dasm: init at 2.20.13

Co-authored-by: Daniel Schaefer <git@danielschaefer.me>

pkgs/development/compilers/dasm/default.nix

@@ -0,0 +1,34 @@
+{ stdenv, fetchFromGitHub }:
+
+stdenv.mkDerivation rec {
+  pname = "dasm";
+  version = "2.20.13";
+
+  src = fetchFromGitHub {
+    owner = "dasm-assembler";
+    repo = "dasm";
+    rev = version;
+    sha256 = "1nr4kvw42vyc6i4p1c06jlih11rhbjjxc27dc7cx5qj635xf4jcf";
+  };
+
+  configurePhase = false;
+  installPhase = ''
+    mkdir -p $out/bin
+    install bin/* $out/bin
+  '';
+
+  preCheck = ''
+    patchShebangs ./test/
+  '';
+
+  checkTarget = "test";
+  doCheck = true;
+
+  meta = with stdenv.lib; {
+    description = "Assembler for 6502 and other 8-bit microprocessors";
+    homepage = "https://dasm-assembler.github.io";
+    license = licenses.gpl2;
+    maintainers = [ maintainers.jwatt ];
+    platforms = platforms.all;
+  };
+}

pkgs/top-level/all-packages.nix

@@ -8212,6 +8212,8 @@ in
 
   scry = callPackage ../development/tools/scry {};
 
+  dasm = callPackage ../development/compilers/dasm/default.nix { };
+
   dbmate = callPackage ../development/tools/database/dbmate { };
 
   devpi-client = python3Packages.callPackage ../development/tools/devpi-client {};