Initial submission of the PCem-Experimental source code.
This commit is contained in:
OBattler
840
src/sound_sb.c
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840
src/sound_sb.c
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@@ -0,0 +1,840 @@
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#include <stdlib.h>
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#include "ibm.h"
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#include "device.h"
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#include "sound_emu8k.h"
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#include "sound_mpu401_uart.h"
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#include "sound_opl.h"
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#include "sound_sb.h"
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#include "sound_sb_dsp.h"
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#include "filters.h"
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typedef struct sb_mixer_t
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{
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int master_l, master_r;
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int voice_l, voice_r;
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int fm_l, fm_r;
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int cd_l, cd_r;
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int bass_l, bass_r;
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int treble_l, treble_r;
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int filter;
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int index;
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uint8_t regs[256];
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} sb_mixer_t;
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typedef struct sb_t
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{
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opl_t opl;
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sb_dsp_t dsp;
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sb_mixer_t mixer;
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mpu401_uart_t mpu;
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emu8k_t emu8k;
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int pos;
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} sb_t;
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static int sb_att[]=
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{
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310,368,437,520,618,735,873,1038,1234,1467,1743,2072,2463,2927,3479,
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4134,4914,5840,6941,8250,9805,11653,13850,16461,19564,23252,27635,32845,
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39036,46395,55140,65535
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};
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static void sb_get_buffer_opl2(int32_t *buffer, int len, void *p)
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{
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sb_t *sb = (sb_t *)p;
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sb_mixer_t *mixer = &sb->mixer;
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int c;
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opl2_update2(&sb->opl);
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sb_dsp_update(&sb->dsp);
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for (c = 0; c < len * 2; c += 2)
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{
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int32_t out_l, out_r;
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out_l = ((sb->opl.buffer[c] * mixer->fm_l) >> 16);
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out_r = ((sb->opl.buffer[c + 1] * mixer->fm_r) >> 16);
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if (sb->mixer.filter)
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{
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out_l += (int)(((sb_iir(0, (float)sb->dsp.buffer[c]) / 1.3) * mixer->voice_l) / 3) >> 16;
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out_r += (int)(((sb_iir(1, (float)sb->dsp.buffer[c + 1]) / 1.3) * mixer->voice_r) / 3) >> 16;
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}
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else
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{
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out_l += ((int32_t)(sb->dsp.buffer[c] * mixer->voice_l) / 3) >> 16;
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out_r += ((int32_t)(sb->dsp.buffer[c + 1] * mixer->voice_r) / 3) >> 16;
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}
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out_l = (out_l * mixer->master_l) >> 16;
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out_r = (out_r * mixer->master_r) >> 16;
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if (mixer->bass_l != 8 || mixer->bass_r != 8 || mixer->treble_l != 8 || mixer->treble_r != 8)
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{
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if (mixer->bass_l>8) out_l = (out_l + (((int16_t) low_iir(0, (float)out_l) * (mixer->bass_l - 8)) >> 1)) * ((15 - mixer->bass_l) + 16) >> 5;
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if (mixer->bass_r>8) out_r = (out_r + (((int16_t) low_iir(1, (float)out_r) * (mixer->bass_r - 8)) >> 1)) * ((15 - mixer->bass_r) + 16) >> 5;
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if (mixer->treble_l>8) out_l = (out_l + (((int16_t) high_iir(0, (float)out_l) * (mixer->treble_l - 8)) >> 1)) * ((15 - mixer->treble_l) + 16) >> 5;
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if (mixer->treble_r>8) out_r = (out_r + (((int16_t) high_iir(1, (float)out_r) * (mixer->treble_r - 8)) >> 1)) * ((15 - mixer->treble_r) + 16) >> 5;
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if (mixer->bass_l<8) out_l = (out_l + (((int16_t) low_cut_iir(0, (float)out_l) * (8 - mixer->bass_l)) >> 1)) * (mixer->bass_l + 16) >> 5;
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if (mixer->bass_r<8) out_r = (out_r + (((int16_t) low_cut_iir(1, (float)out_r) * (8 - mixer->bass_r)) >> 1)) * (mixer->bass_r + 16) >> 5;
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if (mixer->treble_l<8) out_l = (out_l + (((int16_t)high_cut_iir(0, (float)out_l) * (8 - mixer->treble_l)) >> 1)) * (mixer->treble_l + 16) >> 5;
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if (mixer->treble_r<8) out_r = (out_r + (((int16_t)high_cut_iir(1, (float)out_r) * (8 - mixer->treble_r)) >> 1)) * (mixer->treble_r + 16) >> 5;
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}
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buffer[c] += out_l;
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buffer[c + 1] += out_r;
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}
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sb->pos = 0;
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sb->opl.pos = 0;
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sb->dsp.pos = 0;
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}
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static void sb_get_buffer_opl3(int32_t *buffer, int len, void *p)
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{
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sb_t *sb = (sb_t *)p;
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sb_mixer_t *mixer = &sb->mixer;
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int c;
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opl3_update2(&sb->opl);
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sb_dsp_update(&sb->dsp);
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for (c = 0; c < len * 2; c += 2)
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{
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int c_emu8k = (((c/2) * 44100) / 48000)*2;
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int32_t out_l, out_r;
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out_l = ((sb->opl.buffer[c] * mixer->fm_l) >> 16);
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out_r = ((sb->opl.buffer[c + 1] * mixer->fm_r) >> 16);
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if (sb->mixer.filter)
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{
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out_l += (int)(((sb_iir(0, (float)sb->dsp.buffer[c]) / 1.3) * mixer->voice_l) / 3) >> 16;
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out_r += (int)(((sb_iir(1, (float)sb->dsp.buffer[c + 1]) / 1.3) * mixer->voice_r) / 3) >> 16;
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}
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else
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{
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out_l += ((int32_t)(sb->dsp.buffer[c] * mixer->voice_l) / 3) >> 16;
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out_r += ((int32_t)(sb->dsp.buffer[c + 1] * mixer->voice_r) / 3) >> 16;
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}
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out_l = (out_l * mixer->master_l) >> 16;
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out_r = (out_r * mixer->master_r) >> 16;
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if (mixer->bass_l != 8 || mixer->bass_r != 8 || mixer->treble_l != 8 || mixer->treble_r != 8)
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{
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if (mixer->bass_l>8) out_l = (out_l + (((int16_t) low_iir(0, (float)out_l) * (mixer->bass_l - 8)) >> 1)) * ((15 - mixer->bass_l) + 16) >> 5;
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if (mixer->bass_r>8) out_r = (out_r + (((int16_t) low_iir(1, (float)out_r) * (mixer->bass_r - 8)) >> 1)) * ((15 - mixer->bass_r) + 16) >> 5;
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if (mixer->treble_l>8) out_l = (out_l + (((int16_t) high_iir(0, (float)out_l) * (mixer->treble_l - 8)) >> 1)) * ((15 - mixer->treble_l) + 16) >> 5;
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if (mixer->treble_r>8) out_r = (out_r + (((int16_t) high_iir(1, (float)out_r) * (mixer->treble_r - 8)) >> 1)) * ((15 - mixer->treble_r) + 16) >> 5;
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if (mixer->bass_l<8) out_l = (out_l + (((int16_t) low_cut_iir(0, (float)out_l) * (8 - mixer->bass_l)) >> 1)) * (mixer->bass_l + 16) >> 5;
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if (mixer->bass_r<8) out_r = (out_r + (((int16_t) low_cut_iir(1, (float)out_r) * (8 - mixer->bass_r)) >> 1)) * (mixer->bass_r + 16) >> 5;
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if (mixer->treble_l<8) out_l = (out_l + (((int16_t)high_cut_iir(0, (float)out_l) * (8 - mixer->treble_l)) >> 1)) * (mixer->treble_l + 16) >> 5;
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if (mixer->treble_r<8) out_r = (out_r + (((int16_t)high_cut_iir(1, (float)out_r) * (8 - mixer->treble_r)) >> 1)) * (mixer->treble_r + 16) >> 5;
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}
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buffer[c] += out_l;
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buffer[c + 1] += out_r;
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}
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sb->pos = 0;
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sb->opl.pos = 0;
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sb->dsp.pos = 0;
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sb->emu8k.pos = 0;
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}
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static void sb_get_buffer_emu8k(int32_t *buffer, int len, void *p)
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{
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sb_t *sb = (sb_t *)p;
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sb_mixer_t *mixer = &sb->mixer;
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int c;
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opl3_update2(&sb->opl);
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sb_dsp_update(&sb->dsp);
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emu8k_update(&sb->emu8k);
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for (c = 0; c < len * 2; c += 2)
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{
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int c_emu8k = (((c/2) * 44100) / 48000)*2;
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int32_t out_l, out_r;
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out_l = (((int32_t)sb->opl.buffer[c] * (int32_t)mixer->fm_l) >> 16);
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out_r = (((int32_t)sb->opl.buffer[c + 1] * (int32_t)mixer->fm_r) >> 16);
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out_l += ((sb->emu8k.buffer[c_emu8k] * mixer->fm_l) >> 16);
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out_r += ((sb->emu8k.buffer[c_emu8k + 1] * mixer->fm_l) >> 16);
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if (sb->mixer.filter)
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{
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out_l += (int)(((sb_iir(0, (float)sb->dsp.buffer[c]) / 1.3) * mixer->voice_l) / 3) >> 16;
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out_r += (int)(((sb_iir(1, (float)sb->dsp.buffer[c + 1]) / 1.3) * mixer->voice_r) / 3) >> 16;
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}
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else
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{
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out_l += ((int32_t)(sb->dsp.buffer[c] * mixer->voice_l) / 3) >> 16;
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out_r += ((int32_t)(sb->dsp.buffer[c + 1] * mixer->voice_r) / 3) >> 16;
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}
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out_l = (out_l * mixer->master_l) >> 16;
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out_r = (out_r * mixer->master_r) >> 16;
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if (mixer->bass_l != 8 || mixer->bass_r != 8 || mixer->treble_l != 8 || mixer->treble_r != 8)
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{
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if (mixer->bass_l>8) out_l = (out_l + (((int16_t) low_iir(0, (float)out_l) * (mixer->bass_l - 8)) >> 1)) * ((15 - mixer->bass_l) + 16) >> 5;
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if (mixer->bass_r>8) out_r = (out_r + (((int16_t) low_iir(1, (float)out_r) * (mixer->bass_r - 8)) >> 1)) * ((15 - mixer->bass_r) + 16) >> 5;
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if (mixer->treble_l>8) out_l = (out_l + (((int16_t) high_iir(0, (float)out_l) * (mixer->treble_l - 8)) >> 1)) * ((15 - mixer->treble_l) + 16) >> 5;
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if (mixer->treble_r>8) out_r = (out_r + (((int16_t) high_iir(1, (float)out_r) * (mixer->treble_r - 8)) >> 1)) * ((15 - mixer->treble_r) + 16) >> 5;
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if (mixer->bass_l<8) out_l = (out_l + (((int16_t) low_cut_iir(0, (float)out_l) * (8 - mixer->bass_l)) >> 1)) * (mixer->bass_l + 16) >> 5;
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if (mixer->bass_r<8) out_r = (out_r + (((int16_t) low_cut_iir(1, (float)out_r) * (8 - mixer->bass_r)) >> 1)) * (mixer->bass_r + 16) >> 5;
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if (mixer->treble_l<8) out_l = (out_l + (((int16_t)high_cut_iir(0, (float)out_l) * (8 - mixer->treble_l)) >> 1)) * (mixer->treble_l + 16) >> 5;
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if (mixer->treble_r<8) out_r = (out_r + (((int16_t)high_cut_iir(1, (float)out_r) * (8 - mixer->treble_r)) >> 1)) * (mixer->treble_r + 16) >> 5;
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}
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buffer[c] += out_l;
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buffer[c + 1] += out_r;
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}
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sb->pos = 0;
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sb->opl.pos = 0;
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sb->dsp.pos = 0;
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sb->emu8k.pos = 0;
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}
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void sb_pro_mixer_write(uint16_t addr, uint8_t val, void *p)
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{
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sb_t *sb = (sb_t *)p;
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sb_mixer_t *mixer = &sb->mixer;
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if (!(addr & 1))
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mixer->index = val & 0xff;
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else
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{
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mixer->regs[mixer->index] = val;
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mixer->master_l = sb_att[(mixer->regs[0x22] >> 4) | 0x11];
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mixer->master_r = sb_att[(mixer->regs[0x22] & 0xf) | 0x11];
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mixer->voice_l = sb_att[(mixer->regs[0x04] >> 4) | 0x11];
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mixer->voice_r = sb_att[(mixer->regs[0x04] & 0xf) | 0x11];
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mixer->fm_l = sb_att[(mixer->regs[0x26] >> 4) | 0x11];
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mixer->fm_r = sb_att[(mixer->regs[0x26] & 0xf) | 0x11];
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mixer->cd_l = sb_att[(mixer->regs[0x28] >> 4) | 0x11];
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mixer->cd_r = sb_att[(mixer->regs[0x28] & 0xf) | 0x11];
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mixer->filter = !(mixer->regs[0xe] & 0x20);
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mixer->bass_l = mixer->bass_r = 8;
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mixer->treble_l = mixer->treble_r = 8;
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sound_set_cd_volume(((uint32_t)mixer->master_l * (uint32_t)mixer->cd_l) / 65535,
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((uint32_t)mixer->master_r * (uint32_t)mixer->cd_r) / 65535);
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// pclog("%02X %02X %02X\n", mixer->regs[0x04], mixer->regs[0x22], mixer->regs[0x26]);
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// pclog("Mixer - %04X %04X %04X %04X %04X %04X\n", mixer->master_l, mixer->master_r, mixer->voice_l, mixer->voice_r, mixer->fm_l, mixer->fm_r);
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if (mixer->index == 0xe)
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sb_dsp_set_stereo(&sb->dsp, val & 2);
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}
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}
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uint8_t sb_pro_mixer_read(uint16_t addr, void *p)
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{
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sb_t *sb = (sb_t *)p;
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sb_mixer_t *mixer = &sb->mixer;
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if (!(addr & 1))
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return mixer->index;
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return mixer->regs[mixer->index];
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}
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void sb_16_mixer_write(uint16_t addr, uint8_t val, void *p)
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{
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sb_t *sb = (sb_t *)p;
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sb_mixer_t *mixer = &sb->mixer;
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if (!(addr & 1))
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mixer->index = val;
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else
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{
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mixer->regs[mixer->index] = val;
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switch (mixer->index)
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{
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case 0x22:
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mixer->regs[0x30] = ((mixer->regs[0x22] >> 4) | 0x11) << 3;
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mixer->regs[0x31] = ((mixer->regs[0x22] & 0xf) | 0x11) << 3;
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break;
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case 0x04:
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mixer->regs[0x32] = ((mixer->regs[0x04] >> 4) | 0x11) << 3;
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mixer->regs[0x33] = ((mixer->regs[0x04] & 0xf) | 0x11) << 3;
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break;
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case 0x26:
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mixer->regs[0x34] = ((mixer->regs[0x26] >> 4) | 0x11) << 3;
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mixer->regs[0x35] = ((mixer->regs[0x26] & 0xf) | 0x11) << 3;
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break;
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case 0x28:
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mixer->regs[0x36] = ((mixer->regs[0x28] >> 4) | 0x11) << 3;
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mixer->regs[0x37] = ((mixer->regs[0x28] & 0xf) | 0x11) << 3;
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break;
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case 0x80:
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if (val & 1) sb->dsp.sb_irqnum = 2;
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if (val & 2) sb->dsp.sb_irqnum = 5;
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if (val & 4) sb->dsp.sb_irqnum = 7;
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if (val & 8) sb->dsp.sb_irqnum = 10;
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break;
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}
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mixer->master_l = sb_att[mixer->regs[0x30] >> 3];
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mixer->master_r = sb_att[mixer->regs[0x31] >> 3];
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mixer->voice_l = sb_att[mixer->regs[0x32] >> 3];
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mixer->voice_r = sb_att[mixer->regs[0x33] >> 3];
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mixer->fm_l = sb_att[mixer->regs[0x34] >> 3];
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mixer->fm_r = sb_att[mixer->regs[0x35] >> 3];
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mixer->cd_l = sb_att[mixer->regs[0x36] >> 3];
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mixer->cd_r = sb_att[mixer->regs[0x37] >> 3];
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mixer->bass_l = mixer->regs[0x46] >> 4;
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mixer->bass_r = mixer->regs[0x47] >> 4;
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mixer->treble_l = mixer->regs[0x44] >> 4;
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mixer->treble_r = mixer->regs[0x45] >> 4;
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mixer->filter = 0;
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sound_set_cd_volume(((uint32_t)mixer->master_l * (uint32_t)mixer->cd_l) / 65535,
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((uint32_t)mixer->master_r * (uint32_t)mixer->cd_r) / 65535);
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// pclog("%02X %02X %02X %02X %02X %02X\n", mixer->regs[0x30], mixer->regs[0x31], mixer->regs[0x32], mixer->regs[0x33], mixer->regs[0x34], mixer->regs[0x35]);
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// pclog("Mixer - %04X %04X %04X %04X %04X %04X\n", mixer->master_l, mixer->master_r, mixer->voice_l, mixer->voice_r, mixer->fm_l, mixer->fm_r);
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}
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}
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uint8_t sb_16_mixer_read(uint16_t addr, void *p)
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{
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sb_t *sb = (sb_t *)p;
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sb_mixer_t *mixer = &sb->mixer;
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if (!(addr & 1))
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return mixer->index;
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switch (mixer->index)
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{
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case 0x80:
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switch (sb->dsp.sb_irqnum)
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{
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case 2: return 1; /*IRQ 7*/
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case 5: return 2; /*IRQ 7*/
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case 7: return 4; /*IRQ 7*/
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case 10: return 8; /*IRQ 7*/
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}
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break;
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case 0x81:
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return 0x22; /*DMA 1 and 5*/
|
||||
case 0x82:
|
||||
return ((sb->dsp.sb_irq8) ? 1 : 0) | ((sb->dsp.sb_irq16) ? 2 : 0);
|
||||
}
|
||||
return mixer->regs[mixer->index];
|
||||
}
|
||||
|
||||
void sb_mixer_init(sb_mixer_t *mixer)
|
||||
{
|
||||
mixer->master_l = mixer->master_r = 65535;
|
||||
mixer->voice_l = mixer->voice_r = 65535;
|
||||
mixer->fm_l = mixer->fm_r = 65535;
|
||||
mixer->bass_l = mixer->bass_r = 8;
|
||||
mixer->treble_l = mixer->treble_r = 8;
|
||||
mixer->filter = 1;
|
||||
}
|
||||
|
||||
void *sb_1_init()
|
||||
{
|
||||
sb_t *sb = malloc(sizeof(sb_t));
|
||||
uint16_t addr = device_get_config_int("addr");
|
||||
memset(sb, 0, sizeof(sb_t));
|
||||
|
||||
opl2_init(&sb->opl);
|
||||
sb_dsp_init(&sb->dsp, SB1);
|
||||
sb_dsp_setaddr(&sb->dsp, addr);
|
||||
sb_dsp_setirq(&sb->dsp, device_get_config_int("irq"));
|
||||
sb_dsp_setdma8(&sb->dsp, device_get_config_int("dma"));
|
||||
sb_mixer_init(&sb->mixer);
|
||||
io_sethandler(addr+8, 0x0002, opl2_read, NULL, NULL, opl2_write, NULL, NULL, &sb->opl);
|
||||
io_sethandler(0x0388, 0x0002, opl2_read, NULL, NULL, opl2_write, NULL, NULL, &sb->opl);
|
||||
sound_add_handler(sb_get_buffer_opl2, sb);
|
||||
return sb;
|
||||
}
|
||||
void *sb_15_init()
|
||||
{
|
||||
sb_t *sb = malloc(sizeof(sb_t));
|
||||
uint16_t addr = device_get_config_int("addr");
|
||||
memset(sb, 0, sizeof(sb_t));
|
||||
|
||||
opl2_init(&sb->opl);
|
||||
sb_dsp_init(&sb->dsp, SB15);
|
||||
sb_dsp_setaddr(&sb->dsp, addr);
|
||||
sb_dsp_setirq(&sb->dsp, device_get_config_int("irq"));
|
||||
sb_dsp_setdma8(&sb->dsp, device_get_config_int("dma"));
|
||||
sb_mixer_init(&sb->mixer);
|
||||
io_sethandler(addr+8, 0x0002, opl2_read, NULL, NULL, opl2_write, NULL, NULL, &sb->opl);
|
||||
io_sethandler(0x0388, 0x0002, opl2_read, NULL, NULL, opl2_write, NULL, NULL, &sb->opl);
|
||||
sound_add_handler(sb_get_buffer_opl2, sb);
|
||||
return sb;
|
||||
}
|
||||
void *sb_2_init()
|
||||
{
|
||||
sb_t *sb = malloc(sizeof(sb_t));
|
||||
uint16_t addr = device_get_config_int("addr");
|
||||
memset(sb, 0, sizeof(sb_t));
|
||||
|
||||
opl2_init(&sb->opl);
|
||||
sb_dsp_init(&sb->dsp, SB2);
|
||||
sb_dsp_setaddr(&sb->dsp, addr);
|
||||
sb_dsp_setirq(&sb->dsp, device_get_config_int("irq"));
|
||||
sb_dsp_setdma8(&sb->dsp, device_get_config_int("dma"));
|
||||
sb_mixer_init(&sb->mixer);
|
||||
io_sethandler(addr+8, 0x0002, opl2_read, NULL, NULL, opl2_write, NULL, NULL, &sb->opl);
|
||||
io_sethandler(0x0388, 0x0002, opl2_read, NULL, NULL, opl2_write, NULL, NULL, &sb->opl);
|
||||
sound_add_handler(sb_get_buffer_opl2, sb);
|
||||
return sb;
|
||||
}
|
||||
|
||||
void *sb_pro_v1_init()
|
||||
{
|
||||
sb_t *sb = malloc(sizeof(sb_t));
|
||||
uint16_t addr = device_get_config_int("addr");
|
||||
memset(sb, 0, sizeof(sb_t));
|
||||
|
||||
opl2_init(&sb->opl);
|
||||
sb_dsp_init(&sb->dsp, SBPRO);
|
||||
sb_dsp_setaddr(&sb->dsp, addr);
|
||||
sb_dsp_setirq(&sb->dsp, device_get_config_int("irq"));
|
||||
sb_dsp_setdma8(&sb->dsp, device_get_config_int("dma"));
|
||||
sb_mixer_init(&sb->mixer);
|
||||
io_sethandler(addr+0, 0x0002, opl2_l_read, NULL, NULL, opl2_l_write, NULL, NULL, &sb->opl);
|
||||
io_sethandler(addr+2, 0x0002, opl2_r_read, NULL, NULL, opl2_r_write, NULL, NULL, &sb->opl);
|
||||
io_sethandler(addr+8, 0x0002, opl2_read, NULL, NULL, opl2_write, NULL, NULL, &sb->opl);
|
||||
io_sethandler(0x0388, 0x0002, opl2_read, NULL, NULL, opl2_write, NULL, NULL, &sb->opl);
|
||||
io_sethandler(addr+4, 0x0002, sb_pro_mixer_read, NULL, NULL, sb_pro_mixer_write, NULL, NULL, sb);
|
||||
sound_add_handler(sb_get_buffer_opl2, sb);
|
||||
|
||||
sb->mixer.regs[0x22] = 0xff;
|
||||
sb->mixer.regs[0x04] = 0xff;
|
||||
sb->mixer.regs[0x26] = 0xff;
|
||||
sb->mixer.regs[0xe] = 0;
|
||||
|
||||
return sb;
|
||||
}
|
||||
|
||||
void *sb_pro_v2_init()
|
||||
{
|
||||
sb_t *sb = malloc(sizeof(sb_t));
|
||||
uint16_t addr = device_get_config_int("addr");
|
||||
memset(sb, 0, sizeof(sb_t));
|
||||
|
||||
opl3_init(&sb->opl);
|
||||
sb_dsp_init(&sb->dsp, SBPRO2);
|
||||
sb_dsp_setaddr(&sb->dsp, addr);
|
||||
sb_dsp_setirq(&sb->dsp, device_get_config_int("irq"));
|
||||
sb_dsp_setdma8(&sb->dsp, device_get_config_int("dma"));
|
||||
sb_mixer_init(&sb->mixer);
|
||||
io_sethandler(addr+0, 0x0004, opl3_read, NULL, NULL, opl3_write, NULL, NULL, &sb->opl);
|
||||
io_sethandler(addr+8, 0x0002, opl3_read, NULL, NULL, opl3_write, NULL, NULL, &sb->opl);
|
||||
io_sethandler(0x0388, 0x0002, opl3_read, NULL, NULL, opl3_write, NULL, NULL, &sb->opl);
|
||||
io_sethandler(addr+4, 0x0002, sb_pro_mixer_read, NULL, NULL, sb_pro_mixer_write, NULL, NULL, sb);
|
||||
sound_add_handler(sb_get_buffer_opl3, sb);
|
||||
|
||||
sb->mixer.regs[0x22] = 0xff;
|
||||
sb->mixer.regs[0x04] = 0xff;
|
||||
sb->mixer.regs[0x26] = 0xff;
|
||||
sb->mixer.regs[0xe] = 0;
|
||||
|
||||
return sb;
|
||||
}
|
||||
|
||||
void *sb_16_init()
|
||||
{
|
||||
sb_t *sb = malloc(sizeof(sb_t));
|
||||
memset(sb, 0, sizeof(sb_t));
|
||||
|
||||
opl3_init(&sb->opl);
|
||||
sb_dsp_init(&sb->dsp, SB16);
|
||||
sb_dsp_setaddr(&sb->dsp, 0x0220);
|
||||
sb_mixer_init(&sb->mixer);
|
||||
io_sethandler(0x0220, 0x0004, opl3_read, NULL, NULL, opl3_write, NULL, NULL, &sb->opl);
|
||||
io_sethandler(0x0228, 0x0002, opl3_read, NULL, NULL, opl3_write, NULL, NULL, &sb->opl);
|
||||
io_sethandler(0x0388, 0x0002, opl3_read, NULL, NULL, opl3_write, NULL, NULL, &sb->opl);
|
||||
io_sethandler(0x0224, 0x0002, sb_16_mixer_read, NULL, NULL, sb_16_mixer_write, NULL, NULL, sb);
|
||||
sound_add_handler(sb_get_buffer_opl3, sb);
|
||||
mpu401_uart_init(&sb->mpu, 0x330);
|
||||
|
||||
sb->mixer.regs[0x30] = 31 << 3;
|
||||
sb->mixer.regs[0x31] = 31 << 3;
|
||||
sb->mixer.regs[0x32] = 31 << 3;
|
||||
sb->mixer.regs[0x33] = 31 << 3;
|
||||
sb->mixer.regs[0x34] = 31 << 3;
|
||||
sb->mixer.regs[0x35] = 31 << 3;
|
||||
sb->mixer.regs[0x44] = 8 << 4;
|
||||
sb->mixer.regs[0x45] = 8 << 4;
|
||||
sb->mixer.regs[0x46] = 8 << 4;
|
||||
sb->mixer.regs[0x47] = 8 << 4;
|
||||
sb->mixer.regs[0x22] = (sb->mixer.regs[0x30] & 0xf0) | (sb->mixer.regs[0x31] >> 4);
|
||||
sb->mixer.regs[0x04] = (sb->mixer.regs[0x32] & 0xf0) | (sb->mixer.regs[0x33] >> 4);
|
||||
sb->mixer.regs[0x26] = (sb->mixer.regs[0x34] & 0xf0) | (sb->mixer.regs[0x35] >> 4);
|
||||
|
||||
return sb;
|
||||
}
|
||||
|
||||
int sb_awe32_available()
|
||||
{
|
||||
return rom_present("roms/awe32.raw");
|
||||
}
|
||||
|
||||
void *sb_awe32_init()
|
||||
{
|
||||
sb_t *sb = malloc(sizeof(sb_t));
|
||||
int onboard_ram = device_get_config_int("onboard_ram");
|
||||
memset(sb, 0, sizeof(sb_t));
|
||||
|
||||
opl3_init(&sb->opl);
|
||||
sb_dsp_init(&sb->dsp, SB16 + 1);
|
||||
sb_dsp_setaddr(&sb->dsp, 0x0220);
|
||||
sb_mixer_init(&sb->mixer);
|
||||
io_sethandler(0x0220, 0x0004, opl3_read, NULL, NULL, opl3_write, NULL, NULL, &sb->opl);
|
||||
io_sethandler(0x0228, 0x0002, opl3_read, NULL, NULL, opl3_write, NULL, NULL, &sb->opl);
|
||||
io_sethandler(0x0388, 0x0002, opl3_read, NULL, NULL, opl3_write, NULL, NULL, &sb->opl);
|
||||
io_sethandler(0x0224, 0x0002, sb_16_mixer_read, NULL, NULL, sb_16_mixer_write, NULL, NULL, sb);
|
||||
sound_add_handler(sb_get_buffer_emu8k, sb);
|
||||
mpu401_uart_init(&sb->mpu, 0x330);
|
||||
emu8k_init(&sb->emu8k, onboard_ram);
|
||||
|
||||
sb->mixer.regs[0x30] = 31 << 3;
|
||||
sb->mixer.regs[0x31] = 31 << 3;
|
||||
sb->mixer.regs[0x32] = 31 << 3;
|
||||
sb->mixer.regs[0x33] = 31 << 3;
|
||||
sb->mixer.regs[0x34] = 31 << 3;
|
||||
sb->mixer.regs[0x35] = 31 << 3;
|
||||
sb->mixer.regs[0x44] = 8 << 4;
|
||||
sb->mixer.regs[0x45] = 8 << 4;
|
||||
sb->mixer.regs[0x46] = 8 << 4;
|
||||
sb->mixer.regs[0x47] = 8 << 4;
|
||||
sb->mixer.regs[0x22] = (sb->mixer.regs[0x30] & 0xf0) | (sb->mixer.regs[0x31] >> 4);
|
||||
sb->mixer.regs[0x04] = (sb->mixer.regs[0x32] & 0xf0) | (sb->mixer.regs[0x33] >> 4);
|
||||
sb->mixer.regs[0x26] = (sb->mixer.regs[0x34] & 0xf0) | (sb->mixer.regs[0x35] >> 4);
|
||||
|
||||
return sb;
|
||||
}
|
||||
|
||||
void sb_close(void *p)
|
||||
{
|
||||
sb_t *sb = (sb_t *)p;
|
||||
|
||||
free(sb);
|
||||
}
|
||||
|
||||
void sb_awe32_close(void *p)
|
||||
{
|
||||
sb_t *sb = (sb_t *)p;
|
||||
|
||||
emu8k_close(&sb->emu8k);
|
||||
|
||||
free(sb);
|
||||
}
|
||||
|
||||
void sb_speed_changed(void *p)
|
||||
{
|
||||
sb_t *sb = (sb_t *)p;
|
||||
|
||||
sb_dsp_speed_changed(&sb->dsp);
|
||||
}
|
||||
|
||||
void sb_add_status_info(char *s, int max_len, void *p)
|
||||
{
|
||||
sb_t *sb = (sb_t *)p;
|
||||
|
||||
sb_dsp_add_status_info(s, max_len, &sb->dsp);
|
||||
}
|
||||
|
||||
static device_config_t sb_config[] =
|
||||
{
|
||||
{
|
||||
.name = "addr",
|
||||
.description = "Address",
|
||||
.type = CONFIG_BINARY,
|
||||
.type = CONFIG_SELECTION,
|
||||
.selection =
|
||||
{
|
||||
{
|
||||
.description = "0x220",
|
||||
.value = 0x220
|
||||
},
|
||||
{
|
||||
.description = "0x240",
|
||||
.value = 0x240
|
||||
},
|
||||
{
|
||||
.description = ""
|
||||
}
|
||||
},
|
||||
.default_int = 0x220
|
||||
},
|
||||
{
|
||||
.name = "irq",
|
||||
.description = "IRQ",
|
||||
.type = CONFIG_SELECTION,
|
||||
.selection =
|
||||
{
|
||||
{
|
||||
.description = "IRQ 2",
|
||||
.value = 2
|
||||
},
|
||||
{
|
||||
.description = "IRQ 3",
|
||||
.value = 3
|
||||
},
|
||||
{
|
||||
.description = "IRQ 5",
|
||||
.value = 5
|
||||
},
|
||||
{
|
||||
.description = "IRQ 7",
|
||||
.value = 7
|
||||
},
|
||||
{
|
||||
.description = ""
|
||||
}
|
||||
},
|
||||
.default_int = 7
|
||||
},
|
||||
{
|
||||
.name = "dma",
|
||||
.description = "DMA",
|
||||
.type = CONFIG_SELECTION,
|
||||
.selection =
|
||||
{
|
||||
{
|
||||
.description = "DMA 1",
|
||||
.value = 1
|
||||
},
|
||||
{
|
||||
.description = "DMA 3",
|
||||
.value = 3
|
||||
},
|
||||
{
|
||||
.description = ""
|
||||
}
|
||||
},
|
||||
.default_int = 1
|
||||
},
|
||||
{
|
||||
.type = -1
|
||||
}
|
||||
};
|
||||
|
||||
static device_config_t sb_pro_config[] =
|
||||
{
|
||||
{
|
||||
.name = "addr",
|
||||
.description = "Address",
|
||||
.type = CONFIG_BINARY,
|
||||
.type = CONFIG_SELECTION,
|
||||
.selection =
|
||||
{
|
||||
{
|
||||
.description = "0x220",
|
||||
.value = 0x220
|
||||
},
|
||||
{
|
||||
.description = "0x240",
|
||||
.value = 0x240
|
||||
},
|
||||
{
|
||||
.description = ""
|
||||
}
|
||||
},
|
||||
.default_int = 0x220
|
||||
},
|
||||
{
|
||||
.name = "irq",
|
||||
.description = "IRQ",
|
||||
.type = CONFIG_SELECTION,
|
||||
.selection =
|
||||
{
|
||||
{
|
||||
.description = "IRQ 2",
|
||||
.value = 2
|
||||
},
|
||||
{
|
||||
.description = "IRQ 5",
|
||||
.value = 5
|
||||
},
|
||||
{
|
||||
.description = "IRQ 7",
|
||||
.value = 7
|
||||
},
|
||||
{
|
||||
.description = "IRQ 10",
|
||||
.value = 10
|
||||
},
|
||||
{
|
||||
.description = ""
|
||||
}
|
||||
},
|
||||
.default_int = 7
|
||||
},
|
||||
{
|
||||
.name = "dma",
|
||||
.description = "DMA",
|
||||
.type = CONFIG_SELECTION,
|
||||
.selection =
|
||||
{
|
||||
{
|
||||
.description = "DMA 1",
|
||||
.value = 1
|
||||
},
|
||||
{
|
||||
.description = "DMA 3",
|
||||
.value = 3
|
||||
},
|
||||
{
|
||||
.description = ""
|
||||
}
|
||||
},
|
||||
.default_int = 1
|
||||
},
|
||||
{
|
||||
.type = -1
|
||||
}
|
||||
};
|
||||
|
||||
static device_config_t sb_16_config[] =
|
||||
{
|
||||
{
|
||||
.name = "midi",
|
||||
.description = "MIDI out device",
|
||||
.type = CONFIG_MIDI,
|
||||
.default_int = 0
|
||||
},
|
||||
{
|
||||
.type = -1
|
||||
}
|
||||
};
|
||||
|
||||
static device_config_t sb_awe32_config[] =
|
||||
{
|
||||
{
|
||||
.name = "midi",
|
||||
.description = "MIDI out device",
|
||||
.type = CONFIG_MIDI,
|
||||
.default_int = 0
|
||||
},
|
||||
{
|
||||
.name = "onboard_ram",
|
||||
.description = "Onboard RAM",
|
||||
.type = CONFIG_SELECTION,
|
||||
.selection =
|
||||
{
|
||||
{
|
||||
.description = "None",
|
||||
.value = 0
|
||||
},
|
||||
{
|
||||
.description = "512 KB",
|
||||
.value = 512
|
||||
},
|
||||
{
|
||||
.description = "2 MB",
|
||||
.value = 2048
|
||||
},
|
||||
{
|
||||
.description = "8 MB",
|
||||
.value = 8192
|
||||
},
|
||||
{
|
||||
.description = "28 MB",
|
||||
.value = 28*1024
|
||||
},
|
||||
{
|
||||
.description = ""
|
||||
}
|
||||
},
|
||||
.default_int = 512
|
||||
},
|
||||
{
|
||||
.type = -1
|
||||
}
|
||||
};
|
||||
|
||||
device_t sb_1_device =
|
||||
{
|
||||
"Sound Blaster v1.0",
|
||||
0,
|
||||
sb_1_init,
|
||||
sb_close,
|
||||
NULL,
|
||||
sb_speed_changed,
|
||||
NULL,
|
||||
sb_add_status_info,
|
||||
sb_config
|
||||
};
|
||||
device_t sb_15_device =
|
||||
{
|
||||
"Sound Blaster v1.5",
|
||||
0,
|
||||
sb_15_init,
|
||||
sb_close,
|
||||
NULL,
|
||||
sb_speed_changed,
|
||||
NULL,
|
||||
sb_add_status_info,
|
||||
sb_config
|
||||
};
|
||||
device_t sb_2_device =
|
||||
{
|
||||
"Sound Blaster v2.0",
|
||||
0,
|
||||
sb_2_init,
|
||||
sb_close,
|
||||
NULL,
|
||||
sb_speed_changed,
|
||||
NULL,
|
||||
sb_add_status_info,
|
||||
sb_config
|
||||
};
|
||||
device_t sb_pro_v1_device =
|
||||
{
|
||||
"Sound Blaster Pro v1",
|
||||
0,
|
||||
sb_pro_v1_init,
|
||||
sb_close,
|
||||
NULL,
|
||||
sb_speed_changed,
|
||||
NULL,
|
||||
sb_add_status_info,
|
||||
sb_pro_config
|
||||
};
|
||||
device_t sb_pro_v2_device =
|
||||
{
|
||||
"Sound Blaster Pro v2",
|
||||
0,
|
||||
sb_pro_v2_init,
|
||||
sb_close,
|
||||
NULL,
|
||||
sb_speed_changed,
|
||||
NULL,
|
||||
sb_add_status_info,
|
||||
sb_pro_config
|
||||
};
|
||||
device_t sb_16_device =
|
||||
{
|
||||
"Sound Blaster 16",
|
||||
0,
|
||||
sb_16_init,
|
||||
sb_close,
|
||||
NULL,
|
||||
sb_speed_changed,
|
||||
NULL,
|
||||
sb_add_status_info,
|
||||
sb_16_config
|
||||
};
|
||||
device_t sb_awe32_device =
|
||||
{
|
||||
"Sound Blaster AWE32",
|
||||
0,
|
||||
sb_awe32_init,
|
||||
sb_close,
|
||||
sb_awe32_available,
|
||||
sb_speed_changed,
|
||||
NULL,
|
||||
sb_add_status_info,
|
||||
sb_awe32_config
|
||||
};
|
||||
Reference in New Issue
Block a user