The collision registers are all reset simultaneously by writing to this collision reset register. This is usually done near the end of vertical blank after all possible collisions will have been detected.
This register is a strobe, triggered by the write itself; data bits are ignored.
CXCLR = $2C
Collision Clear Register
| WRITE | Name | D7 | D6 | D5 | D4 | D3 | D2 | D1 | D0
|
| $2C | CXCLR | S T R O B E | |||||||