diff --git a/Makefile b/Makefile
index 400b394e..ee70ad68 100644
--- a/Makefile
+++ b/Makefile
@@ -92,7 +92,7 @@ $(OUT)/rp03.2 $(OUT)/rp03.3: $(OUT)/ka-minsys.tape $(OUT)/minsrc.tape $(OUT)/mag
 	$(EXPECT) -f build/$(EMULATOR)/build.tcl $(IP) $(GW)
 
 $(OUT)/magdmp.tap: $(MAGFRM)
-	cd bin/ka10/boot; ../../../$(MAGFRM) @.ddt @.salv > ../../../$@
+	cd bin/ka10/boot; ../../../$(MAGFRM) magdmp.bin @.ddt @.salv > ../../../$@
 
 $(OUT)/minsrc.tape: $(ITSTAR)
 	$(MKDIR) $(OUT)
diff --git a/bin/ka10/boot/magdmp.bin b/bin/ka10/boot/magdmp.bin
new file mode 100644
index 00000000..33cb6b59
Binary files /dev/null and b/bin/ka10/boot/magdmp.bin differ
diff --git a/bin/ka10/boot/magdmp.rim b/bin/ka10/boot/magdmp.rim
deleted file mode 100644
index e50143fe..00000000
--- a/bin/ka10/boot/magdmp.rim
+++ /dev/null
@@ -1 +0,0 @@
-ฟฟฑ€€€น†€€€ฐฌŒ €€„น‡ €€ˆ• €€€ƒ”ˆ‰ฟฟพน„น€€ˆ•ฐ‰€€ˆ•ฐ‰€€‹žค €€€™€€€—€€€€› €€€•ข€€€•Ÿ €€ƒ• €€€‚ฟฟขฟบ€ธ‚€ณญจ ฟพฌ€ฟพถˆ €€€”ฐ €€†—ˆ €€ –‡ ฟปฅšฑ€ฟบƒปฆ€€€–‡ ฟพž–‡ ฟพš–‡ ฟพฅˆ ฟฟ€–‡ ฟฝถœ  ฟบ—˜ญ€€€ƒ• €ฟปข–ˆ ฐ€–ˆ ฐ–ˆ ฐ‚–‡ ฟพฅ–‡ ฟพฅ• €ฟบญ ฟพณ ฟพฌ–‡ ฟพž–‡ ฟปค €€€€€ ž ฟพต €€€‰ฌ’ฃš’ตฟฟขฟบž‘Š €€ƒฎ€ €€œ’ ฟบค•… €€Œฎ€ €€›ฅ€ฟพท…€ฟพธน“ €€ • €ฟบฅน €€–‡ ฟปฅฆจ €ฟœ ฟบšœ€ €€€œจ ฟบต—ˆ €šˆ ฟพน˜ˆ €€—จ €€ š ฟบ ฐ€ฟ€€‹ฐ €€Šœฆ ฟบฅžž ฟผ˜š” ฟบผฐ” €€ฟ• €ฟบป”” ฟฟบ• €ฟบทฃฌ †ฏฟฟฟขฟบผ–‡ ฟพšงน€€€„ˆ ฟฟ™ตก€€€™–€€• €ฟป†ญก€€‚š” ฟผ“™ฑ €€‰• €ฟป‹—ˆ €€ƒ™ ฟพณ• €ฟบฟšˆ€ฟผฃšŠ€ฟปขšˆ€ฟปข›€€€‰‚€€€ˆ ฟบ€ €€€  ฟพผ˜ฐ€€€ด€ฐฟŸฟ˜€€€ญ•‰กฟฟฟˆค€‚“ˆ €€ƒ” €€–‡ ฟพฅžธ ฟป˜‚ต™ซ‡”ฟฟงฟปš€ฟฟฟงบ ฟพต–‡ ฟพ‘™ ฟพฝ• €ฟปœ–‡ ฟฝŸ™ด€€€• €ฟปŸ– ฟฝž›  ฟฝ“ฎˆ €€น“€€€• €ฟปฅน‘ €€šจ ฟพขˆ €€Š• €ฟปฅฉ ค†„‹  €€ƒ—ˆ €€ –‡ ฟปฅˆ €€ ฐน ฟ€€•ฐƒฟผ‡• €ฟปฌฉทจ…ดธฟฟขฟผ€• €ฟบ˜Š€ฟพพ–‡ ฟปค—Š€€€ƒ™’€ฟพณ• €ฟปซ• €ฟบš–‡ ฟปฅ–‡ ฟปฅ• €ฟผ‚˜˜€€€ญœ’ ฟปŸ–‡ ฟพžšบ ฟผ‘ฌ ฟผšฐ€ฟบš• €ฟบšฎ˜€ฟŸฟ• €ฟ €™น €€‚• €ฟป†€€€ƒ‚€€€• €ฟป†ˆ €€ค–‡ ฟปฅšŽ ฟบ‰‹จ€€€Š˜ฐ€€€ฆ• €ฟผบš…‘šฏฟฟขฟผž˜ฐ€€€ค‘ˆ€€€˜ฐ€€€ง• €ฟผ• €ฟบšด ฟผญ›จ€€€‚‰€—ฉ€€‰‰ฐฑ€€€• €ฟผฌฐ‘€€€—‰€€ถ€—‰€€€ถญŒข€‰Š€ฟพณ˜ฑ€ฟฟฝ• €ฟปข—‰€€€ƒ•€ฟพณ•ข€€€–‚€€ญ”ข€€‚งข €€€–‡ ฟพฅ–‡ ฟพฃปง €€• €ฟผถปข€‡บ€–‡ ฟพš›ž•‡ฟฟขฟผผ€€€€จฉ€ฟฟฝ€ข€€€–‡ ฟพˆ•™€ฟผพ–‡ ฟพŒ–‡ ฟพ™€ ฟพฝ ฐ€‹ €€˜‹ ฐ€˜› €€›ฐ‡€€€œฃ ฟฝ†“ €€ˆญˆง€‚€›ฐ‡€€€›‡€€™› €€• €ฟฝ’˜“ ฟบ€œฃ ฟฝŒ€ €€ˆ—ค€€€‡จ  €€ˆšจ ฟฝ˜–‡ ฟฝŸ• €ฟฝ†€ ฟผ–‡ ฟพˆฐฒ‚Ÿฌ›ฟฟขฟฝš–‡ ฟพˆ–‡ ฟพŒ–‡ ฟพ™–‡ ฟพ™• €ฟบ˜–‡ ฟพˆ„€€€šจ ฟผŠšŠ ฟฝงฆ €€จฎญฟฟฟ—žฐฟŸฟฌ€ €€€€€”Œ€€€ญ„ €€‚˜Œ €€˜Œ ฟนฟŒ €€Œ€ฉ€€€–‡ ฟพˆฉ€€€—„€€€•™€ฟฝจฐ™€ฟฟพ• €ฟฝจ€ €€ˆ• €ฟพˆ€†’€ญ€ป  ฆ‚ช›ฝฟฟขฟฝธ €€ฌ€ฏฟปขŽ€€€ปง €• €ฟฝปปง€€€œฅ€ฟพพปฆ€€€Šฐปง  €€€€€• €ฟพš€†ข€ญ ปก •… €€Š• €ฟฝน›จ€ฟพต• €ฟพ‘˜ญ€€€• €ฟพ–‡ ฟพ„• €ฟปข€€€€ชฐ€œฅ€ฟพข€ชฐ€™ญ€ฟพดœฅ€ฟพข–‡ ฟฝถ• €ฟปขด‘ ผ‹ฟฟฉฟพ–•€ฟพด€€€€• €ฟพ‘ปข€†ช€ปง €€• €ฟพšปข€†‚€–Ÿ €€€ปข€†Š€ปง €€• €ฟพŸปข€‡‚€–Ÿ €€€–ฏ€ฟพงปฆ€€€–ฏ€ฟพงปก €€€ปข€†ฒ€ปง€€€–Ÿ €€€ปง€€€•ฐŽ€€€• €ฟพจ„ดฒ…ฟ™ฟฟฒฟพณ€€€ฟฟ€€€€€€€€€€€€ญกงคญฐค†€€€Œ’†€€€‰ฐ €€ˆ• €ฟบต• €ฟบถ€€ €€ก• €€€•ฐ€€€Šžฝ ฟฝป• €ฟฝฟทงจฃ™• €ฟบ€
\ No newline at end of file
diff --git a/build/pdp10-ka/init b/build/pdp10-ka/init
index 9bba4bae..f0d0fa1d 100644
--- a/build/pdp10-ka/init
+++ b/build/pdp10-ka/init
@@ -1,7 +1,6 @@
 set console wru=034
 set cpu its
 set cpu 512k
-at ptr bin/ka10/boot/magdmp.rim
 at mta0 out/pdp10-ka/magdmp.tap
 at mta5 out/pdp10-ka/ka-minsys.tape
 at dpa0 out/pdp10-ka/rp03.2
@@ -9,4 +8,4 @@ at dpa1 out/pdp10-ka/rp03.3
 at dpa2 out/pdp10-ka/rp03.0
 at dpa3 out/pdp10-ka/rp03.1
 set dpa headers
-b ptr
+b mta0
diff --git a/tools/dasm b/tools/dasm
index 946e272f..16ce6ecb 160000
--- a/tools/dasm
+++ b/tools/dasm
@@ -1 +1 @@
-Subproject commit 946e272f954b6a4d1dd277eb58875edda220d720
+Subproject commit 16ce6ecb6353f8fb5efc6e5f6fdcd547f45323e4