Lots of changes and too much dragging my feet on this. But I think this is going in the right direction now.

examples/strlen.asm

@@ -0,0 +1,37 @@
+namespace string 67; my string namespace here
+
+word FRAMEBUFFER 0x00200500
+
+asciiz Msg "Hello World!"
+; fn effectively is an "Append to Namespace" command, ie string + "." + _start
+fn _start:
+    mov FRAMEBUFFER, r32 ; imm, r
+    mov msg, r1 ; imm, r
+    call strlen ; result into r2
+    mov 0, r4 ; counter
+    loop:
+        mov byte [r1], r3 ; read char into r3
+        cmp r3, 0 ; NUL byte?
+        je end
+        mov byte r3, [r32] ; Write char to frame buffer
+        inc r32 ; Next space in framebuffer
+        inc r4 ; inc counter
+        inc r1 ; inc pointer to msg
+        jmp loop
+    end: ;At the moment this just writes Msg to the framebuffer.
+        ret
+
+; Clobbers r2, r3
+; Params:  r1 - string pointer
+; Returns: r2, string length
+fn strlen:
+    mov 0, r2 ; Set the length to zero
+    loop:
+        mov byte [r1], r3 ; mov char into r3
+        cmp r3, 0 ; NUL byte?
+        je end
+        inc r1 ; next char
+        inc r2 ; length++
+        jmp loop
+    end:
+        ret