1 files changed, 26 insertions, 0 deletions
diff --git a/size.pl b/size.pl
new file mode 100644
index 0000000..f6cb19f
--- /dev/null
+++ b/size.pl
@@ -0,0 +1,26 @@
+#!/usr/bin/perl -w
+
+# from src/atari.cfg:
+my $code_start = 0x2000;
+my $stack_size = 0x0800;
+
+# from memsetup.asm:
+my $ramtop = 0xa000;
+
+open MAP, "client.xex.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 = ($ramtop - $stack_size) - $bss_end + 1;
+$code_size = $bss_start - $code_start;
+$bss_size = $bss_end - $bss_start + 1;
+
+printf "===>  code ends   at \$%04x (%d, %.1fK)\n", ($bss_start - 1), $code_size, $code_size / 1024;
+printf "===>   BSS ends   at \$%04x (%d, %.1fK)\n", $bss_end, $bss_size, $bss_size / 1024;
+printf "===> stack starts at \$%04x\n", $ramtop - $stack_size;
+printf "===> free code space \$%04x (%d, %.1fK)\n", $free, $free, $free / 1024;