| ??? 02/22/11 07:40 Read: times |
#181231 - Assembly program for blink and push button Responding to: ???'s previous message |
please try this program.
edit it according to your compiler instruction set. logic and flow will remain same. ;********** ;* blink logic ;********* start: mov A, p3 ; to read value of port ORL A, 0010 0000 B ; this to set p3.5 ( b is for binary can put this as hex ) ANL A, 0111 1111 B ; this to clear p3.7 mov P3, A ; send data to port acall delay mov A, p3 ; to read value of port ORL A, 1000 0000 B ; this to set p3.7 ANL A, 1101 1111 B ; this to clear p3.5 mov P3, A ; send data to port acall delay ajump start ;********************** ; delay and switch logic ;*********************** delay: mov R7, #0Fh outloop1: mov R6, #0Fh midloop1: mov R5, #0FFh inloop1: mov A,P3 JB acc.2, skip ; button not pressed then jump setb p3.6 ; button pressed sjmp inloop1 skip: clr p3.6 ; always clear p3.6 djnz R5, inloop1 djnz R6, midloop1 djnz R7, outloop1 ret ;end program |
| Topic | Author | Date |
| Help needed please for Polling a switch! | 01/01/70 00:00 | |
| It's the #pragma asm again | 01/01/70 00:00 | |
| why use assembler for assembler? | 01/01/70 00:00 | |
| Other than using a Compiler | 01/01/70 00:00 | |
| Assembly program for blink and push button | 01/01/70 00:00 | |
I doubt he's (still) listening | 01/01/70 00:00 |