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added simple extended fcb support

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Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@191
This commit is contained in:
Ulf Wohlers 2002-08-19 15:26:35 +00:00
parent 9e93d7d0c3
commit fbc882c036
1 changed files with 16 additions and 15 deletions
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31
src/dos/dos_classes.cpp
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@ -182,54 +182,55 @@ Bit8u DOS_PSP::GetFileHandle(Bitu index) {
return mem_readb(files+index);
};
#define FCB_EXTENDED (mem_readb(off)==0xFF ? 7:0)
void DOS_FCB::Set_drive(Bit8u a){
mem_writeb(off+offsetof(sFCB,drive),a);
mem_writeb(off+offsetof(sFCB,drive)+FCB_EXTENDED,a);
}
void DOS_FCB::Set_filename(char * a){
MEM_BlockWrite(off+offsetof(sFCB,filename),a,8);
MEM_BlockWrite(off+offsetof(sFCB,filename)+FCB_EXTENDED,a,8);
}
void DOS_FCB::Set_ext(char * a) {
MEM_BlockWrite(off+offsetof(sFCB,ext),a,3);
MEM_BlockWrite(off+offsetof(sFCB,ext)+FCB_EXTENDED,a,3);
}
void DOS_FCB::Set_current_block(Bit16u a){
mem_writew(off+offsetof(sFCB,current_block),a);
mem_writew(off+offsetof(sFCB,current_block)+FCB_EXTENDED,a);
}
void DOS_FCB::Set_record_size(Bit16u a){
mem_writew(off+offsetof(sFCB,record_size),a);
mem_writew(off+offsetof(sFCB,record_size)+FCB_EXTENDED,a);
}
void DOS_FCB::Set_filesize(Bit32u a){
mem_writed(off+offsetof(sFCB,filesize),a);
mem_writed(off+offsetof(sFCB,filesize)+FCB_EXTENDED,a);
}
void DOS_FCB::Set_date(Bit16u a){
mem_writew(off+offsetof(sFCB,date),a);
mem_writew(off+offsetof(sFCB,date)+FCB_EXTENDED,a);
}
void DOS_FCB::Set_time(Bit16u a){
mem_writew(off+offsetof(sFCB,time),a);
mem_writew(off+offsetof(sFCB,time)+FCB_EXTENDED,a);
}
Bit8u DOS_FCB::Get_drive(void){
return mem_readb(off+offsetof(sFCB,drive));
return mem_readb(off+offsetof(sFCB,drive)+FCB_EXTENDED);
}
void DOS_FCB::Get_filename(char * a){
MEM_BlockRead(off+offsetof(sFCB,filename),a,8);
}
void DOS_FCB::Get_ext(char * a){
MEM_BlockRead(off+offsetof(sFCB,ext),a,3);
MEM_BlockRead(off+offsetof(sFCB,ext)+FCB_EXTENDED,a,3);
}
Bit16u DOS_FCB::Get_current_block(void){
return mem_readw(off+offsetof(sFCB,current_block));
return mem_readw(off+offsetof(sFCB,current_block)+FCB_EXTENDED);
}
Bit16u DOS_FCB::Get_record_size(void){
return mem_readw(off+offsetof(sFCB,record_size));
return mem_readw(off+offsetof(sFCB,record_size)+FCB_EXTENDED);
}
Bit32u DOS_FCB::Get_filesize(void){
return mem_readd(off+offsetof(sFCB,filesize));
return mem_readd(off+offsetof(sFCB,filesize)+FCB_EXTENDED);
}
Bit16u DOS_FCB::Get_date(void){
return mem_readw(off+offsetof(sFCB,date));
return mem_readw(off+offsetof(sFCB,date)+FCB_EXTENDED);
}
Bit16u DOS_FCB::Get_time(void){
return mem_readw(off+offsetof(sFCB,time));
return mem_readw(off+offsetof(sFCB,time)+FCB_EXTENDED);
}