[fuse-emulator-cvs] fuse/z80 z80.pl,1.58,1.59

[Philip K. <pa...@us...>]

Update of /cvsroot/fuse-emulator/fuse/z80
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv17830/z80

Modified Files:
	z80.pl 
Log Message:
Improved contended memory timings for EX (SP),HL, EX (SP),IX and EX (SP),IY
(thanks, Mark Woodmass and Jonathan Needle).


Index: z80.pl
===================================================================
RCS file: /cvsroot/fuse-emulator/fuse/z80/z80.pl,v
retrieving revision 1.58
retrieving revision 1.59
diff -C2 -d -r1.58 -r1.59
*** z80.pl	28 Apr 2004 23:30:52 -0000	1.58
--- z80.pl	30 Apr 2004 08:39:45 -0000	1.59
***************
*** 553,558 ****
  	bytetempl = readbyte( SP );
  	bytetemph = readbyte( SP + 1 ); tstates++;
! 	writebyte( SP,    $low  );
! 	writebyte( SP + 1,$high ); tstates += 2;
  	$low=bytetempl; $high=bytetemph;
        }
--- 553,558 ----
  	bytetempl = readbyte( SP );
  	bytetemph = readbyte( SP + 1 ); tstates++;
! 	writebyte( SP,     $low  );
! 	writebyte( SP + 1, $high ); contend( SP + 1, 1 ); contend( SP + 1, 1 );
  	$low=bytetempl; $high=bytetemph;
        }