lbzepx

Load Byte and Zero External Process ID Indexed

lbzepx RT, RA, RB

Loads a byte using the External PID (for OS kernels accessing user memory).

Details

The Load Byte and Zero External Process ID Indexed instruction loads a byte using the External PID (for OS kernels accessing user memory).

Pseudocode Operation

r3 <- Memory[address]

Example

lbzepx r3, r4, r5

Encoding

Binary Layout
31
0
RT
6
RA
11
RB
16
31
21
/
31
 
Format X-form
Opcode 0x7C00003E
Extension Embedded

Operands

  • RT
    Target
  • RA
    Base
  • RB
    Index