Fix else.

1 files changed, 16 insertions, 1 deletions

diff --git a/rules.js b/rules.js
index 0aac4cc..d293e17 100644
--- a/rules.js
+++ b/rules.js
@@ -2068,7 +2068,22 @@ function vm_if() {
 }
 
 function vm_else() {
-	vm_goto(vm_endif, vm_if, 1, 1)
+	vm_jump(vm_endif, vm_if, 1, 1)
+}
+
+function vm_jump(op, nop, dir, step) {
+	let balance = 1
+	while (balance > 0) {
+		game.vm.ip += dir
+		if (vm_inst(0) === op)
+			--balance
+		if (vm_inst(0) === nop)
+			++balance
+		if (game.vm.ip < 0 || game.vm.ip > CODE[game.vm.fp].length)
+			throw "ERROR"
+	}
+	game.vm.ip += step
+	vm_exec()
 }
 
 function vm_endif() {