diff --git a/test/asm/cpudetect.s b/test/asm/cpudetect.s
index adad7c1dc..6362b98bc 100644
--- a/test/asm/cpudetect.s
+++ b/test/asm/cpudetect.s
@@ -24,6 +24,10 @@
    taz
 .endif
 
+.ifpdtv
+   sac #00
+.endif
+
 
 ; step 2: check for bitwise compatibility of instructions sets
 ;         (made verbose for better reading with hexdump/hd(1))
@@ -64,3 +68,7 @@
    .byte 0,"CPU_ISET_4510"
 .endif
 
+.if (.cpu .bitand CPU_ISET_6502DTV)
+   .byte 0,"CPU_ISET_6502DTV"
+.endif
+