Add word NL

blk/062

@@ -1,11 +1,10 @@
 WORD    -- a   Read one word from buffered input and push its
                addr.
 There are also ascii const emitters:
-BS
-CR
-LF
-SPC
-
+BS CR LF SPC CRLF
+NL is an indirect word (see B80) that aliases to CRLF by
+default and that should generally be used when we want to emit
+a newline.
 
 
 

blk/081

@@ -4,7 +4,7 @@ RAMSTART  INITIAL_SP           +55       (key) override
 +04       HERE                 +59       blk's variables
 +06       C<?                  +5b       z80a's variables
 +08       C<* override         +5d       adev's variables
-+0a       RESERVED             +5f       FUTURE USES
++0a       NLPTR                +5f       FUTURE USES
 +0c       C<*                  +70       DRIVERS
 +0e       WORDBUF              +80       RAMEND
 +2e       BOOT C< PTR

blk/084

@@ -4,6 +4,9 @@ address. Most of the time, it points to RAM+2, but sometimes,
 when maintaining alternative dicts (during cross compilation
 for example), it can point elsewhere.
 
+NLPTR points to an alternative routine for NL (by default,
+CRLF).
+
 FUTURE USES section is unused for now.          
 
 DRIVERS section is reserved for recipe-specific
@@ -11,6 +14,3 @@ drivers. Here is a list of known usages:
 
 * 0x70-0x78: ACIA buffer pointers in RC2014 recipes.
 
-
-
-

blk/103

@@ -1,5 +1,5 @@
 VARIABLE ACC
-: _LIST ." Block " DUP . CRLF LIST ;
+: _LIST ." Block " DUP . NL LIST ;
 : _NUM
     ACC @ SWAP _pdacc
     IF _LIST 0 THEN

blk/130

@@ -4,8 +4,8 @@
     DUP ROT SWAP H@ 4 +         ( u src u dst )
     SWAP MOVE                   ( u )
     4 + DUP CURRENT @ WORD( +   ( u we )
-    DUP .X CRLF
-    SWAP CURRENT @ PREV + DUP .X CRLF ( we wr )
+    DUP .X NL
+    SWAP CURRENT @ PREV + DUP .X NL ( we wr )
     BEGIN                       ( we wr )
         DUP ROT                 ( wr wr we )
         H@ @ H@ 2+ @            ( wr wr we ol o )
@@ -13,4 +13,4 @@
         DUP PREV SWAP           ( wr oldwr )
         WORD( SWAP              ( we wr )
         DUP 4 - H@ <= ( are we finished? )
-    UNTIL H@ 4 + .X CRLF ;
+    UNTIL H@ 4 + .X NL ;

blk/269

@@ -1,3 +1,3 @@
 ( b1 b2 -- )
-: XPACKR 1+ SWAP DO I DUP . CRLF XPACK LOOP ;
+: XPACKR 1+ SWAP DO I DUP . NL XPACK LOOP ;
 

blk/411

@@ -4,6 +4,7 @@
     0 0x08 RAM+ !  ( 08 == C<* override )
     0 0x53 RAM+ !  ( 53 == (emit) override )
     0 0x55 RAM+ !  ( 55 == (key) override )
+    0 0x0a RAM+ !  ( NLPTR )
     ( 0c == C<* )
     LIT< (boot<) (find) DROP 0x0c RAM+ !
     ( boot< always has a char waiting. 06 == C<?* )

blk/440

@@ -3,7 +3,8 @@
 : CR 13 EMIT ;
 : CRLF CR LF ;
 : SPC 32 EMIT ;
+: NL 0x0a RAM+ @ ( NLPTR ) DUP IF EXECUTE ELSE DROP CRLF THEN ;
 
 : (wnf) (print) SPC ABORT" word not found" ;
-: (ok) SPC ." ok" CRLF ;
+: (ok) SPC ." ok" NL ;
 

blk/444

@@ -12,5 +12,5 @@
         IF DROP '.' THEN
         EMIT
     LOOP
-    CRLF
+    NL
 ;

blk/456

@@ -5,7 +5,7 @@
     16 0 DO
         I 1+ .2 SPC
         64 I * BLK( + (print)
-        CRLF
+        NL
     LOOP
 ;
 

blk/459

@@ -1,2 +1,2 @@
 ( b1 b2 -- )
-: LOADR 1+ SWAP DO I DUP . CRLF LOAD LOOP ;
+: LOADR 1+ SWAP DO I DUP . NL LOAD LOOP ;

emul/stage1.fs

@@ -19,7 +19,7 @@
     ['] EFS! BLK!* !
     RDLN$
     LIT< _sys [entry]
-    ." Collapse OS" CRLF
+    ." Collapse OS" NL
     INTERPRET
 ;