Texas Instruments TMS320C28x Reference Manual page 450

PUSH RPC
SYNTAX OPTIONS
PUSH RPC
Operands RPC
Description
Flags and
Modes
Repeat
0000 0000 0000 0100
Return program counter register
Push the contents of the RPC register onto the stack pointed to by SP.
Post-increment SP by 2:
[SP] = RPC;
SP += 2;
None
This instruction is not repeatable. If this instruction follows the RPT
instruction, it resets the repeat counter (RPTC) and executes only once.
Push RPC Onto Stack
OPCODE OBJMODE
PUSH RPC
RPT CYC
X − 1
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