Add LATEST and UNLOOP to clean up scripts

src/scripts/hdinstall.4th

@@ -1,6 +1,7 @@
 SRC" plasma.4th"
 SRC" conio.4th"
-: RESUME> ; ( PLACE HOLDER TO RESUME EXECUTION )
+
+: RESUME> ; INTERPONLY ( PLACE HOLDER TO RESUME EXECUTION )
 : ?EXEC ( F -- )
   NOT IF ( SKIP CODE IN BETWEEN ?EXEC AND RESUME> )
     1 >R
@@ -13,7 +14,7 @@ SRC" conio.4th"
             THEN
             >R
             ENDOF
-          ' ?EXEC OF ( CHECK FOR NESTED ?EXEC )
+          [ LATEST ] LITERAL OF ( CHECK FOR NESTED ?EXEC )
             R> 1+ >R
             ENDOF
         ENDCASE
@@ -22,7 +23,7 @@ SRC" conio.4th"
       THEN
     AGAIN
   THEN
-;
+; INTERPONLY
 
 : STRINPUT ( STR -- )
   DUP 1+ 255 ACCEPT -TRAILING SWAP C!

src/scripts/hdinstall2.4th

@@ -1,24 +1,20 @@
 SRC" plasma.4th"
 SRC" conio.4th"
-0 VARIABLE RESUMEXT
-0 VARIABLE EXECXT
-
-: RESUME> ; ( PLACE HOLDER TO RESUME EXECUTION )
-' RESUME> RESUMEXT !
 
+: RESUME> ; INTERPONLY ( PLACE HOLDER TO RESUME EXECUTION )
 : ?EXEC ( F -- )
   NOT IF ( SKIP CODE IN BETWEEN ?EXEC AND RESUME> )
     1 >R
     BEGIN
       BL WORD FIND IF
         CASE
-          RESUMEXT @ OF
+          ' RESUME> OF
             R> 1- ?DUP 0= IF ( EXIT IF FINAL RESUME> )
               DROP EXIT
             THEN
             >R
             ENDOF
-          EXECXT @ OF ( CHECK FOR NESTED ?EXEC )
+          [ LATEST ] LITERAL OF ( CHECK FOR NESTED ?EXEC )
             R> 1+ >R
             ENDOF
         ENDCASE
@@ -27,8 +23,7 @@ SRC" conio.4th"
       THEN
     AGAIN
   THEN
-;
+; INTERPONLY
-' ?EXEC EXECXT !
 
 : STRING CREATE 256 ALLOT DOES> ; ( JUST ALLOCATE THE BIGGEST STRING POSSIBLE )
 

src/scripts/rod.4th

@@ -28,9 +28,9 @@ SRC" CONIO.4TH"
           FMK @ J PLOT
           ?TERMINAL IF ( if keypressed )
             KEY DROP
-            R> DROP R> DROP ( clean up DO-OKIE )
+            UNLOOP ( clean up DO-OKIE )
-            R> DROP R> DROP
+            UNLOOP
-            R> DROP R> DROP
+            UNLOOP
             EXIT ( return )
           THEN
         LOOP

src/toolsrc/plforth.pla

@@ -103,11 +103,12 @@ predef _ffa_(a)#1, _lfa_(a)#1, _hfa_(a)#1, _cfa_(a)#1, _pfa_(a)#1, _allot_(a)#0
 predef _branch_#0, _0branch_(a)#0, _if_#0, _else_#0, _then_#0
 predef _begin_#0, _again_#0, _until_#0, _while_#0, _repeat_#0
 predef _case_#0, _of_#0, _endof_#0, _endcase_#0
-predef _dodo_(a,b)#0, _do_#0, _doloop_#0, _doplusloop_(a)#0, _plusloop_#0, _loop_#0, _leave_#0, _j_#1
+predef _dodo_(a,b)#0, _do_#0, _doloop_#0, _doplusloop_(a)#0, _plusloop_#0, _loop_#0
+predef _unloop_#0, _leave_#0, _j_#1
 predef _create_#0, _itcdoes_(a)#0, _does_#0, _compoff_#0, _compon_#0, _state_#1
 predef _compile_#0, _forcecomp_#0, _dictaddw_(a)#0, _dictaddb_(a)#0, _colon_#0, _semi_#0
 predef _componly_#0, _interponly_#0, _immediate_#0, _exit_#0, _pad_#1, _trailing_(a,b)#2
-predef _tors_(a)#0, _fromrs_#1, _toprs_#1, _lookup_#1
+predef _tors_(a)#0, _fromrs_#1, _toprs_#1, _lookup_#1, _latest_#1
 predef _cmove_(a,b,c)#0, _move_(a,b,c)#0, _fill_(a,b,c)#0, _plasma_(a)#0
 predef _var_(a)#0, _const_(a)#0, _lit_#1, _slit_#1, _find_(a)#2
 predef _tick_#0, _forget_#0, _terminal_#1, _key_#1, _prat_(a)#0
@@ -320,10 +321,14 @@ word = @d_cmove, 0, @_move_
 char d_fill = "FILL"
 byte = showcr_flag
 word = @d_cmove, 0, @_fill_
+// LATEST
+char d_latest = "LATEST"
+byte = 0
+word = @d_fill, 0, @_latest_
 // HERE
 char d_here = "HERE"
 byte = 0
-word = @d_fill, 0, @heapmark
+word = @d_latest, 0, @heapmark
 // PAD
 char d_pad = "PAD"
 byte = 0
@@ -380,6 +385,10 @@ word = @d_endcase, 0, @_do_
 char d_leave = "LEAVE"
 byte = componly_flag | showcr_flag
 word = @d_do, 0, @_leave_
+// UNLOOP
+char d_unloop = "UNLOOP"
+byte = componly_flag | showcr_flag
+word = @d_leave, 0, @_unloop_
 // COMPILED LOOP ( not in vocabulary )
 char d_doloop = "(DOLOOP)"
 byte = param_flag | showcr_flag
@@ -387,7 +396,7 @@ word = 0, 0, @_doloop_
 // LOOP
 char d_loop = "LOOP"
 byte = imm_flag | componly_flag
-word = @d_leave, 0, @_loop_
+word = @d_unloop, 0, @_loop_
 // COMPILED LOOP+ ( not in vocabulary )
 char d_doplusloop = "(+DOLOOP)"
 byte = param_flag | showcr_flag
@@ -1177,6 +1186,9 @@ def _trailing_(a,b)#2
   loop
   return a, b
 end
+def _latest_#1
+  return vlist
+end
 def newdict#0
   word bldptr, plist, namechars, namelen
 
@@ -1488,6 +1500,13 @@ def _plusloop_#0
   fin
     _dictaddw_(_fromrs_)
 end
+def _unloop_#0
+  if RSP > RSTK_SIZE-1
+    puts("Return stack underflow\n")
+    _quit_
+  fin
+  RSP = RSP + 2
+end
 def _j_#1
   return RSTACK[RSP + 2]
 end