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  • Committer: Package Import Robot
  • Author(s): Joe Nahmias
  • Date: 2014-03-02 19:22:04 UTC
  • mfrom: (1.1.1)
  • Revision ID: package-import@ubuntu.com-20140302192204-9f0aehi5stfnhn7d
Tags: 2.2.2+dfsg0-1
* Imported Upstream version 2.2.2
  + remove patches merged upstream; refresh remaining
  + remove windows compiled help files and non-free Visual C files
* Use C++11 standard static assertion functionality
* fix upstream installation of support files
* New patch 0004-ignore-missing-windows-help-CHM-file.patch
* update d/copyright for new, renamed, deleted files
* d/control: bump std-ver to 3.9.5, no changes needed

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src/nsf.cpp
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/// \file
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/// \brief implements a built-in NSF player.  This is a perk--not a part of the emu core
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <math.h>
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#include "types.h"
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#include "x6502.h"
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#include "fceu.h"
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#include "fds.h"
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#include "cart.h"
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#include "input.h"
 
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#include "state.h"
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#include "driver.h"
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#ifdef _S9XLUA_H
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#include "fceulua.h"
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#define M_PI 3.14159265358979323846
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#endif
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#include <cstdio>
 
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#include <cstdlib>
 
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#include <cstring>
 
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#include <cmath>
 
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static const int FIXED_EXWRAM_SIZE = 32768+8192;
 
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static uint8 SongReload;
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static int CurrentSong;
 
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static int32 CurrentSong;
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static DECLFW(NSF_write);
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static DECLFR(NSF_read);
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static int vismode=1;
 
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static int vismode=1; //we cant consider this state, because the UI may be controlling it and wouldnt know we loadstated it
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//mbg 7/31/06 todo - no reason this couldnt be assembled on the fly from actual asm source code. thatd be less obscure.
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//here it is disassembled, for reference
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        return (NSFROM-0x3800)[A];
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}
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static int doreset=0;
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static int NSFNMIFlags;
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uint8 *NSFDATA=0;
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int NSFMaxBank;
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static int NSFSize;
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static uint8 BSon;
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static uint8 BankCounter;
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static uint16 PlayAddr;
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static uint16 InitAddr;
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static uint16 LoadAddr;
 
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static uint8 doreset=0; //state
 
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static uint8 NSFNMIFlags; //state
 
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uint8 *NSFDATA=0; //configration, loaded from rom?
 
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int NSFMaxBank; //configuration
 
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static int32 NSFSize; //configuration
 
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static uint8 BSon; //configuration
 
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static uint8 BankCounter; //configuration
 
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static uint16 PlayAddr; //configuration
 
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static uint16 InitAddr; //configuration
 
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static uint16 LoadAddr; //configuration
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extern char LoadedRomFName[2048];
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        FCEU_printf(" %s\n",(NSFHeader.VideoSystem&1)?"PAL":"NTSC");
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        FCEU_printf(" Starting song:  %d / %d\n\n",NSFHeader.StartingSong,NSFHeader.TotalSongs);
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        //choose exwram size and allocate
 
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        int exwram_size = 8192;
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        if(NSFHeader.SoundChip&4)
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                ExWRAM=(uint8*)FCEU_gmalloc(32768+8192); //mbg merge 7/17/06 added cast
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        else
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                ExWRAM=(uint8*)FCEU_gmalloc(8192); //mbg merge 7/17/06 added cast
 
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                exwram_size = 32768+8192;
 
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        //lets just always use this size, for savestate simplicity
 
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        exwram_size = FIXED_EXWRAM_SIZE;
 
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        ExWRAM=(uint8*)FCEU_gmalloc(exwram_size);
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        FCEUI_SetVidSystem(NSFHeader.VideoSystem);
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void NSFN106_Init(void);
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void NSFAY_Init(void);
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//zero 17-apr-2013 - added
 
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static SFORMAT StateRegs[] = {
 
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        {&SongReload, 1, "SREL"},
 
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        {&CurrentSong, 4 | FCEUSTATE_RLSB, "CURS"},
 
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        {&doreset, 1, "DORE"},
 
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        {&NSFNMIFlags, 1, "NMIF"},
 
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        { 0 }
 
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};
 
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void NSF_init(void)
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{
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        doreset=1;
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        CurrentSong=NSFHeader.StartingSong;
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        SongReload=0xFF;
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        NSFNMIFlags=0;
 
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        //zero 17-apr-2013 - added
 
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        AddExState(StateRegs, ~0, 0, 0);
 
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        AddExState(ExWRAM, FIXED_EXWRAM_SIZE, 0, "ERAM");
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}
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static DECLFW(NSF_write)