Load Immediate - Analog Devices ADSP-BF53x Blackfin Reference

Load Immediate

General Form
register = constant
A1 = A0 = 0
Syntax
Half-Word Load
reg_lo = uimm16
address register (b) */
reg_hi = uimm16 ;
address register (b) */
Zero Extended
reg = uimm16 (Z) ;
address register (b) */
A0 = 0 ; /* Clear A0 register (b) */
A1 = 0 ; /* Clear A1 register (b) */
A1 = A0 = 0 ;
Sign Extended
Dreg = imm7 (X) ;
*/
Preg = imm7 (X)
(a) */
reg = imm16 (X)
address register (b) */
Syntax Terminology
:
Dreg R7–0
: , ,
Preg P5–0 SP
ADSP-BF53x/BF56x Blackfin Processor Programming Reference
; /* 16-bit value into low-half data or
/* 16-bit value into high-half data or
/* 16-bit value, zero-extended, into data or
/* Clear both A1 and A0 registers (b) */
/* 7-bit value, sign extended, into Dreg (a)
; /* 7-bit value, sign extended, into Preg
; /* 16-bit value, sign extended, into data or
FP
Load / Store
8-3