X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=sim%2Fucsim%2Fs51.src%2Fregs51.h;h=247ecefe635c67514e53dec67a577041faeb37f5;hb=9f9ac23c9c02e27449d62e58d260cf97e7a1eb9c;hp=fbea3a953de651f268b37ce6039dfab812d04d61;hpb=13f2f0bb5a09a9bb7611c2dc559653349c2bd986;p=fw%2Fsdcc

diff --git a/sim/ucsim/s51.src/regs51.h b/sim/ucsim/s51.src/regs51.h
index fbea3a95..247ecefe 100644
--- a/sim/ucsim/s51.src/regs51.h
+++ b/sim/ucsim/s51.src/regs51.h
@@ -62,6 +62,9 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA
 #define AUXR1	0xa2 /* Secondary Aux Register */
 
 #define DPXL	0x84 /* */
+#define DPL1	0x84 /* 2nd Data Pointer Low byte */
+#define DPH1	0x85 /* 2nd Data Pointer High byte */
+#define DPS	0x86 /* DPS 1H=DPTR is DPL1/DPH1,... */
 #define WDTRST	0xa6 /* */
 #define IE0	0xa8 /* */
 #define SADDR	0xa9 /* */