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4- 18 M68040 USER'S MANUAL MOTOROLA
Table 4-4. Data-Cache Line State Transitions (Continued)
Current State
Cache Operation Invalid Cases Valid Cases Dirty Cases
Alternate Master Read Hit
(Snoop Control = 10
— Invalidate)
I10 Not Possible V10 No action; go to invalid
state.
D10 Inhibit memory and
source data; go to
invalid state
Alternate Master Write Hit
(Snoop Control = 10
—Invalidate)
I11 Not Possible V11 No action; go to invalid
state.
D11 No action; go to invalid
state.
Alternate Master Write Hit
(Snoop Control = 01
— Sink Data and
Size Line)
I12 Not Possible V12 No action; go to invalid
state.
D12 Inhibit memory and
sink data; set Dn bits
of modified long
words; remain in
current state.
Alternate Master Write Hit
(Snoop Control = 01
— Sink Data and
Size = Line)
I13 Not Possible V13 No action; go to invalid
state.
D13 No action; go to invalid
state.
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