310 lines
8.4 KiB
C++
310 lines
8.4 KiB
C++
/****************************************************************************
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* *
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* Project64 - A Nintendo 64 emulator. *
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* http://www.pj64-emu.com/ *
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* Copyright (C) 2016 Project64. All rights reserved. *
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* Copyright (C) 2014 Bobby Smiles *
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* Copyright (C) 2009 Richard Goedeken *
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* Copyright (C) 2002 Hacktarux *
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* *
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* License: *
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* GNU/GPLv2 http://www.gnu.org/licenses/gpl-2.0.html *
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* version 2 of the License, or (at your option) any later version. *
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* *
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****************************************************************************/
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#include "stdafx.h"
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#include <string.h>
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#include "alist.h"
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#include "common.h"
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#include "hle.h"
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#include "mem.h"
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#include "ucodes.h"
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enum { DMEM_BASE = 0x5c0 };
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/* helper functions */
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static uint32_t get_address(CHle * hle, uint32_t so)
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{
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return alist_get_address(hle, so, hle->alist_audio().segments, N_SEGMENTS);
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}
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static void set_address(CHle * hle, uint32_t so)
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{
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alist_set_address(hle, so, hle->alist_audio().segments, N_SEGMENTS);
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}
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static void clear_segments(CHle * hle)
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{
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memset(hle->alist_audio().segments, 0, N_SEGMENTS*sizeof(hle->alist_audio().segments[0]));
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}
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/* audio commands definition */
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static void SPNOOP(CHle * UNUSED(hle), uint32_t UNUSED(w1), uint32_t UNUSED(w2))
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{
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}
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static void CLEARBUFF(CHle * hle, uint32_t w1, uint32_t w2)
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{
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uint16_t dmem = (w1 + DMEM_BASE) & 0xFFFF;
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uint16_t count = w2;
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if (count == 0)
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return;
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alist_clear(hle, dmem, align(count, 16));
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}
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static void ENVMIXER(CHle * hle, uint32_t w1, uint32_t w2)
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{
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uint8_t flags = (w1 >> 16) & 0xFF;
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uint32_t address = get_address(hle, w2);
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alist_envmix_exp(
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hle,
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flags & A_INIT,
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flags & A_AUX,
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hle->alist_audio().out, hle->alist_audio().dry_right,
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hle->alist_audio().wet_left, hle->alist_audio().wet_right,
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hle->alist_audio().in, hle->alist_audio().count,
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hle->alist_audio().dry, hle->alist_audio().wet,
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hle->alist_audio().vol,
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hle->alist_audio().target,
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hle->alist_audio().rate,
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address);
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}
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static void ENVMIXER_GE(CHle * hle, uint32_t w1, uint32_t w2)
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{
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uint8_t flags = (w1 >> 16);
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uint32_t address = get_address(hle, w2);
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alist_envmix_ge(
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hle,
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flags & A_INIT,
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flags & A_AUX,
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hle->alist_audio().out, hle->alist_audio().dry_right,
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hle->alist_audio().wet_left, hle->alist_audio().wet_right,
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hle->alist_audio().in, hle->alist_audio().count,
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hle->alist_audio().dry, hle->alist_audio().wet,
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hle->alist_audio().vol,
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hle->alist_audio().target,
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hle->alist_audio().rate,
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address);
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}
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static void RESAMPLE(CHle * hle, uint32_t w1, uint32_t w2)
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{
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uint8_t flags = (w1 >> 16) & 0xFF;
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uint16_t pitch = w1 & 0xFFFF;
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uint32_t address = get_address(hle, w2);
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alist_resample(
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hle,
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flags & 0x1,
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flags & 0x2,
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hle->alist_audio().out,
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hle->alist_audio().in,
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align(hle->alist_audio().count, 16),
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pitch << 1,
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address);
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}
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static void SETVOL(CHle * hle, uint32_t w1, uint32_t w2)
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{
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uint8_t flags = (w1 >> 16) & 0xFF;
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if (flags & A_AUX)
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{
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hle->alist_audio().dry = w1 & 0xFFFF;
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hle->alist_audio().wet = w2 & 0xFFFF;
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}
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else
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{
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unsigned lr = (flags & A_LEFT) ? 0 : 1;
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if (flags & A_VOL)
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{
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hle->alist_audio().vol[lr] = w1 & 0xFFFF;
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}
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else
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{
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hle->alist_audio().target[lr] = w1 & 0xFFFF;
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hle->alist_audio().rate[lr] = w2;
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}
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}
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}
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static void SETLOOP(CHle * hle, uint32_t UNUSED(w1), uint32_t w2)
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{
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hle->alist_audio().loop = get_address(hle, w2);
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}
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static void ADPCM(CHle * hle, uint32_t w1, uint32_t w2)
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{
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uint8_t flags = (w1 >> 16) & 0xFF;
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uint32_t address = get_address(hle, w2);
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alist_adpcm(
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hle,
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flags & 0x1,
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flags & 0x2,
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false, /* unsupported in this ucode */
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hle->alist_audio().out,
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hle->alist_audio().in,
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align(hle->alist_audio().count, 32),
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hle->alist_audio().table,
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hle->alist_audio().loop,
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address);
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}
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static void LOADBUFF(CHle * hle, uint32_t UNUSED(w1), uint32_t w2)
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{
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uint32_t address = get_address(hle, w2);
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if (hle->alist_audio().count == 0)
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{
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return;
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}
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alist_load(hle, hle->alist_audio().in, address, hle->alist_audio().count);
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}
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static void SAVEBUFF(CHle * hle, uint32_t UNUSED(w1), uint32_t w2)
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{
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uint32_t address = get_address(hle, w2);
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if (hle->alist_audio().count == 0)
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{
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return;
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}
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alist_save(hle, hle->alist_audio().out, address, hle->alist_audio().count);
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}
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static void SETBUFF(CHle * hle, uint32_t w1, uint32_t w2)
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{
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uint8_t flags = (w1 >> 16) & 0xFF;
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if (flags & A_AUX)
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{
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hle->alist_audio().dry_right = (w1 + DMEM_BASE) & 0xFFFF;
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hle->alist_audio().wet_left = (w2 >> 16) + DMEM_BASE;
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hle->alist_audio().wet_right = (w2 + DMEM_BASE) & 0xFFFF;
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}
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else
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{
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hle->alist_audio().in = (w1 + DMEM_BASE) & 0xFFFF;
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hle->alist_audio().out = ((w2 >> 16) + DMEM_BASE) & 0xFFFF;
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hle->alist_audio().count = w2 & 0xFFFF;
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}
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}
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static void DMEMMOVE(CHle * hle, uint32_t w1, uint32_t w2)
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{
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uint16_t dmemi = (w1 + DMEM_BASE) & 0xFFFF;
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uint16_t dmemo = (w2 >> 16) + DMEM_BASE;
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uint16_t count = (w2)& 0xFFFF;
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if (count == 0)
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return;
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alist_move(hle, dmemo, dmemi, align(count, 16));
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}
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static void LOADADPCM(CHle * hle, uint32_t w1, uint32_t w2)
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{
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uint16_t count = (w1 & 0xFFFF);
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uint32_t address = get_address(hle, w2);
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dram_load_u16(hle, (uint16_t*)hle->alist_audio().table, address, align(count, 8) >> 1);
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}
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static void INTERLEAVE(CHle * hle, uint32_t UNUSED(w1), uint32_t w2)
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{
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uint16_t left = (w2 >> 16) + DMEM_BASE;
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uint16_t right = (w2 + DMEM_BASE) & 0xFFFF;
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if (hle->alist_audio().count == 0)
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return;
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alist_interleave(hle, hle->alist_audio().out, left, right, align(hle->alist_audio().count, 16));
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}
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static void MIXER(CHle * hle, uint32_t w1, uint32_t w2)
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{
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int16_t gain = (w1)& 0xFFFF;
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uint16_t dmemi = ((w2 >> 16) + DMEM_BASE) & 0xFFFF;
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uint16_t dmemo = (w2 + DMEM_BASE) & 0xFFFF;
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if (hle->alist_audio().count == 0)
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return;
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alist_mix(hle, dmemo, dmemi, align(hle->alist_audio().count, 32), gain);
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}
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static void SEGMENT(CHle * hle, uint32_t UNUSED(w1), uint32_t w2)
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{
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set_address(hle, w2);
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}
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static void POLEF(CHle * hle, uint32_t w1, uint32_t w2)
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{
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uint8_t flags = (w1 >> 16);
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uint16_t gain = w1;
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uint32_t address = get_address(hle, w2);
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if (hle->alist_audio().count == 0)
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return;
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alist_polef(
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hle,
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flags & A_INIT,
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hle->alist_audio().out,
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hle->alist_audio().in,
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align(hle->alist_audio().count, 16),
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gain,
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hle->alist_audio().table,
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address);
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}
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/* global functions */
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void alist_process_audio(CHle * hle)
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{
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static const acmd_callback_t ABI[0x10] = {
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SPNOOP, ADPCM, CLEARBUFF, ENVMIXER,
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LOADBUFF, RESAMPLE, SAVEBUFF, SEGMENT,
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SETBUFF, SETVOL, DMEMMOVE, LOADADPCM,
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MIXER, INTERLEAVE, POLEF, SETLOOP
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};
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clear_segments(hle);
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alist_process(hle, ABI, 0x10);
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}
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void alist_process_audio_ge(CHle * hle)
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{
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static const acmd_callback_t ABI[0x10] =
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{
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SPNOOP, ADPCM, CLEARBUFF, ENVMIXER_GE,
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LOADBUFF, RESAMPLE, SAVEBUFF, SEGMENT,
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SETBUFF, SETVOL, DMEMMOVE, LOADADPCM,
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MIXER, INTERLEAVE, POLEF, SETLOOP
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};
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clear_segments(hle);
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alist_process(hle, ABI, 0x10);
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}
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void alist_process_audio_bc(CHle * hle)
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{
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static const acmd_callback_t ABI[0x10] =
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{
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SPNOOP, ADPCM, CLEARBUFF, ENVMIXER_GE,
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LOADBUFF, RESAMPLE, SAVEBUFF, SEGMENT,
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SETBUFF, SETVOL, DMEMMOVE, LOADADPCM,
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MIXER, INTERLEAVE, POLEF, SETLOOP
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};
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clear_segments(hle);
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alist_process(hle, ABI, 0x10);
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} |