zxcc 0.5.7

Closes Homebrew/legacy-homebrew#25520.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>

Formula/zxcc.rb

@@ -0,0 +1,34 @@
+require 'formula'
+
+class Zxcc < Formula
+  homepage 'http://www.seasip.info/Unix/Zxcc/'
+  url 'http://www.seasip.info/Unix/Zxcc/zxcc-0.5.7.tar.gz'
+  sha1 'cc088ef24b2a62fc2673a593982dd62c16136f18'
+
+  depends_on :libtool
+
+  def install
+    system "./configure", "--prefix=#{prefix}"
+    system "make"
+    system "make check"
+    system "make install"
+  end
+
+  test do
+    code = [
+      0x11, 0x0b, 0x01,   # 0100 ld de,010bh
+      0x0e, 0x09,         # 0103 ld c,cwritestr
+      0xcd, 0x05, 0x00,   # 0105 call bdos
+      0xc3, 0x00, 0x00,   # 0108 jp warm
+      0x48, 0x65, 0x6c,   # 010b db "Hel"
+      0x6c, 0x6f, 0x24    # 010e db "lo$"
+    ].pack("c*")
+
+    path = testpath/"hello.com"
+    path.open("wb") { |f| f.write code }
+
+    output = `#{bin}/zxcc #{path}`.strip
+    assert_equal "Hello", output
+    assert_equal 0, $?.exitstatus
+  end
+end