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fceugx/source/fceultra/input.c
dborth 47fb364fc0 source refactor
2008-09-02 01:55:12 +00:00

442 lines
9.8 KiB
C
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/* FCE Ultra - NES/Famicom Emulator
*
* Copyright notice for this file:
* Copyright (C) 1998 BERO
* Copyright (C) 2002 Xodnizel
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <string.h>
#include "types.h"
#include "x6502.h"
#include "fceu.h"
#include "sound.h"
#include "netplay.h"
#include "movie.h"
#include "state.h"
#include "input.h"
#include "vsuni.h"
#include "fds.h"
extern INPUTC *FCEU_InitZapper(int w);
extern INPUTC *FCEU_InitPowerpadA(int w);
extern INPUTC *FCEU_InitPowerpadB(int w);
extern INPUTC *FCEU_InitArkanoid(int w);
extern INPUTCFC *FCEU_InitArkanoidFC(void);
extern INPUTCFC *FCEU_InitSpaceShadow(void);
extern INPUTCFC *FCEU_InitFKB(void);
extern INPUTCFC *FCEU_InitHS(void);
extern INPUTCFC *FCEU_InitMahjong(void);
extern INPUTCFC *FCEU_InitQuizKing(void);
extern INPUTCFC *FCEU_InitFamilyTrainerA(void);
extern INPUTCFC *FCEU_InitFamilyTrainerB(void);
extern INPUTCFC *FCEU_InitOekaKids(void);
extern INPUTCFC *FCEU_InitTopRider(void);
extern INPUTCFC *FCEU_InitBarcodeWorld(void);
static uint8 joy_readbit[2];
static uint8 joy[4]={0,0,0,0};
static uint8 LastStrobe;
/* This function is a quick hack to get the NSF player to use emulated gamepad
input.
*/
uint8 FCEU_GetJoyJoy(void)
{
return(joy[0]|joy[1]|joy[2]|joy[3]);
}
extern uint8 coinon;
static int FSDisable=0; /* Set to 1 if NES-style four-player adapter is disabled. */
static int JPAttrib[2]={0,0};
static int JPType[2]={0,0};
static void *InputDataPtr[2];
static int JPAttribFC=0;
static int JPTypeFC=0;
static void *InputDataPtrFC;
void (*InputScanlineHook)(uint8 *bg, uint8 *spr, uint32 linets, int final);
static INPUTC DummyJPort={0,0,0,0,0};
static INPUTC *JPorts[2]={&DummyJPort,&DummyJPort};
static INPUTCFC *FCExp=0;
static uint8 FP_FASTAPASS(1) ReadGPVS(int w)
{
uint8 ret=0;
if(joy_readbit[w]>=8)
ret=1;
else
{
ret = ((joy[w]>>(joy_readbit[w]))&1);
if(!fceuindbg)
joy_readbit[w]++;
}
return ret;
}
static uint8 FP_FASTAPASS(1) ReadGP(int w)
{
uint8 ret;
if(joy_readbit[w]>=8)
ret = ((joy[2+w]>>(joy_readbit[w]&7))&1);
else
ret = ((joy[w]>>(joy_readbit[w]))&1);
if(joy_readbit[w]>=16) ret=0;
if(FSDisable)
{
if(joy_readbit[w]>=8) ret|=1;
}
else
{
if(joy_readbit[w]==19-w) ret|=1;
}
if(!fceuindbg)
joy_readbit[w]++;
return ret;
}
static DECLFR(JPRead)
{
uint8 ret=0;
if(JPorts[A&1]->Read)
ret|=JPorts[A&1]->Read(A&1);
if(FCExp)
if(FCExp->Read)
ret=FCExp->Read(A&1,ret);
ret|=X.DB&0xC0;
return(ret);
}
static DECLFW(B4016)
{
if(FCExp)
if(FCExp->Write)
FCExp->Write(V&7);
if(JPorts[0]->Write)
JPorts[0]->Write(V&1);
if(JPorts[1]->Write)
JPorts[1]->Write(V&1);
if((LastStrobe&1) && (!(V&1)))
{
/* This strobe code is just for convenience. If it were
with the code in input / *.c, it would more accurately represent
what's really going on. But who wants accuracy? ;)
Seriously, though, this shouldn't be a problem.
*/
if(JPorts[0]->Strobe)
JPorts[0]->Strobe(0);
if(JPorts[1]->Strobe)
JPorts[1]->Strobe(1);
if(FCExp)
if(FCExp->Strobe)
FCExp->Strobe();
}
LastStrobe=V&0x1;
}
static void FP_FASTAPASS(1) StrobeGP(int w)
{
joy_readbit[w]=0;
}
static INPUTC GPC={ReadGP,0,StrobeGP,0,0,0};
static INPUTC GPCVS={ReadGPVS,0,StrobeGP,0,0,0};
void FCEU_DrawInput(uint8 *buf)
{
int x;
for(x=0;x<2;x++)
if(JPorts[x]->Draw)
JPorts[x]->Draw(x,buf,JPAttrib[x]);
if(FCExp)
if(FCExp->Draw)
FCExp->Draw(buf,JPAttribFC);
}
void FCEU_UpdateInput(void)
{
int x;
for(x=0;x<2;x++)
{
switch(JPType[x])
{
case SI_GAMEPAD:
if(!x)
{
joy[0]=*(uint32 *)InputDataPtr[0];
joy[2]=*(uint32 *)InputDataPtr[0] >> 16;
}
else
{
joy[1]=*(uint32 *)InputDataPtr[1] >>8;
joy[3]=*(uint32 *)InputDataPtr[1] >>24;
}
break;
default:
if(JPorts[x]->Update)
JPorts[x]->Update(x,InputDataPtr[x],JPAttrib[x]);
break;
}
}
if(FCExp)
if(FCExp->Update)
FCExp->Update(InputDataPtrFC,JPAttribFC);
if(FCEUGameInfo->type==GIT_VSUNI)
if(coinon) coinon--;
if(FCEUnetplay) NetplayUpdate(joy);
FCEUMOV_AddJoy(joy);
if(FCEUGameInfo->type==GIT_VSUNI)
FCEU_VSUniSwap(&joy[0],&joy[1]);
}
static DECLFR(VSUNIRead0)
{
uint8 ret=0;
if(JPorts[0]->Read)
ret|=(JPorts[0]->Read(0))&1;
ret|=(vsdip&3)<<3;
if(coinon)
ret|=0x4;
return ret;
}
static DECLFR(VSUNIRead1)
{
uint8 ret=0;
if(JPorts[1]->Read)
ret|=(JPorts[1]->Read(1))&1;
ret|=vsdip&0xFC;
return ret;
}
static void SLHLHook(uint8 *bg, uint8 *spr, uint32 linets, int final)
{
int x;
for(x=0;x<2;x++)
if(JPorts[x]->SLHook)
JPorts[x]->SLHook(x,bg,spr,linets,final);
if(FCExp)
if(FCExp->SLHook)
FCExp->SLHook(bg,spr,linets,final);
}
static void CheckSLHook(void)
{
InputScanlineHook=0;
if(JPorts[0]->SLHook || JPorts[1]->SLHook)
InputScanlineHook=SLHLHook;
if(FCExp)
if(FCExp->SLHook)
InputScanlineHook=SLHLHook;
}
static void FASTAPASS(1) SetInputStuff(int x)
{
switch(JPType[x])
{
case SI_GAMEPAD:
if(FCEUGameInfo->type==GIT_VSUNI)
JPorts[x] = &GPCVS;
else
JPorts[x]=&GPC;
break;
case SI_ARKANOID:JPorts[x]=FCEU_InitArkanoid(x);break;
case SI_ZAPPER:JPorts[x]=FCEU_InitZapper(x);break;
case SI_POWERPADA:JPorts[x]=FCEU_InitPowerpadA(x);break;
case SI_POWERPADB:JPorts[x]=FCEU_InitPowerpadB(x);break;
case SI_NONE:JPorts[x]=&DummyJPort;break;
}
CheckSLHook();
}
static uint8 F4ReadBit[2];
static void StrobeFami4(void)
{
F4ReadBit[0]=F4ReadBit[1]=0;
}
static uint8 FP_FASTAPASS(2) ReadFami4(int w, uint8 ret)
{
ret&=1;
ret |= ((joy[2+w]>>(F4ReadBit[w]))&1)<<1;
if(F4ReadBit[w]>=8) ret|=2;
else F4ReadBit[w]++;
return(ret);
}
static INPUTCFC FAMI4C={ReadFami4,0,StrobeFami4,0,0,0};
static void SetInputStuffFC(void)
{
switch(JPTypeFC)
{
case SIFC_NONE:FCExp=0;break;
case SIFC_ARKANOID:FCExp=FCEU_InitArkanoidFC();break;
case SIFC_SHADOW:FCExp=FCEU_InitSpaceShadow();break;
case SIFC_OEKAKIDS:FCExp=FCEU_InitOekaKids();break;
case SIFC_4PLAYER:FCExp=&FAMI4C;memset(&F4ReadBit,0,sizeof(F4ReadBit));break;
case SIFC_FKB:FCExp=FCEU_InitFKB();break;
case SIFC_HYPERSHOT:FCExp=FCEU_InitHS();break;
case SIFC_MAHJONG:FCExp=FCEU_InitMahjong();break;
case SIFC_QUIZKING:FCExp=FCEU_InitQuizKing();break;
case SIFC_FTRAINERA:FCExp=FCEU_InitFamilyTrainerA();break;
case SIFC_FTRAINERB:FCExp=FCEU_InitFamilyTrainerB();break;
case SIFC_BWORLD:FCExp=FCEU_InitBarcodeWorld();break;
case SIFC_TOPRIDER:FCExp=FCEU_InitTopRider();break;
}
CheckSLHook();
}
void InitializeInput(void)
{
memset(joy_readbit,0,sizeof(joy_readbit));
memset(joy,0,sizeof(joy));
LastStrobe = 0;
if(FCEUGameInfo->type==GIT_VSUNI)
{
SetReadHandler(0x4016,0x4016,VSUNIRead0);
SetReadHandler(0x4017,0x4017,VSUNIRead1);
}
else
SetReadHandler(0x4016,0x4017,JPRead);
SetWriteHandler(0x4016,0x4016,B4016);
SetInputStuff(0);
SetInputStuff(1);
SetInputStuffFC();
}
void FCEUI_SetInput(int port, int type, void *ptr, int attrib)
{
JPAttrib[port]=attrib;
JPType[port]=type;
InputDataPtr[port]=ptr;
SetInputStuff(port);
}
void FCEUI_DisableFourScore(int s)
{
FSDisable=s;
}
void FCEUI_SetInputFC(int type, void *ptr, int attrib)
{
JPAttribFC=attrib;
JPTypeFC=type;
InputDataPtrFC=ptr;
SetInputStuffFC();
}
SFORMAT FCEUCTRL_STATEINFO[]={
{ joy_readbit, 2, "JYRB"},
{ joy, 4, "JOYS"},
{ &LastStrobe, 1, "LSTS"},
{ 0 }
};
void FCEU_DoSimpleCommand(int cmd)
{
switch(cmd)
{
case FCEUNPCMD_FDSINSERT: FCEU_FDSInsert(-1);break;
case FCEUNPCMD_FDSSELECT: FCEU_FDSSelect();break;
case FCEUNPCMD_FDSEJECT: FCEU_FDSEject();break;
case FCEUNPCMD_VSUNICOIN: FCEU_VSUniCoin(); break;
case FCEUNPCMD_VSUNIDIP0 ... (FCEUNPCMD_VSUNIDIP0 + 7): FCEU_VSUniToggleDIP(cmd - FCEUNPCMD_VSUNIDIP0);break;
case FCEUNPCMD_POWER: PowerNES();break;
case FCEUNPCMD_RESET: ResetNES();break;
}
}
void FCEU_QSimpleCommand(int cmd)
{
if(FCEUnetplay)
FCEUNET_SendCommand(cmd, 0);
else
{
if(!FCEUMOV_IsPlaying())
FCEU_DoSimpleCommand(cmd);
else
FCEUMOV_AddCommand(cmd);
}
}
void FCEUI_FDSSelect(void)
{
FCEU_QSimpleCommand(FCEUNPCMD_FDSSELECT);
}
int FCEUI_FDSInsert(int oride)
{
FCEU_QSimpleCommand(FCEUNPCMD_FDSINSERT);
return(1);
}
int FCEUI_FDSEject(void)
{
FCEU_QSimpleCommand(FCEUNPCMD_FDSEJECT);
return(1);
}
void FCEUI_VSUniToggleDIP(int w)
{
FCEU_QSimpleCommand(FCEUNPCMD_VSUNIDIP0 + w);
}
void FCEUI_VSUniCoin(void)
{
FCEU_QSimpleCommand(FCEUNPCMD_VSUNICOIN);
}
void FCEUI_ResetNES(void)
{
FCEU_QSimpleCommand(FCEUNPCMD_RESET);
}
void FCEUI_PowerNES(void)
{
FCEU_QSimpleCommand(FCEUNPCMD_POWER);
}
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