rtinputbyte(unsigned char d) +000000fa: d305 rcall +0x0305 relative call subroutine44: t_io_out;+000000fb: 98d1 cbi 0x1a,1 clear bit in i/o register45: for(i=8; i>0; i--)+000000fc: e048 ldi r20,0x08 load immediate+000000fd: c009 rjmp +0x0009 relative jump47: if(d & 0x01)+000000fe: ff00 sbrs r16,0 skip if bit in register set+000000ff: c002 rjmp
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