diff options
Diffstat (limited to 'src/mame/drivers/kas89.cpp')
-rw-r--r-- | src/mame/drivers/kas89.cpp | 78 |
1 files changed, 41 insertions, 37 deletions
diff --git a/src/mame/drivers/kas89.cpp b/src/mame/drivers/kas89.cpp index d15e1160554..d24a9941cb8 100644 --- a/src/mame/drivers/kas89.cpp +++ b/src/mame/drivers/kas89.cpp @@ -511,31 +511,33 @@ WRITE8_MEMBER(kas89_state::led_mux_select_w) * Memory Map * **************************************/ -ADDRESS_MAP_START(kas89_state::kas89_map) - AM_RANGE(0x0000, 0x7fff) AM_ROM - AM_RANGE(0x0037, 0x0037) AM_WRITENOP /* WTF? */ - AM_RANGE(0x8000, 0x81ff) AM_RAM /* empty */ - AM_RANGE(0x8200, 0x83ff) AM_RAM /* 8200-83ff (PL1) */ - AM_RANGE(0x8400, 0x85ff) AM_RAM /* 8400-85ff (PL2) */ - AM_RANGE(0x8600, 0x87ff) AM_RAM /* 8600-87ff (PL3) */ - AM_RANGE(0x8800, 0x89ff) AM_RAM /* 8800-89ff (PL4) */ - AM_RANGE(0x8a00, 0x8bff) AM_RAM /* 8a00-8bff (PL5) */ - AM_RANGE(0x8c00, 0x8dff) AM_RAM /* 8c00-8dff (PL6) */ - AM_RANGE(0x8e00, 0x8fff) AM_RAM /* empty */ - AM_RANGE(0x9000, 0x97ff) AM_RAM - AM_RANGE(0x9800, 0x9fff) AM_RAM AM_SHARE("nvram") -ADDRESS_MAP_END - -ADDRESS_MAP_START(kas89_state::kas89_io) - ADDRESS_MAP_GLOBAL_MASK(0xff) - AM_RANGE(0x40, 0x43) AM_DEVREADWRITE("v9938", v9938_device, read, write) - AM_RANGE(0x80, 0x80) AM_WRITE(mux_w) - AM_RANGE(0x81, 0x81) AM_READ(mux_r) - AM_RANGE(0x82, 0x82) AM_WRITE(control_w) /* Bit6 trigger the 138Hz osc. tied to main Z80's NMI.*/ - AM_RANGE(0x83, 0x83) AM_WRITE(led_mux_data_w) - AM_RANGE(0x84, 0x84) AM_WRITE(led_mux_select_w) - AM_RANGE(0x85, 0x85) AM_WRITE(sound_comm_w) -ADDRESS_MAP_END +void kas89_state::kas89_map(address_map &map) +{ + map(0x0000, 0x7fff).rom(); + map(0x0037, 0x0037).nopw(); /* WTF? */ + map(0x8000, 0x81ff).ram(); /* empty */ + map(0x8200, 0x83ff).ram(); /* 8200-83ff (PL1) */ + map(0x8400, 0x85ff).ram(); /* 8400-85ff (PL2) */ + map(0x8600, 0x87ff).ram(); /* 8600-87ff (PL3) */ + map(0x8800, 0x89ff).ram(); /* 8800-89ff (PL4) */ + map(0x8a00, 0x8bff).ram(); /* 8a00-8bff (PL5) */ + map(0x8c00, 0x8dff).ram(); /* 8c00-8dff (PL6) */ + map(0x8e00, 0x8fff).ram(); /* empty */ + map(0x9000, 0x97ff).ram(); + map(0x9800, 0x9fff).ram().share("nvram"); +} + +void kas89_state::kas89_io(address_map &map) +{ + map.global_mask(0xff); + map(0x40, 0x43).rw(m_v9938, FUNC(v9938_device::read), FUNC(v9938_device::write)); + map(0x80, 0x80).w(this, FUNC(kas89_state::mux_w)); + map(0x81, 0x81).r(this, FUNC(kas89_state::mux_r)); + map(0x82, 0x82).w(this, FUNC(kas89_state::control_w)); /* Bit6 trigger the 138Hz osc. tied to main Z80's NMI.*/ + map(0x83, 0x83).w(this, FUNC(kas89_state::led_mux_data_w)); + map(0x84, 0x84).w(this, FUNC(kas89_state::led_mux_select_w)); + map(0x85, 0x85).w(this, FUNC(kas89_state::sound_comm_w)); +} /* 900d --- (RAM) NMI stores the read from / write to port $82 @@ -575,18 +577,20 @@ ADDRESS_MAP_END 4aa1 : ret */ -ADDRESS_MAP_START(kas89_state::audio_map) - AM_RANGE(0x0000, 0x0fff) AM_ROM - AM_RANGE(0xc000, 0xc7ff) AM_RAM -ADDRESS_MAP_END - -ADDRESS_MAP_START(kas89_state::audio_io) - ADDRESS_MAP_GLOBAL_MASK(0xff) - AM_RANGE(0x00, 0x00) AM_WRITE(int_ack_w) // comm out (1st Z80). seems to write here the value previously read through soundlatch (port 0x02). - AM_RANGE(0x02, 0x02) AM_DEVREAD("soundlatch", generic_latch_8_device, read) - AM_RANGE(0x04, 0x04) AM_DEVREAD("aysnd", ay8910_device, data_r) - AM_RANGE(0x04, 0x05) AM_DEVWRITE("aysnd", ay8910_device, data_address_w) -ADDRESS_MAP_END +void kas89_state::audio_map(address_map &map) +{ + map(0x0000, 0x0fff).rom(); + map(0xc000, 0xc7ff).ram(); +} + +void kas89_state::audio_io(address_map &map) +{ + map.global_mask(0xff); + map(0x00, 0x00).w(this, FUNC(kas89_state::int_ack_w)); // comm out (1st Z80). seems to write here the value previously read through soundlatch (port 0x02). + map(0x02, 0x02).r(m_soundlatch, FUNC(generic_latch_8_device::read)); + map(0x04, 0x04).r("aysnd", FUNC(ay8910_device::data_r)); + map(0x04, 0x05).w("aysnd", FUNC(ay8910_device::data_address_w)); +} /************************************** |