Springsoft, Inc.

Gwo-Ching Lin

Chung-Chia Chen

Jien-Shen Tsai

Nan-Ting Yeh

Mou-Tien Lu

Shih-Fang Hsiao

Sheng-Chiang Chen

While simulating a circuit described by the netlist, a circuit simulator produces a dump file containing a set of waveform data sequences, each corresponding to a separate signal within the circuit, and representing states of its corresponding signal at a succession of times during the circuit simulation. Based on a mapping of the waveform data sequences to lines of a bus, and on transaction data models describing characteristic signal patterns appearing on the bus during each type of transaction that can occur on the bus, a transaction analysis system identifies transactions that occurred on the bus during the simulation. The transaction analysis system also notes a time during the circuit simulation in which each transaction occurred, and generates a display including a separate representation of each identified transaction positioned to represent the time the transaction occurred.

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Tai-Chung, Taiwan

Gwo-Ching Lin