Malbolge programming : One of the toughest programming language

   

     We are using many programming languages like Java, Python, C, C++ and more for developing new and amazing technology so that humans can easily do everything they want. There are some programming language which are very difficult, and also there are some programming languages which are very easy. Today in these post i m going to discuss about Malbolge programming language which is one of the toughest programming language.

👉Malbolge Programming:

     Malbolge is a public domain esoteric language invented by Ben Olmstead in year 1998. The name "Malbolge" is derived from 8th circle of hell in Dante's Inferno. Malbolge was specially designed to be almost impossible to use via counter intuitive crazy operation, base three arithmetic and self altering code. It builds on the difficulty of earlier, challenging esoteric languages, but takes this aspect to the extreme, playing on the entangled histories of computer science and encryption. Despite this design, it is possible to write useful Malbolge programs.

👉How difficult this programming languages is?

     Malbolge was so difficult to understand when it arrived that it took two years for the first Malbolge program to appear. Indeed, the author himself has never written a singe Malbolge program. The first Malbolge program was not written by human being, it was generated by a beam search algorithm (Heuristic Search Algorithm) which is designed by Andrew Cooke and implemented in Lisp (type of computer program). Hisashi lizawa proposed a guide for programming in Malbolge for the purpose of the application for obfuscation in software protection.

    Malbolge is machine language for a ternary virtual machine, the Malbolge interpreter. The standard interpreter and the official specification do not match perfectly. One difference is that the compiler stops execution with data outside the 33-126 range. Although this was initially consider a bug in the compiler, Ben Olmstead stated that it was intended and there was in fact "a bug in the specification".

👉Registers in Malbolge:

      Malbolge has three registers that are a,c,and d. Initially the value of all three reguster is zero.
Register A stands for Accumulator, Register C is the Code pointer and Register D is the Data pointer.

👉Malbolge Instructions:

Value of ([c] + c) % 94	Instruction represented	Explanation
4	jmp [d]	The value at [d] is where Malbolge will jump to and start executing instructions.
5	out a	Prints the value of a, as an ASCII character, to the screen.
23	in a	Inputs a character, as an ASCII code, into a. Newlines or line feeds are both code 10. An end-of-file condition is code 59048.
39	rotr [d] mov a, [d]	Rotates the value at [d] by one ternary digit (0002111112 becomes 2000211111). Stores the result both at [d] and in a.
40	mov d, [d]	Copies the value at [d] to d.
62	crz [d], a mov a, [d]	Does the crazy operation (see below) with the value at [d] and the value of a. Stores the result both at [d] and in a.
68	nop	Does nothing.
81	end	Ends the Malbolge program.
Any other value	does the same as 68: nothing. These other values are not allowed in a program while it is being loaded, but are allowed afterwards.

     Malbolge has eight instructions. Malbolge figures out which instruction to execute by taking the value [C], adding the value of C to it , and taking the remainder when this is divided by 94.The final result tells the interpreter what to do
     After each instruction is executed, the guilty instruction gets encrypted so that it will not do same thing next time, unless a jump just happened, Right after a jump, Malbolge will encrypt the innocent instruction just prior to the one it jumped to instead. Then, the values of both C and D are increased by one and the next instruction is executed.

👉Crazy Operation:

crz		Input 2
		0	1	2
Input 1	0	1	0	0
	1	1	0	2
	2	2	2	1

👉Encryption Table:

Result	Encrypted	Result	Encrypted	Result	Encrypted	Result	Encrypted	Result	Encrypted
0	57	19	108	38	113	57	91	76	79
1	109	20	125	39	116	58	37	77	65
2	60	21	82	40	121	59	92	78	49
3	46	22	69	41	102	60	51	79	67
4	84	23	111	42	114	61	100	80	66
5	86	24	107	43	36	62	76	81	54
6	97	25	78	44	40	63	43	82	118
7	99	26	58	45	119	64	81	83	94
8	96	27	35	46	101	65	59	84	61
9	117	28	63	47	52	66	62	85	73
10	89	29	71	48	123	67	85	86	95
11	42	30	34	49	87	68	33	87	48
12	77	31	105	50	80	69	112	88	47
13	75	32	64	51	41	70	74	89	56
14	39	33	53	52	72	71	83	90	124
15	88	34	122	53	45	72	55	91	106
16	126	35	93	54	90	73	50	92	115
17	120	36	38	55	110	74	70	93	98
18	68	37	103	56	44	75	104

👉Some Examples of Malbolge Programming:

1. To print "Hello World!"
      (=<`#9]~6ZY32Vx/4Rs+0No-&Jk)"Fh}|Bcy?`=*z]Kw%oG4UUS0/@-ejc(:'8dc
   
2. To read a string from a user and  print that string

     (=BA#9"=<;:3y7x54-21q/p-,+*)"!h%B0/.

     ~P<

      <:(8&

      66#"!~}|{zyxwvu

      gJ%

     If you want to do some challenging you can try this language. This is toughest programming language if you have excellent coding skills you can try this Malbolge language

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