Bitwise

Bitwise is an Assembly-based esolang, created by a sleep-deprived User:MD XF.

Commands

|  command  |  arguments  |  description                                                                  |
-----------------------------------------------------------------------------------------------------------
|  IN       |  3          |  read a character into arg1 if arg2 nonzero, store result in arg3             |
|  OUT      |  3          |  print arg1 as ASCII if arg2 nonzero, store result in arg3                    |
|  AND      |  3          |  compute bitwise AND of arg1 and arg2, store result in arg3                   |
|  OR       |  3          |  compute bitwise OR of arg1 and arg2, store result in arg3                    |
|  XOR      |  3          |  compute bitwise EXCLUSIVE OR of arg1 and arg2, store result in arg3          |
|  SL       |  3          |  shift arg1 left by arg2 places, store result in arg3                         |
|  SR       |  3          |  shift arg1 right by arg2 places, store result in arg3                        |
|  LSR      |  3          |  logical-shift arg1 right by arg2 places, store result in arg3                |
|  MOV      |  3          |  move arg2 into arg1 if arg3 is nonzero                                       |
|  JMP      |  2          |  jump arg1 lines in the code (or to the point in label arg1) if arg2 nonzero  |
|  NOT      |  2          |  compute logical NOT of arg1, store result in arg2                            |
|  LABEL    |  1          |  create label with name arg1 at current point                                 |
|  FRAME    |  0          |  new application frame                                                        |
|  DEFRAME  |  0          |  back to previous application frame                                           |

Syntax

COMMAND ARG1 ARG2 ARG3

Argument types:

• 1 - register 1
• &1 - literal 1
• *1 - frame register 1
• @1 - label 1
• -1 - immediately discarded 1

Functions

.FUNC_NAME:
....
RET RETURN_VALUE

Call as you would any builtin function.

Notes

JMP functionality:

|  arg1  |  description            |
|  -1    |  re-reads current line  |
|  0     |  exits                  |
|  1     |  skips next line        |

FRAME and DEFRAME create a new set of temporary registers, called “frame registers”. So this code:

MOV *1 &48 &1
FRAME
MOV *1 &49 &1
OUT *1 &1
DEFRAME
OUT *1 &1

will print 10, while this code:

MOV *1 &48 &1
MOV *1 &49 &1
OUT *1 &1
OUT *1 &1

will print 11.