Emulating Space Invaders in React:
summary
Builds a working Chip-8 emulator in React that loads ROM bytes at 0x200, decodes two-byte opcodes in a CPU loop, and runs classic ROMs like Pong and UFO; implements registers, a stack, timers at ~60Hz, and a 64×32 framebuffer stored as bits so collision and drawing share the same state. Uses CSS Grid for the canvas, a manual state object to avoid setState at 60Hz, implements a hex keymap and WebAudio beeps, and demos playable but debugger-slow performance on actual games.
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chapters (11)
- 0:00Introduction
- 2:58Chip 8 Emulator
- 3:44What is an Emulator
- 6:31Game Logic
- 7:42Memory Setup
- 12:28Emulating the CPU
- 18:11UFO
- 23:09Video Output
- 28:00Sound Output
- 28:46Input
- 29:58NES
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