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Diffstat (limited to 'src/mame/machine/genpc.cpp')
-rw-r--r--src/mame/machine/genpc.cpp84
1 files changed, 26 insertions, 58 deletions
diff --git a/src/mame/machine/genpc.cpp b/src/mame/machine/genpc.cpp
index 44dbcd00d20..a749180fd3a 100644
--- a/src/mame/machine/genpc.cpp
+++ b/src/mame/machine/genpc.cpp
@@ -36,12 +36,6 @@
*
*************************************************************************/
-READ8_MEMBER( ibm5160_mb_device::pc_page_r)
-{
- return 0xff;
-}
-
-
WRITE8_MEMBER( ibm5160_mb_device::pc_page_w)
{
switch(offset % 4)
@@ -528,24 +522,14 @@ ibm5160_mb_device::ibm5160_mb_device(const machine_config &mconfig, const char *
{
}
-void ibm5160_mb_device::install_device(offs_t start, offs_t end, offs_t mask, offs_t mirror, read8_delegate rhandler, write8_delegate whandler)
-{
- int buswidth = m_maincpu->space_config(AS_IO)->m_databus_width;
- switch(buswidth)
- {
- case 8:
- if(!rhandler.isnull()) m_maincpu->space(AS_IO).install_read_handler(start, end, mask, mirror, rhandler, 0);
- if(!whandler.isnull()) m_maincpu->space(AS_IO).install_write_handler(start, end, mask, mirror, whandler, 0);
- break;
- case 16:
- if(!rhandler.isnull()) m_maincpu->space(AS_IO).install_read_handler(start, end, mask, mirror, rhandler, 0xffff);
- if(!whandler.isnull()) m_maincpu->space(AS_IO).install_write_handler(start, end, mask, mirror, whandler, 0xffff);
- break;
- default:
- fatalerror("IBM5160_MOTHERBOARD: Bus width %d not supported\n", buswidth);
- }
-}
-
+DEVICE_ADDRESS_MAP_START( map, 8, ibm5160_mb_device )
+ AM_RANGE(0x0000, 0x000f) AM_DEVREADWRITE("dma8237", am9517a_device, read, write)
+ AM_RANGE(0x0020, 0x002f) AM_DEVREADWRITE("pic8259", pic8259_device, read, write)
+ AM_RANGE(0x0040, 0x004f) AM_DEVREADWRITE("pit8253", pit8253_device, read, write)
+ AM_RANGE(0x0060, 0x006f) AM_DEVREADWRITE("ppi8255", i8255_device, read, write)
+ AM_RANGE(0x0080, 0x008f) AM_WRITE(pc_page_w)
+ AM_RANGE(0x00a0, 0x00a1) AM_WRITE(nmi_enable_w)
+ADDRESS_MAP_END
//-------------------------------------------------
// device_start - device-specific startup
@@ -553,15 +537,9 @@ void ibm5160_mb_device::install_device(offs_t start, offs_t end, offs_t mask, of
void ibm5160_mb_device::device_start()
{
- install_device(0x0000, 0x000f, 0, 0, read8_delegate(FUNC(am9517a_device::read), (am9517a_device*)m_dma8237), write8_delegate(FUNC(am9517a_device::write), (am9517a_device*)m_dma8237) );
- install_device(0x0020, 0x0021, 0, 0, read8_delegate(FUNC(pic8259_device::read), (pic8259_device*)m_pic8259), write8_delegate(FUNC(pic8259_device::write), (pic8259_device*)m_pic8259) );
- install_device(0x0040, 0x0043, 0, 0, read8_delegate(FUNC(pit8253_device::read), (pit8253_device*)m_pit8253), write8_delegate(FUNC(pit8253_device::write), (pit8253_device*)m_pit8253) );
- install_device(0x0060, 0x0063, 0, 0, read8_delegate(FUNC(i8255_device::read), (i8255_device*)m_ppi8255), write8_delegate(FUNC(i8255_device::write), (i8255_device*)m_ppi8255) );
- install_device(0x0080, 0x0087, 0, 0, read8_delegate(FUNC(ibm5160_mb_device::pc_page_r), this), write8_delegate(FUNC(ibm5160_mb_device::pc_page_w),this) );
- install_device(0x00a0, 0x00a1, 0, 0, read8_delegate(), write8_delegate(FUNC(ibm5160_mb_device::nmi_enable_w),this));
- /* MESS managed RAM */
- if ( m_ram->pointer() )
- membank( "bank10" )->set_base( m_ram->pointer() );
+ if(!m_ram->started())
+ throw device_missing_dependencies();
+ m_maincpu->space(AS_PROGRAM).install_ram(0, m_ram->size() - 1, m_ram->pointer());
}
@@ -607,6 +585,10 @@ static MACHINE_CONFIG_FRAGMENT( ibm5150_mb_config )
MCFG_DEVICE_MODIFY("pc_kbdc")
MCFG_PC_KBDC_OUT_CLOCK_CB(WRITELINE(ibm5150_mb_device, keyboard_clock_w))
+ MCFG_DEVICE_MODIFY("ppi8255")
+ MCFG_I8255_OUT_PORTB_CB(WRITE8(ibm5150_mb_device, pc_ppi_portb_w))
+ MCFG_I8255_IN_PORTC_CB(READ8(ibm5150_mb_device, pc_ppi_portc_r))
+
MCFG_CASSETTE_ADD( "cassette" )
MCFG_CASSETTE_DEFAULT_STATE(CASSETTE_PLAY | CASSETTE_MOTOR_DISABLED | CASSETTE_SPEAKER_ENABLED)
MACHINE_CONFIG_END
@@ -636,15 +618,6 @@ ibm5150_mb_device::ibm5150_mb_device(const machine_config &mconfig, const char *
{
}
-void ibm5150_mb_device::device_start()
-{
- ibm5160_mb_device::device_start();
-}
-void ibm5150_mb_device::device_reset()
-{
- ibm5160_mb_device::device_reset();
-}
-
READ8_MEMBER (ibm5150_mb_device::pc_ppi_porta_r)
{
int data = 0xFF;
@@ -788,6 +761,10 @@ const device_type EC1841_MOTHERBOARD = &device_creator<ec1841_mb_device>;
static MACHINE_CONFIG_FRAGMENT( ec1841_mb_config )
MCFG_FRAGMENT_ADD(ibm5160_mb_config)
+ MCFG_DEVICE_MODIFY("ppi8255")
+ MCFG_I8255_OUT_PORTB_CB(WRITE8(ec1841_mb_device, pc_ppi_portb_w))
+ MCFG_I8255_IN_PORTC_CB(READ8(ec1841_mb_device, pc_ppi_portc_r))
+
MCFG_DEVICE_MODIFY("pc_kbdc")
MCFG_PC_KBDC_OUT_CLOCK_CB(WRITELINE(ec1841_mb_device, keyboard_clock_w))
MACHINE_CONFIG_END
@@ -857,11 +834,6 @@ ec1841_mb_device::ec1841_mb_device(const machine_config &mconfig, const char *ta
void ec1841_mb_device::device_start()
{
- ibm5160_mb_device::device_start();
-}
-void ec1841_mb_device::device_reset()
-{
- ibm5160_mb_device::device_reset();
}
// kbd interface is 5150-like but PB2 controls access to second bank of DIP switches (SA2).
@@ -939,16 +911,12 @@ ioport_constructor pc_noppi_mb_device::device_input_ports() const
return INPUT_PORTS_NAME( pc_noppi_mb );
}
-void pc_noppi_mb_device::device_start()
-{
- install_device(0x0000, 0x000f, 0, 0, read8_delegate(FUNC(am9517a_device::read), (am9517a_device*)m_dma8237), write8_delegate(FUNC(am9517a_device::write), (am9517a_device*)m_dma8237) );
- install_device(0x0020, 0x0021, 0, 0, read8_delegate(FUNC(pic8259_device::read), (pic8259_device*)m_pic8259), write8_delegate(FUNC(pic8259_device::write), (pic8259_device*)m_pic8259) );
- install_device(0x0040, 0x0043, 0, 0, read8_delegate(FUNC(pit8253_device::read), (pit8253_device*)m_pit8253), write8_delegate(FUNC(pit8253_device::write), (pit8253_device*)m_pit8253) );
- install_device(0x0080, 0x0087, 0, 0, read8_delegate(FUNC(ibm5160_mb_device::pc_page_r), this), write8_delegate(FUNC(ibm5160_mb_device::pc_page_w),this) );
- install_device(0x00a0, 0x00a1, 0, 0, read8_delegate(), write8_delegate(FUNC(ibm5160_mb_device::nmi_enable_w),this));
- /* MESS managed RAM */
- if ( m_ram->pointer() )
- membank( "bank10" )->set_base( m_ram->pointer() );
-}
+DEVICE_ADDRESS_MAP_START( map, 8, pc_noppi_mb_device )
+ AM_RANGE(0x0000, 0x000f) AM_DEVREADWRITE("dma8237", am9517a_device, read, write)
+ AM_RANGE(0x0020, 0x002f) AM_DEVREADWRITE("pic8259", pic8259_device, read, write)
+ AM_RANGE(0x0040, 0x004f) AM_DEVREADWRITE("pit8253", pit8253_device, read, write)
+ AM_RANGE(0x0080, 0x008f) AM_WRITE(pc_page_w)
+ AM_RANGE(0x00a0, 0x00a1) AM_WRITE(nmi_enable_w)
+ADDRESS_MAP_END
const device_type PCNOPPI_MOTHERBOARD = &device_creator<pc_noppi_mb_device>;