1 files changed, 24 insertions, 0 deletions
diff --git a/main/command.go b/main/command.go
index 9403020..296ad69 100644
--- a/main/command.go
+++ b/main/command.go
@@ -107,6 +107,30 @@ func (cmd AppendXRegCommand) exec(state *ProgramState) {
 	state.xreg = append(state.xreg, state.value...)
 }
 
+type SwapYRegCommand struct {}
+func (cmd SwapYRegCommand) exec(state *ProgramState) {
+	v := state.value
+	state.value = state.yreg
+	state.yreg = v
+}
+
+type AppendYRegCommand struct {}
+func (cmd AppendYRegCommand) exec(state *ProgramState) {
+	state.yreg = append(state.yreg, state.value...)
+}
+
+type SwapZRegCommand struct {}
+func (cmd SwapZRegCommand) exec(state *ProgramState) {
+	v := state.value
+	state.value = state.zreg
+	state.zreg = v
+}
+
+type AppendZRegCommand struct {}
+func (cmd AppendZRegCommand) exec(state *ProgramState) {
+	state.zreg = append(state.zreg, state.value...)
+}
+
 type SwapPathCommand struct {}
 func (cmd SwapPathCommand) exec(state *ProgramState) {
 	v := state.value