demo/src/intelhex.ts


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/**
 * Minimal Intel HEX loader
 * Part of AVR8js
 *
 * Copyright (C) 2019, Uri Shaked
 */

export function loadHex(source: string, target: Uint8Array) {
  for (const line of source.split('\n')) {
    if (line[0] === ':' && line.substr(7, 2) === '00') {
      const bytes = parseInt(line.substr(1, 2), 16);
      const addr = parseInt(line.substr(3, 4), 16);
      for (let i = 0; i < bytes; i++) {
        target[addr + i] = parseInt(line.substr(9 + i * 2, 2), 16);
      }
    }
  }
}