diff --git a/src/crt.S b/src/crt.S
index 62d67b9..59c915b 100644
--- a/src/crt.S
+++ b/src/crt.S
@@ -3,20 +3,22 @@
 .global irqCallback
 
     .section	.start_jump,"ax",@progbits
-crtStart:
+
+crtStart:           // 0x 8000 0000
   //long jump to allow crtInit to be anywhere
   //do it always in 12 bytes
   lui x2,       %hi(crtInit)
   addi x2, x2,  %lo(crtInit)
   jalr x1,x2
-  nop
+  nop               // 0x 8000 0010
 
 .section .text
 
 .global  trap_entry
-.align 5
+.align 5            //2^5 = 32 = 0x 20   
 trap_entry:
-  sw x1,  - 1*4(sp)
+
+  sw x1,  - 1*4(sp) // 0x 8000 0020
   sw x5,  - 2*4(sp)
   sw x6,  - 3*4(sp)
   sw x7,  - 4*4(sp)
diff --git a/src/main.cpp b/src/main.cpp
index 1e0756c..068fe55 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -57,10 +57,11 @@ int main() {
         TIMER_INTERRUPT->PENDINGS = 0xF;
         TIMER_INTERRUPT->MASKS = 0x1;
 
-    while(1){
-    
-    ++mati;
+    // Thread 0
+    while( 1){
+    	++mati;
     }
+
 }
 
 extern "C" void irqCallback(){