per-line scrolling test

[mdlife] / src / startup.s

diff --git a/src/startup.s b/src/startup.s
index 2b5b7a7..785a0b5 100644 (file)
--- a/src/startup.s
+++ b/src/startup.s
@@ -7,9 +7,12 @@
 start:
        jsr disable_intr
 
+       move.b 0xa10001, %d0
+       and.b #0xf, %d0
+       beq.s skip_tmss
        | write SEGA to 0xa14000 to convince the TMSS to run us
-       move.l 0x100, %d0
-       move.l %d0, 0xa14000
+       move.l #0x53454741, 0xa14000
+skip_tmss:
 
        | copy .data section from ROM to RAM
        move.l #_data_lma, %a0