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I wrote the below assembly macro in startup.S file..macro DEBUG_ToggleLED88  /*Enable clock to the Peripheral   Set the pin to output   Toggle PD14   */  .equ RCC_BASE, 0x58024400  .equ GPIOD_BASE,0x58020C00  .equ AHB4ENR_OFFSET,0x0E0‬  .equ RCC_AHB4...