Timer/counter/External Interrupts code in ARM assembly

hi all,

I am on the learning stage of LPC2148 and I have done basic programs like interrupts ... ADC ... TIMER/COUNTER. But all the code I have written is in C Language.

Though I had written some basic progarams of LED in assembly but not the interrupt part.

Could any one here tell me what are the rules to write the assembly code for interrupts i.e. for FIQ, IRQ and NV IRQ.

If possible plz guide me with some source code.

I am using KEIL uvision 4.

Arvind Shrivastava

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