Open seesoonki opened 4 years ago
Very new to asm coding. Puzzled why systemTimer.s Wait loop$ uses: sub elapsed,r0,start to delay?
sub elapsed,r0,start
Q1. Isn't GetTimeStamp 64bit, but SUB 32-bit? Q2. Why is it ok to ignore r1 counter values and only subtract on r0?
Very new to asm coding. Puzzled why systemTimer.s Wait loop$ uses:
sub elapsed,r0,start
to delay?Q1. Isn't GetTimeStamp 64bit, but SUB 32-bit? Q2. Why is it ok to ignore r1 counter values and only subtract on r0?