Here's the exact prompt thats causing the grief:
Write a javascript function assemble(program) with a list input program
each entry representing one line of program text that returns a list of numbers representing bytes of VM CPU instructions.\n\nThe assembler syntax is one instruction per line in the following form:\n\nOPCODE [argument] [# comment]
\n\n- Required OPCODE (see OPCODE table below)\n- Optional argument, an integer immediate value (default 0). Convert negative argument values to unit8 (twos complement).\n- Optional comment prefixed by #
that should be ignored\n\nInstructions are always 2 encoded as bytes: [command_byte] [argument_byte]\n\nThe valid OPCODE values, their corresponding command_byte values and explanations of their arguments are:\n\n- CONTROL (command_byte=0) run control - halts the program and return the stack when argument is 255, otherwise does nothing.\n- COND (command_byte=128) conditional - skip the next instruction (program counter +4 instead of the usual +2) if R0 is less then or equal to argument byte\n- LOAD (command_byte=4) load - loads the argument byte into R0\n- SWP (command_byte=8) swap - swaps R0 and R1, ignores argument\n- PUSH (command_byte=32) push - pushes to stack, R0 if argument is 0 otherwise R1\n- POP (command_byte=33) pop - pops R0 from stack, R0 if argument is 0 otherwise R1\n\nImportant details: \n- Return value should be a list of uint8 byte values in the range [0,255]
Broken GGUFs return:
To implement the assemble
function, we need to parse each line of the input program
and convert it into a list of bytes representing the VM CPU instructions. Here's a step-by-step breakdown of how to achieve this:\n\n1. Define the OPCODE Mapping: Create a dictionary to map each OPCODE to its corresponding command_byte
.\n\n2. Parse Each Line: For each line in the program
, split the line into components: OPCODE, argument, and comment. Ignore the comment.\n\n3. Handle Arguments: Convert the argument to an 8-bit unsigned integer (0-255). If the argument is negative, convert it to its two's complement representation.\n\n4. Encode Instructions: For each instruction, encode it into two bytes: [command_byte] [argument_byte]
.\n\n5. Return the Byte List: Collect all encoded instructions into a list and return it.\n\nHere's the implementation:\n\npython\ndef assemble(program):\n # Define the OPCODE to command_byte mapping\n opcode_map = {\n 'CONTROL': 0,\n 'COND': 128,\n 'LOAD': 4,\n 'SWP': 8,\n 'PUSH': 32,\n 'POP': 33\n }\n \n def to_uint8(value):\n \"\"\"Convert an integer to an 8-bit unsigned integer (0-255).\"\"\"\n return value & 0xFF\n \n def parse_line(line):\n \"\"\"Parse a single line of the program.\"\"\"\n # Remove comments\n line = line.split('#')[0].strip()\n if not line:\n return None\n \n parts = line.split()\n opcode = parts[0]\n argument = 0\n \n if len(parts) > 1:\n try:\n argument = int(parts[1])\n except ValueError:\n raise ValueError(f\"Invalid argument: {parts[1]}\")\n \n # Convert argument to uint8\n argument = to_uint8(argument)\n \n # Get the command_byte from the opcode map\n if opcode not in opcode_map:\n raise ValueError(f\"Invalid OPCODE: {opcode}\")\n \n command_byte = opcode_map[opcode]\n \n return [command_byte, argument]\n \n # Assemble the program into a list of bytes\n assembled_bytes = []\n for line in program:\n instruction = parse_line(line)\n if instruction:\n assembled_bytes.extend(instruction)\n \n return assembled_bytes\n\n# Example usage:\nprogram = [\n \"LOAD 10\",\n \"PUSH 0\",\n \"SWP\",\n \"POP 1\",\n \"COND 5\",\n \"CONTROL 255\"\n]\n\nprint(assemble(program))\n
\n\n### Explanation:\n\n- Opcode Mapping: The opcode_map
dictionary maps each OPCODE to its corresponding command_byte
.\n\n- Argument Handling: The to_uint8
function ensures that the argument is within the 0-255 range using bitwise AND with 0xFF
.\n\n- Line Parsing: The parse_line
function splits each line, removes comments, and extracts the OPCODE and argument. It checks for valid OPCODEs and converts arguments to uint8.\n\n- Instruction Encoding: Each parsed instruction is encoded into two bytes and added to the assembled_bytes
list.\n\nThis function will correctly assemble the given program into a list of bytes representing the VM CPU instructions.
Not-broken GGUF returns:
To implement the assemble
function, we need to parse each line of the input program
, extract the opcode and optional argument, and convert them into the corresponding byte values. Here's how you can achieve this:\n\njavascript\nfunction assemble(program) {\n const result = [];\n\n program.forEach(line => {\n // Remove comments\n const code = line.split('#')[0].trim();\n if (code === '') return;\n\n // Split into parts\n const parts = code.split(/\\s+/);\n const opcode = parts[0];\n let argument = 0;\n\n // Determine the command byte and argument\n let commandByte;\n switch (opcode) {\n case 'CONTROL':\n commandByte = 0;\n argument = parts[1] ? parseInt(parts[1], 10) : 0;\n break;\n case 'COND':\n commandByte = 128;\n argument = parts[1] ? parseInt(parts[1], 10) : 0;\n break;\n case 'LOAD':\n commandByte = 4;\n argument = parts[1] ? parseInt(parts[1], 10) : 0;\n break;\n case 'SWP':\n commandByte = 8;\n // SWP ignores the argument\n break;\n case 'PUSH':\n commandByte = 32;\n argument = parts[1] ? parseInt(parts[1], 10) : 0;\n break;\n case 'POP':\n commandByte = 33;\n argument = parts[1] ? parseInt(parts[1], 10) : 0;\n break;\n default:\n throw new Error(`Unknown opcode: ${opcode}`);\n }\n\n // Convert argument to a byte (0-255)\n if (argument < 0) {\n argument = (256 + (argument % 256)) % 256;\n } else {\n argument = argument % 256;\n }\n\n // Add the command byte and argument byte to the result\n result.push(commandByte, argument);\n });\n\n return result;\n}\n\n// Example usage:\nconst program = [\n \"LOAD 10\",\n \"PUSH 0\",\n \"SWP\",\n \"POP 1\",\n \"COND 5\",\n \"CONTROL 255\",\n \"LOAD -5 # Load negative number\"\n];\n\nconsole.log(assemble(program));\n
\n\n### Explanation:\n\n1. Comment Removal: Each line is split at the #
character to remove comments, and then trimmed to remove any leading or trailing whitespace.\n\n2. Opcode Parsing: The line is split into parts to separate the opcode from the argument. The opcode is the first part, and the argument (if present) is the second part.\n\n3. Command Byte Assignment: Based on the opcode, the corresponding commandByte
is assigned. For SWP
, the argument is ignored.\n\n4. Argument Handling: The argument is parsed as an integer. If it's negative, it's converted to an 8-bit unsigned integer using two's complement logic.\n\n5. Result Construction: The commandByte
and argument
are pushed into the result array as two separate bytes.\n\nThis function will correctly assemble the program into a list of byte values as specified.