ed and VE: add command Y

It simplifies things. Also, removed ';' which became useless.

blk/101

@@ -12,5 +12,5 @@ F xxx: find typed FBUF in block, starting from current
        position+1. If not found, don't move.
 I xxx: insert typed IBUF at cursor. "I" shadows core word. Use
        "i" to access it.
-X ( n -- ): Delete X chars after cursor and place in IBUF.
-E: Run X with n = length of FBUF.
+Y: Copy n characters after cursor into IBUF, n being length of
+   FBUF.                                                (cont.)

blk/102

@@ -0,0 +1,2 @@
+X ( n -- ): Delete X chars after cursor and place in IBUF.
+E: Run X with n = length of FBUF.

blk/112

@@ -8,4 +8,4 @@
     SWAP 0 FILL
     EDPOS @ 64 / _pln ;
 : E FBUF _blen X ;
-
+: Y FBUF _blen icpy ;

blk/121

@@ -13,4 +13,4 @@ saved beforehand.
 
 '[' and ']' advances the selected block by "modifier".
 
-';' resets the modifier. 'q' quits.                     (cont.)
+                                                        (cont.)

blk/122

@@ -6,11 +6,11 @@
 'w' moves forward by "modifier" words. 'b' moves backward.
 'W' moves to end-of-word. 'B', backwards.
 
-'I', 'F', 'X' and 'E' invoke the corresponding command from the
-Block Editor (B100). Refer to documentation there.
+'I', 'F', 'Y', 'X' and 'E' invoke the corresponding command
+from the Block Editor (B100). Refer to documentation there.
 
 'o' inserts a blank line after the cursor. 'O', before.
 
-'D' deletes "modifier" lines at the cursor.
-
+'D' deletes "modifier" lines at the cursor. The first of those
+lines is copied to IBUF.
                                                         (cont.)

blk/126

@@ -1,7 +1,6 @@
 CREATE CMD 2 C, '$' C, 0 C,
 VARIABLE PREVPOS
-: 0acc 0 ACC ! ;
-: acc@ ACC @ 1 MAX 0acc ;
+: acc@ ACC @ 1 MAX ;
 : num ACC @ SWAP _pdacc IF DROP ELSE ACC ! THEN ;
 : nspcs ( n -- , spit n space ) 0 DO SPC LOOP ;
 : aty 0 SWAP AT-XY ;

blk/128

@@ -1,12 +1,12 @@
-: $; 0acc ;
-: $g ACC @ selblk 0acc ;
+: $g ACC @ selblk ;
 : $[ BLK> @ acc@ - selblk ;
 : $] BLK> @ acc@ + selblk ;
 : $I mode! 'I' EMIT IBUF 1 buftype _I contents mode! SPC ;
 : $F mode! 'F' EMIT FBUF 2 buftype _F setpos mode! SPC ;
+: $Y Y ;
 : $E E contents ;
 : $X acc@ X contents ;
 : $h -1 cmv ; : $l 1 cmv ; : $k -64 cmv ; : $j 64 cmv ;
-: $H 0acc EDPOS @ 0x3c0 AND pos! ;
-: $L 0acc EDPOS @ 0x3f OR pos! ;
+: $H EDPOS @ 0x3c0 AND pos! ;
+: $L EDPOS @ 0x3f OR pos! ;
 

blk/130

@@ -10,5 +10,6 @@
 : $O EDPOS @ 0x3c0 ( 15 * 64 ) >= IF EXIT THEN
     _U EDPOS @ 0x3c0 AND DUP pos! _cpos _zbuf BLK!! contents ;
 : $o EDPOS @ 64 < IF EXIT THEN EDPOS @ 64 + EDPOS ! $O ;
-: $D acc@ 0 DO 16 EDPOS @ 64 / DO i _mvln- LOOP LOOP
+: $D $H 64 icpy
+    acc@ 0 DO 16 EDPOS @ 64 / DO i _mvln- LOOP LOOP
     BLK!! contents ;

blk/131

@@ -1,7 +1,7 @@
 : handle ( c -- f )
     DUP '0' '9' =><= IF num 0 EXIT THEN
     DUP CMD 2+ C! CMD FIND IF EXECUTE ELSE DROP THEN
-    UPPER 'Q' = ;
+    0 ACC ! UPPER 'Q' = ;
 : bufp ( buf -- )
     DUP 64 + SWAP DO i C@ 0x20 MAX EMIT LOOP ;
 : bufs
@@ -9,6 +9,6 @@
     2 aty ." F: " FBUF bufp ;
 : c<over KEY DUP EMIT DUP 0x0a = IF DROP 0x0d THEN ;
 : VE ['] c<over 0x08 ( C< override ) RAM+ !
-    clrscr 0acc 0 PREVPOS ! contents
+    clrscr 0 ACC ! 0 PREVPOS ! contents
     BEGIN status bufs setpos KEY handle UNTIL
     0 0x08 RAM+ ! 19 aty ;