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assembleblock.cpp
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#include "asar.h"
#include "libstr.h"
#include "libsmw.h"
#include "scapegoat.hpp"
#include "autoarray.h"
//#include <stdio.h>
int arch=arch_65816;
extern int pass;
int snespos;
int realsnespos;
int startpos;
int realstartpos;
bool emulatexkas;
extern int optimizeforbank;
int old_snespos;
int old_startpos;
int old_optimizeforbank;
int struct_base;
string struct_name;
string struct_parent;
bool in_struct = false;
bool in_sub_struct = false;
lightweight_map<string, snes_struct> structs;
template<typename t> void error(int neededpass, const char * e_);
void warn(const char * e);
static bool movinglabelspossible=false;
#define error(p, e) error<errblock>(p, e)
int bytes;
static enum {
ratsmeta_ban,
ratsmeta_allow,
ratsmeta_used,
} ratsmetastate=ratsmeta_ban;
int snestopc_pick(int addr)
{
return snestopc(addr);
}
inline void verifysnespos()
{
if (snespos<0 || realsnespos<0)
{
warn0("Missing org or freespace command");
snespos=0x008000;
realsnespos=0x008000;
startpos=0x008000;
realstartpos=0x008000;
}
}
inline void step(int num)
{
snespos+=num;
realsnespos+=num;
bytes+=num;
}
inline void write1_65816(unsigned int num)
{
verifysnespos();
if (pass==2)
{
int pcpos=snestopc(realsnespos&0xFFFFFF);
if (pcpos<0)
{
movinglabelspossible=true;
error(2, S"SNES address $"+hex6(realsnespos)+" doesn't map to ROM");
}
romdata[pcpos]=num;
if (pcpos>=romlen) romlen=pcpos+1;
}
step(1);
ratsmetastate=ratsmeta_ban;
}
//inline void write1_generic16(unsigned int num)
//{
// if (pass==2)
// {
// if (realsnespos&0xFFFF0000) error(2, "Address out of bounds");
// int pcpos=realsnespos&0xFFFF;
// romdata[pcpos]=num;
// if (pcpos>=romlen) romlen=pcpos+1;
// }
// step(1);
//}
//inline void write1_generic24(unsigned int num)
//{
// if (pass==2)
// {
// if (realsnespos&0xFF000000) error(2, "Address out of bounds");
// int pcpos=realsnespos&0xFFFFFF;
// romdata[pcpos]=num;
// if (pcpos>=romlen) romlen=pcpos+1;
// }
// step(1);
//}
void write1_pick(unsigned int num)
{
//verifysnespos();
write1_65816(num);
}
void asinit_65816();
bool asblock_65816(char** word, int numwords);
void asend_65816();
void asinit_spc700();
bool asblock_spc700(char** word, int numwords);
void asend_spc700();
void asinit_superfx();
bool asblock_superfx(char** word, int numwords);
void asend_superfx();
bool asblock_pick(char** word, int numwords)
{
if (arch==arch_65816) return asblock_65816(word, numwords);
if (arch==arch_spc700) return asblock_spc700(word, numwords);
if (arch==arch_spc700_inline) return asblock_spc700(word, numwords);
if (arch==arch_superfx) return asblock_superfx(word, numwords);
return true;
}
#define write1 write1_pick
#define snestopc snestopc_pick
const char * safedequote(char * str)
{
const char * tmp=dequote(str);
if (!tmp) error(0, "Garbage near quoted string");
return tmp;
}
#define dequote safedequote
extern char romtitle[30];
extern bool stdlib;
extern bool foundlabel;
extern bool forwardlabel;
int getlen(const char * str);
int getnum(const char * str);
void assemblefile(const char * filename, bool toplevel);
extern const char * thisfilename;
extern int thisline;
const char * createuserfunc(const char * name, const char * arguments, const char * content);
bool commandlineflag(const char * cmd, const char * val);
void write2(unsigned int num)
{
write1(num);
write1(num/256);
//if (pass==2)
//{
// int pcpos=snestopc(realsnespos&0xFFFFFF);
// if (pcpos<0) error(S"SNES address "+hex6(realsnespos)+" doesn't map to ROM");
// romdata_r[pcpos+0]=num ;
// romdata_r[pcpos+1]=num>> 8;
// if (pcpos+2>romlen) romlen=pcpos+2;
//}
//step(2);
}
void write3(unsigned int num)
{
write1(num);
write1(num/256);
write1(num/65536);
//if (pass==2)
//{
// int pcpos=snestopc(realsnespos&0xFFFFFF);
// if (pcpos<0) error(S"SNES address "+hex6(realsnespos)+" doesn't map to ROM");
// romdata_r[pcpos+0]=num ;
// romdata_r[pcpos+1]=num>> 8;
// romdata_r[pcpos+2]=num>>16;
// if (pcpos+3>romlen) romlen=pcpos+3;
//}
//step(3);
}
void write4(unsigned int num)
{
write1(num);
write1(num/256);
write1(num/65536);
write1(num/16777216);
//if (pass==2)
//{
// int pcpos=snestopc(realsnespos&0xFFFFFF);
// if (pcpos<0) error(S"SNES address "+hex6(realsnespos)+" doesn't map to ROM");
// romdata_r[pcpos+0]=num ;
// romdata_r[pcpos+1]=num>> 8;
// romdata_r[pcpos+2]=num>>16;
// romdata_r[pcpos+3]=num>>24;
// if (pcpos+4>romlen) romlen=pcpos+4;
//}
//step(4);
}
//these are NOT used by the math parser - see math.cpp for that
int read1(int snespos)
{
int addr=snestopc(snespos);
if (addr<0 || addr+1>romlen_r) return -1;
return
romdata_r[addr ] ;
}
int read2(int snespos)
{
//return
// read1(snespos ) |
// read1(snespos+1)<< 8;
int addr=snestopc(snespos);
if (addr<0 || addr+2>romlen_r) return -1;
return
romdata_r[addr ] |
(romdata_r[addr+1]<< 8);
}
int read3(int snespos)
{
//return
// read1(snespos ) |
// read1(snespos+1)<< 8|
// read1(snespos+2)<<16;
int addr=snestopc(snespos);
if (addr<0 || addr+3>romlen_r) return -1;
return
romdata_r[addr ] |
(romdata_r[addr+1]<< 8)|
(romdata_r[addr+2]<<16);
}
int getlenfromchar(char c)
{
c=tolower(c);
if (c=='b') return 1;
if (c=='w') return 2;
if (c=='l') return 3;
if (c=='d') return 4;
error(0, "Invalid size modifier");
return -1;
}
lightweight_map<string, unsigned int> labels;
autoarray<int> poslabels;
autoarray<int> neglabels;
autoarray<string> sublabels;
string ns;
//bool fastrom=false;
void startmacro(const char * line);
void tomacro(const char * line);
void endmacro(bool insert);
void callmacro(const char * data);
extern int reallycalledmacros;
extern int calledmacros;
extern int macrorecursion;
extern int incsrcdepth;
extern int repeatnext;
string dir(char const *name);
bool confirmname(const char * name)
{
if (!name[0]) return false;
if (isdigit(name[0])) return false;
for (int i=0;name[i];i++)
{
if (!isalnum(name[i]) && name[i]!='_') return false;
}
return true;
}
string labelname(const char ** rawname, bool define=false)
{
#define rawname (*rawname)
string name;
int i=-1;
if (isdigit(*rawname)) error(0, "Broken label name");
if (*rawname==':')
{
rawname++;
name=":";
}
else if (*rawname=='?')
{
if (!macrorecursion) error(0, "Macro label outside of a macro");
name=S":macro"+dec(calledmacros)+"_";
rawname++;
}
else if(!in_struct && !in_sub_struct)
{
for (i=0;(*rawname=='.');i++) rawname++;
if (!isualnum(*rawname)) error(0, "Invalid label name.");
if (emulatexkas && i>1) warn0("Convert the patch to native Asar format instead of making an Asar-only xkas patch.");
if (i)
{
if (!sublabels[i-1]) error(0, "This label has no parent.");
name+=S sublabels[i-1]+"_";
}
}
if(in_sub_struct)
{
name += struct_parent + ".";
}
if(in_struct || in_sub_struct)
{
name += struct_name;
name += '.';
rawname++;
}
if (!isualnum(*rawname)) error(0, "Invalid label name.");
while (isualnum(*rawname) || *rawname =='.' || *rawname == '[')
{
if(!in_struct && !in_sub_struct && *rawname == '[')
{
bool invalid = true;
while(isprint(*rawname))
{
if(*(rawname++) == ']')
{
invalid = false;
break;
}
}
if(invalid)
{
error(0, "Invalid label name, missing array closer");
}
}
else if(*rawname == '{')
{
error(0, "array syntax invalid inside structs");
}
name+=*(rawname++);
}
if (define && i>=0)
{
sublabels.reset(i);
sublabels[i]=name;
}
return name;
#undef rawname
}
string labelname(char ** rawname, bool define=false)
{
return labelname((const char**)rawname, define);
}
inline bool labelvalcore(const char ** rawname, unsigned int * rval, bool define, bool shouldthrow)
{
string name=labelname(rawname, define);
unsigned int rval_=0;
if (ns && labels.find(S ns+"_"+name, rval_)) {}
else if (labels.find(name, rval_)) {}
else
{
if (shouldthrow && pass) error(1, S"Label "+name+" not found");
if (rval) *rval=-1;
return false;
}
if (rval)
{
*rval=rval_;
//if (fastrom && (rval_&0x700000)!=0x700000) *rval|=0x800000;
}
return true;
}
unsigned int labelval(const char ** rawname, bool define)
{
unsigned int rval;
labelvalcore(rawname, &rval, define, true);
return rval;
}
unsigned int labelval(char ** rawname, bool define)
{
unsigned int rval;
labelvalcore((const char**)rawname, &rval, define, true);
return rval;
}
unsigned int labelval(string name, bool define)
{
const char * rawname=name;
unsigned int rval;
labelvalcore(&rawname, &rval, define, true);
return rval;
}
bool labelval(const char ** rawname, unsigned int * rval, bool define)
{
return labelvalcore(rawname, rval, define, false);
}
bool labelval(char ** rawname, unsigned int * rval, bool define)
{
return labelvalcore((const char**)rawname, rval, define, false);
}
bool labelval(string name, unsigned int * rval, bool define)
{
const char * str=name;
return labelvalcore(&str, rval, define, false);
}
void setlabel(string name, int loc=-1)
{
if (loc==-1)
{
verifysnespos();
loc=snespos;
}
unsigned int labelpos;
if (pass==0)
{
if (labels.find(name, labelpos))
{
movinglabelspossible=true;
error(0, S"Label \""+name+"\" redefined");
}
labels.insert(name, loc);
}
else if (pass==1)
{
labels.insert(name, loc);
}
else if (pass==2)
{
//all label locations are known at this point, add a sanity check
if (!labels.find(name, labelpos)) error(2, "Internal error: A label was created on the third pass. Send this patch to Alcaro so he can debug it.");
if ((int)labelpos!=loc && !movinglabelspossible) error(2, "Internal error: A label is moving around. Send this patch to Alcaro so he can debug it.");
}
}
unsigned int table[256];
int freespacepos[256];
int freespacelen[256];
int freespaceidnext;
int freespaceid;
int freespacestart;
int freespaceextra;
bool freespaceleak[256];
string freespacefile[256];
int freespaceline[256];
int freespaceorgpos[256];
int freespaceorglen[256];
bool freespacestatic[256];
unsigned char freespacebyte[256];
void cleartable()
{
for (int i=0;i<256;i++) table[i]=i;
}
struct pushable {
int arch;
int snespos;
int snesstart;
int snesposreal;
int snesstartreal;
int freeid;
int freeex;
int freest;
int arch1;
int arch2;
int arch3;
int arch4;
};
autoarray<pushable> pushpc;
int pushpcnum;
unsigned char fillbyte[12];
unsigned char padbyte[12];
bool sandbox=false;
int getfreespaceid()
{
if (freespaceidnext>125) fatalerror("A patch may not contain more than 125 freespaces.");
return freespaceidnext++;
}
void checkbankcross()
{
if (snespos<0 && realsnespos<0 && startpos<0 && realstartpos<0) return;
//puts(S hex(snespos)+"^"+hex(startpos)+"&0xFFFF0000 ("+hex((snespos^startpos)&0xFFFF0000)+")");
//puts(S hex(realsnespos)+"^"+hex(realstartpos)+"&0xFFFF0000 ("+hex((realsnespos^realstartpos)&0xFFFF0000)+")");
if (((( snespos^ startpos)&0x7FFF0000) && ((( snespos-1)^ startpos)&0x7FFF0000)) ||
(((realsnespos^realstartpos)&0x7FFF0000) && (((realsnespos-1)^realstartpos)&0x7FFF0000)))
fatalerror("A bank border was crossed somewhere prior to this point.");
}
void freespaceend()
{
checkbankcross();
if ((snespos&0x7F000000) && (snespos&0x80000000)==0)
{
freespacelen[freespaceid]=snespos-freespacestart+freespaceextra;
snespos=0xFFFFFFFF;
}
freespaceextra=0;
}
int savedoptions[16];
int numopcodes;
extern bool math_pri;
extern bool math_round;
bool warnxkas;
#include "scapegoat.hpp"
extern lightweight_map<string, string> defines;
void initstuff()
{
//int numsavedoptions=0;
if (pass==0)
{
for (int i=0;i<256;i++)
{
freespaceleak[i]=true;
freespaceorgpos[i]=-2;
freespaceorglen[i]=-1;
freespacebyte[i] = 0x00;
}
}
arch=arch_65816;
mapper=lorom;
reallycalledmacros=0;
calledmacros=0;
macrorecursion=0;
repeatnext=1;
defines.clear();
ns="";
sublabels.reset();
poslabels.reset();
neglabels.reset();
cleartable();
pushpc.reset();
pushpcnum=0;
bytes=0;
memset(fillbyte, 0, sizeof(fillbyte));
memset(padbyte, 0, sizeof(padbyte));
snespos=0xFFFFFFFF;
realsnespos=0xFFFFFFFF;
startpos=0xFFFFFFFF;
realstartpos=0xFFFFFFFF;
//fastrom=false;
freespaceidnext=1;
freespaceid=1;
freespaceextra=0;
numopcodes=0;
math_pri=false;
math_round=true;
if (arch==arch_65816) asinit_65816();
if (arch==arch_spc700) asinit_spc700();
if (arch==arch_spc700_inline) asinit_spc700();
if (arch==arch_superfx) asinit_superfx();
warnxkas=false;
emulatexkas=false;
}
//extern lightweight_map<string, string> defines;
//void nerf(const string& left, string& right){puts(S left+" = "+right);}
void finishpass()
{
//defines.traverse(nerf);
if (in_struct || in_sub_struct) nullerror("struct without matching endstruct");
else if (pushpcnum && pass==0) nullerror("pushpc without matching pullpc");
freespaceend();
if (arch==arch_65816) asend_65816();
if (arch==arch_spc700) asend_spc700();
if (arch==arch_spc700_inline) asend_spc700();
if (arch==arch_superfx) asend_superfx();
}
bool addlabel(const char * label, int pos=-1)
{
if (!label[0] || label[0]==':') return false;//colons are reserved for special labels
if (label[0]=='-' || label[0]=='+')
{
int i;
for (i=0;label[i];i++) if (label[i]!=label[0]) error(0, "Broken label definition");
if (label[0]=='+') setlabel(S":pos_"+dec(i)+"_"+dec(poslabels[i]++), pos);
else setlabel(S":neg_"+dec(i)+"_"+dec(++neglabels[i]), pos);
return true;
}
if (label[strlen(label)-1]==':' || label[0]=='.' || label[0]=='?')
{
if (!label[1]) return false;
bool requirecolon=(label[0]!='.') && (in_struct || in_sub_struct);
string name=labelname(&label, label[0]!='?');
if (label[0]==':') label++;
else if (requirecolon) error(0, "Broken label definition");
if (label[0]) error(0, "Broken label definition");
if (ns) name=S ns+"_"+name;
setlabel(name, pos);
return true;
}
return false;
}
autoarray<bool> elsestatus;
int numtrue=0;//if 1 -> increase both
int numif=0; //if 0 or inside if 0 -> increase only numif
extern bool asarverallowed;
extern bool istoplevel;
extern bool moreonline;
void print(const char * str);
extern bool checksum;
extern const char * callerfilename;
extern int callerline;
extern int macrorecursion;
int freespaceuse=0;
//these are used during struct manipulation
void push_pc()
{
pushpc[pushpcnum].arch=arch;
pushpc[pushpcnum].snespos=snespos;
pushpc[pushpcnum].snesstart=startpos;
pushpc[pushpcnum].snesposreal=realsnespos;
pushpc[pushpcnum].snesstartreal=realstartpos;
pushpc[pushpcnum].freeid=freespaceid;
pushpc[pushpcnum].freeex=freespaceextra;
pushpc[pushpcnum].freest=freespacestart;
pushpcnum++;
}
void pop_pc()
{
pushpcnum--;
snespos=pushpc[pushpcnum].snespos;
startpos=pushpc[pushpcnum].snesstart;
realsnespos=pushpc[pushpcnum].snesposreal;
realstartpos=pushpc[pushpcnum].snesstartreal;
freespaceid=pushpc[pushpcnum].freeid;
freespaceextra=pushpc[pushpcnum].freeex;
freespacestart=pushpc[pushpcnum].freest;
}
void assembleblock(const char * block)
{
string tmp=block;
int numwords;
char ** word=qsplit(tmp.str, " ", &numwords);
autoptr<char**> wordcopy=word;
while (numif==numtrue && word[0] && addlabel(word[0]))
{
word++;
numwords--;
}
if (!word[0] || !word[0][0]) return;
if (numif==numtrue && word[0][0]=='%')
{
if (!macrorecursion)
{
callerfilename=thisfilename;
callerline=thisline;
}
callmacro(strchr(block, '%')+1);
if (!macrorecursion)
{
callerfilename=NULL;
callerline=-1;
}
return;
}
#define is(test) (!stricmp(word[0], test))
#define is0(test) (!stricmp(word[0], test) && numwords==1)
#define is1(test) (!stricmp(word[0], test) && numwords==2)
#define is2(test) (!stricmp(word[0], test) && numwords==3)
#define is3(test) (!stricmp(word[0], test) && numwords==4)
#define is4(test) (!stricmp(word[0], test) && numwords==5)
#define is5(test) (!stricmp(word[0], test) && numwords==6)
#define par word[1]
if (is("if") || is("elseif") || is("assert"))
{
if (emulatexkas) warn0("Convert the patch to native Asar format instead of making an Asar-only xkas patch.");
const char * errmsg=NULL;
if (is("assert"))
{
char * rawerrmsg=strchr(word[numwords-1], ',');
if (rawerrmsg)
{
*rawerrmsg=0;
errmsg=dequote(rawerrmsg+1);
}
}
if (numtrue!=numif && !(is("elseif") && numtrue+1==numif))
{
if (is("if") && !moreonline) numif++;
return;
}
if (is("if") && !moreonline) numif++;
bool cond;
char ** nextword=word+1;
char * condstr=NULL;
while (true)
{
if (!nextword[0]) error(0, S"Broken "+lower(word[0])+" command");
bool thiscond;
if (!nextword[1] || !strcmp(nextword[1], "&&") || !strcmp(nextword[1], "||"))
{
if (nextword[0][0]=='!')
{
//this part is not mentioned in the manual
int val=getnum(nextword[0]+1);
//if (foundlabel) error(1, S"Label in "+lower(word[0])+" command");
thiscond=!(val>0);
}
else
{
int val=getnum(nextword[0]);
//if (foundlabel) error(1, S"Label in "+lower(word[0])+" command");
thiscond=(val>0);
}
if (condstr && nextword[1])
{
if (strcmp(condstr, nextword[1])) error(1, "Invalid condition");
}
else condstr=nextword[1];
nextword+=2;
}
else
{
if (!nextword[2]) error(0, S"Broken "+lower(word[0])+" command");
int par1=getnum(nextword[0]);
//if (foundlabel) error(1, S"Label in "+lower(word[0])+" command");
int par2=getnum(nextword[2]);
//if (foundlabel) error(1, S"Label in "+lower(word[0])+" command");
if(0);
else if (!strcmp(nextword[1], ">")) thiscond=(par1>par2);
else if (!strcmp(nextword[1], "<")) thiscond=(par1<par2);
else if (!strcmp(nextword[1], ">=")) thiscond=(par1>=par2);
else if (!strcmp(nextword[1], "<=")) thiscond=(par1<=par2);
else if (!strcmp(nextword[1], "=")) thiscond=(par1==par2);
else if (!strcmp(nextword[1], "==")) thiscond=(par1==par2);
else if (!strcmp(nextword[1], "!=")) thiscond=(par1!=par2);
//else if (!strcmp(nextword[1], "<>")) thiscond=(par1!=par2);
else error(0, S"Broken "+lower(word[0])+" command");
if (condstr && nextword[3])
{
if (strcmp(condstr, nextword[3])) error(1, "Invalid condition");
}
else condstr=nextword[3];
nextword+=4;
}
if (condstr)
{
if (!strcmp(condstr, "&&") && thiscond) continue;
if (!strcmp(condstr, "||") && !thiscond) continue;
}
cond=thiscond;
break;
}
//if (numwords==4)
//{
// int par1=getnum(word[1]);
// if (foundlabel) error(1, S"Label in "+lower(word[0])+" command");
// int par2=getnum(word[3]);
// if (foundlabel) error(1, S"Label in "+lower(word[0])+" command");
// if(0);
// else if (!strcmp(word[2], ">")) cond=(par1>par2);
// else if (!strcmp(word[2], "<")) cond=(par1<par2);
// else if (!strcmp(word[2], ">=")) cond=(par1>=par2);
// else if (!strcmp(word[2], "<=")) cond=(par1<=par2);
// else if (!strcmp(word[2], "=")) cond=(par1==par2);
// else if (!strcmp(word[2], "==")) cond=(par1==par2);
// else if (!strcmp(word[2], "!=")) cond=(par1!=par2);
// //else if (!stricmp(word[2], "<>")) cond=(par1!=par2);
// else error(0, S"Broken "+lower(word[0])+" command");
//}
//else if (*par=='!')
//{
// int val=getnum(par+1);
// if (foundlabel) error(1, "Label in if or assert command");
// cond=!(val>0);
//}
//else
//{
// int val=getnum(par);
// if (foundlabel) error(1, "Label in if or assert command");
// cond=(val>0);
//}
if (is("if"))
{
if(0);
else if (cond && moreonline) {}
else if (cond && !moreonline)
{
numtrue++;
elsestatus[numif]=true;
}
else if (!cond && moreonline) moreonline=false;
else if (!cond && !moreonline)
{
elsestatus[numif]=false;
}
}
else if (is("elseif"))
{
if (moreonline) error(1, "Can't use elseif on single-line statements");
if (numif==numtrue) numtrue--;
if (cond && !elsestatus[numif])
{
numtrue++;
elsestatus[numif]=true;
}
}
else if (!cond)
{
if (errmsg) error(1, S"Assertion failed: "+(const char*)errmsg);
else error(1, "Assertion failed");
}
}
else if (is0("endif"))
{
if (!numif) error(1, "Misplaced endif");
if (numif==numtrue) numtrue--;
numif--;
}
//autoarray<bool> elsestatus;
//int numtrue=0;//if 1 -> increase both
//int numif=0; //if 0 or inside if 0 -> increase only numif
else if (is0("else"))
{
if (!numif) error(1, "Misplaced else");
else if (numif==numtrue) numtrue--;
else if (numif==numtrue+1 && !elsestatus[numif])
{
numtrue++;
elsestatus[numif]=true;
}
}
else if (numif!=numtrue) return;
else if (asblock_pick(word, numwords)) { numopcodes++; }
else if (is0("error"))
{
error(0, "error command encountered");
}
else if (is0("warn"))
{
if (pass==2) warn("warn command encountered");
}
else if (is1("error"))
{
error(0, dequote(par));
}
else if (is1("warn"))
{
if (pass==2) warn(dequote(par));
}
else if (is0("@asar") || is1("@asar"))
{
if (!asarverallowed) error(0, "This command may only be used at the start of a file.");
if (!par) return;
if (emulatexkas) error(0, "This file is incompatible with xkas emulation mode.");
int dots=0;
int dig=0;
for (int i=0;par[i];i++)
{
if (par[i]=='.')
{
if (!dig) error(0, "Invalid version number");
dig=0;
dots++;
}
else if (isdigit(par[i])) dig++;
else error(0, "Invalid version number");
}
if (!dig || !dots || dots>2) error(0, "Invalid version number");
autoptr<char**> vers=split(par, ".");
int vermaj=atoi(vers[0]);
if (vermaj>asarver_maj) fatalerror("This version of Asar is too old for this patch.");
if (vermaj<asarver_maj) return;
if (dots==1)
{
if (strlen(vers[1])!=2) error(0, "Invalid version number.");
//if (asarver_min<10 && asarver_bug<10 && strlen(vers[1])>2) error(0, "This version of Asar is too old for this patch.");
int verminbug=atoi(vers[1]);
int tmpver=asarver_bug;
if (tmpver>9) tmpver=9;
if (asarver_min*10+tmpver<verminbug) fatalerror("This version of Asar is too old for this patch.");
}
else
{
int vermin=atoi(vers[1]);
if (vermin>asarver_min) fatalerror("This version of Asar is too old for this patch.");
int verbug=atoi(vers[2]);
if (vermin==asarver_min && verbug>asarver_bug) fatalerror("This version of Asar is too old for this patch.");
}
}
else if (is0("@xkas"))
{
if (!asarverallowed) error(0, "This command may only be used at the start of a file.");
if (incsrcdepth!=1 && !emulatexkas) error(0, "This command may only be used in the root file.");
emulatexkas=true;
optimizeforbank=0x100;
checksum=false;
sublabels[0]=":xkasdefault:";
}
else if (is0("@include") || is1("@includefrom"))
{
if (!asarverallowed) error(0, "This command may only be used at the start of a file.");
if (istoplevel)
{
if (par) fatalerror(S"This file may not be used as the main file. The main file is \""+S par+"\".");
else fatalerror("This file may not be used as the main file.");
}
}
else if (is1("db") || is1("dw") || is1("dl") || is1("dd"))
{
int len;
if (!confirmqpar(par)) error(0, "Mismatched parentheses");
if (is1("db")) len=1;
if (is1("dw")) len=2;
if (is1("dl")) len=3;
if (is1("dd")) len=4;
autoptr<char**> pars=qpsplit(par, ",");
for (int i=0;pars[i];i++)
{
if (pars[i][0]=='"')
{
if (!strcmp(pars[i],"\"STAR\"") && !emulatexkas)
warn0("If you want to assemble an xkas patch, add ;@xkas at the top or you may run into a couple of problems.");
for (unsigned char * str=(unsigned char*)dequote(pars[i]);*str;str++)
{
if (len==1) write1(table[*str]);
if (len==2) write2(table[*str]);
if (len==3) write3(table[*str]);
if (len==4) write4(table[*str]);
}
}
else
{
const char * math=pars[i];
if (math[0]=='#') math++;
int num=(pass!=0)?getnum(math):0;
if (len==1) write1(num);
if (len==2) write2(num);
if (len==3) write3(num);
if (len==4) write4(num);
}
}
}
else if (numwords==3 && !stricmp(word[1], "="))
{
if (word[0][0]=='\'' && word[0][1] && word[0][2]=='\'' && word[0][3]=='\0')
{
table[(unsigned char)word[0][1]]=getnum(word[2]);
return;