X-Git-Url: https://git.kengrimes.com/?p=watForth.git;a=blobdiff_plain;f=forth.forth;h=2f9ff874b794f7647daf41fcfee36ecde4642a4f;hp=5c9834f320e840e6a83dce9b578cc82317b44981;hb=b1197f8636a1b46b1eabc565cd41f0a30944cac4;hpb=ad3b02f34ef51d8df8db0472f8bebf412251ea2b diff --git a/forth.forth b/forth.forth index 5c9834f..2f9ff87 100644 --- a/forth.forth +++ b/forth.forth @@ -57,7 +57,7 @@ word WS? 17 define word . 9 define word .S 38 define word @ 10 define -word @8_u 53 define +word @8u 53 define word @+ 42 define word ! 11 define word !+ 43 define @@ -68,6 +68,7 @@ word DROP 16 define word 2DROP 32 define word SWAP 26 define word ROT 31 define +word -ROT 54 define \ ' "TICK" returns address of word's execution semantics word ' here define @@ -93,18 +94,18 @@ word ::> here define ' drop , ' lit , ' lit , ' , , ' execute-num , ' , , ' ; , \ change interpreter semantics to "memorize-word" -::> MEMORIZING ' lit , ' mode , ' lit , ' memorize-word , ' ! , ' ; , +::> MEMORIZING ' lit , ' memorize-word , ' lit , ' mode , ' ! , ' ; , \ memorize the compiler \memorizing -\: executing lit mode lit execute-word ! ; +\: executing lit execute-word lit mode ! ; \: FINISH-" drop string-end ; \: BSLASH-" drop key string-put JMP: \here \8 \+ \, \: " string-start \: KLOOP key 92 =? JNZ: bslash-" 34 =? JNZ: finish-" string-put JMP: KLOOP \: DO" \:> " " swap lit lit , , lit lit , , ; \: DOIF \:> IF lit JZ: , here dup , ; -\: DOELSE \:> ELSE lit JMP: , here dup , swap here ! ; -\: DOTHEN \:> THEN here ! ; +\: DOELSE \:> ELSE lit JMP: , here dup , here -rot ! ; +\: DOTHEN \:> THEN here swap ! ; \: COMPILE-WORD dup \doif 2dup find-does dup \doif rot 2drop execute ; @@ -112,7 +113,7 @@ word ::> here define \doif , 2drop ; \dothen drop lit lit , execute-num , ; \dothen 2drop \do" Compilation Error: null word" .s bye -\: compiling lit mode lit compile-word ! ; +\: compiling lit compile-word lit mode ! ; \ compile the rest of the compiler \compiling @@ -146,7 +147,7 @@ here define-does then compiling ; ) \ Set the number conversion base -: BASE 14348 swap ! ; +: BASE 14348 ! ; : BASE10 10 base ; \ TICK compilation semantics