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kolibrios/programs/develop/brainfuck/examples/pi2.bf
Daniel Joseph 02434e6b15
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Add Brainfuck Interpreter with interactive REPL
Console-based REPL Implementation
- Use Jump table dispatch for execution
- RLE preprocessing as optimization
- Buffered output to minimize redraw
- File loading support via run command
- Add REPL commands: help, run, clear, reset, exit
- Two implementation: bf_shell_interp.asm, bf_console_interp.asm

This is my first contribution to KolibriOS for GSOC 2026
 WASM runtime project preparation
2026-03-09 09:57:09 +01:00

24 lines
1.1 KiB
Brainfuck

[ yet another pi calculation program in bf
Just like for pi16.b the accuracy of the result depends on the cellsize:
- using 8 bit cells causes an overflow after 4 digits
- using 16 bit cells causes an overflow after 537 digits
- using 32 bit cells causes an overflow after several millions of digits
It's about ~38 times shorter than pi16.b, ~364 times faster and works with
not-wrapping (bignum) implementations.
by Felix Nawothnig (felix.nawothnig@t-online.de) ]
> +++++ +++++ +++++ (15 digits)
[<+>>>>>>>>++++++++++<<<<<<<-]>+++++[<+++++++++>-]+>>>>>>+[<<+++[>>[-<]<[>]<-]>>
[>+>]<[<]>]>[[->>>>+<<<<]>>>+++>-]<[<<<<]<<<<<<<<+[->>>>>>>>>>>>[<+[->>>>+<<<<]>
>>>>]<<<<[>>>>>[<<<<+>>>>-]<<<<<-[<<++++++++++>>-]>>>[<<[<+<<+>>>-]<[>+<-]<++<<+
>>>>>>-]<<[-]<<-<[->>+<-[>>>]>[[<+>-]>+>>]<<<<<]>[-]>+<<<-[>>+<<-]<]<<<<+>>>>>>>
>[-]>[<<<+>>>-]<<++++++++++<[->>+<-[>>>]>[[<+>-]>+>>]<<<<<]>[-]>+>[<<+<+>>>-]<<<
<+<+>>[-[-[-[-[-[-[-[-[-<->[-<+<->>]]]]]]]]]]<[+++++[<<<++++++++<++++++++>>>>-]<
<<<+<->>>>[>+<<<+++++++++<->>>-]<<<<<[>>+<<-]+<[->-<]>[>>.<<<<[+.[-]]>>-]>[>>.<<
-]>[-]>[-]>>>[>>[<<<<<<<<+>>>>>>>>-]<<-]]>>[-]<<<[-]<<<<<<<<]++++++++++.