NVIS 5586A, Learning Material

Page: 164 / 191

Nvis 5586A
Nvis Technologies Pvt. Ltd. 164
0404 B000 CH1: MOV AL,00H ;SELECT CHANNEL A0
0406 E8 50 00 CALL 0459 ;SEND SOC AND ALE PULSE AND
CHECK FOR EOC
0409 E8 68 00 CALL 0474 ;CLEAR LCD
040C B3 80 MOV BL,80H ;SELECT LCD LOCATION
040E E8 69 00 CALL 047A ;SEND DATA TO LCD
0411 B0 01 CH2: MOV AL,01H ;SELECT CHANNEL A1
0413 E8 4300 CALL 0459
0416 B3 85 MOV BL,85H ;SELECT LCD LOCATION
0418 E8 5F 00 CALL 047A
041B B0 02 CH3: MOV AL,02H ;SELECT CHANNEL A2
041D E8 39 00 CALL 0459
041D B3 8A MOV BL,8AH ;SELECT LCD LOCATION
0422 E8 55 00 CALL 047A
0425 B0 03 CH4: MOV AL,03H ;SELECT CHANNEL A3
0427 E8 2F 00 CALL 0459
042A B3 8F MOV BL,8FH ;SELECT LCD LOCATION
042C E8 4B 00 CALL 047A
042F B0 04 CH5: MOV AL,04H ;SELECT CHANNEL A4
0431 E8 25 00 CALL 0459
0434 B3 C0 MOV BL,0C0H ;SELECT LCD LOCATION
0436 E8 41 00 CALL 047A
0439 B0 05 CH6: MOV AL,05H ;SELECT CHANNEL A5
043B E8 1B 00 CALL 0459
043E B3 C5 MOV BL,0C5H ;SELECT LCD LOCATION
0440 E8 37 00 CALL 047A
0443 B0 06 CH7: MOV AL,06H ;SELECT CHANNEL A6
0445 E8 1100 CALL 0459
0448 B3 CA MOV BL,0CAH ;SELECT LCD LOCATION
044A E8 2D 00 CALL 047A
044D B0 07 CH8: MOV AL,07H ;SELECT CHANNEL A7
044F E8 07 00 CALL 0459
0452 B3 CF MOV BL,0CFH ;SELECT LCD LOCATION
0454 E8 23 00 CALL 047A
0457 EB AB JMP 0404
0459 E672 ATD: OUT 72H,AL ;OUT AT PORT-B
045B B0 00 MOV AL,00H ;GIVE SOC & ALE PULSE AS 0
045D E6 74 OUT 74H,AL ;OUT AT PORT-C
045F B0 03 MOV AL,03H ;GIVE SOC & ALE PULSE AS 1
0461 E6 74 OUT 74H,AL ;OUT AT PORT-C
0463 B0 00 MOV AL,00H ;GIVE SOC & ALE PULSE AS 0
0465 E6 74 OUT 74H,AL ;OUT AT PORT-C
0467 E4 74 EOC1: IN AL,74H ;READ EOC FROM PORT-C