Move io

input/core/print.nub

@@ -0,0 +1,29 @@
+let SYS_WRITE = 1;
+let STD_OUT = 1;
+let STD_ERR = 2;
+
+func print(msg: String) {
+    syscall(SYS_WRITE, STD_OUT, msg, strlen(msg));
+}
+
+func print(value: bool) {
+    if value {
+        print("true");
+    } else {
+        print("false");
+    }
+}
+
+func println() {
+    print("\n");
+}
+
+func println(msg: String) {
+    print(msg);
+    println();
+}
+
+func println(value: bool) {
+    print(value);
+    println();
+}

input/core/strlen.asm

@@ -0,0 +1,13 @@
+global strlen
+section .text
+
+strlen:
+    xor rax, rax
+.loop:
+    cmp byte [rdi], 0
+    jz .done
+    inc rax
+    inc rdi
+    jmp .loop
+.done:
+    ret

input/core/strlen.nub

@@ -0,0 +1 @@
+extern func strlen(msg: String): int64;