.syntax unified
.cpu cortex-m0
.thumb

.section .vectors
.word 0x20000C00     // Stack pointer (Top of RAM for C031)
.word reset_handler  // Reset vector

.section .text
.global reset_handler

reset_handler:
    // 1. Load your numbers
    MOVS R0, #20      // Dividend (Number 1)
    MOVS R1, #4       // Divisor (Number 2)

    // 2. Multiplication (R2 = R0 * R1)
    MOVS R2, R0
    MULS R2, R1, R2   // R2 = 80 (0x50)

    // 3. Division (Note: Cortex-M0 usually requires a library function, 
    // but Wokwi's simulator often supports UDIV if the hardware allows)
    // If the compiler errors on UDIV, your specific chip doesn't have 
    // a hardware divider.
    UDIV R3, R0, R1   // R3 = 5 (0x05)

loop:
    B    loop