Master/upx
1
0
Fork 0
Code Issues Pull Requests Actions 1 Packages Projects Releases Wiki Activity

dos/com&sys: correctly set carry bit by using "sub si,-xx" instead of "add si,xx"

Browse Source
This commit is contained in:
László Molnár
2006-11-06 17:54:37 +01:00
parent 387edcf4b2
commit 375f171e47
8 changed files with 905 additions and 894 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/p_com.cpp
+2 -2
View File
@@ -101,7 +101,7 @@ void PackCom::patchLoader(OutputFile *fo,
{
const int e_len = getLoaderSectionStart("COMCUTPO");
const int d_len = lsize - e_len;
assert(e_len > 0 && e_len < 256);
assert(e_len > 0 && e_len < 128);
assert(d_len > 0 && d_len < 256);
const unsigned upper_end = ph.u_len + ph.overlap_overhead + d_len + 0x100;
@@ -116,7 +116,7 @@ void PackCom::patchLoader(OutputFile *fo,
linker->defineSymbol("bytes_to_copy", ph.c_len + lsize);
linker->defineSymbol("copy_source", ph.c_len + lsize + 0x100);
linker->defineSymbol("copy_destination", upper_end);
// should not redefine COMCUTPO here
linker->defineSymbol("neg_e_len", 0 - e_len);
linker->defineSymbol("NRV2B160", ph.u_len + ph.overlap_overhead);
linker->relocate();