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dvp1: Add some logging (nw)

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This commit is contained in:
AJR 2020-05-14 13:45:37 -04:00
parent 06ee4cb8d1
commit 0ad6cbc9a1
1 changed files with 46 additions and 0 deletions
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46
src/mame/drivers/korgdvp1.cpp
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@ -25,6 +25,12 @@ public:
void dvp1(machine_config &config);
private:
u8 inputs_r();
u8 dsp_int_r();
void control_w(u8 data);
void leds_w(offs_t offset, u8 data);
void dsp_w(offs_t offset, u8 data);
void main_map(address_map &map);
required_device<upd7810_device> m_maincpu;
@ -32,10 +38,47 @@ private:
};
u8 korgdvp1_state::inputs_r()
{
return 0xff;
}
u8 korgdvp1_state::dsp_int_r()
{
// PB3 = BUSY
// PB6 = INT0
// PB7 = INT1
return 0xff;
}
void korgdvp1_state::control_w(u8 data)
{
// PB0, PB1 = input select (HC139)
// PB2 = MUTE
// PB4 = DSP RES
// PB5 = ROM/RAM
}
void korgdvp1_state::leds_w(offs_t offset, u8 data)
{
for (int i = 0; i < 8; i++)
if (BIT(offset, i))
logerror("%s: Writing %02X to A%d LEDs\n", machine().describe_context(), data, i);
}
void korgdvp1_state::dsp_w(offs_t offset, u8 data)
{
for (int i = 0; i < 2; i++)
if (!BIT(offset, 9 - i))
logerror("%s: Writing %02X to DSP %d\n", machine().describe_context(), data, i + 1);
}
void korgdvp1_state::main_map(address_map &map)
{
map(0x0000, 0x7fff).rom().region("program", 0);
map(0x8000, 0x87ff).mirror(0x1800).ram().share("nvram");
map(0xa000, 0xa0ff).mirror(0x1f00).w(FUNC(korgdvp1_state::leds_w));
map(0xc000, 0xc000).select(0x300).mirror(0x1cff).w(FUNC(korgdvp1_state::dsp_w));
}
@ -46,6 +89,9 @@ void korgdvp1_state::dvp1(machine_config &config)
{
UPD7810(config, m_maincpu, 12_MHz_XTAL); // µPD7811-161-36 (according to parts list) but with both mode pins pulled up
m_maincpu->set_addrmap(AS_PROGRAM, &korgdvp1_state::main_map);
m_maincpu->pa_in_cb().set(FUNC(korgdvp1_state::inputs_r));
m_maincpu->pb_in_cb().set(FUNC(korgdvp1_state::dsp_int_r));
m_maincpu->pb_out_cb().set(FUNC(korgdvp1_state::control_w));
NVRAM(config, "nvram", nvram_device::DEFAULT_ALL_0); // HM6116LP-4 + 3V lithium battery