Retro/pcem
Watch
1
0
Fork
You've already forked pcem
 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Re-implemented FDC Read a Track command. King's Quest 1 booter works again.

Browse source
This commit is contained in:
TomW 2015-10-04 17:52:38 +01:00
commit fba5891d95
4 changed files with 56 additions and 39 deletions
Download patch file Download diff file Expand all files Collapse all files

6
src/disc_fdi.c
View file

@ -303,6 +303,8 @@ void fdi_poll()
fdi_inread = fdi_inreadaddr = 0;
return;
}
if (fdi_sector == SECTOR_FIRST)
fdi_sector = SECTOR_NEXT;
}
if (pollbitsleft)
{
@ -322,7 +324,7 @@ void fdi_poll()
if (!pollbytesleft)
{
// pclog("Header over %i,%i %i,%i\n", fdi_sectordat[0], fdi_sectordat[2], fdi_track, fdi_sector);
if ((fdi_sectordat[0] == fdi_track && fdi_sectordat[2] == fdi_sector) || fdi_inreadaddr)
if ((fdi_sectordat[0] == fdi_track && (fdi_sectordat[2] == fdi_sector || fdi_sector == SECTOR_NEXT)) || fdi_inreadaddr)
{
crc = (fdi_density) ? 0xcdb4 : 0xffff;
calccrc(0xFE);
@ -348,7 +350,7 @@ void fdi_poll()
return;
}
// pclog("Sector %i,%i %i,%i\n", fdi_sectordat[0], fdi_sectordat[2], fdi_track, fdi_sector);
if (fdi_sectordat[0] == fdi_track && fdi_sectordat[2] == fdi_sector && fdi_inread && !fdi_inreadaddr)
if (fdi_sectordat[0] == fdi_track && (fdi_sectordat[2] == fdi_sector || fdi_sector == SECTOR_NEXT) && fdi_inread && !fdi_inreadaddr)
{
fdi_nextsector = 1;
readidpoll = 0;