Interrupt the A/D acquisition system using ADC0809 channel 0, access to 0-5V DC voltage, using W1 to adjust the analog voltage value, A/D conversion end signal EOC then the IRQ3 in 8259A, the 100 data collection co-exist into memory, at the same time, 16-band data collected in the digital tube display. Requested several times to adjust 0-5V voltage value (rotary knob moving W1) for A/D collection, and observation data in memory changes.

AD1.txt

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