Texas Instruments TMS320C28x Reference Manual page 249

EINT
EINT
SYNTAX OPTIONS
EINT
Operands
Description
Flags and INTM
Modes
Repeat
Example
; Make the operation "VarC = VarA + VarB" atomic:
6-92
Note: This instruction is an alias for the "CLRC mode" operation with the "mode" field = INTM.
None
Enable interrupts by clearing the INTM status bit.
This bit is cleared by the instruction to enable interrupts.
This instruction is not repeatable. If this instruction follows the RPT
instruction, it resets the repeat counter (RPTC) and executes only once.
DINT
MOVL ACC,@VarA
ADDL ACC,@VarB
MOVL @VarC,ACC
EINT
Enable Maskable Interrupts (Clear INTM Bit)
OPCODE
0010 1001 0001 0000
; Disable interrupts (INTM = 1)
; ACC = VarA
; ACC = ACC + VarB
; Store result into VarC
; Enable interrupts (INTM = 0)
OBJMODE RPT CYC
X − 2