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hmm evenmore fcb functions can do a write ;)

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Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@478
This commit is contained in:
Peter Veenstra 2002-11-04 20:52:23 +00:00
parent 2526daccfc
commit 1f69ee249e
3 changed files with 4 additions and 6 deletions
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2
include/dos_inc.h
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@ -147,7 +147,7 @@ bool DOS_FCBClose(Bit16u seg,Bit16u offset);
bool DOS_FCBFindFirst(Bit16u seg,Bit16u offset);
bool DOS_FCBFindNext(Bit16u seg,Bit16u offset);
Bit8u DOS_FCBRead(Bit16u seg,Bit16u offset, Bit16u numBlocks);
bool DOS_FCBWrite(Bit16u seg,Bit16u offset,Bit16u numBlocks);
Bit8u DOS_FCBWrite(Bit16u seg,Bit16u offset,Bit16u numBlocks);
Bit8u DOS_FCBRandomRead(Bit16u seg,Bit16u offset,Bit16u numRec,bool restore);
Bit8u DOS_FCBRandomWrite(Bit16u seg,Bit16u offset,Bit16u numRec,bool restore);
bool DOS_FCBGetFileSize(Bit16u seg,Bit16u offset,Bit16u numRec);

6
src/dos/dos.cpp
View file

@ -204,8 +204,7 @@ static Bitu DOS_21Handler(void) {
LOG_DEBUG("DOS:0x14 FCB-Read used, result:al=%d",reg_al);
break;
case 0x15: /* Sequential write to FCB */
if (DOS_FCBWrite(SegValue(ds),reg_dx,0)==true) reg_al = 0x00;
else reg_al = 0x01;
reg_al=DOS_FCBWrite(SegValue(ds),reg_dx,0);
LOG_DEBUG("DOS:0x15 FCB-Write used, result:al=%d",reg_al);
break;
case 0x16: /* Create or truncate file using FCB */
@ -228,8 +227,7 @@ static Bitu DOS_21Handler(void) {
LOG_DEBUG("DOS:0x21 FCB-Random read used, result:al=%d",reg_al);
break;
case 0x22: /* Write random record to FCB */
if (DOS_FCBRandomWrite(SegValue(ds),reg_dx,1,true)) reg_al = 0x00;
else reg_al = 0x01;
reg_al=DOS_FCBRandomWrite(SegValue(ds),reg_dx,1,true);
LOG_DEBUG("DOS:0x28 FCB-Random write used, result:al=%d",reg_al);
break;
case 0x23: /* Get file size for FCB */

2
src/dos/dos_files.cpp
View file

@ -696,7 +696,7 @@ Bit8u DOS_FCBRead(Bit16u seg,Bit16u offset,Bit16u recno) {
return FCB_READ_PARTIAL;
}
bool DOS_FCBWrite(Bit16u seg,Bit16u offset,Bit16u recno)
Bit8u DOS_FCBWrite(Bit16u seg,Bit16u offset,Bit16u recno)
{
DOS_FCB fcb(seg,offset);
Bit8u fhandle,cur_rec;Bit16u cur_block,rec_size;