Changeset 182 for branches/virtualcpu4/UInstructionReader.pas

Timestamp:

Apr 13, 2019, 1:32:32 PM (7 years ago)

Author:

chronos

Message:

• Fixed: Allow to use multiple prefix instructions in row.

File:

• branches/virtualcpu4/UInstructionReader.pas (modified) (2 diffs)

branches/virtualcpu4/UInstructionReader.pas

@@ -14 +14 @@
   TInstructionReader = class
   protected
-    DataSizeLast: TBitWidth;
-    DataSizePrefix: TBitWidth;
-    AddrSizeLast: TBitWidth;
-    AddrSizePrefix: TBitWidth;
   public
     Cpu: TCpu;
     IP: Integer;
+    Prefix: Boolean;
     DataSize: TBitWidth;
+    DataSizeBase: TBitWidth;
     AddrSize: TBitWidth;
+    AddrSizeBase: TBitWidth;
     procedure Init;
     function Read8: Byte; inline;
@@ -39 +38 @@
 procedure TInstructionReader.Init;
 begin
-  DataSize := Cpu.DataSize;
-  AddrSize := Cpu.AddrSize;
+  DataSizeBase := Cpu.DataSizeBase;
+  DataSize := DataSizeBase;
+  AddrSizeBase := Cpu.AddrSizeBase;
+  AddrSize := AddrSizeBase;
 end;