Sprinter/mame
2
0
Fork 0
mirror of https://github.com/holub/mame synced 2025-04-24 17:30:55 +03:00
Code Issues Actions 1 Packages Projects Releases Wiki Activity

mtouchxl: added preliminary 1-wiret iButton hookup. (nw)

Browse Source
This commit is contained in:
arbee 2017-04-10 23:11:24 -04:00
parent caa4bb8db5
commit 1f778d78bd
1 changed files with 20 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

21
src/mame/drivers/mtouchxl.cpp
View File

@ -28,6 +28,7 @@
#include "machine/bankdev.h"
#include "machine/intelfsh.h"
#include "machine/ds128x.h"
#include "machine/ds2401.h"
#include "speaker.h"
class mtxl_state : public driver_device
@ -38,15 +39,19 @@ public:
m_maincpu(*this, "maincpu"),
m_mb(*this, "mb"),
m_ram(*this, RAM_TAG),
m_iocard(*this, "dbank")
m_iocard(*this, "dbank"),
m_ibutton(*this, "ibutton")
{ }
required_device<cpu_device> m_maincpu;
required_device<at_mb_device> m_mb;
required_device<ram_device> m_ram;
required_device<address_map_bank_device> m_iocard;
required_device<ds2401_device> m_ibutton;
void machine_start() override;
void machine_reset() override;
DECLARE_WRITE8_MEMBER(bank_w);
DECLARE_READ8_MEMBER(key_r);
DECLARE_WRITE8_MEMBER(key_w);
};
WRITE8_MEMBER(mtxl_state::bank_w)
@ -54,6 +59,16 @@ WRITE8_MEMBER(mtxl_state::bank_w)
m_iocard->set_bank(data & 0x1f);
}
READ8_MEMBER(mtxl_state::key_r)
{
return m_ibutton->read() ? 0x20 : 0;
}
WRITE8_MEMBER(mtxl_state::key_w)
{
m_ibutton->write((data & 0x10) ? ASSERT_LINE : CLEAR_LINE);
}
static ADDRESS_MAP_START( at32_map, AS_PROGRAM, 32, mtxl_state )
ADDRESS_MAP_UNMAP_HIGH
AM_RANGE(0x00000000, 0x0009ffff) AM_RAMBANK("bank10")
@ -75,6 +90,7 @@ static ADDRESS_MAP_START( at32_io, AS_IO, 32, mtxl_state )
AM_RANGE(0x00a0, 0x00bf) AM_DEVREADWRITE8("mb:pic8259_slave", pic8259_device, read, write, 0xffffffff)
AM_RANGE(0x00c0, 0x00df) AM_DEVREADWRITE8("mb:dma8237_2", am9517a_device, read, write, 0x00ff00ff)
AM_RANGE(0x022c, 0x022f) AM_WRITE8(bank_w, 0xff000000)
AM_RANGE(0x022c, 0x022f) AM_READWRITE8(key_r, key_w, 0x0000ff00)
AM_RANGE(0x03f8, 0x03ff) AM_DEVREADWRITE8("ns16550", ns16550_device, ins8250_r, ins8250_w, 0xffffffff)
ADDRESS_MAP_END
@ -168,6 +184,9 @@ static MACHINE_CONFIG_START( at486, mtxl_state )
/* Flash ROM */
MCFG_AMD_29F040_ADD("flash")
/* Security iButton */
MCFG_DS2401_ADD("ibutton")
MACHINE_CONFIG_END
ROM_START( mtchxl6k )