data mask/x'80000000',x'40000000',x'20000000',x'10000000', & x'08000000',x'04000000',x'02000000',x'01000000', & x'00800000',x'00400000',x'00200000',x'00100000', & x'00080000',x'00040000',x'00020000',x'00010000', & x'00008000',x'00004000',x'00002000',x'00001000', & x'00000800',x'00000400',x'00000200',x'00000100', & x'00000080',x'00000040',x'00000020',x'00000010', & x'00000008',x'00000004',x'00000002',x'00000001'/