/ / / sign & dsign fortran functions .globl sign. .globl dsign. .globl retrn .globl temp .globl rerr dsign.: temp .+2 setd br 1f sign.: temp .+2 setf 1: cmp *2(sp),$2 bne 2f movf *2(r3),r0 absf r0 tstf *4(r3) cfcc bge 1f negf r0 1: movf r0,temp jmp retrn 2: jsr r5,rerr; 12.