Deterministic Intel HEX (I8HEX/I32HEX record types 00..05 two's-complement checksum) & Motorola S-Record (S0..S9 one's-complement) interval-tree memory mapper + 0xFF padding & STM32/IEEE CRC-32 injector engine (.hex, .srec, .s19, .mot) built for STMicroelectronics STM32, NXP, Segger J-Link, Microchip — zero-upload ephemeral Wasm RAM execution.
Running ephemeral Wasm verification…