int loadTRD(Floppy* flp, const char* name) {
std::ifstream file(name,std::ios::binary);
if (!file.good()) return ERR_CANT_OPEN;
file.seekg(0,std::ios::end);
size_t len = file.tellg();
if (((len & 0xfff) != 0) || (len == 0) || (len > 0xa8000)) return ERR_TRD_LEN;
// file.seekg(0x8e7,std::ios::beg);
// if (file.peek() != 0x10) return ERR_TRD_SIGN;
file.seekg(0);
flpFormat(flp);
int i=0;
unsigned char* trackBuf = new unsigned char[0x1000];
do {
file.read((char*)trackBuf,0x1000);
flpFormTRDTrack(flp,i,trackBuf);
i++;
} while (!file.eof());
delete(trackBuf);
flp->path = (char*)realloc(flp->path,sizeof(char) * (strlen(name) + 1));
strcpy(flp->path,name);
flp->flag |= FLP_INSERT;
loadBoot(flp);
flp->flag &= ~FLP_CHANGED;
return ERR_OK;
}
void disk_boot(Computer* comp, int drv, int id) {
int idx = 0;
while (boot_ft[idx] && (boot_ft[idx] != id))
idx++;
if (boot_ft[idx])
loadBoot(comp, conf.path.boot, drv);
}
int loadFDI(Floppy* flp,const char* name) {
std::ifstream file(name,std::ios::binary);
if (!file.good()) return ERR_CANT_OPEN;
unsigned char* buf = new unsigned char[14];
Sector sct;
Sector trkimg[256];
int i,j,scnt;
unsigned char fcnt,tmp;
unsigned short tmpa,tmpb,slen;
size_t tmpd,tmph,tmpt,tmps,cpos;
file.read((char*)buf,14);
if (strncmp((const char*)buf,"FDI",3) != 0) return ERR_FDI_SIGN;
bool err = (buf[3] != 0);
tmpa = buf[4] + (buf[5] << 8); // cylinders
tmpb = buf[6] + (buf[7] << 8); // heads
if ((tmpb != 1) && (tmpb != 2)) return ERR_FDI_HEAD;
tmpd = buf[10] + (buf[11] << 8); // sectors data pos
tmph = buf[12] + (buf[13] << 8) + 14; // track headers data pos
file.seekg(tmph); // read tracks data
for (i = 0; i < tmpa; i++) {
for (j = 0; j < tmpb; j++) {
// trkimg.clear();
tmpt = tmpd + getlen(&file,4);
file.seekg(2,std::ios_base::cur); // skip 2 bytes
tmp = file.get(); // sectors in disk;
for (scnt=0; scnt < tmp; scnt++) {
sct.cyl = file.get();
sct.side = file.get();
sct.sec = file.get();
sct.len = file.get();
fcnt = file.get(); // flag
sct.type = (fcnt & 0x80) ? 0xf8 : 0xfb;
tmps = tmpt + getlen(&file,2);
cpos = file.tellg(); // remember current pos
file.seekg(tmps);
slen = (128 << sct.len); // sector len
sct.data = new unsigned char[slen];
file.read((char*)sct.data,slen); // read sector data
file.seekg(cpos);
trkimg[scnt] = sct;
//trkimg.push_back(sct);
}
flpFormTrack(flp, (i << 1) + j, trkimg, tmp);
}
}
flp->flag &= ~FLP_PROTECT;
if (err) flp->flag |= FLP_PROTECT;
flp->flag |= FLP_INSERT;
loadBoot(flp);
flp->flag &= ~FLP_CHANGED;
flp->path = (char*)realloc(flp->path,sizeof(char) * (strlen(name) + 1));
strcpy(flp->path,name);
return ERR_OK;
}
//=========================================================================
// loadDDR: DDR initialization function
//=========================================================================
int loadDDR(char *name)
{
taskDelay(calcSysClkTicks(17)); /* taskDelay(1); */
if(!loadBoot())
return 0;
taskDelay(calcSysClkTicks(17)); /* taskDelay(1); */
resetSDRAM(); // without this boot fails (mem errors)
taskDelay(calcSysClkTicks(17)); /* taskDelay(1); */
#ifdef XXXXX
#ifndef DSP_BIN_COMPILED_IN
writeDDROS(name); // copy the DDR os to C6 memory
#else
loadDspDDRArray();
#endif
#endif
if( writeDDROS(name) == 1)
{
DPRINT1(-1,"'%s': copied into C6 memory",name);
}
else
{
DPRINT(-1,"Loading DSP DDR Array into C6 memory");
if ( loadDspDDRArray() == -1)
{
DPRINT(-1,"ERROR: could not load DSP DDR array into C6 memory");
return 0;
}
}
strcpy(osname,name);
taskDelay(calcSysClkTicks(17)); /* taskDelay(1); */
// send a signal to bootup program (causes a jump to adrs:0)
total_ddr_msgs=total_host_msgs=0;
return startDDR();
}