diff options
author | arbee <rb6502@users.noreply.github.com> | 2017-04-10 23:11:24 -0400 |
---|---|---|
committer | arbee <rb6502@users.noreply.github.com> | 2017-04-10 23:11:24 -0400 |
commit | 1f778d78bd9a90db4218b563e0e75527f898b949 (patch) | |
tree | f3c59e266a2f6988679aefd7f4034ab83b843779 | |
parent | caa4bb8db52a0c3c3a46d67fbcdf64ced2f7b579 (diff) |
mtouchxl: added preliminary 1-wiret iButton hookup. (nw)
-rw-r--r-- | src/mame/drivers/mtouchxl.cpp | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/src/mame/drivers/mtouchxl.cpp b/src/mame/drivers/mtouchxl.cpp index d4fb7d73b7c..1bfe7016bcb 100644 --- a/src/mame/drivers/mtouchxl.cpp +++ b/src/mame/drivers/mtouchxl.cpp @@ -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 ) |