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Test maze scripts using subroutines instead of stored procedures. (Avoid leftover buffers after execution).
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87
blindmaz.cmd
87
blindmaz.cmd
@ -4,13 +4,14 @@
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# either maze.cmd, sharpmaz.cmd or floodmaz.cmd
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execute-file floodmaz.cmd
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set %meml $curline # save entrance location
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set %memc $curcol
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set %x &add %memc 1
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set %y %meml
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set %dotc &asc "•" # alternatively use "."
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set $curchar %dotc
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set %x &add $curcol 1
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set %y $curline
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end-of-line
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set %stopcol &sub $curcol 1
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# X-Y offset for absolute direction: east, south, west, north
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set %DX0 1
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set %DY0 0
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set %DX1 0
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@ -20,53 +21,41 @@ set %DY2 0
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set %DX3 0
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set %DY3 -1
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set %dotc &asc "•" # alternatively use "."
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!store peep
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set %OX &ind &cat "%DX" %nD
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set %OY &ind &cat "%DY" %nD
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set %nx &add %x %OX
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set %ny &add %y %OY
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set $curline %ny
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set $curcol %nx
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!if &or &equ $curchar 32 &equ $curchar %dotc
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!if &equ $curchar 32
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set %C %dotc
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!else
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set %C &asc " " # erase when backtracking (or highlight)
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!endif
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set %D %nD
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set $curchar %C
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set $curline %y
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set $curcol %x
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set $curchar %C
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set %x &add %nx %OX
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set %y &add %ny %OY
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set $curline %y
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set $curcol %x
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set %res TRUE
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!else
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set %res FALSE
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!endif
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update-screen
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!endm
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set %D 0 # looking EAST
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set %absD 0 # absolute direction: looking EAST
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!while &les %x %stopcol
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set %nD &mod &add %D 3 4 # Can go left?
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run peep
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!if ¬ %res
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set %nD %D # Can go straight?
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run peep
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!if ¬ %res
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set %nD &mod &add %D 1 4 # Can go right?
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run peep
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!if ¬ %res
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set %D &mod &add %D 2 4 # Go back!
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# try move on left, right or front
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set %relD 3 # 3, 0, 1, 2 == left, front, right, back
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!while ¬ &equ %relD 2
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set %newD &mod &add %absD %relD 4
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set %offX &ind &cat "%DX" %newD
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set %offY &ind &cat "%DY" %newD
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set %nx &add %x %offX
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set %ny &add %y %offY
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set $curline %ny
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set $curcol %nx
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!if &or &equ $curchar 32 &equ $curchar %dotc
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!if &equ $curchar 32
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set %C %dotc
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!else
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set %C &asc " " # erase (or highlight) when backtracking
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!endif
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set %absD %newD
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set $curchar %C
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set $curline %y
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set $curcol %x
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set $curchar %C
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set %x &add %nx %offX
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set %y &add %ny %offY
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update-screen
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!goto moveon
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!endif
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!endif
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set %relD &mod &add %relD 1 4
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!endwhile
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# else turn around
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set %absD &mod &add %absD 2 4 # face back!
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:moveon
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!endwhile
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set $curline %meml
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set $curcol %memc
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set $curline %y
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set $curcol %x
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unmark-buffer
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69
floodmaz.cmd
69
floodmaz.cmd
@ -1,4 +1,4 @@
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## floodmaz.cmd -- solve maze by painting right wall
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## floodmaz.cmd -- solve maze by painting wall on the right
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# 6 set $seed
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# either maze.cmd or sharpmaz.cmd
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@ -8,39 +8,9 @@ set %thisbuf $cbufname
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set %meml $curline
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set %memc $curcol
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!store pushxy # push x y
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set %x $curcol
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set %y $curline
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select-buffer stack
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beginning-of-file
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insert-string %x
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newline
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insert-string %y
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newline
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select-buffer %thisbuf
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!endm
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!store popxy # pop x y
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select-buffer stack
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beginning-of-file
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set %x $line
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1 kill-to-end-of-line
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set %y $line
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1 kill-to-end-of-line
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select-buffer %thisbuf
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set $curline %y
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set $curcol %x
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!endm
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!store probe
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!if ¬ &or &equ $curchar %NC &equ $curchar 32
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run pushxy
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!endif
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!endm
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set $curline 1
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set $curcol 0
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run pushxy #push stop position
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!gosub pushxy #push stop position
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set %x 1
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set $curline 4
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set $curcol %x
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@ -51,16 +21,25 @@ set %NC &asc "█"
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set %cc $curcol
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set %ll $curline
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set $curcol &add %cc 1
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run probe
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!gosub probe
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set $curcol &add %cc -1
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run probe
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!gosub probe
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set $curline &add %ll 1
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set $curcol %cc
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run probe
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!gosub probe
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set $curline &add %ll -1
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set $curcol %cc
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run probe
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run popxy
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!gosub probe
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# pop x y
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select-buffer stack
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beginning-of-file
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set %x $line
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1 kill-to-end-of-line
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set %y $line
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1 kill-to-end-of-line
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select-buffer %thisbuf
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set $curline %y
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set $curcol %x
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!endwhile
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set $curline %meml
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@ -70,3 +49,19 @@ unmark-buffer
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select-buffer %thisbuf
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unmark-buffer
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delete-buffer stack
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!return
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:probe
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!if ¬ &or &equ $curchar %NC &equ $curchar 32
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:pushxy # push x y
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set %x $curcol
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set %y $curline
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select-buffer stack
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beginning-of-file
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insert-string %x
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newline
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insert-string %y
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newline
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select-buffer %thisbuf
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!endif
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!return
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23
sharpmaz.cmd
23
sharpmaz.cmd
@ -15,13 +15,6 @@ set %old $line
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set $line %spaces
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next-line
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!store check
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!if ¬ &equ $curchar 32
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set %v &add %v %inc
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!endif
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set %inc &tim %inc 2
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!endm
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!while &less $curline %el
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set $curcol 1
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!while &less $curcol %ec
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@ -29,15 +22,15 @@ next-line
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set %v 0
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set %inc 1
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previous-line
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run check
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!gosub check
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next-line
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backward-character
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run check
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!gosub check
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2 forward-character
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run check
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!gosub check
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next-line
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backward-character
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run check
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!gosub check
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previous-line
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# alternatively use single width "╳╵╴┘╶└─┴╷│┐┤┌├┬┼"
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set $curchar &asc &mid "╳╹╸┛╺┗━┻╻┃┓┫┏┣┳╋" &add %v 1 1
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@ -51,3 +44,11 @@ beginning-of-file
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set $line %old
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set $curline %meml
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set $curcol %memc
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!return
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:check
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!if ¬ &equ $curchar 32
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set %v &add %v %inc
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!endif
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set %inc &tim %inc 2
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!return
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