old_timer

old_timer has asked 9 questions and find answers to 487 problems.

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old_timer questions

compute results and mux or not
llvm optimizes with library functions
Preserving sreg in AVR interrupts
ARM prefetch workaround
More detail about new AVR instructions LAC, LAS, LAT and XCH

old_timer answers

Get the start of the previous instruction from an address
Programming NVIC on STM32 (without libraries)
Why does my Cortex-M4 assembly run slower than predicted?
How do labels execute in Assembly?
Aligned Vs. Unaligned Clarification
What is the value of segment registers in 8086?
ARM bare-metal multi-core core selection
ARM assembly: bad instruction 'ldrbcc'
If esp points to the top of the stack, where does ebp point to?
I am fascinated by hardware boards and coding directly with the hardware. I want to start? [closed]