: bignum-bits ( -- n ) bootstrap-cell-bits 2 - ;
-: bignum-radix ( -- n ) bignum-bits 2^ 1- ;
+: bignum-radix ( -- n ) bignum-bits 2^ 1 - ;
: bignum>seq ( n -- seq )
#! n is positive or zero.
: emit-bignum ( n -- )
dup dup 0 < [ neg ] when bignum>seq
- [ nip length 1+ emit-fixnum ]
+ [ nip length 1 + emit-fixnum ]
[ drop 0 < 1 0 ? emit ]
[ nip emit-seq ]
2tri ;