ภาษานี้ ใช้แอสแซมบี้ไหม แล้วมันเป็นค่ำสั่งอย่างไร

ORG   0000H

      SECOND   EQU   40H
      MINUTE   EQU   41H
      HOUR   EQU   42H

         LJMP   SETTIME

         ORG   000BH

         MOV   01H,A
         DJNZ   R7,OUT
         MOV   R7,#20
         INC   SECOND
         MOV   A,SECOND
         CJNE   A,#3CH,OUT
         MOV   SECOND,#00H
         INC   MINUTE
         MOV   A,MINUTE
         CJNE   A,#3CH,OUT
         MOV   MINUTE,#00H
         INC   HOUR
         MOV   A,HOUR
         CJNE   A,#0CH,OUT
         MOV   HOUR,#00H
OUT:         MOV   A,01H
         RETI


         ORG   0043H

SETTIME:      MOV   SECOND,#0
         MOV   MINUTE,#0
         MOV   HOUR,#9

COUNT:         MOV   R7,#20
         MOV   TMOD,#01H
         MOV   TH0,#2CH
         MOV   TL0,#0B0H
         SETB   TR0
         MOV   IE,#82H

START:         MOV   P0,#0FEH
         MOV   P1,#00H
         MOV   P3,#00H
         MOV   P2,#0FFH

CHECK_SW:      MOV   A,P2
         CJNE   A,#0FFH,CHECK_SW

S0:         MOV   A,SECOND
         CJNE   A,#00H,S1
         MOV   P1,#0FFH
         MOV   P3,#0FFH
         LCALL   DELAY_DSP
         MOV   P1,#00H
         MOV   P3,#00H
         JMP   M0
S1:         MOV   A,SECOND
         CJNE   A,#01H,S2
         MOV   R2,#1
         JMP   DSP_S
S2:         MOV   A,SECOND
         CJNE   A,#02H,S3
         MOV   R2,#2
         JMP   DSP_S
S3:         MOV   A,SECOND
         CJNE   A,#03H,S4
         MOV   R2,#3
         JMP   DSP_S
S4:         MOV   A,SECOND
         CJNE   A,#04H,S5
         MOV   R2,#5
         JMP   DSP_S
S5:         MOV   A,SECOND
         CJNE   A,#05H,S6
         MOV   R2,#6
         JMP   DSP_S
S6:         MOV   A,SECOND
         CJNE   A,#06H,S7
         MOV   R2,#7
         JMP   DSP_S
S7:         MOV   A,SECOND
         CJNE   A,#07H,S8
         MOV   R2,#8
         JMP   DSP_S
S8:         MOV   A,SECOND
         CJNE   A,#08H,S9
         MOV   R2,#9
         JMP   DSP_S
S9:         MOV   A,SECOND
         CJNE   A,#09H,S10
         MOV   R2,#10
         JMP   DSP_S
S10:         MOV   A,SECOND
         CJNE   A,#0AH,S11
         MOV   R2,#11
         JMP   DSP_S
S11:         MOV   A,SECOND
         CJNE   A,#0BH,S12
         MOV   R2,#12
         JMP   DSP_S
S12:         MOV   A,SECOND
         CJNE   A,#0CH,S13
         MOV   R2,#13
         JMP   DSP_S
S13:         MOV   A,SECOND
         CJNE   A,#0DH,S14
         MOV   R2,#14
         JMP   DSP_S
S14:         MOV   A,SECOND
         CJNE   A,#0EH,S15
         MOV   R2,#15
         JMP   DSP_S
S15:         MOV   A,SECOND
         CJNE   A,#0FH,S16
         MOV   R2,#16
         JMP   DSP_S
S16:         MOV   A,SECOND
         CJNE   A,#10H,S17
         MOV   R2,#17
         JMP   DSP_S
S17:         MOV   A,SECOND
         CJNE   A,#11H,S18
         MOV   R2,#19
         JMP   DSP_S
S18:         MOV   A,SECOND
         CJNE   A,#12H,S19
         MOV   R2,#21
         JMP   DSP_S
S19:         MOV   A,SECOND
         CJNE   A,#13H,S20
         MOV   R2,#22
         JMP   DSP_S
S20:         MOV   A,SECOND
         CJNE   A,#14H,S21
         MOV   R2,#23
         JMP   DSP_S
S21:         MOV   A,SECOND
         CJNE   A,#15H,S22
         MOV   R2,#24
         JMP   DSP_S
S22:         MOV   A,SECOND
         CJNE   A,#16H,S23
         MOV   R2,#25
         JMP   DSP_S
S23:         MOV   A,SECOND
         CJNE   A,#17H,S24
         MOV   R2,#26
         JMP   DSP_S
S24:         MOV   A,SECOND
         CJNE   A,#18H,S25
         MOV   R2,#27
         JMP   DSP_S
S25:         MOV   A,SECOND
         CJNE   A,#19H,S26
         MOV   R2,#28
         JMP   DSP_S
S26:         MOV   A,SECOND
         CJNE   A,#1AH,S27
         MOV   R2,#29
         JMP   DSP_S
S27:         MOV   A,SECOND
         CJNE   A,#1BH,S28
         MOV   R2,#30
         JMP   DSP_S
S28:         MOV   A,SECOND
         CJNE   A,#1CH,S29
         MOV   R2,#31
         JMP   DSP_S
S29:         MOV   A,SECOND
         CJNE   A,#1DH,S30
         MOV   R2,#32
         JMP   DSP_S
S30:         MOV   A,SECOND
         CJNE   A,#1EH,S31
         MOV   R2,#33
         JMP   DSP_S
S31:         MOV   A,SECOND
         CJNE   A,#1FH,S32
         MOV   R2,#34
         JMP   DSP_S
S32:         MOV   A,SECOND
         CJNE   A,#20H,S33
         MOV   R2,#35
         JMP   DSP_S
S33:         MOV   A,SECOND
         CJNE   A,#21H,S34
         MOV   R2,#36
         JMP   DSP_S
S34:         MOV   A,SECOND
         CJNE   A,#22H,S35
         MOV   R2,#37
         JMP   DSP_S
S35:         MOV   A,SECOND
         CJNE   A,#23H,S36
         MOV   R2,#38
         JMP   DSP_S
S36:         MOV   A,SECOND
         CJNE   A,#24H,S37
         MOV   R2,#39
         JMP   DSP_S
S37:         MOV   A,SECOND
         CJNE   A,#25H,S38
         MOV   R2,#40
         JMP   DSP_S
S38:         MOV   A,SECOND
         CJNE   A,#26H,S39
         MOV   R2,#42
         JMP   DSP_S
S39:         MOV   A,SECOND
         CJNE   A,#27H,S40
         MOV   R2,#43
         JMP   DSP_S
S40:         MOV   A,SECOND
         CJNE   A,#28H,S41
         MOV   R2,#45
         JMP   DSP_S
S41:         MOV   A,SECOND
         CJNE   A,#29H,S42
         MOV   R2,#46
         JMP   DSP_S
S42:         MOV   A,SECOND
         CJNE   A,#2AH,S43
         MOV   R2,#47
         JMP   DSP_S
S43:         MOV   A,SECOND
         CJNE   A,#2BH,S44
         MOV   R2,#48
         JMP   DSP_S
S44:         MOV   A,SECOND
         CJNE   A,#2CH,S45
         MOV   R2,#49
         JMP   DSP_S
S45:         MOV   A,SECOND
         CJNE   A,#2DH,S46
         MOV   R2,#51
         JMP   DSP_S
S46:         MOV   A,SECOND
         CJNE   A,#2EH,S47
         MOV   R2,#52
         JMP   DSP_S
S47:         MOV   A,SECOND
         CJNE   A,#2FH,S48
         MOV   R2,#53
         JMP   DSP_S
S48:         MOV   A,SECOND
         CJNE   A,#30H,S49
         MOV   R2,#54
         JMP   DSP_S
S49:         MOV   A,SECOND
         CJNE   A,#31H,S50
         MOV   R2,#55
         JMP   DSP_S
S50:         MOV   A,SECOND
         CJNE   A,#32H,S51
         MOV   R2,#56
         JMP   DSP_S
S51:         MOV   A,SECOND
         CJNE   A,#33H,S52
         MOV   R2,#57
         JMP   DSP_S
S52:         MOV   A,SECOND
         CJNE   A,#34H,S53
         MOV   R2,#59
         JMP   DSP_S
S53:         MOV   A,SECOND
         CJNE   A,#35H,S54
         MOV   R2,#60
         JMP   DSP_S
S54:         MOV   A,SECOND
         CJNE   A,#36H,S55
         MOV   R2,#61
         JMP   DSP_S
S55:         MOV   A,SECOND
         CJNE   A,#37H,S56
         MOV   R2,#62
         JMP   DSP_S
S56:         MOV   A,SECOND
         CJNE   A,#38H,S57
         MOV   R2,#63
         JMP   DSP_S
S57:         MOV   A,SECOND
         CJNE   A,#39H,S58
         MOV   R2,#64
         JMP   DSP_S
S58:         MOV   A,SECOND
         CJNE   A,#3AH,S59
         MOV   R2,#65
         JMP   DSP_S
S59:         MOV   A,SECOND
         MOV   R2,#66


DSP_S:         LCALL   DELAY
         MOV   P1,#0FFH
         MOV   P3,#7FH
         LCALL   DELAY_DSP
         MOV   P1,#00H
         MOV   P3,#00H
         JMP   M0

M0:         MOV   A,P2
         CJNE   A,#0FFH,M0
         MOV   A,MINUTE
         CJNE   A,#00H,M1
         MOV   P1,#0FFH
         MOV   P3,#0FFH
         LCALL   DELAY_DSP
         MOV   P1,#00H
         MOV   P3,#00H
         JMP   H0
M1:         MOV   A,MINUTE
         CJNE   A,#01H,M2
         MOV   R2,#1
         JMP   DSP_M
M2:         MOV   A,MINUTE
         CJNE   A,#02H,M3
         MOV   R2,#2
         JMP   DSP_M
M3:         MOV   A,MINUTE
         CJNE   A,#03H,M4
         MOV   R2,#3
         JMP   DSP_M
M4:         MOV   A,MINUTE
         CJNE   A,#04H,M5
         MOV   R2,#5
         JMP   DSP_M
M5:         MOV   A,MINUTE
         CJNE   A,#06H,M6
         MOV   R2,#6
         JMP   DSP_M
M6:         MOV   A,MINUTE
         CJNE   A,#06H,M7
         MOV   R2,#7
         JMP   DSP_M
M7:         MOV   A,MINUTE
         CJNE   A,#07H,M8
         MOV   R2,#8
         JMP   DSP_M
M8:         MOV   A,MINUTE
         CJNE   A,#08H,M9
         MOV   R2,#9
         JMP   DSP_M
M9:         MOV   A,MINUTE
         CJNE   A,#09H,M10
         MOV   R2,#10
         JMP   DSP_M
M10:         MOV   A,MINUTE
         CJNE   A,#0AH,M11
         MOV   R2,#11
         JMP   DSP_M
M11:         MOV   A,MINUTE
         CJNE   A,#0BH,M12
         MOV   R2,#12
         JMP   DSP_M
M12:         MOV   A,MINUTE
         CJNE   A,#0CH,M13
         MOV   R2,#13
         JMP   DSP_M
M13:         MOV   A,MINUTE
         CJNE   A,#0DH,M14
         MOV   R2,#14
         JMP   DSP_M
M14:         MOV   A,MINUTE
         CJNE   A,#0EH,M15
         MOV   R2,#15
         JMP   DSP_M
M15:         MOV   A,MINUTE
         CJNE   A,#0FH,M16
         MOV   R2,#16
         JMP   DSP_M
M16:         MOV   A,MINUTE
         CJNE   A,#10H,M17
         MOV   R2,#17
         JMP   DSP_M
M17:         MOV   A,MINUTE
         CJNE   A,#11H,M18
         MOV   R2,#18
         JMP   DSP_M
M18:         MOV   A,MINUTE
         CJNE   A,#12H,M19
         MOV   R2,#19
         JMP   DSP_M
M19:         MOV   A,MINUTE
         CJNE   A,#13H,M20
         MOV   R2,#20
         JMP   DSP_M
M20:         MOV   A,MINUTE
         CJNE   A,#14H,M21
         MOV   R2,#21
         JMP   DSP_M
M21:         MOV   A,MINUTE
         CJNE   A,#15H,M22
         MOV   R2,#22
         JMP   DSP_M
M22:         MOV   A,MINUTE
         CJNE   A,#16H,M23
         MOV   R2,#23
         JMP   DSP_M
M23:         MOV   A,MINUTE
         CJNE   A,#17H,M24
         MOV   R2,#24
         JMP   DSP_M
M24:         MOV   A,MINUTE
         CJNE   A,#18H,M25
         MOV   R2,#26
         JMP   DSP_M
M25:         MOV   A,MINUTE
         CJNE   A,#19H,M26
         MOV   R2,#27
         JMP   DSP_M
M26:         MOV   A,MINUTE
         CJNE   A,#1AH,M27
         MOV   R2,#28
         JMP   DSP_M
M27:         MOV   A,MINUTE
         CJNE   A,#1BH,M28
         MOV   R2,#29
         JMP   DSP_M
M28:         MOV   A,MINUTE
         CJNE   A,#1CH,M29
         MOV   R2,#30
         JMP   DSP_M
M29:         MOV   A,MINUTE
         CJNE   A,#1DH,M30
         MOV   R2,#31
         JMP   DSP_M
M30:         MOV   A,MINUTE
         CJNE   A,#1EH,M31
         MOV   R2,#33
         JMP   DSP_M
M31:         MOV   A,MINUTE
         CJNE   A,#1FH,M32
         MOV   R2,#34
         JMP   DSP_M
M32:         MOV   A,MINUTE
         CJNE   A,#20H,M33
         MOV   R2,#35
         JMP   DSP_M
M33:         MOV   A,MINUTE
         CJNE   A,#21H,M34
         MOV   R2,#36
         JMP   DSP_M
M34:         MOV   A,MINUTE
         CJNE   A,#22H,M35
         MOV   R2,#37
         JMP   DSP_M
M35:         MOV   A,MINUTE
         CJNE   A,#23H,M36
         MOV   R2,#38
         JMP   DSP_M
M36:         MOV   A,MINUTE
         CJNE   A,#24H,M37
         MOV   R2,#39
         JMP   DSP_M
M37:         MOV   A,MINUTE
         CJNE   A,#25H,M38
         MOV   R2,#40
         JMP   DSP_M
M38:         MOV   A,MINUTE
         CJNE   A,#26H,M39
         MOV   R2,#41
         JMP   DSP_M
M39:         MOV   A,MINUTE
         CJNE   A,#27H,M40
         MOV   R2,#42
         JMP   DSP_M
M40:         MOV   A,MINUTE
         CJNE   A,#28H,M41
         MOV   R2,#44
         JMP   DSP_M
M41:         MOV   A,MINUTE
         CJNE   A,#29H,M42
         MOV   R2,#45
         JMP   DSP_M
M42:         MOV   A,MINUTE
         CJNE   A,#2AH,M43
         MOV   R2,#46
         JMP   DSP_M
M43:         MOV   A,MINUTE
         CJNE   A,#2BH,M44
         MOV   R2,#47
         JMP   DSP_M
M44:         MOV   A,MINUTE
         CJNE   A,#2CH,M45
         MOV   R2,#49
         JMP   DSP_M
M45:         MOV   A,MINUTE
         CJNE   A,#2DH,M46
         MOV   R2,#51
         JMP   DSP_M
M46:         MOV   A,MINUTE
         CJNE   A,#2EH,M47
         MOV   R2,#52
         JMP   DSP_M
M47:         MOV   A,MINUTE
         CJNE   A,#2FH,M48
         MOV   R2,#53
         JMP   DSP_M
M48:         MOV   A,MINUTE
         CJNE   A,#30H,M49
         MOV   R2,#54
         JMP   DSP_M
M49:         MOV   A,MINUTE
         CJNE   A,#31H,M50
         MOV   R2,#55
         JMP   DSP_M
M50:         MOV   A,MINUTE
         CJNE   A,#32H,M51
         MOV   R2,#56
         JMP   DSP_M
M51:         MOV   A,MINUTE
         CJNE   A,#33H,M52
         MOV   R2,#57
         JMP   DSP_M
M52:         MOV   A,MINUTE
         CJNE   A,#34H,M53
         MOV   R2,#58
         JMP   DSP_M
M53:         MOV   A,MINUTE
         CJNE   A,#35H,M54
         MOV   R2,#59
         JMP   DSP_M
M54:         MOV   A,MINUTE
         CJNE   A,#36H,M55
         MOV   R2,#61
         JMP   DSP_M
M55:         MOV   A,MINUTE
         CJNE   A,#37H,M56
         MOV   R2,#62
         JMP   DSP_M
M56:         MOV   A,MINUTE
         CJNE   A,#38H,M57
         MOV   R2,#63
         JMP   DSP_M
M57:         MOV   A,MINUTE
         CJNE   A,#39H,M58
         MOV   R2,#64
         JMP   DSP_M
M58:         MOV   A,MINUTE
         CJNE   A,#3AH,M59
         MOV   R2,#65
         JMP   DSP_M
M59:         MOV   A,MINUTE
         MOV   R2,#66

DSP_M:         LCALL   DELAY
         MOV   P1,#0FFH
         MOV   P3,#0FFH
         LCALL   DELAY_DSP
         MOV   P1,#00H
         MOV   P3,#00H

H0:         MOV   A,P2
         CJNE   A,#0FFH,H0
         MOV   A,HOUR
         CJNE   A,#00H,H1
         MOV   P1,#0FFH
         MOV   P3,#0FFH
         LCALL   DELAY_DSP
         MOV   P1,#00H
         MOV   P3,#00H
         JMP   CHECK_SW
H1:         MOV   A,HOUR
         CJNE   A,#01H,H2
         MOV   R2,#6
         JMP   DSP_H
H2:         MOV   A,HOUR
         CJNE   A,#02H,H3
         MOV   R2,#10
         JMP   DSP_H
H3:         MOV   A,HOUR
         CJNE   A,#03H,H4
         MOV   R2,#16
         JMP   DSP_H
H4:         MOV   A,HOUR
         CJNE   A,#04H,H5
         MOV   R2,#21
         JMP   DSP_H
H5:         MOV   A,HOUR
         CJNE   A,#05H,H6
         MOV   R2,#27
         JMP   DSP_H
H6:         MOV   A,HOUR
         CJNE   A,#06H,H7
         MOV   R2,#33
         JMP   DSP_H
H7:         MOV   A,HOUR
         CJNE   A,#07H,H8
         MOV   R2,#38
         JMP   DSP_H
H8:         MOV   A,HOUR
         CJNE   A,#08H,H9
         MOV   R2,#45
         JMP   DSP_H
H9:         MOV   A,HOUR
         CJNE   A,#09H,H10
         MOV   R2,#51
         JMP   DSP_H
H10:         MOV   A,HOUR
         CJNE   A,#0AH,H11
         MOV   R2,#56
         JMP   DSP_H
H11:         MOV   A,HOUR
         MOV   R2,#61

DSP_H:         LCALL   DELAY
         MOV   P1,#0FFH
         LCALL   DELAY_DSP
         MOV   P1,#00H
         JMP   CHECK_SW

DELAY_DSP:      MOV   R2,#1
DELAY_DSP1:      MOV   R3,#085H
DELAY_DSP2:      DJNZ   R3,DELAY_DSP2
         DJNZ   R2,DELAY_DSP1
         RET

DELAY:         MOV   R3,#0E5H
DELAY1:         NOP
         NOP
         DJNZ   R3,DELAY1
         DJNZ   R2,DELAY
         RET

         END