diff --git a/devel/ophis/Makefile b/devel/ophis/Makefile
new file mode 100644
index 00000000000..1e329a75b8e
--- /dev/null
+++ b/devel/ophis/Makefile
@@ -0,0 +1,29 @@
+# $OpenBSD: Makefile,v 1.1.1.1 2011/10/14 22:29:57 bentley Exp $
+
+COMMENT =		65xx-series cross-assembler
+
+MODPY_EGG_VERSION =	1.0
+DISTNAME =		Ophis-${MODPY_EGG_VERSION}
+PKGNAME =		${DISTNAME:L}
+
+CATEGORIES =		devel
+
+HOMEPAGE =		https://hkn.eecs.berkeley.edu/~mcmartin/ophis/
+
+# BSD
+PERMIT_PACKAGE_CDROM =		Yes
+PERMIT_PACKAGE_FTP =		Yes
+PERMIT_DISTFILES_CDROM =	Yes
+PERMIT_DISTFILES_FTP =		Yes
+
+MASTER_SITES =		${HOMEPAGE}
+
+MODULES =		lang/python
+
+NO_REGRESS =		Yes
+
+post-install:
+	${INSTALL_DATA_DIR} ${PREFIX}/share/doc/ophis
+	${INSTALL_DATA} ${WRKDIST}/doc/ophismanual.pdf ${PREFIX}/share/doc/ophis
+
+.include <bsd.port.mk>
diff --git a/devel/ophis/distinfo b/devel/ophis/distinfo
new file mode 100644
index 00000000000..6c44707025f
--- /dev/null
+++ b/devel/ophis/distinfo
@@ -0,0 +1,5 @@
+MD5 (Ophis-1.0.tar.gz) = eLQmKoW6+bKvET29Th0kwA==
+RMD160 (Ophis-1.0.tar.gz) = fOzNfEGPs7cFfTiGz9J3EQC7GpY=
+SHA1 (Ophis-1.0.tar.gz) = 5VGO/s3LI90Ok6V5ab1edvf6eVs=
+SHA256 (Ophis-1.0.tar.gz) = j9DuzlkqG62OozC1X2YmXS5njXEEkySmpHCpqXjptwM=
+SIZE (Ophis-1.0.tar.gz) = 269137
diff --git a/devel/ophis/pkg/DESCR b/devel/ophis/pkg/DESCR
new file mode 100644
index 00000000000..8355a205304
--- /dev/null
+++ b/devel/ophis/pkg/DESCR
@@ -0,0 +1,5 @@
+Ophis is a cross-assembler for the 65xx series of chips. It supports
+the stock 6502 opcodes, the 65c02 extensions, and syntax for the
+"undocumented opcodes" in the 6510 chip used on the Commodore 64.
+(Syntax for these opcodes matches those given in the VICE team's
+documentation.)
diff --git a/devel/ophis/pkg/PLIST b/devel/ophis/pkg/PLIST
new file mode 100644
index 00000000000..4adf258d753
--- /dev/null
+++ b/devel/ophis/pkg/PLIST
@@ -0,0 +1,30 @@
+@comment $OpenBSD: PLIST,v 1.1.1.1 2011/10/14 22:29:57 bentley Exp $
+bin/ophis
+lib/python${MODPY_VERSION}/site-packages/Ophis/
+lib/python${MODPY_VERSION}/site-packages/Ophis-${MODPY_EGG_VERSION}-py${MODPY_VERSION}.egg-info
+lib/python${MODPY_VERSION}/site-packages/Ophis/CmdLine.py
+lib/python${MODPY_VERSION}/site-packages/Ophis/CmdLine.pyc
+lib/python${MODPY_VERSION}/site-packages/Ophis/CorePragmas.py
+lib/python${MODPY_VERSION}/site-packages/Ophis/CorePragmas.pyc
+lib/python${MODPY_VERSION}/site-packages/Ophis/Environment.py
+lib/python${MODPY_VERSION}/site-packages/Ophis/Environment.pyc
+lib/python${MODPY_VERSION}/site-packages/Ophis/Errors.py
+lib/python${MODPY_VERSION}/site-packages/Ophis/Errors.pyc
+lib/python${MODPY_VERSION}/site-packages/Ophis/Frontend.py
+lib/python${MODPY_VERSION}/site-packages/Ophis/Frontend.pyc
+lib/python${MODPY_VERSION}/site-packages/Ophis/IR.py
+lib/python${MODPY_VERSION}/site-packages/Ophis/IR.pyc
+lib/python${MODPY_VERSION}/site-packages/Ophis/Macro.py
+lib/python${MODPY_VERSION}/site-packages/Ophis/Macro.pyc
+lib/python${MODPY_VERSION}/site-packages/Ophis/Main.py
+lib/python${MODPY_VERSION}/site-packages/Ophis/Main.pyc
+lib/python${MODPY_VERSION}/site-packages/Ophis/OldPragmas.py
+lib/python${MODPY_VERSION}/site-packages/Ophis/OldPragmas.pyc
+lib/python${MODPY_VERSION}/site-packages/Ophis/Opcodes.py
+lib/python${MODPY_VERSION}/site-packages/Ophis/Opcodes.pyc
+lib/python${MODPY_VERSION}/site-packages/Ophis/Passes.py
+lib/python${MODPY_VERSION}/site-packages/Ophis/Passes.pyc
+lib/python${MODPY_VERSION}/site-packages/Ophis/__init__.py
+lib/python${MODPY_VERSION}/site-packages/Ophis/__init__.pyc
+share/doc/ophis/
+share/doc/ophis/ophismanual.pdf