[gforth] / gforth / cross.fs

gforth: gforth/cross.fs

1 :	anton	1.1	\ CROSS.FS The Cross-Compiler 06oct92py
2 :			\ Idea and implementation: Bernd Paysan (py)
3 :	anton	1.30
4 :	anton	1.69	\ Copyright (C) 1995,1996,1997,1998,1999 Free Software Foundation, Inc.
5 :	anton	1.30
6 :			\ This file is part of Gforth.
7 :
8 :			\ Gforth is free software; you can redistribute it and/or
9 :			\ modify it under the terms of the GNU General Public License
10 :			\ as published by the Free Software Foundation; either version 2
11 :			\ of the License, or (at your option) any later version.
12 :
13 :			\ This program is distributed in the hope that it will be useful,
14 :			\ but WITHOUT ANY WARRANTY; without even the implied warranty of
15 :			\ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 :			\ GNU General Public License for more details.
17 :
18 :			\ You should have received a copy of the GNU General Public License
19 :			\ along with this program; if not, write to the Free Software
20 :			\ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 :	anton	1.1
22 :	jwilke	1.67	0
23 :			[IF]
24 :
25 :			ToDo:
26 :			Crossdoc destination ./doc/crossdoc.fd makes no sense when
27 :			cross.fs is uses seperately. jaw
28 :			Do we need this char translation with >address and in branchoffset?
29 :			(>body also affected) jaw
30 :			Clean up mark> and >resolve stuff jaw
31 :
32 :			[THEN]
33 :	anton	1.48
34 :
35 :	jwilke	1.52	hex \ the defualt base for the cross-compiler is hex !!
36 :			Warnings off
37 :
38 :			\ words that are generaly useful
39 :
40 :	pazsan	1.59	: KB 400 * ;
41 :	jwilke	1.52	: >wordlist ( vocabulary-xt -- wordlist-struct )
42 :			also execute get-order swap >r 1- set-order r> ;
43 :
44 :			: umax 2dup u< IF swap THEN drop ;
45 :			: umin 2dup u> IF swap THEN drop ;
46 :	anton	1.1
47 :	pazsan	1.23	: string, ( c-addr u -- )
48 :			\ puts down string as cstring
49 :			dup c, here swap chars dup allot move ;
50 :	pazsan	1.5
51 :	jwilke	1.52	: SetValue ( n -- <name> )
52 :	pazsan	1.54	\G Same behaviour as "Value" if the <name> is not defined
53 :			\G Same behaviour as "to" if <name> is defined
54 :	jwilke	1.52	\G SetValue searches in the current vocabulary
55 :	jwilke	1.68	save-input bl word >r restore-input throw r> count
56 :			get-current search-wordlist
57 :			IF drop >r
58 :			\ we have to set current to be topmost context wordlist
59 :			get-order get-order get-current swap 1+ set-order
60 :			r> ['] to execute
61 :	jwilke	1.74	set-order
62 :	jwilke	1.68	ELSE Value THEN ;
63 :	jwilke	1.52
64 :			: DefaultValue ( n -- <name> )
65 :	pazsan	1.54	\G Same behaviour as "Value" if the <name> is not defined
66 :			\G DefaultValue searches in the current vocabulary
67 :	jwilke	1.52	save-input bl word >r restore-input throw r> count
68 :			get-current search-wordlist
69 :	pazsan	1.56	IF bl word drop 2drop ELSE Value THEN ;
70 :	anton	1.1
71 :			hex
72 :
73 :			Vocabulary Cross
74 :			Vocabulary Target
75 :			Vocabulary Ghosts
76 :			VOCABULARY Minimal
77 :			only Forth also Target also also
78 :			definitions Forth
79 :
80 :			: T previous Cross also Target ; immediate
81 :			: G Ghosts ; immediate
82 :			: H previous Forth also Cross ; immediate
83 :
84 :			forth definitions
85 :
86 :			: T previous Cross also Target ; immediate
87 :			: G Ghosts ; immediate
88 :
89 :			: >cross also Cross definitions previous ;
90 :			: >target also Target definitions previous ;
91 :			: >minimal also Minimal definitions previous ;
92 :
93 :			H
94 :
95 :			>CROSS
96 :
97 :	jwilke	1.52	\ 1 Constant Cross-Flag \ to check whether assembler compiler plug-ins are
98 :			\ for cross-compiling
99 :			\ No! we use "[IFUNDEF]" there to find out whether we are target compiling!!!
100 :
101 :			: comment? ( c-addr u -- c-addr u )
102 :			2dup s" (" compare 0=
103 :			IF postpone (
104 :			ELSE 2dup s" \" compare 0= IF postpone \ THEN
105 :			THEN ;
106 :
107 :			\ Begin CROSS COMPILER:
108 :
109 :
110 :
111 :			\ \ -------------------- Error Handling 05aug97jaw
112 :
113 :			\ Flags
114 :
115 :			also forth definitions \ these values may be predefined before
116 :			\ the cross-compiler is loaded
117 :
118 :			false DefaultValue stack-warn \ check on empty stack at any definition
119 :			false DefaultValue create-forward-warn \ warn on forward declaration of created words
120 :
121 :	jwilke	1.74
122 :
123 :
124 :	jwilke	1.52
125 :			previous >CROSS
126 :
127 :	jwilke	1.53	: .dec
128 :			base @ decimal swap . base ! ;
129 :
130 :	jwilke	1.52	: .sourcepos
131 :			cr sourcefilename type ." :"
132 :	jwilke	1.53	sourceline# .dec ;
133 :	jwilke	1.52
134 :			: warnhead
135 :			\G display error-message head
136 :			\G perhaps with linenumber and filename
137 :			.sourcepos ." Warning: " ;
138 :
139 :			: empty? depth IF .sourcepos ." Stack not empty!" THEN ;
140 :
141 :			stack-warn [IF]
142 :			: defempty? empty? ;
143 :			[ELSE]
144 :			: defempty? ; immediate
145 :			[THEN]
146 :
147 :	jwilke	1.74	\ debugging
148 :	jwilke	1.52
149 :	jwilke	1.74	0 [IF]
150 :
151 :			This implements debugflags for the cross compiler and the compiled
152 :			images. It works identical to the has-flags in the environment.
153 :			The debugflags are defined in a vocabluary. If the word exists and
154 :			its value is true, the flag is switched on.
155 :
156 :			[THEN]
157 :
158 :			Vocabulary debugflags \ debug flags for cross
159 :			also debugflags get-order over
160 :			Constant debugflags-wl
161 :			set-order previous
162 :
163 :			: DebugFlag
164 :			get-current >r debugflags-wl set-current
165 :			SetValue
166 :			r> set-current ;
167 :
168 :			: Debug? ( adr u -- flag )
169 :			\G return true if debug flag is defined or switched on
170 :			debugflags-wl search-wordlist
171 :			IF EXECUTE
172 :			ELSE false THEN ;
173 :
174 :			: D? ( <name> -- flag )
175 :			\G return true if debug flag is defined or switched on
176 :			\G while compiling we do not return the current value but
177 :			bl word count debug? ;
178 :
179 :			: [d?]
180 :			\G compile the value-xt so the debug flag can be switched
181 :			\G the flag must exist!
182 :			bl word count debugflags-wl search-wordlist
183 :			IF compile,
184 :			ELSE -1 ABORT" unknown debug flag"
185 :			\ POSTPONE false
186 :			THEN ; immediate
187 :	pazsan	1.54
188 :	jwilke	1.52	\ \ GhostNames Ghosts 9may93jaw
189 :
190 :			\ second name source to search trough list
191 :
192 :			VARIABLE GhostNames
193 :			0 GhostNames !
194 :
195 :			: GhostName ( -- addr )
196 :			here GhostNames @ , GhostNames ! here 0 ,
197 :			bl word count
198 :			\ 2dup type space
199 :			string, \ !! cfalign ?
200 :			align ;
201 :
202 :			\ Ghost Builder 06oct92py
203 :
204 :			\ <T T> new version with temp variable 10may93jaw
205 :
206 :			VARIABLE VocTemp
207 :
208 :			: <T get-current VocTemp ! also Ghosts definitions ;
209 :			: T> previous VocTemp @ set-current ;
210 :
211 :			hex
212 :			4711 Constant <fwd> 4712 Constant <res>
213 :			4713 Constant <imm> 4714 Constant <do:>
214 :	jwilke	1.75	4715 Constant <skip>
215 :	jwilke	1.52
216 :			\ iForth makes only immediate directly after create
217 :			\ make atonce trick! ?
218 :
219 :			Variable atonce atonce off
220 :
221 :			: NoExec true ABORT" CROSS: Don't execute ghost" ;
222 :
223 :			: GhostHeader <fwd> , 0 , ['] NoExec , ;
224 :
225 :			: >magic ; \ type of ghost
226 :			: >link cell+ ; \ pointer where ghost is in target, or if unresolved
227 :			\ points to the where we have to resolve (linked-list)
228 :			: >exec cell+ cell+ ; \ execution symantics (while target compiling) of ghost
229 :			: >end 3 cells + ; \ room for additional tags
230 :			\ for builder (create, variable...) words the
231 :			\ execution symantics of words built are placed here
232 :
233 :			Variable executed-ghost \ last executed ghost, needed in tcreate and gdoes>
234 :			Variable last-ghost \ last ghost that is created
235 :			Variable last-header-ghost \ last ghost definitions with header
236 :
237 :			: Make-Ghost ( "name" -- ghost )
238 :			>in @ GhostName swap >in !
239 :			<T Create atonce @ IF immediate atonce off THEN
240 :			here tuck swap ! ghostheader T>
241 :			dup last-ghost !
242 :			DOES> dup executed-ghost ! >exec @ execute ;
243 :
244 :			\ ghost words 14oct92py
245 :			\ changed: 10may93py/jaw
246 :
247 :			: gfind ( string -- ghost true/1 / string false )
248 :			\ searches for string in word-list ghosts
249 :			dup count [ ' ghosts >wordlist ] ALiteral search-wordlist
250 :			dup IF >r >body nip r> THEN ;
251 :
252 :			: gdiscover ( xt -- ghost true \| xt false )
253 :			GhostNames
254 :			BEGIN @ dup
255 :			WHILE 2dup
256 :			cell+ @ dup >magic @ <fwd> <>
257 :			>r >link @ = r> and
258 :			IF cell+ @ nip true EXIT THEN
259 :			REPEAT
260 :			drop false ;
261 :
262 :			VARIABLE Already
263 :
264 :			: ghost ( "name" -- ghost )
265 :			Already off
266 :			>in @ bl word gfind IF Already on nip EXIT THEN
267 :			drop >in ! Make-Ghost ;
268 :
269 :			: >ghostname ( ghost -- adr len )
270 :			GhostNames
271 :			BEGIN @ dup
272 :			WHILE 2dup cell+ @ =
273 :			UNTIL nip 2 cells + count
274 :	pazsan	1.54	ELSE 2drop
275 :			\ true abort" CROSS: Ghostnames inconsistent"
276 :			s" ?!?!?!"
277 :	jwilke	1.52	THEN ;
278 :
279 :			' >ghostname ALIAS @name
280 :
281 :			: forward? ( ghost -- flag )
282 :			>magic @ <fwd> = ;
283 :
284 :	jwilke	1.75	: undefined? ( ghost -- flag )
285 :			>magic @ dup <fwd> = swap <skip> = or ;
286 :
287 :	jwilke	1.52	\ Predefined ghosts 12dec92py
288 :
289 :			ghost 0= drop
290 :			ghost branch ghost ?branch 2drop
291 :			ghost (do) ghost (?do) 2drop
292 :			ghost (for) drop
293 :			ghost (loop) ghost (+loop) 2drop
294 :			ghost (next) drop
295 :			ghost unloop ghost ;S 2drop
296 :			ghost lit ghost (compile) ghost ! 2drop drop
297 :			ghost (does>) ghost noop 2drop
298 :			ghost (.") ghost (S") ghost (ABORT") 2drop drop
299 :			ghost ' drop
300 :			ghost :docol ghost :doesjump ghost :dodoes 2drop drop
301 :	pazsan	1.54	ghost :dovar drop
302 :	jwilke	1.52	ghost over ghost = ghost drop 2drop drop
303 :			ghost - drop
304 :	pazsan	1.54	ghost 2drop drop
305 :			ghost 2dup drop
306 :	jwilke	1.52
307 :			\ \ Parameter for target systems 06oct92py
308 :
309 :			\ we define it ans like...
310 :			wordlist Constant target-environment
311 :
312 :			VARIABLE env-current \ save information of current dictionary to restore with environ>
313 :
314 :			: >ENVIRON get-current env-current ! target-environment set-current ;
315 :			: ENVIRON> env-current @ set-current ;
316 :	pazsan	1.43
317 :	anton	1.48	>TARGET
318 :	pazsan	1.43
319 :	jwilke	1.67	: environment? ( adr len -- [ x ] true \| false )
320 :	jwilke	1.52	target-environment search-wordlist
321 :			IF execute true ELSE false THEN ;
322 :
323 :	jwilke	1.67	: e? bl word count T environment? H 0= ABORT" environment variable not defined!" ;
324 :	jwilke	1.52
325 :	jwilke	1.67	: has? bl word count T environment? H
326 :	jwilke	1.53	IF \ environment variable is present, return its value
327 :			ELSE \ environment variable is not present, return false
328 :	jwilke	1.75	false \ debug true ABORT" arg"
329 :	jwilke	1.53	THEN ;
330 :	jwilke	1.52
331 :			: $has? T environment? H IF ELSE false THEN ;
332 :	anton	1.48
333 :	pazsan	1.54	>ENVIRON get-order get-current swap 1+ set-order
334 :			true SetValue compiler
335 :	jwilke	1.53	true SetValue cross
336 :	pazsan	1.54	true SetValue standard-threading
337 :			>TARGET previous
338 :	jwilke	1.52
339 :	pazsan	1.59
340 :	jwilke	1.52	mach-file count included hex
341 :	pazsan	1.43
342 :	jwilke	1.53	>ENVIRON
343 :
344 :	pazsan	1.54	T has? ec H
345 :			[IF]
346 :			false DefaultValue relocate
347 :			false DefaultValue file
348 :			false DefaultValue OS
349 :			false DefaultValue prims
350 :			false DefaultValue floating
351 :			false DefaultValue glocals
352 :			false DefaultValue dcomps
353 :			false DefaultValue hash
354 :			false DefaultValue xconds
355 :			false DefaultValue header
356 :			[THEN]
357 :
358 :			true DefaultValue interpreter
359 :			true DefaultValue ITC
360 :			false DefaultValue rom
361 :	jwilke	1.73	true DefaultValue standardthreading
362 :	jwilke	1.53
363 :	jwilke	1.52	>TARGET
364 :	jwilke	1.53	s" relocate" T environment? H
365 :			[IF] SetValue NIL
366 :			[ELSE] >ENVIRON T NIL H SetValue relocate
367 :			[THEN]
368 :	pazsan	1.43
369 :			>CROSS
370 :
371 :	jwilke	1.52	\ \ Create additional parameters 19jan95py
372 :	pazsan	1.19
373 :	jwilke	1.71	\ currently cross only works for host machines with address-unit-bits
374 :			\ eual to 8 because of s! and sc!
375 :			\ but I start to query the environment just to modularize a little bit
376 :
377 :			: check-address-unit-bits ( -- )
378 :			\ s" ADDRESS-UNIT-BITS" environment?
379 :			\ IF 8 <> ELSE true THEN
380 :			\ ABORT" ADDRESS-UNIT-BITS unknown or not equal to 8!"
381 :
382 :			\ shit, this doesn't work because environment? is only defined for
383 :			\ gforth.fi and not kernl???.fi
384 :			;
385 :
386 :			check-address-unit-bits
387 :			8 Constant bits/byte \ we define: byte is address-unit
388 :
389 :			1 bits/byte lshift Constant maxbyte
390 :	jwilke	1.67	\ this sets byte size for the target machine, an (probably right guess) jaw
391 :
392 :	pazsan	1.19	T
393 :	jwilke	1.71	NIL Constant TNIL
394 :			cell Constant tcell
395 :			cell<< Constant tcell<<
396 :			cell>bit Constant tcell>bit
397 :			bits/char Constant tbits/char
398 :			bits/char H bits/byte T /
399 :			Constant tchar
400 :			float Constant tfloat
401 :			1 bits/char lshift Constant tmaxchar
402 :			[IFUNDEF] bits/byte
403 :			8 Constant tbits/byte
404 :			[ELSE]
405 :			bits/byte Constant tbits/byte
406 :			[THEN]
407 :	pazsan	1.19	H
408 :	jwilke	1.71	tbits/byte bits/byte / Constant tbyte
409 :
410 :	pazsan	1.19
411 :	anton	1.48	\ Variables 06oct92py
412 :
413 :			Variable image
414 :			Variable tlast TNIL tlast ! \ Last name field
415 :			Variable tlastcfa \ Last code field
416 :			Variable tdoes \ Resolve does> calls
417 :			Variable bit$
418 :	jwilke	1.52
419 :			\ statistics 10jun97jaw
420 :
421 :			Variable headers-named 0 headers-named !
422 :			Variable user-vars 0 user-vars !
423 :
424 :	jwilke	1.67	: target>bitmask-size ( u1 -- u2 )
425 :			1- tcell>bit rshift 1+ ;
426 :
427 :			: allocatetarget ( size --- adr )
428 :			dup allocate ABORT" CROSS: No memory for target"
429 :			swap over swap erase ;
430 :	jwilke	1.52
431 :	pazsan	1.54	\ \ memregion.fs
432 :	jwilke	1.52
433 :
434 :			Variable last-defined-region \ pointer to last defined region
435 :			Variable region-link \ linked list with all regions
436 :			Variable mirrored-link \ linked list for mirrored regions
437 :			0 dup mirrored-link ! region-link !
438 :
439 :
440 :	jwilke	1.67	: >rname 6 cells + ;
441 :			: >rbm 5 cells + ;
442 :			: >rmem 4 cells + ;
443 :			: >rlink 3 cells + ;
444 :	jwilke	1.52	: >rdp 2 cells + ;
445 :			: >rlen cell+ ;
446 :			: >rstart ;
447 :
448 :
449 :			: region ( addr len -- ) \G create a new region
450 :			\ check whether predefined region exists
451 :			save-input bl word find >r >r restore-input throw r> r> 0=
452 :			IF \ make region
453 :			drop
454 :			save-input create restore-input throw
455 :			here last-defined-region !
456 :			over ( startaddr ) , ( length ) , ( dp ) ,
457 :	jwilke	1.67	region-link linked 0 , 0 , bl word count string,
458 :	jwilke	1.52	ELSE \ store new parameters in region
459 :			bl word drop
460 :			>body >r r@ last-defined-region !
461 :	jwilke	1.67	r@ >rlen ! dup r@ >rstart ! r> >rdp !
462 :	jwilke	1.52	THEN ;
463 :
464 :			: borders ( region -- startaddr endaddr ) \G returns lower and upper region border
465 :	jwilke	1.67	dup >rstart @ swap >rlen @ over + ;
466 :	jwilke	1.52
467 :			: extent ( region -- startaddr len ) \G returns the really used area
468 :	jwilke	1.67	dup >rstart @ swap >rdp @ over - ;
469 :	jwilke	1.52
470 :			: area ( region -- startaddr totallen ) \G returns the total area
471 :	jwilke	1.67	dup >rstart swap >rlen @ ;
472 :	jwilke	1.52
473 :			: mirrored \G mark a region as mirrored
474 :			mirrored-link
475 :	jwilke	1.68	align linked last-defined-region @ , ;
476 :	jwilke	1.52
477 :	jwilke	1.67	: .addr ( u -- )
478 :			\G prints a 16 or 32 Bit nice hex value
479 :	jwilke	1.52	base @ >r hex
480 :			tcell 2 u>
481 :			IF s>d <# # # # # '. hold # # # # #> type
482 :			ELSE s>d <# # # # # # #> type
483 :			THEN r> base ! ;
484 :
485 :			: .regions \G display region statistic
486 :
487 :			\ we want to list the regions in the right order
488 :			\ so first collect all regions on stack
489 :			0 region-link @
490 :			BEGIN dup WHILE dup @ REPEAT drop
491 :			BEGIN dup
492 :	jwilke	1.67	WHILE cr
493 :			0 >rlink - >r
494 :			r@ >rname count tuck type
495 :	jwilke	1.52	12 swap - 0 max spaces space
496 :	jwilke	1.67	." Start: " r@ >rstart @ dup .addr space
497 :			." End: " r@ >rlen @ + .addr space
498 :			." DP: " r> >rdp @ .addr
499 :	jwilke	1.52	REPEAT drop
500 :	jwilke	1.53	s" rom" T $has? H 0= ?EXIT
501 :	jwilke	1.52	cr ." Mirrored:"
502 :			mirrored-link @
503 :			BEGIN dup
504 :	jwilke	1.67	WHILE space dup cell+ @ >rname count type @
505 :	jwilke	1.52	REPEAT drop cr
506 :			;
507 :
508 :			\ -------- predefined regions
509 :
510 :			0 0 region address-space
511 :			\ total memory addressed and used by the target system
512 :
513 :			0 0 region dictionary
514 :			\ rom area for the compiler
515 :
516 :	jwilke	1.53	T has? rom H
517 :	jwilke	1.52	[IF]
518 :			0 0 region ram-dictionary mirrored
519 :			\ ram area for the compiler
520 :			[ELSE]
521 :			' dictionary ALIAS ram-dictionary
522 :			[THEN]
523 :
524 :			0 0 region return-stack
525 :
526 :			0 0 region data-stack
527 :
528 :			0 0 region tib-region
529 :
530 :			' dictionary ALIAS rom-dictionary
531 :
532 :
533 :			: setup-target ( -- ) \G initialize targets memory space
534 :	jwilke	1.53	s" rom" T $has? H
535 :	jwilke	1.52	IF \ check for ram and rom...
536 :	jwilke	1.72	\ address-space area nip 0<>
537 :	jwilke	1.67	ram-dictionary area nip 0<>
538 :			rom-dictionary area nip 0<>
539 :	jwilke	1.72	and 0=
540 :	jwilke	1.52	ABORT" CROSS: define address-space, rom- , ram-dictionary, with rom-support!"
541 :			THEN
542 :			address-space area nip
543 :			IF
544 :			address-space area
545 :			ELSE
546 :			dictionary area
547 :			THEN
548 :	jwilke	1.67	nip 0=
549 :	jwilke	1.52	ABORT" CROSS: define at least address-space or dictionary!!"
550 :	jwilke	1.67
551 :			\ allocate target for each region
552 :			region-link
553 :			BEGIN @ dup
554 :			WHILE dup
555 :			0 >rlink - >r
556 :			r@ >rlen @
557 :			IF \ allocate mem
558 :			r@ >rlen @ dup
559 :
560 :			allocatetarget dup image !
561 :			r@ >rmem !
562 :
563 :			target>bitmask-size allocatetarget
564 :	jwilke	1.72	dup bit$ !
565 :	jwilke	1.67	r> >rbm !
566 :
567 :			ELSE r> drop THEN
568 :	jwilke	1.72	REPEAT drop ;
569 :
570 :			\ MakeKernal 22feb99jaw
571 :
572 :			: makekernel ( targetsize -- targetsize )
573 :			dup dictionary >rlen ! setup-target ;
574 :
575 :			>MINIMAL
576 :			: makekernel makekernel ;
577 :			>CROSS
578 :	jwilke	1.52
579 :	pazsan	1.54	\ \ switched tdp for rom support 03jun97jaw
580 :	jwilke	1.52
581 :			\ second value is here to store some maximal value for statistics
582 :			\ tempdp is also embedded here but has nothing to do with rom support
583 :			\ (needs switched dp)
584 :
585 :			variable tempdp 0 , \ temporary dp for resolving
586 :			variable tempdp-save
587 :
588 :			0 [IF]
589 :			variable romdp 0 , \ Dictionary-Pointer for ramarea
590 :			variable ramdp 0 , \ Dictionary-Pointer for romarea
591 :
592 :			\
593 :			variable sramdp \ start of ram-area for forth
594 :			variable sromdp \ start of rom-area for forth
595 :
596 :			[THEN]
597 :
598 :
599 :			0 value tdp
600 :			variable fixed \ flag: true: no automatic switching
601 :			\ false: switching is done automatically
602 :
603 :			\ Switch-Policy:
604 :			\
605 :			\ a header is always compiled into rom
606 :			\ after a created word (create and variable) compilation goes to ram
607 :			\
608 :			\ Be careful: If you want to make the data behind create into rom
609 :			\ you have to put >rom before create!
610 :
611 :			variable constflag constflag off
612 :
613 :	jwilke	1.67	: activate ( region -- )
614 :			\G next code goes to this region
615 :			>rdp to tdp ;
616 :
617 :	jwilke	1.52	: (switchram)
618 :	jwilke	1.53	fixed @ ?EXIT s" rom" T $has? H 0= ?EXIT
619 :	jwilke	1.67	ram-dictionary activate ;
620 :	jwilke	1.52
621 :			: switchram
622 :			constflag @
623 :			IF constflag off ELSE (switchram) THEN ;
624 :
625 :			: switchrom
626 :	jwilke	1.67	fixed @ ?EXIT rom-dictionary activate ;
627 :	jwilke	1.52
628 :			: >tempdp ( addr -- )
629 :			tdp tempdp-save ! tempdp to tdp tdp ! ;
630 :			: tempdp> ( -- )
631 :			tempdp-save @ to tdp ;
632 :
633 :			: >ram fixed off (switchram) fixed on ;
634 :			: >rom fixed off switchrom fixed on ;
635 :			: >auto fixed off switchrom ;
636 :
637 :
638 :
639 :			\ : romstart dup sromdp ! romdp ! ;
640 :			\ : ramstart dup sramdp ! ramdp ! ;
641 :
642 :	jwilke	1.67	\ default compilation goes to rom
643 :	jwilke	1.52	\ when romable support is off, only the rom switch is used (!!)
644 :			>auto
645 :
646 :	anton	1.48	: there tdp @ ;
647 :
648 :	jwilke	1.52	>TARGET
649 :	anton	1.48
650 :	jwilke	1.52	\ \ Target Memory Handling
651 :	anton	1.1
652 :			\ Byte ordering and cell size 06oct92py
653 :
654 :	pazsan	1.19	: cell+ tcell + ;
655 :			: cells tcell<< lshift ;
656 :	jwilke	1.71	: chars tchar * ;
657 :			: char+ tchar + ;
658 :	pazsan	1.19	: floats tfloat * ;
659 :	anton	1.6
660 :	anton	1.1	>CROSS
661 :	pazsan	1.19	: cell/ tcell<< rshift ;
662 :	anton	1.1	>TARGET
663 :			20 CONSTANT bl
664 :	jwilke	1.52	\ TNIL Constant NIL
665 :	anton	1.1
666 :			>CROSS
667 :
668 :	pazsan	1.20	bigendian
669 :			[IF]
670 :	jwilke	1.52	: S! ( n addr -- ) >r s>d r> tcell bounds swap 1-
671 :	pazsan	1.20	DO maxbyte ud/mod rot I c! -1 +LOOP 2drop ;
672 :	jwilke	1.52	: S@ ( addr -- n ) >r 0 0 r> tcell bounds
673 :	pazsan	1.20	DO maxbyte * swap maxbyte um* rot + swap I c@ + swap LOOP d>s ;
674 :	pazsan	1.57	: Sc! ( n addr -- ) >r s>d r> tchar bounds swap 1-
675 :			DO maxbyte ud/mod rot I c! -1 +LOOP 2drop ;
676 :			: Sc@ ( addr -- n ) >r 0 0 r> tchar bounds
677 :			DO maxbyte * swap maxbyte um* rot + swap I c@ + swap LOOP d>s ;
678 :	pazsan	1.19	[ELSE]
679 :	jwilke	1.52	: S! ( n addr -- ) >r s>d r> tcell bounds
680 :	pazsan	1.20	DO maxbyte ud/mod rot I c! LOOP 2drop ;
681 :	jwilke	1.52	: S@ ( addr -- n ) >r 0 0 r> tcell bounds swap 1-
682 :	pazsan	1.20	DO maxbyte * swap maxbyte um* rot + swap I c@ + swap -1 +LOOP d>s ;
683 :	pazsan	1.57	: Sc! ( n addr -- ) >r s>d r> tchar bounds
684 :			DO maxbyte ud/mod rot I c! LOOP 2drop ;
685 :			: Sc@ ( addr -- n ) >r 0 0 r> tchar bounds swap 1-
686 :			DO maxbyte * swap maxbyte um* rot + swap I c@ + swap -1 +LOOP d>s ;
687 :	anton	1.1	[THEN]
688 :
689 :	jwilke	1.67	: taddr>region ( taddr -- region \| 0 )
690 :			\G finds for a target-address the correct region
691 :			\G returns 0 if taddr is not in range of a target memory region
692 :			region-link
693 :			BEGIN @ dup
694 :			WHILE dup >r
695 :			0 >rlink - >r
696 :			r@ >rlen @
697 :			IF dup r@ borders within
698 :			IF r> r> drop nip EXIT THEN
699 :			THEN
700 :			r> drop
701 :			r>
702 :			REPEAT
703 :			2drop 0 ;
704 :
705 :			: (>regionimage) ( taddr -- 'taddr )
706 :			dup
707 :			\ find region we want to address
708 :			taddr>region dup 0= ABORT" Address out of range!"
709 :			>r
710 :			\ calculate offset in region
711 :			r@ >rstart @ -
712 :			\ add regions real address in our memory
713 :			r> >rmem @ + ;
714 :
715 :	anton	1.1	\ Bit string manipulation 06oct92py
716 :			\ 9may93jaw
717 :			CREATE Bittable 80 c, 40 c, 20 c, 10 c, 8 c, 4 c, 2 c, 1 c,
718 :			: bits ( n -- n ) chars Bittable + c@ ;
719 :
720 :			: >bit ( addr n -- c-addr mask ) 8 /mod rot + swap bits ;
721 :			: +bit ( addr n -- ) >bit over c@ or swap c! ;
722 :	pazsan	1.4	: -bit ( addr n -- ) >bit invert over c@ and swap c! ;
723 :	jwilke	1.67
724 :			: (relon) ( taddr -- ) bit$ @ swap cell/ +bit ;
725 :			: (reloff) ( taddr -- ) bit$ @ swap cell/ -bit ;
726 :
727 :			: (>image) ( taddr -- absaddr ) image @ + ;
728 :
729 :			DEFER >image
730 :			DEFER relon
731 :			DEFER reloff
732 :			DEFER correcter
733 :
734 :			T has? relocate H
735 :			[IF]
736 :			' (relon) IS relon
737 :			' (reloff) IS reloff
738 :			' (>image) IS >image
739 :			[ELSE]
740 :			' drop IS relon
741 :			' drop IS reloff
742 :	jwilke	1.68	' (>regionimage) IS >image
743 :	jwilke	1.67	[THEN]
744 :	anton	1.1
745 :			\ Target memory access 06oct92py
746 :
747 :			: align+ ( taddr -- rest )
748 :	anton	1.48	tcell tuck 1- and - [ tcell 1- ] Literal and ;
749 :	anton	1.22	: cfalign+ ( taddr -- rest )
750 :	pazsan	1.39	\ see kernel.fs:cfaligned
751 :	pazsan	1.43	/maxalign tuck 1- and - [ /maxalign 1- ] Literal and ;
752 :	anton	1.1
753 :			>TARGET
754 :			: aligned ( taddr -- ta-addr ) dup align+ + ;
755 :			\ assumes cell alignment granularity (as GNU C)
756 :
757 :	anton	1.22	: cfaligned ( taddr1 -- taddr2 )
758 :	pazsan	1.39	\ see kernel.fs
759 :	anton	1.22	dup cfalign+ + ;
760 :
761 :	jwilke	1.52	: @ ( taddr -- w ) >image S@ ;
762 :			: ! ( w taddr -- ) >image S! ;
763 :	pazsan	1.57	: c@ ( taddr -- char ) >image Sc@ ;
764 :			: c! ( char taddr -- ) >image Sc! ;
765 :	anton	1.7	: 2@ ( taddr -- x1 x2 ) T dup cell+ @ swap @ H ;
766 :			: 2! ( x1 x2 taddr -- ) T swap over ! cell+ ! H ;
767 :	anton	1.1
768 :			\ Target compilation primitives 06oct92py
769 :			\ included A! 16may93jaw
770 :
771 :			: here ( -- there ) there ;
772 :			: allot ( n -- ) tdp +! ;
773 :	jwilke	1.52	: , ( w -- ) T here H tcell T allot ! H T here drop H ;
774 :	pazsan	1.57	: c, ( char -- ) T here tchar allot c! H ;
775 :	jwilke	1.67	: align ( -- ) T here H align+ 0 ?DO bl T c, tchar H +LOOP ;
776 :	anton	1.22	: cfalign ( -- )
777 :	pazsan	1.59	T here H cfalign+ 0 ?DO bl T c, tchar H +LOOP ;
778 :	anton	1.1
779 :	jwilke	1.71	: >address dup 0>= IF tbyte / THEN ; \ ?? jaw
780 :	pazsan	1.59	: A! swap >address swap dup relon T ! H ;
781 :			: A, ( w -- ) >address T here H relon T , H ;
782 :	anton	1.1
783 :			>CROSS
784 :
785 :	jwilke	1.52	: tcmove ( source dest len -- )
786 :			\G cmove in target memory
787 :	pazsan	1.57	tchar * bounds
788 :	jwilke	1.52	?DO dup T c@ H I T c! H 1+
789 :	pazsan	1.57	tchar +LOOP drop ;
790 :	anton	1.1
791 :	jwilke	1.67	\ \ Load Assembler
792 :
793 :	anton	1.1	>TARGET
794 :	jwilke	1.74	H also Forth definitions
795 :	anton	1.1
796 :	jwilke	1.52	: X also target bl word find
797 :			IF state @ IF compile,
798 :			ELSE execute THEN
799 :			ELSE previous ABORT" Cross: access method not supported!"
800 :			THEN
801 :			previous ; immediate
802 :	anton	1.1
803 :	jwilke	1.52	[IFDEF] asm-include asm-include [THEN] hex
804 :	anton	1.1
805 :	jwilke	1.52	previous
806 :			>CROSS H
807 :	anton	1.1
808 :	jwilke	1.52	\ \ -------------------- Compiler Plug Ins 01aug97jaw
809 :	anton	1.1
810 :	pazsan	1.54	\ Compiler States
811 :
812 :			Variable comp-state
813 :			0 Constant interpreting
814 :			1 Constant compiling
815 :			2 Constant resolving
816 :			3 Constant assembling
817 :
818 :	jwilke	1.52	Defer lit, ( n -- )
819 :			Defer alit, ( n -- )
820 :	pazsan	1.54
821 :			Defer branch, ( target-addr -- ) \ compiles a branch
822 :			Defer ?branch, ( target-addr -- ) \ compiles a ?branch
823 :			Defer branchmark, ( -- branch-addr ) \ reserves room for a branch
824 :			Defer ?branchmark, ( -- branch-addr ) \ reserves room for a ?branch
825 :			Defer ?domark, ( -- branch-addr ) \ reserves room for a ?do branch
826 :			Defer branchto, ( -- ) \ actual program position is target of a branch (do e.g. alignment)
827 :			Defer branchtoresolve, ( branch-addr -- ) \ resolves a forward reference from branchmark
828 :			Defer branchfrom, ( -- ) \ ?!
829 :			Defer branchtomark, ( -- target-addr ) \ marks a branch destination
830 :
831 :	jwilke	1.52	Defer colon, ( tcfa -- ) \ compiles call to tcfa at current position
832 :	pazsan	1.54	Defer colonmark, ( -- addr ) \ marks a colon call
833 :	jwilke	1.52	Defer colon-resolve ( tcfa addr -- )
834 :	pazsan	1.54
835 :	jwilke	1.52	Defer addr-resolve ( target-addr addr -- )
836 :	pazsan	1.54	Defer doer-resolve ( ghost res-pnt target-addr addr -- ghost res-pnt )
837 :
838 :			Defer do, ( -- do-token )
839 :			Defer ?do, ( -- ?do-token )
840 :			Defer for, ( -- for-token )
841 :			Defer loop, ( do-token / ?do-token -- )
842 :			Defer +loop, ( do-token / ?do-token -- )
843 :			Defer next, ( for-token )
844 :	anton	1.1
845 :	jwilke	1.52	[IFUNDEF] ca>native
846 :			defer ca>native
847 :			[THEN]
848 :	anton	1.1
849 :	jwilke	1.52	>TARGET
850 :			DEFER >body \ we need the system >body
851 :			\ and the target >body
852 :			>CROSS
853 :			T 2 cells H VALUE xt>body
854 :	pazsan	1.54	DEFER doprim, \ compiles start of a primitive
855 :			DEFER docol, \ compiles start of a colon definition
856 :	jwilke	1.52	DEFER doer,
857 :			DEFER fini, \ compiles end of definition ;s
858 :			DEFER doeshandler,
859 :			DEFER dodoes,
860 :
861 :			DEFER ]comp \ starts compilation
862 :			DEFER comp[ \ ends compilation
863 :
864 :	pazsan	1.54	: (cc) T a, H ; ' (cc) IS colon,
865 :
866 :			: (cr) >tempdp ]comp colon, comp[ tempdp> ; ' (cr) IS colon-resolve
867 :			: (ar) T ! H ; ' (ar) IS addr-resolve
868 :			: (dr) ( ghost res-pnt target-addr addr )
869 :			>tempdp drop over
870 :			dup >magic @ <do:> =
871 :			IF doer,
872 :			ELSE dodoes,
873 :			THEN
874 :			tempdp> ; ' (dr) IS doer-resolve
875 :
876 :			: (cm) ( -- addr )
877 :			T here align H
878 :			-1 colon, ; ' (cm) IS colonmark,
879 :	anton	1.1
880 :	jwilke	1.52	>TARGET
881 :			: compile, colon, ;
882 :			>CROSS
883 :	anton	1.1
884 :	jwilke	1.53	\ file loading
885 :
886 :	pazsan	1.54	: >fl-id 1 cells + ;
887 :			: >fl-name 2 cells + ;
888 :
889 :	jwilke	1.53	Variable filelist 0 filelist !
890 :	jwilke	1.67	Create NoFile ," #load-file#"
891 :	pazsan	1.54	0 Value filemem
892 :	jwilke	1.67	: loadfile FileMem ?dup IF >fl-name ELSE NoFile THEN ;
893 :	jwilke	1.53
894 :	pazsan	1.54	1 [IF] \ !! JAW WIP
895 :	anton	1.1
896 :	jwilke	1.53	: add-included-file ( adr len -- )
897 :	pazsan	1.54	dup char+ >fl-name allocate throw >r
898 :			r@ >fl-name place
899 :	jwilke	1.53	filelist @ r@ !
900 :	pazsan	1.54	r> dup filelist ! to FileMem
901 :			;
902 :	jwilke	1.53
903 :			: included? ( c-addr u -- f )
904 :			filelist
905 :			BEGIN @ dup
906 :			WHILE >r r@ 1 cells + count compare 0=
907 :			IF rdrop 2drop true EXIT THEN
908 :			r>
909 :			REPEAT
910 :			2drop drop false ;
911 :
912 :	jwilke	1.74	false DebugFlag showincludedfiles
913 :
914 :	jwilke	1.53	: included
915 :	jwilke	1.74	[d?] showincludedfiles
916 :			IF cr ." Including: " 2dup type ." ..." THEN
917 :	pazsan	1.54	FileMem >r
918 :			2dup add-included-file included
919 :			r> to FileMem ;
920 :	jwilke	1.53
921 :			: include bl word count included ;
922 :
923 :			: require bl word count included ;
924 :
925 :			[THEN]
926 :	anton	1.1
927 :	jwilke	1.52	\ resolve structure
928 :	anton	1.1
929 :	jwilke	1.52	: >next ; \ link to next field
930 :	pazsan	1.54	: >tag cell+ ; \ indecates type of reference: 0: call, 1: address, 2: doer
931 :	jwilke	1.53	: >taddr cell+ cell+ ;
932 :	jwilke	1.52	: >ghost 3 cells + ;
933 :	jwilke	1.53	: >file 4 cells + ;
934 :			: >line 5 cells + ;
935 :	anton	1.48
936 :	pazsan	1.54	: (refered) ( ghost addr tag -- )
937 :			\G creates a reference to ghost at address taddr
938 :			rot >r here r@ >link @ , r> >link !
939 :			( taddr tag ) ,
940 :			( taddr ) ,
941 :			last-header-ghost @ ,
942 :			loadfile ,
943 :			sourceline# ,
944 :			;
945 :
946 :	jwilke	1.52	: refered ( ghost tag -- )
947 :	jwilke	1.53	\G creates a resolve structure
948 :	pazsan	1.54	T here aligned H swap (refered)
949 :			;
950 :
951 :			: killref ( addr ghost -- )
952 :			\G kills a forward reference to ghost at position addr
953 :			\G this is used to eleminate a :dovar refence after making a DOES>
954 :			dup >magic @ <fwd> <> IF 2drop EXIT THEN
955 :			swap >r >link
956 :			BEGIN dup @ dup ( addr last this )
957 :			WHILE dup >taddr @ r@ =
958 :			IF @ over !
959 :			ELSE nip THEN
960 :			REPEAT rdrop 2drop
961 :	jwilke	1.53	;
962 :	anton	1.48
963 :	jwilke	1.52	Defer resolve-warning
964 :	anton	1.1
965 :	jwilke	1.52	: reswarn-test ( ghost res-struct -- ghost res-struct )
966 :			over cr ." Resolving " >ghostname type dup ." in " >ghost @ >ghostname type ;
967 :	anton	1.1
968 :	jwilke	1.52	: reswarn-forward ( ghost res-struct -- ghost res-struct )
969 :			over warnhead >ghostname type dup ." is referenced in "
970 :			>ghost @ >ghostname type ;
971 :	anton	1.1
972 :	jwilke	1.52	\ ' reswarn-test IS resolve-warning
973 :
974 :	anton	1.1	\ resolve 14oct92py
975 :
976 :	pazsan	1.54	: resolve-loop ( ghost resolve-list tcfa -- )
977 :			>r
978 :			BEGIN dup WHILE
979 :			\ dup >tag @ 2 = IF reswarn-forward THEN
980 :			resolve-warning
981 :			r@ over >taddr @
982 :			2 pick >tag @
983 :			CASE 0 OF colon-resolve ENDOF
984 :			1 OF addr-resolve ENDOF
985 :			2 OF doer-resolve ENDOF
986 :			ENDCASE
987 :			@ \ next list element
988 :			REPEAT 2drop rdrop
989 :			;
990 :	jwilke	1.52
991 :			\ : resolve-loop ( ghost tcfa -- ghost tcfa )
992 :			\ >r dup >link @
993 :			\ BEGIN dup WHILE dup T @ H r@ rot T ! H REPEAT drop r> ;
994 :	anton	1.1
995 :			\ exists 9may93jaw
996 :
997 :	jwilke	1.52	Variable TWarnings
998 :			TWarnings on
999 :			Variable Exists-Warnings
1000 :			Exists-Warnings on
1001 :
1002 :	anton	1.1	: exists ( ghost tcfa -- )
1003 :			over GhostNames
1004 :			BEGIN @ dup
1005 :			WHILE 2dup cell+ @ =
1006 :			UNTIL
1007 :	jwilke	1.52	2 cells + count
1008 :			TWarnings @ Exists-Warnings @ and
1009 :			IF warnhead type ." exists"
1010 :			ELSE 2drop THEN
1011 :			drop swap >link !
1012 :	pazsan	1.24	ELSE true abort" CROSS: Ghostnames inconsistent "
1013 :	anton	1.1	THEN ;
1014 :
1015 :			: resolve ( ghost tcfa -- )
1016 :	pazsan	1.54	\G resolve referencies to ghost with tcfa
1017 :			\ is ghost resolved?, second resolve means another definition with the
1018 :			\ same name
1019 :	jwilke	1.75	over undefined? 0= IF exists EXIT THEN
1020 :	pazsan	1.54	\ get linked-list
1021 :			swap >r r@ >link @ swap \ ( list tcfa R: ghost )
1022 :			\ mark ghost as resolved
1023 :			dup r@ >link ! <res> r@ >magic !
1024 :			\ loop through forward referencies
1025 :			r> -rot
1026 :			comp-state @ >r Resolving comp-state !
1027 :			resolve-loop
1028 :			r> comp-state !
1029 :
1030 :			['] noop IS resolve-warning
1031 :	jwilke	1.52	;
1032 :	anton	1.1
1033 :			\ gexecute ghost, 01nov92py
1034 :
1035 :	jwilke	1.52	: is-forward ( ghost -- )
1036 :	pazsan	1.54	colonmark, 0 (refered) ; \ compile space for call
1037 :	jwilke	1.52
1038 :			: is-resolved ( ghost -- )
1039 :			>link @ colon, ; \ compile-call
1040 :
1041 :			: gexecute ( ghost -- )
1042 :			dup @ <fwd> = IF is-forward ELSE is-resolved THEN ;
1043 :
1044 :			: addr, ( ghost -- )
1045 :			dup @ <fwd> = IF 1 refered 0 T a, H ELSE >link @ T a, H THEN ;
1046 :
1047 :			\ !! : ghost, ghost gexecute ;
1048 :	anton	1.1
1049 :			\ .unresolved 11may93jaw
1050 :
1051 :			variable ResolveFlag
1052 :
1053 :			\ ?touched 11may93jaw
1054 :
1055 :	jwilke	1.52	: ?touched ( ghost -- flag ) dup forward? swap >link @
1056 :	anton	1.1	0 <> and ;
1057 :
1058 :	jwilke	1.53	: .forwarddefs ( ghost -- )
1059 :			." appeared in:"
1060 :			>link
1061 :			BEGIN @ dup
1062 :			WHILE cr 5 spaces
1063 :			dup >ghost @ >ghostname type
1064 :			." file " dup >file @ ?dup IF count type ELSE ." CON" THEN
1065 :			." line " dup >line @ .dec
1066 :			REPEAT
1067 :			drop ;
1068 :
1069 :	anton	1.1	: ?resolved ( ghostname -- )
1070 :			dup cell+ @ ?touched
1071 :	jwilke	1.53	IF dup
1072 :			cell+ cell+ count cr type ResolveFlag on
1073 :			cell+ @ .forwarddefs
1074 :			ELSE drop
1075 :			THEN ;
1076 :	anton	1.1
1077 :			>MINIMAL
1078 :			: .unresolved ( -- )
1079 :			ResolveFlag off cr ." Unresolved: "
1080 :			Ghostnames
1081 :			BEGIN @ dup
1082 :			WHILE dup ?resolved
1083 :	anton	1.10	REPEAT drop ResolveFlag @
1084 :			IF
1085 :	anton	1.48	-1 abort" Unresolved words!"
1086 :	anton	1.10	ELSE
1087 :			." Nothing!"
1088 :			THEN
1089 :			cr ;
1090 :	anton	1.1
1091 :	jwilke	1.52	: .stats
1092 :			base @ >r decimal
1093 :			cr ." named Headers: " headers-named @ .
1094 :			r> base ! ;
1095 :
1096 :	anton	1.1	>CROSS
1097 :			\ Header states 12dec92py
1098 :
1099 :			: flag! ( 8b -- ) tlast @ dup >r T c@ xor r> c! H ;
1100 :
1101 :			VARIABLE ^imm
1102 :
1103 :			>TARGET
1104 :	anton	1.36	: immediate 40 flag!
1105 :	pazsan	1.18	^imm @ @ dup <imm> = IF drop EXIT THEN
1106 :	anton	1.1	<res> <> ABORT" CROSS: Cannot immediate a unresolved word"
1107 :			<imm> ^imm @ ! ;
1108 :	anton	1.36	: restrict 20 flag! ;
1109 :	jwilke	1.52
1110 :	pazsan	1.54	: isdoer
1111 :			\G define a forth word as doer, this makes obviously only sence on
1112 :			\G forth processors such as the PSC1000
1113 :			<do:> last-header-ghost @ >magic ! ;
1114 :	anton	1.1	>CROSS
1115 :
1116 :			\ ALIAS2 ansforth conform alias 9may93jaw
1117 :
1118 :			: ALIAS2 create here 0 , DOES> @ execute ;
1119 :			\ usage:
1120 :	pazsan	1.18	\ ' <name> alias2 bla !
1121 :	anton	1.1
1122 :			\ Target Header Creation 01nov92py
1123 :
1124 :	jwilke	1.52	>TARGET
1125 :	anton	1.1	: string, ( addr count -- )
1126 :	pazsan	1.28	dup T c, H bounds ?DO I c@ T c, H LOOP ;
1127 :	jwilke	1.52	: name, ( "name" -- ) bl word count T string, cfalign H ;
1128 :	anton	1.1	: view, ( -- ) ( dummy ) ;
1129 :	jwilke	1.52	>CROSS
1130 :	anton	1.1
1131 :	pazsan	1.25	\ Target Document Creation (goes to crossdoc.fd) 05jul95py
1132 :
1133 :	pazsan	1.55	s" ./doc/crossdoc.fd" r/w create-file throw value doc-file-id
1134 :	pazsan	1.25	\ contains the file-id of the documentation file
1135 :
1136 :	pazsan	1.40	: T-\G ( -- )
1137 :	pazsan	1.25	source >in @ /string doc-file-id write-line throw
1138 :	pazsan	1.40	postpone \ ;
1139 :	pazsan	1.25
1140 :	pazsan	1.39	Variable to-doc to-doc on
1141 :	pazsan	1.25
1142 :			: cross-doc-entry ( -- )
1143 :			to-doc @ tlast @ 0<> and \ not an anonymous (i.e. noname) header
1144 :			IF
1145 :			s" " doc-file-id write-line throw
1146 :			s" make-doc " doc-file-id write-file throw
1147 :			tlast @ >image count $1F and doc-file-id write-file throw
1148 :			>in @
1149 :			[char] ( parse 2drop
1150 :			[char] ) parse doc-file-id write-file throw
1151 :			s" )" doc-file-id write-file throw
1152 :			[char] \ parse 2drop
1153 :	pazsan	1.40	T-\G
1154 :	pazsan	1.25	>in !
1155 :	pazsan	1.39	THEN ;
1156 :	pazsan	1.25
1157 :	pazsan	1.28	\ Target TAGS creation
1158 :
1159 :	pazsan	1.39	s" kernel.TAGS" r/w create-file throw value tag-file-id
1160 :	pazsan	1.28	\ contains the file-id of the tags file
1161 :
1162 :			Create tag-beg 2 c, 7F c, bl c,
1163 :			Create tag-end 2 c, bl c, 01 c,
1164 :			Create tag-bof 1 c, 0C c,
1165 :
1166 :			2variable last-loadfilename 0 0 last-loadfilename 2!
1167 :
1168 :			: put-load-file-name ( -- )
1169 :			loadfilename 2@ last-loadfilename 2@ d<>
1170 :			IF
1171 :			tag-bof count tag-file-id write-line throw
1172 :	anton	1.31	sourcefilename 2dup
1173 :	pazsan	1.28	tag-file-id write-file throw
1174 :			last-loadfilename 2!
1175 :			s" ,0" tag-file-id write-line throw
1176 :			THEN ;
1177 :
1178 :			: cross-tag-entry ( -- )
1179 :			tlast @ 0<> \ not an anonymous (i.e. noname) header
1180 :			IF
1181 :			put-load-file-name
1182 :			source >in @ min tag-file-id write-file throw
1183 :			tag-beg count tag-file-id write-file throw
1184 :			tlast @ >image count $1F and tag-file-id write-file throw
1185 :			tag-end count tag-file-id write-file throw
1186 :	anton	1.31	base @ decimal sourceline# 0 <# #s #> tag-file-id write-file throw
1187 :	pazsan	1.28	\ >in @ 0 <# #s [char] , hold #> tag-file-id write-line throw
1188 :			s" ,0" tag-file-id write-line throw
1189 :			base !
1190 :			THEN ;
1191 :
1192 :	pazsan	1.43	\ Check for words
1193 :
1194 :			Defer skip? ' false IS skip?
1195 :
1196 :	jwilke	1.75	: skipdef ( <name> -- )
1197 :			\G skip definition of an undefined word in undef-words mode
1198 :			ghost dup forward?
1199 :			IF >magic <skip> swap !
1200 :			ELSE drop THEN ;
1201 :
1202 :	pazsan	1.43	: defined? ( -- flag ) \ name
1203 :	jwilke	1.75	ghost undefined? 0= ;
1204 :
1205 :			: defined2? ( -- flag ) \ name
1206 :			\G return true for anything else than forward, even for <skip>
1207 :			\G that's what we want
1208 :	jwilke	1.52	ghost forward? 0= ;
1209 :	pazsan	1.43
1210 :			: needed? ( -- flag ) \ name
1211 :	anton	1.48	\G returns a false flag when
1212 :			\G a word is not defined
1213 :			\G a forward reference exists
1214 :			\G so the definition is not skipped!
1215 :			bl word gfind
1216 :	jwilke	1.75	IF dup undefined?
1217 :	anton	1.48	nip
1218 :			0=
1219 :			ELSE drop true THEN ;
1220 :	pazsan	1.43
1221 :	pazsan	1.44	: doer? ( -- flag ) \ name
1222 :			ghost >magic @ <do:> = ;
1223 :
1224 :	pazsan	1.43	: skip-defs ( -- )
1225 :			BEGIN refill WHILE source -trailing nip 0= UNTIL THEN ;
1226 :
1227 :	pazsan	1.28	\ Target header creation
1228 :
1229 :	pazsan	1.54	Variable CreateFlag
1230 :			CreateFlag off
1231 :	jwilke	1.52
1232 :	pazsan	1.54	Variable NoHeaderFlag
1233 :			NoHeaderFlag off
1234 :	anton	1.1
1235 :	pazsan	1.54	: 0.r ( n1 n2 -- )
1236 :			base @ >r hex
1237 :			0 swap <# 0 ?DO # LOOP #> type
1238 :			r> base ! ;
1239 :	jwilke	1.52	: .sym
1240 :			bounds
1241 :			DO I c@ dup
1242 :			CASE '/ OF drop ." \/" ENDOF
1243 :			'\ OF drop ." \\" ENDOF
1244 :			dup OF emit ENDOF
1245 :			ENDCASE
1246 :	pazsan	1.54	LOOP ;
1247 :	jwilke	1.52
1248 :	pazsan	1.43	: (Theader ( "name" -- ghost )
1249 :	pazsan	1.54	\ >in @ bl word count type 2 spaces >in !
1250 :			\ wordheaders will always be compiled to rom
1251 :			switchrom
1252 :			\ build header in target
1253 :			NoHeaderFlag @
1254 :			IF NoHeaderFlag off
1255 :			ELSE
1256 :			T align H view,
1257 :	pazsan	1.59	tlast @ dup 0> IF T 1 cells - H THEN T A, H there tlast !
1258 :	pazsan	1.54	1 headers-named +! \ Statistic
1259 :			>in @ T name, H >in !
1260 :			THEN
1261 :			T cfalign here H tlastcfa !
1262 :			\ Symbol table
1263 :			\ >in @ cr ." sym:s/CFA=" there 4 0.r ." /" bl word count .sym ." /g" cr >in !
1264 :			CreateFlag @
1265 :			IF
1266 :			>in @ alias2 swap >in ! \ create alias in target
1267 :			>in @ ghost swap >in !
1268 :			swap also ghosts ' previous swap ! \ tick ghost and store in alias
1269 :			CreateFlag off
1270 :			ELSE ghost
1271 :			THEN
1272 :			dup Last-Header-Ghost !
1273 :			dup >magic ^imm ! \ a pointer for immediate
1274 :			Already @
1275 :			IF dup >end tdoes !
1276 :			ELSE 0 tdoes !
1277 :			THEN
1278 :			80 flag!
1279 :			cross-doc-entry cross-tag-entry ;
1280 :	anton	1.1
1281 :			VARIABLE ;Resolve 1 cells allot
1282 :	jwilke	1.52	\ this is the resolver information from ":"
1283 :			\ resolving is done by ";"
1284 :	anton	1.1
1285 :	pazsan	1.11	: Theader ( "name" -- ghost )
1286 :			(THeader dup there resolve 0 ;Resolve ! ;
1287 :	anton	1.1
1288 :			>TARGET
1289 :			: Alias ( cfa -- ) \ name
1290 :	pazsan	1.43	>in @ skip? IF 2drop EXIT THEN >in !
1291 :	jwilke	1.53	dup 0< s" prims" T $has? H 0= and
1292 :	pazsan	1.43	IF
1293 :	jwilke	1.53	.sourcepos ." needs prim: " >in @ bl word count type >in ! cr
1294 :	pazsan	1.43	THEN
1295 :			(THeader over resolve T A, H 80 flag! ;
1296 :	pazsan	1.42	: Alias: ( cfa -- ) \ name
1297 :	pazsan	1.43	>in @ skip? IF 2drop EXIT THEN >in !
1298 :	jwilke	1.53	dup 0< s" prims" T $has? H 0= and
1299 :	pazsan	1.43	IF
1300 :	jwilke	1.53	.sourcepos ." needs doer: " >in @ bl word count type >in ! cr
1301 :	pazsan	1.43	THEN
1302 :			ghost tuck swap resolve <do:> swap >magic ! ;
1303 :	pazsan	1.64
1304 :			Variable prim#
1305 :			: first-primitive ( n -- ) prim# ! ;
1306 :			: Primitive ( -- ) \ name
1307 :			prim# @ T Alias H -1 prim# +! ;
1308 :	anton	1.1	>CROSS
1309 :
1310 :			\ Conditionals and Comments 11may93jaw
1311 :
1312 :			: ;Cond
1313 :			postpone ;
1314 :			swap ! ; immediate
1315 :
1316 :			: Cond: ( -- ) \ name {code } ;
1317 :			atonce on
1318 :			ghost
1319 :			>exec
1320 :			:NONAME ;
1321 :
1322 :			: restrict? ( -- )
1323 :			\ aborts on interprete state - ae
1324 :			state @ 0= ABORT" CROSS: Restricted" ;
1325 :
1326 :			: Comment ( -- )
1327 :			>in @ atonce on ghost swap >in ! ' swap >exec ! ;
1328 :
1329 :			Comment ( Comment \
1330 :
1331 :			\ compile 10may93jaw
1332 :
1333 :			: compile ( -- ) \ name
1334 :			restrict?
1335 :	pazsan	1.13	bl word gfind dup 0= ABORT" CROSS: Can't compile "
1336 :	anton	1.1	0> ( immediate? )
1337 :			IF >exec @ compile,
1338 :			ELSE postpone literal postpone gexecute THEN ;
1339 :			immediate
1340 :
1341 :	jwilke	1.52	: [G']
1342 :			\G ticks a ghost and returns its address
1343 :			bl word gfind 0= ABORT" CROSS: Ghost don't exists"
1344 :			state @
1345 :			IF postpone literal
1346 :			THEN ; immediate
1347 :
1348 :			: ghost>cfa
1349 :	jwilke	1.75	dup undefined? ABORT" CROSS: forward " >link @ ;
1350 :	jwilke	1.52
1351 :			>TARGET
1352 :
1353 :			: ' ( -- cfa )
1354 :			\ returns the target-cfa of a ghost
1355 :			bl word gfind 0= ABORT" CROSS: Ghost don't exists"
1356 :			ghost>cfa ;
1357 :
1358 :			Cond: ['] T ' H alit, ;Cond
1359 :
1360 :			>CROSS
1361 :
1362 :			: [T']
1363 :			\ returns the target-cfa of a ghost, or compiles it as literal
1364 :			postpone [G'] state @ IF postpone ghost>cfa ELSE ghost>cfa THEN ; immediate
1365 :	pazsan	1.42
1366 :	jwilke	1.52	\ \ threading modell 13dec92py
1367 :			\ modularized 14jun97jaw
1368 :
1369 :			: fillcfa ( usedcells -- )
1370 :	pazsan	1.59	T cells H xt>body swap - 0 ?DO 0 T c, tchar H +LOOP ;
1371 :	jwilke	1.52
1372 :			: (>body) ( cfa -- pfa ) xt>body + ; ' (>body) T IS >body H
1373 :
1374 :			: (doer,) ( ghost -- ) ]comp gexecute comp[ 1 fillcfa ; ' (doer,) IS doer,
1375 :
1376 :			: (docol,) ( -- ) [G'] :docol doer, ; ' (docol,) IS docol,
1377 :
1378 :			: (doprim,) ( -- )
1379 :			there xt>body + ca>native T a, H 1 fillcfa ; ' (doprim,) IS doprim,
1380 :
1381 :			: (doeshandler,) ( -- )
1382 :			T cfalign H compile :doesjump T 0 , H ; ' (doeshandler,) IS doeshandler,
1383 :
1384 :			: (dodoes,) ( does-action-ghost -- )
1385 :			]comp [G'] :dodoes gexecute comp[
1386 :			addr,
1387 :			T here H tcell - reloff 2 fillcfa ; ' (dodoes,) IS dodoes,
1388 :
1389 :			: (lit,) ( n -- ) compile lit T , H ; ' (lit,) IS lit,
1390 :
1391 :	jwilke	1.67	\ if we dont produce relocatable code alit, defaults to lit, jaw
1392 :			has? relocate
1393 :			[IF]
1394 :	pazsan	1.66	: (alit,) ( n -- ) compile lit T a, H ; ' (alit,) IS alit,
1395 :	jwilke	1.67	[ELSE]
1396 :			: (alit,) ( n -- ) lit, ; ' (alit,) IS alit,
1397 :			[THEN]
1398 :	jwilke	1.52
1399 :			: (fini,) compile ;s ; ' (fini,) IS fini,
1400 :	pazsan	1.42
1401 :	pazsan	1.43	[IFUNDEF] (code)
1402 :			Defer (code)
1403 :			Defer (end-code)
1404 :			[THEN]
1405 :
1406 :	anton	1.1	>TARGET
1407 :	pazsan	1.43	: Code
1408 :	jwilke	1.52	defempty?
1409 :	anton	1.48	(THeader there resolve
1410 :	jwilke	1.53	[ T e? prims H 0= [IF] T e? ITC H [ELSE] true [THEN] ] [IF]
1411 :	jwilke	1.52	doprim,
1412 :	anton	1.48	[THEN]
1413 :			depth (code) ;
1414 :	pazsan	1.43
1415 :			: Code:
1416 :	jwilke	1.52	defempty?
1417 :	anton	1.48	ghost dup there ca>native resolve <do:> swap >magic !
1418 :	pazsan	1.43	depth (code) ;
1419 :
1420 :			: end-code
1421 :	jwilke	1.52	(end-code)
1422 :	pazsan	1.43	depth ?dup IF 1- <> ABORT" CROSS: Stack changed"
1423 :			ELSE true ABORT" CROSS: Stack empty" THEN
1424 :	jwilke	1.52	;
1425 :	anton	1.14
1426 :	pazsan	1.57	( Cond ) : chars tchar * ; ( Cond )
1427 :	anton	1.1
1428 :			>CROSS
1429 :	jwilke	1.52
1430 :	anton	1.1	\ tLiteral 12dec92py
1431 :
1432 :			>TARGET
1433 :	pazsan	1.40	Cond: \G T-\G ;Cond
1434 :
1435 :	anton	1.1	Cond: Literal ( n -- ) restrict? lit, ;Cond
1436 :			Cond: ALiteral ( n -- ) restrict? alit, ;Cond
1437 :
1438 :			: Char ( "<char>" -- ) bl word char+ c@ ;
1439 :			Cond: [Char] ( "<char>" -- ) restrict? Char lit, ;Cond
1440 :
1441 :	pazsan	1.43	\ some special literals 27jan97jaw
1442 :
1443 :	jwilke	1.52	\ !! Known Bug: Special Literals and plug-ins work only correct
1444 :			\ on 16 and 32 Bit Targets and 32 Bit Hosts!
1445 :
1446 :	pazsan	1.43	Cond: MAXU
1447 :	jwilke	1.52	restrict?
1448 :			tcell 1 cells u>
1449 :			IF compile lit tcell 0 ?DO FF T c, H LOOP
1450 :			ELSE $ffffffff lit, THEN
1451 :			;Cond
1452 :	pazsan	1.43
1453 :			Cond: MINI
1454 :	jwilke	1.52	restrict?
1455 :			tcell 1 cells u>
1456 :			IF compile lit bigendian
1457 :			IF 80 T c, H tcell 1 ?DO 0 T c, H LOOP
1458 :			ELSE tcell 1 ?DO 0 T c, H LOOP 80 T c, H
1459 :			THEN
1460 :			ELSE tcell 2 = IF $8000 ELSE $80000000 THEN lit, THEN
1461 :			;Cond
1462 :	pazsan	1.43
1463 :			Cond: MAXI
1464 :	jwilke	1.52	restrict?
1465 :			tcell 1 cells u>
1466 :			IF compile lit bigendian
1467 :			IF 7F T c, H tcell 1 ?DO FF T c, H LOOP
1468 :			ELSE tcell 1 ?DO FF T c, H LOOP 7F T c, H
1469 :			THEN
1470 :			ELSE tcell 2 = IF $7fff ELSE $7fffffff THEN lit, THEN
1471 :	pazsan	1.43	;Cond
1472 :
1473 :	anton	1.1	>CROSS
1474 :			\ Target compiling loop 12dec92py
1475 :			\ ">tib trick thrown out 10may93jaw
1476 :			\ number? defined at the top 11may93jaw
1477 :
1478 :			\ compiled word might leave items on stack!
1479 :			: tcom ( in name -- )
1480 :			gfind ?dup IF 0> IF nip >exec @ execute
1481 :			ELSE nip gexecute THEN EXIT THEN
1482 :			number? dup IF 0> IF swap lit, THEN lit, drop
1483 :			ELSE 2drop >in !
1484 :			ghost gexecute THEN ;
1485 :
1486 :			>TARGET
1487 :			\ : ; DOES> 13dec92py
1488 :			\ ] 9may93py/jaw
1489 :
1490 :			: ] state on
1491 :	pazsan	1.54	Compiling comp-state !
1492 :	anton	1.1	BEGIN
1493 :	pazsan	1.13	BEGIN >in @ bl word
1494 :	anton	1.1	dup c@ 0= WHILE 2drop refill 0=
1495 :			ABORT" CROSS: End of file while target compiling"
1496 :			REPEAT
1497 :			tcom
1498 :			state @
1499 :			0=
1500 :			UNTIL ;
1501 :
1502 :			\ by the way: defining a second interpreter (a compiler-)loop
1503 :			\ is not allowed if a system should be ans conform
1504 :
1505 :			: : ( -- colon-sys ) \ Name
1506 :	jwilke	1.52	defempty?
1507 :			constflag off \ don't let this flag work over colon defs
1508 :			\ just to go sure nothing unwanted happens
1509 :	pazsan	1.43	>in @ skip? IF drop skip-defs EXIT THEN >in !
1510 :	anton	1.1	(THeader ;Resolve ! there ;Resolve cell+ !
1511 :	jwilke	1.52	docol, ]comp depth T ] H ;
1512 :	anton	1.1
1513 :	pazsan	1.37	: :noname ( -- colon-sys )
1514 :	jwilke	1.52	T cfalign H there docol, 0 ;Resolve ! depth T ] H ;
1515 :	pazsan	1.37
1516 :	pazsan	1.2	Cond: EXIT ( -- ) restrict? compile ;S ;Cond
1517 :	anton	1.6
1518 :			Cond: ?EXIT ( -- ) 1 abort" CROSS: using ?exit" ;Cond
1519 :	pazsan	1.2
1520 :	jwilke	1.52	>CROSS
1521 :			: LastXT ;Resolve @ 0= abort" CROSS: no definition for LastXT"
1522 :			;Resolve cell+ @ ;
1523 :
1524 :			>TARGET
1525 :
1526 :			Cond: recurse ( -- ) Last-Ghost @ gexecute ;Cond
1527 :
1528 :	anton	1.1	Cond: ; ( -- ) restrict?
1529 :			depth ?dup IF 1- <> ABORT" CROSS: Stack changed"
1530 :			ELSE true ABORT" CROSS: Stack empty" THEN
1531 :	jwilke	1.52	fini,
1532 :			comp[
1533 :			state off
1534 :	anton	1.1	;Resolve @
1535 :			IF ;Resolve @ ;Resolve cell+ @ resolve THEN
1536 :	pazsan	1.54	Interpreting comp-state !
1537 :	anton	1.1	;Cond
1538 :	pazsan	1.54	Cond: [ restrict? state off Interpreting comp-state ! ;Cond
1539 :	anton	1.1
1540 :			>CROSS
1541 :	pazsan	1.54
1542 :			Create GhostDummy ghostheader
1543 :			<res> GhostDummy >magic !
1544 :
1545 :	jwilke	1.52	: !does ( does-action -- )
1546 :			\ !! zusammenziehen und dodoes, machen!
1547 :	pazsan	1.54	tlastcfa @ [G'] :dovar killref
1548 :			\ tlastcfa @ dup there >r tdp ! compile :dodoes r> tdp ! T cell+ ! H ;
1549 :	jwilke	1.52	\ !! geht so nicht, da dodoes, ghost will!
1550 :	pazsan	1.54	GhostDummy >link ! GhostDummy
1551 :			tlastcfa @ >tempdp dodoes, tempdp> ;
1552 :	anton	1.1
1553 :			>TARGET
1554 :			Cond: DOES> restrict?
1555 :	jwilke	1.52	compile (does>) doeshandler,
1556 :			\ resolve words made by builders
1557 :			tdoes @ ?dup IF @ T here H resolve THEN
1558 :	anton	1.1	;Cond
1559 :	jwilke	1.52	: DOES> switchrom doeshandler, T here H !does depth T ] H ;
1560 :	anton	1.1
1561 :			>CROSS
1562 :			\ Creation 01nov92py
1563 :
1564 :			\ Builder 11may93jaw
1565 :
1566 :	jwilke	1.52	: Builder ( Create-xt do:-xt "name" -- )
1567 :			\ builds up a builder in current vocabulary
1568 :			\ create-xt is executed when word is interpreted
1569 :			\ do:-xt is executet when the created word from builder is executed
1570 :			\ for do:-xt an additional entry after the normal ghost-enrys is used
1571 :
1572 :	anton	1.1	>in @ alias2 swap dup >in ! >r >r
1573 :	pazsan	1.54	Make-Ghost
1574 :			rot swap >exec dup @ ['] NoExec <>
1575 :			IF 2drop ELSE ! THEN
1576 :			,
1577 :	anton	1.1	r> r> >in !
1578 :	pazsan	1.11	also ghosts ' previous swap ! ;
1579 :			\ DOES> dup >exec @ execute ;
1580 :	anton	1.1
1581 :	jwilke	1.52	: gdoes, ( ghost -- )
1582 :			\ makes the codefield for a word that is built
1583 :	jwilke	1.75	>end @ dup undefined? 0=
1584 :	jwilke	1.52	IF
1585 :	pazsan	1.42	dup >magic @ <do:> =
1586 :	pazsan	1.54	IF doer,
1587 :			ELSE dodoes,
1588 :			THEN
1589 :			EXIT
1590 :	jwilke	1.52	THEN
1591 :			\ compile :dodoes gexecute
1592 :			\ T here H tcell - reloff
1593 :	pazsan	1.54	2 refered
1594 :			0 fillcfa
1595 :			;
1596 :	anton	1.1
1597 :	jwilke	1.52	: TCreate ( <name> -- )
1598 :			executed-ghost @
1599 :	anton	1.1	CreateFlag on
1600 :	jwilke	1.52	create-forward-warn
1601 :			IF ['] reswarn-forward IS resolve-warning THEN
1602 :	pazsan	1.11	Theader >r dup gdoes,
1603 :	jwilke	1.52	\ stores execution symantic in the built word
1604 :			>end @ >exec @ r> >exec ! ;
1605 :
1606 :			: RTCreate ( <name> -- )
1607 :			\ creates a new word with code-field in ram
1608 :			executed-ghost @
1609 :			CreateFlag on
1610 :			create-forward-warn
1611 :			IF ['] reswarn-forward IS resolve-warning THEN
1612 :			\ make Alias
1613 :			(THeader there 0 T a, H 80 flag! ( S executed-ghost new-ghost )
1614 :			\ store poiter to code-field
1615 :			switchram T cfalign H
1616 :			there swap T ! H
1617 :			there tlastcfa !
1618 :			dup there resolve 0 ;Resolve !
1619 :			>r dup gdoes,
1620 :	pazsan	1.11	>end @ >exec @ r> >exec ! ;
1621 :	anton	1.1
1622 :			: Build: ( -- [xt] [colon-sys] )
1623 :	jwilke	1.52	:noname postpone TCreate ;
1624 :
1625 :			: BuildSmart: ( -- [xt] [colon-sys] )
1626 :			:noname
1627 :	jwilke	1.53	[ T has? rom H [IF] ]
1628 :	jwilke	1.52	postpone RTCreate
1629 :			[ [ELSE] ]
1630 :			postpone TCreate
1631 :			[ [THEN] ] ;
1632 :	anton	1.1
1633 :			: gdoes> ( ghost -- addr flag )
1634 :	jwilke	1.52	executed-ghost @
1635 :	anton	1.1	state @ IF gexecute true EXIT THEN
1636 :	jwilke	1.52	>link @ T >body H false ;
1637 :	anton	1.1
1638 :			\ DO: ;DO 11may93jaw
1639 :			\ changed to ?EXIT 10may93jaw
1640 :
1641 :			: DO: ( -- addr [xt] [colon-sys] )
1642 :			here ghostheader
1643 :	pazsan	1.11	:noname postpone gdoes> postpone ?EXIT ;
1644 :	anton	1.1
1645 :	pazsan	1.42	: by: ( -- addr [xt] [colon-sys] ) \ name
1646 :			ghost
1647 :			:noname postpone gdoes> postpone ?EXIT ;
1648 :
1649 :	jwilke	1.52	: ;DO ( addr [xt] [colon-sys] -- addr )
1650 :	anton	1.1	postpone ; ( S addr xt )
1651 :			over >exec ! ; immediate
1652 :
1653 :			: by ( -- addr ) \ Name
1654 :			ghost >end @ ;
1655 :
1656 :			>TARGET
1657 :			\ Variables and Constants 05dec92py
1658 :
1659 :	jwilke	1.52	Build: ( n -- ) ;
1660 :			by: :docon ( ghost -- n ) T @ H ;DO
1661 :			Builder (Constant)
1662 :
1663 :			Build: ( n -- ) T , H ;
1664 :			by (Constant)
1665 :			Builder Constant
1666 :
1667 :			Build: ( n -- ) T A, H ;
1668 :			by (Constant)
1669 :			Builder AConstant
1670 :
1671 :			Build: ( d -- ) T , , H ;
1672 :			DO: ( ghost -- d ) T dup cell+ @ swap @ H ;DO
1673 :			Builder 2Constant
1674 :
1675 :			BuildSmart: ;
1676 :	pazsan	1.42	by: :dovar ( ghost -- addr ) ;DO
1677 :	anton	1.1	Builder Create
1678 :
1679 :	jwilke	1.53	T has? rom H [IF]
1680 :	pazsan	1.54	Build: ( -- ) T here 0 , H switchram T align here swap ! 0 , H ( switchrom ) ;
1681 :	jwilke	1.52	by (Constant)
1682 :			Builder Variable
1683 :			[ELSE]
1684 :	anton	1.1	Build: T 0 , H ;
1685 :			by Create
1686 :			Builder Variable
1687 :	jwilke	1.52	[THEN]
1688 :	anton	1.1
1689 :	jwilke	1.53	T has? rom H [IF]
1690 :	pazsan	1.54	Build: ( -- ) T here 0 , H switchram T align here swap ! 0 , 0 , H ( switchrom ) ;
1691 :			by (Constant)
1692 :			Builder 2Variable
1693 :			[ELSE]
1694 :			Build: T 0 , 0 , H ;
1695 :			by Create
1696 :			Builder 2Variable
1697 :			[THEN]
1698 :
1699 :			T has? rom H [IF]
1700 :			Build: ( -- ) T here 0 , H switchram T align here swap ! 0 , H ( switchrom ) ;
1701 :	jwilke	1.52	by (Constant)
1702 :			Builder AVariable
1703 :			[ELSE]
1704 :	anton	1.1	Build: T 0 A, H ;
1705 :			by Create
1706 :			Builder AVariable
1707 :	jwilke	1.52	[THEN]
1708 :	anton	1.1
1709 :	pazsan	1.3	\ User variables 04may94py
1710 :
1711 :			>CROSS
1712 :			Variable tup 0 tup !
1713 :			Variable tudp 0 tudp !
1714 :			: u, ( n -- udp )
1715 :			tup @ tudp @ + T ! H
1716 :	pazsan	1.19	tudp @ dup T cell+ H tudp ! ;
1717 :	pazsan	1.3	: au, ( n -- udp )
1718 :			tup @ tudp @ + T A! H
1719 :	pazsan	1.19	tudp @ dup T cell+ H tudp ! ;
1720 :	pazsan	1.3	>TARGET
1721 :
1722 :			Build: T 0 u, , H ;
1723 :	pazsan	1.42	by: :douser ( ghost -- up-addr ) T @ H tup @ + ;DO
1724 :	anton	1.1	Builder User
1725 :
1726 :	pazsan	1.3	Build: T 0 u, , 0 u, drop H ;
1727 :			by User
1728 :	anton	1.1	Builder 2User
1729 :
1730 :	pazsan	1.3	Build: T 0 au, , H ;
1731 :			by User
1732 :	anton	1.1	Builder AUser
1733 :
1734 :	jwilke	1.52	BuildSmart: T , H ;
1735 :	pazsan	1.44	by (Constant)
1736 :	anton	1.1	Builder Value
1737 :
1738 :	jwilke	1.52	BuildSmart: T A, H ;
1739 :	pazsan	1.44	by (Constant)
1740 :	pazsan	1.32	Builder AValue
1741 :
1742 :	jwilke	1.52	BuildSmart: ( -- ) [T'] noop T A, H ;
1743 :	pazsan	1.42	by: :dodefer ( ghost -- ) ABORT" CROSS: Don't execute" ;DO
1744 :	anton	1.1	Builder Defer
1745 :	pazsan	1.37
1746 :	jwilke	1.52	BuildSmart: ( inter comp -- ) swap T immediate A, A, H ;
1747 :	pazsan	1.37	DO: ( ghost -- ) ABORT" CROSS: Don't execute" ;DO
1748 :	anton	1.38	Builder interpret/compile:
1749 :	pazsan	1.24
1750 :			\ Sturctures 23feb95py
1751 :
1752 :			>CROSS
1753 :			: nalign ( addr1 n -- addr2 )
1754 :			\ addr2 is the aligned version of addr1 wrt the alignment size n
1755 :			1- tuck + swap invert and ;
1756 :			>TARGET
1757 :
1758 :	pazsan	1.44	Build: ;
1759 :			by: :dofield T @ H + ;DO
1760 :			Builder (Field)
1761 :
1762 :	anton	1.51	Build: ( align1 offset1 align size "name" -- align2 offset2 )
1763 :			rot dup T , H ( align1 align size offset1 )
1764 :			+ >r nalign r> ;
1765 :	pazsan	1.44	by (Field)
1766 :	pazsan	1.24	Builder Field
1767 :
1768 :	anton	1.51	: struct T 1 chars 0 H ;
1769 :	pazsan	1.24	: end-struct T 2Constant H ;
1770 :
1771 :	jwilke	1.52	: cell% ( n -- size align )
1772 :	anton	1.51	T 1 cells H dup ;
1773 :	pazsan	1.24
1774 :			\ ' 2Constant Alias2 end-struct
1775 :			\ 0 1 T Chars H 2Constant struct
1776 :	anton	1.1
1777 :	jwilke	1.52	\ structural conditionals 17dec92py
1778 :
1779 :			>CROSS
1780 :			: ?struc ( flag -- ) ABORT" CROSS: unstructured " ;
1781 :			: sys? ( sys -- sys ) dup 0= ?struc ;
1782 :			: >mark ( -- sys ) T here ( dup ." M" hex. ) 0 , H ;
1783 :
1784 :	jwilke	1.67	: branchoffset ( src dest -- ) - tchar / ; \ ?? jaw
1785 :	jwilke	1.52
1786 :			: >resolve ( sys -- ) T here ( dup ." >" hex. ) over branchoffset swap ! H ;
1787 :
1788 :			: <resolve ( sys -- ) T here ( dup ." <" hex. ) branchoffset , H ;
1789 :
1790 :	pazsan	1.54	:noname compile branch T here branchoffset , H ;
1791 :			IS branch, ( target-addr -- )
1792 :			:noname compile ?branch T here branchoffset , H ;
1793 :			IS ?branch, ( target-addr -- )
1794 :			:noname compile branch T here 0 , H ;
1795 :			IS branchmark, ( -- branchtoken )
1796 :			:noname compile ?branch T here 0 , H ;
1797 :			IS ?branchmark, ( -- branchtoken )
1798 :			:noname T here 0 , H ;
1799 :			IS ?domark, ( -- branchtoken )
1800 :			:noname dup T @ H ?struc T here over branchoffset swap ! H ;
1801 :			IS branchtoresolve, ( branchtoken -- )
1802 :			:noname branchto, T here H ;
1803 :			IS branchtomark, ( -- target-addr )
1804 :	jwilke	1.52
1805 :			>TARGET
1806 :
1807 :			\ Structural Conditionals 12dec92py
1808 :
1809 :			Cond: BUT restrict? sys? swap ;Cond
1810 :			Cond: YET restrict? sys? dup ;Cond
1811 :
1812 :	pazsan	1.54	0 [IF]
1813 :	jwilke	1.52	>CROSS
1814 :			Variable tleavings
1815 :			>TARGET
1816 :
1817 :			Cond: DONE ( addr -- ) restrict? tleavings @
1818 :			BEGIN 2dup u> 0= WHILE dup T @ H swap >resolve REPEAT
1819 :			tleavings ! drop ;Cond
1820 :
1821 :			>CROSS
1822 :	pazsan	1.54	: (leave) T here H tleavings @ T , H tleavings ! ;
1823 :	jwilke	1.52	>TARGET
1824 :
1825 :	pazsan	1.54	Cond: LEAVE restrict? compile branch (leave) ;Cond
1826 :			Cond: ?LEAVE restrict? compile 0= compile ?branch (leave) ;Cond
1827 :	jwilke	1.52
1828 :	jwilke	1.53	[ELSE]
1829 :			\ !! This is WIP
1830 :			\ The problem is (?DO)!
1831 :			\ perhaps we need a plug-in for (?DO)
1832 :
1833 :			>CROSS
1834 :			Variable tleavings 0 tleavings !
1835 :	pazsan	1.54	: (done) ( addr -- )
1836 :			tleavings @
1837 :			BEGIN dup
1838 :			WHILE
1839 :			>r dup r@ cell+ @ \ address of branch
1840 :			u> 0= \ lower than DO?
1841 :			WHILE
1842 :			r@ 2 cells + @ \ branch token
1843 :			branchtoresolve,
1844 :			r@ @ r> free throw
1845 :			REPEAT r> THEN
1846 :			tleavings ! drop ;
1847 :
1848 :	jwilke	1.53	>TARGET
1849 :
1850 :	pazsan	1.54	Cond: DONE ( addr -- ) restrict? (done) ;Cond
1851 :	jwilke	1.53
1852 :			>CROSS
1853 :	pazsan	1.54	: (leave) ( branchtoken -- )
1854 :	jwilke	1.53	3 cells allocate throw >r
1855 :			T here H r@ cell+ !
1856 :			r@ 2 cells + !
1857 :			tleavings @ r@ !
1858 :			r> tleavings ! ;
1859 :			>TARGET
1860 :
1861 :	pazsan	1.54	Cond: LEAVE restrict? branchmark, (leave) ;Cond
1862 :			Cond: ?LEAVE restrict? compile 0= ?branchmark, (leave) ;Cond
1863 :	jwilke	1.53
1864 :			[THEN]
1865 :
1866 :	pazsan	1.54	>CROSS
1867 :			\ !!JW ToDo : Move to general tools section
1868 :
1869 :			: to1 ( x1 x2 xn n -- addr )
1870 :			\G packs n stack elements in a allocated memory region
1871 :			dup dup 1+ cells allocate throw dup >r swap 1+
1872 :			0 DO tuck ! cell+ LOOP
1873 :			drop r> ;
1874 :			: 1to ( addr -- x1 x2 xn )
1875 :			\G unpacks the elements saved by to1
1876 :			dup @ swap over cells + swap
1877 :			0 DO dup @ swap 1 cells - LOOP
1878 :			free throw ;
1879 :
1880 :			: loop] branchto, dup <resolve tcell - (done) ;
1881 :
1882 :			: skiploop] ?dup IF branchto, branchtoresolve, THEN ;
1883 :
1884 :			>TARGET
1885 :
1886 :	jwilke	1.52	\ Structural Conditionals 12dec92py
1887 :
1888 :	jwilke	1.53	>TARGET
1889 :	jwilke	1.52	Cond: AHEAD restrict? branchmark, ;Cond
1890 :			Cond: IF restrict? ?branchmark, ;Cond
1891 :			Cond: THEN restrict? sys? branchto, branchtoresolve, ;Cond
1892 :			Cond: ELSE restrict? sys? compile AHEAD swap compile THEN ;Cond
1893 :
1894 :			Cond: BEGIN restrict? branchtomark, ;Cond
1895 :			Cond: WHILE restrict? sys? compile IF swap ;Cond
1896 :			Cond: AGAIN restrict? sys? branch, ;Cond
1897 :			Cond: UNTIL restrict? sys? ?branch, ;Cond
1898 :			Cond: REPEAT restrict? over 0= ?struc compile AGAIN compile THEN ;Cond
1899 :
1900 :			Cond: CASE restrict? 0 ;Cond
1901 :			Cond: OF restrict? 1+ >r compile over compile =
1902 :			compile IF compile drop r> ;Cond
1903 :	pazsan	1.45	Cond: ENDOF restrict? >r compile ELSE r> ;Cond
1904 :			Cond: ENDCASE restrict? compile drop 0 ?DO compile THEN LOOP ;Cond
1905 :	anton	1.1
1906 :			\ Structural Conditionals 12dec92py
1907 :
1908 :	jwilke	1.67	:noname \ ?? i think 0 is too much! jaw
1909 :	pazsan	1.54	0 compile (do)
1910 :			branchtomark, 2 to1 ;
1911 :			IS do, ( -- target-addr )
1912 :
1913 :			\ :noname
1914 :			\ compile 2dup compile = compile IF
1915 :			\ compile 2drop compile ELSE
1916 :			\ compile (do) branchtomark, 2 to1 ;
1917 :			\ IS ?do,
1918 :
1919 :			:noname
1920 :			0 compile (?do) ?domark, (leave)
1921 :			branchtomark, 2 to1 ;
1922 :			IS ?do, ( -- target-addr )
1923 :			:noname compile (for) branchtomark, ;
1924 :			IS for, ( -- target-addr )
1925 :			:noname 1to compile (loop) loop] compile unloop skiploop] ;
1926 :			IS loop, ( target-addr -- )
1927 :			:noname 1to compile (+loop) loop] compile unloop skiploop] ;
1928 :			IS +loop, ( target-addr -- )
1929 :			:noname compile (next) loop] compile unloop ;
1930 :			IS next, ( target-addr -- )
1931 :
1932 :			Cond: DO restrict? do, ;Cond
1933 :			Cond: ?DO restrict? ?do, ;Cond
1934 :			Cond: FOR restrict? for, ;Cond
1935 :
1936 :			Cond: LOOP restrict? sys? loop, ;Cond
1937 :			Cond: +LOOP restrict? sys? +loop, ;Cond
1938 :			Cond: NEXT restrict? sys? next, ;Cond
1939 :	jwilke	1.52
1940 :	anton	1.1	\ String words 23feb93py
1941 :
1942 :	jwilke	1.52	: ," [char] " parse T string, align H ;
1943 :	anton	1.1
1944 :			Cond: ." restrict? compile (.") T ," H ;Cond
1945 :			Cond: S" restrict? compile (S") T ," H ;Cond
1946 :			Cond: ABORT" restrict? compile (ABORT") T ," H ;Cond
1947 :
1948 :			Cond: IS T ' >body H compile ALiteral compile ! ;Cond
1949 :	pazsan	1.66	: IS T >address ' >body ! H ;
1950 :	pazsan	1.9	Cond: TO T ' >body H compile ALiteral compile ! ;Cond
1951 :			: TO T ' >body ! H ;
1952 :	anton	1.1
1953 :	jwilke	1.52	Cond: defers T ' >body @ compile, H ;Cond
1954 :			: on T -1 swap ! H ;
1955 :			: off T 0 swap ! H ;
1956 :
1957 :	anton	1.1	\ LINKED ERR" ENV" 2ENV" 18may93jaw
1958 :
1959 :			\ linked list primitive
1960 :			: linked T here over @ A, swap ! H ;
1961 :	jwilke	1.52	: chained T linked A, H ;
1962 :	anton	1.1
1963 :			: err" s" ErrLink linked" evaluate T , H
1964 :	jwilke	1.52	[char] " parse T string, align H ;
1965 :	anton	1.1
1966 :			: env" [char] " parse s" EnvLink linked" evaluate
1967 :	jwilke	1.52	T string, align , H ;
1968 :	anton	1.1
1969 :			: 2env" [char] " parse s" EnvLink linked" evaluate
1970 :	jwilke	1.52	here >r T string, align , , H
1971 :	anton	1.1	r> dup T c@ H 80 and swap T c! H ;
1972 :
1973 :			\ compile must be last 22feb93py
1974 :
1975 :			Cond: compile ( -- ) restrict? \ name
1976 :	pazsan	1.13	bl word gfind dup 0= ABORT" CROSS: Can't compile"
1977 :	anton	1.1	0> IF gexecute
1978 :			ELSE dup >magic @ <imm> =
1979 :			IF gexecute
1980 :	pazsan	1.54	ELSE compile (compile) addr, THEN THEN ;Cond
1981 :	anton	1.1
1982 :			Cond: postpone ( -- ) restrict? \ name
1983 :	pazsan	1.13	bl word gfind dup 0= ABORT" CROSS: Can't compile"
1984 :	anton	1.1	0> IF gexecute
1985 :			ELSE dup >magic @ <imm> =
1986 :			IF gexecute
1987 :	pazsan	1.54	ELSE compile (compile) addr, THEN THEN ;Cond
1988 :
1989 :			\ \ minimal definitions
1990 :
1991 :	anton	1.1	>MINIMAL
1992 :			also minimal
1993 :			\ Usefull words 13feb93py
1994 :
1995 :			: KB 400 * ;
1996 :
1997 :	pazsan	1.54	\ \ [IF] [ELSE] [THEN] ... 14sep97jaw
1998 :
1999 :			\ it is useful to define our own structures and not to rely
2000 :			\ on the words in the compiler
2001 :			\ The words in the compiler might be defined with vocabularies
2002 :			\ this doesn't work with our self-made compile-loop
2003 :
2004 :			Create parsed 20 chars allot \ store word we parsed
2005 :
2006 :			: upcase
2007 :			parsed count bounds
2008 :			?DO I c@ toupper I c! LOOP ;
2009 :
2010 :			: [ELSE]
2011 :			1 BEGIN
2012 :			BEGIN bl word count dup WHILE
2013 :			comment? parsed place upcase parsed count
2014 :			2dup s" [IF]" compare 0= >r
2015 :			2dup s" [IFUNDEF]" compare 0= >r
2016 :			2dup s" [IFDEF]" compare 0= r> or r> or
2017 :			IF 2drop 1+
2018 :			ELSE 2dup s" [ELSE]" compare 0=
2019 :			IF 2drop 1- dup
2020 :			IF 1+
2021 :			THEN
2022 :			ELSE
2023 :			2dup s" [ENDIF]" compare 0= >r
2024 :			s" [THEN]" compare 0= r> or
2025 :			IF 1- THEN
2026 :			THEN
2027 :			THEN
2028 :			?dup 0= ?EXIT
2029 :			REPEAT
2030 :			2drop refill 0=
2031 :			UNTIL drop ; immediate
2032 :
2033 :			: [THEN] ( -- ) ; immediate
2034 :
2035 :			: [ENDIF] ( -- ) ; immediate
2036 :
2037 :			: [IF] ( flag -- )
2038 :			0= IF postpone [ELSE] THEN ; immediate
2039 :
2040 :			Cond: [IF] postpone [IF] ;Cond
2041 :			Cond: [THEN] postpone [THEN] ;Cond
2042 :			Cond: [ELSE] postpone [ELSE] ;Cond
2043 :
2044 :	anton	1.1	\ define new [IFDEF] and [IFUNDEF] 20may93jaw
2045 :
2046 :	pazsan	1.43	: defined? defined? ;
2047 :	pazsan	1.44	: needed? needed? ;
2048 :			: doer? doer? ;
2049 :	anton	1.1
2050 :	jwilke	1.52	\ we want to use IFDEF on compiler directives (e.g. E?) in the source, too
2051 :
2052 :			: directive?
2053 :			bl word count [ ' target >wordlist ] aliteral search-wordlist
2054 :			dup IF nip THEN ;
2055 :
2056 :			: [IFDEF] >in @ directive? swap >in !
2057 :			0= IF defined? ELSE name 2drop true THEN
2058 :			postpone [IF] ;
2059 :
2060 :	pazsan	1.43	: [IFUNDEF] defined? 0= postpone [IF] ;
2061 :	anton	1.1
2062 :	pazsan	1.54	Cond: [IFDEF] postpone [IFDEF] ;Cond
2063 :
2064 :			Cond: [IFUNDEF] postpone [IFUNDEF] ;Cond
2065 :
2066 :	anton	1.1	\ C: \- \+ Conditional Compiling 09jun93jaw
2067 :
2068 :	pazsan	1.43	: C: >in @ defined? 0=
2069 :	anton	1.1	IF >in ! T : H
2070 :			ELSE drop
2071 :			BEGIN bl word dup c@
2072 :			IF count comment? s" ;" compare 0= ?EXIT
2073 :			ELSE refill 0= ABORT" CROSS: Out of Input while C:"
2074 :			THEN
2075 :			AGAIN
2076 :			THEN ;
2077 :
2078 :			also minimal
2079 :
2080 :	jwilke	1.74	: d? d? ;
2081 :
2082 :			\G doesn't skip line when debug switch is on
2083 :			: \D D? 0= IF postpone \ THEN ;
2084 :	jwilke	1.52
2085 :	anton	1.48	\G interprets the line if word is not defined
2086 :	pazsan	1.43	: \- defined? IF postpone \ THEN ;
2087 :	anton	1.48
2088 :			\G interprets the line if word is defined
2089 :	pazsan	1.43	: \+ defined? 0= IF postpone \ THEN ;
2090 :	anton	1.1
2091 :	anton	1.48	Cond: \- \- ;Cond
2092 :			Cond: \+ \+ ;Cond
2093 :	jwilke	1.52	Cond: \D \D ;Cond
2094 :	anton	1.48
2095 :			: ?? bl word find IF execute ELSE drop 0 THEN ;
2096 :
2097 :			: needed:
2098 :			\G defines ghost for words that we want to be compiled
2099 :			BEGIN >in @ bl word c@ WHILE >in ! ghost drop REPEAT drop ;
2100 :
2101 :			previous
2102 :
2103 :	anton	1.1	\ save-cross 17mar93py
2104 :
2105 :	anton	1.48	>CROSS
2106 :	pazsan	1.62	Create magic s" Gforth2x" here over allot swap move
2107 :	pazsan	1.26
2108 :	anton	1.63	bigendian 1+ \ strangely, in magic big=0, little=1
2109 :			tcell 1 = 0 and or
2110 :	pazsan	1.62	tcell 2 = 2 and or
2111 :			tcell 4 = 4 and or
2112 :			tcell 8 = 6 and or
2113 :	pazsan	1.65	tchar 1 = $00 and or
2114 :			tchar 2 = $28 and or
2115 :			tchar 4 = $50 and or
2116 :			tchar 8 = $78 and or
2117 :	pazsan	1.62	magic 7 + c!
2118 :	pazsan	1.26
2119 :	anton	1.34	: save-cross ( "image-name" "binary-name" -- )
2120 :			bl parse ." Saving to " 2dup type cr
2121 :	anton	1.1	w/o bin create-file throw >r
2122 :	anton	1.48	TNIL IF
2123 :	pazsan	1.43	s" #! " r@ write-file throw
2124 :			bl parse r@ write-file throw
2125 :			s" -i" r@ write-file throw
2126 :			#lf r@ emit-file throw
2127 :			r@ dup file-position throw drop 8 mod 8 swap ( file-id limit index )
2128 :			?do
2129 :			bl over emit-file throw
2130 :			loop
2131 :			drop
2132 :			magic 8 r@ write-file throw \ write magic
2133 :			ELSE
2134 :			bl parse 2drop
2135 :			THEN
2136 :	jwilke	1.52	image @ there
2137 :			r@ write-file throw \ write image
2138 :	anton	1.48	TNIL IF
2139 :			bit$ @ there 1- tcell>bit rshift 1+
2140 :	pazsan	1.16	r@ write-file throw \ write tags
2141 :	pazsan	1.43	THEN
2142 :	anton	1.1	r> close-file throw ;
2143 :
2144 :	jwilke	1.52	: save-region ( addr len -- )
2145 :			bl parse w/o bin create-file throw >r
2146 :	jwilke	1.67	swap >image swap r@ write-file throw
2147 :	jwilke	1.52	r> close-file throw ;
2148 :
2149 :	anton	1.1	\ words that should be in minimal
2150 :	jwilke	1.52
2151 :			create s-buffer 50 chars allot
2152 :
2153 :	anton	1.48	>MINIMAL
2154 :			also minimal
2155 :	anton	1.1
2156 :	anton	1.48	bigendian Constant bigendian
2157 :	jwilke	1.52	: here there ;
2158 :	jwilke	1.67	: equ constant ;
2159 :			: mark there constant ;
2160 :	pazsan	1.54
2161 :			\ compiler directives
2162 :	jwilke	1.52	: >ram >ram ;
2163 :			: >rom >rom ;
2164 :			: >auto >auto ;
2165 :			: >tempdp >tempdp ;
2166 :			: tempdp> tempdp> ;
2167 :			: const constflag on ;
2168 :			: warnings name 3 = 0= twarnings ! drop ;
2169 :	anton	1.60	: \| ;
2170 :			\ : \| NoHeaderFlag on ; \ This is broken (damages the last word)
2171 :	jwilke	1.52
2172 :	anton	1.48	: save-cross save-cross ;
2173 :	jwilke	1.52	: save-region save-region ;
2174 :			: tdump swap >image swap dump ;
2175 :
2176 :	anton	1.48	also forth
2177 :	jwilke	1.52	[IFDEF] Label : Label defempty? Label ; [THEN]
2178 :			[IFDEF] start-macros : start-macros defempty? start-macros ; [THEN]
2179 :			[IFDEF] builttag : builttag builttag ; [THEN]
2180 :	anton	1.48	previous
2181 :
2182 :	jwilke	1.52	: s" [char] " parse s-buffer place s-buffer count ; \ for environment?
2183 :	pazsan	1.43	: + + ;
2184 :	jwilke	1.52	: 1+ 1 + ;
2185 :			: 2+ 2 + ;
2186 :	pazsan	1.43	: or or ;
2187 :			: 1- 1- ;
2188 :			: - - ;
2189 :	jwilke	1.52	: and and ;
2190 :			: or or ;
2191 :	pazsan	1.43	: 2* 2* ;
2192 :			: * * ;
2193 :			: / / ;
2194 :			: dup dup ;
2195 :			: over over ;
2196 :			: swap swap ;
2197 :			: rot rot ;
2198 :			: drop drop ;
2199 :			: = = ;
2200 :			: 0= 0= ;
2201 :			: lshift lshift ;
2202 :			: 2/ 2/ ;
2203 :	pazsan	1.19	: . . ;
2204 :	anton	1.1
2205 :	pazsan	1.43	: all-words ['] false IS skip? ;
2206 :			: needed-words ['] needed? IS skip? ;
2207 :	jwilke	1.75	: undef-words ['] defined2? IS skip? ;
2208 :			: skipdef skipdef ;
2209 :	anton	1.1
2210 :	pazsan	1.40	: \ postpone \ ; immediate
2211 :	pazsan	1.47	: \G T-\G ; immediate
2212 :	pazsan	1.40	: ( postpone ( ; immediate
2213 :	anton	1.1	: include bl word count included ;
2214 :	jwilke	1.52	: require require ;
2215 :	anton	1.1	: .( [char] ) parse type ;
2216 :	jwilke	1.52	: ." [char] " parse type ;
2217 :	anton	1.1	: cr cr ;
2218 :
2219 :			: times 0 ?DO dup T c, H LOOP drop ; \ used for space table creation
2220 :			only forth also minimal definitions
2221 :
2222 :			\ cross-compiler words
2223 :
2224 :			: decimal decimal ;
2225 :			: hex hex ;
2226 :
2227 :	pazsan	1.3	: tudp T tudp H ;
2228 :	pazsan	1.39	: tup T tup H ;
2229 :
2230 :			: doc-off false T to-doc H ! ;
2231 :			: doc-on true T to-doc H ! ;
2232 :	jwilke	1.52	[IFDEF] dbg : dbg dbg ; [THEN]
2233 :	pazsan	1.39
2234 :			minimal
2235 :	anton	1.1
2236 :			\ for debugging...
2237 :			: order order ;
2238 :	jwilke	1.52	: hwords words ;
2239 :			: words also ghosts words previous ;
2240 :	anton	1.1	: .s .s ;
2241 :			: bye bye ;
2242 :
2243 :			\ turnkey direction
2244 :			: H forth ; immediate
2245 :			: T minimal ; immediate
2246 :			: G ghosts ; immediate
2247 :
2248 :			: turnkey 0 set-order also Target definitions
2249 :			also Minimal also ;
2250 :
2251 :			\ these ones are pefered:
2252 :
2253 :			: lock turnkey ;
2254 :	jwilke	1.74	: unlock previous forth also cross ;
2255 :	jwilke	1.52
2256 :			: [[ also unlock ;
2257 :			: ]] previous previous ;
2258 :	anton	1.1
2259 :			unlock definitions also minimal
2260 :			: lock lock ;
2261 :			lock

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