.TITLE LOGXOR ; JEFFREY KODOSKY ARL NOV75 ; ; FSUBR ; ENTRY: 1 ARG ; EXIT: 1 ARG ; ERRORS: NONE ; CALLS: EVLIS ; ATM2N ; I2ATM ; CAR ; CDR ; RI .GLOBL LOGXOR,ZLOGXOR,QEVLIS,QCAR,QCDR,QRI,QATM2N,QI2ATM LOGXOR: QEVLIS CLR -(SP) ;WORK SPACE LOG1: MOV @R5,R3 BEQ LOG2 QCDR MOV R3,-(R5) QCAR QATM2N BCC .+4 QRI MOV (SP)+,R0 MOV R0,R1 BIC @SP,R1 BIC R0,@SP BIS R1,@SP BR LOG1 LOG2: TST (R5)+ QI2ATM .WORD 0 ZLOGXOR=.-LOGXOR .END