assembler
Sun Jan 20 2008, 01:23 pm
hi.I write an assembly program for AT89C51.how should i assemble it?help please
and please say where can i download assembler!!!i download some of them but i can't use it.thanks
and please say where can i download assembler!!!i download some of them but i can't use it.thanks
Sun Jan 20 2008, 01:52 pm
well this is one nice assembler n easy to use...
r u getting n error or do u want directions to use the assembler...
if getting errors=>
plz.. attatch ur code with ur next post if u cud...
r u getting n error or do u want directions to use the assembler...
if getting errors=>
plz.. attatch ur code with ur next post if u cud...
Sun Jan 20 2008, 01:56 pm
i hope you have got the assembler from the website itself.. they are in 8051 software download section.
whatever errors are.. post them here in forum..
whatever errors are.. post them here in forum..
Sun Jan 20 2008, 02:06 pm
ok thanks.but I couldn't assemble it at all!!!explain how to use.thanks
Sun Jan 20 2008, 02:15 pm
its a command line software..
to compile a file.. just type this in command prompt
a51 < name of file >
to compile a file.. just type this in command prompt
a51 < name of file >
Sun Jan 20 2008, 02:35 pm
i use it but i don't know it is true or not.can i say to u? i write it with my friend .star!!!star send it one time but.... 
Sun Jan 20 2008, 02:35 pm
ORG 00H
MOV P2,#00H
MOV P3,#00H
BEGIN:
CALL DELAY
MOV P1,#0FFH
MOV A,P1
CJNE A,#40,HIGHER
SETB P2.1
CALL MAIN_DISPLAY_COOLERON
JMP BEGIN
HIGHER:
JNC HIGH_40
MOV A,P1
CJNE A,#10,LOWER
SETB P3.1
CALL MAIN_DISPLAY_HEATHERON
CLR P2.1
JMP BEGIN
HIGH_40:
CALL DELAY
SETB P2.1
CALL MAIN_DISPLAY_COOLERON
CLR P3.1
JMP BEGIN
LOWER:
JC LOW_10
MOV P2,#00H
MOV P3,#00H
JMP BEGIN
LOW_10:
SETB P3.1
CALL MAIN_DISPLAY_HEATHERON
CLR P2.1
JMP BEGIN
DELAY:
MOV R7,#100D
WAIT:
MOV R6,#10D
AGAIN:
DEC R6
CJNE R6,#00,AGAIN
DEC R7
CJNE R7,#00,WAIT
RET
; SOURCE>
DEST CARRY IS 0
; SOURCE<DEST CARRY IS 1
MAIN_DISPLAY_COOLERON: CALL LCD_START
CALL DISPLAY_COOLERON
RET
MAIN_DISPLAY_HEATHERON: CALL LCD_START
CALL DISPLAY_COOLERON
RET
LCD_START: MOV A,#38H
CALL LCD_COMMAND
MOV A,#06H
CALL LCD_COMMAND
MOV A,#0FH
CALL LCD_COMMAND
RET
LCD_COMMAND: CALL LCD_READY
MOV P1,A
CLR P2.0
CLR P2.1
SETB P2.2
CLR P2.2
RET
LCD_READY: CLR P2.0
SETB P2.1
SETB P1.7
BACK: CLR P2.2
SETB P2.2
JB P1.7,BACK
RET
LCD_DISPLAY: CALL LCD_READY
MOV P1,A
SETB P2.0
CLR P2.1
SETB P2.2
CLR P2.2
RET
DISPLAY_COOLERON: MOV R0,17
; DISP_MASSAG:
MOV A,"C"
CALL LCD_DISPLAY
MOV A,"O"
CALL LCD_DISPLAY
MOV A,"O"
CALL LCD_DISPLAY
MOV A,"L"
CALL LCD_DISPLAY
MOV A,"E"
CALL LCD_DISPLAY
MOV A,"R"
CALL LCD_DISPLAY
MOV A,"O"
CALL LCD_DISPLAY
MOV A,"N"
CALL LCD_DISPLAY
CALL LCD_SHIFT
RET ;{DISPLAY_COOLERON}
DISPLAY_HEATHERON: MOV R0,17
; DISP_MASSAG:
MOV A,"H"
CALL LCD_DISPLAY
MOV A,"E"
CALL LCD_DISPLAY
MOV A,"A"
CALL LCD_DISPLAY
MOV A,"T"
CALL LCD_DISPLAY
MOV A,"H"
CALL LCD_DISPLAY
MOV A,"E"
CALL LCD_DISPLAY
MOV A,"R"
CALL LCD_DISPLAY
MOV A,"O"
CALL LCD_DISPLAY
MOV A,"N"
CALL LCD_DISPLAY
CALL LCD_SHIFT
RET ;{DISPLAY_HEATHERON}
LCD_SHIFT:
NEXT:
MOV A,#1CH
CALL LCD_COMMAND
DJNZ R0,NEXT
RET [ Edited Sun Jan 20 2008, 04:36 pm ]
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