| 摘要 |
PROBLEM TO BE SOLVED: To provide a game machine capable of immediately starting up control means which performs main control or peripheral control of a game.SOLUTION: When a reset signal 22 from a power failure monitoring circuit is cancelled, input of a CLR terminal of a monostable multivariate MM3 starts up and low pulse of one shot is output from a Q-bar terminal. Output of NAND starts up due to the low pulse of one shot and high pulse is input to a WD terminal of a watchdog timer IC 27. Therefore, since the reset pulse is not output from an RST terminal of the watchdog timer IC 27 after cancellation of the reset signal 22, reset processing of an MPU 28 can be terminated only once and the MPU 28 can be started up immediately.SELECTED DRAWING: Figure 10 |
