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Diffstat (limited to 'src/devices/sound/sp0250.h')
-rw-r--r--src/devices/sound/sp0250.h8
1 files changed, 6 insertions, 2 deletions
diff --git a/src/devices/sound/sp0250.h b/src/devices/sound/sp0250.h
index d51ab2286bd..5dfd3742e52 100644
--- a/src/devices/sound/sp0250.h
+++ b/src/devices/sound/sp0250.h
@@ -14,15 +14,16 @@ public:
void set_pwm_mode() { m_pwm_mode = true; }
void write(uint8_t data);
- uint8_t drq_r();
+ int drq_r();
protected:
// device-level overrides
virtual void device_start() override;
- virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) override;
+ virtual void device_reset() override;
// sound stream update overrides
virtual void sound_stream_update(sound_stream &stream, std::vector<read_stream_view> const &inputs, std::vector<write_stream_view> &outputs) override;
+ TIMER_CALLBACK_MEMBER(delayed_stream_update) { m_stream->update(); }
private:
// internal helpers
@@ -46,6 +47,9 @@ private:
int16_t z1, z2;
};
+ // timer for stream updates
+ emu_timer *m_timer;
+
// PWM state
bool m_pwm_mode;
uint8_t m_pwm_index;