Accell MPC-68K Series Bedienungsanleitung PDF herunterladen (Seite 33)

Multi-task

 MPC-684 has 32 tasks ( task0 : Main-task. task1~31 : sub-tasks)

 Main-task executes immediately after the RUN command (program mode) or MPC-684

power-on (auto mode). Sub-tasks are executed from main-task.

 There isn't any prioritization of sub task. A sub task can execute or cancel out other sub

tasks.

The commands for multi-task

 FORK,END,QUIT

The FORK command executes a sub-task.

The task is cancelled by the END command included in that task or by using the QUIT

command in a different task.

 PAUSE,CONT

The PAUSE command pauses other tasks execution.

The CONT command enables the task to continue after it has been paused by the PUASE

command stop.

10 FORK 1 *TASK1 /* sub-task1 execute

20 WAIT SW(192)==1

30 QUIT 1 /* sub-task1 destroy

40 OFF 0

50 END

60 *TASK1

70 DO

80 ON 0 : TIME 500

90 OFF 0 : TIME 500

100 LOOP

1 2 ... 28 29 30 31 32 33 34 35 36 37 38 ... 44 45

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Accell MPC-68K Series Bedienungsanleitung Seite 33