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block-050.fth
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\ block-050.c3 - See the definition of a word
' LEX-SEE loaded?
LEX-C3 : LEX-SEE 50 LEX! ; LEX-SEE
variable (jt) 256 CELLS allot
: >jt ( a n-- ) CELLS (jt) + ! ;
: jt@ ( n--a ) CELLS (jt) + @ ;
: jtx ( n-- ) jt@ ?dup if execute else ." (data)" then ;
: jt-init 256 0 do 0 i >jt loop ;
jt-init
: lp '(' emit ; inline
: rp ')' emit ; inline
: .2 ( n-- ) dup #10 < IF '0' emit THEN (.) ;
: .H2 ( n-- ) dup $10 < IF '0' emit THEN ." %X" ;
: .x ( n--n ) dup lp .H2 rp space ;
: .p ( n--n ) dup .H2 space ;
: find-xt ( xt--a ) +regs s2 last s1 code-end s3
begin r1 r3 < while
r1 @ r2 = if r1 -exit then
r1 word-sz + s1
repeat 0 -regs ;
: .dict ( a-- ) ." ; " .word ;
: .word-xt ( xt-- ) find-xt ?dup IF .dict THEN ;
: .H ." $%x " ;
: .W ( $FFFFF AND ) .H ;
: .xt dup .W .word-xt ;
: +CELL r9 CELL+ s9 ;
: .CB r9 c@ .2 space ;
: .NB .CB i9 ;
: .NC r9 @ .W +CELL ;
: .NDX1 r9+ c@ DUP ." (#%d/$%x)" ;
: .NDX r9 @ dup ." (#%d/$%x)" +CELL ;
:noname .CB ." LIT1 " .NDX1 ; 1 >jt
:noname ." LIT " .NDX ; 2 >jt
:noname ." EXIT" ; 3 >jt
:noname ." CALL " r9 @ .xt +CELL ; 4 >jt
:noname ." JMP " .NC ; 5 >jt
:noname ." JMPZ " .NC ; 6 >jt
:noname ." JMPNZ " .NC ; 7 >jt
:noname ." STORE" ; 8 >jt
:noname ." CSTORE" ; 9 >jt
:noname ." FETCH" ; 10 >jt
:noname ." CFETCH" ; 11 >jt
:noname ." DUP" ; 12 >jt
:noname ." SWAP" ; 13 >jt
:noname ." OVER" ; 14 >jt
:noname ." DROP" ; 15 >jt
:noname ." ADD" ; 16 >jt
:noname ." MULT" ; 17 >jt
:noname ." SLMOD" ; 18 >jt
:noname ." SUB" ; 19 >jt
:noname ." INC" ; 20 >jt
:noname ." DEC" ; 21 >jt
:noname ." LT" ; 22 >jt
:noname ." EQ" ; 23 >jt
:noname ." GT" ; 24 >jt
:noname ." LNOT" ; 25 >jt
:noname ." DTOR" ; 26 >jt
:noname ." RFROM" ; 27 >jt
:noname ." RTOD" ; 28 >jt
:noname ." DO"; 29 >jt
:noname ." LOOP" ; 30 >jt
:noname ." LOOP2" ; 31 >jt
:noname ." ADDR-I" ; 32 >jt
:noname ." COM" ; 33 >jt
:noname ." AND" ; 34 >jt
:noname ." OR" ; 35 >jt
:noname ." XOR" ; 36 >jt
:noname ." TYPE" ; 37 >jt
:noname ." ZTYPE" ; 38 >jt
:noname .CB ." INCREG " .NB ; 39 >jt
:noname .CB ." DECREG " .NB ; 40 >jt
:noname .CB ." REG " .NB ; 41 >jt
:noname .CB ." REGDEC " .NB ; 42 >jt
:noname .CB ." REGINC " .NB ; 43 >jt
:noname .CB ." REGSET " .NB ; 44 >jt
:noname ." +REGS" ; 45 >jt
:noname ." -REGS" ; 46 >jt
:noname r9+ c@ .p s0 \ SYSTEM Opcodes
r0 0 = IF ." INLINE" EXIT THEN
r0 1 = IF ." IMMEDIATE" EXIT THEN
r0 2 = IF ." (.)" EXIT THEN
\ r0 3 = IF ." -exit-" EXIT THEN
r0 4 = IF ." ITOA" EXIT THEN
r0 5 = IF ." ATOI" EXIT THEN
r0 6 = IF ." COLON" EXIT THEN
r0 7 = IF ." SEMICOLON" EXIT THEN
r0 8 = IF ." CREATE" EXIT THEN
r0 9 = IF ." FIND-WORD" EXIT THEN
r0 10 = IF ." NEXT-WORD" EXIT THEN
r0 11 = IF ." TIMER" EXIT THEN
r0 12 = IF ." CCOMMA" EXIT THEN
r0 13 = IF ." COMMA" EXIT THEN
r0 14 = IF ." KEY" EXIT THEN
r0 15 = IF ." ?KEY" EXIT THEN
r0 16 = IF ." EMIT" EXIT THEN
r0 17 = IF ." QTYPE" EXIT THEN
; 47 >jt
:noname r9+ c@ .p s0 \ STRING Opcodes
r0 0 = IF ." S-TRUNC" EXIT THEN
r0 1 = IF ." LCASE" EXIT THEN
r0 2 = IF ." UCASE" EXIT THEN
\ r0 3 = IF ." -exit-" EXIT THEN
r0 4 = IF ." S-CPY" EXIT THEN
r0 5 = IF ." S-CAT" EXIT THEN
r0 6 = IF ." S-CATC" EXIT THEN
r0 7 = IF ." S-LEN" EXIT THEN
r0 8 = IF ." S-EQ" EXIT THEN
r0 9 = IF ." S-EQI" EXIT THEN
r0 10 = IF ." S-EQN" EXIT THEN
r0 11 = IF ." S-LTRIM" EXIT THEN
r0 12 = IF ." S-RTRIM" EXIT THEN
r0 13 = IF ." S-FINDC" EXIT THEN
; 48 >jt
:noname r9+ c@ .p s0 \ FLOAT Opcodes
r0 0 = IF ." F+" EXIT THEN
r0 1 = IF ." F-" EXIT THEN
r0 2 = IF ." F*" EXIT THEN
\ r0 3 = IF ." -exit-" EXIT THEN
r0 4 = IF ." F/" EXIT THEN
r0 5 = IF ." F=" EXIT THEN
r0 6 = IF ." F<" EXIT THEN
r0 7 = IF ." F>" EXIT THEN
r0 8 = IF ." F>I" EXIT THEN
r0 9 = IF ." I>F" EXIT THEN
r0 10 = IF ." F." EXIT THEN
r0 11 = IF ." F-SQRT" EXIT THEN
r0 12 = IF ." F-TANH" EXIT THEN
; 49 >jt
:noname ." SYSTEM" ; 100 >jt
:noname ." FOPEN" ; 101 >jt
:noname ." FCLOSE" ; 102 >jt
:noname ." FREAD" ; 103 >jt
:noname ." FWRITE" ; 104 >jt
:noname ." FLOAD" ; 105 >jt
:noname ." BLOAD" ; 106 >jt
:noname ." EDIT-BLK" ; 107 >jt
:noname ." EDIT-FILE" ; 108 >jt
: see-1 ( [r9] -- ) cr r9+ dup ." %X: " dup c@ .p jtx .word-xt ;
: see-range ( t f-- ) s9 s1 begin r9 r1 < while see-1 repeat ;
: see ( -- ) ' 0= if ." -nf-" exit then
+regs s8 s9
HERE s1 r9 find-xt
DUP LAST > IF word-sz - @ s1 ELSE DROP THEN
r1 r9 see-range -regs ;