From 8682b7ce22bd03b72af1ccaf65a71046e5303f73 Mon Sep 17 00:00:00 2001
From: notaz <notasas@gmail.com>
Date: Fri, 20 May 2011 14:36:55 +0300
Subject: [PATCH] hexed: refactor init code a bit
---
hexed/hexed.s | 12 +++++++++++-
hexed/sega_gcc.s | 9 ---------
2 files changed, 11 insertions(+), 10 deletions(-)
diff --git a/hexed/hexed.s b/hexed/hexed.s
index b7d9186..418ca5c 100644
--- a/hexed/hexed.s
+++ b/hexed/hexed.s
@@ -262,8 +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 */
diff --git a/hexed/sega_gcc.s b/hexed/sega_gcc.s
index 580d496..13cb300 100644
--- a/hexed/sega_gcc.s
+++ b/hexed/sega_gcc.s
@@ -20,18 +20,9 @@
.ascii " "
.ascii "JUE "
-* Check Version Number
- move.b (0xa10000),%d0
- andi.b #0x0f,%d0
- beq WrongVersion
-* Sega Security Code (SEGA)
- move.l #0x53454741,(0xa14000)
-WrongVersion:
moveq #0,%d0
movea.l %d0,%a7
move %a7,%usp
-
- tst.w 0xC00004
bra main
* INT:
--
2.39.5