small 65C02 optimizations in many places

2019-10-10 19:45:40 +02:00
1 parent 3e5c80bbf1
commit ce8c84a20c
@@ -2,8 +2,7 @@

 basic_do_error:
 	// Save error number
-	txa
-	pha
+	_phx

 	// Print ? at start
 	jsr print_return
@@ -11,8 +10,7 @@ basic_do_error:
 	jsr JCHROUT

 	// Print main part of error message
-	pla
-	tax
+	_plx
 	jsr print_packed_message

 	// Print ERROR at end