sdcc-3.9.0 fork implementing GNU assembler syntax

This fork aims to provide better support for stm8-binutils

1 files changed, 415 insertions, 0 deletions

diff --git a/sim/ucsim/s51.src/logic.cc b/sim/ucsim/s51.src/logic.cc
new file mode 100644
index 0000000..afc7cf1
--- /dev/null
+++ b/sim/ucsim/s51.src/logic.cc
@@ -0,0 +1,415 @@
+/*
+ * 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
+cl_51core::instruction_42/*inst_orl_addr_a*/(t_mem/*uchar*/ code)
+{
+  class cl_memory_cell *cell;
+
+  cell= get_direct(fetch());
+  cell->write(cell->read(HW_PORT) | acc->read());
+  vc.rd++;//= 2;
+  vc.wr++;
+  return(resGO);
+}
+
+
+/*
+ * 0x43 3 24 ORL addr,#data
+ *____________________________________________________________________________
+ *
+ */
+
+int
+cl_51core::instruction_43/*inst_orl_addr_Sdata*/(t_mem/*uchar*/ code)
+{
+  class cl_memory_cell *cell;
+  int res= resGO;
+
+  cell= get_direct(fetch());
+  t_mem d= fetch();
+  cell->write(cell->read(HW_PORT) | d);
+  tick(1);
+  vc.rd++;
+  vc.wr++;
+  return(res);
+}
+
+
+/*
+ * 0x44 2 12 ORL A,#data
+ *____________________________________________________________________________
+ *
+ */
+
+int
+cl_51core::instruction_44/*inst_orl_a_Sdata*/(t_mem/*uchar*/ code)
+{
+  uchar d;
+
+  d= acc->read();
+  acc->write(d|= fetch());
+  //vc.rd++;
+  //vc.wr++;
+  return(resGO);
+}
+
+
+/*
+ * 0x45 2 12 ORL A,addr
+ *____________________________________________________________________________
+ *
+ */
+
+int
+cl_51core::instruction_45/*inst_orl_a_addr*/(t_mem/*uchar*/ code)
+{
+  t_mem d;
+  class cl_memory_cell *cell;
+
+  cell= get_direct(fetch());
+  d= acc->read();
+  acc->write(d|= cell->read());
+  vc.rd++;//= 2;
+  //vc.wr++;
+  return(resGO);
+}
+
+
+/*
+ * 0x46-0x47 1 12 ORL A,@Ri
+ *____________________________________________________________________________
+ *
+ */
+
+int
+cl_51core::instruction_46/*inst_orl_a_Sri*/(t_mem/*uchar*/ code)
+{
+  t_mem d;
+  class cl_memory_cell *cell;
+
+  cell= iram->get_cell(R[code & 0x01]->read());
+  d= acc->read();
+  acc->write(d|= cell->read());
+  vc.rd++;//= 3;
+  //vc.wr++;
+  return(resGO);
+}
+
+
+/*
+ * 0x48-0x4f 1 12 ORL A,Rn
+ *____________________________________________________________________________
+ *
+ */
+
+int
+cl_51core::instruction_48/*inst_orl_a_rn*/(t_mem/*uchar*/ code)
+{
+  t_mem d;
+
+  d= acc->read();
+  acc->write(d|= R[code & 0x07]->read());
+  //vc.rd+= 2;
+  //vc.wr++;
+  return(resGO);
+}
+
+
+/*
+ * 0x52 2 12 ANL addr,A
+ *____________________________________________________________________________
+ *
+ */
+
+int
+cl_51core::instruction_52/*inst_anl_addr_a*/(t_mem/*uchar*/ code)
+{
+  class cl_memory_cell *cell;
+  
+  cell= get_direct(fetch());
+  cell->write(cell->read(HW_PORT) & acc->read());
+  vc.rd++;//= 2;
+  vc.wr++;
+  return(resGO);
+}
+
+
+/*
+ * 0x53 3 24 ANL addr,#data
+ *____________________________________________________________________________
+ *
+ */
+
+int
+cl_51core::instruction_53/*inst_anl_addr_Sdata*/(t_mem/*uchar*/ code)
+{
+  class cl_memory_cell *cell;
+  t_mem d;
+
+  cell= get_direct(fetch());
+  d= fetch();
+  cell->write(cell->read(HW_PORT) & d);
+  tick(1);
+  vc.rd++;
+  vc.wr++;
+  return(resGO);
+}
+
+
+/*
+ * 0x54 2 12 ANL A,#data
+ *____________________________________________________________________________
+ *
+ */
+
+int
+cl_51core::instruction_54/*inst_anl_a_Sdata*/(t_mem/*uchar*/ code)
+{
+  uchar d;
+
+  d= acc->read();
+  acc->write(d & fetch());
+  //vc.rd++;
+  //vc.wr++;
+  return(resGO);
+}
+
+
+/*
+ * 0x55 2 12 ANL A,addr
+ *____________________________________________________________________________
+ *
+ */
+
+int
+cl_51core::instruction_55/*inst_anl_a_addr*/(t_mem/*uchar*/ code)
+{
+  t_mem d;
+  class cl_memory_cell *cell;
+
+  cell= get_direct(fetch());
+  d= acc->read();
+  acc->write(d & cell->read());
+  vc.rd++;//= 2;
+  //vc.wr++;
+  return(resGO);
+}
+
+
+/*
+ * 0x56-0x57 1 12 ANL A,@Ri
+ *____________________________________________________________________________
+ *
+ */
+
+int
+cl_51core::instruction_56/*inst_anl_a_Sri*/(t_mem/*uchar*/ code)
+{
+  t_mem d;
+  class cl_memory_cell *cell;
+
+  cell= iram->get_cell(R[code & 0x01]->read());
+  d= acc->read();
+  acc->write(d & cell->read());
+  vc.rd++;//= 3;
+  //vc.wr++;
+  return(resGO);
+}
+
+
+/*
+ * 0x58-0x5f 1 12 ANL A,Rn
+ *____________________________________________________________________________
+ *
+ */
+
+int
+cl_51core::instruction_58/*inst_anl_a_rn*/(t_mem/*uchar*/ code)
+{
+  uchar d;
+
+  d= acc->read();
+  acc->write(d & R[code & 0x07]->read());
+  //vc.rd+= 2;
+  //vc.wr++;
+  return(resGO);
+}
+
+
+/*
+ * 0x62 2 12 XRL addr,A
+ *____________________________________________________________________________
+ *
+ */
+
+int
+cl_51core::instruction_62/*inst_xrl_addr_a*/(t_mem/*uchar*/ code)
+{
+  class cl_memory_cell *cell;
+
+  cell= get_direct(fetch());
+  cell->write(cell->read(HW_PORT) ^ acc->read());
+  vc.rd++;//= 2;
+  vc.wr++;
+  return(resGO);
+}
+
+
+/*
+ * 0x63 3 24 XRL addr,#data
+ *____________________________________________________________________________
+ *
+ */
+
+int
+cl_51core::instruction_63/*inst_xrl_addr_Sdata*/(t_mem/*uchar*/ code)
+{
+  class cl_memory_cell *cell;
+
+  cell= get_direct(fetch());
+  cell->write(cell->read(HW_PORT) ^ fetch());
+  tick(1);
+  vc.rd++;
+  vc.wr++;
+  return(resGO);
+}
+
+
+/*
+ * 0x64 2 12 XRL A,#data
+ *____________________________________________________________________________
+ *
+ */
+
+int
+cl_51core::instruction_64/*inst_xrl_a_Sdata*/(t_mem/*uchar*/ code)
+{
+  uchar d;
+
+  d= acc->read();
+  acc->write(d ^ fetch());
+  //vc.rd++;
+  //vc.wr++;
+  return(resGO);
+}
+
+
+/*
+ * 0x65 2 12 XRL A,addr
+ *____________________________________________________________________________
+ *
+ */
+
+int
+cl_51core::instruction_65/*inst_xrl_a_addr*/(t_mem/*uchar*/ code)
+{
+  t_mem d;
+  class cl_memory_cell *cell;
+
+  cell= get_direct(fetch());
+  d= acc->read();
+  acc->write(d ^ cell->read());
+  vc.rd++;//= 2;
+  //vc.wr++;
+  return(resGO);
+}
+
+
+/*
+ * 0x66-0x67 1 12 XRL A,@Ri
+ *____________________________________________________________________________
+ *
+ */
+
+int
+cl_51core::instruction_66/*inst_xrl_a_Sri*/(t_mem/*uchar*/ code)
+{
+  t_mem d;
+  class cl_memory_cell *cell;
+
+  cell= iram->get_cell(R[code & 0x01]->read());
+  d= acc->read();
+  acc->write(d ^ cell->read());
+  vc.rd++;//= 3;
+  //vc.wr++;
+  return(resGO);
+}
+
+
+/*
+ * 0x68-0x6f 1 12 XRL A,Rn
+ *____________________________________________________________________________
+ *
+ */
+
+int
+cl_51core::instruction_68/*inst_xrl_a_rn*/(t_mem/*uchar*/ code)
+{
+  t_mem d;
+
+  d= acc->read();
+  acc->write(d ^ R[code & 0x07]->read());
+  //vc.rd+= 2;
+  //vc.wr++;
+  return(resGO);
+}
+
+
+/*
+ * 0xf4 1 12 CPL A
+ *____________________________________________________________________________
+ *
+ */
+
+int
+cl_51core::instruction_f4/*inst_cpl_a*/(t_mem/*uchar*/ code)
+{
+  acc->write(~(acc->read()));
+  //vc.rd++;
+  //vc.wr++;
+  return(resGO);
+}
+
+
+/* End of s51.src/logic.cc */