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authoriximeow <me@iximeow.net>2021-01-15 18:40:31 -0800
committeriximeow <me@iximeow.net>2021-01-15 18:41:16 -0800
commit6232e8b1daf7067cb2e8065687530d5f88ecb46d (patch)
tree864b839a32f0154579a6a4c79ca227045f1a202e /src/protected_mode
parentd8083b08dc987adeda73fb13298383c6cf519596 (diff)
support xchg AX/reg0.1.5
Diffstat (limited to 'src/protected_mode')
-rw-r--r--src/protected_mode/mod.rs11
1 files changed, 11 insertions, 0 deletions
diff --git a/src/protected_mode/mod.rs b/src/protected_mode/mod.rs
index 9327f64..6394de0 100644
--- a/src/protected_mode/mod.rs
+++ b/src/protected_mode/mod.rs
@@ -5933,6 +5933,17 @@ fn read_operands<T: Iterator<Item=u8>>(decoder: &InstDecoder, mut bytes_iter: T,
}
1 => {
// Zv_AX
+ let bank = if !instruction.prefixes.operand_size() {
+ RegisterBank::D
+ } else {
+ RegisterBank::W
+ };
+ instruction.modrm_rrr =
+ RegSpec::from_parts(0, bank);
+ instruction.operands[1] = OperandSpec::RegMMM;
+ instruction.modrm_mmm =
+ RegSpec::from_parts(reg, bank);
+ instruction.operand_count = 2;
}
2 => {
// these are Zb_Ib_R