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victor9k: WIP. (nw)

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This commit is contained in:
Curt Coder 2016-08-14 15:09:06 +03:00
parent 662950fc74
commit 696c54d95a
2 changed files with 12 additions and 4 deletions
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14
src/mame/machine/victor9k_fdc.cpp
View File

@ -29,6 +29,7 @@
TODO:
- audiokit tries to communicate with SCP using RDY0/1
- write protect
- separate read/write methods
- communication error with SCP after loading boot sector
@ -291,6 +292,8 @@ void victor_9000_fdc_t::device_start()
save_item(NAME(m_tach1));
save_item(NAME(m_rdy0));
save_item(NAME(m_rdy1));
save_item(NAME(m_via_rdy0));
save_item(NAME(m_via_rdy1));
save_item(NAME(m_l0ms));
save_item(NAME(m_l1ms));
save_item(NAME(m_st0));
@ -435,8 +438,8 @@ READ8_MEMBER( victor_9000_fdc_t::floppy_p2_r )
UINT8 data = m_p2 & 0x3f;
data |= m_rdy0 << 6;
data |= m_rdy1 << 7;
data |= m_via_rdy0 << 6;
data |= m_via_rdy1 << 7;
return data;
}
@ -810,6 +813,8 @@ WRITE8_MEMBER( victor_9000_fdc_t::via5_pb_w )
if (LOG_VIA) logerror("%s %s WD %02x\n", machine().time().as_string(), machine().describe_context(), data);
m_via5->write_cb1(BIT(data, 7));
if (m_wd != data)
{
live_sync();
@ -969,8 +974,8 @@ WRITE8_MEMBER( victor_9000_fdc_t::via6_pb_w )
*/
set_rdy0(BIT(data, 0));
set_rdy1(BIT(data, 1));
m_via_rdy0 = BIT(data, 0);
m_via_rdy1 = BIT(data, 1);
// motor speed controller reset
if (!BIT(data, 2))
@ -985,6 +990,7 @@ WRITE8_MEMBER( victor_9000_fdc_t::via6_pb_w )
// stepper enable B
int stp1 = BIT(data, 7);
if (m_stp1 != stp1) sync = true;
m_via6->write_cb1(stp1);
if (sync)
{

2
src/mame/machine/victor9k_fdc.h
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@ -190,6 +190,8 @@ private:
int m_tach1;
int m_rdy0;
int m_rdy1;
int m_via_rdy0;
int m_via_rdy1;
UINT8 m_l0ms;
UINT8 m_l1ms;
int m_st0;