diff --git a/test/asm/6502dtv-cpudetect.ref b/test/asm/6502dtv-cpudetect.ref
index 59278e80a..77a865eb4 100644
Binary files a/test/asm/6502dtv-cpudetect.ref and b/test/asm/6502dtv-cpudetect.ref differ
diff --git a/test/asm/6502dtv-opcodes.ref b/test/asm/6502dtv-opcodes.ref
new file mode 100644
index 000000000..408d89be2
Binary files /dev/null and b/test/asm/6502dtv-opcodes.ref differ
diff --git a/test/asm/6502dtv-opcodes.s b/test/asm/6502dtv-opcodes.s
new file mode 100644
index 000000000..f2446cbe0
--- /dev/null
+++ b/test/asm/6502dtv-opcodes.s
@@ -0,0 +1,258 @@
+.setcpu "6502DTV"
+
+   brk
+   ora     ($12,x)
+   .byte   $02
+   .byte   $03
+   nop     $12
+   ora     $12
+   asl     $12
+   .byte   $07
+   php
+   ora     #$12
+   asl     a
+   anc     #$12
+   nop     $3456
+   ora     $3456
+   asl     $3456
+   .byte   $0f
+   bpl     *+122
+   ora     ($12),y
+   bra     *+122
+   .byte   $13
+   nop     $12,x
+   ora     $12,x
+   asl     $12,x
+   .byte   $17
+   clc
+   ora     $3456,y
+   .byte   $1a         ; nop
+   .byte   $1b
+   nop     $3456,x
+   ora     $3456,x
+   asl     $3456,x
+   .byte   $1f
+   jsr     $3456
+   and     ($12,x)
+   .byte   $22
+   rla     ($12,x)
+   bit     $12
+   and     $12
+   rol     $12
+   rla     $12
+   plp
+   and     #$12
+   rol     a
+   .byte   $2b,$12     ; anc     #$12
+   bit     $3456
+   and     $3456
+   rol     $3456
+   rla     $3456
+   bmi     *+122
+   and     ($12),y
+   sac     #$12
+   rla     ($12),y
+   .byte   $34,$12     ; nop     $12,x
+   and     $12,x
+   rol     $12,x
+   rla     $12,x
+   sec
+   and     $3456,y
+   .byte   $3a         ; nop
+   rla     $3456,y
+   .byte   $3c,$56,$34 ; nop     $3456,x
+   and     $3456,x
+   rol     $3456,x
+   rla     $3456,x
+   rti
+   eor     ($12,x)
+   sir     #$12
+   .byte   $43
+   .byte   $44,$12     ; nop     $12
+   eor     $12
+   lsr     $12
+   .byte   $47
+   pha
+   eor     #$12
+   lsr     a
+   alr     #$12
+   jmp     $3456
+   eor     $3456
+   lsr     $3456
+   .byte   $4f
+   bvc     *+122
+   eor     ($12),y
+   .byte   $52
+   .byte   $53
+   .byte   $54,$12     ; nop     $12,x
+   eor     $12,x
+   lsr     $12,x
+   .byte   $57
+   cli
+   eor     $3456,y
+   .byte   $5a         ; nop
+   .byte   $5b
+   .byte   $5c,$56,$34 ; nop     $3456,x
+   eor     $3456,x
+   lsr     $3456,x
+   .byte   $5f
+   rts
+   adc     ($12,x)
+   .byte   $62
+   rra     ($12,x)
+   .byte   $64,$12     ; nop     $12
+   adc     $12
+   ror     $12
+   rra     $12
+   pla
+   adc     #$12
+   ror     a
+   arr     #$12
+   jmp     ($3456)
+   adc     $3456
+   ror     $3456
+   rra     $3456
+   bvs     *+122
+   adc     ($12),y
+   .byte   $72
+   rra     ($12),y
+   .byte   $74,$12     ; nop     $12,x
+   adc     $12,x
+   ror     $12,x
+   rra     $12,x
+   sei
+   adc     $3456,y
+   .byte   $7a         ; nop
+   rra     $3456,y
+   .byte   $7c,$56,$34 ; nop     $3456,x
+   adc     $3456,x
+   ror     $3456,x
+   rra     $3456,x
+   nop     #$12
+   sta     ($12,x)
+   .byte   $82,$12     ; nop     #$12
+   .byte   $83
+   sty     $12
+   sta     $12
+   stx     $12
+   .byte   $87
+   dey
+   .byte   $89,$12     ; nop     #$12
+   txa
+   .byte   $8b
+   sty     $3456
+   sta     $3456
+   stx     $3456
+   .byte   $8f
+   bcc     *+122
+   sta     ($12),y
+   .byte   $92
+   .byte   $93
+   sty     $12,x
+   sta     $12,x
+   stx     $12,y
+   .byte   $97
+   tya
+   sta     $3456,y
+   txs
+   .byte   $9b
+   shy     $3456,x
+   sta     $3456,x
+   shx     $3456,y
+   .byte   $9f
+   ldy     #$12
+   lda     ($12,x)
+   ldx     #$12
+   lax     ($12,x)
+   ldy     $12
+   lda     $12
+   ldx     $12
+   lax     $12
+   tay
+   lda     #$12
+   tax
+   lax     #$12
+   ldy     $3456
+   lda     $3456
+   ldx     $3456
+   lax     $3456
+   bcs     *+122
+   lda     ($12),y
+   .byte   $b2
+   lax     ($12),y
+   ldy     $12,x
+   lda     $12,x
+   ldx     $12,y
+   lax     $12,y
+   clv
+   lda     $3456,y
+   tsx
+   las     $3456,y
+   ldy     $3456,x
+   lda     $3456,x
+   ldx     $3456,y
+   lax     $3456,y
+   cpy     #$12
+   cmp     ($12,x)
+   .byte   $c2,$12     ; nop     #$12
+   .byte   $c3
+   cpy     $12
+   cmp     $12
+   dec     $12
+   .byte   $c7
+   iny
+   cmp     #$12
+   dex
+   axs     #$12
+   cpy     $3456
+   cmp     $3456
+   dec     $3456
+   .byte   $cf
+   bne     *+122
+   cmp     ($12),y
+   .byte   $d2
+   .byte   $d3
+   .byte   $d4,$12     ; nop     $12,x
+   cmp     $12,x
+   dec     $12,x
+   .byte   $d7
+   cld
+   cmp     $3456,y
+   .byte   $da         ; nop
+   .byte   $db
+   .byte   $dc,$56,$34 ; nop     $3456,x
+   cmp     $3456,x
+   dec     $3456,x
+   .byte   $df
+   cpx     #$12
+   sbc     ($12,x)
+   .byte   $e2,$12     ; nop     #$12
+   .byte   $e3
+   cpx     $12
+   sbc     $12
+   inc     $12
+   .byte   $e7
+   inx
+   sbc     #$12
+   nop
+   .byte   $eb,$12     ; sbc     #$12
+   cpx     $3456
+   sbc     $3456
+   inc     $3456
+   .byte   $ef
+   beq     *+122
+   sbc     ($12),y
+   .byte   $f2
+   .byte   $f3
+   .byte   $f4,$12     ; nop     $12,x
+   sbc     $12,x
+   inc     $12,x
+   .byte   $f7
+   sed
+   sbc     $3456,y
+   .byte   $fa         ; nop
+   .byte   $fb
+   .byte   $fc,$56,$34 ; nop     $3456,x
+   sbc     $3456,x
+   inc     $3456,x
+   .byte   $ff
diff --git a/test/asm/readme.txt b/test/asm/readme.txt
index a2b1e9a41..2fee0239c 100644
--- a/test/asm/readme.txt
+++ b/test/asm/readme.txt
@@ -24,7 +24,7 @@ leftover dummy opcode parameters with something more recognizable.
 
 The testcases for 6502, 6502x, 65sc02, 65c02, 4510, and huc6280 have been
 put together by Sven Oliver ("SvOlli") Moll, as well as a template for the
-m740 instructions set.
+m740 instructions set. Later 6502dtv support was also added.
 
 Still to do is to find a way to implement an opcode testcase for the 65816
 processor, since it's capable of executing instructions with an 8-bit and