sdcc-3.9.0 fork implementing GNU assembler syntax

This fork aims to provide better support for stm8-binutils

26 files changed, 1902 insertions, 0 deletions

diff --git a/device/lib/pic16/libsdcc/gptr/eeprom16_gptrget1.c b/device/lib/pic16/libsdcc/gptr/eeprom16_gptrget1.c
new file mode 100644
index 0000000..85d2f08
--- /dev/null
+++ b/device/lib/pic16/libsdcc/gptr/eeprom16_gptrget1.c
@@ -0,0 +1,62 @@
+/*-------------------------------------------------------------------------
+   eeprom16_gptrget1.c - get 1 byte value from EEPROM via a generic pointer
+
+   Copyright (C) 2012 Raphael Neider <rneider AT web.de>
+
+   This library 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, or (at your option) any
+   later version.
+
+   This library 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 this library; see the file COPYING. If not, write to the
+   Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston,
+   MA 02110-1301, USA.
+
+   As a special exception, if you link this library with other files,
+   some of which are compiled with SDCC, to produce an executable,
+   this library does not by itself cause the resulting executable to
+   be covered by the GNU General Public License. This exception does
+   not however invalidate any other reasons why the executable file
+   might be covered by the GNU General Public License.
+-------------------------------------------------------------------------*/
+
+/* the return value is expected to be in (FSR0H, PRODH, PRODL, WREG),
+ * therefore we choose return type void here. Generic pointer is expected
+ * to be in (WREG, PRODL, FSR0L), so function arguments are void, too */
+
+extern int EEADR;
+extern int EEADRH;
+extern int EECON1;
+extern int EEDATA;
+extern int FSR0L;
+extern int INTCON;
+extern int PRODL;
+extern int TBLPTRL;
+
+void
+__eeprom16_gptrget1(void) __naked
+{
+    __asm
+        MOVFF   _INTCON, _TBLPTRL   ; save previous interupt state
+        BCF     _INTCON, 7, 0       ; GIE = 0: disable interrupts
+
+        BCF     _EECON1, 7, 0       ; EEPGD = 0: access EEPROM, not program memory
+        BCF     _EECON1, 6, 0       ; CFGS = 0: access EEPROM, not config words
+
+        MOVFF   _FSR0L, _EEADR      ; address first byte
+        MOVFF   _PRODL, _EEADRH     ; high address bits
+        BSF     _EECON1, 0, 0       ; RD = 1: read EEPROM
+        MOVF    _EEDATA, 0, 0       ; W = EEPROM[adr]
+
+        BTFSC   _TBLPTRL, 7, 0      ; check previous interrupt state
+        BSF     _INTCON, 7, 0       ; conditionally re-enable interrupts
+
+        RETURN
+    __endasm;
+}
diff --git a/device/lib/pic16/libsdcc/gptr/eeprom16_gptrget2.c b/device/lib/pic16/libsdcc/gptr/eeprom16_gptrget2.c
new file mode 100644
index 0000000..ae2563c
--- /dev/null
+++ b/device/lib/pic16/libsdcc/gptr/eeprom16_gptrget2.c
@@ -0,0 +1,67 @@
+/*-------------------------------------------------------------------------
+   eeprom16_gptrget2.c - get 2 byte value from EEPROM via a generic pointer
+
+   Copyright (C) 2012 Raphael Neider <rneider AT web.de>
+
+   This library 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, or (at your option) any
+   later version.
+
+   This library 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 this library; see the file COPYING. If not, write to the
+   Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston,
+   MA 02110-1301, USA.
+
+   As a special exception, if you link this library with other files,
+   some of which are compiled with SDCC, to produce an executable,
+   this library does not by itself cause the resulting executable to
+   be covered by the GNU General Public License. This exception does
+   not however invalidate any other reasons why the executable file
+   might be covered by the GNU General Public License.
+-------------------------------------------------------------------------*/
+
+/* the return value is expected to be in (FSR0H, PRODH, PRODL, WREG),
+ * therefore we choose return type void here. Generic pointer is expected
+ * to be in (WREG, PRODL, FSR0L), so function arguments are void, too */
+
+extern int EEADR;
+extern int EEADRH;
+extern int EECON1;
+extern int EEDATA;
+extern int FSR0L;
+extern int INTCON;
+extern int PRODL;
+extern int TBLPTRL;
+
+void
+__eeprom16_gptrget2(void) __naked
+{
+    __asm
+        MOVFF   _INTCON, _TBLPTRL   ; save previous interupt state
+        BCF     _INTCON, 7, 0       ; GIE = 0: disable interrupts
+
+        BCF     _EECON1, 7, 0       ; EEPGD = 0: access EEPROM, not program memory
+        BCF     _EECON1, 6, 0       ; CFGS = 0: access EEPROM, not config words
+
+        MOVFF   _FSR0L, _EEADR      ; address first byte
+        MOVFF   _PRODL, _EEADRH     ; address first byte, high address bits
+        BSF     _EECON1, 0, 0       ; RD = 1: read EEPROM
+        MOVF    _EEDATA, 0, 0       ; W = EEPROM[adr]
+
+        INFSNZ  _EEADR, 1, 0        ; address second byte
+        INCF    _EEADRH, 1, 0       ; high address bits
+        BSF     _EECON1, 0, 0       ; RD = 1: read EEPROM
+        MOVFF   _EEDATA, _PRODL     ; PRODL = EEPROM[adr+1]
+
+        BTFSC   _TBLPTRL, 7, 0      ; check previous interrupt state
+        BSF     _INTCON, 7, 0       ; conditionally re-enable interrupts
+
+        RETURN
+    __endasm;
+}
diff --git a/device/lib/pic16/libsdcc/gptr/eeprom16_gptrget3.c b/device/lib/pic16/libsdcc/gptr/eeprom16_gptrget3.c
new file mode 100644
index 0000000..43d9ce5
--- /dev/null
+++ b/device/lib/pic16/libsdcc/gptr/eeprom16_gptrget3.c
@@ -0,0 +1,73 @@
+/*-------------------------------------------------------------------------
+   eeprom16_gptrget3.c - get 3 byte value from EEPROM via a generic pointer
+
+   Copyright (C) 2012 Raphael Neider <rneider AT web.de>
+
+   This library 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, or (at your option) any
+   later version.
+
+   This library 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 this library; see the file COPYING. If not, write to the
+   Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston,
+   MA 02110-1301, USA.
+
+   As a special exception, if you link this library with other files,
+   some of which are compiled with SDCC, to produce an executable,
+   this library does not by itself cause the resulting executable to
+   be covered by the GNU General Public License. This exception does
+   not however invalidate any other reasons why the executable file
+   might be covered by the GNU General Public License.
+-------------------------------------------------------------------------*/
+
+/* the return value is expected to be in (FSR0H, PRODH, PRODL, WREG),
+ * therefore we choose return type void here. Generic pointer is expected
+ * to be in (WREG, PRODL, FSR0L), so function arguments are void, too */
+
+extern int EEADR;
+extern int EEADRH;
+extern int EECON1;
+extern int EEDATA;
+extern int FSR0L;
+extern int INTCON;
+extern int PRODH;
+extern int PRODL;
+extern int TBLPTRL;
+
+void
+__eeprom16_gptrget3(void) __naked
+{
+    __asm
+        MOVFF   _INTCON, _TBLPTRL   ; save previous interupt state
+        BCF     _INTCON, 7, 0       ; GIE = 0: disable interrupts
+
+        BCF     _EECON1, 7, 0       ; EEPGD = 0: access EEPROM, not program memory
+        BCF     _EECON1, 6, 0       ; CFGS = 0: access EEPROM, not config words
+
+        MOVFF   _FSR0L, _EEADR      ; address first byte
+        MOVFF   _PRODL, _EEADRH     ; high address bits
+        BSF     _EECON1, 0, 0       ; RD = 1: read EEPROM
+        MOVF    _EEDATA, 0, 0       ; W = EEPROM[adr]
+
+        INFSNZ  _EEADR, 1, 0        ; address second byte
+        INCF    _EEADRH, 1, 0       ; high address bits
+        BSF     _EECON1, 0, 0       ; RD = 1: read EEPROM
+        MOVFF   _EEDATA, _PRODL     ; PRODL = EEPROM[adr+1]
+
+        INFSNZ  _EEADR, 1, 0        ; address third byte
+        INCF    _EEADRH, 1, 0       ; high address bits
+        BSF     _EECON1, 0, 0       ; RD = 1: read EEPROM
+        MOVFF   _EEDATA, _PRODH     ; PRODH = EEPROM[adr+2]
+
+        BTFSC   _TBLPTRL, 7, 0      ; check previous interrupt state
+        BSF     _INTCON, 7, 0       ; conditionally re-enable interrupts
+
+        RETURN
+    __endasm;
+}
diff --git a/device/lib/pic16/libsdcc/gptr/eeprom16_gptrget4.c b/device/lib/pic16/libsdcc/gptr/eeprom16_gptrget4.c
new file mode 100644
index 0000000..647597e
--- /dev/null
+++ b/device/lib/pic16/libsdcc/gptr/eeprom16_gptrget4.c
@@ -0,0 +1,79 @@
+/*-------------------------------------------------------------------------
+   eeprom16_gptrget4.c - get 4 byte value from EEPROM via a generic pointer
+
+   Copyright (C) 2012 Raphael Neider <rneider AT web.de>
+
+   This library 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, or (at your option) any
+   later version.
+
+   This library 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 this library; see the file COPYING. If not, write to the
+   Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston,
+   MA 02110-1301, USA.
+
+   As a special exception, if you link this library with other files,
+   some of which are compiled with SDCC, to produce an executable,
+   this library does not by itself cause the resulting executable to
+   be covered by the GNU General Public License. This exception does
+   not however invalidate any other reasons why the executable file
+   might be covered by the GNU General Public License.
+-------------------------------------------------------------------------*/
+
+/* the return value is expected to be in (FSR0H, PRODH, PRODL, WREG),
+ * therefore we choose return type void here. Generic pointer is expected
+ * to be in (WREG, PRODL, FSR0L), so function arguments are void, too */
+
+extern int EEADR;
+extern int EEADRH;
+extern int EECON1;
+extern int EEDATA;
+extern int FSR0H;
+extern int FSR0L;
+extern int INTCON;
+extern int PRODH;
+extern int PRODL;
+extern int TBLPTRL;
+
+void
+__eeprom16_gptrget4(void) __naked
+{
+    __asm
+        MOVFF   _INTCON, _TBLPTRL   ; save previous interupt state
+        BCF     _INTCON, 7, 0       ; GIE = 0: disable interrupts
+
+        BCF     _EECON1, 7, 0       ; EEPGD = 0: access EEPROM, not program memory
+        BCF     _EECON1, 6, 0       ; CFGS = 0: access EEPROM, not config words
+
+        MOVFF   _FSR0L, _EEADR      ; address first byte
+        MOVFF   _PRODL, _EEADRH     ; high address bits
+        BSF     _EECON1, 0, 0       ; RD = 1: read EEPROM
+        MOVF    _EEDATA, 0, 0       ; W = EEPROM[adr]
+
+        INFSNZ  _EEADR, 1, 0        ; address second byte
+        INCF    _EEADRH, 1, 0       ; high address bits
+        BSF     _EECON1, 0, 0       ; RD = 1: read EEPROM
+        MOVFF   _EEDATA, _PRODL     ; PRODL = EEPROM[adr+1]
+
+        INFSNZ  _EEADR, 1, 0        ; address third byte
+        INCF    _EEADRH, 1, 0       ; high address bits
+        BSF     _EECON1, 0, 0       ; RD = 1: read EEPROM
+        MOVFF   _EEDATA, _PRODH     ; PRODH = EEPROM[adr+2]
+
+        INFSNZ  _EEADR, 1, 0        ; address fourth byte
+        INCF    _EEADRH, 1, 0       ; high address bits
+        BSF     _EECON1, 0, 0       ; RD = 1: read EEPROM
+        MOVFF   _EEDATA, _FSR0H     ; FSR0H = EEPROM[adr+3]
+
+        BTFSC   _TBLPTRL, 7, 0      ; check previous interrupt state
+        BSF     _INTCON, 7, 0       ; conditionally re-enable interrupts
+
+        RETURN
+    __endasm;
+}
diff --git a/device/lib/pic16/libsdcc/gptr/eeprom16_gptrput1.c b/device/lib/pic16/libsdcc/gptr/eeprom16_gptrput1.c
new file mode 100644
index 0000000..7889f47
--- /dev/null
+++ b/device/lib/pic16/libsdcc/gptr/eeprom16_gptrput1.c
@@ -0,0 +1,67 @@
+/*-------------------------------------------------------------------------
+   eeprom16_gptrput1.c - write 1 byte value to EEPROM via a generic pointer
+
+   Copyright (C) 2012 Raphael Neider <rneider AT web.de>
+
+   This library 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, or (at your option) any
+   later version.
+
+   This library 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 this library; see the file COPYING. If not, write to the
+   Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston,
+   MA 02110-1301, USA.
+
+   As a special exception, if you link this library with other files,
+   some of which are compiled with SDCC, to produce an executable,
+   this library does not by itself cause the resulting executable to
+   be covered by the GNU General Public License. This exception does
+   not however invalidate any other reasons why the executable file
+   might be covered by the GNU General Public License.
+-------------------------------------------------------------------------*/
+
+/* write address is expected to be in WREG:PRODL:FSR0L while
+ * write value is in TBLPTRH:TBLPTRL:PRODH:[stack] */
+
+extern int EEADR;
+extern int EEADRH;
+extern int EECON1;
+extern int EEDATA;
+extern int FSR0H;
+extern int FSR0L;
+extern int INTCON;
+extern int PREINC1;
+extern int PRODL;
+extern int __eeprom16_write;
+
+void
+__eeprom16_gptrput1(void) __naked
+{
+    __asm
+        MOVFF   _INTCON, _FSR0H     ; save previous interupt state
+        BCF     _INTCON, 7, 0       ; GIE = 0: disable interrupts
+
+        BCF     _EECON1, 7, 0       ; EEPGD = 0: access EEPROM, not program memory
+        BCF     _EECON1, 6, 0       ; CFGS = 0: access EEPROM, not config words
+        BSF     _EECON1, 2, 0       ; WREN = 1: enable write access
+
+        MOVFF   _FSR0L, _EEADR      ; address first byte
+        MOVFF   _PRODL, _EEADRH     ; high address bits
+
+        MOVFF   _PREINC1, _EEDATA   ; load first byte
+        CALL    ___eeprom16_write   ; write and address next byte
+
+        BCF     _EECON1, 2, 0       ; WREN = 0: disable write access
+
+        BTFSC   _FSR0H, 7, 0        ; check previous interrupt state
+        BSF     _INTCON, 7, 0       ; conditionally re-enable interrupts
+
+        RETURN
+    __endasm;
+}
diff --git a/device/lib/pic16/libsdcc/gptr/eeprom16_gptrput2.c b/device/lib/pic16/libsdcc/gptr/eeprom16_gptrput2.c
new file mode 100644
index 0000000..62acd47
--- /dev/null
+++ b/device/lib/pic16/libsdcc/gptr/eeprom16_gptrput2.c
@@ -0,0 +1,71 @@
+/*-------------------------------------------------------------------------
+   eeprom16_gptrput2.c - write 2 byte value to EEPROM via a generic pointer
+
+   Copyright (C) 2012 Raphael Neider <rneider AT web.de>
+
+   This library 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, or (at your option) any
+   later version.
+
+   This library 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 this library; see the file COPYING. If not, write to the
+   Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston,
+   MA 02110-1301, USA.
+
+   As a special exception, if you link this library with other files,
+   some of which are compiled with SDCC, to produce an executable,
+   this library does not by itself cause the resulting executable to
+   be covered by the GNU General Public License. This exception does
+   not however invalidate any other reasons why the executable file
+   might be covered by the GNU General Public License.
+-------------------------------------------------------------------------*/
+
+/* write address is expected to be in WREG:PRODL:FSR0L while
+ * write value is in TBLPTRH:TBLPTRL:PRODH:[stack] */
+
+extern int EEADR;
+extern int EEADRH;
+extern int EECON1;
+extern int EEDATA;
+extern int FSR0H;
+extern int FSR0L;
+extern int INTCON;
+extern int PREINC1;
+extern int PRODH;
+extern int PRODL;
+extern int __eeprom16_write;
+
+void
+__eeprom16_gptrput2(void) __naked
+{
+    __asm
+        MOVFF   _INTCON, _FSR0H     ; save previous interupt state
+        BCF     _INTCON, 7, 0       ; GIE = 0: disable interrupts
+
+        BCF     _EECON1, 7, 0       ; EEPGD = 0: access EEPROM, not program memory
+        BCF     _EECON1, 6, 0       ; CFGS = 0: access EEPROM, not config words
+        BSF     _EECON1, 2, 0       ; WREN = 1: enable write access
+
+        MOVFF   _FSR0L, _EEADR      ; address first byte
+        MOVFF   _PRODL, _EEADRH     ; high address bits
+
+        MOVFF   _PREINC1, _EEDATA   ; load first byte
+        CALL    ___eeprom16_write   ; write and address next byte
+
+        MOVFF   _PRODH, _EEDATA     ; load second byte
+        CALL    ___eeprom16_write   ; write and address next byte
+
+        BCF     _EECON1, 2, 0       ; WREN = 0: disable write access
+
+        BTFSC   _FSR0H, 7, 0        ; check previous interrupt state
+        BSF     _INTCON, 7, 0       ; conditionally re-enable interrupts
+
+        RETURN
+    __endasm;
+}
diff --git a/device/lib/pic16/libsdcc/gptr/eeprom16_gptrput3.c b/device/lib/pic16/libsdcc/gptr/eeprom16_gptrput3.c
new file mode 100644
index 0000000..62cdb7c
--- /dev/null
+++ b/device/lib/pic16/libsdcc/gptr/eeprom16_gptrput3.c
@@ -0,0 +1,75 @@
+/*-------------------------------------------------------------------------
+   eeprom16_gptrput3.c - write 3 byte value to EEPROM via a generic pointer
+
+   Copyright (C) 2012 Raphael Neider <rneider AT web.de>
+
+   This library 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, or (at your option) any
+   later version.
+
+   This library 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 this library; see the file COPYING. If not, write to the
+   Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston,
+   MA 02110-1301, USA.
+
+   As a special exception, if you link this library with other files,
+   some of which are compiled with SDCC, to produce an executable,
+   this library does not by itself cause the resulting executable to
+   be covered by the GNU General Public License. This exception does
+   not however invalidate any other reasons why the executable file
+   might be covered by the GNU General Public License.
+-------------------------------------------------------------------------*/
+
+/* write address is expected to be in WREG:PRODL:FSR0L while
+ * write value is in TBLPTRH:TBLPTRL:PRODH:[stack] */
+
+extern int EEADR;
+extern int EEADRH;
+extern int EECON1;
+extern int EEDATA;
+extern int FSR0H;
+extern int FSR0L;
+extern int INTCON;
+extern int PREINC1;
+extern int PRODH;
+extern int PRODL;
+extern int TBLPTRL;
+extern int __eeprom16_write;
+
+void
+__eeprom16_gptrput3(void) __naked
+{
+    __asm
+        MOVFF   _INTCON, _FSR0H     ; save previous interupt state
+        BCF     _INTCON, 7, 0       ; GIE = 0: disable interrupts
+
+        BCF     _EECON1, 7, 0       ; EEPGD = 0: access EEPROM, not program memory
+        BCF     _EECON1, 6, 0       ; CFGS = 0: access EEPROM, not config words
+        BSF     _EECON1, 2, 0       ; WREN = 1: enable write access
+
+        MOVFF   _FSR0L, _EEADR      ; address first byte
+        MOVFF   _PRODL, _EEADRH     ; high address bits
+
+        MOVFF   _PREINC1, _EEDATA   ; load first byte
+        CALL    ___eeprom16_write   ; write and address next byte
+
+        MOVFF   _PRODH, _EEDATA     ; load second byte
+        CALL    ___eeprom16_write   ; write and address next byte
+
+        MOVFF   _TBLPTRL, _EEDATA   ; load third byte
+        CALL    ___eeprom16_write   ; write and address next byte
+
+        BCF     _EECON1, 2, 0       ; WREN = 0: disable write access
+
+        BTFSC   _FSR0H, 7, 0        ; check previous interrupt state
+        BSF     _INTCON, 7, 0       ; conditionally re-enable interrupts
+
+        RETURN
+    __endasm;
+}
diff --git a/device/lib/pic16/libsdcc/gptr/eeprom16_gptrput4.c b/device/lib/pic16/libsdcc/gptr/eeprom16_gptrput4.c
new file mode 100644
index 0000000..2bd907d
--- /dev/null
+++ b/device/lib/pic16/libsdcc/gptr/eeprom16_gptrput4.c
@@ -0,0 +1,79 @@
+/*-------------------------------------------------------------------------
+   eeprom16_gptrput4.c - write 4 byte value to EEPROM via a generic pointer
+
+   Copyright (C) 2012 Raphael Neider <rneider AT web.de>
+
+   This library 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, or (at your option) any
+   later version.
+
+   This library 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 this library; see the file COPYING. If not, write to the
+   Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston,
+   MA 02110-1301, USA.
+
+   As a special exception, if you link this library with other files,
+   some of which are compiled with SDCC, to produce an executable,
+   this library does not by itself cause the resulting executable to
+   be covered by the GNU General Public License. This exception does
+   not however invalidate any other reasons why the executable file
+   might be covered by the GNU General Public License.
+-------------------------------------------------------------------------*/
+
+/* write address is expected to be in WREG:PRODL:FSR0L while
+ * write value is in TBLPTRH:TBLPTRL:PRODH:[stack] */
+
+extern int EEADR;
+extern int EEADRH;
+extern int EECON1;
+extern int EEDATA;
+extern int FSR0H;
+extern int FSR0L;
+extern int INTCON;
+extern int PREINC1;
+extern int PRODH;
+extern int PRODL;
+extern int TBLPTRL;
+extern int TBLPTRH;
+extern int __eeprom16_write;
+
+void
+__eeprom16_gptrput4(void) __naked
+{
+    __asm
+        MOVFF   _INTCON, _FSR0H     ; save previous interupt state
+        BCF     _INTCON, 7, 0       ; GIE = 0: disable interrupts
+
+        BCF     _EECON1, 7, 0       ; EEPGD = 0: access EEPROM, not program memory
+        BCF     _EECON1, 6, 0       ; CFGS = 0: access EEPROM, not config words
+        BSF     _EECON1, 2, 0       ; WREN = 1: enable write access
+
+        MOVFF   _FSR0L, _EEADR      ; address first byte
+        MOVFF   _PRODL, _EEADRH     ; high address bits
+
+        MOVFF   _PREINC1, _EEDATA   ; load first byte
+        CALL    ___eeprom16_write   ; write and address next byte
+
+        MOVFF   _PRODH, _EEDATA     ; load second byte
+        CALL    ___eeprom16_write   ; write and address next byte
+
+        MOVFF   _TBLPTRL, _EEDATA   ; load third byte
+        CALL    ___eeprom16_write   ; write and address next byte
+
+        MOVFF   _TBLPTRH, _EEDATA   ; load fourth byte
+        CALL    ___eeprom16_write   ; write and address next byte
+
+        BCF     _EECON1, 2, 0       ; WREN = 0: disable write access
+
+        BTFSC   _FSR0H, 7, 0        ; check previous interrupt state
+        BSF     _INTCON, 7, 0       ; conditionally re-enable interrupts
+
+        RETURN
+    __endasm;
+}
diff --git a/device/lib/pic16/libsdcc/gptr/eeprom16_write.c b/device/lib/pic16/libsdcc/gptr/eeprom16_write.c
new file mode 100644
index 0000000..92ff0ce
--- /dev/null
+++ b/device/lib/pic16/libsdcc/gptr/eeprom16_write.c
@@ -0,0 +1,51 @@
+/*-------------------------------------------------------------------------
+   eeprom_write16.c - write one byte to EEPROM and wait for completion
+
+   Copyright (C) 1999, Sandeep Dutta . sandeep.dutta@usa.net
+   Adopted for pic16 port by Vangelis Rokas, 2004 <vrokas AT otenet.gr>
+
+   This library 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, or (at your option) any
+   later version.
+
+   This library 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 this library; see the file COPYING. If not, write to the
+   Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston,
+   MA 02110-1301, USA.
+
+   As a special exception, if you link this library with other files,
+   some of which are compiled with SDCC, to produce an executable,
+   this library does not by itself cause the resulting executable to
+   be covered by the GNU General Public License. This exception does
+   not however invalidate any other reasons why the executable file
+   might be covered by the GNU General Public License.
+-------------------------------------------------------------------------*/
+
+extern char EEADR;
+extern char EEADRH;
+extern char EECON1;
+extern char EECON2;
+
+void __eeprom16_write(void) __naked
+{
+  __asm
+    movlw       0x55
+    movwf       _EECON2, 0
+    movlw       0xAA
+    movwf       _EECON2, 0
+    bsf         _EECON1, 1, 0   ; WR
+
+    wait_till_done:
+    btfsc       _EECON1, 1, 0   ; WR still set?
+    bra         wait_till_done
+
+    infsnz      _EEADR, 1, 0    ; address next byte
+    incf        _EEADRH, 1, 0   ; address next byte
+  __endasm;
+}
diff --git a/device/lib/pic16/libsdcc/gptr/eeprom8_gptrget1.c b/device/lib/pic16/libsdcc/gptr/eeprom8_gptrget1.c
new file mode 100644
index 0000000..a702dec
--- /dev/null
+++ b/device/lib/pic16/libsdcc/gptr/eeprom8_gptrget1.c
@@ -0,0 +1,59 @@
+/*-------------------------------------------------------------------------
+   eeprom8_gptrget1.c - get 1 byte value from EEPROM via a generic pointer
+
+   Copyright (C) 2012 Raphael Neider <rneider AT web.de>
+
+   This library 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, or (at your option) any
+   later version.
+
+   This library 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 this library; see the file COPYING. If not, write to the
+   Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston,
+   MA 02110-1301, USA.
+
+   As a special exception, if you link this library with other files,
+   some of which are compiled with SDCC, to produce an executable,
+   this library does not by itself cause the resulting executable to
+   be covered by the GNU General Public License. This exception does
+   not however invalidate any other reasons why the executable file
+   might be covered by the GNU General Public License.
+-------------------------------------------------------------------------*/
+
+/* the return value is expected to be in (FSR0H, PRODH, PRODL, WREG),
+ * therefore we choose return type void here. Generic pointer is expected
+ * to be in (WREG, PRODL, FSR0L), so function arguments are void, too */
+
+extern int EEADR;
+extern int EECON1;
+extern int EEDATA;
+extern int FSR0L;
+extern int INTCON;
+extern int TBLPTRL;
+
+void
+__eeprom8_gptrget1(void) __naked
+{
+    __asm
+        MOVFF   _INTCON, _TBLPTRL   ; save previous interupt state
+        BCF     _INTCON, 7, 0       ; GIE = 0: disable interrupts
+
+        BCF     _EECON1, 7, 0       ; EEPGD = 0: access EEPROM, not program memory
+        BCF     _EECON1, 6, 0       ; CFGS = 0: access EEPROM, not config words
+
+        MOVFF   _FSR0L, _EEADR      ; address first byte
+        BSF     _EECON1, 0, 0       ; RD = 1
+        MOVF    _EEDATA, 0, 0       ; W = EEPROM[adr]
+
+        BTFSC   _TBLPTRL, 7, 0      ; check previous interrupt state
+        BSF     _INTCON, 7, 0       ; conditionally re-enable interrupts
+
+        RETURN
+    __endasm;
+}
diff --git a/device/lib/pic16/libsdcc/gptr/eeprom8_gptrget2.c b/device/lib/pic16/libsdcc/gptr/eeprom8_gptrget2.c
new file mode 100644
index 0000000..35aeb81
--- /dev/null
+++ b/device/lib/pic16/libsdcc/gptr/eeprom8_gptrget2.c
@@ -0,0 +1,64 @@
+/*-------------------------------------------------------------------------
+   eeprom8_gptrget2.c - get 2 byte value from EEPROM via a generic pointer
+
+   Copyright (C) 2012 Raphael Neider <rneider AT web.de>
+
+   This library 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, or (at your option) any
+   later version.
+
+   This library 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 this library; see the file COPYING. If not, write to the
+   Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston,
+   MA 02110-1301, USA.
+
+   As a special exception, if you link this library with other files,
+   some of which are compiled with SDCC, to produce an executable,
+   this library does not by itself cause the resulting executable to
+   be covered by the GNU General Public License. This exception does
+   not however invalidate any other reasons why the executable file
+   might be covered by the GNU General Public License.
+-------------------------------------------------------------------------*/
+
+/* the return value is expected to be in (FSR0H, PRODH, PRODL, WREG),
+ * therefore we choose return type void here. Generic pointer is expected
+ * to be in (WREG, PRODL, FSR0L), so function arguments are void, too */
+
+extern int EEADR;
+extern int EECON1;
+extern int EEDATA;
+extern int FSR0L;
+extern int INTCON;
+extern int PRODL;
+extern int TBLPTRL;
+
+void
+__eeprom8_gptrget2(void) __naked
+{
+    __asm
+        MOVFF   _INTCON, _TBLPTRL   ; save previous interupt state
+        BCF     _INTCON, 7, 0       ; GIE = 0: disable interrupts
+
+        BCF     _EECON1, 7, 0       ; EEPGD = 0: access EEPROM, not program memory
+        BCF     _EECON1, 6, 0       ; CFGS = 0: access EEPROM, not config words
+
+        MOVFF   _FSR0L, _EEADR      ; address first byte
+        BSF     _EECON1, 0, 0       ; RD = 1
+        MOVF    _EEDATA, 0, 0       ; W = EEPROM[adr]
+
+        INCF    _EEADR, 1, 0        ; address second byte
+        BSF     _EECON1, 0, 0       ; RD = 1
+        MOVFF   _EEDATA, _PRODL     ; PRODL = EEPROM[adr+1]
+
+        BTFSC   _TBLPTRL, 7, 0      ; check previous interrupt state
+        BSF     _INTCON, 7, 0       ; conditionally re-enable interrupts
+
+        RETURN
+    __endasm;
+}
diff --git a/device/lib/pic16/libsdcc/gptr/eeprom8_gptrget3.c b/device/lib/pic16/libsdcc/gptr/eeprom8_gptrget3.c
new file mode 100644
index 0000000..de738d5
--- /dev/null
+++ b/device/lib/pic16/libsdcc/gptr/eeprom8_gptrget3.c
@@ -0,0 +1,69 @@
+/*-------------------------------------------------------------------------
+   eeprom8_gptrget3.c - get 3 byte value from EEPROM via a generic pointer
+
+   Copyright (C) 2012 Raphael Neider <rneider AT web.de>
+
+   This library 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, or (at your option) any
+   later version.
+
+   This library 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 this library; see the file COPYING. If not, write to the
+   Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston,
+   MA 02110-1301, USA.
+
+   As a special exception, if you link this library with other files,
+   some of which are compiled with SDCC, to produce an executable,
+   this library does not by itself cause the resulting executable to
+   be covered by the GNU General Public License. This exception does
+   not however invalidate any other reasons why the executable file
+   might be covered by the GNU General Public License.
+-------------------------------------------------------------------------*/
+
+/* the return value is expected to be in (FSR0H, PRODH, PRODL, WREG),
+ * therefore we choose return type void here. Generic pointer is expected
+ * to be in (WREG, PRODL, FSR0L), so function arguments are void, too */
+
+extern int EEADR;
+extern int EECON1;
+extern int EEDATA;
+extern int FSR0L;
+extern int INTCON;
+extern int PRODH;
+extern int PRODL;
+extern int TBLPTRL;
+
+void
+__eeprom8_gptrget3(void) __naked
+{
+    __asm
+        MOVFF   _INTCON, _TBLPTRL   ; save previous interupt state
+        BCF     _INTCON, 7, 0       ; GIE = 0: disable interrupts
+
+        BCF     _EECON1, 7, 0       ; EEPGD = 0: access EEPROM, not program memory
+        BCF     _EECON1, 6, 0       ; CFGS = 0: access EEPROM, not config words
+
+        MOVFF   _FSR0L, _EEADR      ; address first byte
+        BSF     _EECON1, 0, 0       ; RD = 1
+        MOVF    _EEDATA, 0, 0       ; W = EEPROM[adr]
+
+        INCF    _EEADR, 1, 0        ; address second byte
+        BSF     _EECON1, 0, 0       ; RD = 1
+        MOVFF   _EEDATA, _PRODL     ; PRODL = EEPROM[adr+1]
+
+        INCF    _EEADR, 1, 0        ; address third byte
+        BSF     _EECON1, 0, 0       ; RD = 1
+        MOVFF   _EEDATA, _PRODH     ; PRODH = EEPROM[adr+2]
+
+        BTFSC   _TBLPTRL, 7, 0      ; check previous interrupt state
+        BSF     _INTCON, 7, 0       ; conditionally re-enable interrupts
+
+        RETURN
+    __endasm;
+}
diff --git a/device/lib/pic16/libsdcc/gptr/eeprom8_gptrget4.c b/device/lib/pic16/libsdcc/gptr/eeprom8_gptrget4.c
new file mode 100644
index 0000000..b2765a5
--- /dev/null
+++ b/device/lib/pic16/libsdcc/gptr/eeprom8_gptrget4.c
@@ -0,0 +1,74 @@
+/*-------------------------------------------------------------------------
+   eeprom8_gptrget4.c - get 4 byte value from EEPROM via a generic pointer
+
+   Copyright (C) 2012 Raphael Neider <rneider AT web.de>
+
+   This library 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, or (at your option) any
+   later version.
+
+   This library 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 this library; see the file COPYING. If not, write to the
+   Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston,
+   MA 02110-1301, USA.
+
+   As a special exception, if you link this library with other files,
+   some of which are compiled with SDCC, to produce an executable,
+   this library does not by itself cause the resulting executable to
+   be covered by the GNU General Public License. This exception does
+   not however invalidate any other reasons why the executable file
+   might be covered by the GNU General Public License.
+-------------------------------------------------------------------------*/
+
+/* the return value is expected to be in (FSR0H, PRODH, PRODL, WREG),
+ * therefore we choose return type void here. Generic pointer is expected
+ * to be in (WREG, PRODL, FSR0L), so function arguments are void, too */
+
+extern int EEADR;
+extern int EECON1;
+extern int EEDATA;
+extern int FSR0H;
+extern int FSR0L;
+extern int INTCON;
+extern int PRODH;
+extern int PRODL;
+extern int TBLPTRL;
+
+void
+__eeprom8_gptrget4(void) __naked
+{
+    __asm
+        MOVFF   _INTCON, _TBLPTRL   ; save previous interupt state
+        BCF     _INTCON, 7, 0       ; GIE = 0: disable interrupts
+
+        BCF     _EECON1, 7, 0       ; EEPGD = 0: access EEPROM, not program memory
+        BCF     _EECON1, 6, 0       ; CFGS = 0: access EEPROM, not config words
+
+        MOVFF   _FSR0L, _EEADR      ; address first byte
+        BSF     _EECON1, 0, 0       ; RD = 1
+        MOVF    _EEDATA, 0, 0       ; W = EEPROM[adr]
+
+        INCF    _EEADR, 1, 0        ; address second byte
+        BSF     _EECON1, 0, 0       ; RD = 1
+        MOVFF   _EEDATA, _PRODL     ; PRODL = EEPROM[adr+1]
+
+        INCF    _EEADR, 1, 0        ; address third byte
+        BSF     _EECON1, 0, 0       ; RD = 1
+        MOVFF   _EEDATA, _PRODH     ; PRODH = EEPROM[adr+2]
+
+        INCF    _EEADR, 1, 0        ; address fourth byte
+        BSF     _EECON1, 0, 0       ; RD = 1
+        MOVFF   _EEDATA, _FSR0H     ; PRODL = EEPROM[adr+3]
+
+        BTFSC   _TBLPTRL, 7, 0      ; check previous interrupt state
+        BSF     _INTCON, 7, 0       ; conditionally re-enable interrupts
+
+        RETURN
+    __endasm;
+}
diff --git a/device/lib/pic16/libsdcc/gptr/eeprom8_gptrput1.c b/device/lib/pic16/libsdcc/gptr/eeprom8_gptrput1.c
new file mode 100644
index 0000000..2d0befc
--- /dev/null
+++ b/device/lib/pic16/libsdcc/gptr/eeprom8_gptrput1.c
@@ -0,0 +1,64 @@
+/*-------------------------------------------------------------------------
+   eeprom8_gptrput1.c - write 1 byte value to EEPROM via a generic pointer
+
+   Copyright (C) 2012 Raphael Neider <rneider AT web.de>
+
+   This library 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, or (at your option) any
+   later version.
+
+   This library 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 this library; see the file COPYING. If not, write to the
+   Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston,
+   MA 02110-1301, USA.
+
+   As a special exception, if you link this library with other files,
+   some of which are compiled with SDCC, to produce an executable,
+   this library does not by itself cause the resulting executable to
+   be covered by the GNU General Public License. This exception does
+   not however invalidate any other reasons why the executable file
+   might be covered by the GNU General Public License.
+-------------------------------------------------------------------------*/
+
+/* write address is expected to be in WREG:PRODL:FSR0L while
+ * write value is in TBLPTRH:TBLPTRL:PRODH:[stack] */
+
+extern int EEADR;
+extern int EECON1;
+extern int EEDATA;
+extern int FSR0H;
+extern int FSR0L;
+extern int INTCON;
+extern int PREINC1;
+extern int __eeprom8_write;
+
+void
+__eeprom8_gptrput1(void) __naked
+{
+    __asm
+        MOVFF   _INTCON, _FSR0H     ; save previous interupt state
+        BCF     _INTCON, 7, 0       ; GIE = 0: disable interrupts
+
+        BCF     _EECON1, 7, 0       ; EEPGD = 0: access EEPROM, not program memory
+        BCF     _EECON1, 6, 0       ; CFGS = 0: access EEPROM, not config words
+        BSF     _EECON1, 2, 0       ; WREN = 1: enable write access
+
+        MOVFF   _FSR0L, _EEADR      ; address first byte
+
+        MOVFF   _PREINC1, _EEDATA   ; load first byte
+        CALL    ___eeprom8_write    ; write and address next byte
+
+        BCF     _EECON1, 2, 0       ; WREN = 0: disable write access
+
+        BTFSC   _FSR0H, 7, 0        ; check previous interrupt state
+        BSF     _INTCON, 7, 0       ; conditionally re-enable interrupts
+
+        RETURN
+    __endasm;
+}
diff --git a/device/lib/pic16/libsdcc/gptr/eeprom8_gptrput2.c b/device/lib/pic16/libsdcc/gptr/eeprom8_gptrput2.c
new file mode 100644
index 0000000..900227b
--- /dev/null
+++ b/device/lib/pic16/libsdcc/gptr/eeprom8_gptrput2.c
@@ -0,0 +1,68 @@
+/*-------------------------------------------------------------------------
+   eeprom8_gptrput2.c - write 2 byte value to EEPROM via a generic pointer
+
+   Copyright (C) 2012 Raphael Neider <rneider AT web.de>
+
+   This library 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, or (at your option) any
+   later version.
+
+   This library 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 this library; see the file COPYING. If not, write to the
+   Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston,
+   MA 02110-1301, USA.
+
+   As a special exception, if you link this library with other files,
+   some of which are compiled with SDCC, to produce an executable,
+   this library does not by itself cause the resulting executable to
+   be covered by the GNU General Public License. This exception does
+   not however invalidate any other reasons why the executable file
+   might be covered by the GNU General Public License.
+-------------------------------------------------------------------------*/
+
+/* write address is expected to be in WREG:PRODL:FSR0L while
+ * write value is in TBLPTRH:TBLPTRL:PRODH:[stack] */
+
+extern int EEADR;
+extern int EECON1;
+extern int EEDATA;
+extern int FSR0H;
+extern int FSR0L;
+extern int INTCON;
+extern int PREINC1;
+extern int PRODH;
+extern int __eeprom8_write;
+
+void
+__eeprom8_gptrput2(void) __naked
+{
+    __asm
+        MOVFF   _INTCON, _FSR0H     ; save previous interupt state
+        BCF     _INTCON, 7, 0       ; GIE = 0: disable interrupts
+
+        BCF     _EECON1, 7, 0       ; EEPGD = 0: access EEPROM, not program memory
+        BCF     _EECON1, 6, 0       ; CFGS = 0: access EEPROM, not config words
+        BSF     _EECON1, 2, 0       ; WREN = 1: enable write access
+
+        MOVFF   _FSR0L, _EEADR      ; address first byte
+
+        MOVFF   _PREINC1, _EEDATA   ; load first byte
+        CALL    ___eeprom8_write    ; write and address next byte
+
+        MOVFF   _PRODH, _EEDATA     ; load second byte
+        CALL    ___eeprom8_write    ; write and address next byte
+
+        BCF     _EECON1, 2, 0       ; WREN = 0: disable write access
+
+        BTFSC   _FSR0H, 7, 0        ; check previous interrupt state
+        BSF     _INTCON, 7, 0       ; conditionally re-enable interrupts
+
+        RETURN
+    __endasm;
+}
diff --git a/device/lib/pic16/libsdcc/gptr/eeprom8_gptrput3.c b/device/lib/pic16/libsdcc/gptr/eeprom8_gptrput3.c
new file mode 100644
index 0000000..42aa6c1
--- /dev/null
+++ b/device/lib/pic16/libsdcc/gptr/eeprom8_gptrput3.c
@@ -0,0 +1,72 @@
+/*-------------------------------------------------------------------------
+   eeprom8_gptrput3.c - write 3 byte value to EEPROM via a generic pointer
+
+   Copyright (C) 2012 Raphael Neider <rneider AT web.de>
+
+   This library 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, or (at your option) any
+   later version.
+
+   This library 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 this library; see the file COPYING. If not, write to the
+   Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston,
+   MA 02110-1301, USA.
+
+   As a special exception, if you link this library with other files,
+   some of which are compiled with SDCC, to produce an executable,
+   this library does not by itself cause the resulting executable to
+   be covered by the GNU General Public License. This exception does
+   not however invalidate any other reasons why the executable file
+   might be covered by the GNU General Public License.
+-------------------------------------------------------------------------*/
+
+/* write address is expected to be in WREG:PRODL:FSR0L while
+ * write value is in TBLPTRH:TBLPTRL:PRODH:[stack] */
+
+extern int EEADR;
+extern int EECON1;
+extern int EEDATA;
+extern int FSR0H;
+extern int FSR0L;
+extern int INTCON;
+extern int PREINC1;
+extern int PRODH;
+extern int TBLPTRL;
+extern int __eeprom8_write;
+
+void
+__eeprom8_gptrput3(void) __naked
+{
+    __asm
+        MOVFF   _INTCON, _FSR0H     ; save previous interupt state
+        BCF     _INTCON, 7, 0       ; GIE = 0: disable interrupts
+
+        BCF     _EECON1, 7, 0       ; EEPGD = 0: access EEPROM, not program memory
+        BCF     _EECON1, 6, 0       ; CFGS = 0: access EEPROM, not config words
+        BSF     _EECON1, 2, 0       ; WREN = 1: enable write access
+
+        MOVFF   _FSR0L, _EEADR      ; address first byte
+
+        MOVFF   _PREINC1, _EEDATA   ; load first byte
+        CALL    ___eeprom8_write    ; write and address next byte
+
+        MOVFF   _PRODH, _EEDATA     ; load second byte
+        CALL    ___eeprom8_write    ; write and address next byte
+
+        MOVFF   _TBLPTRL, _EEDATA   ; load third byte
+        CALL    ___eeprom8_write    ; write and address next byte
+
+        BCF     _EECON1, 2, 0       ; WREN = 0: disable write access
+
+        BTFSC   _FSR0H, 7, 0        ; check previous interrupt state
+        BSF     _INTCON, 7, 0       ; conditionally re-enable interrupts
+
+        RETURN
+    __endasm;
+}
diff --git a/device/lib/pic16/libsdcc/gptr/eeprom8_gptrput4.c b/device/lib/pic16/libsdcc/gptr/eeprom8_gptrput4.c
new file mode 100644
index 0000000..03aede4
--- /dev/null
+++ b/device/lib/pic16/libsdcc/gptr/eeprom8_gptrput4.c
@@ -0,0 +1,75 @@
+/*-------------------------------------------------------------------------
+   eeprom8_gptrput4.c - write 4 byte value to EEPROM via a generic pointer
+
+   Copyright (C) 2012 Raphael Neider <rneider AT web.de>
+
+   This library 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, or (at your option) any
+   later version.
+
+   This library 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 this library; see the file COPYING. If not, write to the
+   Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston,
+   MA 02110-1301, USA.
+
+   As a special exception, if you link this library with other files,
+   some of which are compiled with SDCC, to produce an executable,
+   this library does not by itself cause the resulting executable to
+   be covered by the GNU General Public License. This exception does
+   not however invalidate any other reasons why the executable file
+   might be covered by the GNU General Public License.
+-------------------------------------------------------------------------*/
+
+/* write address is expected to be in WREG:PRODL:FSR0L while
+ * write value is in TBLPTRH:TBLPTRL:PRODH:[stack] */
+
+extern int EEADR;
+extern int EECON1;
+extern int EEDATA;
+extern int FSR0H;
+extern int FSR0L;
+extern int INTCON;
+extern int PREINC1;
+extern int PRODH;
+extern int TBLPTRL;
+extern int TBLPTRH;
+extern int __eeprom8_write;
+
+void
+__eeprom8_gptrput4(void) __naked
+{
+    __asm
+        MOVFF   _INTCON, _FSR0H     ; save previous interupt state
+        BCF     _INTCON, 7, 0       ; GIE = 0: disable interrupts
+
+        BCF     _EECON1, 7, 0       ; EEPGD = 0: access EEPROM, not program memory
+        BCF     _EECON1, 6, 0       ; CFGS = 0: access EEPROM, not config words
+        BSF     _EECON1, 2, 0       ; WREN = 1: enable write access
+
+        MOVFF   _FSR0L, _EEADR      ; address first byte
+        MOVFF   _PREINC1, _EEDATA   ; load first byte
+        CALL    ___eeprom8_write    ; write and address next byte
+
+        MOVFF   _PRODH, _EEDATA     ; load second byte
+        CALL    ___eeprom8_write    ; write and address next byte
+
+        MOVFF   _TBLPTRL, _EEDATA   ; load third byte
+        CALL    ___eeprom8_write    ; write and address next byte
+
+        MOVFF   _TBLPTRH, _EEDATA   ; load fourth byte
+        CALL    ___eeprom8_write    ; write and address next byte
+
+        BCF     _EECON1, 2, 0       ; WREN = 0: disable write access
+
+        BTFSC   _FSR0H, 7, 0        ; check previous interrupt state
+        BSF     _INTCON, 7, 0       ; conditionally re-enable interrupts
+
+        RETURN
+    __endasm;
+}
diff --git a/device/lib/pic16/libsdcc/gptr/eeprom8_write.c b/device/lib/pic16/libsdcc/gptr/eeprom8_write.c
new file mode 100644
index 0000000..82cac16
--- /dev/null
+++ b/device/lib/pic16/libsdcc/gptr/eeprom8_write.c
@@ -0,0 +1,49 @@
+/*-------------------------------------------------------------------------
+   eeprom_write8.c - write one byte to EEPROM and wait for completion
+
+   Copyright (C) 1999, Sandeep Dutta . sandeep.dutta@usa.net
+   Adopted for pic16 port by Vangelis Rokas, 2004 <vrokas AT otenet.gr>
+
+   This library 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, or (at your option) any
+   later version.
+
+   This library 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 this library; see the file COPYING. If not, write to the
+   Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston,
+   MA 02110-1301, USA.
+
+   As a special exception, if you link this library with other files,
+   some of which are compiled with SDCC, to produce an executable,
+   this library does not by itself cause the resulting executable to
+   be covered by the GNU General Public License. This exception does
+   not however invalidate any other reasons why the executable file
+   might be covered by the GNU General Public License.
+-------------------------------------------------------------------------*/
+
+extern char EEADR;
+extern char EECON1;
+extern char EECON2;
+
+void __eeprom8_write(void) __naked
+{
+  __asm
+    movlw       0x55
+    movwf       _EECON2, 0
+    movlw       0xAA
+    movwf       _EECON2, 0
+    bsf         _EECON1, 1, 0   ; WR
+
+    wait_till_done:
+    btfsc       _EECON1, 1, 0   ; WR still set?
+    bra         wait_till_done
+
+    infsnz      _EEADR, 1, 0    ; address next byte
+  __endasm;
+}
diff --git a/device/lib/pic16/libsdcc/gptr/gptrget1.c b/device/lib/pic16/libsdcc/gptr/gptrget1.c
new file mode 100644
index 0000000..f7d932c
--- /dev/null
+++ b/device/lib/pic16/libsdcc/gptr/gptrget1.c
@@ -0,0 +1,87 @@
+/*-------------------------------------------------------------------------
+   gptrget1.c - get 1 byte value from generic pointer
+
+   Copyright (C) 1999, Sandeep Dutta . sandeep.dutta@usa.net
+   Adopted for pic16 port by Vangelis Rokas, 2004 <vrokas AT otenet.gr>
+
+   This library 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, or (at your option) any
+   later version.
+
+   This library 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 this library; see the file COPYING. If not, write to the
+   Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston,
+   MA 02110-1301, USA.
+
+   As a special exception, if you link this library with other files,
+   some of which are compiled with SDCC, to produce an executable,
+   this library does not by itself cause the resulting executable to
+   be covered by the GNU General Public License. This exception does
+   not however invalidate any other reasons why the executable file
+   might be covered by the GNU General Public License.
+-------------------------------------------------------------------------*/
+
+/* the return value is expected to be in (FSR0H, PRODH, PRODL, WREG),
+ * therefore we choose return type void here. Generic pointer is expected
+ * to be in (WREG, PRODL, FSR0L), so function arguments are void, too */
+
+extern int POSTINC0;
+extern int INDF0;
+extern int FSR0L;
+extern int FSR0H;
+extern int WREG;
+extern int TBLPTRL;
+extern int TBLPTRH;
+extern int TBLPTRU;
+extern int TABLAT;
+extern int PRODL;
+extern int __eeprom_gptrget1;
+
+void _gptrget1(void) __naked
+{
+  __asm
+    /* decode generic pointer MSB (in WREG) bits 6 and 7:
+     * 00 -> code
+     * 01 -> EEPROM
+     * 10 -> data
+     * 11 -> data
+     *
+     * address in (WREG, PRODL, FSR0L)
+     * result in (FSR0L, PRODH, PRODL, WREG)
+     */
+    btfss	_WREG, 7, 0
+    bra		_lab_01_
+    
+    /* data pointer  */
+    /* FSR0L is already set up */
+    movff	_PRODL, _FSR0H
+    
+    movf	_POSTINC0, 0, 0
+    
+    return
+    
+
+_lab_01_:
+    /* code or eeprom */
+    btfsc	_WREG, 6, 0
+    goto        ___eeprom_gptrget1
+    
+    ; code pointer
+    movff	_FSR0L, _TBLPTRL    
+    movff	_PRODL, _TBLPTRH
+    movwf	_TBLPTRU, 0
+    
+    /* fetch first byte */
+    TBLRD*+
+    movf	_TABLAT, 0, 0
+
+    return 
+  
+  __endasm;
+}
diff --git a/device/lib/pic16/libsdcc/gptr/gptrget2.c b/device/lib/pic16/libsdcc/gptr/gptrget2.c
new file mode 100644
index 0000000..4fd7b05
--- /dev/null
+++ b/device/lib/pic16/libsdcc/gptr/gptrget2.c
@@ -0,0 +1,92 @@
+/*-------------------------------------------------------------------------
+   gptrget2.c - get 2 byte value from generic pointer
+
+   Copyright (C) 1999, Sandeep Dutta . sandeep.dutta@usa.net
+   Adopted for pic16 port by Vangelis Rokas, 2004 <vrokas AT otenet.gr>
+
+   This library 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, or (at your option) any
+   later version.
+
+   This library 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 this library; see the file COPYING. If not, write to the
+   Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston,
+   MA 02110-1301, USA.
+
+   As a special exception, if you link this library with other files,
+   some of which are compiled with SDCC, to produce an executable,
+   this library does not by itself cause the resulting executable to
+   be covered by the GNU General Public License. This exception does
+   not however invalidate any other reasons why the executable file
+   might be covered by the GNU General Public License.
+-------------------------------------------------------------------------*/
+
+/* the return value is expected to be in (FSR0H, PRODH, PRODL, WREG),
+ * therefore we choose return type void here. Generic pointer is expected
+ * to be in (WREG, PRODL, FSR0L), so function arguments are void, too */
+
+extern int POSTINC0;
+extern int INDF0;
+extern int FSR0L;
+extern int FSR0H;
+extern int WREG;
+extern int TBLPTRL;
+extern int TBLPTRH;
+extern int TBLPTRU;
+extern int TABLAT;
+extern int PRODL;
+extern int __eeprom_gptrget2;
+
+void _gptrget2(void) __naked
+{
+  __asm
+    /* decode generic pointer MSB (in WREG) bits 6 and 7:
+     * 00 -> code
+     * 01 -> EEPROM
+     * 10 -> data
+     * 11 -> data
+     *
+     * address in (WREG, PRODL, FSR0L)
+     * result in (FSR0L, PRODH, PRODL, WREG)
+     */
+    btfss	_WREG, 7, 0
+    bra		_lab_01_
+    
+    /* data pointer  */
+    /* FSR0L is already set up */
+    movff	_PRODL, _FSR0H
+    
+    movf	_POSTINC0, 0, 0
+    movff	_POSTINC0, _PRODL
+    
+    return
+    
+
+_lab_01_:
+    /* code or eeprom */
+    btfsc	_WREG, 6, 0
+    goto        ___eeprom_gptrget2
+    
+    ; code pointer
+    movff	_FSR0L, _TBLPTRL    
+    movff	_PRODL, _TBLPTRH
+    movwf	_TBLPTRU, 0
+    
+    /* fetch first byte */
+    TBLRD*+
+    movf	_TABLAT, 0, 0
+
+    /* fetch second byte  */
+    TBLRD*+
+    movff	_TABLAT, _PRODL
+    
+    return 
+
+  __endasm;
+}
diff --git a/device/lib/pic16/libsdcc/gptr/gptrget3.c b/device/lib/pic16/libsdcc/gptr/gptrget3.c
new file mode 100644
index 0000000..f6327eb
--- /dev/null
+++ b/device/lib/pic16/libsdcc/gptr/gptrget3.c
@@ -0,0 +1,98 @@
+/*-------------------------------------------------------------------------
+   gptrget3.c - get 3 byte value from generic pointer
+
+   Copyright (C) 1999, Sandeep Dutta . sandeep.dutta@usa.net
+   Adopted for pic16 port by Vangelis Rokas, 2004 <vrokas AT otenet.gr>
+
+   This library 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, or (at your option) any
+   later version.
+
+   This library 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 this library; see the file COPYING. If not, write to the
+   Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston,
+   MA 02110-1301, USA.
+
+   As a special exception, if you link this library with other files,
+   some of which are compiled with SDCC, to produce an executable,
+   this library does not by itself cause the resulting executable to
+   be covered by the GNU General Public License. This exception does
+   not however invalidate any other reasons why the executable file
+   might be covered by the GNU General Public License.
+-------------------------------------------------------------------------*/
+
+/* the return value is expected to be in (FSR0H, PRODH, PRODL, WREG),
+ * therefore we choose return type void here. Generic pointer is expected
+ * to be in (WREG, PRODL, FSR0L), so function arguments are void, too */
+
+extern int POSTINC0;
+extern int INDF0;
+extern int FSR0L;
+extern int FSR0H;
+extern int WREG;
+extern int TBLPTRL;
+extern int TBLPTRH;
+extern int TBLPTRU;
+extern int TABLAT;
+extern int PRODL;
+extern int PRODH;
+extern int __eeprom_gptrget3;
+
+void _gptrget3(void) __naked
+{
+  __asm
+    /* decode generic pointer MSB (in WREG) bits 6 and 7:
+     * 00 -> code
+     * 01 -> EEPROM
+     * 10 -> data
+     * 11 -> data
+     *
+     * address in (WREG, PRODL, FSR0L)
+     * result in (FSR0L, PRODH, PRODL, WREG)
+     */
+    btfss	_WREG, 7, 0
+    bra		_lab_01_
+    
+    /* data pointer  */
+    /* FSR0L is already set up */
+    movff	_PRODL, _FSR0H
+    
+    movf	_POSTINC0, 0, 0
+    movff	_POSTINC0, _PRODL
+    movff	_POSTINC0, _PRODH
+    
+    return
+    
+
+_lab_01_:
+    /* code or eeprom */
+    btfsc	_WREG, 6, 0
+    goto        ___eeprom_gptrget3
+    
+    ; code pointer
+    movff	_FSR0L, _TBLPTRL    
+    movff	_PRODL, _TBLPTRH
+    movwf	_TBLPTRU, 0
+    
+    /* fetch first byte */
+    TBLRD*+
+    movf	_TABLAT, 0, 0
+
+    /* fetch second byte  */
+    TBLRD*+
+    movff	_TABLAT, _PRODL
+    
+    /* fetch third byte */
+    TBLRD*+
+    movff	_TABLAT, _PRODH
+    
+    return 
+  
+  __endasm;
+}
diff --git a/device/lib/pic16/libsdcc/gptr/gptrget4.c b/device/lib/pic16/libsdcc/gptr/gptrget4.c
new file mode 100644
index 0000000..ca96d67
--- /dev/null
+++ b/device/lib/pic16/libsdcc/gptr/gptrget4.c
@@ -0,0 +1,103 @@
+/*-------------------------------------------------------------------------
+   gptrget4.c - get 4 byte value from generic pointer
+
+   Copyright (C) 1999, Sandeep Dutta . sandeep.dutta@usa.net
+   Adopted for pic16 port by Vangelis Rokas, 2004 <vrokas AT otenet.gr>
+
+   This library 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, or (at your option) any
+   later version.
+
+   This library 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 this library; see the file COPYING. If not, write to the
+   Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston,
+   MA 02110-1301, USA.
+
+   As a special exception, if you link this library with other files,
+   some of which are compiled with SDCC, to produce an executable,
+   this library does not by itself cause the resulting executable to
+   be covered by the GNU General Public License. This exception does
+   not however invalidate any other reasons why the executable file
+   might be covered by the GNU General Public License.
+-------------------------------------------------------------------------*/
+
+/* the return value is expected to be in (FSR0H, PRODH, PRODL, WREG),
+ * therefore we choose return type void here. Generic pointer is expected
+ * to be in (WREG, PRODL, FSR0L), so function arguments are void, too */
+
+extern int POSTINC0;
+extern int INDF0;
+extern int FSR0L;
+extern int FSR0H;
+extern int WREG;
+extern int TBLPTRL;
+extern int TBLPTRH;
+extern int TBLPTRU;
+extern int TABLAT;
+extern int PRODL;
+extern int PRODH;
+extern int __eeprom_gptrget4;
+
+void _gptrget4(void) __naked
+{
+  __asm
+    /* decode generic pointer MSB (in WREG) bits 6 and 7:
+     * 00 -> code
+     * 01 -> EEPROM
+     * 10 -> data
+     * 11 -> data
+     *
+     * address in (WREG, PRODL, FSR0L)
+     * result in (FSR0L, PRODH, PRODL, WREG)
+     */
+    btfss	_WREG, 7, 0
+    bra		_lab_01_
+    
+    /* data pointer  */
+    /* FSR0L is already set up */
+    movff	_PRODL, _FSR0H
+    
+    movf	_POSTINC0, 0, 0
+    movff	_POSTINC0, _PRODL
+    movff	_POSTINC0, _PRODH
+    movff	_POSTINC0, _FSR0L
+    
+    return
+    
+
+_lab_01_:
+    /* code or eeprom */
+    btfsc	_WREG, 6, 0
+    goto        ___eeprom_gptrget4
+    
+    ; code pointer
+    movff	_FSR0L, _TBLPTRL    
+    movff	_PRODL, _TBLPTRH
+    movwf	_TBLPTRU, 0
+    
+    /* fetch first byte */
+    TBLRD*+
+    movf	_TABLAT, 0, 0
+
+    /* fetch second byte  */
+    TBLRD*+
+    movff	_TABLAT, _PRODL
+    
+    /* fetch third byte */
+    TBLRD*+
+    movff	_TABLAT, _PRODH
+    
+    /* fetch fourth byte */
+    TBLRD*+
+    movff	_TABLAT, _FSR0L
+    
+    return 
+  
+  __endasm;
+}
diff --git a/device/lib/pic16/libsdcc/gptr/gptrput1.c b/device/lib/pic16/libsdcc/gptr/gptrput1.c
new file mode 100644
index 0000000..f18e00b
--- /dev/null
+++ b/device/lib/pic16/libsdcc/gptr/gptrput1.c
@@ -0,0 +1,73 @@
+/*-------------------------------------------------------------------------
+   gptrput1.c - put 1 byte value at generic pointer
+
+   Copyright (C) 1999, Sandeep Dutta . sandeep.dutta@usa.net
+   Adopted for pic16 port by Vangelis Rokas, 2004 <vrokas AT otenet.gr>
+
+   This library 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, or (at your option) any
+   later version.
+
+   This library 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 this library; see the file COPYING. If not, write to the
+   Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston,
+   MA 02110-1301, USA.
+
+   As a special exception, if you link this library with other files,
+   some of which are compiled with SDCC, to produce an executable,
+   this library does not by itself cause the resulting executable to
+   be covered by the GNU General Public License. This exception does
+   not however invalidate any other reasons why the executable file
+   might be covered by the GNU General Public License.
+-------------------------------------------------------------------------*/
+
+/* write address is expected to be in WREG:PRODL:FSR0L while
+ * write value is in TBLPTRH:TBLPTRL:PRODH:[stack] */
+ 
+extern int FSR0H;
+extern int POSTINC0;
+extern int PREINC1;
+extern int PRODL;
+extern int WREG;
+extern int __eeprom_gptrput1;
+
+void _gptrput1(void) __naked
+{
+  __asm
+    /* decode generic pointer MSB (in WREG) bits 6 and 7:
+     * 00 -> code (unimplemented)
+     * 01 -> EEPROM
+     * 10 -> data
+     * 11 -> data
+     *
+     * address: (WREG, PRODL, FSR0L)
+     * value: (TBLPTRH, TBLPTRL, PRODH, STACK1[+1])
+     */
+    btfss	_WREG, 7
+    bra		_lab_01_
+    
+    /* data pointer  */
+    /* FSR0L is already set up */
+    movff	_PRODL, _FSR0H
+    
+    movff	_PREINC1, _POSTINC0
+    
+    return
+    
+
+_lab_01_:
+    /* code or eeprom */
+    btfsc	_WREG, 6
+    goto        ___eeprom_gptrput1
+
+    /* code pointer, cannot write code pointers */
+    return
+
+  __endasm;
+}
diff --git a/device/lib/pic16/libsdcc/gptr/gptrput2.c b/device/lib/pic16/libsdcc/gptr/gptrput2.c
new file mode 100644
index 0000000..2d62a36
--- /dev/null
+++ b/device/lib/pic16/libsdcc/gptr/gptrput2.c
@@ -0,0 +1,75 @@
+/*-------------------------------------------------------------------------
+   gptrput2.c - put 2 byte value at generic pointer
+
+   Copyright (C) 1999, Sandeep Dutta . sandeep.dutta@usa.net
+   Adopted for pic16 port by Vangelis Rokas, 2004 <vrokas AT otenet.gr>
+
+   This library 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, or (at your option) any
+   later version.
+
+   This library 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 this library; see the file COPYING. If not, write to the
+   Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston,
+   MA 02110-1301, USA.
+
+   As a special exception, if you link this library with other files,
+   some of which are compiled with SDCC, to produce an executable,
+   this library does not by itself cause the resulting executable to
+   be covered by the GNU General Public License. This exception does
+   not however invalidate any other reasons why the executable file
+   might be covered by the GNU General Public License.
+-------------------------------------------------------------------------*/
+
+/* write address is expected to be in WREG:PRODL:FSR0L while
+ * write value is in TBLPTRH:TBLPTRL:PRODH:[stack] */
+ 
+extern int FSR0H;
+extern int POSTINC0;
+extern int PREINC1;
+extern int PRODH;
+extern int PRODL;
+extern int WREG;
+extern int __eeprom_gptrput2;
+
+void _gptrput2(void) __naked
+{
+  __asm
+    /* decode generic pointer MSB (in WREG) bits 6 and 7:
+     * 00 -> code (unimplemented)
+     * 01 -> EEPROM
+     * 10 -> data
+     * 11 -> data
+     *
+     * address: (WREG, PRODL, FSR0L)
+     * value: (TBLPTRH, TBLPTRL, PRODH, STACK1[+1])
+     */
+    btfss	_WREG, 7
+    bra		_lab_01_
+    
+    /* data pointer  */
+    /* FSR0L is already set up */
+    movff	_PRODL, _FSR0H
+    
+    movff	_PREINC1, _POSTINC0
+    movff	_PRODH, _POSTINC0
+    
+    return
+    
+
+_lab_01_:
+    /* code or eeprom */
+    btfsc	_WREG, 6
+    goto        ___eeprom_gptrput2
+
+    /* code pointer, cannot write code pointers */
+    return
+
+  __endasm;
+}
diff --git a/device/lib/pic16/libsdcc/gptr/gptrput3.c b/device/lib/pic16/libsdcc/gptr/gptrput3.c
new file mode 100644
index 0000000..dc9c7c9
--- /dev/null
+++ b/device/lib/pic16/libsdcc/gptr/gptrput3.c
@@ -0,0 +1,77 @@
+/*-------------------------------------------------------------------------
+   gptrput3.c - put 3 byte value at generic pointer
+
+   Copyright (C) 1999, Sandeep Dutta . sandeep.dutta@usa.net
+   Adopted for pic16 port by Vangelis Rokas, 2004 <vrokas AT otenet.gr>
+
+   This library 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, or (at your option) any
+   later version.
+
+   This library 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 this library; see the file COPYING. If not, write to the
+   Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston,
+   MA 02110-1301, USA.
+
+   As a special exception, if you link this library with other files,
+   some of which are compiled with SDCC, to produce an executable,
+   this library does not by itself cause the resulting executable to
+   be covered by the GNU General Public License. This exception does
+   not however invalidate any other reasons why the executable file
+   might be covered by the GNU General Public License.
+-------------------------------------------------------------------------*/
+
+/* write address is expected to be in WREG:PRODL:FSR0L while
+ * write value is in TBLPTRH:TBLPTRL:PRODH:[stack] */
+ 
+extern int FSR0H;
+extern int POSTINC0;
+extern int PREINC1;
+extern int PRODH;
+extern int PRODL;
+extern int TBLPTRL;
+extern int WREG;
+extern int __eeprom_gptrput3;
+
+void _gptrput3(void) __naked
+{
+  __asm
+    /* decode generic pointer MSB (in WREG) bits 6 and 7:
+     * 00 -> code (unimplemented)
+     * 01 -> EEPROM
+     * 10 -> data
+     * 11 -> data
+     *
+     * address: (WREG, PRODL, FSR0L)
+     * value: (TBLPTRH, TBLPTRL, PRODH, STACK1[+1])
+     */
+    btfss	_WREG, 7
+    bra		_lab_01_
+    
+    /* data pointer  */
+    /* FSR0L is already set up */
+    movff	_PRODL, _FSR0H
+    
+    movff	_PREINC1, _POSTINC0
+    movff	_PRODH, _POSTINC0
+    movff	_TBLPTRL, _POSTINC0
+    
+    return
+    
+
+_lab_01_:
+    /* code or eeprom */
+    btfsc	_WREG, 6
+    goto        ___eeprom_gptrput3
+
+    /* code pointer, cannot write code pointers */
+    return
+
+  __endasm;
+}
diff --git a/device/lib/pic16/libsdcc/gptr/gptrput4.c b/device/lib/pic16/libsdcc/gptr/gptrput4.c
new file mode 100644
index 0000000..0044786
--- /dev/null
+++ b/device/lib/pic16/libsdcc/gptr/gptrput4.c
@@ -0,0 +1,79 @@
+/*-------------------------------------------------------------------------
+   gptrput4.c - put 4 byte value at generic pointer
+
+   Copyright (C) 1999, Sandeep Dutta . sandeep.dutta@usa.net
+   Adopted for pic16 port by Vangelis Rokas, 2004 <vrokas AT otenet.gr>
+
+   This library 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, or (at your option) any
+   later version.
+
+   This library 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 this library; see the file COPYING. If not, write to the
+   Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston,
+   MA 02110-1301, USA.
+
+   As a special exception, if you link this library with other files,
+   some of which are compiled with SDCC, to produce an executable,
+   this library does not by itself cause the resulting executable to
+   be covered by the GNU General Public License. This exception does
+   not however invalidate any other reasons why the executable file
+   might be covered by the GNU General Public License.
+-------------------------------------------------------------------------*/
+
+/* write address is expected to be in WREG:PRODL:FSR0L while
+ * write value is in TBLPTRH:TBLPTRL:PRODH:[stack] */
+ 
+extern int FSR0H;
+extern int POSTINC0;
+extern int PREINC1;
+extern int PRODH;
+extern int PRODL;
+extern int TBLPTRH;
+extern int TBLPTRL;
+extern int WREG;
+extern int __eeprom_gptrput4;
+
+void _gptrput4(void) __naked
+{
+  __asm
+    /* decode generic pointer MSB (in WREG) bits 6 and 7:
+     * 00 -> code (unimplemented)
+     * 01 -> EEPROM
+     * 10 -> data
+     * 11 -> data
+     *
+     * address: (WREG, PRODL, FSR0L)
+     * value: (TBLPTRH, TBLPTRL, PRODH, STACK1[+1])
+     */
+    btfss	_WREG, 7
+    bra		_lab_01_
+    
+    /* data pointer  */
+    /* FSR0L is already set up */
+    movff	_PRODL, _FSR0H
+    
+    movff	_PREINC1, _POSTINC0
+    movff	_PRODH, _POSTINC0
+    movff	_TBLPTRL, _POSTINC0
+    movff	_TBLPTRH, _POSTINC0
+    
+    return
+    
+
+_lab_01_:
+    /* code or eeprom */
+    btfsc	_WREG, 6
+    goto        ___eeprom_gptrput4
+
+    /* code pointer, cannot write code pointers */
+    return
+    
+  __endasm;
+}