ECE 353 Introduction to Microprocessor Systems. Michael Schulte. Week 7. Administrative Matters. Homework #4 is due Friday, April 4 th , 2008 Quiz #2 is rescheduled for Thursday, April 10 th from 7:15 to 8:30 Discussion section tonight 6:30-8:00pm in 3534 Engineering Hall
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ECE 353Introduction to Microprocessor Systems
Write a subroutine to read data from an input device like the hardware example. Assume that the flag is a READY signal (active high). If the device does not become ready after 1 trillion polling attempts, return with R0 = -1, otherwise, return with the data in R0.
/MS0 base address = 0x1000 0000