OpenCores
URL https://opencores.org/ocsvn/wb_z80/wb_z80/trunk

Subversion Repositories wb_z80

[/] [wb_z80/] [trunk/] [rtl/] [opcodes.v] - Diff between revs 10 and 25

Go to most recent revision | Show entire file | Details | Blame | View Log

Rev 10 Rev 25
Line 62... Line 62...
//    5  FDCBgrp   (indexed bit banging)
//    5  FDCBgrp   (indexed bit banging)
//
//
//
//
//-------1---------2---------3--------CVS Log -----------------------7---------8---------9--------0
//-------1---------2---------3--------CVS Log -----------------------7---------8---------9--------0
//
//
//  $Id: opcodes.v,v 1.1 2004-04-17 18:26:06 bporcella Exp $
//  $Id: opcodes.v,v 1.2 2004-05-18 22:31:20 bporcella Exp $
//
//
//  $Date: 2004-04-17 18:26:06 $
//  $Date: 2004-05-18 22:31:20 $
//  $Revision: 1.1 $
//  $Revision: 1.2 $
//  $Author: bporcella $
//  $Author: bporcella $
//  $Locker:  $
//  $Locker:  $
//  $State: Exp $
//  $State: Exp $
//
//
// Change History:
// Change History:
//      $Log: not supported by cvs2svn $
//      $Log: not supported by cvs2svn $
 
//      Revision 1.1  2004/04/17 18:26:06  bporcella
 
//      put this here to try an end-run around lint mikefile problem
 
//
//      Revision 1.1.1.1  2004/04/13 23:47:56  bporcella
//      Revision 1.1.1.1  2004/04/13 23:47:56  bporcella
//      import first files
//      import first files
//
//
//
//
//
//
Line 424... Line 427...
        ED_LDsREG_6NN7 =    8'b1001__1011, // compair with {ir[9:6],ir[3:0]}  REG = BC,DE,HL,SP
        ED_LDsREG_6NN7 =    8'b1001__1011, // compair with {ir[9:6],ir[3:0]}  REG = BC,DE,HL,SP
        ED_NEG         =    7'b1001___100, // compair with {ir[9:6],ir[2:0]}  all A<= -A                  
        ED_NEG         =    7'b1001___100, // compair with {ir[9:6],ir[2:0]}  all A<= -A                  
        ED_RETN        =    7'b1001___101, // compair with {ir[9:6],ir[2:0]} and !reti
        ED_RETN        =    7'b1001___101, // compair with {ir[9:6],ir[2:0]} and !reti
 
 
        DBL_REG_BC   = 2'b00,  // compair with ir[5:4]
        DBL_REG_BC   = 2'b00,  // compair with ir[5:4]
        DBL_REG_DE   = 2'b00,  // compair with ir[5:4]
        DBL_REG_DE   = 2'b01,  // compair with ir[5:4]
        DBL_REG_HL   = 2'b00,  // compair with ir[5:4]
        DBL_REG_HL   = 2'b10,  // compair with ir[5:4]
        DBL_REG_SP   = 2'b00,  // compair with ir[5:4]
        DBL_REG_SP   = 2'b11,  // compair with ir[5:4]
 
 
        REG8_B = 3'b000,
        REG8_B = 3'b000,
        REG8_C = 3'b001,
        REG8_C = 3'b001,
        REG8_D = 3'b010,
        REG8_D = 3'b010,
        REG8_E = 3'b011,
        REG8_E = 3'b011,

powered by: WebSVN 2.1.0

© copyright 1999-2025 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.