diff lab4/test/bitnot.p @ 0:bfdcc3820b32

Basis
author Mike Spivey <mike@cs.ox.ac.uk>
date Thu, 05 Oct 2017 08:04:15 +0100
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/lab4/test/bitnot.p	Thu Oct 05 08:04:15 2017 +0100
@@ -0,0 +1,40 @@
+(* Bitwise NOT function *)
+
+var x: integer;
+begin
+  x := 314159265;
+  x := bitnot(x);
+  print_num(x); newline()
+end.
+
+(*<<
+-314159266
+>>*)
+
+(*[[
+@ picoPascal compiler output
+	.include "fixup.s"
+	.global pmain
+
+	.text
+pmain:
+	mov ip, sp
+	stmfd sp!, {r4-r10, fp, ip, lr}
+	mov fp, sp
+@   x := 314159265;
+	set r4, #314159265
+	set r5, _x
+	str r4, [r5]
+@   x := bitnot(x);
+	mvn r4, r4
+	str r4, [r5]
+@   print_num(x); newline()
+	mov r0, r4
+	bl print_num
+	bl newline
+	ldmfd fp, {r4-r10, fp, sp, pc}
+	.ltorg
+
+	.comm _x, 4, 4
+@ End
+]]*)