up and down counter using external interrupts

i want to make an assembly language program in 8051 which counts 0 to 9 ,incrementing after external interrupt0 and decrement after internal interrupt 1.
up and down counter using external interrupts

i want to make an assembly language program in 8051 which counts 0 to 9 ,incrementing after external interrupt0 and decrement after internal interrupt 1.
Stm32 Arm Assembly Timer interrupt

I'm trying to write the timer interrupt code I wrote in C (pa3 pin blinks at 10 ms intervals) with arm assembly language, but it doesn't work.I don't know exactly how to do the timer interrupt in assembly...
Stm32 Arm Assembly Timer interrupt

I'm trying to write the timer interrupt code I wrote in C (pa3 pin blinks at 10 ms intervals) with arm assembly language, but it doesn't work.I don't know exactly how to do the timer interrupt in assembly...
assembly code for lcd display with counter

hello frnds, i want the assembly language program to interface the lcd with at89c51(8051) visitor counter can anyone help