FastForthWords.txt

   1
   2 FORTH vocabulary
   3 ----------------
   4 COLD            WARM            WIPE            RST_HERE        PWR_HERE        RST_STATE       PWR_STATE
   5 MOVE            LEAVE           +LOOP           LOOP            DO              REPEAT          WHILE
   6 AGAIN           UNTIL           BEGIN           THEN            ELSE            IF              >BODY
   7 DEFER           DOES>           CREATE          CONSTANT        VARIABLE        :               ;
   8 POSTPONE        RECURSE         IMMEDIATE       IS              [']             ]               [
   9 \               '               ABORT"          ABORT           QUIT            EVALUATE        COUNT
  10 LITERAL         ,               EXECUTE         >NUMBER         FIND            WORD            ."
  11 S"              CR              TYPE            SPACES          SPACE           NOECHO          ECHO
  12 EMIT            ACCEPT          KEY             C,              ALLOT           HERE            .
  13 D.              U.              SIGN            HOLD            #>              #S              #
  14 UM/MOD          <#              STATE           BASE            BL              J               I
  15 UNLOOP          U<              >               <               =               0<              0=
  16 DABS            1-              1+              1-              1+              -               +
  17 C!              C@              !               @               DEPTH           R@              R>
  18 >R              ROT             OVER            SWAP            NIP             DROP            ?DUP
  19 DUP             LIT             EXIT
  20
  21 COLD            Software reset
  22
  23 WARM            DEFERed word, by default executes ABORT" <WARM_message>"
  24
  25 WIPE            resets the program memory to its original state (Deep_RST adds same effect to COLD).
  26
  27 RST_HERE        defines the bound of the program memory protected against COLD or hardware reset.
  28
  29 PWR_HERE        defines the bound of the program memory protected against ON/OFF and also against any error occurring.
  30
  31 RST_STATE       removes all words defined after RST_HERE (COLD or <reset> have same effet)
  32
  33 PWR_STATE       removes all words defined after PWR_HERE (an occurring error has same effect)
  34
  35 MOVE            https://forth-standard.org/standard/core/MOVE
  36 LEAVE           https://forth-standard.org/standard/core/LEAVE
  37 +LOOP           https://forth-standard.org/standard/core/PlusLOOP
  38 LOOP            https://forth-standard.org/standard/core/LOOP
  39 DO              https://forth-standard.org/standard/core/DO
  40 REPEAT          https://forth-standard.org/standard/core/REPEAT
  41 WHILE           https://forth-standard.org/standard/core/WHILE
  42 AGAIN           https://forth-standard.org/standard/core/AGAIN
  43 UNTIL           https://forth-standard.org/standard/core/UNTIL
  44 BEGIN           https://forth-standard.org/standard/core/BEGIN
  45 THEN            https://forth-standard.org/standard/core/THEN
  46 ELSE            https://forth-standard.org/standard/core/ELSE
  47 IF              https://forth-standard.org/standard/core/IF
  48 ;               https://forth-standard.org/standard/core/Semi
  49 :               https://forth-standard.org/standard/core/Colon
  50 DEFER           https://forth-standard.org/standard/core/DEFER
  51 DOES>           https://forth-standard.org/standard/core/DOES
  52 CREATE          https://forth-standard.org/standard/core/CREATE
  53 CONSTANT        https://forth-standard.org/standard/core/CONSTANT
  54 VARIABLE        https://forth-standard.org/standard/core/VARIABLE
  55 POSTPONE        https://forth-standard.org/standard/core/POSTPONE
  56 RECURSE         https://forth-standard.org/standard/core/RECURSE
  57 IMMEDIATE       https://forth-standard.org/standard/core/IMMEDIATE
  58 IS              https://forth-standard.org/standard/core/IS
  59 [']             https://forth-standard.org/standard/core/BracketTick
  60 ]               https://forth-standard.org/standard/core/right-bracket
  61 [               https://forth-standard.org/standard/core/Bracket
  62 \               https://forth-standard.org/standard/block/bs
  63 '               https://forth-standard.org/standard/core/Tick
  64 ABORT"          https://forth-standard.org/standard/core/ABORTq
  65 ABORT           https://forth-standard.org/standard/core/ABORT
  66 QUIT            https://forth-standard.org/standard/core/QUIT
  67 EVALUATE        https://forth-standard.org/standard/core/EVALUATE
  68 COUNT           https://forth-standard.org/standard/core/COUNT
  69 LITERAL         https://forth-standard.org/standard/core/LITERAL
  70 ,               https://forth-standard.org/standard/core/Comma
  71 EXECUTE         https://forth-standard.org/standard/core/EXECUTE
  72 >NUMBER         https://forth-standard.org/standard/core/toNUMBER
  73 FIND            https://forth-standard.org/standard/core/FIND
  74 WORD            https://forth-standard.org/standard/core/WORD
  75 ."              https://forth-standard.org/standard/core/Dotq
  76 S"              https://forth-standard.org/standard/core/Sq
  77 TYPE            https://forth-standard.org/standard/core/TYPE
  78 SPACES          https://forth-standard.org/standard/core/SPACES
  79 SPACE           https://forth-standard.org/standard/core/SPACE
  80 CR              DEFERed word, https://forth-standard.org/standard/core/CR
  81 NOECHO          stop display on output
  82 ECHO            start display on output
  83 EMIT            DEFERed word, https://forth-standard.org/standard/core/EMIT
  84 ACCEPT          DEFERed word, https://forth-standard.org/standard/core/ACCEPT
  85 KEY             DEFERed word, https://forth-standard.org/standard/core/KEY
  86 C,              https://forth-standard.org/standard/core/CComma
  87 ALLOT           https://forth-standard.org/standard/core/ALLOT
  88 HERE            https://forth-standard.org/standard/core/HERE
  89 .               https://forth-standard.org/standard/core/d
  90 D.              https://forth-standard.org/standard/double/Dd
  91 U.              https://forth-standard.org/standard/core/Ud
  92 SIGN            https://forth-standard.org/standard/core/SIGN
  93 HOLD            https://forth-standard.org/standard/core/HOLD
  94 #>              https://forth-standard.org/standard/core/num-end
  95 #S              https://forth-standard.org/standard/core/numS
  96 #               https://forth-standard.org/standard/core/num
  97 UM/MOD          https://forth-standard.org/standard/core/UMDivMOD
  98 <#              https://forth-standard.org/standard/core/num-start
  99 BL              https://forth-standard.org/standard/core/BL
 100 STATE           https://forth-standard.org/standard/core/STATE
 101 BASE            https://forth-standard.org/standard/core/BASE
 102 J               https://forth-standard.org/standard/core/J
 103 I               https://forth-standard.org/standard/core/I
 104 UNLOOP          https://forth-standard.org/standard/core/UNLOOP
 105 U<              https://forth-standard.org/standard/core/Uless
 106 >               https://forth-standard.org/standard/core/more
 107 <               https://forth-standard.org/standard/core/less
 108 =               https://forth-standard.org/standard/core/Equal
 109 0<              https://forth-standard.org/standard/core/Zeroless
 110 0=              https://forth-standard.org/standard/core/ZeroEqual
 111 DABS            https://forth-standard.org/standard/double/DABS
 112 ABS             https://forth-standard.org/standard/core/ABS
 113 NEGATE          https://forth-standard.org/standard/core/NEGATE
 114 1-              https://forth-standard.org/standard/core/OneMinus
 115 1+              https://forth-standard.org/standard/core/OnePlus
 116 -               https://forth-standard.org/standard/core/Minus
 117 +               https://forth-standard.org/standard/core/Plus
 118 C!              https://forth-standard.org/standard/core/CStore
 119 C@              https://forth-standard.org/standard/core/CFetch
 120 !               https://forth-standard.org/standard/core/Store
 121 @               https://forth-standard.org/standard/core/Fetch
 122 DEPTH           https://forth-standard.org/standard/core/DEPTH
 123 R@              https://forth-standard.org/standard/core/RFetch
 124 R>              https://forth-standard.org/standard/core/Rfrom
 125 >R              https://forth-standard.org/standard/core/toR
 126 ROT             https://forth-standard.org/standard/core/ROT
 127 OVER            https://forth-standard.org/standard/core/OVER
 128 SWAP            https://forth-standard.org/standard/core/SWAP
 129 NIP             https://forth-standard.org/standard/core/NIP
 130 DROP            https://forth-standard.org/standard/core/DROP
 131 ?DUP            https://forth-standard.org/standard/core/qDUP
 132 DUP             https://forth-standard.org/standard/core/DUP
 133 LIT             execution part of LITERAL
 134 EXIT            https://forth-standard.org/standard/core/EXIT
 135
 136
 137 ASSEMBLER vocabulary
 138 --------------------
 139
 140 ?GOTO           GOTO            FW3             FW2             FW1             BW3             BW2
 141 BW1             ?JMP            JMP             REPEAT          WHILE           AGAIN           UNTIL
 142 ELSE            THEN            IF              0=              0<>             U>=             U<
 143 0<              0>=             S<              S>=             RRUM            RLAM            RRAM
 144 RRCM            POPM            PUSHM           CALL            PUSH.B          PUSH            SXT
 145 RRA.B           RRA             SWPB            RRC.B           RRC             AND.B           AND
 146 XOR.B           XOR             BIS.B           BIS             BIC.B           BIC             BIT.B
 147 BIT             DADD.B          DADD            CMP.B           CMP             SUB.B           SUB
 148 SUBC.B          SUBC            ADDC.B          ADDC            ADD.B           ADD             MOV.B
 149 MOV             RETI            LO2HI           COLON           ENDASM          ENDCODE         SLEEP
 150
 151 ASM             CODE            HI2LO           (added in forth vocabulary)
 152
 153 see: http://www.ece.utep.edu/courses/web3376/Notes_files/ee3376-isa.pdf
 154      readme.md for symbolic alias of registers, symbolic jumps (IF ELSE THEN...),..
 155
 156 ?GOTO           used after a conditionnal (0=,0<>,U>=,U<,0<,S<,S>=) to branch to a label FWx or BWx
 157 GOTO            used as unconditionnal branch to a label FWx or BWx
 158
 159 BW3             BACKWARD branch destination n°3
 160 BW2                                         n°2
 161 BW1                                         N°1
 162
 163 FW3             FORWARD branch destination  n°3
 164 FW2                                         n°2
 165 FW1                                         n°1
 166
 167 ?JMP            used after a conditionnal (0=,0<>,U>=,U<,0<,S<,S>=) to jump to a predefined word
 168 JMP             unconditionnal jump to a predefined word
 169
 170 REPEAT          assembler version of the FORTH word REPEAT
 171 WHILE           idem
 172 AGAIN           idem
 173 UNTIL           idem
 174 ELSE            idem
 175 THEN            idem
 176 IF              idem
 177
 178 0=              conditionnal
 179 0<>             conditionnal
 180 U>=             conditionnal
 181 U<              conditionnal
 182 0<              conditionnal, to use only with ?JMP ?GOTO
 183 0>=             conditionnal, to use only with IF UNTIL WHILE
 184 S<              conditionnal
 185 S>=             conditionnal
 186
 187 LO2HI           switches compilation between low level and high level modes without saving IP register.
 188 COLON           pushes IP then performs LO2HI, used as: CODE <word> ... assembler instr ... COLON ... FORTH words ... ;
 189 ENDASM          to end an ASM definition.
 190 ENDCODE         to end a CODE definition.
 191 SLEEP           DEFERed word which enables to create a background task, default SLEEP definition: MOV #GIE+LPM0,SR
 192
 193 next assembler words are set in FORTH vocabulary:
 194
 195 CODE <word>     creates a word written in assembler.
 196                 this defined <word> must be ended with ENDCODE unless COLON or LO2HI use.
 197
 198 ASM <word>      creates a word written in assembler but not interpretable by FORTH (because ended by RET instr.).
 199                 this defined <word> must be ended with ENDASM.
 200                 This word will be recognized only in assembler mode.
 201
 202 HI2LO           used to switch compilation from high level (FORTH) to low level (assembler).
 203
 204
 205 ASSEMBLER WORDS set:
 206
 207 ADD     http://www.ti.com/lit/ug/slau272d/slau272d.pdf#page=135
 208 ADDC    http://www.ti.com/lit/ug/slau272d/slau272d.pdf#page=136
 209 AND     http://www.ti.com/lit/ug/slau272d/slau272d.pdf#page=137
 210 BIC     http://www.ti.com/lit/ug/slau272d/slau272d.pdf#page=138
 211 BIS     http://www.ti.com/lit/ug/slau272d/slau272d.pdf#page=139
 212 BIT     http://www.ti.com/lit/ug/slau272d/slau272d.pdf#page=140
 213 CALL    http://www.ti.com/lit/ug/slau272d/slau272d.pdf#page=142
 214 CMP     http://www.ti.com/lit/ug/slau272d/slau272d.pdf#page=147
 215 DADD    http://www.ti.com/lit/ug/slau272d/slau272d.pdf#page=149
 216 MOV     http://www.ti.com/lit/ug/slau272d/slau272d.pdf#page=165
 217 PUSH    http://www.ti.com/lit/ug/slau272d/slau272d.pdf#page=168
 218 RETI    http://www.ti.com/lit/ug/slau272d/slau272d.pdf#page=170
 219 RRA     http://www.ti.com/lit/ug/slau272d/slau272d.pdf#page=173
 220 RRC     http://www.ti.com/lit/ug/slau272d/slau272d.pdf#page=174
 221 SUB     http://www.ti.com/lit/ug/slau272d/slau272d.pdf#page=179
 222 SUBC    http://www.ti.com/lit/ug/slau272d/slau272d.pdf#page=180
 223 SWPB    http://www.ti.com/lit/ug/slau272d/slau272d.pdf#page=181
 224 SXT     http://www.ti.com/lit/ug/slau272d/slau272d.pdf#page=182
 225 XOR     http://www.ti.com/lit/ug/slau272d/slau272d.pdf#page=184
 226
 227 RRUM    http://www.ti.com/lit/ug/slau272d/slau272d.pdf#page=218
 228 RLAM    http://www.ti.com/lit/ug/slau272d/slau272d.pdf#page=208
 229 RRAM    http://www.ti.com/lit/ug/slau272d/slau272d.pdf#page=211
 230 RRCM    http://www.ti.com/lit/ug/slau272d/slau272d.pdf#page=214
 231 POPM    http://www.ti.com/lit/ug/slau272d/slau272d.pdf#page=204
 232 PUSHM   http://www.ti.com/lit/ug/slau272d/slau272d.pdf#page=205
 233
 234 ADDX    http://www.ti.com/lit/ug/slau272d/slau272d.pdf#page=187
 235 ADDCX   http://www.ti.com/lit/ug/slau272d/slau272d.pdf#page=188
 236 ANDX    http://www.ti.com/lit/ug/slau272d/slau272d.pdf#page=189
 237 BICX    http://www.ti.com/lit/ug/slau272d/slau272d.pdf#page=190
 238 BISX    http://www.ti.com/lit/ug/slau272d/slau272d.pdf#page=191
 239 BITX    http://www.ti.com/lit/ug/slau272d/slau272d.pdf#page=192
 240 CMPX    http://www.ti.com/lit/ug/slau272d/slau272d.pdf#page=194
 241 DADDX   http://www.ti.com/lit/ug/slau272d/slau272d.pdf#page=196
 242 MOVX    http://www.ti.com/lit/ug/slau272d/slau272d.pdf#page=202
 243 PUSHX   http://www.ti.com/lit/ug/slau272d/slau272d.pdf#page=207
 244 RRAX    http://www.ti.com/lit/ug/slau272d/slau272d.pdf#page=212
 245 RRCX    http://www.ti.com/lit/ug/slau272d/slau272d.pdf#page=216
 246 RRUX    http://www.ti.com/lit/ug/slau272d/slau272d.pdf#page=219
 247 SUBX    http://www.ti.com/lit/ug/slau272d/slau272d.pdf#page=221
 248 SUBCX   http://www.ti.com/lit/ug/slau272d/slau272d.pdf#page=222
 249 SWPBX   http://www.ti.com/lit/ug/slau272d/slau272d.pdf#page=223
 250 SXTX    http://www.ti.com/lit/ug/slau272d/slau272d.pdf#page=225
 251 XORX    http://www.ti.com/lit/ug/slau272d/slau272d.pdf#page=227
 252
 253 ADDA    http://www.ti.com/lit/ug/slau272d/slau272d.pdf#page=229
 254 CALLA   http://www.ti.com/lit/ug/slau272d/slau272d.pdf#page=232
 255 CMPA    http://www.ti.com/lit/ug/slau272d/slau272d.pdf#page=235
 256 MOVA    http://www.ti.com/lit/ug/slau272d/slau272d.pdf#page=238
 257 SUBA    http://www.ti.com/lit/ug/slau272d/slau272d.pdf#page=241
 258
 259
 260 CONDCOMP ADD-ON
 261 ---------------
 262 MARKER          [DEFINED]       [UNDEFINED]     [IF]            [ELSE]          [THEN]          COMPARE
 263
 264 [DEFINED]       https://forth-standard.org/standard/tools/BracketDEFINED
 265 [UNDEFINED]     https://forth-standard.org/standard/tools/BracketUNDEFINED
 266 [IF]            https://forth-standard.org/standard/tools/BracketIF
 267 [ELSE]          https://forth-standard.org/standard/tools/BracketELSE
 268 [THEN]          https://forth-standard.org/standard/tools/BracketTHEN
 269 COMPARE         https://forth-standard.org/standard/string/COMPARE
 270 MARKER          https://forth-standard.org/standard/core/MARKER
 271
 272
 273 VOCABULARY ADD-ON
 274 -----------------
 275 DEFINITIONS     ONLY            PREVIOUS        ALSO            ASSEMBLER       FORTH           VOCABULARY
 276
 277 DEFINITIONS     https://forth-standard.org/standard/search/DEFINITIONS
 278 ONLY            https://forth-standard.org/standard/search/ONLY
 279 PREVIOUS        https://forth-standard.org/standard/search/PREVIOUS
 280 ALSO            https://forth-standard.org/standard/search/ALSO
 281 ASSEMBLER       assembler VOCABULARY
 282 FORTH           FORTH VOCABULARY
 283 VOCABULARY <word>     creates a new VOCABULARY named word
 284
 285
 286 NONAME ADD-ON
 287 ---------------------
 288 :NONAME         CODENNM
 289
 290 :NONAME         https://forth-standard.org/standard/core/ColonNONAME
 291 CODENNM         assembly counterpart of :NONAME
 292
 293
 294 SD_CARD_LOADER ADD-ON
 295 ---------------------
 296 LOAD"           CIB
 297
 298 LOAD"           LOAD" SD_TEST.4TH" loads source file SD_TEST.4TH from SD_Card and compile it.
 299 CIB             Currrent Input Buffer, TIB by default.
 300
 301 ACCEPT becomes a DEFERed word
 302
 303
 304 SD_CARD_READ_WRITE ADD-ON
 305 -------------------------
 306 TERM2SD"        SD_EMIT         WRITE           READ            CLOSE           DEL"            WRITE"
 307 READ"
 308
 309 TERM2SD"        TERM2SD" SD_TEST.4TH" copy input file to SD_CARD (use CopySourceFileToTarget_SD_Card.bat to do)
 310 SD_EMIT         sends output stream at the end of last opened as write file.
 311 WRITE           write sequentially BUFFER content to a sector
 312 READ            read sequentially a sector to BUFFER
 313 CLOSE           close last opened file.
 314 DEL"            DEL" SD_TEST.4TH" remove this file from SD_CARD.
 315 WRITE"          WRITE" TRUC" open or create TRUC file ready to write to the end of this file
 316 READ"           READ" TRUC" open TRUC and load its first sector in BUFFER
 317
 318
 319
 320 BOOTLOADER
 321 ----------
 322 BOOT
 323
 324 QUIT becomes a DEFERed word
 325
 326
 327 ; when ADD-ONs are compiled into the kernel, their respective MARKER word identified with braces {} does nothing.
 328 ; when ADD-ONs are downloaded, their respective MARKER word identified with braces {} removes all ADD-ONs words.
 329
 330
 331 ANS_COMPLEMENT ADD-ON
 332 ---------------------
 333 PAD             SOURCE          .(              (               DECIMAL         HEX
 334 FILL            [CHAR]          CHAR            +!              MIN             MAX             2/
 335 2*              RSHIFT          LSHIFT          XOR             OR              AND             INVERT
 336 2OVER           2SWAP           2DROP           2DUP            2!              2@              S>D
 337 CELL+           CELLS           CHAR+           CHARS           ALIGN           ALIGNED         */
 338 */MOD           MOD             /               /MOD            *               FM/MOD          SM/REM
 339 M*              UM*             {ANS_COMP}
 340
 341 PAD             https://forth-standard.org/standard/core/PAD
 342 >IN             https://forth-standard.org/standard/core/toIN
 343 >BODY           https://forth-standard.org/standard/core/toBODY
 344 SOURCE          https://forth-standard.org/standard/core/SOURCE
 345 .(              https://forth-standard.org/standard/core/Dotp
 346 (               https://forth-standard.org/standard/core/p
 347 DECIMAL         https://forth-standard.org/standard/core/DECIMAL
 348 HEX             https://forth-standard.org/standard/core/HEX
 349 FILL            https://forth-standard.org/standard/core/FILL
 350 [CHAR]          https://forth-standard.org/standard/core/BracketCHAR
 351 CHAR            https://forth-standard.org/standard/core/CHAR
 352 +!              https://forth-standard.org/standard/core/PlusStore
 353 2/              https://forth-standard.org/standard/core/TwoDiv
 354 2*              https://forth-standard.org/standard/core/TwoTimes
 355 MIN             https://forth-standard.org/standard/core/MIN
 356 MAX             https://forth-standard.org/standard/core/MAX
 357 RSHIFT          https://forth-standard.org/standard/core/RSHIFT
 358 LSHIFT          https://forth-standard.org/standard/core/LSHIFT
 359 INVERT          https://forth-standard.org/standard/core/INVERT
 360 XOR             https://forth-standard.org/standard/core/XOR
 361 OR              https://forth-standard.org/standard/core/OR
 362 AND             https://forth-standard.org/standard/core/AND
 363 2OVER           https://forth-standard.org/standard/core/TwoOVER
 364 2SWAP           https://forth-standard.org/standard/core/TwoSWAP
 365 2DROP           https://forth-standard.org/standard/core/TwoDROP
 366 2DUP            https://forth-standard.org/standard/core/TwoDUP
 367 2!              https://forth-standard.org/standard/core/TwoStore
 368 2@              https://forth-standard.org/standard/core/TwoFetch
 369 S>D             https://forth-standard.org/standard/core/StoD
 370 CELL+           https://forth-standard.org/standard/core/CELLPlus
 371 CELLS           https://forth-standard.org/standard/core/CELLS
 372 CHAR+           https://forth-standard.org/standard/core/CHARPlus
 373 CHARS           https://forth-standard.org/standard/core/CHARS
 374 ALIGN           https://forth-standard.org/standard/core/ALIGN
 375 ALIGNED         https://forth-standard.org/standard/core/ALIGNED
 376 */              https://forth-standard.org/standard/core/TimesDiv
 377 */MOD           https://forth-standard.org/standard/core/TimesDivMOD
 378 MOD             https://forth-standard.org/standard/core/MOD
 379 /               https://forth-standard.org/standard/core/Div
 380 /MOD            https://forth-standard.org/standard/core/DivMOD
 381 *               https://forth-standard.org/standard/core/Times
 382 FM/MOD          https://forth-standard.org/standard/core/FMDivMOD
 383 SM/REM          https://forth-standard.org/standard/core/SMDivREM
 384 M*              https://forth-standard.org/standard/core/MTimes
 385 UM*             https://forth-standard.org/standard/core/UMTimes
 386 {ANS_COMP}
 387
 388
 389 FIXPOINT ADD-ON
 390 ---------------
 391
 392 2CONSTANT       S>F             F.              F*              F#S
 393 F/              F-              F+              HOLDS           {FIXPOINT}
 394
 395 2CONSTANT       https://forth-standard.org/standard/double/TwoCONSTANT
 396 S>F             u/n -- Qlo Qhi       convert u/n in a s15.16 value
 397 F.              display a s15.16 value
 398 F*              s15.16 multiplication
 399 F#S             Qlo Qhi u -- Qhi 0
 400                 convert fractionnal part of a s15.16 value displaying u digits
 401 F/              s15.16 division
 402 F-              s15.16 soustraction
 403 F+              s15.16 addition
 404 HOLDS           https://forth-standard.org/standard/core/HOLDS
 405 {FIXPOINT}      do nothing if compiled in core, else remove all FIXPOINT add-on.
 406
 407 UTILITY ADD-ON
 408 --------------
 409
 410 DUMP            U.R             WORDS           ?               .RS             .S              {TOOLS}
 411
 412 DUMP            https://forth-standard.org/standard/tools/DUMP
 413 U.R   u z --    display unsigned number u with size z
 414 WORDS           https://forth-standard.org/standard/tools/WORDS
 415 ?               https://forth-standard.org/standard/tools/q
 416 .RS             displays return stack content
 417 .S              https://forth-standard.org/standard/tools/DotS
 418 {TOOLS}         do nothing if compiled in core.
 419
 420
 421 SD_TOOLS ADD-ON
 422 ---------------
 423
 424 DIR             FAT             CLUSTER         SECTOR          {SD_TOOLS}
 425
 426 DIR             dump first sector of current directory
 427 FAT             dump first sector of FAT1
 428 CLUSTER         .123 CLUSTER displays first sector of cluster 123
 429 SECTOR          .123456789 SECTOR displays sector 123456789
 430 {SD_TOOLS}      if you type {SD_TOOLS}  all subsequent loaded words are removed
 431
 432