Texas Instruments TMS320C28x Reference Manual page 452

PUSH ST1
SYNTAX OPTIONS
PUSH ST1
Operands ST1
Description
Flags and
Modes
Repeat
0111 0110 0000 1000
Status register 1
Push the 16-bit contents of ST1 onto the stack pointed to by SP.
Post-increment SP by 1:
[SP] = ST1;
SP += 1;
None
This instruction is not repeatable. If this instruction follows the RPT
instruction, it resets the repeat counter (RPTC) and executes only once.
OPCODE OBJMODE
PUSH ST1
Push ST1 Onto Stack
RPT CYC
X − 1
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