Update c64/c16 volksForth with the fixes from ultraForth 3.82

6502/C64/Makefile

@@ -34,18 +34,6 @@ debug-64: emulator/tcbase.T64 emulator/build-vf.sh \
     disks/vforth4_2.d64 disks/tc38q.d64 $(vf_fth_files_petscii)
 	emulator/build-vf.sh vf-c64-main.fth
 
-# Temporary bincmp target while the old and the new binaries are still
-# expected to be binary identical.
-# Note: There is now 1 byte difference between the
-# old c64/c16-volksforth83 and the new c64/c16-vf-reference:
-# Byte $1b64 changed from $7c (old) to $dc (new).
-# This corresponds to the ." |" string in .name (blk/page $4e).
-# Since both represent the same character in PETSCII, namely | ,
-# the difference is acceptable, and a new reference binary was set.
-bincmp: cbmfiles/c64-vf-latest cbmfiles/c16-vf-latest
-	cmp -b -l cbmfiles/c64-vf-latest tests/c64-vf-reference
-	cmp -b -l cbmfiles/c16-vf-latest tests/c16-vf-reference
-
 run-devenv: emulator/devenv.T64
 	emulator/run-in-vice.sh devenv
 
@@ -58,7 +46,7 @@ run-testbase16: emulator/testbase16.T64
 
 # Targetcompiler targets
 
-cbmfiles/tcbase: emulator/c64-volksforth83.T64 emulator/build-tcbase.sh \
+cbmfiles/tcbase: emulator/c64-vf-390.T64 emulator/build-tcbase.sh \
     disks/tc38q.d64 disks/file-words.d64 cbmfiles/tc-base.fth
 	emulator/build-tcbase.sh
 

6502/C64/disks/file-words.fth

@@ -281,17 +281,17 @@
 
 \ *** Block No. 10, Hexblock a
 
-\ include loadscreen           30jun20pz
+\ include loadscreen           19jul20pz
 
 
-  : i/o-status?  $90 c@ ;
+\ : i/o-status?  $90 c@ ;
 
   : dos-error  ( dev -- )
    15 busin
    BEGIN bus@ con! i/o-status? UNTIL
    busoff ;
 
-  : unloop  r> rdrop rdrop rdrop >r ;
+\ : unloop  r> rdrop rdrop rdrop >r ;
 
   : lo/hi> ( lo hi -- u )
      255 and 256 * swap 255 and + ;

6502/C64/emulator/build-tcbase.sh

@@ -14,4 +14,4 @@ keybuf="3 drive 20 load\n3 drive 10 load\nsave\n\
 savesystem tcbase\ndos s0:notdone\n"
 
 DISK10=tc38q DISK11=file-words "${emulatordir}/run-in-vice.sh" \
-  "c64-volksforth83" "${keybuf}"
+  "c64-vf-390" "${keybuf}"

6502/C64/src/vf-cbm-core.fth

@@ -511,7 +511,7 @@ Code 2+   ( n1 -- n2)
  2 # lda   n+ bne     end-code
 Code 3+   ( n1 -- n2)
  3 # lda   n+ bne     end-code
-| Code 4+ ( n1 -- n2)
+Code 4+ ( n1 -- n2)
  4 # lda   n+ bne     end-code
 | Code 6+ ( n1 -- n2)
  6 # lda   n+ bne     end-code
@@ -911,6 +911,9 @@ Code case?
 : LEAVE  endloop r> 2- dup @ + >r ;
          restrict
 
+code UNLOOP  clc rp lda 6 # adc rp sta
+ cs ?[ rp 1+ inc ]?  Next jmp  end-code
+
 \   Returnstack: calladr | index
 \                  limit | adr of DO
 
@@ -2702,7 +2705,7 @@ E400 Constant limit     Variable first
  name> under 1+ u< swap  heap?  or ;
 
 |  : endpoints  ( addr -- addr symb)
- heap   voc-link @ >r
+ heap   voc-link >r
  BEGIN r> @ ?dup    \ through all Vocabs
  WHILE dup >r 4 - >r \ link on returnst.
   BEGIN r> @ >r over 1- dup r@  u<

6502/C64/src/vf-finalize.fth

@@ -13,9 +13,10 @@ Forth also definitions
 
 (C16 : (64 ) \ jumps belhind C)
 (C64 : (16 )
- BEGIN name count 0= abort" C) missing"
+ BEGIN name count dup 0=
+ abort" C) missing"  2 = >r
  @ [ Ascii C Ascii ) $100 * + ] Literal
- = UNTIL ; immediate
+ = r> and UNTIL ; immediate
 
 : C)  ; immediate
 

6502/C64/src/vf-sys-c16.fth

@@ -12,7 +12,7 @@ include vf-lbls-cbm.fth
   098 >label  InDev
 0ff19 >label BrdCol
 0ff15 >label BkgCol
- 0540 >label PenCol
+ 053b >label PenCol
   09d >label PrgEnd
   0b2 >label IOBeg
   0cb >label CurFlg

6502/C64/src/vf-sys-cbm.fth

@@ -217,10 +217,13 @@ Code bus@  ( -- 8b)
 : businput  ( adr n --)
  bounds  ?DO  bus@ I c! LOOP pause ;
 
+: i/o-status?  $90 c@ ;
+
 : derror?  ( -- flag )
  disk $F busin bus@  dup Ascii 0 -
-  IF  BEGIN emit bus@ dup #cr =  UNTIL
-  0= cr  THEN   0=  busoff ;
+   IF  BEGIN emit bus@ dup #cr =  UNTIL
+   0= cr ELSE BEGIN bus@ #cr = UNTIL
+   THEN   0=  busoff ;
 
 
 \ *** Block No. 140, Hexblock 8c
@@ -306,13 +309,13 @@ Code bus@  ( -- 8b)
 
 : index ( from to --)
  1+ swap DO
-   cr  I 2 .r  I block 1+  25  type
+   cr  I 3 .r  I block 28 type
    stop?  IF LEAVE THEN  LOOP ;
 
 : findex ( from to --)
  diskopen  IF  2drop  exit  THEN
- 1+ swap DO  cr  I 2 .r
+ 1+ swap DO  cr  I 3 .r
    pad dup I 2* 2* s#>t+s readsector
-   >r 1+ 25 type
+   >r 28 type
    r> stop? or IF LEAVE THEN
  LOOP  diskclose  ;