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Home > Programmers Model > Registers > The THUMB state register set |
The THUMB state register set is a subset of the ARM state set. The programmer has direct access to:
eight general registers, (R0 – R7)
the Program Counter (PC)
a stack pointer register (SP)
a link register (LR)
the CPSR
There are banked Stack Pointers, Link Registers and Saved Process Status Registers (SPSRs) for each privileged mode. This is shown in Figure 3.4.