(committed on Frieder's behalf)

[fw/sdcc] / src / mcs51 / main.c

diff --git a/src/mcs51/main.c b/src/mcs51/main.c
index 20f721fe534220d8605a0fd1556ca03bc5151878..0bf2d1141a723e8dafd6201865d7e172ce89c694 100644 (file)
--- a/src/mcs51/main.c
+++ b/src/mcs51/main.c
@@ -157,17 +157,17 @@ _mcs51_genIVT (FILE * of, symbol ** interrupts, int maxInterrupts)
    This clears XSEG, DSEG, BSEG, OSEG, SSEG */
 static void _mcs51_genRAMCLEAR (FILE * of) {
   fprintf (of, ";      _mcs51_genRAMCLEAR() start\n");
-  fprintf (of, "       mov     r1,#l_XSEG\n");
-  fprintf (of, "       mov     a,r1\n");
+  fprintf (of, "       mov     r0,#l_XSEG\n");
+  fprintf (of, "       mov     a,r0\n");
   fprintf (of, "       orl     a,#(l_XSEG >> 8)\n");
   fprintf (of, "       jz      00005$\n");
-  fprintf (of, "       mov     r0,#((l_XSEG + 255) >> 8)\n");
+  fprintf (of, "       mov     r1,#((l_XSEG + 255) >> 8)\n");
   fprintf (of, "       mov     dptr,#s_XSEG\n");
   fprintf (of, "       clr     a\n");
   fprintf (of, "00004$:        movx    @dptr,a\n");
   fprintf (of, "       inc     dptr\n");
-  fprintf (of, "       djnz    r1,00004$\n");
   fprintf (of, "       djnz    r0,00004$\n");
+  fprintf (of, "       djnz    r1,00004$\n");
   /* r0 is zero now. Clearing 256 byte assuming 128 byte devices don't mind */
   fprintf (of, "00005$:        mov     @r0,a\n");   
   fprintf (of, "       djnz    r0,00005$\n");