fceux/drivers/common/cheat.cpp

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/* FCE Ultra - NES/Famicom Emulator
*
* Copyright notice for this file:
* 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 <stdio.h>
#include <ctype.h>
#include "../../driver.h"
static void GetString(char *s, int max)
{
int x;
fgets(s,max,stdin);
for(x=0;x<max;x++)
if(s[x]=='\n')
{
s[x]=0;
break;
}
}
/* Get unsigned 16-bit integer from stdin in hex. */
static uint32 GetH16(unsigned int def)
{
char buf[32];
fgets(buf,32,stdin);
if(buf[0]=='\n')
return(def);
if(buf[0]=='$')
sscanf(buf+1,"%04x",&def);
else
sscanf(buf,"%04x",&def);
return def;
}
/* Get unsigned 8-bit integer from stdin in decimal. */
static uint8 Get8(unsigned int def)
{
char buf[32];
fgets(buf,32,stdin);
if(buf[0]=='\n')
return(def);
sscanf(buf,"%u",&def);
return def;
}
static int GetI(int def)
{
char buf[32];
fgets(buf,32,stdin);
if(buf[0]=='\n')
return(def);
sscanf(buf,"%d",&def);
return def;
}
static int GetYN(int def)
{
char buf[32];
printf("(Y/N)[%s]: ",def?"Y":"N");
fgets(buf,32,stdin);
if(buf[0]=='y' || buf[0]=='Y')
return(1);
if(buf[0]=='n' || buf[0]=='N')
return(0);
return(def);
}
/*
** Begin list code.
**
*/
static int listcount;
static int listids[16];
static int listsel;
static int mordoe;
void BeginListShow(void)
{
listcount=0;
listsel=-1;
mordoe=0;
}
/* Hmm =0 for in list choices, hmm=1 for end of list choices. */
/* Return equals 0 to continue, -1 to stop, otherwise a number. */
int ListChoice(int hmm)
{
char buf[32];
if(!hmm)
{
int num=0;
tryagain:
printf(" <'Enter' to continue, (S)top, or enter a number.> ");
fgets(buf,32,stdin);
if(buf[0]=='s' || buf[0]=='S') return(-1);
if(buf[0]=='\n') return(0);
if(!sscanf(buf,"%d",&num))
return(0);
if(num<1) goto tryagain;
return(num);
}
else
{
int num=0;
tryagain2:
printf(" <'Enter' to make no selection or enter a number.> ");
fgets(buf,32,stdin);
if(buf[0]=='\n') return(0);
if(!sscanf(buf,"%d",&num))
return(0);
if(num<1) goto tryagain2;
return(num);
}
}
int EndListShow(void)
{
if(mordoe)
{
int r=ListChoice(1);
if(r>0 && r<=listcount)
listsel=listids[r-1];
}
return(listsel);
}
/* Returns 0 to stop listing, 1 to continue. */
int AddToList(char *text, uint32 id)
{
if(listcount==16)
{
int t=ListChoice(0);
mordoe=0;
if(t==-1) return(0); // Stop listing.
else if(t>0 && t<17)
{
listsel=listids[t-1];
return(0);
}
listcount=0;
}
mordoe=1;
listids[listcount]=id;
printf("%2d) %s\n",listcount+1,text);
listcount++;
return(1);
}
/*
**
** End list code.
**/
typedef struct MENU {
char *text;
void *action;
int type; // 0 for menu, 1 for function.
} MENU;
static void SetOC(void)
{
FCEUI_CheatSearchSetCurrentAsOriginal();
}
static void UnhideEx(void)
{
FCEUI_CheatSearchShowExcluded();
}
static void ToggleCheat(int num)
{
printf("Cheat %d %sabled.\n",1+num,
FCEUI_ToggleCheat(num)?"en":"dis");
}
static void ModifyCheat(int num)
{
char *name;
char buf[256];
uint32 A;
uint8 V;
int compare;
int type;
int s;
int t;
FCEUI_GetCheat(num, &name, &A, &V, &compare, &s, &type);
printf("Name [%s]: ",name);
GetString(buf,256);
/* This obviously doesn't allow for cheats with no names. Bah. Who wants
nameless cheats anyway...
*/
if(buf[0])
name=buf; // Change name when FCEUI_SetCheat() is called.
else
name=0; // Don't change name when FCEUI_SetCheat() is called.
printf("Address [$%04x]: ",(unsigned int)A);
A=GetH16(A);
printf("Value [%03d]: ",(unsigned int)V);
V=Get8(V);
printf("Compare [%3d]: ",compare);
compare=GetI(compare);
printf("Type(0=Old Style, 1=Read Substitute) [%1d]: ",type);
type=GetI(type)?1:0;
printf("Enable [%s]: ",s?"Y":"N");
t=getchar();
if(t=='Y' || t=='y') s=1;
else if(t=='N' || t=='n') s=0;
FCEUI_SetCheat(num,name,A,V,compare,s,type);
}
static void AddCheatGGPAR(int which)
{
uint16 A;
uint8 V;
int C;
int type;
char name[256],code[256];
printf("Name: ");
GetString(name,256);
printf("Code: ");
GetString(code,256);
printf("Add cheat \"%s\" for code \"%s\"?",name,code);
if(GetYN(0))
{
if(which)
{
if(!FCEUI_DecodePAR(code,&A,&V,&C,&type))
{
puts("Invalid Game Genie code.");
return;
}
}
else
{
if(!FCEUI_DecodeGG(code,&A,&V,&C))
{
puts("Invalid Game Genie code.");
return;
}
type=1;
}
if(FCEUI_AddCheat(name,A,V,C,type))
puts("Cheat added.");
else
puts("Error adding cheat.");
}
}
static void AddCheatGG(void)
{
AddCheatGGPAR(0);
}
static void AddCheatPAR(void)
{
AddCheatGGPAR(1);
}
static void AddCheatParam(uint32 A, uint8 V)
{
char name[256];
printf("Name: ");
GetString(name,256);
printf("Address [$%04x]: ",(unsigned int)A);
A=GetH16(A);
printf("Value [%03d]: ",(unsigned int)V);
V=Get8(V);
printf("Add cheat \"%s\" for address $%04x with value %03d?",name,(unsigned int)A,(unsigned int)V);
if(GetYN(0))
{
if(FCEUI_AddCheat(name,A,V,-1,0))
puts("Cheat added.");
else
puts("Error adding cheat.");
}
}
static void AddCheat(void)
{
AddCheatParam(0,0);
}
static int lid;
static int clistcallb(char *name, uint32 a, uint8 v, int compare, int s, int type, void *data)
{
char tmp[512];
int ret;
if(compare>=0)
sprintf(tmp,"%s $%04x:%03d:%03d - %s",s?"*":" ",(unsigned int)a,(unsigned int)v,compare,name);
else
sprintf(tmp,"%s $%04x:%03d - %s",s?"*":" ",(unsigned int)a,(unsigned int)v,name);
if(type==1)
tmp[2]='S';
ret=AddToList(tmp,lid);
lid++;
return(ret);
}
static void ListCheats(void)
{
int which;
lid=0;
BeginListShow();
FCEUI_ListCheats(clistcallb,0);
which=EndListShow();
if(which>=0)
{
char tmp[32];
printf(" <(T)oggle status, (M)odify, or (D)elete this cheat.> ");
fgets(tmp,32,stdin);
switch(tolower(tmp[0]))
{
case 't':ToggleCheat(which);
break;
case 'd':if(!FCEUI_DelCheat(which))
puts("Error deleting cheat!");
else
puts("Cheat has been deleted.");
break;
case 'm':ModifyCheat(which);
break;
}
}
}
static void ResetSearch(void)
{
FCEUI_CheatSearchBegin();
puts("Done.");
}
static int srescallb(uint32 a, uint8 last, uint8 current, void *data)
{
char tmp[13];
sprintf(tmp, "$%04x:%03d:%03d",(unsigned int)a,(unsigned int)last,(unsigned int)current);
return(AddToList(tmp,a));
}
static void ShowRes(void)
{
int n=FCEUI_CheatSearchGetCount();
printf(" %d results:\n",n);
if(n)
{
int which;
BeginListShow();
FCEUI_CheatSearchGet(srescallb,0);
which=EndListShow();
if(which>=0)
AddCheatParam(which,0);
}
}
static int ShowShortList(char *moe[], int n, int def)
{
int x,c;
int baa; //mbg merge 7/17/06 made to normal int
char tmp[16];
red:
for(x=0;x<n;x++)
printf("%d) %s\n",x+1,moe[x]);
puts("D) Display List");
clo:
printf("\nSelection [%d]> ",def+1);
fgets(tmp,256,stdin);
if(tmp[0]=='\n')
return def;
c=tolower(tmp[0]);
baa=c-'1';
if(baa<n)
return baa;
else if(c=='d')
goto red;
else
{
puts("Invalid selection.");
goto clo;
}
}
static void DoSearch(void)
{
static int v1=0,v2=0;
static int method=0;
char *m[6]={"O==V1 && C==V2","O==V1 && |O-C|==V2","|O-C|==V2","O!=C","Value decreased","Value increased"};
printf("\nSearch Filter:\n");
method=ShowShortList(m,6,method);
if(method<=1)
{
printf("V1 [%03d]: ",v1);
v1=Get8(v1);
}
if(method<=2)
{
printf("V2 [%03d]: ",v2);
v2=Get8(v2);
}
FCEUI_CheatSearchEnd(method,v1,v2);
puts("Search completed.\n");
}
static MENU NewCheatsMenu[]={
{"Add Cheat",(void *)AddCheat,1},
{"Reset Search",(void *)ResetSearch,1},
{"Do Search",(void *)DoSearch,1},
{"Set Original to Current",(void *)SetOC,1},
{"Unhide Excluded",(void *)UnhideEx,1},
{"Show Results",(void *)ShowRes,1},
{"Add Game Genie Cheat",(void *)AddCheatGG,1},
{"Add PAR Cheat",(void *)AddCheatPAR,1},
{0}
};
static MENU MainMenu[]={
{"List Cheats",(void *)ListCheats,1},
{"New Cheats...",(void *)NewCheatsMenu,0},
{0}
};
static void DoMenu(MENU *men)
{
int x=0;
redisplay:
x=0;
puts("");
while(men[x].text)
{
printf("%d) %s\n",x+1,men[x].text);
x++;
}
puts("D) Display Menu\nX) Return to Previous\n");
{
char buf[32];
int c;
recommand:
printf("Command> ");
fgets(buf,32,stdin);
c=tolower(buf[0]);
if(c=='\n')
goto recommand;
else if(c=='d')
goto redisplay;
else if(c=='x')
{
return;
}
else if(sscanf(buf,"%d",&c))
{
if(c>x) goto invalid;
if(men[c-1].type)
{
void (*func)(void)=(void(*)())men[c-1].action;
func();
}
else
DoMenu((MENU*)men[c-1].action); /* Mmm...recursivey goodness. */
goto redisplay;
}
else
{
invalid:
puts("Invalid command.\n");
goto recommand;
}
}
}
void DoConsoleCheatConfig(void)
{
MENU *curmenu=MainMenu;
DoMenu(curmenu);
}