diff options
Diffstat (limited to 'src/mame/audio/galaga.c')
-rw-r--r-- | src/mame/audio/galaga.c | 350 |
1 files changed, 175 insertions, 175 deletions
diff --git a/src/mame/audio/galaga.c b/src/mame/audio/galaga.c index 0293e2f56f5..8a6a93e99ee 100644 --- a/src/mame/audio/galaga.c +++ b/src/mame/audio/galaga.c @@ -18,32 +18,32 @@ *************************************/ /* nodes - sounds */ -#define BOSCO_CHANL1_SND NODE_11 -#define BOSCO_CHANL2_SND NODE_12 -#define BOSCO_CHANL3_SND NODE_13 -#define BOSCO_CHANL4_SND NODE_14 +#define BOSCO_CHANL1_SND NODE_11 +#define BOSCO_CHANL2_SND NODE_12 +#define BOSCO_CHANL3_SND NODE_13 +#define BOSCO_CHANL4_SND NODE_14 #define BOSCO_54XX_DAC_R (1.0 / (1.0 / RES_K(47) + 1.0 / RES_K(22) + 1.0 / RES_K(10) + 1.0 / RES_K(4.7))) static const discrete_dac_r1_ladder bosco_54xx_dac = { - 4, /* number of DAC bits */ + 4, /* number of DAC bits */ /* 54XX_0 54XX_1 54XX_2 */ - { RES_K(47), /* R28, R32, R46 */ - RES_K(22), /* R27, R31, R45 */ - RES_K(10), /* R26, R30, R44 */ - RES_K(4.7)}, /* R25, R29, R43 */ - 0, 0, 0, 0 /* nothing extra */ + { RES_K(47), /* R28, R32, R46 */ + RES_K(22), /* R27, R31, R45 */ + RES_K(10), /* R26, R30, R44 */ + RES_K(4.7)}, /* R25, R29, R43 */ + 0, 0, 0, 0 /* nothing extra */ }; #define BOSCO_52XX_DAC_R (1.0 / (1.0 / RES_K(100) + 1.0 / RES_K(47) + 1.0 / RES_K(22) + 1.0 / RES_K(10))) static const discrete_dac_r1_ladder bosco_52xx_dac = { - 4, /* number of DAC bits */ - { RES_K(100), /* R14 */ - RES_K(47), /* R13 */ - RES_K(22), /* R12 */ - RES_K(10)}, /* R11 */ - 0, 0, 0, 0 /* nothing extra */ + 4, /* number of DAC bits */ + { RES_K(100), /* R14 */ + RES_K(47), /* R13 */ + RES_K(22), /* R12 */ + RES_K(10)}, /* R11 */ + 0, 0, 0, 0 /* nothing extra */ }; /* R39 R38 R39 */ @@ -51,167 +51,167 @@ static const discrete_dac_r1_ladder bosco_52xx_dac = static const discrete_op_amp_filt_info bosco_chanl1_filt = { - BOSCO_54XX_DAC_R + RES_K(100), /* R24 */ - 0, /* no second input */ - RES_K(22), /* R23 */ - 0, /* not used */ - RES_K(220), /* R22 */ - CAP_U(0.001), /* C31 */ - CAP_U(0.001), /* C30 */ - 0, /* not used */ - BOSCO_VREF, /* vRef */ - 5, /* vP */ - 0 /* vN */ + BOSCO_54XX_DAC_R + RES_K(100), /* R24 */ + 0, /* no second input */ + RES_K(22), /* R23 */ + 0, /* not used */ + RES_K(220), /* R22 */ + CAP_U(0.001), /* C31 */ + CAP_U(0.001), /* C30 */ + 0, /* not used */ + BOSCO_VREF, /* vRef */ + 5, /* vP */ + 0 /* vN */ }; static const discrete_op_amp_filt_info bosco_chanl2_filt = { - BOSCO_54XX_DAC_R + RES_K(47), /* R33 */ - 0, /* no second input */ - RES_K(10), /* R34 */ - 0, /* not used */ - RES_K(150), /* R35 */ - CAP_U(0.01), /* C29 */ - CAP_U(0.01), /* C28 */ - 0, /* not used */ - BOSCO_VREF, /* vRef */ - 5, /* vP */ - 0 /* vN */ + BOSCO_54XX_DAC_R + RES_K(47), /* R33 */ + 0, /* no second input */ + RES_K(10), /* R34 */ + 0, /* not used */ + RES_K(150), /* R35 */ + CAP_U(0.01), /* C29 */ + CAP_U(0.01), /* C28 */ + 0, /* not used */ + BOSCO_VREF, /* vRef */ + 5, /* vP */ + 0 /* vN */ }; static const discrete_op_amp_filt_info bosco_chanl3_filt = { - BOSCO_54XX_DAC_R + RES_K(150), /* R42 */ - 0, /* no second input */ - RES_K(22), /* R41 */ - 0, /* not used */ - RES_K(470), /* R40 */ - CAP_U(0.01), /* C27 */ - CAP_U(0.01), /* C26 */ - 0, /* not used */ - BOSCO_VREF, /* vRef */ - 5, /* vP */ - 0 /* vN */ + BOSCO_54XX_DAC_R + RES_K(150), /* R42 */ + 0, /* no second input */ + RES_K(22), /* R41 */ + 0, /* not used */ + RES_K(470), /* R40 */ + CAP_U(0.01), /* C27 */ + CAP_U(0.01), /* C26 */ + 0, /* not used */ + BOSCO_VREF, /* vRef */ + 5, /* vP */ + 0 /* vN */ }; static const discrete_mixer_desc bosco_filter_mixer = { DISC_MIXER_IS_OP_AMP, - { RES_K(33), /* R21 */ - RES_K(33), /* R36 */ - RES_K(10)}, /* R37 */ - {0}, /* no rNode{} */ - {0}, /* no c{} */ - 0, /* no rI */ - RES_K(3.3), /* R20 */ - 0, /* no cF */ - 0, /* no cAmp */ - BOSCO_VREF, /* vRef */ - 1, /* gain */ + { RES_K(33), /* R21 */ + RES_K(33), /* R36 */ + RES_K(10)}, /* R37 */ + {0}, /* no rNode{} */ + {0}, /* no c{} */ + 0, /* no rI */ + RES_K(3.3), /* R20 */ + 0, /* no cF */ + 0, /* no cAmp */ + BOSCO_VREF, /* vRef */ + 1, /* gain */ }; static const discrete_mixer_desc bosco_final_mixer = { DISC_MIXER_IS_RESISTOR, - { RES_K(10), /* R51 */ - RES_K(10)}, /* R55 */ - {0}, /* no rNode{} */ - {0}, /* no c{} */ - 0, /* no rI */ - RES_K(1), /* VR1 */ - 0, /* no cF */ - CAP_U(0.1), /* C18 */ - 0, /* vRef */ - 462000 /* gain */ + { RES_K(10), /* R51 */ + RES_K(10)}, /* R55 */ + {0}, /* no rNode{} */ + {0}, /* no c{} */ + 0, /* no rI */ + RES_K(1), /* VR1 */ + 0, /* no cF */ + CAP_U(0.1), /* C18 */ + 0, /* vRef */ + 462000 /* gain */ }; DISCRETE_SOUND_START(bosco) /************************************************ - * Input register mapping - ************************************************/ + * Input register mapping + ************************************************/ DISCRETE_INPUT_DATA(NAMCO_54XX_0_DATA(NODE_01)) DISCRETE_INPUT_DATA(NAMCO_54XX_1_DATA(NODE_01)) DISCRETE_INPUT_DATA(NAMCO_54XX_2_DATA(NODE_01)) DISCRETE_INPUT_DATA(NAMCO_52XX_P_DATA(NODE_04)) /************************************************ - * CHANL1 sound - ************************************************/ + * CHANL1 sound + ************************************************/ DISCRETE_DAC_R1(NODE_20, NAMCO_54XX_2_DATA(NODE_01), - 4, /* 4V - unmeasured*/ + 4, /* 4V - unmeasured*/ &bosco_54xx_dac) DISCRETE_OP_AMP_FILTER(BOSCO_CHANL1_SND, - 1, /* ENAB */ - NODE_20, /* INP0 */ - 0, /* INP1 - not used */ + 1, /* ENAB */ + NODE_20, /* INP0 */ + 0, /* INP1 - not used */ DISC_OP_AMP_FILTER_IS_BAND_PASS_1M, &bosco_chanl1_filt) /************************************************ - * CHANL2 sound - ************************************************/ + * CHANL2 sound + ************************************************/ DISCRETE_DAC_R1(NODE_30, NAMCO_54XX_1_DATA(NODE_01), - 4, /* 4V - unmeasured*/ + 4, /* 4V - unmeasured*/ &bosco_54xx_dac) DISCRETE_OP_AMP_FILTER(BOSCO_CHANL2_SND, - 1, /* ENAB */ - NODE_30, /* INP0 */ - 0, /* INP1 - not used */ + 1, /* ENAB */ + NODE_30, /* INP0 */ + 0, /* INP1 - not used */ DISC_OP_AMP_FILTER_IS_BAND_PASS_1M, &bosco_chanl2_filt) /************************************************ - * CHANL3 sound - ************************************************/ + * CHANL3 sound + ************************************************/ DISCRETE_DAC_R1(NODE_40, NAMCO_54XX_0_DATA(NODE_01), - 4, /* 4V - unmeasured*/ + 4, /* 4V - unmeasured*/ &bosco_54xx_dac) DISCRETE_OP_AMP_FILTER(BOSCO_CHANL3_SND, - 1, /* ENAB */ - NODE_40, /* INP0 */ - 0, /* INP1 - not used */ + 1, /* ENAB */ + NODE_40, /* INP0 */ + 0, /* INP1 - not used */ DISC_OP_AMP_FILTER_IS_BAND_PASS_1M, &bosco_chanl3_filt) /************************************************ - * CHANL4 sound - ************************************************/ + * CHANL4 sound + ************************************************/ /* this circuit was simulated in SPICE and an equivalent filter circuit generated */ DISCRETE_DAC_R1(NODE_50, NAMCO_52XX_P_DATA(NODE_04), - 4, /* 4V - unmeasured*/ + 4, /* 4V - unmeasured*/ &bosco_52xx_dac) DISCRETE_FILTER2(NODE_51, - 1, /* ENAB */ - NODE_50, /* INP0 */ - 80, /* FREQ */ - 1.0 / 0.3, /* DAMP */ + 1, /* ENAB */ + NODE_50, /* INP0 */ + 80, /* FREQ */ + 1.0 / 0.3, /* DAMP */ DISC_FILTER_HIGHPASS) DISCRETE_FILTER2(NODE_52, - 1, /* ENAB */ - NODE_51, /* INP0 */ - 2400, /* FREQ */ - 1.0 / 0.9, /* DAMP */ + 1, /* ENAB */ + NODE_51, /* INP0 */ + 2400, /* FREQ */ + 1.0 / 0.9, /* DAMP */ DISC_FILTER_LOWPASS) DISCRETE_GAIN(BOSCO_CHANL4_SND, - NODE_52, /* IN0 */ - 0.25 /* overall filter GAIN */) + NODE_52, /* IN0 */ + 0.25 /* overall filter GAIN */) /************************************************ - * Output - ************************************************/ + * Output + ************************************************/ DISCRETE_MIXER3(NODE_90, - 1, /* ENAB */ - BOSCO_CHANL1_SND, /* IN0 */ - BOSCO_CHANL2_SND, /* IN1 */ - BOSCO_CHANL3_SND, /* IN2 */ - &bosco_filter_mixer /* INFO */) + 1, /* ENAB */ + BOSCO_CHANL1_SND, /* IN0 */ + BOSCO_CHANL2_SND, /* IN1 */ + BOSCO_CHANL3_SND, /* IN2 */ + &bosco_filter_mixer /* INFO */) DISCRETE_MIXER2(NODE_91, - 1, /* ENAB */ - NODE_90, /* IN0 */ - BOSCO_CHANL4_SND, /* IN1 */ - &bosco_final_mixer /* INFO */) + 1, /* ENAB */ + NODE_90, /* IN0 */ + BOSCO_CHANL4_SND, /* IN1 */ + &bosco_final_mixer /* INFO */) DISCRETE_OUTPUT(NODE_91, 1) DISCRETE_SOUND_END @@ -226,20 +226,20 @@ DISCRETE_SOUND_END *************************************/ /* nodes - sounds */ -#define GALAGA_CHANL1_SND NODE_11 -#define GALAGA_CHANL2_SND NODE_12 -#define GALAGA_CHANL3_SND NODE_13 +#define GALAGA_CHANL1_SND NODE_11 +#define GALAGA_CHANL2_SND NODE_12 +#define GALAGA_CHANL3_SND NODE_13 #define GALAGA_54XX_DAC_R (1.0 / (1.0 / RES_K(47) + 1.0 / RES_K(22) + 1.0 / RES_K(10) + 1.0 / RES_K(4.7))) static const discrete_dac_r1_ladder galaga_54xx_dac = { - 4, /* number of DAC bits */ + 4, /* number of DAC bits */ { RES_K(47), - RES_K(22), - RES_K(10), - RES_K(4.7)}, - 0, 0, 0, 0 /* nothing extra */ + RES_K(22), + RES_K(10), + RES_K(4.7)}, + 0, 0, 0, 0 /* nothing extra */ }; #define GALAGA_VREF (5.0 * (RES_K(2.2) / (RES_K(3.3) + RES_K(2.2)))) @@ -247,120 +247,120 @@ static const discrete_dac_r1_ladder galaga_54xx_dac = static const discrete_op_amp_filt_info galaga_chanl1_filt = { GALAGA_54XX_DAC_R + RES_K(100), - 0, /* no second input */ + 0, /* no second input */ RES_K(22), - 0, /* not used */ + 0, /* not used */ RES_K(220), CAP_U(0.001), CAP_U(0.001), - 0, /* not used */ - GALAGA_VREF, /* vRef */ - 5, /* vP */ - 0, /* vN */ + 0, /* not used */ + GALAGA_VREF, /* vRef */ + 5, /* vP */ + 0, /* vN */ }; static const discrete_op_amp_filt_info galaga_chanl2_filt = { GALAGA_54XX_DAC_R + RES_K(47), - 0, /* no second input */ + 0, /* no second input */ RES_K(10), - 0, /* not used */ + 0, /* not used */ RES_K(150), CAP_U(0.01), CAP_U(0.01), - 0, /* not used */ - GALAGA_VREF, /* vRef */ - 5, /* vP */ - 0, /* vN */ + 0, /* not used */ + GALAGA_VREF, /* vRef */ + 5, /* vP */ + 0, /* vN */ }; static const discrete_op_amp_filt_info galaga_chanl3_filt = { GALAGA_54XX_DAC_R + RES_K(150), - 0, /* no second input */ + 0, /* no second input */ RES_K(22), - 0, /* not used */ + 0, /* not used */ RES_K(470), CAP_U(0.01), CAP_U(0.01), - 0, /* not used */ - GALAGA_VREF, /* vRef */ - 5, /* vP */ - 0, /* vN */ + 0, /* not used */ + GALAGA_VREF, /* vRef */ + 5, /* vP */ + 0, /* vN */ }; static const discrete_mixer_desc galaga_final_mixer = { DISC_MIXER_IS_OP_AMP, { RES_K(33), - RES_K(33), - RES_K(10)}, - {0}, /* no rNode{} */ - {0}, /* no c{} */ - 0, /* no rI */ + RES_K(33), + RES_K(10)}, + {0}, /* no rNode{} */ + {0}, /* no c{} */ + 0, /* no rI */ RES_K(3.3), - 0, /* no cF */ + 0, /* no cF */ CAP_U(0.1), - GALAGA_VREF, /* vRef */ - 40800, /* gain */ + GALAGA_VREF, /* vRef */ + 40800, /* gain */ }; DISCRETE_SOUND_START(galaga) /************************************************ - * Input register mapping - ************************************************/ + * Input register mapping + ************************************************/ DISCRETE_INPUT_DATA(NAMCO_54XX_0_DATA(NODE_01)) DISCRETE_INPUT_DATA(NAMCO_54XX_1_DATA(NODE_01)) DISCRETE_INPUT_DATA(NAMCO_54XX_2_DATA(NODE_01)) /************************************************ - * CHANL1 sound - ************************************************/ + * CHANL1 sound + ************************************************/ DISCRETE_DAC_R1(NODE_20, NAMCO_54XX_2_DATA(NODE_01), - 4, /* 4V - unmeasured*/ + 4, /* 4V - unmeasured*/ &galaga_54xx_dac) DISCRETE_OP_AMP_FILTER(GALAGA_CHANL1_SND, - 1, /* ENAB */ - NODE_20, /* INP0 */ - 0, /* INP1 - not used */ + 1, /* ENAB */ + NODE_20, /* INP0 */ + 0, /* INP1 - not used */ DISC_OP_AMP_FILTER_IS_BAND_PASS_1M, &galaga_chanl1_filt) /************************************************ - * CHANL2 sound - ************************************************/ + * CHANL2 sound + ************************************************/ DISCRETE_DAC_R1(NODE_30, NAMCO_54XX_1_DATA(NODE_01), - 4, /* 4V - unmeasured*/ + 4, /* 4V - unmeasured*/ &galaga_54xx_dac) DISCRETE_OP_AMP_FILTER(GALAGA_CHANL2_SND, - 1, /* ENAB */ - NODE_30, /* INP0 */ - 0, /* INP1 - not used */ + 1, /* ENAB */ + NODE_30, /* INP0 */ + 0, /* INP1 - not used */ DISC_OP_AMP_FILTER_IS_BAND_PASS_1M, &galaga_chanl2_filt) /************************************************ - * CHANL3 sound - ************************************************/ + * CHANL3 sound + ************************************************/ DISCRETE_DAC_R1(NODE_40, NAMCO_54XX_0_DATA(NODE_01), - 4, /* 4V - unmeasured*/ + 4, /* 4V - unmeasured*/ &galaga_54xx_dac) DISCRETE_OP_AMP_FILTER(GALAGA_CHANL3_SND, - 1, /* ENAB */ - NODE_40, /* INP0 */ - 0, /* INP1 - not used */ + 1, /* ENAB */ + NODE_40, /* INP0 */ + 0, /* INP1 - not used */ DISC_OP_AMP_FILTER_IS_BAND_PASS_1M, &galaga_chanl3_filt) /************************************************ - * Output - ************************************************/ + * Output + ************************************************/ DISCRETE_MIXER3(NODE_90, - 1, /* ENAB */ - GALAGA_CHANL1_SND, /* IN0 */ - GALAGA_CHANL2_SND, /* IN1 */ - GALAGA_CHANL3_SND, /* IN2 */ - &galaga_final_mixer /* INFO */) + 1, /* ENAB */ + GALAGA_CHANL1_SND, /* IN0 */ + GALAGA_CHANL2_SND, /* IN1 */ + GALAGA_CHANL3_SND, /* IN2 */ + &galaga_final_mixer /* INFO */) DISCRETE_OUTPUT(NODE_90, 1) DISCRETE_SOUND_END |