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v100: No reason not to hook the 8116 up now (nw)

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This commit is contained in:
AJR 2017-12-31 17:20:03 -05:00
parent a9bd4df5f0
commit 1ec91f5023
1 changed files with 10 additions and 1 deletions
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11
src/mame/drivers/v100.cpp
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@ -22,19 +22,28 @@ public:
v100_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag)
, m_maincpu(*this, "maincpu")
, m_brg(*this, "brg")
, m_earom(*this, "earom")
, m_p_chargen(*this, "chargen")
{ }
DECLARE_WRITE8_MEMBER(brg_w);
DECLARE_READ8_MEMBER(earom_r);
DECLARE_WRITE8_MEMBER(ppi_porta_w);
private:
required_device<cpu_device> m_maincpu;
required_device<com8116_device> m_brg;
required_device<er1400_device> m_earom;
required_region_ptr<u8> m_p_chargen;
};
WRITE8_MEMBER(v100_state::brg_w)
{
m_brg->str_w(data & 0x0f);
m_brg->stt_w(data >> 4);
}
READ8_MEMBER(v100_state::earom_r)
{
return m_earom->data_r();
@ -53,7 +62,7 @@ ADDRESS_MAP_END
static ADDRESS_MAP_START( io_map, AS_IO, 8, v100_state )
ADDRESS_MAP_GLOBAL_MASK(0xff)
//AM_RANGE(0x00, 0x0f) AM_DEVWRITE("vtac", crt5037_device, write)
// 0x10 - 8116T baud rate
AM_RANGE(0x10, 0x10) AM_WRITE(brg_w)
AM_RANGE(0x12, 0x12) AM_DEVREADWRITE("usart", i8251_device, data_r, data_w)
AM_RANGE(0x13, 0x13) AM_DEVREADWRITE("usart", i8251_device, status_r, control_w)
// 0x14-0x15 - second 8251 (not populated)