NEC PC-8201 - Page 75

(4) OUT B9H Operation Test
By executing the test program in Figure 5.40. you can confirm the signal shown in
Figure 5.41 in
U18 (P21).
Figure 5.40 Test Program
Figure
5.41 Signal in U18 (P21)
(5) OUT BAH Operation Test
By executing the test program in Figure 5.42, the signal in U18 (1'3 1) changes from
''H" level to "L" level.
10 OUT 186,0
Figure 5.42 Test Program
(6) IN BBH Operation Test
You can confirm the signal shown
in Figure 5.43 in U18 (P37).
Figure 5.43 Signal in U18 (P37)