Zero-page modes, including wrapping quirk
authorAlyssa Rosenzweig <alyssa@backtick.town>
Wed, 22 Jun 2016 19:07:22 +0000 (12:07 -0700)
committerAlyssa Rosenzweig <alyssa@backtick.town>
Wed, 22 Jun 2016 19:07:22 +0000 (12:07 -0700)
src/CPU/addressing/zeropage [new file with mode: 0644]
src/CPU/addressing/zeropage,X [new file with mode: 0644]
src/CPU/addressing/zeropage,Y [new file with mode: 0644]

diff --git a/src/CPU/addressing/zeropage b/src/CPU/addressing/zeropage
new file mode 100644 (file)
index 0000000..e2f3927
--- /dev/null
@@ -0,0 +1,2 @@
+mapper read PC+1
+mapper read M
diff --git a/src/CPU/addressing/zeropage,X b/src/CPU/addressing/zeropage,X
new file mode 100644 (file)
index 0000000..daf521d
--- /dev/null
@@ -0,0 +1,2 @@
+mapper read PC+1
+mapper read M + X mod 256
diff --git a/src/CPU/addressing/zeropage,Y b/src/CPU/addressing/zeropage,Y
new file mode 100644 (file)
index 0000000..5fb09d1
--- /dev/null
@@ -0,0 +1,2 @@
+mapper read PC+1
+mapper read M + Y mod 256
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