1 
 2 " BEGIN INCLUDE FILE: lisp_unmkd_pdl.incl.alm
 3 "
 4 " D.A.Moon 14 July 72
 5 
 6 "offsets within the frame structure used to put control info on the unmarked pdl
 7 
 8           equ       frame.prev_frame,0  left half           rel ptr to previous frame same type
 9           equ       frame.stack_ptr,0   right half          rel(stack_ptr) when frame created
10           equ       frame.dat1,1        left half
11           equ       frame.dat2,1        right half
12           equ       frame.ret,2         4-word pl1 label variable, where to return to on event.
13 
14 " END INCLUDE FILE lisp_unmkd_pdl.incl.alm