From a76977af62010a392c16010c367185e61e856ffe Mon Sep 17 00:00:00 2001 From: Dimitri Sokolyuk Date: Wed, 30 Oct 2019 20:04:56 +0100 Subject: mv to docs --- j1eforth/j1.4th | 910 -------------------------------------------------------- 1 file changed, 910 deletions(-) delete mode 100644 j1eforth/j1.4th (limited to 'j1eforth/j1.4th') diff --git a/j1eforth/j1.4th b/j1eforth/j1.4th deleted file mode 100644 index 7a1a900..0000000 --- a/j1eforth/j1.4th +++ /dev/null @@ -1,910 +0,0 @@ -( - eForth 1.04 for j1 Simulator by Edward A., July 2014 - Much of the code is derived from the following sources: - j1 Cross-compiler by James Bowman August 2010 - 8086 eForth 1.0 by Bill Muench and C. H. Ting, 1990 -) - -only forth definitions hex - -wordlist constant meta.1 -wordlist constant target.1 -wordlist constant assembler.1 - -: (order) ( w wid*n n -- wid*n w n ) - dup if - 1- swap >r recurse over r@ xor if - 1+ r> -rot exit then r> drop then ; -: -order ( wid -- ) get-order (order) nip set-order ; -: +order ( wid -- ) dup >r -order get-order r> swap 1+ set-order ; - -: ]asm ( -- ) assembler.1 +order ; immediate - -get-current meta.1 set-current - -: [a] ( "name" -- ) - parse-word assembler.1 search-wordlist 0= - abort" [a]?" compile, ; immediate -: a: ( "name" -- ) - get-current >r assembler.1 set-current - : r> set-current ; - -target.1 +order meta.1 +order - -a: asm[ ( -- ) assembler.1 -order ; immediate - -create tflash 1000 cells here over erase allot - -variable tdp - -: there tdp @ ; -: tc! tflash + c! ; -: tc@ tflash + c@ ; -: t! over ff and over tc! swap 8 rshift swap 1+ tc! ; -: t@ dup tc@ swap 1+ tc@ 8 lshift or ; -: talign there 1 and tdp +! ; -: tc, there tc! 1 tdp +! ; -: t, there t! 2 tdp +! ; -: $literal [char] " word count dup tc, 0 ?do - count tc, loop drop talign ; -: tallot tdp +! ; -: org tdp ! ; - -a: t 0000 ; -a: n 0100 ; -a: t+n 0200 ; -a: t&n 0300 ; -a: t|n 0400 ; -a: t^n 0500 ; -a: ~t 0600 ; -a: n==t 0700 ; -a: n>t 0900 ; -a: t-1 0a00 ; -a: rt 0b00 ; -a: [t] 0c00 ; -a: n<n 0080 or ; -a: t->r 0040 or ; -a: n->[t] 0020 or ; -a: d-1 0003 or ; -a: d+1 0001 or ; -a: r-1 000c or ; -a: r-2 0008 or ; -a: r+1 0004 or ; - -a: alu 6000 or t, ; - -a: return [a] t 1000 or [a] r-1 [a] alu ; -a: branch 2/ 0000 or t, ; -a: ?branch 2/ 2000 or t, ; -a: call 2/ 4000 or t, ; - -a: literal - dup 8000 and if - ffff xor recurse - [a] ~t [a] alu - else - 8000 or t, - then ; - -variable tlast -variable tuser - -0002 constant =major -0000 constant =minor -0040 constant =comp -0080 constant =imed -7f1f constant =mask -0002 constant =cell -0010 constant =base -0008 constant =bksp -000a constant =nl -000d constant =cr - -4000 constant =em -0000 constant =cold - - 8 constant =vocs -80 constant =us - -=em 100 - constant =tib -=tib =us - constant =up -=cold =us + constant =pick -=pick 100 + constant =code - -: thead - talign - tlast @ t, there tlast ! - parse-word dup tc, 0 ?do count tc, loop drop talign ; -: twords - cr tlast @ - begin - dup tflash + count 1f and type space =cell - t@ - ?dup 0= until ; -: [t] - parse-word target.1 search-wordlist 0= - abort" [t]?" >body @ ; immediate -: [last] tlast @ ; immediate -: ( [char] ) parse 2drop ; immediate -: literal [a] literal ; -: lookback there =cell - t@ ; -: call? lookback e000 and 4000 = ; -: call>goto there =cell - dup t@ 1fff and swap t! ; -: safe? lookback e000 and 6000 = lookback 004c and 0= and ; -: alu>return there =cell - dup t@ 1000 or [a] r-1 swap t! ; -: t: - >in @ thead >in ! - get-current >r target.1 set-current create - r> set-current 947947 talign there , does> @ [a] call ; -: exit - call? if - call>goto else safe? if - alu>return else - [a] return - then - then ; -: t; - 947947 <> if - abort" unstructured" then true if - exit else [a] return then ; -: u: - >in @ thead >in ! - get-current >r target.1 set-current create - r> set-current talign tuser @ dup , - [a] literal exit =cell tuser +! does> @ [a] literal ; -: [u] - parse-word target.1 search-wordlist 0= - abort" [t]?" >body @ =up - =cell + ; immediate -: immediate tlast @ tflash + dup c@ =imed or swap c! ; -: compile-only tlast @ tflash + dup c@ =comp or swap c! ; - - 0 tlast ! - =up tuser ! - -: hex# ( u -- addr len ) 0 <# base @ >r hex =nl hold # # # # r> base ! #> ; -: save-hex ( -- ) - parse-word w/o create-file throw - there 0 do i t@ over >r hex# r> write-file throw 2 +loop - close-file throw ; -: save-target ( -- ) - parse-word w/o create-file throw >r - tflash there r@ write-file throw r> close-file ; - -: begin there ; -: until [a] ?branch ; - -: if there 0 [a] ?branch ; -: skip there 0 [a] branch ; -: then begin 2/ over t@ or swap t! ; -: else skip swap then ; -: while if swap ; -: repeat [a] branch then ; -: again [a] branch ; -: aft drop skip begin swap ; - -: noop ]asm t alu asm[ ; -: + ]asm t+n d-1 alu asm[ ; -: xor ]asm t^n d-1 alu asm[ ; -: and ]asm t&n d-1 alu asm[ ; -: or ]asm t|n d-1 alu asm[ ; -: invert ]asm ~t alu asm[ ; -: = ]asm n==t d-1 alu asm[ ; -: < ]asm nn alu asm[ ; -: dup ]asm t t->n d+1 alu asm[ ; -: drop ]asm n d-1 alu asm[ ; -: over ]asm n t->n d+1 alu asm[ ; -: nip ]asm t d-1 alu asm[ ; -: >r ]asm n t->r r+1 d-1 alu asm[ ; -: r> ]asm rt t->n r-1 d+1 alu asm[ ; -: r@ ]asm rt t->n d+1 alu asm[ ; -: @ ]asm [t] alu asm[ ; -: ! ]asm t n->[t] d-1 alu - n d-1 alu asm[ ; -: dsp ]asm dsp t->n d+1 alu asm[ ; -: lshift ]asm n<>t d-1 alu asm[ ; -: 1- ]asm t-1 alu asm[ ; -: 2r> ]asm rt t->n r-1 d+1 alu - rt t->n r-1 d+1 alu - n t->n alu asm[ ; -: 2>r ]asm n t->n alu - n t->r r+1 d-1 alu - n t->r r+1 d-1 alu asm[ ; -: 2r@ ]asm rt t->n r-1 d+1 alu - rt t->n r-1 d+1 alu - n t->n d+1 alu - n t->n d+1 alu - n t->r r+1 d-1 alu - n t->r r+1 d-1 alu - n t->n alu asm[ ; -: unloop - ]asm t r-1 alu - t r-1 alu asm[ ; - -: dup@ ]asm [t] t->n d+1 alu asm[ ; -: dup>r ]asm t t->r r+1 alu asm[ ; -: 2dupxor ]asm t^n t->n d+1 alu asm[ ; -: 2dup= ]asm n==t t->n d+1 alu asm[ ; -: !nip ]asm t n->[t] d-1 alu asm[ ; -: 2dup! ]asm t n->[t] alu asm[ ; - -: up1 ]asm t d+1 alu asm[ ; -: down1 ]asm t d-1 alu asm[ ; -: copy ]asm n alu asm[ ; - -a: down e for down1 next copy exit ; -a: up e for up1 next noop exit ; - -: for >r begin ; -: next r@ while r> 1- >r repeat r> drop ; - -=pick org - - ]asm down up asm[ - -there constant =pickbody - - copy ]asm return asm[ - 9c ]asm call asm[ bc ]asm branch asm[ - 9a ]asm call asm[ ba ]asm branch asm[ - 98 ]asm call asm[ b8 ]asm branch asm[ - 96 ]asm call asm[ b6 ]asm branch asm[ - 94 ]asm call asm[ b4 ]asm branch asm[ - 92 ]asm call asm[ b2 ]asm branch asm[ - 90 ]asm call asm[ b0 ]asm branch asm[ - 8e ]asm call asm[ ae ]asm branch asm[ - 8c ]asm call asm[ ac ]asm branch asm[ - 8a ]asm call asm[ aa ]asm branch asm[ - 88 ]asm call asm[ a8 ]asm branch asm[ - 86 ]asm call asm[ a6 ]asm branch asm[ - 84 ]asm call asm[ a4 ]asm branch asm[ - 82 ]asm call asm[ a2 ]asm branch asm[ - 80 ]asm call asm[ a0 ]asm branch asm[ - ]asm return asm[ - -=cold org - -0 t, - -there constant =uzero - =base t, ( base ) - 0 t, ( temp ) - 0 t, ( >in ) - 0 t, ( #tib ) - =tib t, ( tib ) - 0 t, ( 'eval ) - 0 t, ( 'abort ) - 0 t, ( hld ) - - ( context ) - - 0 t, 0 t, 0 t, 0 t, 0 t, 0 t, 0 t, 0 t, 0 t, - - ( forth-wordlist ) - - 0 t, ( na, of last definition, linked ) - 0 t, ( wid|0, next or last wordlist in chain ) - 0 t, ( na, wordlist name pointer ) - - ( current ) - - 0 t, ( wid, new definitions ) - 0 t, ( wid, head of chain ) - - 0 t, ( dp ) - 0 t, ( last ) - 0 t, ( '?key ) - 0 t, ( 'emit ) - 0 t, ( 'boot ) - 0 t, ( '\ ) - 0 t, ( '?name ) - 0 t, ( '$,n ) - 0 t, ( 'overt ) - 0 t, ( '; ) - 0 t, ( 'create ) -there constant =ulast -=ulast =uzero - constant =udiff - -=code org - -t: noop noop t; -t: + + t; -t: xor xor t; -t: and and t; -t: or or t; -t: invert invert t; -t: = = t; -t: < < t; -t: u< u< t; -t: swap swap t; -t: u> swap u< t; -t: dup dup t; -t: drop drop t; -t: over over t; -t: nip nip t; -t: lshift lshift t; -t: rshift rshift t; -t: 1- 1- t; -t: >r r> swap >r >r t; compile-only -t: r> r> r> swap >r t; compile-only -t: r@ r> r> dup >r swap >r t; compile-only -t: @ ( a -- w ) @ t; -t: ! ( w a -- ) ! t; - -t: <> = invert t; -t: 0< 0 literal < t; -t: 0= 0 literal = t; -t: > swap < t; -t: 0> 0 literal swap < t; -t: >= < invert t; -t: tuck swap over t; -t: -rot swap >r swap r> t; -t: 2/ 1 literal rshift t; -t: 2* 1 literal lshift t; -t: 1+ 1 literal + t; -t: sp@ dsp ff literal and t; -t: execute ( ca -- ) >r t; -t: bye ( -- ) 7002 literal ! t; -t: c@ ( b -- c ) - dup @ swap 1 literal and if - 8 literal rshift else ff literal and then exit t; -t: c! ( c b -- ) - swap ff literal and dup 8 literal lshift or swap - tuck dup @ swap 1 literal and 0 literal = ff literal xor - >r over xor r> and xor swap ! t; -t: um+ ( w w -- w cy ) - over over + >r - r@ 0 literal >= >r - over over and - 0< r> or >r - or 0< r> and invert 1+ - r> swap t; -t: dovar ( -- a ) r> t; compile-only -t: up dovar =up t, t; -t: douser ( -- a ) up @ r> @ + t; compile-only - -u: base -u: temp -u: >in -u: #tib -u: tib -u: 'eval -u: 'abort -u: hld -u: context - =vocs =cell * tuser +! -u: forth-wordlist - =cell tuser +! - =cell tuser +! -u: current - =cell tuser +! -u: dp -u: last -u: '?key -u: 'emit -u: 'boot -u: '\ -u: 'name? -u: '$,n -u: 'overt -u: '; -u: 'create - -t: ?dup ( w -- w w | 0 ) dup if dup then exit t; -t: rot ( w1 w2 w3 -- w2 w3 w1 ) >r swap r> swap t; -t: 2drop ( w w -- ) drop drop t; -t: 2dup ( w1 w2 -- w1 w2 w1 w2 ) over over t; -t: negate ( n -- -n ) invert 1+ t; -t: dnegate ( d -- -d ) - invert >r invert 1 literal um+ r> + t; -t: - ( n1 n2 -- n1-n2 ) negate + t; -t: abs ( n -- n ) dup 0< if negate then exit t; -t: max ( n n -- n ) 2dup > if drop exit then nip t; -t: min ( n n -- n ) 2dup < if drop exit then nip t; -t: within ( u ul uh -- t ) over - >r - r> u< t; -t: um/mod ( udl udh u -- ur uq ) - 2dup u< if - negate f literal - for >r dup um+ >r >r dup um+ r> + dup - r> r@ swap >r um+ r> or if - >r drop 1+ r> - else - drop - then r> - next drop swap exit - then drop 2drop -1 literal dup t; -t: m/mod ( d n -- r q ) - dup 0< dup >r if - negate >r dnegate r> - then >r dup 0< if - r@ + - then r> um/mod r> if - swap negate swap then exit t; -t: /mod ( n n -- r q ) over 0< swap m/mod t; -t: mod ( n n -- r ) /mod drop t; -t: / ( n n -- q ) /mod nip t; -t: um* ( u u -- ud ) - 0 literal swap f literal - for dup um+ >r >r dup um+ r> + r> if - >r over um+ r> + then - next rot drop t; -t: * ( n n -- n ) um* drop t; -t: m* ( n n -- d ) - 2dup xor 0< >r abs swap abs um* r> if - dnegate then exit t; -t: */mod ( n1 n2 n3 -- r q ) >r m* r> m/mod t; -t: */ ( n1 n2 n3 -- q ) */mod nip t; -t: cell+ ( a -- a ) =cell literal + t; -t: cell- ( a -- a ) =cell literal - t; -t: cells ( n -- n ) 1 literal lshift t; -t: bl ( -- 32 ) 20 literal t; -t: >char ( c -- c ) - 7f literal and dup 7f literal bl within if - drop 5f literal then exit t; -t: +! ( n a -- ) tuck @ + swap ! t; -t: 2! ( d a -- ) swap over ! cell+ ! t; -t: 2@ ( a -- d ) dup cell+ @ swap @ t; -t: count ( b -- b +n ) dup 1+ swap c@ t; -t: here ( -- a ) dp @ t; -t: aligned ( b -- a ) - dup 0 literal =cell literal um/mod drop dup if - =cell literal swap - then + t; -t: align ( -- ) here aligned dp ! t; -t: pad ( -- a ) here 50 literal + aligned t; -t: @execute ( a -- ) @ ?dup if execute then exit t; -t: fill ( b u c -- ) - swap for swap aft 2dup c! 1+ then next 2drop t; -t: erase 0 literal fill t; -t: digit ( u -- c ) 9 literal over < 7 literal and + 30 literal + t; -t: extract ( n base -- n c ) 0 literal swap um/mod swap digit t; -t: <# ( -- ) pad hld ! t; -t: hold ( c -- ) hld @ 1- dup hld ! c! t; -t: # ( u -- u ) base @ extract hold t; -t: #s ( u -- 0 ) begin # dup while repeat t; -t: sign ( n -- ) 0< if 2d literal hold then exit t; -t: #> ( w -- b u ) drop hld @ pad over - t; -t: str ( n -- b u ) dup >r abs <# #s r> sign #> t; -t: hex ( -- ) 10 literal base ! t; -t: decimal ( -- ) a literal base ! t; -t: digit? ( c base -- u t ) - >r 30 literal - 9 literal over < if - dup 20 literal > if - 20 literal - - then - 7 literal - dup a literal < or - then dup r> u< t; -t: number? ( a -- n t | a f ) - base @ >r 0 literal over count - over c@ 24 literal = if - hex swap 1+ swap 1- then - over c@ 2d literal = >r - swap r@ - swap r@ + ?dup if - 1- - for dup >r c@ base @ digit? - while swap base @ * + r> 1+ - next r@ nip if - negate then swap - else r> r> 2drop 2drop 0 literal - then dup - then r> 2drop r> base ! t; -t: ?rx ( -- c t | f ) 7001 literal @ 1 literal and 0= invert t; -t: tx! ( c -- ) - begin - 7001 literal @ 2 literal and 0= - until 7000 literal ! t; -t: ?key ( -- c ) '?key @execute t; -t: emit ( c -- ) 'emit @execute t; -t: key ( -- c ) - begin - ?key - until 7000 literal @ t; -t: nuf? ( -- t ) ?key dup if drop key =nl literal = then exit t; -t: space ( -- ) bl emit t; -t: spaces ( +n -- ) 0 literal max for aft space then next t; -t: type ( b u -- ) for aft count emit then next drop t; -t: cr ( -- ) =cr literal emit =nl literal emit t; -t: do$ ( -- a ) r> r@ r> count + aligned >r swap >r t; compile-only -t: $"| ( -- a ) do$ noop t; compile-only -t: .$ ( a -- ) count type t; -t: ."| ( -- ) do$ .$ t; compile-only -t: .r ( n +n -- ) >r str r> over - spaces type t; -t: u.r ( u +n -- ) >r <# #s #> r> over - spaces type t; -t: u. ( u -- ) <# #s #> space type t; -t: . ( w -- ) base @ a literal xor if u. exit then str space type t; -t: cmove ( b1 b2 u -- ) for aft >r dup c@ r@ c! 1+ r> 1+ then next 2drop t; -t: pack$ ( b u a -- a ) dup >r 2dup ! 1+ swap cmove r> t; -t: ? ( a -- ) @ . t; -t: (parse) ( b u c -- b u delta ; ) - temp ! over >r dup if - 1- temp @ bl = if - for - count temp @ swap - 0< invert r@ 0> and - while next r> drop 0 literal dup exit - then 1- r> - then over swap - for - count temp @ swap - temp @ bl = if - 0< then - while next dup >r else r> drop dup >r 1- - then over - r> r> - exit - then over r> - t; -t: parse ( c -- b u ; ) - >r - tib @ >in @ + - #tib @ >in @ - r> - (parse) - >in +! t; -t: .( ( -- ) 29 literal parse type t; immediate -t: ( ( -- ) 29 literal parse 2drop t; immediate -t: <\> ( -- ) #tib @ >in ! t; immediate -t: \ ( -- ) '\ @execute t; immediate -t: word ( c -- a ; ) parse here cell+ pack$ t; -t: token ( -- a ; ) bl word t; -t: name> ( na -- ca ) count 1f literal and + aligned t; -t: same? ( a a u -- a a f \ -0+ ) - 1- - for aft over r@ + c@ - over r@ + c@ - ?dup - if r> drop exit then then - next 0 literal t; -t: find ( a va -- ca na | a f ) - swap - dup c@ temp ! - dup @ >r - cell+ swap - begin @ dup - if dup @ =mask literal and r@ xor - if cell+ -1 literal else cell+ temp @ same? then - else r> drop swap cell- swap exit - then - while 2 literal cells - - repeat r> drop nip cell- dup name> swap t; -t: ( a -- ca na | a f ) - context dup 2@ xor if cell- then >r - begin - r> cell+ dup >r @ ?dup - while - find ?dup - until r> drop exit then r> drop 0 literal t; -t: name? ( a -- ca na | a f ) 'name? @execute t; -t: ^h ( bot eot cur -- bot eot cur ) - >r over r@ < dup if - =bksp literal dup emit space - emit then r> + t; -t: tap ( bot eot cur c -- bot eot cur ) - dup emit over c! 1+ t; -t: ktap ( bot eot cur c -- bot eot cur ) - dup =nl literal xor if - =bksp literal xor if - bl tap exit - then ^h exit - then drop nip dup t; -t: accept ( b u -- b u ) - over + over - begin - 2dup xor - while - key dup bl - 7f literal u< if tap else ktap then - repeat drop over - t; -t: query ( -- ) tib @ 50 literal accept #tib ! drop 0 literal >in ! t; -t: abort2 do$ drop t; -t: abort1 space .$ 3f literal emit cr 'abort @execute abort2 t; -t: if do$ abort1 exit then abort2 t; compile-only -t: forget ( -- ) - token name? ?dup if - cell- dup dp ! - @ dup context ! last ! - drop exit - then abort1 t; -t: $interpret ( a -- ) - name? ?dup if - @ =comp literal and - $literal compile-only" execute exit - else number? if - exit then abort1 then t; -t: [ ( -- ) [t] $interpret literal 'eval ! t; immediate -t: .ok ( -- ) - [t] $interpret literal 'eval @ = if - ."| $literal ok" - then cr t; -t: eval ( -- ) - begin - token dup c@ - while - 'eval @execute - repeat drop .ok t; -t: $eval ( a u -- ) - >in @ >r #tib @ >r tib @ >r - [t] >in literal 0 literal swap ! - #tib ! tib ! eval r> tib ! r> #tib ! r> >in ! t; compile-only -t: preset ( -- ) =tib literal #tib cell+ ! t; -t: quit ( -- ) - [ begin - query eval - again t; -t: abort drop preset .ok quit t; -t: ' ( -- ca ) token name? if exit then abort1 t; -t: allot ( n -- ) aligned dp +! t; -t: , ( w -- ) here dup cell+ dp ! ! t; -t: call, ( ca -- ) 1 literal rshift 4000 literal or , t; compile-only -t: ?branch ( ca -- ) 1 literal rshift 2000 literal or , t; compile-only -t: branch ( ca -- ) 1 literal rshift 0000 literal or , t; compile-only -t: [compile] ( -- ; ) ' call, t; immediate -t: compile ( -- ) r> dup @ , cell+ >r t; compile-only -t: recurse last @ name> call, t; immediate -t: pick dup 2* 2* =pickbody literal + >r t; -t: literal ( w -- ) - dup 8000 literal and if - ffff literal xor [t] literal ]asm call asm[ compile invert - else - 8000 literal or , - then exit t; immediate -t: ['] ' [t] literal ]asm call asm[ t; immediate -t: $," ( -- ) 22 literal parse here pack$ count + aligned dp ! t; -t: for ( -- a ) compile [t] >r ]asm call asm[ here t; compile-only immediate -t: begin ( -- a ) here t; compile-only immediate -t: (next) ( n -- ) r> r> ?dup if 1- >r @ >r exit then cell+ >r t; compile-only -t: next ( -- ) compile (next) , t; compile-only immediate -t: (do) ( limit index -- index ) r> dup >r swap rot >r >r cell+ >r t; compile-only -t: do ( limit index -- ) compile (do) 0 literal , here t; compile-only immediate -t: (leave) r> drop r> drop r> drop t; compile-only -t: leave compile (leave) noop t; compile-only immediate -t: (loop) - r> r> 1+ r> 2dup <> if - >r >r @ >r exit - then >r 1- >r cell+ >r t; compile-only -t: (unloop) r> r> drop r> drop r> drop >r t; compile-only -t: unloop compile (unloop) noop t; compile-only immediate -t: (?do) - 2dup <> if - r> dup >r swap rot >r >r cell+ >r exit - then 2drop exit t; compile-only -t: ?do ( limit index -- ) compile (?do) 0 literal , here t; compile-only immediate -t: loop ( -- ) compile (loop) dup , compile (unloop) cell- here 1 literal rshift swap ! t; compile-only immediate -t: (+loop) - r> swap r> r> 2dup - >r - 2 literal pick r@ + r@ xor 0< 0= - 3 literal pick r> xor 0< 0= or if - >r + >r @ >r exit - then >r >r drop cell+ >r t; compile-only -t: +loop ( n -- ) compile (+loop) dup , compile (unloop) cell- here 1 literal rshift swap ! t; compile-only immediate -t: (i) ( -- index ) r> r> tuck >r >r t; compile-only -t: i ( -- index ) compile (i) noop t; compile-only immediate -t: until ( a -- ) ?branch t; compile-only immediate -t: again ( a -- ) branch t; compile-only immediate -t: if ( -- a ) here 0 literal ?branch t; compile-only immediate -t: then ( a -- ) here 1 literal rshift over @ or swap ! t; compile-only immediate -t: repeat ( a a -- ) branch [t] then ]asm call asm[ t; compile-only immediate -t: skip here 0 literal branch t; compile-only immediate -t: aft ( a -- a a ) drop [t] skip ]asm call asm[ [t] begin ]asm call asm[ swap t; compile-only immediate -t: else ( a -- a ) [t] skip ]asm call asm[ swap [t] then ]asm call asm[ t; compile-only immediate -t: while ( a -- a a ) [t] if ]asm call asm[ swap t; compile-only immediate -t: (case) r> swap >r >r t; compile-only -t: case compile (case) 30 literal t; compile-only immediate -t: (of) r> r@ swap >r = t; compile-only -t: of compile (of) [t] if ]asm call asm[ t; compile-only immediate -t: endof [t] else ]asm call asm[ 31 literal t; compile-only immediate -t: (endcase) r> r> drop >r t; -t: endcase - begin - dup 31 literal = - while - drop - [t] then ]asm call asm[ - repeat - 30 literal <> $literal bad case construct." - compile (endcase) noop t; compile-only immediate -t: $" ( -- ; ) compile $"| $," t; compile-only immediate -t: ." ( -- ; ) compile ."| $," t; compile-only immediate -t: >body ( ca -- pa ) cell+ t; -t: (to) ( n -- ) r> dup cell+ >r @ ! t; compile-only -t: to ( n -- ) compile (to) ' >body , t; compile-only immediate -t: (+to) ( n -- ) r> dup cell+ >r @ +! t; compile-only -t: +to ( n -- ) compile (+to) ' >body , t; compile-only immediate -t: get-current ( -- wid ) current @ t; -t: set-current ( wid -- ) current ! t; -t: definitions ( -- ) context @ set-current t; -t: ?unique ( a -- a ) - dup get-current find if ."| $literal redef " over .$ then drop t; -t: <$,n> ( na -- ) - dup c@ if - ?unique - dup count + aligned - dp ! - dup last ! - cell- - get-current @ - swap ! exit - then drop $"| $literal name" abort1 t; -t: $,n ( na -- ) '$,n @execute t; -t: $compile ( a -- ) - name? ?dup if - @ =imed literal and if - execute exit - else call, exit - then - then - number? if - [t] literal ]asm call asm[ exit then abort1 t; -t: abort" compile $," t; immediate -t: ( -- ) last @ get-current ! t; -t: overt ( -- ) 'overt @execute t; -t: exit r> drop t; -t: <;> ( -- ) - compile [t] exit ]asm call asm[ - [ overt 0 literal here ! t; compile-only immediate -t: ; ( -- ) '; @execute t; compile-only immediate -t: ] ( -- ) [t] $compile literal 'eval ! t; -t: : ( -- ; ) token $,n ] t; -t: immediate ( -- ) =imed literal last @ @ or last @ ! t; -t: user ( u -- ; ) token $,n overt compile douser , t; -t: ( -- ; ) token $,n overt [t] dovar ]asm literal asm[ call, t; -t: create ( -- ; ) 'create @execute t; -t: variable ( -- ; ) create 0 literal , t; -t: (does>) ( -- ) - r> 1 literal rshift here 1 literal rshift - last @ name> dup cell+ ]asm 8000 literal asm[ or , ! , t; compile-only -t: compile-only ( -- ) =comp literal last @ @ or last @ ! t; -t: does> ( -- ) compile (does>) noop t; immediate -t: char ( -- char ) ( -- c ) bl word 1+ c@ t; -t: [char] char [t] literal ]asm call asm[ t; immediate -t: constant create , (does>) @ t; -t: defer create 0 literal , - (does>) - @ ?dup 0 literal = - $literal uninitialized" execute t; -t: is ' >body ! t; immediate -t: .id ( na -- ) - ?dup if - count 1f literal and type exit then - cr ."| $literal {noname}" t; -t: wordlist ( -- wid ) align here 0 literal , dup current cell+ dup @ , ! 0 literal , t; -t: order@ ( a -- u*wid u ) dup @ dup if >r cell+ order@ r> swap 1+ exit then nip t; -t: get-order ( -- u*wid u ) context order@ t; -t: >wid ( wid -- ) cell+ t; -t: .wid ( wid -- ) - space dup >wid cell+ @ ?dup if .id drop exit then 0 literal u.r t; -t: !wid ( wid -- ) >wid cell+ last @ swap ! t; -t: vocs ( -- ) ( list all wordlists ) - cr ."| $literal vocs:" current cell+ - begin - @ ?dup - while - dup .wid >wid - repeat t; -t: order ( -- ) ( list search order ) - cr ."| $literal search:" get-order - begin - ?dup - while - swap .wid 1- - repeat - cr ."| $literal define:" get-current .wid t; -t: set-order ( u*wid n -- ) ( 16.6.1.2197 ) - dup -1 literal = if - drop forth-wordlist 1 literal then - =vocs literal over u< $literal over size of #vocs" - context swap - begin - dup - while - >r swap over ! cell+ r> - 1- - repeat swap ! t; -t: only ( -- ) -1 literal set-order t; -t: also ( -- ) get-order over swap 1+ set-order t; -t: previous ( -- ) get-order swap drop 1- set-order t; -t: >voc ( wid 'name' -- ) - create dup , !wid - (does>) - @ >r get-order swap drop r> swap set-order t; -t: widof ( "vocabulary" -- wid ) ' >body @ t; -t: vocabulary ( 'name' -- ) wordlist >voc t; -t: _type ( b u -- ) for aft count >char emit then next drop t; -t: dm+ ( a u -- a ) - over 4 literal u.r space - for aft count 3 literal u.r then next t; -t: dump ( a u -- ) - base @ >r hex 10 literal / - for cr 10 literal 2dup dm+ -rot - 2 literal spaces _type - next drop r> base ! t; -t: .s ( ... -- ... ) cr sp@ 1- f literal and for r@ pick . next ."| $literal name) ( ca va -- na | f ) - begin - @ ?dup - while - 2dup name> xor - while cell- - repeat nip exit - then drop 0 literal t; -t: >name ( ca -- na | f ) - >r get-order - begin - ?dup - while - swap - r@ swap - (>name) - ?dup if - >r - 1- for aft drop then next - r> r> drop - exit - then - 1- - repeat - r> drop 0 literal t; -t: see ( -- ; ) - ' cr - begin - dup @ ?dup 700c literal xor - while - 3fff literal and 1 literal lshift - >name ?dup if - space .id - else - dup @ 7fff literal and u. - then - cell+ - repeat 2drop t; -t: (words) ( -- ) - cr - begin - @ ?dup - while - dup .id space cell- - repeat t; -t: words - get-order - begin - ?dup - while - swap - cr cr ."| $literal :" dup .wid cr - (words) - 1- - repeat t; -t: ver ( -- n ) =major literal 100 literal * =minor literal + t; -t: hi ( -- ) - cr ."| $literal eforth j1 v" - base @ hex - ver <# # # 2e literal hold # #> - type base ! cr t; -t: cold ( -- ) - =uzero literal =up literal =udiff literal cmove - preset forth-wordlist dup context ! dup current 2! overt - 4000 literal cell+ dup cell- @ $eval - 'boot @execute - quit - cold t; - -target.1 -order set-current - -there [u] dp t! -[last] [u] last t! -[t] ?rx [u] '?key t! -[t] tx! [u] 'emit t! -[t] <\> [u] '\ t! -[t] $interpret [u] 'eval t! -[t] abort [u] 'abort t! -[t] hi [u] 'boot t! -[t] [u] 'name? t! -[t] [u] 'overt t! -[t] <$,n> [u] '$,n t! -[t] <;> [u] '; t! -[t] [u] 'create t! -[t] cold 2/ =cold t! - -save-target j1.bin -save-hex j1.hex - -meta.1 -order - -bye -- cgit v1.2.3