fde32 is an extended length disassembler engine it s written in x86 asm for use with x86 instructions and supports the following instruction sets: * general-purpose instructions * FPU, MMX, 3DNow! * SSE-SSE4.2, AVX * VMX, SMX- fde

JWasm is a Masm-compatible assembler. It supports 16-, 32- and 64-bit code, instructions up to AVX and various output formats. It s written in C.