hexed: 32x support

diff --git a/hexed/hexed.s b/hexed/hexed.s
index 99d1c08..9a5f380 100644 (file)
--- a/hexed/hexed.s
+++ b/hexed/hexed.s
@@ -203,7 +203,8 @@ sprite_data_end:
 
 predef_addrs:
        dc.l 0x000000, 0x200000, 0x400000, 0xa00000, 0xa10000
-       dc.l 0xa11100, 0xa12000, 0xa13000, 0xa14000, 0xc00000
+       dc.l 0xa11100, 0xa12000, 0xa13000, 0xa14000, 0xa15100
+       dc.l 0xc00000
 predef_addrs_end:
 
 safe_addrs:
@@ -214,6 +215,10 @@ safe_addrs:
        dc.l 0xa12000, 0xa120ff
        dc.l 0xa13000, 0xa130ff
 safe_addrs_end:
+       dc.l 0xa15100, 0xa1513f
+safe_addrs_end_32x:
+       dc.l 0xa15180, 0xa153ff
+safe_addrs_end_32x_vdp:
 
 sizeof_bin:
        dc.l _edata
@@ -1402,6 +1407,19 @@ get_safety_mask:
        lsr.l           #8,d1
        lea             (safe_addrs,pc),a1
        move.w          #(safe_addrs_end - safe_addrs)/8-1,d2
+       cmp.l           #0x4D415253,(0xa130ec)  /* 'MARS' */
+       bne             no_32x
+       move.w          #(safe_addrs_end_32x - safe_addrs)/8-1,d2
+       move.w          (0xa15100),d0
+       and.w           #3,d0
+       cmp.w           #3,d0                   /* ADEN and nRES */
+       bne             no_32x_vdp
+       btst.b          #7,d0                   /* FM */
+       bne             no_32x_vdp
+       move.w          #(safe_addrs_end_32x_vdp - safe_addrs)/8-1,d2
+no_32x_vdp:
+no_32x:
+
 0:
        move.l          (a1)+,d0
        cmp.l           d0,d1