From 9e8abca873ec8616ddf48b854583657eaa98dd79 Mon Sep 17 00:00:00 2001 From: hap Date: Wed, 3 Jul 2024 15:44:18 +0200 Subject: brikett: less arbitrary speaker timing --- src/mame/hegenerglaser/brikett.cpp | 18 +++++++++--------- 1 file changed, 9 insertions(+), 9 deletions(-) diff --git a/src/mame/hegenerglaser/brikett.cpp b/src/mame/hegenerglaser/brikett.cpp index 74983ee61ed..b36b2780bac 100644 --- a/src/mame/hegenerglaser/brikett.cpp +++ b/src/mame/hegenerglaser/brikett.cpp @@ -60,11 +60,11 @@ Mephisto III program module: - DM74LS373N (latch) - HCF4556BE (chip select?) -ESB II interface (via module slot): +ESB II board interface (via module slot): - PCB label: DH 5000 00 111 01 - CD4001, 3*74373, MDP1603-331G (resistor array) -ESB 6000 interface (via external port): +ESB 6000 board interface (via external port): - PCB label: DH 5000 00 111 12 - TC4081, TC4082, TC4017, 74373, 74374 @@ -92,7 +92,7 @@ BTANB: #include "machine/cdp1852.h" #include "machine/clock.h" #include "machine/sensorboard.h" -#include "sound/dac.h" +#include "sound/spkrdev.h" #include "video/pwm.h" #include "speaker.h" @@ -112,7 +112,7 @@ public: brikett_state(const machine_config &mconfig, device_type type, const char *tag) : driver_device(mconfig, type, tag), m_maincpu(*this, "maincpu"), - m_irq_clock(*this, "nmi_clock"), + m_irq_clock(*this, "irq_clock"), m_extport(*this, "extport"), m_board(*this, "board"), m_display(*this, "display"), @@ -144,7 +144,7 @@ private: optional_device m_board; required_device m_display; optional_device m_led_pwm; - required_device m_dac; + required_device m_dac; optional_ioport_array<4+2> m_inputs; emu_timer *m_speaker_off; @@ -173,7 +173,7 @@ private: void esb6_w(u8 data); int esb6_r(); - TIMER_CALLBACK_MEMBER(speaker_off) { m_dac->write(0); } + TIMER_CALLBACK_MEMBER(speaker_off) { m_dac->level_w(0); } }; @@ -241,8 +241,8 @@ u8 brikett_state::sound_r() // port 1 read enables the speaker if (!machine().side_effects_disabled()) { - m_dac->write(1); - m_speaker_off->adjust(attotime::from_usec(25)); + m_dac->level_w(1); + m_speaker_off->adjust(attotime::from_ticks(8, m_maincpu->clock())); } return 0xff; @@ -503,7 +503,7 @@ void brikett_state::mephistoj(machine_config &config) // sound hardware SPEAKER(config, "speaker").front_center(); - DAC_1BIT(config, m_dac).add_route(ALL_OUTPUTS, "speaker", 0.25); + SPEAKER_SOUND(config, m_dac).add_route(ALL_OUTPUTS, "speaker", 0.5); } void brikett_state::mephisto(machine_config &config) -- cgit v1.2.3