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DHTFINALV1.asm
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DHTFINALV1.asm
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JMP MAIN
.ORG 003CH
JMP ISR75
.ORG 0050
MAIN: LXI SP,FFFFH
CALL LCD_INIT
CALL DELAY_1 ; 1 sec delay
MVI A,C0H
SIM
CALL DELAY_20
MVI A,40H
SIM
CALL DELAY_20U
CALL DELAY_80
CALL DELAY_80
LXI H,8000H
EI
MVI A,28H
L3: JNZ L3
DI
LXI H,8000H
CALL DATA_GET
STA 9000H
CALL DATA_GET
STA 9001H
CALL DATA_GET
STA 9002H
CALL DATA_GET
STA 9003H
; BINARY TO BCD CONVERTION
LXI H,8000H
CALL DATA_GET
STA 9000H
CALL DATA_GET
STA 9001H
CALL DATA_GET
STA 9002H
CALL DATA_GET
STA 9003H
LDA 9000H
CPI 46H
JC NOFOG
JNC FOG
; BINARY TO BCD CONVERTION
LXI H,9000H
MOV A,M
CALL PWRTEN
;TEMP
MVI A,54H
CALL LCD_SEND
MVI A,45H
CALL LCD_SEND
MVI A,4DH
CALL LCD_SEND
MVI A,50H
CALL LCD_SEND
MVI A,3DH
CALL LCD_SEND
;
LXI H,A000H
MOV A,M
ADI 30H
CALL LCD_SEND
INX H
MOV A,M
ADI 30H
CALL LCD_SEND
INX H
;MOV A,M
;ADI 30H
;CALL LCD_SEND
;MVI A,20H
MVI A,43H
CALL LCD_SEND
MVI A,20H
CALL LCD_SEND
MVI A,20H
CALL LCD_SEND
LXI H,9002H
MOV A,M
CALL PWRTEN
MVI A,52H
CALL LCD_SEND
MVI A,48H
CALL LCD_SEND
MVI A,3DH
CALL LCD_SEND
LXI H,A000H
MOV A,M
ADI 30H
CALL LCD_SEND
INX H
MOV A,M
ADI 30H
CALL LCD_SEND
INX H
MVI A,25H
CALL LCD_SEND
HLT
FOG: PUSH PSW
MVI A,46H
CALL LCD_SEND
MVI A,4FH
CALL LCD_SEND
MVI A,47H
CALL LCD_SEND
MVI A,20H
CALL LCD_SEND
MVI A,44H
CALL LCD_SEND
MVI A,45H
CALL LCD_SEND
MVI A,54H
CALL LCD_SEND
MVI A,45H
CALL LCD_SEND
MVI A,43H
CALL LCD_SEND
MVI A,54H
CALL LCD_SEND
MVI A,45H
CALL LCD_SEND
MVI A,44H
CALL LCD_SEND
MVI A,20H
CALL LCD_SEND
MVI A,20H
CALL LCD_SEND
MVI A,20H
CALL LCD_SEND
POP PSW
RET
NOFOG: PUSH PSW
MVI A,4EH
CALL LCD_SEND
MVI A,4FH
CALL LCD_SEND
MVI A,20H
CALL LCD_SEND
MVI A,46H
CALL LCD_SEND
MVI A,4FH
CALL LCD_SEND
MVI A,47H
CALL LCD_SEND
MVI A,20H
CALL LCD_SEND
MVI A,44H
CALL LCD_SEND
MVI A,45H
CALL LCD_SEND
MVI A,54H
CALL LCD_SEND
MVI A,45H
CALL LCD_SEND
MVI A,43H
CALL LCD_SEND
MVI A,54H
CALL LCD_SEND
MVI A,45H
CALL LCD_SEND
MVI A,44H
CALL LCD_SEND
MVI A,20H
CALL LCD_SEND
POP PSW
RET
DELAY1S: PUSH PSW
PUSH B
MVI A,0AH
AGAIN: LXI B,2348H
LOOP1S: DCX B
MOV A,C
ORA B
JNZ LOOP1S
DCR A
JNZ AGAIN
POP B
POP PSW
RET
PWRTEN: LXI H,A000H
MVI B,64H
CALL BINBCD
MVI B,0AH
CALL BINBCD
MOV M,A
RET
BINBCD: MVI M,FFH
NXTBUF: INR M
SUB B
JNC NXTBUF
ADD B
INX H
RET
DATA_GET: MVI B,08H
MVI D,00H
L4: MOV A,D
MOV C,M
ORA C
RLC
INX H
DCR B
MOV D,A
MOV A,B
JNZ L4
MOV A,D
RET
DELAY_20: PUSH B
LXI B,681H
LOOP_20: DCX B
MOV A,B
ORA C
JNZ LOOP_20
POP B
RET
DELAY_20U: PUSH PSW
MVI A,01H
LOOP_20U: DCR A
JNZ LOOP_20U
POP PSW
RET
DELAY_1: PUSH B
PUSH D
MVI B,2EH
Loop1: MVI C,6AH
Loop2: MVI D,1CH
Loop3: DCR D
JNZ Loop3
DCR C
JNZ Loop2
DCR B
JNZ Loop1
POP D
POP B
RET
DELAY: PUSH PSW
MVI A,0FH
LOOP: DCR A
JNZ LOOP
POP PSW
RET
LCD_INIT : MVI A,24H
OUT 01H
MVI A,20H
OUT 01H
CALL DELAY
MVI A,24H
OUT 01H
MVI A,20H
OUT 01H
CALL DELAY
MVI A,84H
OUT 01H
MVI A,80H
OUT 01H
CALL DELAY
MVI A,04H
OUT 01H
MVI A,00H
OUT 01H
CALL DELAY
MVI A,E4H
OUT 01H
MVI A,E0H
OUT 01H
CALL DELAY
MVI A,04H
OUT 01H
MVI A,00H
OUT 01H
CALL DELAY
MVI A,64H
OUT 01H
MVI A,60H
OUT 01H
LCD_SEND: PUSH PSW
PUSH B
PUSH D
MOV B,A
ANI F0H
MVI D,0CH
ORA D
OUT 01H
CALL DELAY
ANI F8
OUT 01H
MOV A,B
RLC
RLC
RLC
RLC
ANI F0H
MVI D,0CH
ORA D
OUT 01H
CALL DELAY
ANI F8H
OUT 01H
POP D
POP B
POP PSW
RET
ISR75: PUSH PSW
PUSH B
MVI B,00H
ISR_L1: INR B
RIM
ANI 80H
JNZ ISR_L1
MOV A,B
CPI 03H
JC BIT_0
JNC BIT_1
INX H
POP B
POP PSW
DCR A
EI
RET
BIT_0 : PUSH PSW
MVI A,00H
MOV M,A
POP PSW
RET
BIT_1: PUSH PSW
MVI A,01H
MOV M,A
POP PSW
RET
DELAY_80: PUSH PSW
MVI B,0BH
DELAY_80Loop: DCR B
JNZ DELAY_80Loop
POP PSW
RET