Uploaded_9_1_2023

Author: MicroCoreLabs

MCLZ8/Code/Standard_Z80/MCLZ8.ino

@@ -22,6 +22,8 @@
 // Updated to only use M1 cycles for opcode fetches and not for subsequent bytes.
 // Also fixed M1 signal which never was asserted low.
 //
+// Revision 2 1/28/2023
+// Updated decode_table_0xCB to fetch_byte rather than fetch_opcode so R does not increase
 //
 //------------------------------------------------------------------------
 //
@@ -2198,7 +2200,8 @@ void decode_table_0xCB()  {
 
 
     if ( (prefix_dd==1) || (prefix_fd==1)  )  { 
-        cb_prefix_offset = Fetch_opcode();
+        //cb_prefix_offset = Fetch_opcode();
+        cb_prefix_offset = Fetch_byte();
         opcode_byte      = Fetch_opcode();
         CB_opcode = opcode_byte;
     }

MCLZ8/Code/TRS80_Emulator/MCLZ8.ino

@@ -18,6 +18,8 @@
 // Revision 1 5/25/2022
 // Initial revision
 //
+// Revision 2 9/1/2023
+// Updated decode_table_0xCB to fetch_byte rather than fetch_opcode so R does not increase
 //
 //------------------------------------------------------------------------
 //
@@ -1999,7 +2001,8 @@ void decode_table_0xCB()  {
 
 
     if ( (prefix_dd==1) || (prefix_fd==1)  )  { 
-        cb_prefix_offset = Fetch_opcode();
+        //cb_prefix_offset = Fetch_opcode();
+        cb_prefix_offset = Fetch_byte();
         opcode_byte      = Fetch_opcode();
         CB_opcode = opcode_byte;
     }