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- %qstrs.ccc
- * query stairs limits, nested
- :a
- ascii c100 r13
- if r13 eq 32 :b
- mess illegal command, use \GEOM first !
- getwe
- goto :a
- :b
- resoff
- r13=1
- i50=1
- ovl filprm
- i50=0
- ovl ermes
- ascii c209 r7
- if r7 eq 110 :n
- if r7 eq 114 :r
- if r7 eq 116 :t
- mess illegal parameter, query rise, tread or no. of steps
- getwe
- goto :E
- :n
- mess limits of no. are: Min.: #x4 , Max.: #y4 (2H+B= #x1 - #y1 )
- getw
- goto :E
- :r
- mess limits of rise are: Min.: #x2 , Max.: #y2 (2H+B= #x1 - #y1 )
- getw
- goto :E
- :t
- mess limits of tread are: Min.: #x3 , Max.: #y3 (2H+B= #x1 - #y1 )
- getw
- :E
- resume