C12; C13 - Nintendo Ultra64 Programmer's Manual

RSP Coprocessor 0
92
bit
clear PIPE COUNTER.
7
(0x0080)
clear COMMAND COUNTER.
8
(0x0100)
clear CLOCK COUNTER
9
(0x0200)

$c12

This register holds a clock counter, incremented on each cycle of the RDP
clock. This register is READ ONLY.
23
On power-up, this register is undefined.

$c13

This register holds a RDP command buffer busy counter, incremented on
each cycle of the RDP clock while the RDP command buffer is busy. This
register is READ ONLY.
23
On power-up, this register is undefined.
Description
RDP Clock Counter
24
RDP Command Busy Counter
24
0
0