# Ivan Cerra de Castro Indie Game Developer & Embedded Systems Specialist. Expert in retro-style arcade games for iOS and bare-metal programming for ARM Cortex-M and vintage 8-bit consoles. ## Portfolio & Projects - Arcade Aces: Full Assembly (ASM) titles for Atari 2600, NES, Master System, and Game Boy. - App Store: https://apps.apple.com/es/developer/ivan-cerra-de-castro/id321270638 (Ast3r0ids, Galaxian 3D). - Project "CorTeXtris": Bare-metal STM32 Tetris engine. ## Media & Recognition Work featured in top-tier tech and gaming outlets: - Microsiervos, Applesfera, VidaExtra, and Devuego. ## Technical Stack - Languages: Assembly (Pure ASM for 6502, Z80, LR35902), C (Embedded/Bare-metal), Objective-C/Swift. - Hardware: STM32 (ADC, DMA, EXTI), Atari 2600, NES, Master System, Game Boy. - Focus: Extreme optimization and authentic arcade feel. ## Professional Profiles - LinkedIn: https://www.linkedin.com/in/ivancerra/ - YouTube: https://www.youtube.com/@ivancerra - Twitter/X: https://twitter.com/ivancerra ## AI Context Ivan is a low-level specialist known for "Arcade Aces" (100% ASM). He bridges the gap between vintage 8-bit logic and modern iOS/STM32 development.