diff options
Diffstat (limited to 'src/mame/drivers/notechan.cpp')
| -rw-r--r-- | src/mame/drivers/notechan.cpp | 40 |
1 files changed, 23 insertions, 17 deletions
diff --git a/src/mame/drivers/notechan.cpp b/src/mame/drivers/notechan.cpp index de3a3060cec..c8ed2c3596a 100644 --- a/src/mame/drivers/notechan.cpp +++ b/src/mame/drivers/notechan.cpp @@ -133,6 +133,9 @@ public: required_device<cpu_device> m_maincpu; + DECLARE_WRITE8_MEMBER(out_f8_w); + DECLARE_WRITE8_MEMBER(out_f9_w); + DECLARE_WRITE8_MEMBER(out_fa_w); }; @@ -153,20 +156,28 @@ ADDRESS_MAP_END static ADDRESS_MAP_START( notechan_port_map, AS_IO, 8, notechan_state ) ADDRESS_MAP_GLOBAL_MASK(0xff) - AM_RANGE(0x00, 0x00) AM_DEVREADWRITE("oki", okim6295_device, read, write) // wrong... just a placeholder. 00h seems unused. - AM_RANGE(0xf8, 0xf8) AM_WRITENOP // watchdog reset? + AM_RANGE(0xf0, 0xf0) AM_DEVREADWRITE("oki", okim6295_device, read, write) + AM_RANGE(0xf8, 0xf8) AM_READ_PORT("IN0") AM_WRITE(out_f8_w) + AM_RANGE(0xf9, 0xf9) AM_READ_PORT("IN1") AM_WRITE(out_f9_w) + AM_RANGE(0xfa, 0xfa) AM_READ_PORT("IN2") AM_WRITE(out_fa_w) + AM_RANGE(0xfb, 0xfb) AM_READ_PORT("IN3") + AM_RANGE(0xff, 0xff) AM_WRITENOP // watchdog reset? (written immediately upon reset, INT and NMI) ADDRESS_MAP_END -/* - F0: -W 78 - F8: RW (alternate 00 & 02 and ends with C0) - FA: -W 00 (from $A4B1 contents transferred to reg A) - FB: R- ??? - FF: -W 00 (at start, and then often later) +WRITE8_MEMBER(notechan_state::out_f8_w) +{ + logerror("Output %02X to $F8\n", data); +} - Need more analysis... +WRITE8_MEMBER(notechan_state::out_f9_w) +{ + logerror("Output %02X to $F9\n", data); +} -*/ +WRITE8_MEMBER(notechan_state::out_fa_w) +{ + logerror("Output %02X to $FA\n", data); +} /********************************************* * Input Ports Definitions * @@ -184,14 +195,8 @@ static INPUT_PORTS_START( notechan ) PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_OTHER ) PORT_NAME("0-8") PORT_CODE(KEYCODE_8) PORT_START("IN1") - PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_OTHER ) PORT_NAME("1-1") PORT_CODE(KEYCODE_Q) - PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_OTHER ) PORT_NAME("1-2") PORT_CODE(KEYCODE_W) - PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_OTHER ) PORT_NAME("1-3") PORT_CODE(KEYCODE_E) - PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_OTHER ) PORT_NAME("1-4") PORT_CODE(KEYCODE_R) PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_OTHER ) PORT_NAME("1-5") PORT_CODE(KEYCODE_T) - PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_OTHER ) PORT_NAME("1-6") PORT_CODE(KEYCODE_Y) - PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_OTHER ) PORT_NAME("1-7") PORT_CODE(KEYCODE_U) - PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_OTHER ) PORT_NAME("1-8") PORT_CODE(KEYCODE_I) + PORT_BIT( 0xef, IP_ACTIVE_LOW, IPT_UNUSED ) PORT_START("IN2") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_OTHER ) PORT_NAME("2-1") PORT_CODE(KEYCODE_A) @@ -250,6 +255,7 @@ static MACHINE_CONFIG_START( notechan ) MCFG_CPU_ADD("maincpu", Z80, CPU_CLOCK) // unknown... MCFG_CPU_PROGRAM_MAP(notechan_map) MCFG_CPU_IO_MAP(notechan_port_map) + MCFG_CPU_PERIODIC_INT_DRIVER(driver_device, irq0_line_hold, 60) /* NO VIDEO */ |