RTI
authorAlyssa Rosenzweig <alyssa@backtick.town>
Thu, 23 Jun 2016 05:05:26 +0000 (22:05 -0700)
committerAlyssa Rosenzweig <alyssa@backtick.town>
Thu, 23 Jun 2016 05:05:26 +0000 (22:05 -0700)
src/CPU/instructions/RTI [new file with mode: 0644]

diff --git a/src/CPU/instructions/RTI b/src/CPU/instructions/RTI
new file mode 100644 (file)
index 0000000..108f32f
--- /dev/null
@@ -0,0 +1,8 @@
+IMPLIED
+PLP
+mapper read (257 + S)
+set S to (S + 1) mod 256
+set tmp to M
+mapper read (257 + S)
+set S to (S + 1) mod 256
+set PC to join tmp M
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