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tms57002: Add dready callback for superctr (nw)

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This commit is contained in:
AJR 2018-08-13 14:20:31 -04:00
parent 41232a9105
commit d70a5a2522
3 changed files with 21 additions and 0 deletions
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13
src/devices/cpu/tms57002/tms57002.cpp
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@ -26,6 +26,7 @@ tms57002_device::tms57002_device(const machine_config &mconfig, const char *tag,
: cpu_device(mconfig, TMS57002, tag, owner, clock)
, device_sound_interface(mconfig, *this)
, macc(0), st0(0), st1(0), sti(0), txrd(0)
, m_dready_callback(*this)
, program_config("program", ENDIANNESS_LITTLE, 32, 8, -2, address_map_constructor(FUNC(tms57002_device::internal_pgm), this))
, data_config("data", ENDIANNESS_LITTLE, 8, 20)
{
@ -80,6 +81,7 @@ void tms57002_device::device_reset()
ST0_PBCO | ST0_CNS);
st1 &= ~(ST1_AOV | ST1_SFAI | ST1_SFAO | ST1_MOVM | ST1_MOV |
ST1_SFMA | ST1_SFMO | ST1_RND | ST1_CRM | ST1_DBP);
update_dready();
xba = 0;
xoa = 0;
@ -152,6 +154,7 @@ READ8_MEMBER(tms57002_device::data_r)
if(hidx == 4) {
hidx = 0;
sti &= ~S_HOST;
update_dready();
}
return res;
@ -167,6 +170,11 @@ READ_LINE_MEMBER(tms57002_device::dready_r)
return sti & S_HOST ? 0 : 1;
}
void tms57002_device::update_dready()
{
m_dready_callback(sti & S_HOST ? 0 : 1);
}
READ_LINE_MEMBER(tms57002_device::pc0_r)
{
return pc == 0 ? 0 : 1;
@ -814,6 +822,11 @@ void tms57002_device::sound_stream_update(sound_stream &stream, stream_sample_t
sync_w(1);
}
void tms57002_device::device_resolve_objects()
{
m_dready_callback.resolve_safe();
}
void tms57002_device::device_start()
{
sti = S_IDLE;

7
src/devices/cpu/tms57002/tms57002.h
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@ -16,6 +16,8 @@ class tms57002_device : public cpu_device, public device_sound_interface {
public:
tms57002_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
auto dready_callback() { return m_dready_callback.bind(); }
DECLARE_READ8_MEMBER(data_r);
DECLARE_WRITE8_MEMBER(data_w);
@ -28,6 +30,7 @@ public:
void internal_pgm(address_map &map);
protected:
virtual void device_resolve_objects() override;
virtual void device_start() override;
virtual void device_reset() override;
virtual void sound_stream_update(sound_stream &stream, stream_sample_t **inputs, stream_sample_t **outputs, int samples) override;
@ -136,6 +139,8 @@ private:
cd cache;
devcb_write_line m_dready_callback;
const address_space_config program_config, data_config;
address_space *program, *data;
@ -158,6 +163,8 @@ private:
inline int movm(uint32_t st1);
inline int sfma(uint32_t st1);
void update_dready();
void xm_init();
void xm_step_read();
void xm_step_write();

1
src/devices/cpu/tms57002/tmsinstr.lst
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@ -240,6 +240,7 @@ lpc 2b 31 1 n
host[3] = c;
hidx = 0;
sti |= S_HOST;
update_dready();
lpd 2b 30 1 n
lpd %d