6502/xa65
1
0
Fork 0
mirror of https://github.com/fachat/xa65.git synced 2025-04-19 11:38:30 +00:00
Code Issues Projects Releases Wiki Activity

xalcomments

Browse Source
This commit is contained in:
Andre Fachat 2023-11-02 11:22:04 +01:00
parent 5674202b11
commit b4d26c3545
1 changed files with 20 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

23
xa/src/xal.c
View File

@ -707,6 +707,9 @@ int ll_pdef(char *t)
return(E_NODEF);
}
/*
* Write out the list of global labels in an o65 file
*/
int l_write(FILE *fp)
{
int i, afl, n=0;
@ -716,25 +719,39 @@ int l_write(FILE *fp)
fputc(0, fp);
return 0;
}
// calculate number of global labels
for (i=0;i<afile->la.lti;i++) {
ltp=afile->la.lt+i;
if((!ltp->blk) && (ltp->fl==1)) {
n++;
}
}
// write number of globals to file
fputc(n&255, fp);
fputc((n>>8)&255, fp);
// iterate over labels and write out label
for (i=0;i<afile->la.lti;i++)
{
ltp=afile->la.lt+i;
if((!ltp->blk) && (ltp->fl==1)) {
// write global name
fprintf(fp, "%s",ltp->n);
fputc(0,fp);
// segment byte
afl = ltp->afl;
/* hack to switch undef and abs flag from internal to file format */
/*printf("label %s, afl=%04x, A_FMASK>>8=%04x\n", ltp->n, afl, A_FMASK>>8);*/
if( (afl & (A_FMASK>>8)) < SEG_TEXT) afl^=1;
// hack to switch undef and abs flag from internal to file format
// if asolute of undefined (< SEG_TEXT, i.e. 0 or 1)
// then invert bit 0 (0 = absolute)
if( (afl & (A_FMASK>>8)) < SEG_TEXT) {
afl^=1;
}
// remove residue flags, only write out real segment number
// according to o65 file format definition
afl = afl & (A_FMASK >> 8);
fputc(afl,fp);
// value
fputc(ltp->val&255, fp);
fputc((ltp->val>>8)&255, fp);
}