RT <- ([0] * (XLEN-8)) || MEM(EA, 1) # load from RA+D
RA <- EA # and update RA
```
+-----
+
+\newpage{}
+
+# Fixed-point Load with Post-Update
+
+Add the following additional Section to Fixed-Point Load Book I
+
+## Load Byte and Zero with Post-Update
+
+D-Form
+
+* lbzup RT,D(RA)
+
+Pseudo-code:
+
+ EA <- (RA)
+ RT <- ([0] * (XLEN-8)) || MEM(EA, 1)
+ RA <- (RA) + EXTS(D)
+
+Special Registers Altered:
+
+ None
+
+## Load Byte and Zero with Post-Update Indexed
+
+X-Form
+
+* lbzupx RT,RA,RB
+
+Pseudo-code:
+
+ EA <- (RA)
+ RT <- ([0] * (XLEN-8)) || MEM(EA, 1)
+ RA <- (RA) + (RB)
+
+Special Registers Altered:
+
+ None
+
+## Load Halfword and Zero with Post-Update
+
+D-Form
+
+* lhzup RT,D(RA)
+
+Pseudo-code:
+
+ EA <- (RA)
+ RT <- ([0] * (XLEN-16)) || MEM(EA, 2)
+ RA <- (RA) + EXTS(D)
+
+Special Registers Altered:
+
+ None
+
+## Load Halfword and Zero with Post-Update Indexed
+
+X-Form
+
+* lhzupx RT,RA,RB
+
+Pseudo-code:
+
+ EA <- (RA)
+ RT <- ([0] * (XLEN-16)) || MEM(EA, 2)
+ RA <- (RA) + (RB)
+
+Special Registers Altered:
+
+ None
+
+## Load Halfword Algebraic with Post-Update
+
+D-Form
+
+* lhaup RT,D(RA)
+
+Pseudo-code:
+
+ EA <- (RA)
+ RT <- EXTS(MEM(EA, 2))
+ RA <- (RA) + EXTS(D)
+
+Special Registers Altered:
+
+ None
+
+## Load Halfword Algebraic with Post-Update Indexed
+
+X-Form
+
+* lhaupx RT,RA,RB
+
+Pseudo-code:
+
+ EA <- (RA)
+ RT <- EXTS(MEM(EA, 2))
+ RA <- (RA) + (RB)
+
+Special Registers Altered:
+
+ None
+
+## Load Word and Zero with Post-Update
+
+D-Form
+
+* lwzup RT,D(RA)
+
+Pseudo-code:
+
+ EA <- (RA)
+ RT <- [0]*32 || MEM(EA, 4)
+ RA <- (RA) + EXTS(D)
+
+Special Registers Altered:
+
+ None
+
+## Load Word and Zero with Post-Update Indexed
+
+X-Form
+
+* lwzupx RT,RA,RB
+
+Pseudo-code:
+
+ EA <- (RA)
+ RT <- [0] * 32 || MEM(EA, 4)
+ RA <- (RA) + (RB)
+
+Special Registers Altered:
+
+ None
+
+## Load Word Algebraic with Post-Update Indexed
+
+X-Form
+
+* lwaupx RT,RA,RB
+
+Pseudo-code:
+
+ EA <- (RA)
+ RT <- EXTS(MEM(EA, 4))
+ RA <- (RA) + (RB)
+
+Special Registers Altered:
+
+ None
+
+## Load Doubleword with Post-Update Indexed
+
+DS-Form
+
+* ldup RT,DS(RA)
+
+Pseudo-code:
+
+ EA <- (RA)
+ RT <- MEM(EA, 8)
+ RA <- (RA) + EXTS(DS || 0b00)
+
+Special Registers Altered:
+
+ None
+
+## Load Doubleword with Post-Update Indexed
+
+X-Form
+
+* ldupx RT,RA,RB
+
+Pseudo-code:
+
+ EA <- (RA)
+ RT <- MEM(EA, 8)
+ RA <- (RA) + (RB)
+
+Special Registers Altered:
+
+ None
+
+-----
+
+\newpage{}
[[!tag opf_rfc]]