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ddr/kc: Fixed KC 85/2 DAC output (removed erroneous shift). (#10993)

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utz82 2023-03-15 18:46:34 +01:00 committed by GitHub
parent f9de654f59
commit 1bf4528d15
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2 changed files with 3 additions and 17 deletions
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9
src/mame/ddr/kc.h
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@ -185,9 +185,6 @@ protected:
// CTC callback // CTC callback
DECLARE_WRITE_LINE_MEMBER( ctc_zc0_callback ); DECLARE_WRITE_LINE_MEMBER( ctc_zc0_callback );
// PIO callback
void pio_portb_w(uint8_t data) override;
// sound // sound
virtual void speaker_update(); virtual void speaker_update();
}; };
@ -225,11 +222,11 @@ protected:
void video_control_w(int data); void video_control_w(int data);
// PIO callback // PIO callback
void pio_portb_w(uint8_t data) override; virtual void pio_portb_w(uint8_t data) override;
// sound // sound
void dac_update() override; virtual void dac_update() override;
void speaker_update() override; virtual void speaker_update() override;
void kc85_4_mem(address_map &map) ATTR_COLD; void kc85_4_mem(address_map &map) ATTR_COLD;
void kc85_4_io(address_map &map) ATTR_COLD; void kc85_4_io(address_map &map) ATTR_COLD;

11
src/mame/ddr/kc_m.cpp
View File

@ -594,17 +594,6 @@ void kc_state::pio_portb_w(uint8_t data)
update_0x08000(); update_0x08000();
// KC 85/2..3: 5-bit DAC
m_dac_level = (~data & 0x1f)>>1;
dac_update();
}
void kc85_3_state::pio_portb_w(uint8_t data)
{
m_pio_data[1] = data;
update_0x08000();
// KC 85/2..3: 5-bit DAC // KC 85/2..3: 5-bit DAC
m_dac_level = (~data & 0x1f); m_dac_level = (~data & 0x1f);
dac_update(); dac_update();