Question: Edge detector. Write a function that outputs a short pulse on bit 7 of virtual _ gpio _ out when ; rising edge is detected

Edge detector. Write a function that outputs a short pulse on bit 7 of "virtual_gpio_out" when
; rising edge is detected on one of bit of "virtual_gpio_in". The bit to detect the rising edge
; (bit mask) is passed via R3. The 'rising edge' is changing bit from '0' to '1'.

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