diff --git a/c64/aliases/,aliases_cpu.s b/c64/aliases/,aliases_cpu.s
index 2050e2af..023e7558 100644
--- a/c64/aliases/,aliases_cpu.s
+++ b/c64/aliases/,aliases_cpu.s
@@ -47,6 +47,30 @@
 }
 
 
+//
+// Some additional 65CE02 instructions
+//
+
+
+#if HAS_OPCODES_65CE02
+
+.pseudocommand dew addr
+{
+	.var arg = addr.getValue()
+	.if (arg > $FF) .error "DEW requires zeropage address"
+	.byte $C3, arg
+}
+
+.pseudocommand inw addr
+{
+	.var arg = addr.getValue()
+	.if (arg > $FF) .error "INW requires zeropage address"
+	.byte $E3, arg
+}
+
+#endif
+
+
 //
 // Stack manipulation - some CPUs will leave .A unchanged, some will use it as temporary storage, so consider .A trashed
 //
diff --git a/c64/kernal/iec/load_iec.s b/c64/kernal/iec/load_iec.s
index 0ab544ff..f609c035 100644
--- a/c64/kernal/iec/load_iec.s
+++ b/c64/kernal/iec/load_iec.s
@@ -118,8 +118,12 @@ load_iec_loop:
 
 	// Advance pointer to data; it is OK if it advances past $FFFF,
 	// one autostart technique does exactly this
+#if !HAS_OPCODES_65CE02
 	jsr lvs_advance_EAL
-	
+#else
+	inw EAL+0
+#endif
+
 	// Handle STOP key; it is probably an overkill to do it
 	// with every byte, once per 32 bytes should be enough
 	lda EAL
diff --git a/c64/kernal/iostack/load_save_common.s b/c64/kernal/iostack/load_save_common.s
index 8f43b96b..fb38606c 100644
--- a/c64/kernal/iostack/load_save_common.s
+++ b/c64/kernal/iostack/load_save_common.s
@@ -75,7 +75,7 @@ lvs_handle_byte_verify:
 	sec
 	rts
 
-#if CONFIG_IEC
+#if CONFIG_IEC && !HAS_OPCODES_65CE02
 
 lvs_advance_EAL:
 
@@ -101,10 +101,14 @@ lvs_setup_MEMUSS:
 lvs_advance_MEMUSS_check_EAL:
 
 	// Advance pointer
+#if !HAS_OPCODES_65CE02
 	inc MEMUSS+0
 	bne !+
 	inc MEMUSS+1
 !:
+#else
+	inw MEMUSS+0
+#endif
 	lda MEMUSS+1
 	cmp EAL+1
 	bne !+
diff --git a/c64/kernal/tape/tape_normal_get_marker.s b/c64/kernal/tape/tape_normal_get_marker.s
index 59f73d8e..eaa6c219 100644
--- a/c64/kernal/tape/tape_normal_get_marker.s
+++ b/c64/kernal/tape/tape_normal_get_marker.s
@@ -5,6 +5,10 @@
 // Reeturns marker type in Carry flag, set = end of data
 //
 
+
+#if CONFIG_TAPE_NORMAL
+
+
 tape_normal_get_marker:
 
 	// (L,M) - end of byte, (L,S) - end of data
@@ -14,3 +18,6 @@ tape_normal_get_marker:
 	bcs tape_normal_get_marker                             // too short for a long pulse
 
 	jmp tape_normal_get_pulse
+
+
+#endif
diff --git a/c64/kernal/time/udtim.s b/c64/kernal/time/udtim.s
index 65dc6aaf..01bb3b91 100644
--- a/c64/kernal/time/udtim.s
+++ b/c64/kernal/time/udtim.s
@@ -14,9 +14,13 @@ UDTIM:
 	// (24 hours * 60 minutes * 60 seconds * 60 jiffies),
 	// after this time we have to reset the clock.
 
+#if !HAS_OPCODES_65CE02
 	inc TIME+0
 	bne udtim_time_done   // done with clock
 	inc TIME+1
+#else
+	inw TIME+0
+#endif
 	bne udtim_clock_rollover
 	inc TIME+2