X-Git-Url: http://cloudbase.mooo.com/gitweb/z180-stamp.git/blobdiff_plain/1157e75889d3d6d23d1e2514f401cd5b354bd149..be84a704bf7cb5505c42486e4ace33abab48470d:/avr/z80-if.c

diff --git a/avr/z80-if.c b/avr/z80-if.c
index 21ffeac..c49d214 100644
--- a/avr/z80-if.c
+++ b/avr/z80-if.c
@@ -168,7 +168,7 @@ static void z80_addrbus_set_tristate(void)
 	DDR_ADL = 0;
 	P_ADH = 0;
 	DDR_ADH = 0;
-	PIN_ADB = P_ADB & ~(MASK(ADB_WIDTH) << ADB_SHIFT);
+	PIN_ADB = P_ADB & (MASK(ADB_WIDTH) << ADB_SHIFT);
 	DDR_ADB = DDR_ADB & ~(MASK(ADB_WIDTH) << ADB_SHIFT);
 }