wip

blk/288

@@ -4,7 +4,7 @@ PC ORG @ 0x22 + ! ( litWord, 0xf7, tight on the 0x100 limit )
   called, puts the string's address on PS )
     IY PUSHqq, HL POPqq, ( <-- IP )
     E (HL) LDrr, D 0 LDrn,
-    DE INCss, DE INCss,
+    DE INCss,
     DE ADDIYss,
-    HL INCss, HL PUSHqq,
+    HL PUSHqq,
     JPNEXT,

blk/289

@@ -1,5 +1,5 @@
 ( Name of BOOT word )
-4 A, L1 BSET 'B' A, 'O' A, 'O' A, 'T' A,
+L1 BSET 4 A, 'B' A, 'O' A, 'O' A, 'T' A,
 
 PC ORG @ 1 + ! ( main )
 ( STACK OVERFLOW PROTECTION: See B76 )

blk/291

@@ -5,7 +5,7 @@ PC ORG @ 4 + ! ( find )
     BC PUSHqq,
     HL PUSHqq,
 	( First, figure out string len )
-    HL DECss, A (HL) LDrr, A ORr,
+    A (HL) LDrr, A ORr,
 	( special case. zero len? we never find anything. )
     IFNZ, ( fail-B296 )
 ( Let's do something weird: We'll hold HL by the *tail*.

blk/298

@@ -1,6 +1,6 @@
 6 A, '(' A, 'u' A, 'f' A, 'l' A, 'w' A, ')' A,
 L2 BSET ( abortUnderflow )
-    HL PC 6 - LDddnn,
+    HL PC 7 - LDddnn,
     DE RAMSTART 0x02 + LDdd(nn),   ( RAM+02 == CURRENT )
     0x03 BCALL, ( find )
     0x33 BJP,   ( 33 == execute )

blk/328

@@ -1,6 +1,5 @@
 CODE S=
     DE POPqq, HL POPqq, chkPS,
-    HL DECss, DE DECss,
     LDA(DE),
     (HL) CPr,
     IFZ, ( same size? )

blk/357

@@ -1,4 +1,4 @@
-: _ ( a len -- n f )
+: _ ( a+1 len -- n f )
     OVER C@ ( a len c )
     '-' = IF
         1- SWAP 1+ SWAP ( a+1 len-1 ) _ 0 ROT ( f 0 n )
@@ -6,6 +6,6 @@
     THEN ( a len )
     0 SWAP ( len ) 0 DO ( a r )
         OVER I + C@ ( a r c ) _pdacc ( a r f )
-        IF DROP 0 UNLOOP EXIT THEN LOOP ( a r )
+        IF DROP 1- 0 UNLOOP EXIT THEN LOOP ( a r )
     NIP 1 ;
-: (parsed) ( a -- n f ) DUP 1- C@ ( a l ) _ ;
+: (parsed) ( a -- n f ) C@+ ( a+1 l ) _ ;

blk/358

@@ -3,9 +3,9 @@
 
 : (parsec)          ( a -- n f )
     ( apostrophe is ASCII 39 )
-    DUP C@ 39 = OVER 2+ C@ 39 = AND     ( a f )
+    DUP 1+ C@ 39 = OVER 3 + C@ 39 = AND  ( a f )
     NOT IF 0 EXIT THEN   ( a 0 )
     ( surrounded by apos, good, return )
-    1+ C@ 1                             ( n 1 )
+    2+ C@ 1                             ( n 1 )
 ;
 

blk/360

@@ -1,9 +1,9 @@
 : (parseh)          ( a -- n f )
-    ( '0': ASCII 0x30 'x': 0x78 0x7830: 30768 )
-    DUP @ 30768 = NOT IF 0 EXIT THEN    ( a 0 )
+    ( '0': ASCII 0x30 'x': 0x78 0x7830 )
+    DUP 1+ @ 0x7830 = NOT IF 0 EXIT THEN ( a 0 )
     ( We have "0x" prefix )
-    DUP 1- C@ ( a len )
-    0 SWAP ( len ) 2 DO ( a r )
+    DUP C@ ( a len )
+    0 SWAP 1+ ( len+1 ) 3 DO ( a r )
         OVER I + C@ ( a r c ) _ ( a r n )
         DUP 0< IF 2DROP 0 UNLOOP EXIT THEN
         SWAP 4 LSHIFT + ( a r*16+n ) LOOP

blk/362

@@ -1,9 +1,9 @@
 : (parseb)          ( a -- n f )
-    ( '0': ASCII 0x30 'b': 0x62 0x6230: 25136 )
-    DUP @ 25136 = NOT IF 0 EXIT THEN    ( a 0 )
+    ( '0': ASCII 0x30 'b': 0x62 0x6230 )
+    DUP 1+ @ 0x6230 = NOT IF 0 EXIT THEN ( a 0 )
     ( We have "0b" prefix )
-    DUP 1- C@ ( a len )
-    0 SWAP ( len ) 2 DO ( a r )
+    DUP C@ ( a len )
+    0 SWAP 1+ ( len+1 ) 3 DO ( a r )
         OVER I + C@ ( a r c ) _ ( a r n )
         DUP 0< IF 2DROP 0 UNLOOP EXIT THEN
         SWAP 1 LSHIFT + ( a r*2+n ) LOOP

blk/366

@@ -1,15 +1,13 @@
 ( Read word from C<, copy to WORDBUF, null-terminate, and
   return WORDBUF. )
 : _wb 0x0e RAM+ ;
-: _eot 4 _wb ! _wb ;
+: _eot 0x0401 _wb ! _wb ;
 : WORD
     _wb 1+ TOWORD ( a c )
     DUP EOT? IF 2DROP _eot EXIT THEN
     BEGIN
-        ( We take advantage of the fact that char MSB is
-          always zero to pre-write our null-termination )
-        OVER ! 1+ C< ( a c )
-        OVER 0x2d ( 2e-1 for NULL ) RAM+ = OVER WS? OR
+        OVER C! 1+ C< ( a c )
+        OVER 0x2e RAM+ = OVER WS? OR
     UNTIL ( a c )
     SWAP _wb - 1- ( ws len ) _wb C!
-    EOT? IF _eot ELSE _wb 1+ THEN ;
+    EOT? IF _eot ELSE _wb THEN ;

blk/371

@@ -1,5 +1,5 @@
 : [entry] ( w -- )
-    1- C@+ ( w+1 len ) TUCK MOVE, ( len )
+    C@+ ( w+1 len ) TUCK MOVE, ( len )
     ( write prev value )
     H@ CURRENT @ - ,
     C, ( write size )

blk/381

@@ -1,7 +1,7 @@
 : EMIT
     ( 0x53==(emit) override )
     0x53 RAM+ @ ?DUP IF EXECUTE ELSE (emit) THEN ;
-: (print) 1- C@+ ( a len ) 0 DO C@+ EMIT LOOP DROP ;
+: (print) C@+ ( a len ) 0 DO C@+ EMIT LOOP DROP ;
 : BS 8 EMIT ; : LF 10 EMIT ; : CR 13 EMIT ;
 : CRLF CR LF ; : SPC 32 EMIT ;
 : NL 0x0a RAM+ @ ( NLPTR ) ?DUP IF EXECUTE ELSE CRLF THEN ;

blk/382

@@ -4,7 +4,7 @@
     AGAIN ;
 : LIT"
     34 , ( litWord ) H@ 0 C, ,"
-    DUP H@ -^ 1- ( a len ) SWAP C! 0 C,
+    DUP H@ -^ 1- ( a len ) SWAP C!
 ; IMMEDIATE
 : ." [COMPILE] LIT" COMPILE (print) ; IMMEDIATE
 : ABORT" [COMPILE] ." COMPILE ABORT ; IMMEDIATE

blk/392

@@ -1,6 +1,6 @@
 : INTERPRET
     BEGIN
-    WORD DUP C@ EOT? IF DROP EXIT THEN
+    WORD DUP @ 0x0401 = ( EOT ) IF DROP EXIT THEN
     FIND NOT IF (parse) ELSE EXECUTE THEN
     C<? NOT IF SPC LIT< ok (print) NL THEN
     AGAIN ;

blk/399

@@ -1,4 +1,4 @@
-: LIT< WORD 34 , 1- DUP C@ 1+ MOVE, 0 C, ; IMMEDIATE
+: LIT< WORD 34 , DUP C@ 1+ MOVE, ; IMMEDIATE
 : BEGIN H@ ; IMMEDIATE
 : AGAIN COMPILE (br) H@ - _bchk , ; IMMEDIATE
 : UNTIL COMPILE (?br) H@ - _bchk , ; IMMEDIATE