From 5f93bdae259810c5aedb0457efeb06c64c00e11c Mon Sep 17 00:00:00 2001
From: Peter Evans <pevans@activecampaign.com>
Date: Sun, 21 Jan 2018 01:17:04 -0600
Subject: [PATCH] Try to match technical behavior described for JSR/RTS

---
 src/mos6502.exec.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/mos6502.exec.c b/src/mos6502.exec.c
index 14146a7..437558c 100644
--- a/src/mos6502.exec.c
+++ b/src/mos6502.exec.c
@@ -37,7 +37,7 @@ DEFINE_INST(jmp)
  */
 DEFINE_INST(jsr)
 {
-    vm_16bit pc3 = cpu->PC + 3;
+    vm_16bit pc3 = cpu->PC + 2;
 
     mos6502_push_stack(cpu, pc3 >> 8);
     mos6502_push_stack(cpu, pc3 & 0xff);
@@ -72,4 +72,5 @@ DEFINE_INST(rts)
 {
     cpu->PC = mos6502_pop_stack(cpu);
     cpu->PC |= mos6502_pop_stack(cpu) << 8;
+    cpu->PC++;
 }