Description: use of PC hardware-timed 8253, the establishment of a stopwatch Delay (0 ~ 9 seconds) program. Requirements : by the arbitrary button, the timer on screen to a second interval from 0 to 9 shows by the ESC key, a time to stop.
- [8253] - 8253 with the preparation of procedural
- [6-9] - will be stored in the DAT1 began an eigh
- [ex-2] - multi-module programming : with the use
- [dingshibiangejisuan] - calculated using the double byte data at
- [clock] - The design of electronic stopwatch 1, 82
- [dianzibaojingqi] - Electronic alarm design is implemented o
- [assemble] - err
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