Hex To Arm Converter ✨
Standard ARM assembly syntax (UAL - Unified Assembly Language). 5. Example Conversions ARM mode | Hex | Assembly | |------|-----------| | E1A00000 | MOV R0, R0 (NOP) | | E3A0102A | MOV R1, #42 | | E2833001 | ADD R3, R3, #1 | | E5902000 | LDR R2, [R0] | | EA000005 | B 0x20 (branch) | Thumb mode | Hex | Assembly | |------|-----------| | 2001 | MOVS R0, #1 | | 1C40 | ADDS R0, R0, #1 | | 6800 | LDR R0, [R0, #0] | 6. Building a Simple Converter (Python) Here’s a minimal ARM (A32) decoder for data processing instructions:
if ((instr & 0xFC000000) == 0xE3A00000) // MOV immediate int rd = (instr >> 12) & 0xF; int imm = instr & 0xFF; printf("MOV R%d, #%d\n", rd, imm); hex to arm converter
| Set | Instruction width | Typical devices | |------|------------------|----------------| | ARM (A32) | 32-bit fixed | Classic ARM cores, Cortex-A | | Thumb (T16) | 16-bit | Cortex-M, lower memory footprint | | Thumb-2 (T32) | Mixed 16/32-bit | Modern Cortex-M3/M4/M7/M33 | Standard ARM assembly syntax (UAL - Unified Assembly
instr = 0xE3A00005 cond = (instr >> 28) & 0xF opcode = (instr >> 21) & 0xF rn = (instr >> 16) & 0xF rd = (instr >> 12) & 0xF Use lookup tables or switch-case for opcode + additional bits: Building a Simple Converter (Python) Here’s a minimal