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vis: pad (nw)

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This commit is contained in:
cracyc 2016-11-14 14:23:44 -06:00
parent 84cf1e1108
commit 61bcb87960
1 changed files with 111 additions and 16 deletions
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127
src/mame/drivers/vis.cpp
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@ -22,7 +22,7 @@ protected:
virtual void device_start() override;
virtual void device_reset() override;
virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) override;
virtual void dack16_w(int line, uint16_t data) override { if(m_samples < 2) m_sample[m_samples++] = data; else m_isa->drq7_w(CLEAR_LINE); }
virtual void dack16_w(int line, uint16_t data) override;
virtual machine_config_constructor device_mconfig_additions() const override;
private:
required_device<dac_word_interface> m_rdac;
@ -33,6 +33,7 @@ private:
uint8_t m_data[2][16];
uint8_t m_mode;
uint8_t m_stat;
uint8_t m_dmalen;
unsigned int m_sample_byte;
unsigned int m_samples;
emu_timer *m_pcm;
@ -60,7 +61,7 @@ void vis_audio_device::device_start()
void vis_audio_device::device_reset()
{
m_count = 0;
m_count = 0xffff;
m_sample_byte = 0;
m_samples = 0;
m_mode = 0;
@ -68,8 +69,22 @@ void vis_audio_device::device_reset()
m_stat = 0;
}
void vis_audio_device::dack16_w(int line, uint16_t data)
{
if(m_samples < ((m_dmalen & 2) ? 1 : 2))
m_sample[m_samples++] = data;
else
m_isa->drq7_w(CLEAR_LINE);
}
void vis_audio_device::device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr)
{
if(m_count == 0xffff)
{
m_isa->drq7_w(ASSERT_LINE);
m_samples = 0;
return;
}
switch(m_mode & 0x88)
{
case 0x80: // 8bit mono
@ -97,7 +112,7 @@ void vis_audio_device::device_timer(emu_timer &timer, device_timer_id id, int pa
break;
}
if(m_sample_byte >= 4)
if(m_sample_byte >= ((m_dmalen & 2) ? 2 : 4))
{
m_sample_byte = 0;
m_samples = 0;
@ -108,7 +123,6 @@ void vis_audio_device::device_timer(emu_timer &timer, device_timer_id id, int pa
m_ldac->write(0x8000);
m_rdac->write(0x8000);
m_stat = 4;
m_pcm->adjust(attotime::never);
m_isa->irq7_w(ASSERT_LINE);
}
m_count--;
@ -151,6 +165,9 @@ READ8_MEMBER(vis_audio_device::pcm_r)
return m_count & 0xff;
case 0x0e:
return m_count >> 8;
case 0x0f:
//cdrom related?
break;
default:
logerror("unknown pcm read %04x\n", offset);
break;
@ -177,17 +194,23 @@ WRITE8_MEMBER(vis_audio_device::pcm_w)
case 0x05:
m_index[1] = data;
break;
case 0x09:
m_dmalen = data;
break;
case 0x0c:
m_count = (m_count & 0xff00) | data;
break;
case 0x0e:
m_count = (m_count & 0xff) | (data << 8);
break;
case 0x0f:
//cdrom related?
break;
default:
logerror("unknown pcm write %04x %02x\n", offset, data);
break;
}
if((m_mode & 0x10) && m_count)
if((m_mode & 0x10) && (m_count != 0xffff))
{
const int rates[] = {44100, 22050, 11025, 5512};
m_samples = 0;
@ -197,6 +220,8 @@ WRITE8_MEMBER(vis_audio_device::pcm_w)
attotime rate = attotime::from_hz(rates[(m_mode >> 5) & 3]);
m_pcm->adjust(rate, 0, rate);
}
else if(!(m_mode & 0x10))
m_pcm->adjust(attotime::never);
}
class vis_vga_device : public svga_device,
@ -427,7 +452,14 @@ WRITE8_MEMBER(vis_vga_device::visvgamem_w)
READ8_MEMBER(vis_vga_device::vga_r)
{
if(offset == 0x16)
{
if(m_extcnt == 4)
{
m_extcnt = 0;
return m_extreg;
}
m_extcnt++;
}
if(offset < 0x10)
return port_03b0_r(space, offset, mem_mask);
else if(offset < 0x20)
@ -499,10 +531,14 @@ public:
vis_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag),
m_maincpu(*this, "maincpu"),
m_pic1(*this, "mb:pic8259_slave")
m_pic1(*this, "mb:pic8259_master"),
m_pic2(*this, "mb:pic8259_slave"),
m_pad(*this, "PAD")
{ }
required_device<cpu_device> m_maincpu;
required_device<pic8259_device> m_pic1;
required_device<pic8259_device> m_pic2;
required_ioport m_pad;
DECLARE_READ8_MEMBER(sysctl_r);
DECLARE_WRITE8_MEMBER(sysctl_w);
@ -510,20 +546,31 @@ public:
DECLARE_WRITE8_MEMBER(unk_w);
DECLARE_READ8_MEMBER(unk2_r);
DECLARE_READ8_MEMBER(unk3_r);
DECLARE_READ8_MEMBER(pad_r);
DECLARE_WRITE8_MEMBER(pad_w);
DECLARE_READ16_MEMBER(pad_r);
DECLARE_WRITE16_MEMBER(pad_w);
DECLARE_READ8_MEMBER(unk1_r);
DECLARE_WRITE8_MEMBER(unk1_w);
DECLARE_INPUT_CHANGED_MEMBER(update);
protected:
void machine_reset() override;
private:
uint8_t m_sysctl;
uint8_t m_unkidx;
uint8_t m_unk[16];
uint8_t m_pad[4];
uint8_t m_unk1[4];
uint16_t m_padctl, m_padstat;
};
void vis_state::machine_reset()
{
m_sysctl = 0;
m_padctl = 0;
}
INPUT_CHANGED_MEMBER(vis_state::update)
{
m_pic1->ir3_w(ASSERT_LINE);
m_padstat = 0x80;
}
//chipset registers?
@ -553,24 +600,54 @@ READ8_MEMBER(vis_state::unk3_r)
return 0x00;
}
READ8_MEMBER(vis_state::pad_r)
READ16_MEMBER(vis_state::pad_r)
{
uint16_t ret = 0;
switch(offset)
{
case 0:
ret = m_pad->read();
if(m_padctl != 0x18)
ret |= 0x400;
else
m_padctl = 0;
m_padstat = 0;
m_pic1->ir3_w(CLEAR_LINE);
break;
case 1:
ret = m_padstat;
}
return ret;
}
WRITE16_MEMBER(vis_state::pad_w)
{
switch(offset)
{
case 1:
m_padctl = data;
break;
}
}
READ8_MEMBER(vis_state::unk1_r)
{
if(offset == 2)
return 0xde;
return 0;
}
WRITE8_MEMBER(vis_state::pad_w)
WRITE8_MEMBER(vis_state::unk1_w)
{
switch(offset)
{
case 1:
if(data == 0x10)
m_pic1->ir1_w(CLEAR_LINE);
m_pic2->ir1_w(CLEAR_LINE);
else if(data == 0x16)
m_pic1->ir1_w(ASSERT_LINE);
m_pic2->ir1_w(ASSERT_LINE);
}
m_pad[offset] = data;
m_unk1[offset] = data;
}
READ8_MEMBER(vis_state::sysctl_r)
@ -607,7 +684,8 @@ static ADDRESS_MAP_START( at16_io, AS_IO, 16, vis_state )
AM_RANGE(0x0080, 0x009f) AM_DEVREADWRITE8("mb", at_mb_device, page8_r, page8_w, 0xffff)
AM_RANGE(0x00a0, 0x00bf) AM_DEVREADWRITE8("mb:pic8259_slave", pic8259_device, read, write, 0xffff)
AM_RANGE(0x00c0, 0x00df) AM_DEVREADWRITE8("mb:dma8237_2", am9517a_device, read, write, 0x00ff)
AM_RANGE(0x023c, 0x023f) AM_READWRITE8(pad_r, pad_w, 0xffff)
AM_RANGE(0x023c, 0x023f) AM_READWRITE8(unk1_r, unk1_w, 0xffff)
AM_RANGE(0x0268, 0x026f) AM_READWRITE(pad_r, pad_w)
AM_RANGE(0x031a, 0x031b) AM_READ8(unk3_r, 0x00ff)
ADDRESS_MAP_END
@ -616,8 +694,25 @@ static SLOT_INTERFACE_START(vis_cards)
SLOT_INTERFACE("visvga", VIS_VGA)
SLOT_INTERFACE_END
// TODO: other buttons
static INPUT_PORTS_START(vis)
PORT_INCLUDE( at_keyboard )
PORT_START("PAD")
PORT_BIT( 0x0001, IP_ACTIVE_HIGH, IPT_JOYSTICK_DOWN ) PORT_CHANGED_MEMBER(DEVICE_SELF, vis_state, update, 0)
PORT_BIT( 0x0002, IP_ACTIVE_HIGH, IPT_UNKNOWN ) PORT_CHANGED_MEMBER(DEVICE_SELF, vis_state, update, 0)
PORT_BIT( 0x0004, IP_ACTIVE_HIGH, IPT_BUTTON1 ) PORT_NAME("A") PORT_CHANGED_MEMBER(DEVICE_SELF, vis_state, update, 0)
PORT_BIT( 0x0008, IP_ACTIVE_HIGH, IPT_UNKNOWN ) PORT_CHANGED_MEMBER(DEVICE_SELF, vis_state, update, 0)
PORT_BIT( 0x0010, IP_ACTIVE_HIGH, IPT_UNKNOWN ) PORT_CHANGED_MEMBER(DEVICE_SELF, vis_state, update, 0)
PORT_BIT( 0x0020, IP_ACTIVE_HIGH, IPT_UNKNOWN ) PORT_CHANGED_MEMBER(DEVICE_SELF, vis_state, update, 0)
PORT_BIT( 0x0040, IP_ACTIVE_HIGH, IPT_UNKNOWN ) PORT_CHANGED_MEMBER(DEVICE_SELF, vis_state, update, 0)
PORT_BIT( 0x0080, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT ) PORT_CHANGED_MEMBER(DEVICE_SELF, vis_state, update, 0)
PORT_BIT( 0x0100, IP_ACTIVE_HIGH, IPT_JOYSTICK_UP ) PORT_CHANGED_MEMBER(DEVICE_SELF, vis_state, update, 0)
PORT_BIT( 0x0200, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT ) PORT_CHANGED_MEMBER(DEVICE_SELF, vis_state, update, 0)
PORT_BIT( 0x0400, IP_ACTIVE_HIGH, IPT_UNKNOWN ) PORT_CHANGED_MEMBER(DEVICE_SELF, vis_state, update, 0)
PORT_BIT( 0x0800, IP_ACTIVE_HIGH, IPT_UNKNOWN ) PORT_CHANGED_MEMBER(DEVICE_SELF, vis_state, update, 0)
PORT_BIT( 0x1000, IP_ACTIVE_HIGH, IPT_UNKNOWN ) PORT_CHANGED_MEMBER(DEVICE_SELF, vis_state, update, 0)
PORT_BIT( 0x2000, IP_ACTIVE_HIGH, IPT_UNKNOWN ) PORT_CHANGED_MEMBER(DEVICE_SELF, vis_state, update, 0)
PORT_BIT( 0x4000, IP_ACTIVE_HIGH, IPT_UNKNOWN ) PORT_CHANGED_MEMBER(DEVICE_SELF, vis_state, update, 0)
PORT_BIT( 0x8000, IP_ACTIVE_HIGH, IPT_UNKNOWN ) PORT_CHANGED_MEMBER(DEVICE_SELF, vis_state, update, 0)
INPUT_PORTS_END
static MACHINE_CONFIG_START( vis, vis_state )