diff --git a/src/main/scala/MemoryBlackBox.scala b/src/main/scala/MemoryBlackBox.scala
index 3334f81..50cc148 100644
--- a/src/main/scala/MemoryBlackBox.scala
+++ b/src/main/scala/MemoryBlackBox.scala
@@ -29,18 +29,18 @@ class MemoryBlackBox(val bits: Int, val words: Int, val filename: String) extend
       |    input writeEnable1,
       |    input [BITS/8-1:0] writeMask1,
       |    input [$$clog2(WORDS)-1:0] addr1,
-      |    output logic [BITS-1:0] readData1,
+      |    output reg [BITS-1:0] readData1,
       |    input [BITS-1:0] writeData1,
       |
       |    input readEnable2,
       |    input [$$clog2(WORDS)-1:0] readAddr2,
-      |    output logic [BITS-1:0] readData2
+      |    output reg [BITS-1:0] readData2
       |);
       |
       |integer i;
-      |logic [BITS-1:0] ram[0:WORDS-1];
+      |reg [BITS-1:0] ram[0:WORDS-1];
       |
-      |always_ff@(posedge clock)
+      |always@(posedge clock)
       |begin
       |    if (writeEnable1)
       |    begin
diff --git a/toplevel.v b/toplevel.v
index 770f00c..f3738f9 100644
--- a/toplevel.v
+++ b/toplevel.v
@@ -9,7 +9,7 @@ module toplevel(
 );
 
 wire clock_out;
-logic reset_out;
+reg reset_out;
 wire lock;
 
 pll_ecp5_evn pll(
@@ -28,9 +28,9 @@ Core core(
 	.io_ledC(io_ledC)
 );
 
-logic [21:0] cnt = ~0;
+reg [21:0] cnt = ~0;
 
-always_ff@(posedge clock)
+always@(posedge clock)
 begin
 	if (~lock || ~reset)
 	begin