From d336f06a0618f7d4290adae5d5ba69610fe8435e Mon Sep 17 00:00:00 2001
From: Jonathan Campbell <jonathan@castus.tv>
Date: Mon, 24 Aug 2020 12:19:11 -0700
Subject: [PATCH] more

---
 doc-collection/opcodes/x86/8086.dop | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/doc-collection/opcodes/x86/8086.dop b/doc-collection/opcodes/x86/8086.dop
index b917ee4d8..48835844b 100644
--- a/doc-collection/opcodes/x86/8086.dop
+++ b/doc-collection/opcodes/x86/8086.dop
@@ -749,3 +749,22 @@ opcode sequence(0xD1 mrm) where reg == 7 name "SAR" { common opcode "SAR" param(
 opcode sequence(0xD2 mrm) where reg == 7 name "SAR" { common opcode "SAR" param(rmb,cl); }
 opcode sequence(0xD3 mrm) where reg == 7 name "SAR" { common opcode "SAR" param(rmw,cl); }
 
+opcode sequence(0xD4 immb) name "AAM" {
+    modifies flags(SF,ZF,PF,OF,AF,CF);
+
+    /* tmp = al */
+    /* ah = tmp / immb */
+    /* al = tmp % immb */
+    output ah, al;
+    input al;
+}
+
+opcode sequence(0xD5 immb) name "AAD" {
+    modifies flags(SF,ZF,PF,OF,AF,CF);
+
+    /* al = (al + (ah * immb)) & 0xFF */
+    /* ah = 0 */
+    output ah, al;
+    input ah, al;
+}
+