; Primitives updated from "Blue tape" 12/8/77 PRIM : 28 PRIM NUTR 61, PRIM DNTR 62, PRIM UPTR 63, PRIM FIG 64 PRIM ROT 67 PRIM MOVE 65 PRIM EXTR 91 PRIM STOP 100 :TRIANGLE 4!0 4000 2000 -4000 -2000 -4000 0 4000 NUTR,DNTR,FIG TRIANGLE,ROT -90,MOVE 1000 1000,UPTR,EXTR(1) STOP