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[ 0 => '== Introduction ==', 1 => 'Hi, I'm Kamil Malicki, a low-level enthusiast. I'm contributing this page to document my minimalist AOT compiler project, Zip.', 2 => '', 3 => '== Zip ==', 4 => '{{language', 5 => '|name=Zip', 6 => '|author=[[User:KamilMalicki|Kamil Malicki]]', 7 => '|date=2024', 8 => '|type=S-expression, Native AOT, Hex-emitter', 9 => '|platform=x86_64 (Linux/Windows)', 10 => '|turingcomplete=Yes', 11 => '}}', 12 => '', 13 => ''''Zip''' (or '''zipcc''') is a minimalist AOT-compiled language created by '''Kamil Malicki'''. It bypasses the entire modern toolchain—no LLVM, no GNU Assembler, and no linker. The compiler (written in Node.js) directly emits raw x86_64 opcodes and manually constructs binary headers (ELF/PE).', 14 => '', 15 => '== Hardcore Specs ==', 16 => '', 17 => '=== Raw Byte Emission ===', 18 => 'The compiler acts as a hex-emitter. It doesn't generate <code>.s</code> files; it pushes raw bytes into a buffer:', 19 => '* '''Arithmetic:''' Maps directly to 64-bit <code>REX.W</code> prefixed opcodes.', 20 => '* '''Registers:''' ', 21 => '** <code>r12</code>: Hardcoded as the Base Pointer for the cell-array.', 22 => '** <code>rax / rbx</code>: Used for intermediate calculations and syscall arguments.', 23 => '', 24 => '=== Binary Surgery ===', 25 => 'Zip is one of the few esolangs that handles OS-level ABI from scratch:', 26 => '* '''Linux Backend:''' Manually builds an '''ELF64''' structure. It uses <code>sys_mmap</code> (syscall 9) to grab a 64KB page with <code>PROT_READ | PROT_WRITE</code> and executes a <code>sys_exit</code> (syscall 60) to clean up.', 27 => '* '''Windows Backend:''' Forges a '''Portable Executable (PE)''' header with a <code>.text</code> section. It relies on a <code>ret</code> (0xC3) convention to return control to the OS loader, avoiding the bloat of MSVC runtimes.', 28 => '', 29 => '=== Memory Model ===', 30 => 'Each cell is a strict 64-bit word. Pointer indirection is handled via nested memory syntax <code>$[ $[idx] ]</code>, which the compiler resolves into <code>mov</code> instructions with displacement.', 31 => '', 32 => '== Instruction Set ==', 33 => '', 34 => '{| class="wikitable"', 35 => '! Syntax !! Machine Code (Example) !! Technical Effect', 36 => '|-', 37 => '| <code>(= $[0] 1)</code> || <code>49 C7 04 24 01 00 00 00</code> || <code>MOV QWORD [R12], 1</code>', 38 => '|-', 39 => '| <code>(+ a b)</code> || <code>48 01 D8</code> || <code>ADD RAX, RBX</code>', 40 => '|-', 41 => '| <code>(in)</code> || <code>0F 05</code> (Linux) || <code>syscall</code> for <code>sys_read</code>', 42 => '|-', 43 => '| <code>(repeat)</code> || <code>E9 [rel32]</code> || Native near jump for looping', 44 => '|}', 45 => '', 46 => '== Computational Class ==', 47 => 'Zip is [[Turing complete]]. The combination of an arbitrary-access cell array (infinite tape emulation) and <code>repeat</code> blocks with comparison flags (<code>-e</code>, <code>-ne</code>, <code>-l</code>, <code>-g</code>) satisfies the requirements for a Universal Turing Machine.', 48 => '', 49 => '== Examples ==', 50 => '', 51 => '=== Self-Incrementing Pointer ===', 52 => '<pre>', 53 => '(= $[0] 0)', 54 => '(repeat (-e $[0] 100) (', 55 => ' (= $[ $[0] ] 255)', 56 => ' (= $[0] (+ $[0] 1))', 57 => '))', 58 => '</pre>', 59 => '', 60 => '== Implementation ==', 61 => 'Created by '''Kamil Malicki'''. The toolchain is self-contained:', 62 => '* '''zipcc.js''': The core logic (Lexer -> AST -> Bytecode Emitter).', 63 => '* '''No external dependencies''': You only need <code>node</code> to compile; the resulting binary is 100% standalone.', 64 => '', 65 => '== External links ==', 66 => '* [https://github.com/KamilMalicki/Zip Zip Repository]', 67 => '', 68 => '[[Category:Languages]]', 69 => '[[Category:Turing complete]]', 70 => '[[Category:X86-64 languages]]', 71 => '[[Category:Compiled languages]]' ]