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 | hello, I've been trying to interface 4x4 hex keypad with pic16f877a using MPLAB X and XC8 compiler. My task is to get 4 individual key presses from matrix keypad and convert it into a 4 digit integer and display the 4 digit integer on multiplexed common cathode seven segment display …  |
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| | org 00h using 1 jump equ r1 jump1 equ r5 mov r0,#0a1H mov r2,#0ah mov a,#6h jump: sub r2,a jump1: inc r0 jz jump cjne a,#00h,jump1 end assembling e06.asm... e06.asm(8): error A8: ATTEMPT TO DEFINE AN ALREADY DEFINED LABEL e06.asm(8): error A9: SYNTAX ERROR e06.asm(9): error A8: ATTEMPT TO DEFINE …  |
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