SVSTATE.srcstep = new_srcstep
```
-v3.0B branch pseudocode:
+v3.0B branch pseudocode including LRu
```
if (mode_is_64bit) then M <- 0
if ¬BO[2] then CTR <- CTR - 1
ctr_ok <- BO[2] | ((CTR[M:63] != 0) ^ BO[3])
cond_ok <- BO[0] | ¬(CR[BI+32] ^ BO[1])
+lr_ok <- SVRMmode.LRu
if ctr_ok & cond_ok then
if AA then NIA <-iea EXTS(BD || 0b00)
else NIA <-iea CIA + EXTS(BD || 0b00)
-if LK then LR <-iea CIA + 4
+ lr_ok <- 0b1
+if LK & lr_ok then LR <-iea CIA + 4
```
# Example Shader code