Motorola DSP96002 User Manual page 230

BRA
Operation:
PC+xx PC
PC+xxxx PC
PC+Rn PC
Description:
Program execution continues at location PC+displacement. The PC contains the address of the next in-
struction. The displacement is a 2's complement 32-bit integer that represents the relative distance from
the current PC to the destination PC. Short Displacement, Long Displacement and Address Register PC
Relative addressing modes may be used. The Short Displacement 15-bit data is sign extended to form
the PC relative displacement. See Section A.10 for restrictions.
CCR Condition Codes: Not affected.
ER Status Bits: Not affected.
IER Flags: Not affected.
Instruction Format:
31
0000 0011
Instruction Format:
31
0000 0011
Instruction Format:
31
0000 0011
Instruction Fields:
Rn - R0-R7
Long PC Relative Displacement - 32 bits
Short PC Relative Displacement - aaaaaaaaaaaaaaa (15 bits)
Timing: 6 + jx oscillator clock cycles
Memory: 1 + ea program words
A - 42
Branch Always
BRA label (short)
10aa aaaa
BRA label
0000 0000
PC RELATIVE DISPLACEMENT
BRA Rn
0000 001R
DSP96002 USER'S MANUAL
Assembler Syntax:
BRA label (short)
BRA label
BRA Rn
14 13
aa 11 1111
14 13
00 11 1111
14 13
11 1111
BRA
0
0aaa aaaa
0
0000 0000
0
0000 0000
MOTOROLA