PLS501 {
    pins 52
    array and/or {
	inputs {
	    complement+ external {
# ordinary inputs
		41, 42, 43, 44, 45, 47, 48, 49, 50, 51, 52,
		1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 13, 14,
# bidirectional inputs
		37, 38, 39, 40, 15, 16, 17, 18		
		}
	    internal {
# feedback nand terms
		200, 201, 202, 203, 204, 205, 206, 207, 208, 209, 
		210, 211, 212, 213, 214, 215, 216, 217, 218, 219, 
		220, 221, 222, 223, 224, 225, 226, 227, 228, 229, 
		230, 231, 232, 233, 234, 235, 236, 237, 238, 239, 
		240, 241, 242, 243, 244, 245, 246, 247, 248, 249, 
		250, 251, 252, 253, 254, 255, 256, 257, 258, 259, 
		260, 261, 262, 263, 264, 265, 266, 267, 268, 269, 
		270, 271
		}
	} # end inputs
	outputs {
	    external {
# bi pins (and their enables)
		37, 38, 39, 40,
		15, 115, 16, 116, 17, 117, 18, 118,
# xor pins (pin,pin+50) and enables (note they're bused)
		28, 78, 30, 80, 128|130,
		32, 82, 35, 85, 132|135,
		29, 79, 31, 81, 129|131,
		33, 83, 36, 86, 133|136,
# ordinary outputs
		19, 22, 119|122,
		21, 23, 121|123,
		24, 26, 124|126,
		25, 27, 125|127
	    }
	    internal {
# feedback nand terms
		200, 201, 202, 203, 204, 205, 206, 207, 208, 209, 
		210, 211, 212, 213, 214, 215, 216, 217, 218, 219, 
		220, 221, 222, 223, 224, 225, 226, 227, 228, 229, 
		230, 231, 232, 233, 234, 235, 236, 237, 238, 239, 
		240, 241, 242, 243, 244, 245, 246, 247, 248, 249, 
		250, 251, 252, 253, 254, 255, 256, 257, 258, 259, 
		260, 261, 262, 263, 264, 265, 266, 267, 268, 269,
		270, 271
	    }
	} # end outputs
    } # end and/or array
    fuses {
		137=15776,
		138=15777,
		139=15778,
		140=15779
    }
    type "iiiiiiivii iiii44442g 2222222222 222g224444 iiiiiviiii ii"
}