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authorcrecher <crecher@crecher.net>2026-10-12 04:34:06 +0200
committercrecher <crecher@crecher.net>2026-10-12 04:34:06 +0200
commit2898f6c0f962035f03f410dbebbc868767d2e4bf (patch)
treecc8064a47eb23d2eb8ca56142883176c78d94476
parenta11062dc4c9ca081c7e9cbb8026886141932ea25 (diff)
downloadgones-2898f6c0f962035f03f410dbebbc868767d2e4bf.tar.gz
gones-2898f6c0f962035f03f410dbebbc868767d2e4bf.zip
cpu: add 4 missing NOPs
-rw-r--r--cpu/opcodes.go4
1 files changed, 4 insertions, 0 deletions
diff --git a/cpu/opcodes.go b/cpu/opcodes.go
index c4ac911..00b1563 100644
--- a/cpu/opcodes.go
+++ b/cpu/opcodes.go
@@ -214,6 +214,10 @@ func init() {
def(0xDA, "NOP", ModeImplied, 2, false, nopExec)
def(0xFA, "NOP", ModeImplied, 2, false, nopExec)
def(0x80, "NOP", ModeImmediate, 2, false, nopExec)
+ def(0x82, "NOP", ModeImmediate, 2, false, nopExec)
+ def(0x89, "NOP", ModeImmediate, 2, false, nopExec)
+ def(0xC2, "NOP", ModeImmediate, 2, false, nopExec)
+ def(0xE2, "NOP", ModeImmediate, 2, false, nopExec)
def(0x04, "NOP", ModeZeroPage, 3, false, nopExec)
def(0x44, "NOP", ModeZeroPage, 3, false, nopExec)
def(0x64, "NOP", ModeZeroPage, 3, false, nopExec)