Texas Instruments TMS320C28x Reference Manual page 446

PUSH DP:ST1
SYNTAX OPTIONS
PUSH DP:ST1
Operands DP:ST1
Description
Flags and
Modes
Repeat
0111 0110 0000 1001
Data-page register and status register 1
Push the 16- bit contents of ST1 followed by the 16-bit contents of DP onto
the stack pointed to by SP.
Post-increment SP by 2:
[SP] = ST1;
[SP+1] = DP;
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 DP and ST1 Onto Stack
OPCODE OBJMODE
PUSH DP:ST1
RPT CYC
X − 1
6-289