#include <stdio.h>
 
#include <stdlib.h>
 
#include <string.h>
 
#include <time.h>
 
 
 
typedef unsigned char BYTE;
 
typedef unsigned short WORD;
 
typedef unsigned long LONGWORD;
 
 
 
#define HEXLEN 0
 
#define DATATYPE 1
 
#define CHECKSUM 2
 
 
 
BYTE      checksum;
 
WORD      col, row;
 
LONGWORD  err;
 
BYTE      s[256], s1[256], target[256];
 
 
 
//-----------------------------------------------------------------------------
 
 
 
void print_err_rc()
 
{
 
 printf("Error! (Row %d, Col %d)\n",row
,col
+1);  
 err++;
 
}
 
 
 
//-----------------------------------------------------------------------------
 
 
 
void print_err_r(BYTE cause)
 
{
 
 BYTE* cause_str[3]={"Number of byte","Unknown datatype","Checksum"};
 
 printf("Error! %s. (Row %d)\n",cause_str
[cause
],row
);  
 err++;
 
}
 
 
 
//-----------------------------------------------------------------------------
 
 
 
BYTE getbyte()
 
{
 
 BYTE  b1, b0;
 
 
 
 b1=s[col];
 
 if ( ( (b1>=0x30)&&(b1<=0x39) )||( (b1>=0x41)&&(b1<=0x46) ) )
 
 {
 
  b1-=0x30;
 
  if (b1>9) b1-=7;
 
 }
 
 else
 
 {
 
  print_err_rc();
 
  b1=0;
 
 }
 
 col++;
 
 
 
 b0=s[col];
 
 if ( ( (b0>=0x30)&&(b0<=0x39) )||( (b0>=0x41)&&(b0<=0x46) ) )
 
 {
 
  b0-=0x30;
 
  if (b0>9) b0-=7;
 
 }
 
 else
 
 {
 
  print_err_rc();
 
  b0=0;
 
 }
 
 col++;
 
 
 
 b0|=(b1<<4);
 
 checksum+=b0;
 
 return b0;
 
}
 
 
 
//-----------------------------------------------------------------------------
 
 
 
void readhex(FILE* f, BYTE* buff, LONGWORD buffsize)
 
{
 
 BYTE       b, hexlen, datatype;
 
 LONGWORD   x0, x1, adr, segadr;
 
 
 
 for (adr=0;adr<buffsize;adr++) buff[adr]=0xff;
 
 err=0;
 
 segadr=0;
 
 row=0;
 
 {
 
  row++;
 
  col=0;
 
  {
 
   if (s[col]!=':') print_err_rc();
 
   col++;
 
   checksum=0;
 
   hexlen=getbyte();
 
   x1=getbyte();
 
   x0=getbyte();
 
   adr=segadr|(x1<<8)|x0;
 
   datatype=getbyte();
 
   switch (datatype)
 
   {
 
    // Data record
 
    case 0: while (hexlen>0)
 
            {
 
             b=getbyte();
 
             hexlen--;
 
             if (adr<buffsize) buff[adr]=b;
 
             adr++;
 
            }
 
            break;
 
    // End of file record
 
    case 1: if (hexlen!=0) print_err_r(HEXLEN);
 
            break;
 
    // Extended segment address record
 
    case 2: x1=getbyte();
 
            x0=getbyte();
 
            segadr=(x1<<12)|(x0<<4);
 
            if (hexlen!=2) print_err_r(HEXLEN);
 
            break;
 
    // Start segment address record
 
    case 3: break;
 
    // Extended linear address record
 
    case 4: x1=getbyte();
 
            x0=getbyte();
 
            segadr=(x1<<24)|(x0<<16);
 
            if (hexlen!=2) print_err_r(HEXLEN);
 
            break;
 
    // Start linear address record
 
    case 5: break;
 
    default: print_err_r(DATATYPE);
 
             while (hexlen!=0) { getbyte(); hexlen--; }
 
   }
 
   getbyte();
 
   if (checksum!=0) print_err_r(CHECKSUM);
 
  }
 
 }
 
}
 
 
 
//-----------------------------------------------------------------------------
 
 
 
void makebitmap(BYTE* buff, BYTE* dest, LONGWORD buffsize)
 
{
 
 BYTE       b, m;
 
 LONGWORD   adr, i, j;
 
 
 
 j=0;
 
 adr=0;
 
 do
 
 {
 
  m=0;
 
  b=0xff;
 
  for (i=0;i<256;i++) b&=buff[adr++];
 
  if (b!=0xff) m|=0x01;
 
  b=0xff;
 
  for (i=0;i<256;i++) b&=buff[adr++];
 
  if (b!=0xff) m|=0x02;
 
  b=0xff;
 
  for (i=0;i<256;i++) b&=buff[adr++];
 
  if (b!=0xff) m|=0x04;
 
  b=0xff;
 
  for (i=0;i<256;i++) b&=buff[adr++];
 
  if (b!=0xff) m|=0x08;
 
  b=0xff;
 
  for (i=0;i<256;i++) b&=buff[adr++];
 
  if (b!=0xff) m|=0x10;
 
  b=0xff;
 
  for (i=0;i<256;i++) b&=buff[adr++];
 
  if (b!=0xff) m|=0x20;
 
  b=0xff;
 
  for (i=0;i<256;i++) b&=buff[adr++];
 
  if (b!=0xff) m|=0x40;
 
  b=0xff;
 
  for (i=0;i<256;i++) b&=buff[adr++];
 
  if (b!=0xff) m|=0x80;
 
  dest[j++]=m;
 
 }
 
 while (adr<buffsize);
 
}
 
 
 
//-----------------------------------------------------------------------------
 
 
 
int main(int argc,char*argv[])
 
{
 
 BYTE       b, o;
 
 WORD       i, ih, crc;
 
 struct tm  stm;
 
 BYTE       vs[57]; //58-1
 
 WORD       tabcrc[256];
 
 BYTE       fbuff[0x1e000];
 
 BYTE       ebuff[4096];
 
 BYTE       header[0x80];
 
 LONGWORD   adr;
 
 FILE*      f;
 
 
 
 printf("ZX EVO project:  HEX to BIN + CRC + Header\n");  
 if (argc
<5) { printf("usage: make_fw <HexFileName> <EepFileName> <OutputFileName> <VersionFileName>\n"); return 2; }  
 
 
 header[0]='Z';
 
 header[1]='X';
 
 header[2]='E';
 
 header[3]='V';
 
 header[4]='O';
 
 header[5]=0x1a;
 
 for (ih=0x06; ih<0x80; ih++) header[ih]=0;
 
 ih=6;
 
 o=0;
 
 if (argc==6)
 
  {
 
   if (s1[0]=='o') o=0x80;
 
  }
 
 
 
 vs[0]=0;
 
 if (f)
 
  {
 
  }
 
 for (i=0; i<57; i++)
 
  if ( (vs[i]<0x20) || (vs[i]>=0x80) )
 
   {
 
    vs[i]=0;
 
    break;
 
   }
 
 if (!i
) strcpy(vs
, "No info");  
 
 
 
 
 printf("Open file %s... ",s1
);  
 if (!f
) { printf("Can't open file\n"); return 1; }  
 readhex(f,fbuff,0x1e000);
 
 if (err
) { printf("Total %u error(s)!\n",err
); return 3; }  
 
 
 printf("Open file %s... ",s1
);  
 if (!f)
 
  else
 
  {
 
   readhex(f,ebuff,4096);
 
   if (err
) { printf("Total %u error(s)!\n",err
); return 3; }  
  }
 
 
 
 // comments place
 
 {
 
  time_t tt;
 
 }
 
 i=(WORD)(((stm.tm_year-100)&0x3f)<<9) | (((stm.tm_mon+1)&0x0f)<<5) | (stm.tm_mday&0x1f);
 
 header[0x003f]=fbuff[0x1dffd]=(i>>8)&0x7f|o;
 
 header[0x003e]=fbuff[0x1dffc]=i&0xff;
 
 
 
 
 
 for (i=0;i<256;i++)
 
 {
 
  crc=i<<8;
 
  b=8;
 
  do
 
  {
 
   if (crc&0x8000)
 
    crc=(crc<<1)^0x1021;
 
   else
 
    crc<<=1;
 
   b--;
 
  }
 
  while ((b)&&(crc));
 
  tabcrc[i]=crc;
 
 }
 
 
 
 crc=0xffff;
 
 for (adr=0;adr<0x1dffe;adr++) crc=tabcrc[(crc>>8)^fbuff[adr]]^(crc<<8);
 
 fbuff[0x1dffe]=crc>>8;
 
 fbuff[0x1dfff]=crc&0xff;
 
 
 
 makebitmap(fbuff,&header[0x40],0x1e000);
 
 makebitmap(ebuff,&header[0x7c],4096);
 
 
 
 crc=0x0000;
 
 for (i=0;i<0x7e;i++) crc=tabcrc[(crc>>8)^header[i]]^(crc<<8);
 
 header[0x7e]=crc>>8;
 
 header[0x7f]=crc&0xff;
 
 
 
 if (!f
) { printf("Can't create output file!\n"); return 1; }  
 adr=0;
 
 do
 
 {
 
  b=0xff;
 
  for (i=0;i<256;i++) b&=fbuff[adr++];
 
  if (b
!=0xff) fwrite(&fbuff
[adr
-256],256,1,f
);  
 }
 
 while (adr<0x1e000);
 
 adr=0;
 
 do
 
 {
 
  b=0xff;
 
  for (i=0;i<256;i++) b&=ebuff[adr++];
 
  if (b
!=0xff) fwrite(&ebuff
[adr
-256],256,1,f
);  
 }
 
 while (adr<4096);
 
 printf("Created file %s\n",target
);  
 return 0;
 
}