`bit.print_dec_uint.div10_step`¶

One step inside bit.print_dec_uint: divides src by 10, stashes the remainder as an ASCII digit, and trips char_flag to make this digit printable.

Signature¶

def div10_step div10, xor, ret_reg, src, ascii_res, char_flag, zero_flag, start_printing { ... }

Defined in bit/output.fj — lines 202–209 (view on GitHub).

Complexity¶

Time: n(7@+12)
Space: 11@-3

See the complexity glossary for what @, w, dw, dbit, n mean.

Source¶

Click to view the macro body

def div10_step div10, xor, ret_reg, src, ascii_res, char_flag, zero_flag, start_printing {
    ..if1 zero_flag, start_printing
    stl.fcall div10, ret_reg
    ..zero 4, ascii_res
    rep(4, i) ..double_exact_xor ascii_res+dbit+i*dw, src+dbit+i*dw, src+i*dw
    ..not char_flag
    stl.fcall xor, ret_reg
}

Depends on¶

bit.if1/2
bit.not/1
bit.zero/2
stl.fcall

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