NEC Network Controller uPD98502 - Manual (Page 177)

CHAPTER 2 V R 4120A
Preliminary User’s Manual S15543EJ1V0UM 177
Figure 2-78. Data Check Flow on Index_Store_Tag Operations
Start
Tag Write
from TagLo
END
Figure 2-79. Data Check Flow on Create_Dirty Operations
Start
Write-back
(see Figure 2-84)
END
Miss or Invalid
V bit, W bit
= 1 (dirty)
Tag Check
V bit and W bit set,
Tag write
Hit
= 0 (Clean)