C11; Table 4-4 Rdp Status Register - Nintendo Ultra64 Programmer's Manual

RSP Coprocessor 0
90
register, this address is interpreted by the RDP as either a 24 bit physical
DRAM address, or a 12 bit DMEM address (see $c11).
On power-up, this register is 0x0.

$c11

This register holds the RDP status.

Table 4-4 RDP Status Register

Access
bit field
Mode
0 x RW
1 f RW
2 fl RW
3 g RW
4 tb R
5 pb R
6 cb R
23
RDP Command Current
24
10 9 8 7
sv ev db cr
1 1 1 1
Description
Use XBUS DMEM DMA or DRAM DMA.
RDP is frozen.
RDP is flushed.
GCLK is alive.
TMEM is busy.
RDP PIPELINE is busy.
RDP COMMAND unit is busy.
0
6 5 4 3 2 1
cb pb tb g fl f
1 1 1 1 1 1
0
x
1