diff --git a/Cargo.lock b/Cargo.lock
index 4a13d710..33bd3581 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -213,12 +213,12 @@ dependencies = [
 [[package]]
 name = "hbbytecode"
 version = "0.1.0"
-source = "git+https://git.ablecorp.us/AbleOS/holey-bytes.git#9c4b84ce33ea6ac7fe0f1b00ee5c67718643a34a"
+source = "git+https://git.ablecorp.us/AbleOS/holey-bytes.git#3491814b4f1723e6b1f3ae485ed5d3b5cad16df0"
 
 [[package]]
 name = "hblang"
 version = "0.1.0"
-source = "git+https://git.ablecorp.us/AbleOS/holey-bytes.git#9c4b84ce33ea6ac7fe0f1b00ee5c67718643a34a"
+source = "git+https://git.ablecorp.us/AbleOS/holey-bytes.git#3491814b4f1723e6b1f3ae485ed5d3b5cad16df0"
 dependencies = [
  "hashbrown",
  "hbbytecode",
@@ -229,7 +229,7 @@ dependencies = [
 [[package]]
 name = "hbvm"
 version = "0.1.0"
-source = "git+https://git.ablecorp.us/AbleOS/holey-bytes.git#9c4b84ce33ea6ac7fe0f1b00ee5c67718643a34a"
+source = "git+https://git.ablecorp.us/AbleOS/holey-bytes.git#3491814b4f1723e6b1f3ae485ed5d3b5cad16df0"
 dependencies = [
  "hbbytecode",
 ]
diff --git a/kernel/Cargo.toml b/kernel/Cargo.toml
index 9cee4de7..e53ba452 100644
--- a/kernel/Cargo.toml
+++ b/kernel/Cargo.toml
@@ -9,7 +9,7 @@ ktest = []
 [dependencies]
 # embedded-graphics = "0.8"
 hbvm = { git = "https://git.ablecorp.us/AbleOS/holey-bytes.git", features = [
-	"nightly",
+	"nightly", "alloc", "disasm"
 ] }
 ktest_macro = { path = "ktest_macro" }
 log = "0.4"
diff --git a/kernel/src/holeybytes/mem.rs b/kernel/src/holeybytes/mem.rs
index 94d65833..a8f44958 100644
--- a/kernel/src/holeybytes/mem.rs
+++ b/kernel/src/holeybytes/mem.rs
@@ -15,8 +15,10 @@ fn calc_start_of_page(ptr: u64) -> u64 {
     panic!("unaligned");
 }
 
+#[derive(Default)]
 pub struct Memory {
     // TODO: map page aligned segments of memory into a table or some sort here
+    logger: hbvm::mem::InstrLogger,
 }
 
 impl Memory {
@@ -56,4 +58,11 @@ impl hbvm::mem::Memory for Memory {
     unsafe fn prog_read<T: Copy>(&mut self, addr: Address) -> T {
         (addr.get() as *const T).read()
     }
+
+    #[inline(always)]
+    fn log_instr(&mut self, at: Address, regs: &[hbvm::value::Value]) {
+        //log::debug!("exec: [{:02x}] {}", at.get(), unsafe {
+        //    self.logger.display_instr(at, regs)
+        //});
+    }
 }
diff --git a/kernel/src/holeybytes/mod.rs b/kernel/src/holeybytes/mod.rs
index ab68d04f..c670d894 100644
--- a/kernel/src/holeybytes/mod.rs
+++ b/kernel/src/holeybytes/mod.rs
@@ -36,7 +36,7 @@ impl ExecThread {
 
     pub unsafe fn new(program: &[u8], entrypoint: Address) -> Self {
         let mut vm = Vm::new(
-            mem::Memory {},
+            mem::Memory::default(),
             Address::new(program.as_ptr() as u64 + entrypoint.get()),
         );
 
diff --git a/sysdata/programs/test/src/tests/stn/hashers.hb b/sysdata/programs/test/src/tests/stn/hashers.hb
index 354560c0..40e0bb00 100644
--- a/sysdata/programs/test/src/tests/stn/hashers.hb
+++ b/sysdata/programs/test/src/tests/stn/hashers.hb
@@ -3,7 +3,7 @@
 test := fn(): uint {
 	target := "abcdefghijklmnop"
 	strings := .["abcdefshijklmnop", "abcdefghijklnnop", "abcdefshijklmnop", "abcdefghijklmnop", "abcdefghijflmnop", "dbcdefghijklmnop", "abcdefghijklmnop"]
-	len := @sizeof(@TypeOf(strings)) / @sizeof(^u8)
+	len := @sizeof(@TypeOf(strings)) / @sizeof([]u8)
 
 	// hasher := hashers.foldhash.FoldHasher.new(1)
 	hasher := hashers.foldhash.FoldHasher.default()
@@ -23,4 +23,4 @@ test := fn(): uint {
 	}
 	log.print("done", .{})
 	return 0
-}
\ No newline at end of file
+}