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Originally Posted by t vago
I can. My code does not use any sort of loop-based delay2() function, nor does it use any sort of microSeconds() function. When I attempted last night to completely remove the buffered feature, I had to add back in a delay2() and a microSeconds() and a microSecondsLength() function. That is what caused the bloat to occur.
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Mine uses delay_us (20 bytes) and delay_ms (48 bytes), which calls milliseconds (48 bytes). Now that i look at it, i will probably merge milliseconds() into delay_ms(), since it basically just returns the timer count, and it is only ever called by delay_ms. (Edit: so far, no good. It's "so efficient" that the compiler wants to inline the new delay_ticks everywhere, costing me 300 extra bytes)
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I'm strongly tempted to use the timer2 overflow interrupt handler to handle processing the LCD and serial buffers.
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I had assumed you were already doing something like that. It might be trivial to add another "event" chain to the handler, for each output.