mirror of
https://github.com/zydeco/minivmac4ios.git
synced 2024-11-29 05:49:21 +00:00
869 lines
19 KiB
C
869 lines
19 KiB
C
/*
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ASCEMDEV.c
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Copyright (C) 2008 Paul C. Pratt
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You can redistribute this file and/or modify it under the terms
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of version 2 of the GNU General Public License as published by
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the Free Software Foundation. You should have received a copy
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of the license along with this file; see the file COPYING.
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This file is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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license for more details.
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*/
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/*
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Apple Sound Chip EMulated DEVice
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*/
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#ifndef AllFiles
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#include "SYSDEPNS.h"
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#include "ENDIANAC.h"
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#include "MYOSGLUE.h"
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#include "EMCONFIG.h"
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#include "GLOBGLUE.h"
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#include "VIAEMDEV.h"
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#endif
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#include "ASCEMDEV.h"
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/*
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ReportAbnormalID unused 0x0F0E, 0x0F1E - 0x0FFF
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*/
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LOCALVAR ui3r SoundReg801 = 0;
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LOCALVAR ui3r SoundReg802 = 0;
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LOCALVAR ui3r SoundReg803 = 0;
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LOCALVAR ui3r SoundReg804 = 0;
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LOCALVAR ui3r SoundReg805 = 0;
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LOCALVAR ui3r SoundReg_Volume = 0; /* 0x806 */
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/* LOCALVAR ui3r SoundReg807 = 0; */
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LOCALVAR ui3b ASC_SampBuff[0x800];
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struct ASC_ChanR {
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ui3b freq[4];
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ui3b phase[4];
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};
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typedef struct ASC_ChanR ASC_ChanR;
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LOCALVAR ASC_ChanR ASC_ChanA[4];
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LOCALVAR ui4b ASC_FIFO_Out = 0;
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LOCALVAR ui4b ASC_FIFO_InA = 0;
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LOCALVAR ui4b ASC_FIFO_InB = 0;
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LOCALVAR blnr ASC_Playing = falseblnr;
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#define ASC_dolog (dbglog_HAVE && 0)
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#ifdef ASC_interrupt_PulseNtfy
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IMPORTPROC ASC_interrupt_PulseNtfy(void);
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#endif
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LOCALPROC ASC_RecalcStatus(void)
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{
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if ((1 == SoundReg801) && ASC_Playing) {
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if (((ui4b)(ASC_FIFO_InA - ASC_FIFO_Out)) >= 0x200) {
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SoundReg804 &= ~ 0x01;
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} else {
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SoundReg804 |= 0x01;
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}
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if (((ui4b)(ASC_FIFO_InA - ASC_FIFO_Out)) >= 0x400) {
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SoundReg804 |= 0x02;
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} else {
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SoundReg804 &= ~ 0x02;
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}
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if (0 != (SoundReg802 & 2)) {
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if (((ui4b)(ASC_FIFO_InB - ASC_FIFO_Out)) >= 0x200) {
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SoundReg804 &= ~ 0x04;
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} else {
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SoundReg804 |= 0x04;
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}
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if (((ui4b)(ASC_FIFO_InB - ASC_FIFO_Out)) >= 0x400) {
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SoundReg804 |= 0x08;
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} else {
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SoundReg804 &= ~ 0x08;
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}
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}
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}
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}
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LOCALPROC ASC_ClearFIFO(void)
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{
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ASC_FIFO_Out = 0;
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ASC_FIFO_InA = 0;
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ASC_FIFO_InB = 0;
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ASC_Playing = falseblnr;
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ASC_RecalcStatus();
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}
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GLOBALFUNC ui5b ASC_Access(ui5b Data, blnr WriteMem, CPTR addr)
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{
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if (addr < 0x800) {
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if (WriteMem) {
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if (1 == SoundReg801) {
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if (0 == (addr & 0x400)) {
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if (((ui4b)(ASC_FIFO_InA - ASC_FIFO_Out)) >= 0x400)
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{
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#if 0 /* seems to happen in tetris */
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ReportAbnormalID(0x0F01,
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"ASC - Channel A Overflow");
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#endif
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SoundReg804 |= 0x02;
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} else {
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ASC_SampBuff[ASC_FIFO_InA & 0x3FF] = Data;
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++ASC_FIFO_InA;
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if (((ui4b)(ASC_FIFO_InA - ASC_FIFO_Out)) >= 0x200)
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{
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if (0 != (SoundReg804 & 0x01)) {
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/* happens normally */
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SoundReg804 &= ~ 0x01;
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}
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} else {
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#if 0 /* doesn't seem to be necessary, but doesn't hurt either */
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SoundReg804 |= 0x01;
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#endif
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}
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if (((ui4b)(ASC_FIFO_InA - ASC_FIFO_Out)) >= 0x400)
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{
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SoundReg804 |= 0x02;
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#if ASC_dolog
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dbglog_WriteNote("ASC : setting full flag A");
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#endif
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} else {
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if (0 != (SoundReg804 & 0x02)) {
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ReportAbnormalID(0x0F02, "ASC_Access : "
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"full flag A not already clear");
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SoundReg804 &= ~ 0x02;
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}
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}
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}
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} else {
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if (0 == (SoundReg802 & 2)) {
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ReportAbnormalID(0x0F03,
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"ASC - Channel B for Mono");
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}
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if (((ui4b)(ASC_FIFO_InB - ASC_FIFO_Out)) >= 0x400)
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{
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ReportAbnormalID(0x0F04,
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"ASC - Channel B Overflow");
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SoundReg804 |= 0x08;
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} else {
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ASC_SampBuff[0x400 + (ASC_FIFO_InB & 0x3FF)] = Data;
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++ASC_FIFO_InB;
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if (((ui4b)(ASC_FIFO_InB - ASC_FIFO_Out)) >= 0x200)
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{
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if (0 != (SoundReg804 & 0x04)) {
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/* happens normally */
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SoundReg804 &= ~ 0x04;
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}
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} else {
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#if 0 /* doesn't seem to be necessary, but doesn't hurt either */
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SoundReg804 |= 0x04;
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#endif
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}
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if (((ui4b)(ASC_FIFO_InB - ASC_FIFO_Out)) >= 0x400)
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{
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SoundReg804 |= 0x08;
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#if ASC_dolog
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dbglog_WriteNote("ASC : setting full flag B");
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#endif
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} else {
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if (0 != (SoundReg804 & 0x08)) {
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ReportAbnormalID(0x0F05, "ASC_Access : "
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"full flag B not already clear");
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SoundReg804 &= ~ 0x08;
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}
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}
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}
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}
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#if ASC_dolog && 0
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dbglog_writeCStr("ASC_InputIndex =");
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dbglog_writeNum(ASC_InputIndex);
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dbglog_writeReturn();
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#endif
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} else {
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ASC_SampBuff[addr] = Data;
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}
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} else {
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Data = ASC_SampBuff[addr];
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}
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#if ASC_dolog && 1
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#if 0
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if (((addr & 0x1FF) >= 0x04)
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&& ((addr & 0x1FF) < (0x200 - 0x04)))
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{
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/* don't report them all */
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} else
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#endif
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{
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dbglog_AddrAccess("ASC_Access SampBuff",
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Data, WriteMem, addr);
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}
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#endif
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} else if (addr < 0x810) {
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switch (addr) {
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case 0x800: /* VERSION */
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if (WriteMem) {
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ReportAbnormalID(0x0F06, "ASC - writing VERSION");
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} else {
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Data = 0;
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}
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#if ASC_dolog && 1
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dbglog_AddrAccess("ASC_Access Control (VERSION)",
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Data, WriteMem, addr);
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#endif
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break;
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case 0x801: /* ENABLE */
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if (WriteMem) {
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if (1 == Data) {
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if (1 != SoundReg801) {
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ASC_ClearFIFO();
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}
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} else {
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if (Data > 2) {
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ReportAbnormalID(0x0F07,
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"ASC - unexpected ENABLE");
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}
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}
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SoundReg801 = Data;
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} else {
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Data = SoundReg801;
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/* happens in LodeRunner */
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}
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#if ASC_dolog && 1
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dbglog_AddrAccess("ASC_Access Control (ENABLE)",
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Data, WriteMem, addr);
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#endif
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break;
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case 0x802: /* CONTROL */
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if (WriteMem) {
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#if 1
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if (0 != SoundReg801) {
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if (SoundReg802 == Data) {
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/*
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this happens normally,
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such as in Lunar Phantom
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*/
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} else {
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if (1 == SoundReg801) {
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/*
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happens in dark castle, if play other sound first,
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such as by changing beep sound in sound control panel.
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*/
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ASC_ClearFIFO();
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}
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#if 0
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ReportAbnormalID(0x0F08,
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"ASC - changing CONTROL while ENABLEd");
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#endif
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}
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}
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#endif
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if (0 != (Data & ~ 2)) {
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ReportAbnormalID(0x0F09,
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"ASC - unexpected CONTROL value");
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}
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SoundReg802 = Data;
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} else {
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Data = SoundReg802;
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ReportAbnormalID(0x0F0A,
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"ASC - reading CONTROL value");
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}
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#if ASC_dolog && 1
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dbglog_AddrAccess("ASC_Access Control (CONTROL)",
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Data, WriteMem, addr);
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#endif
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break;
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case 0x803:
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if (WriteMem) {
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if (0 != (Data & ~ 0x80)) {
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ReportAbnormalID(0x0F0B,
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"ASC - unexpected FIFO MODE");
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}
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if (0 != (Data & 0x80)) {
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if (0 != (SoundReg803 & 0x80)) {
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ReportAbnormalID(0x0F0C,
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"ASC - set clear FIFO again");
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} else
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if (1 != SoundReg801) {
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#if 0 /* happens in system 6, such as with Lunar Phantom */
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ReportAbnormalID(0x0F0D,
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"ASC - clear FIFO when not FIFO mode");
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#endif
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} else
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{
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ASC_ClearFIFO();
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/*
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ASC_interrupt_PulseNtfy();
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Doesn't seem to be needed,
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but doesn't hurt either.
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*/
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}
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}
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SoundReg803 = Data;
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} else {
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Data = SoundReg803;
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}
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#if ASC_dolog && 1
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dbglog_AddrAccess("ASC_Access Control (FIFO MODE)",
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Data, WriteMem, addr);
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#endif
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break;
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case 0x804:
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if (WriteMem) {
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#if 0
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if ((0 != SoundReg804) && (0 != Data)) {
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ReportAbnormalID(0x0F0F,
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"ASC - set FIFO IRQ STATUS when not 0");
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}
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#endif
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SoundReg804 = Data;
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if (0 != SoundReg804) {
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ASC_interrupt_PulseNtfy();
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/*
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Generating this interrupt seems
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to be the point of writing to
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this register.
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*/
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}
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#if ASC_dolog && 1
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dbglog_AddrAccess(
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"ASC_Access Control (FIFO IRQ STATUS)",
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Data, WriteMem, addr);
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#endif
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} else {
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Data = SoundReg804;
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#if 0
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if (1 != SoundReg801) {
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/* no, ok, part of normal interrupt handling */
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ReportAbnormalID(0x0F10,
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"ASC - read STATUS when not FIFO");
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}
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#endif
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/* SoundReg804 = 0; */
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SoundReg804 &= ~ 0x01;
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SoundReg804 &= ~ 0x04;
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/*
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In lunar phantom, observe checking
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full flag before first write, but
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status was read previous.
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*/
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#if ASC_dolog && 1
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#if 0
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if (0 != Data)
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#endif
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{
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dbglog_AddrAccess(
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"ASC_Access Control (FIFO IRQ STATUS)",
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Data, WriteMem, addr);
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}
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#endif
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}
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break;
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case 0x805:
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if (WriteMem) {
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SoundReg805 = Data;
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/* cleared in LodeRunner */
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} else {
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Data = SoundReg805;
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ReportAbnormalID(0x0F11,
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"ASC - reading WAVE CONTROL register");
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}
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#if ASC_dolog && 1
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dbglog_AddrAccess("ASC_Access Control (WAVE CONTROL)",
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Data, WriteMem, addr);
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#endif
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break;
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case 0x806: /* VOLUME */
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if (WriteMem) {
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SoundReg_Volume = Data >> 5;
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if (0 != (Data & 0x1F)) {
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ReportAbnormalID(0x0F12,
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"ASC - unexpected volume value");
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}
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} else {
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Data = SoundReg_Volume << 5;
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ReportAbnormalID(0x0F13,
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"ASC - reading volume register");
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}
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#if ASC_dolog && 1
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dbglog_AddrAccess("ASC_Access Control (VOLUME)",
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Data, WriteMem, addr);
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#endif
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break;
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case 0x807: /* CLOCK RATE */
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if (WriteMem) {
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/* SoundReg807 = Data; */
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if (0 != Data) {
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ReportAbnormalID(0x0F14,
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"ASC - nonstandard CLOCK RATE");
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}
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} else {
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/* Data = SoundReg807; */
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ReportAbnormalID(0x0F15,
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"ASC - reading CLOCK RATE");
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}
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#if ASC_dolog && 1
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dbglog_AddrAccess("ASC_Access Control (CLOCK RATE)",
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Data, WriteMem, addr);
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#endif
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break;
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case 0x808: /* CONTROL */
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if (WriteMem) {
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ReportAbnormalID(0x0F16, "ASC - write to 808");
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} else {
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/* happens on boot System 7.5.5 */
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Data = 0;
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}
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#if ASC_dolog && 1
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dbglog_AddrAccess("ASC_Access Control (CONTROL)",
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Data, WriteMem, addr);
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#endif
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break;
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case 0x80A: /* ? */
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if (WriteMem) {
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ReportAbnormalID(0x0F17, "ASC - write to 80A");
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} else {
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/*
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happens in system 6, Lunar Phantom,
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soon after new game.
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*/
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Data = 0;
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}
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#if ASC_dolog && 1
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dbglog_AddrAccess("ASC_Access Control (80A)",
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Data, WriteMem, addr);
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#endif
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break;
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default:
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if (WriteMem) {
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} else {
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Data = 0;
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}
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ReportAbnormalID(0x0F18, "ASC - unknown ASC reg");
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#if ASC_dolog && 1
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dbglog_AddrAccess("ASC_Access Control (?)",
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Data, WriteMem, addr);
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#endif
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break;
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}
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} else if (addr < 0x830) {
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ui3r b = addr & 3;
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ui3r chan = ((addr - 0x810) >> 3) & 3;
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if (0 != (addr & 4)) {
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if (WriteMem) {
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ASC_ChanA[chan].freq[b] = Data;
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} else {
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Data = ASC_ChanA[chan].freq[b];
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}
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#if ASC_dolog && 1
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dbglog_AddrAccess("ASC_Access Control (frequency)",
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Data, WriteMem, addr);
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#endif
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#if ASC_dolog && 0
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dbglog_writeCStr("freq b=");
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dbglog_writeNum(WriteMem);
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dbglog_writeCStr(", chan=");
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dbglog_writeNum(chan);
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dbglog_writeReturn();
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#endif
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} else {
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if (WriteMem) {
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ASC_ChanA[chan].phase[b] = Data;
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} else {
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Data = ASC_ChanA[chan].phase[b];
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}
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#if ASC_dolog && 1
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dbglog_AddrAccess("ASC_Access Control (phase)",
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Data, WriteMem, addr);
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#endif
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}
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} else if (addr < 0x838) {
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#if ASC_dolog && 1
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dbglog_AddrAccess("ASC_Access Control *** unknown reg",
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Data, WriteMem, addr);
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#endif
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} else {
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#if ASC_dolog && 1
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dbglog_AddrAccess("ASC_Access Control ? *** unknown reg",
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Data, WriteMem, addr);
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#endif
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ReportAbnormalID(0x0F19, "unknown ASC reg");
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}
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return Data;
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}
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/*
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approximate volume levels of vMac, so:
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x * vol_mult[SoundVolume] >> 16
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+ vol_offset[SoundVolume]
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= {approx} (x - kCenterSound) / (8 - SoundVolume) + kCenterSound;
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*/
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LOCALVAR const ui4b vol_mult[] = {
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8192, 9362, 10922, 13107, 16384, 21845, 32768
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};
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LOCALVAR const trSoundSamp vol_offset[] = {
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#if 3 == kLn2SoundSampSz
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112, 110, 107, 103, 96, 86, 64, 0
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#elif 4 == kLn2SoundSampSz
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28672, 28087, 27307, 26215, 24576, 21846, 16384, 0
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#else
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#error "unsupported kLn2SoundSampSz"
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#endif
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};
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|
|
LOCALVAR const ui3r SubTick_n[kNumSubTicks] = {
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23, 23, 23, 23, 23, 23, 23, 24,
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23, 23, 23, 23, 23, 23, 23, 24
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|
};
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|
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GLOBALPROC ASC_SubTick(int SubTick)
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{
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ui4r actL;
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#if MySoundEnabled
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tpSoundSamp p;
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#endif
|
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ui4r i;
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ui4r n = SubTick_n[SubTick];
|
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#if MySoundEnabled
|
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ui3b SoundVolume = SoundReg_Volume;
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#endif
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|
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#if MySoundEnabled
|
|
label_retry:
|
|
p = MySound_BeginWrite(n, &actL);
|
|
#else
|
|
actL = n;
|
|
#endif
|
|
if (actL > 0) {
|
|
|
|
if (1 == SoundReg801) {
|
|
#if MySoundEnabled
|
|
ui3p addr;
|
|
#endif
|
|
|
|
if (0 != (SoundReg802 & 2)) {
|
|
|
|
if (! ASC_Playing) {
|
|
if (((ui4b)(ASC_FIFO_InA - ASC_FIFO_Out)) >= 0x200) {
|
|
if (((ui4b)(ASC_FIFO_InB - ASC_FIFO_Out)) >= 0x200)
|
|
{
|
|
SoundReg804 &= ~ 0x01;
|
|
SoundReg804 &= ~ 0x04;
|
|
ASC_Playing = trueblnr;
|
|
#if ASC_dolog
|
|
dbglog_WriteNote("ASC : start stereo playing");
|
|
#endif
|
|
} else {
|
|
if (((ui4b)(ASC_FIFO_InB - ASC_FIFO_Out)) == 0)
|
|
if (((ui4b)(ASC_FIFO_InA - ASC_FIFO_Out))
|
|
>= 370)
|
|
{
|
|
#if ASC_dolog
|
|
dbglog_WriteNote("ASC : switch to mono");
|
|
#endif
|
|
SoundReg802 &= ~ 2;
|
|
/*
|
|
cludge to get Tetris to work,
|
|
may not actually work on real machine.
|
|
*/
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
for (i = 0; i < actL; i++) {
|
|
if (((ui4b)(ASC_FIFO_InA - ASC_FIFO_Out)) == 0) {
|
|
ASC_Playing = falseblnr;
|
|
}
|
|
if (((ui4b)(ASC_FIFO_InB - ASC_FIFO_Out)) == 0) {
|
|
ASC_Playing = falseblnr;
|
|
}
|
|
if (! ASC_Playing) {
|
|
#if MySoundEnabled
|
|
*p++ = 0x80;
|
|
#endif
|
|
} else
|
|
{
|
|
|
|
#if MySoundEnabled
|
|
addr = ASC_SampBuff + (ASC_FIFO_Out & 0x3FF);
|
|
|
|
#if ASC_dolog && 1
|
|
dbglog_StartLine();
|
|
dbglog_writeCStr("out sound ");
|
|
dbglog_writeCStr("[");
|
|
dbglog_writeHex(ASC_FIFO_Out);
|
|
dbglog_writeCStr("]");
|
|
dbglog_writeCStr(" = ");
|
|
dbglog_writeHex(*addr);
|
|
dbglog_writeCStr(" , ");
|
|
dbglog_writeHex(addr[0x400]);
|
|
dbglog_writeReturn();
|
|
#endif
|
|
|
|
*p++ = ((addr[0] + addr[0x400])
|
|
#if 4 == kLn2SoundSampSz
|
|
<< 8
|
|
#endif
|
|
) >> 1;
|
|
#endif /* MySoundEnabled */
|
|
|
|
ASC_FIFO_Out += 1;
|
|
|
|
}
|
|
}
|
|
|
|
} else {
|
|
|
|
/* mono */
|
|
|
|
if (! ASC_Playing) {
|
|
if (((ui4b)(ASC_FIFO_InA - ASC_FIFO_Out)) >= 0x200)
|
|
{
|
|
SoundReg804 &= ~ 0x01;
|
|
ASC_Playing = trueblnr;
|
|
#if ASC_dolog
|
|
dbglog_WriteNote("ASC : start mono playing");
|
|
#endif
|
|
}
|
|
}
|
|
|
|
for (i = 0; i < actL; i++) {
|
|
if (((ui4b)(ASC_FIFO_InA - ASC_FIFO_Out)) == 0) {
|
|
ASC_Playing = falseblnr;
|
|
}
|
|
if (! ASC_Playing) {
|
|
#if MySoundEnabled
|
|
*p++ = 0x80;
|
|
#endif
|
|
} else
|
|
{
|
|
|
|
#if MySoundEnabled
|
|
addr = ASC_SampBuff + (ASC_FIFO_Out & 0x3FF);
|
|
|
|
#if ASC_dolog && 1
|
|
dbglog_StartLine();
|
|
dbglog_writeCStr("out sound ");
|
|
dbglog_writeCStr("[");
|
|
dbglog_writeHex(ASC_FIFO_Out);
|
|
dbglog_writeCStr("]");
|
|
dbglog_writeCStr(" = ");
|
|
dbglog_writeHex(*addr);
|
|
dbglog_writeCStr(", in buff: ");
|
|
dbglog_writeHex((ui4b)(ASC_FIFO_InA - ASC_FIFO_Out));
|
|
dbglog_writeReturn();
|
|
#endif
|
|
|
|
*p++ = (addr[0])
|
|
#if 4 == kLn2SoundSampSz
|
|
<< 8
|
|
#endif
|
|
;
|
|
#endif /* MySoundEnabled */
|
|
|
|
/* Move the address on */
|
|
/* *addr = 0x80; */
|
|
/* addr += 2; */
|
|
ASC_FIFO_Out += 1;
|
|
|
|
}
|
|
}
|
|
|
|
}
|
|
} else if (2 == SoundReg801) {
|
|
#if MySoundEnabled
|
|
ui4r v;
|
|
ui4r i0;
|
|
ui4r i1;
|
|
ui4r i2;
|
|
ui4r i3;
|
|
#endif
|
|
ui5r freq0 = do_get_mem_long(ASC_ChanA[0].freq);
|
|
ui5r freq1 = do_get_mem_long(ASC_ChanA[1].freq);
|
|
ui5r freq2 = do_get_mem_long(ASC_ChanA[2].freq);
|
|
ui5r freq3 = do_get_mem_long(ASC_ChanA[3].freq);
|
|
ui5r phase0 = do_get_mem_long(ASC_ChanA[0].phase);
|
|
ui5r phase1 = do_get_mem_long(ASC_ChanA[1].phase);
|
|
ui5r phase2 = do_get_mem_long(ASC_ChanA[2].phase);
|
|
ui5r phase3 = do_get_mem_long(ASC_ChanA[3].phase);
|
|
#if ASC_dolog && 1
|
|
dbglog_writeCStr("freq0=");
|
|
dbglog_writeNum(freq0);
|
|
dbglog_writeCStr(", freq1=");
|
|
dbglog_writeNum(freq1);
|
|
dbglog_writeCStr(", freq2=");
|
|
dbglog_writeNum(freq2);
|
|
dbglog_writeCStr(", freq3=");
|
|
dbglog_writeNum(freq3);
|
|
dbglog_writeReturn();
|
|
#endif
|
|
for (i = 0; i < actL; i++) {
|
|
|
|
phase0 += freq0;
|
|
phase1 += freq1;
|
|
phase2 += freq2;
|
|
phase3 += freq3;
|
|
|
|
#if MySoundEnabled
|
|
|
|
#if 1
|
|
i0 = ((phase0 + 0x4000) >> 15) & 0x1FF;
|
|
i1 = ((phase1 + 0x4000) >> 15) & 0x1FF;
|
|
i2 = ((phase2 + 0x4000) >> 15) & 0x1FF;
|
|
i3 = ((phase3 + 0x4000) >> 15) & 0x1FF;
|
|
#else
|
|
i0 = ((phase0 + 0x8000) >> 16) & 0x1FF;
|
|
i1 = ((phase1 + 0x8000) >> 16) & 0x1FF;
|
|
i2 = ((phase2 + 0x8000) >> 16) & 0x1FF;
|
|
i3 = ((phase3 + 0x8000) >> 16) & 0x1FF;
|
|
#endif
|
|
|
|
v = ASC_SampBuff[i0]
|
|
+ ASC_SampBuff[0x0200 + i1]
|
|
+ ASC_SampBuff[0x0400 + i2]
|
|
+ ASC_SampBuff[0x0600 + i3];
|
|
|
|
#if ASC_dolog && 1
|
|
dbglog_StartLine();
|
|
dbglog_writeCStr("i0=");
|
|
dbglog_writeNum(i0);
|
|
dbglog_writeCStr(", i1=");
|
|
dbglog_writeNum(i1);
|
|
dbglog_writeCStr(", i2=");
|
|
dbglog_writeNum(i2);
|
|
dbglog_writeCStr(", i3=");
|
|
dbglog_writeNum(i3);
|
|
dbglog_writeCStr(", output sound v=");
|
|
dbglog_writeNum(v);
|
|
dbglog_writeReturn();
|
|
#endif
|
|
|
|
*p++ = (v >> 2);
|
|
#endif /* MySoundEnabled */
|
|
}
|
|
|
|
do_put_mem_long(ASC_ChanA[0].phase, phase0);
|
|
do_put_mem_long(ASC_ChanA[1].phase, phase1);
|
|
do_put_mem_long(ASC_ChanA[2].phase, phase2);
|
|
do_put_mem_long(ASC_ChanA[3].phase, phase3);
|
|
} else {
|
|
#if MySoundEnabled
|
|
for (i = 0; i < actL; i++) {
|
|
*p++ = kCenterSound;
|
|
}
|
|
#endif
|
|
}
|
|
|
|
|
|
#if MySoundEnabled
|
|
if (SoundVolume < 7) {
|
|
/*
|
|
Usually have volume at 7, so this
|
|
is just for completeness.
|
|
*/
|
|
ui5b mult = (ui5b)vol_mult[SoundVolume];
|
|
trSoundSamp offset = vol_offset[SoundVolume];
|
|
|
|
p -= actL;
|
|
for (i = 0; i < actL; i++) {
|
|
*p = (trSoundSamp)((ui5b)(*p) * mult >> 16) + offset;
|
|
++p;
|
|
}
|
|
}
|
|
|
|
MySound_EndWrite(actL);
|
|
n -= actL;
|
|
if (n > 0) {
|
|
goto label_retry;
|
|
}
|
|
#endif
|
|
}
|
|
|
|
#if 1
|
|
if ((1 == SoundReg801) && ASC_Playing) {
|
|
if (((ui4b)(ASC_FIFO_InA - ASC_FIFO_Out)) >= 0x200) {
|
|
if (0 != (SoundReg804 & 0x01)) {
|
|
ReportAbnormalID(0x0F1A,
|
|
"half flag A not already clear");
|
|
SoundReg804 &= ~ 0x01;
|
|
}
|
|
} else {
|
|
if (0 != (SoundReg804 & 0x01)) {
|
|
/* happens in lode runner */
|
|
} else {
|
|
#if ASC_dolog
|
|
dbglog_WriteNote("setting half flag A");
|
|
#endif
|
|
ASC_interrupt_PulseNtfy();
|
|
SoundReg804 |= 0x01;
|
|
}
|
|
}
|
|
if (((ui4b)(ASC_FIFO_InA - ASC_FIFO_Out)) >= 0x400) {
|
|
if (0 == (SoundReg804 & 0x02)) {
|
|
ReportAbnormalID(0x0F1B, "full flag A not already set");
|
|
SoundReg804 |= 0x02;
|
|
}
|
|
} else {
|
|
if (0 != (SoundReg804 & 0x02)) {
|
|
/* ReportAbnormal("full flag A not already clear"); */
|
|
SoundReg804 &= ~ 0x02;
|
|
}
|
|
}
|
|
if (0 != (SoundReg802 & 2)) {
|
|
if (((ui4b)(ASC_FIFO_InB - ASC_FIFO_Out)) >= 0x200) {
|
|
if (0 != (SoundReg804 & 0x04)) {
|
|
ReportAbnormalID(0x0F1C,
|
|
"half flag B not already clear");
|
|
SoundReg804 &= ~ 0x04;
|
|
}
|
|
} else {
|
|
if (0 != (SoundReg804 & 0x04)) {
|
|
/* happens in Lunar Phantom */
|
|
} else {
|
|
#if ASC_dolog
|
|
dbglog_WriteNote("setting half flag B");
|
|
#endif
|
|
ASC_interrupt_PulseNtfy();
|
|
SoundReg804 |= 0x04;
|
|
}
|
|
}
|
|
if (((ui4b)(ASC_FIFO_InB - ASC_FIFO_Out)) >= 0x400) {
|
|
if (0 == (SoundReg804 & 0x08)) {
|
|
ReportAbnormalID(0x0F1D,
|
|
"full flag B not already set");
|
|
SoundReg804 |= 0x08;
|
|
}
|
|
} else {
|
|
if (0 != (SoundReg804 & 0x08)) {
|
|
/*
|
|
ReportAbnormal("full flag B not already clear");
|
|
*/
|
|
SoundReg804 &= ~ 0x08;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
}
|