ecx was getting clobbered before the relevant temp value was used in some cases during memory reads

1 files changed, 6 insertions, 1 deletions

diff --git a/runtime.S b/runtime.S
index 5ffa06c..b117b77 100644
--- a/runtime.S
+++ b/runtime.S
@@ -153,7 +153,12 @@ cart:
 inccycles:
 	add $4, %rax
 	cmp %rbp, %rax
-	jge handle_cycle_limit
+	jge do_limit
+	ret
+do_limit:
+	push %rcx
+	call handle_cycle_limit
+	pop %rcx
 	ret
 	
 	.global m68k_read_long_scratch1