Registers Reference

This contains all the different registers, including auto-registers. In total, there are 12 registers.

User-space registers

There are 8 user-space registers, each starting with the letter u. There is no difference between each register, they are all the exact same. Each register may only contain a numerical value, however there is no limit to the size of that value. Each user-space register is listed below:

u1
u2
u3
u4
u5
u6
u7
u8

Auto-registers

Auto-registers are registers that only macro-generated code can access. Each auto-register starts with the letter a. Trying to access an auto-register in user-space code will result in an error. There are only 4 auto-registers. Auto-registers may only contain a numerical value, however there is no limit to the size of that value. Each auto-register is list below:

a1
a2
a3
a4