@startuml
scale 700 height
skinparam backgroundColor transparent
skinparam shadowing false
skinparam defaultFontName Monospace
skinparam defaultFontSize 12
skinparam stateBorderColor #2c7794
skinparam stateBackgroundColor #edf6fa
title A6 STATE — value and pending are separate state
[*] --> ClearCount : 01 value=0 / not pending
ClearCount --> WaitingCount : 03 wait
WaitingCount --> Count3 : 04 three gives
Count3 --> ClearOverwrite : 05 take(pdTRUE) returns 3
ClearOverwrite --> WaitingOverwrite : 06 wait
WaitingOverwrite --> Value11 : overwrite 0x11
Value11 --> Value22 : overwrite 0x22
Value22 --> ClearBits : 08 wait returns 0x22
ClearBits --> WaitingBits : 09 wait
WaitingBits --> Bits04 : set 0x04
Bits04 --> Bits24 : OR 0x20
Bits24 --> ClearDone : 11 wait returns 0x24
ClearDone --> [*] : 12 PASS
@enduml