SPRUJ53B April 2024 – September 2024 TMS320F28P550SJ , TMS320F28P559SJ-Q1
No Operation
none | This instruction does not have any operands |
LSW: 0000 0000 0000 0000
MSW: 0111 1111 1010 0000
Do nothing. This instruction is used to fill required pipeline delay slots when other instructions are not available to fill the slots.
This instruction does not modify flags in the MSTF register.
Flag | TF | ZF | NF | LUF | LVF |
---|---|---|---|---|---|
Modified | No | No | No | No | No |
This is a single-cycle instruction.
; X is an array of 32-bit floating-point values
; Find the maximum value in an array X
; and store the value in Result
;
_Cla1Task1:
MMOVI16 MAR1,#_X ; Start address
MUI16TOF32 MR0, @_len ; Length of the array
MNOP ; delay for MAR1 load
MNOP ; delay for MAR1 load
MMOV32 MR1, *MAR1[2]++ ; MR1 = X0
LOOP
MMOV32 MR2, *MAR1[2]++ ; MR2 = next element
MMAXF32 MR1, MR2 ; MR1 = MAX(MR1, MR2)
MADDF32 MR0, MR0, #-1.0 ; Decrememt the counter
MCMPF32 MR0 #0.0 ; Set/clear flags for MBCNDD
MNOP ; Too late to affect MBCNDD
MNOP ; Too late to affect MBCNDD
MNOP ; Too late to affect MBCNDD
MBCNDD LOOP, NEQ ; Branch if not equal to zero
MMOV32 @_Result, MR1 ; Always executed
MNOP ; Pad to seperate MBCNDD and MSTOP
MNOP ; Pad to seperate MBCNDD and MSTOP
MSTOP ; End of task