SuperH-based fx calculators
fx-CG20, time

Apart from the RTC-syscalls there are some additional functions designed for more precise timing purposes.
syscall 0x11D6: void CMT_Delay_micros( int delay_microseconds );
Microseconds delay.
Based on the 7730 CMT.
syscall 0x11D7: void CMT_Delay_100micros( int delay_100microseconds );
100 microseconds delay. Based on the 7730 CMT.
syscall 0x1BB4: void OS_InnerWait_ms( int delay_ms );
Milliseconds delay. Based on the 7305 TMU (channel 2), which is a 7730 TMU with a different address.

(10.05.2011 12:13:09)