Multi (i) register techniques help, please.

[Matt Agajanian]

Thank you all for helping me with this. Yes, while stepping back from my question, I realise that I should develop programs keeping the I register’s fixed position in mind. Thus, the I register location is meant not to disrupt the contiguous memory registers’ sequential numbering.

That being said, I understand that, although the SR-52, TI-58/59 and others which allowed the user-selectable choice of I register usage, using a fixed-point I register locale has its benefits and encourages a structured program development for indirect addressing just as HP-65’s usage of a dedicated register for looping (for example) provides a fixed/dedicated memory locale for looping.