summaryrefslogtreecommitdiff
path: root/sim/ucsim/tlcs.src/inst_rot_sh.cc
diff options
context:
space:
mode:
authorXavier ASUS <xavi92psx@gmail.com>2019-10-18 00:31:54 +0200
committerXavier ASUS <xavi92psx@gmail.com>2019-10-18 00:31:54 +0200
commit268a53de823a6750d6256ee1fb1e7707b4b45740 (patch)
tree42c1799a9a82b2f7d9790ee9fe181d72a7274751 /sim/ucsim/tlcs.src/inst_rot_sh.cc
downloadsdcc-gas-268a53de823a6750d6256ee1fb1e7707b4b45740.tar.gz
sdcc-3.9.0 fork implementing GNU assembler syntax
This fork aims to provide better support for stm8-binutils
Diffstat (limited to 'sim/ucsim/tlcs.src/inst_rot_sh.cc')
-rw-r--r--sim/ucsim/tlcs.src/inst_rot_sh.cc322
1 files changed, 322 insertions, 0 deletions
diff --git a/sim/ucsim/tlcs.src/inst_rot_sh.cc b/sim/ucsim/tlcs.src/inst_rot_sh.cc
new file mode 100644
index 0000000..056af8e
--- /dev/null
+++ b/sim/ucsim/tlcs.src/inst_rot_sh.cc
@@ -0,0 +1,322 @@
+/*
+ * Simulator of microcontrollers (tlcs.src/inst_rot_sh.cc)
+ *
+ * Copyright (C) 2016,16 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 "tlcscl.h"
+
+
+// RLC 8-bit
+u8_t
+cl_tlcs::op_rlc(u8_t data, bool set_sz)
+{
+ u8_t c= data & 0x80;
+ reg.raf.f&= ~((set_sz?(FLAG_S|FLAG_Z):0)|FLAG_H|FLAG_N|FLAG_C);
+ data<<= 1;
+ if (c)
+ {
+ data|= 1;
+ reg.raf.f|= FLAG_C;
+ }
+
+ if (set_sz)
+ {
+ if (!data)
+ reg.raf.f|= FLAG_Z;
+ if (data&0x80)
+ reg.raf.f|= FLAG_S;
+ set_p(data);
+ }
+
+ return data;
+}
+
+
+// RLC mem
+u8_t
+cl_tlcs::inst_rlc(cl_memory_cell *cell)
+{
+ u8_t d= op_rlc(cell->read(), true);
+ vc.rd++;
+ cell->write(d);
+ vc.wr++;
+ return d;
+}
+
+
+// RRC 8-bit
+u8_t
+cl_tlcs::op_rrc(u8_t data, bool set_sz)
+{
+ u8_t c= data & 0x01;
+ reg.raf.f&= ~((set_sz?(FLAG_S|FLAG_Z):0)|FLAG_H|FLAG_N|FLAG_C);
+ data>>= 1;
+ if (c)
+ {
+ data|= 0x80;
+ reg.raf.f|= FLAG_C;
+ }
+
+ if (set_sz)
+ {
+ if (!data)
+ reg.raf.f|= FLAG_Z;
+ if (data&0x80)
+ reg.raf.f|= FLAG_S;
+ set_p(data);
+ }
+
+ return data;
+}
+
+
+// RRC mem
+u8_t
+cl_tlcs::inst_rrc(cl_memory_cell *cell)
+{
+ u8_t d= op_rrc(cell->read(), true);
+ vc.rd++;
+ cell->write(d);
+ vc.wr++;
+ return d;
+}
+
+
+// RL 8-bit
+u8_t
+cl_tlcs::op_rl(u8_t data, bool set_sz)
+{
+ u8_t c= data & 0x80;
+ data<<= 1;
+ if (reg.raf.f & FLAG_C)
+ data|= 1;
+ reg.raf.f&= ~((set_sz?(FLAG_S|FLAG_Z):0)|FLAG_H|FLAG_N|FLAG_C);
+ if (c)
+ reg.raf.f|= FLAG_C;
+
+ if (set_sz)
+ {
+ if (!data)
+ reg.raf.f|= FLAG_Z;
+ if (data&0x80)
+ reg.raf.f|= FLAG_S;
+ set_p(data);
+ }
+
+ return data;
+}
+
+
+// RL mem
+u8_t
+cl_tlcs::inst_rl(cl_memory_cell *cell)
+{
+ u8_t d= op_rl(cell->read(), true);
+ vc.rd++;
+ cell->write(d);
+ vc.wr++;
+ return d;
+}
+
+
+// RR 8-bit
+u8_t
+cl_tlcs::op_rr(u8_t data, bool set_sz)
+{
+ u8_t c= data & 0x01;
+ data>>= 1;
+ if (reg.raf.f & FLAG_C)
+ data|= 0x80;
+ reg.raf.f&= ~((set_sz?(FLAG_S|FLAG_Z):0)|FLAG_H|FLAG_N|FLAG_C);
+ if (c)
+ reg.raf.f|= FLAG_C;
+
+ if (set_sz)
+ {
+ if (!data)
+ reg.raf.f|= FLAG_Z;
+ if (data&0x80)
+ reg.raf.f|= FLAG_S;
+ set_p(data);
+ }
+
+ return data;
+}
+
+
+// RR mem
+u8_t
+cl_tlcs::inst_rr(cl_memory_cell *cell)
+{
+ u8_t d= op_rr(cell->read(), true);
+ vc.rd++;
+ cell->write(d);
+ vc.wr++;
+ return d;
+}
+
+
+// SLA 8-bit
+u8_t
+cl_tlcs::op_sla(u8_t data, bool set_sz)
+{
+ u8_t c= data & 0x80;
+ data<<= 1;
+ reg.raf.f&= ~((set_sz?(FLAG_S|FLAG_Z):0)|FLAG_H|FLAG_N|FLAG_C);
+ if (c)
+ reg.raf.f|= FLAG_C;
+
+ if (set_sz)
+ {
+ if (!data)
+ reg.raf.f|= FLAG_Z;
+ if (data&0x80)
+ reg.raf.f|= FLAG_S;
+ set_p(data);
+ }
+
+ return data;
+}
+
+
+// SLA mem
+u8_t
+cl_tlcs::inst_sla(cl_memory_cell *cell)
+{
+ u8_t d= op_sla(cell->read(), true);
+ vc.rd++;
+ cell->write(d);
+ vc.wr++;
+ return d;
+}
+
+
+// SRA 8-bit
+u8_t
+cl_tlcs::op_sra(u8_t data, bool set_sz)
+{
+ u8_t c7= data & 0x80;
+ u8_t c0= data & 0x01;
+ data>>= 1;
+ reg.raf.f&= ~((set_sz?(FLAG_S|FLAG_Z):0)|FLAG_H|FLAG_N|FLAG_C);
+ if (c0)
+ reg.raf.f|= FLAG_C;
+ data|= c7;
+
+ if (set_sz)
+ {
+ if (!data)
+ reg.raf.f|= FLAG_Z;
+ if (data&0x80)
+ reg.raf.f|= FLAG_S;
+ set_p(data);
+ }
+
+ return data;
+}
+
+
+// SRA mem
+u8_t
+cl_tlcs::inst_sra(cl_memory_cell *cell)
+{
+ u8_t d= op_sra(cell->read(), true);
+ vc.rd++;
+ cell->write(d);
+ vc.wr++;
+ return d;
+}
+
+
+// SRL 8-bit
+u8_t
+cl_tlcs::op_srl(u8_t data, bool set_sz)
+{
+ u8_t c0= data & 0x01;
+ data>>= 1;
+ reg.raf.f&= ~((set_sz?(FLAG_S|FLAG_Z):0)|FLAG_H|FLAG_N|FLAG_C);
+ if (c0)
+ reg.raf.f|= FLAG_C;
+
+ if (set_sz)
+ {
+ if (!data)
+ reg.raf.f|= FLAG_Z;
+ if (data&0x80)
+ reg.raf.f|= FLAG_S;
+ set_p(data);
+ }
+
+ return data;
+}
+
+
+// SRL mem
+u8_t
+cl_tlcs::inst_srl(cl_memory_cell *cell)
+{
+ u8_t d= op_srl(cell->read(), true);
+ vc.rd++;
+ cell->write(d);
+ vc.wr++;
+ return d;
+}
+
+
+// RLD mem
+int
+cl_tlcs::inst_rld(class cl_memory_cell *cell)
+{
+ reg.raf.f&= ~(FLAG_H|FLAG_X|FLAG_N);
+
+ u8_t c= cell->read();
+ vc.rd++;
+ u8_t temp= reg.raf.a & 0x0f;
+ reg.raf.a= (reg.raf.a & 0xf0) + (c >> 4);
+ cell->write((c << 4) + temp);
+ vc.wr++;
+ set_p(reg.raf.a);
+ return resGO;
+}
+
+
+// RRD mem
+int
+cl_tlcs::inst_rrd(class cl_memory_cell *cell)
+{
+ reg.raf.f&= ~(FLAG_H|FLAG_X|FLAG_N);
+
+ u8_t c= cell->read();
+ vc.rd++;
+ u8_t temp= reg.raf.a & 0x0f;
+ reg.raf.a= (reg.raf.a & 0xf0) + (c & 0x0f);
+ cell->write((temp << 4) + (c >> 4));
+ vc.wr++;
+ set_p(reg.raf.a);
+ return resGO;
+}
+
+
+/* End of tlcs.src/inst_rot_sh.cc */