X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=hexed%2Fhexed.s;h=418ca5c4069ab4a9a387c5e8b17c85c122bc49fb;hb=4e6ba16d44cf7d8f4c84712c1dc59738f0a2048d;hp=3746191e57432a7f2abe2eb1232fb92240ec3b1b;hpb=272bd2ec7473ac1f7f29b27752f5402283306cce;p=megadrive.git

diff --git a/hexed/hexed.s b/hexed/hexed.s
index 3746191..418ca5c 100644
--- a/hexed/hexed.s
+++ b/hexed/hexed.s
@@ -215,6 +215,9 @@ safe_addrs:
 	dc.l 0xa13000, 0xa130ff
 safe_addrs_end:
 
+sizeof_bin:
+	dc.l _edata
+
 txt_edit:
 	.ascii	"- edit -\0"
 txt_a_confirm:
@@ -259,8 +262,18 @@ txt_exc:
 main:
 	/* make sure io port 2 is doing inputs */
 	move.b		#0,(0xa1000b).l
-	/* mask irqs during init */
+	/* make sure irqs are masked */
 	move.w		#0x2700,sr
+	/* take care of TMSS */
+	move.b		(0xa10000).l,d0
+	andi.b		#0x0f,d0
+	beq		no_tmss
+	move.l		#0x53454741,(0xa14000).l
+	/* want cart, not OS rom if cart pops in */
+	move.w		#1,(0xa14100).l
+	/* touch VDP after TMSS setup? */
+	tst.w		(0xc00004).l
+no_tmss:
 
 .if COPY_TO_EXP
 	/* copy to expansion device if magic number is set */
@@ -269,7 +282,8 @@ main:
 	bne		0f
 
 	move.l		#0,a0
-	move.w		#0x2000/8-1,d0
+	move.l		(sizeof_bin,pc),d0
+	lsr.l		#3,d0
 1:
 	move.l		(a0)+,(a1)+
 	move.l		(a0)+,(a1)+
@@ -286,7 +300,8 @@ main:
 
 	/* copy, assume 8K size */
 	move.l		#0xFF0100,a1
-	move.w		#0x2000/8-1,d0
+	move.l		(sizeof_bin,pc),d0
+	lsr.l		#3,d0
 1:
 	move.l		(a0)+,(a1)+
 	move.l		(a0)+,(a1)+