diff --git a/hw/lsi53c895a.c b/hw/lsi53c895a.c
index da9e5ac..3c23ddc 100644
--- a/hw/lsi53c895a.c
+++ b/hw/lsi53c895a.c
@@ -1403,6 +1403,7 @@ static uint8_t lsi_reg_readb(LSIState *s, int offset)
     CASE_GET_REG24(dbc, 0x24)
     case 0x27: /* DCMD */
         return s->dcmd;
+    CASE_GET_REG32(dnad, 0x28)
     CASE_GET_REG32(dsp, 0x2c)
     CASE_GET_REG32(dsps, 0x30)
     CASE_GET_REG32(scratch[0], 0x34)
@@ -1595,6 +1596,7 @@ static void lsi_reg_writeb(LSIState *s, int offset, uint8_t val)
         }
         s->ctest5 = val;
         break;
+    CASE_SET_REG32(dnad, 0x28)
     case 0x2c: /* DSP[0:7] */
         s->dsp &= 0xffffff00;
         s->dsp |= val;