@ -795,8 +795,9 @@ T{ GE7 -> 124 }T
\ ------------------------------------------------------------------------
." TESTING SOURCE >IN WORD" CR
\ : GS1 S" SOURCE" 2DUP EVALUATE
\ >R SWAP >R = R> R> = ;
\ String is compiled into GS1 and is distinct from SOURCE.
\ : GS1 S" SOURCE" 2DUP 2DUP EVALUATE
\ >R SWAP >R = R> R> = ;
\ T{ GS1 -> <TRUE> <TRUE> }T
VARIABLE SCANS
@ -805,8 +806,8 @@ T{ 2 SCANS !
345 RESCAN?
-> 345 345 }T
\ : GS2 5 SCANS ! S" 123 RESCAN?" EVALUATE ;
\ T{ GS2 -> 123 123 123 123 123 }T
: GS2 5 SCANS ! S" 123 RESCAN?" EVALUATE ;
T{ GS2 -> 123 123 123 123 123 }T
: GS3 WORD COUNT SWAP C@ ;
T{ BL GS3 HELLO -> 5 CHAR H }T
@ -818,74 +819,73 @@ DROP -> 0 }T \ BLANK LINE RETURN ZERO-LENGTH STRING
T{ GS4 123 456
-> }T
\ \ ------------------------------------------------------------------------
\ TESTING <# # #S #> HOLD SIGN BASE >NUMBER HEX DECIMAL
." TESTING BASE >NUMBER HEX DEMICAL" CR
\
\ : S= \ ( ADDR1 C1 ADDR2 C2 -- T/F ) COMPARE TWO STRINGS.
\ >R SWAP R@ = IF \ MAKE SURE STRINGS HAVE SAME LENGTH
\ R> ?DUP IF \ IF NON-EMPTY STRINGS
\ 0 DO
\ OVER C@ OVER C@ - IF 2DROP <FALSE> UNLOOP EXIT THEN
\ SWAP CHAR+ SWAP CHAR+
\ LOOP
\ THEN
\ 2DROP <TRUE> \ IF WE GET HERE, STRINGS MATCH
\ ELSE
\ R> DROP 2DROP <FALSE> \ LENGTHS MISMATCH
\ THEN ;
\
\ : GP1 <# 41 HOLD 42 HOLD 0 0 #> S" BA" S= ;
\ T{ GP1 -> <TRUE> }T
\
\ : GP2 <# -1 SIGN 0 SIGN -1 SIGN 0 0 #> S" --" S= ;
\ T{ GP2 -> <TRUE> }T
\
\ : GP3 <# 1 0 # # #> S" 01" S= ;
\ T{ GP3 -> <TRUE> }T
\
\ : GP4 <# 1 0 #S #> S" 1" S= ;
\ T{ GP4 -> <TRUE> }T
\ ------------------------------------------------------------------------
." TESTING <# # #S #> HOLD SIGN BASE >NUMBER HEX DECIMAL" CR
: S= \ ( ADDR1 C1 ADDR2 C2 -- T/F ) COMPARE TWO STRINGS.
>R SWAP R@ = IF \ MAKE SURE STRINGS HAVE SAME LENGTH
R> ?DUP IF \ IF NON-EMPTY STRINGS
0 DO
OVER C@ OVER C@ - IF 2DROP <FALSE> UNLOOP EXIT THEN
SWAP CHAR+ SWAP CHAR+
LOOP
THEN
2DROP <TRUE> \ IF WE GET HERE, STRINGS MATCH
ELSE
R> DROP 2DROP <FALSE> \ LENGTHS MISMATCH
THEN ;
: GP1 <# 41 HOLD 42 HOLD 0 0 #> S" BA" S= ;
T{ GP1 -> <TRUE> }T
: GP2 <# -1 SIGN 0 SIGN -1 SIGN 0 0 #> S" --" S= ;
T{ GP2 -> <TRUE> }T
: GP3 <# 1 0 # # #> S" 01" S= ;
T{ GP3 -> <TRUE> }T
: GP4 <# 1 0 #S #> S" 1" S= ;
T{ GP4 -> <TRUE> }T
24 CONSTANT MAX-BASE \ BASE 2 .. 36
: COUNT-BITS
0 0 INVERT BEGIN DUP WHILE >R 1+ R> 2* REPEAT DROP ;
COUNT-BITS 2* CONSTANT #BITS-UD \ NUMBER OF BITS IN UD
\ : GP5
\ BASE @ <TRUE>
\ MAX-BASE 1+ 2 DO \ FOR EACH POSSIBLE BASE
\ I BASE ! \ TBD: ASSUMES BASE WORKS
\ I 0 <# #S #> S" 10" S= AND
\ LOOP
\ SWAP BASE ! ;
\ T{ GP5 -> <TRUE> }T
\
\ : GP6
\ BASE @ >R 2 BASE !
\ MAX-UINT MAX-UINT <# #S #> \ MAXIMUM UD TO BINARY
\ R> BASE ! \ S: C-ADDR U
\ DUP #BITS-UD = SWAP
\ 0 DO \ S: C-ADDR FLAG
\ OVER C@ [CHAR] 1 = AND \ ALL ONES
\ >R CHAR+ R>
\ LOOP SWAP DROP ;
\ T{ GP6 -> <TRUE> }T
\
\ : GP7
\ BASE @ >R MAX-BASE BASE !
\ <TRUE>
\ A 0 DO
\ I 0 <# #S #>
\ 1 = SWAP C@ I 30 + = AND AND
\ LOOP
\ MAX-BASE A DO
\ I 0 <# #S #>
\ 1 = SWAP C@ 41 I A - + = AND AND
\ LOOP
\ R> BASE ! ;
\
\ T{ GP7 -> <TRUE> }T
: GP5
BASE @ <TRUE>
MAX-BASE 1+ 2 DO \ FOR EACH POSSIBLE BASE
I BASE ! \ TBD: ASSUMES BASE WORKS
I 0 <# #S #> S" 10" S= AND
LOOP
SWAP BASE ! ;
T{ GP5 -> <TRUE> }T
: GP6
BASE @ >R 2 BASE !
MAX-UINT MAX-UINT <# #S #> \ MAXIMUM UD TO BINARY
R> BASE ! \ S: C-ADDR U
DUP #BITS-UD = SWAP
0 DO \ S: C-ADDR FLAG
OVER C@ [CHAR] 1 = AND \ ALL ONES
>R CHAR+ R>
LOOP SWAP DROP ;
T{ GP6 -> <TRUE> }T
: GP7
BASE @ >R MAX-BASE BASE !
<TRUE>
A 0 DO
I 0 <# #S #>
1 = SWAP C@ I 30 + = AND AND
LOOP
MAX-BASE A DO
I 0 <# #S #>
1 = SWAP C@ 41 I A - + = AND AND
LOOP
R> BASE ! ;
T{ GP7 -> <TRUE> }T
\ >NUMBER TESTS
CREATE GN-BUF 0 C,
@ -910,17 +910,17 @@ T{ 0 0 GN' G' 10 >NUMBER-BASED -> 0 0 GN-STRING }T
T{ 0 0 GN' G' MAX-BASE >NUMBER-BASED -> 10 0 GN-CONSUMED }T
T{ 0 0 GN' Z' MAX-BASE >NUMBER-BASED -> 23 0 GN-CONSUMED }T
\ : GN1 \ ( UD BASE -- UD' LEN ) UD SHOULD EQUAL UD' AND LEN SHOULD BE ZERO.
\ BASE @ >R BASE !
\ <# #S #>
\ 0 0 2SWAP >NUMBER SWAP DROP \ RETURN LENGTH ONLY
\ R> BASE ! ;
\ T{ 0 0 2 GN1 -> 0 0 0 }T
\ T{ MAX-UINT 0 2 GN1 -> MAX-UINT 0 0 }T
\ T{ MAX-UINT DUP 2 GN1 -> MAX-UINT DUP 0 }T
\ T{ 0 0 MAX-BASE GN1 -> 0 0 0 }T
\ T{ MAX-UINT 0 MAX-BASE GN1 -> MAX-UINT 0 0 }T
\ T{ MAX-UINT DUP MAX-BASE GN1 -> MAX-UINT DUP 0 }T
: GN1 \ ( UD BASE -- UD' LEN ) UD SHOULD EQUAL UD' AND LEN SHOULD BE ZERO.
BASE @ >R BASE !
<# #S #>
0 0 2SWAP >NUMBER SWAP DROP \ RETURN LENGTH ONLY
R> BASE ! ;
T{ 0 0 2 GN1 -> 0 0 0 }T
T{ MAX-UINT 0 2 GN1 -> MAX-UINT 0 0 }T
T{ MAX-UINT DUP 2 GN1 -> MAX-UINT DUP 0 }T
T{ 0 0 MAX-BASE GN1 -> 0 0 0 }T
T{ MAX-UINT 0 MAX-BASE GN1 -> MAX-UINT 0 0 }T
T{ MAX-UINT DUP MAX-BASE GN1 -> MAX-UINT DUP 0 }T
: GN2 \ ( -- 16 10 )
BASE @ >R HEX BASE @ DECIMAL BASE @ R> BASE ! ;
