diff --git a/configs/pjrc-8051/Make.defs b/configs/pjrc-8051/Make.defs
index 8dd552990f8..80345552225 100644
--- a/configs/pjrc-8051/Make.defs
+++ b/configs/pjrc-8051/Make.defs
@@ -53,6 +53,7 @@ CC			= sdcc
 CPP			= sdcpp
 LD			= aslink
 AS			= asx8051
+#AR			= sdar -r
 AR			= sdcclib -a
 
 CFLAGS			= $(ARCHWARNINGS) $(ARCHOPTIMIZATION) \
diff --git a/configs/xtrs/nsh/Make.defs b/configs/xtrs/nsh/Make.defs
index 749b693154e..db67b931cbe 100644
--- a/configs/xtrs/nsh/Make.defs
+++ b/configs/xtrs/nsh/Make.defs
@@ -58,15 +58,16 @@ endif
 CROSSDEV =
 CC = sdcc
 CPP = sdcpp
-AR = sdcclib -a
 
 ifeq ($(CONFIG_SDCC_OLD),y)
   LD = link-z80
   AS = as-z80
+  AR = sdcclib -a
   ARCHCPUFLAGS = -mz80 --stack-auto --int-long-reent --float-reent
 else
   LD = sdldz80
   AS = sdasz80
+  AR = sdar -r
   ARCHCPUFLAGS = -mz80
 endif
 
diff --git a/configs/xtrs/ostest/Make.defs b/configs/xtrs/ostest/Make.defs
index 550c70d3c87..35550173774 100644
--- a/configs/xtrs/ostest/Make.defs
+++ b/configs/xtrs/ostest/Make.defs
@@ -58,15 +58,16 @@ endif
 CROSSDEV =
 CC = sdcc
 CPP = sdcpp
-AR = sdcclib -a
 
 ifeq ($(CONFIG_SDCC_OLD),y)
   LD = link-z80
   AS = as-z80
+  AR = sdcclib -a
   ARCHCPUFLAGS = -mz80 --stack-auto --int-long-reent --float-reent
 else
   LD = sdldz80
   AS = sdasz80
+  AR = sdar -r
   ARCHCPUFLAGS = -mz80
 endif
 
diff --git a/configs/xtrs/pashello/Make.defs b/configs/xtrs/pashello/Make.defs
index 409e303c106..641b9426d63 100644
--- a/configs/xtrs/pashello/Make.defs
+++ b/configs/xtrs/pashello/Make.defs
@@ -58,15 +58,16 @@ endif
 CROSSDEV =
 CC = sdcc
 CPP = sdcpp
-AR = sdcclib -a
 
 ifeq ($(CONFIG_SDCC_OLD),y)
   LD = link-z80
   AS = as-z80
+  AR = sdcclib -a
   ARCHCPUFLAGS = -mz80 --stack-auto --int-long-reent --float-reent
 else
   LD = sdldz80
   AS = sdasz80
+  AR = sdar -r
   ARCHCPUFLAGS = -mz80
 endif
 
diff --git a/configs/z80sim/nsh/Make.defs b/configs/z80sim/nsh/Make.defs
index a5b325e79dd..1edd5fdcf80 100644
--- a/configs/z80sim/nsh/Make.defs
+++ b/configs/z80sim/nsh/Make.defs
@@ -58,15 +58,16 @@ endif
 CROSSDEV =
 CC = sdcc
 CPP = sdcpp
-AR = sdcclib -a
 
 ifeq ($(CONFIG_SDCC_OLD),y)
   LD = link-z80
   AS = as-z80
+  AR = sdcclib -a
   ARCHCPUFLAGS = -mz80 --stack-auto --int-long-reent --float-reent
 else
   LD = sdldz80
   AS = sdasz80
+  AR = sdar -r
   ARCHCPUFLAGS = -mz80
 endif
 
diff --git a/configs/z80sim/ostest/Make.defs b/configs/z80sim/ostest/Make.defs
index 54b6d8c45d1..91d30a061ba 100644
--- a/configs/z80sim/ostest/Make.defs
+++ b/configs/z80sim/ostest/Make.defs
@@ -58,15 +58,16 @@ endif
 CROSSDEV =
 CC = sdcc
 CPP = sdcpp
-AR = sdcclib -a
 
 ifeq ($(CONFIG_SDCC_OLD),y)
   LD = link-z80
   AS = as-z80
+  AR = sdcclib -a
   ARCHCPUFLAGS = -mz80 --stack-auto --int-long-reent --float-reent
 else
   LD = sdldz80
   AS = sdasz80
+  AR = sdar -r
   ARCHCPUFLAGS = -mz80
 endif
 
diff --git a/configs/z80sim/pashello/Make.defs b/configs/z80sim/pashello/Make.defs
index 076aad7ed72..2dca56a0eb8 100644
--- a/configs/z80sim/pashello/Make.defs
+++ b/configs/z80sim/pashello/Make.defs
@@ -58,15 +58,16 @@ endif
 CROSSDEV =
 CC = sdcc
 CPP = sdcpp
-AR = sdcclib -a
 
 ifeq ($(CONFIG_SDCC_OLD),y)
   LD = link-z80
   AS = as-z80
+  AR = sdcclib -a
   ARCHCPUFLAGS = -mz80 --stack-auto --int-long-reent --float-reent
 else
   LD = sdldz80
   AS = sdasz80
+  AR = sdar -r
   ARCHCPUFLAGS = -mz80
 endif
 
diff --git a/configs/z80sim/src/z80_lowputc.c b/configs/z80sim/src/z80_lowputc.c
index e23caeb0f30..9b46b488019 100644
--- a/configs/z80sim/src/z80_lowputc.c
+++ b/configs/z80sim/src/z80_lowputc.c
@@ -76,6 +76,7 @@
 
 void z80_lowputc(char ch) __naked
 {
+#ifdef CONFIG_SDCC_OLD
   _asm
 	ld	hl, #2
 	add	hl, sp
@@ -83,6 +84,15 @@ void z80_lowputc(char ch) __naked
 	out	(0xbe), a
 	ret
   _endasm;
+#else
+  __asm__ (
+  "\tld hl, #2\n"
+  "\tadd hl, sp\n"
+  "\tld a, (hl)\n"
+  "\tout (0xbe), a\n"
+  "\tret\n"
+  );
+#endif
 }
 
 /********************************************************************************
@@ -94,10 +104,19 @@ void z80_lowputc(char ch) __naked
 
 char z80_lowgetc(void) __naked
 {
+#ifdef CONFIG_SDCC_OLD
   _asm
 	in	a, (0xbe)
 	ld	l, a
 	ld	h, #0
 	ret
   _endasm;
+#else
+  __asm__ (
+  "\tin a, (0xbe)\n"
+  "\tld l, a\n"
+  "\tld h, #0\n"
+  "\tret\n"
+  );
+#endif
 }