ucsim-0.2.37-pre3 into cvs

[fw/sdcc] / sim / ucsim / s51.src / logic.cc

diff --git a/sim/ucsim/s51.src/logic.cc b/sim/ucsim/s51.src/logic.cc
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+++ b/sim/ucsim/s51.src/logic.cc
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+/*
+ * Simulator of microcontrollers (logic.cc)
+ *
+ * Copyright (C) 1999,99 Drotos Daniel, Talker Bt.
+ * 
+ * To contact author send email to drdani@mazsola.iit.uni-miskolc.hu
+ *
+ */
+
+/* This file is part of microcontroller simulator: ucsim.
+
+UCSIM is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
+
+UCSIM is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with UCSIM; see the file COPYING.  If not, write to the Free
+Software Foundation, 59 Temple Place - Suite 330, Boston, MA
+02111-1307, USA. */
+/*@1@*/
+
+#include "ddconfig.h"
+
+// prj
+#include "stypes.h"
+
+// local
+#include "uc51cl.h"
+#include "regs51.h"
+
+
+/*
+ * 0x42 2 12 ORL addr,A
+ *____________________________________________________________________________
+ *
+ */
+
+int
+t_uc51::inst_orl_addr_a(uchar code)
+{
+  uchar *addr;
+
+  addr= get_direct(fetch(), &event_at.wi, &event_at.ws);
+  (*addr)|= sfr->get(event_at.rs= ACC);
+  proc_write(addr);
+  return(resGO);
+}
+
+
+/*
+ * 0x43 3 24 ORL addr,#data
+ *____________________________________________________________________________
+ *
+ */
+
+int
+t_uc51::inst_orl_addr_$data(uchar code)
+{
+  uchar *addr;
+
+  addr= get_direct(fetch(), &event_at.wi, &event_at.ws);
+  (*addr)|= fetch();
+  proc_write(addr);
+  tick(1);
+  return(resGO);
+}
+
+
+/*
+ * 0x44 2 12 ORL A,#data
+ *____________________________________________________________________________
+ *
+ */
+
+int
+t_uc51::inst_orl_a_$data(uchar code)
+{
+  uchar d;
+
+  d= sfr->get(event_at.ws= ACC);
+  sfr->set(ACC, d|= fetch());
+  return(resGO);
+}
+
+
+/*
+ * 0x45 2 12 ORL A,addr
+ *____________________________________________________________________________
+ *
+ */
+
+int
+t_uc51::inst_orl_a_addr(uchar code)
+{
+  uchar *addr, d;
+
+  addr= get_direct(fetch(), &event_at.ri, &event_at.rs);
+  d= sfr->get(event_at.ws= ACC);
+  sfr->set(ACC, d|= read(addr));
+  return(resGO);
+}
+
+
+/*
+ * 0x46-0x47 1 12 ORL A,@Ri
+ *____________________________________________________________________________
+ *
+ */
+
+int
+t_uc51::inst_orl_a_$ri(uchar code)
+{
+  uchar *addr, d;
+  int res;
+
+  addr= get_indirect(event_at.ri= *(get_reg(code & 0x01)), &res);
+  d= sfr->get(event_at.ws= ACC);
+  sfr->set(ACC, d|= *addr);
+  return(res);
+}
+
+
+/*
+ * 0x48-0x4f 1 12 ORL A,Rn
+ *____________________________________________________________________________
+ *
+ */
+
+int
+t_uc51::inst_orl_a_rn(uchar code)
+{
+  uchar d;
+
+  d= sfr->get(event_at.ws= ACC);
+  sfr->set(ACC, d|= *(get_reg(code & 0x07, &event_at.ri)));
+  return(resGO);
+}
+
+
+/*
+ * 0x52 2 12 ANL addr,A
+ *____________________________________________________________________________
+ *
+ */
+
+int
+t_uc51::inst_anl_addr_a(uchar code)
+{
+  uchar *addr;
+
+  addr= get_direct(fetch(), &event_at.wi, &event_at.ws);
+  (*addr)&= sfr->get(event_at.rs= ACC);
+  proc_write(addr);
+  return(resGO);
+}
+
+
+/*
+ * 0x53 3 24 ANL addr,#data
+ *____________________________________________________________________________
+ *
+ */
+
+int
+t_uc51::inst_anl_addr_$data(uchar code)
+{
+  uchar *addr;
+
+  addr= get_direct(fetch(), &event_at.wi, &event_at.ws);
+  (*addr)&= fetch();
+  proc_write(addr);
+  tick(1);
+  return(resGO);
+}
+
+
+/*
+ * 0x54 2 12 ANL A,#data
+ *____________________________________________________________________________
+ *
+ */
+
+int
+t_uc51::inst_anl_a_$data(uchar code)
+{
+  uchar d;
+
+  d= sfr->get(event_at.ws= ACC);
+  sfr->set(ACC, d&= fetch());
+  return(resGO);
+}
+
+
+/*
+ * 0x55 2 12 ANL A,addr
+ *____________________________________________________________________________
+ *
+ */
+
+int
+t_uc51::inst_anl_a_addr(uchar code)
+{
+  uchar *addr, d;
+
+  addr= get_direct(fetch(), &event_at.ri, &event_at.rs);
+  d= sfr->get(event_at.ws= ACC);
+  sfr->set(ACC, d&= read(addr));
+  return(resGO);
+}
+
+
+/*
+ * 0x56-0x57 1 12 ANL A,@Ri
+ *____________________________________________________________________________
+ *
+ */
+
+int
+t_uc51::inst_anl_a_$ri(uchar code)
+{
+  uchar *addr, d;
+  int res;
+
+  addr= get_indirect(event_at.ri= *(get_reg(code & 0x01)), &res);
+  d= sfr->get(event_at.ws= ACC);
+  sfr->set(ACC, d&= *addr);
+  return(res);
+}
+
+
+/*
+ * 0x58-0x5f 1 12 ANL A,Rn
+ *____________________________________________________________________________
+ *
+ */
+
+int
+t_uc51::inst_anl_a_rn(uchar code)
+{
+  uchar d;
+
+  d= sfr->get(event_at.ws= ACC);
+  sfr->set(ACC, d&= *(get_reg(code & 0x07, &event_at.ri)));
+  return(resGO);
+}
+
+
+/*
+ * 0x62 2 12 XRL addr,A
+ *____________________________________________________________________________
+ *
+ */
+
+int
+t_uc51::inst_xrl_addr_a(uchar code)
+{
+  uchar *addr;
+
+  addr= get_direct(fetch(), &event_at.wi, &event_at.ws);
+  (*addr)^= sfr->get(event_at.rs= ACC);
+  proc_write(addr);
+  return(resGO);
+}
+
+
+/*
+ * 0x63 3 24 XRL addr,#data
+ *____________________________________________________________________________
+ *
+ */
+
+int
+t_uc51::inst_xrl_addr_$data(uchar code)
+{
+  uchar *addr;
+
+  addr= get_direct(fetch(), &event_at.wi, &event_at.ws);
+  (*addr)^= fetch();
+  proc_write(addr);
+  tick(1);
+  return(resGO);
+}
+
+
+/*
+ * 0x64 2 12 XRL A,#data
+ *____________________________________________________________________________
+ *
+ */
+
+int
+t_uc51::inst_xrl_a_$data(uchar code)
+{
+  uchar d;
+
+  d= sfr->get(event_at.ws= ACC);
+  sfr->set(ACC, d^= fetch());
+  return(resGO);
+}
+
+
+/*
+ * 0x65 2 12 XRL A,addr
+ *____________________________________________________________________________
+ *
+ */
+
+int
+t_uc51::inst_xrl_a_addr(uchar code)
+{
+  uchar d;
+
+  d= sfr->get(event_at.ws= ACC);
+  sfr->set(ACC, d^= read(get_direct(fetch(),
+                                   &event_at.ri,
+                                   &event_at.ri)));
+  return(resGO);
+}
+
+
+/*
+ * 0x66-0x67 1 12 XRL A,@Ri
+ *____________________________________________________________________________
+ *
+ */
+
+int
+t_uc51::inst_xrl_a_$ri(uchar code)
+{
+  uchar *addr, d;
+  int res;
+
+  addr= get_indirect(event_at.ri= *(get_reg(code & 0x01)), &res);
+  d= sfr->get(event_at.ws= ACC);
+  sfr->set(ACC, d^= *addr);
+  return(res);
+}
+
+
+/*
+ * 0x68-0x6f 1 12 XRL A,Rn
+ *____________________________________________________________________________
+ *
+ */
+
+int
+t_uc51::inst_xrl_a_rn(uchar code)
+{
+  uchar d;
+
+  d= sfr->get(event_at.ws= ACC);
+  sfr->set(ACC, d^= *(get_reg(code & 0x07, &event_at.ri)));
+  return(resGO);
+}
+
+
+/*
+ * 0xf4 1 12 CPL A
+ *____________________________________________________________________________
+ *
+ */
+
+int
+t_uc51::inst_cpl_a(uchar code)
+{
+  sfr->set(event_at.ws= ACC, ~(sfr->get(ACC)));
+  return(resGO);
+}
+
+
+/* End of s51.src/logic.cc */