From f90842d4decc6f9453e53785174c73674dc86a51 Mon Sep 17 00:00:00 2001
From: "B. Watson" <yalhcru@gmail.com>
Date: Tue, 12 Jan 2016 03:43:23 -0500
Subject: move memory layout around to free more code space

---
 size.pl | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100644 size.pl

(limited to 'size.pl')

diff --git a/size.pl b/size.pl
new file mode 100644
index 0000000..1d012bc
--- /dev/null
+++ b/size.pl
@@ -0,0 +1,19 @@
+#!/usr/bin/perl -w
+
+my $stack_size = oct(shift) || die "no stack size";
+
+open MAP, "<taipan.map" or die $!;
+while(<MAP>) {
+	next unless /^BSS/;
+	(undef, $bss_start, $bss_end, undef) = split /\s+/;
+	$bss_start = hex $bss_start;
+	$bss_end = hex $bss_end;
+}
+close MAP;
+
+$free = (0xbc20 - $stack_size) - $bss_end + 1;
+
+printf " code ends   at \$%04x\n", ($bss_start - 1);
+printf "  BSS ends   at \$%04x\n", $bss_end;
+printf "stack starts at \$%04x\n", 0xbc20 - $stack_size;
+printf "free code space \$%04x (%d, %.1fK)\n", $free, $free, $free / 1024;
-- 
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