.globl rewind .globl create .globl fsfile .globl w, r, a, l / / / routine to rewind read pointer of string / pointed to by r1 / / mov ...,r1 / jsr pc,rewind / rewind: mov a(r1),r(r1) rts pc / / routine to rewind write pointer of string / pointed to by r1 / / mov ...,r1 / jsr pc,create / create: mov a(r1),w(r1) mov a(r1),r(r1) rts pc / / / routine to copy read pointer of string to end of string / / mov ...,r1 / jsr pc,fsfile / fsfile: mov w(r1),r(r1) rts pc