading, serial?)
ir4 keyboard (almost trusted, check code at fe64a)
ir5
ir6
@ -588,10 +643,10 @@ ir6
ir7
*/
WRITE_LINE_MEMBER(apc_state::apc_master_set_int_line)
{
//printf("%02x\n",interrupt);
// printf("irq %d\n",state);
machine().device("maincpu")->execute().set_input_line(0, state ? HOLD_LINE : CLEAR_LINE);
}