old_timer

old_timer has asked 9 questions and find answers to 506 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

Different results between a 16-bit int machine and a 32-bit int machine in a subtraction
In embedded design, what is the actual overhead of using a linux os vs programming directly against the cpu? [closed]
Different clock cycles values for the same (repeated) code
Embedded System: which OS should I use?
Interpreting jump tables / branch tables
How does the processor differ between OpCodes and Data? [duplicate]
What is the difference between Instruction Set and Instruction Set Architecture (ISA)?
ARM Banked register
How to get STM32F446 running at 180 Mhz?
Windows based development for ARM processors