X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=megaed-stop-md%2Fsega_gcc.s;fp=megaed-stop-md%2Fsega_gcc.s;h=5619334f394efd543fcc510c071e9e90b5b47075;hb=25055eb3669856af621f38756215f56bdb1ce9e0;hp=0000000000000000000000000000000000000000;hpb=eea25dd137e6a818db0a31e35cd57090c47dff08;p=megadrive.git

diff --git a/megaed-stop-md/sega_gcc.s b/megaed-stop-md/sega_gcc.s
new file mode 100644
index 0000000..5619334
--- /dev/null
+++ b/megaed-stop-md/sega_gcc.s
@@ -0,0 +1,41 @@
+    dc.l     0, RST,   exc__, exc__, exc__, exc__, exc__, exc__
+    dc.l exc__, exc__, exc__, exc__, exc__, exc__, exc__, exc__
+    dc.l exc__, exc__, exc__, exc__, exc__, exc__, exc__, exc__
+    dc.l exc__, exc__, exc__, exc__, HBL,   exc__, VBL,   exc__
+    dc.l exc__, exc__, exc__, exc__, exc__, exc__, exc__, exc__
+    dc.l exc__, exc__, exc__, exc__, exc__, exc__, exc__, exc__
+    dc.l exc__, exc__, exc__, exc__, exc__, exc__, exc__, exc__
+    dc.l exc__, exc__, exc__, exc__, exc__, exc__, exc__, exc__
+
+    .ascii "SEGA                            "
+    .ascii "MEGA-ED SDRAM vs STOP                           "
+    .ascii "MEGA-ED SDRAM vs STOP                           "
+    .ascii "GM 00000000-00"
+    .byte 0x00,0x00
+    .ascii "JD              "
+    .byte 0x00,0x00,0x00,0x00,0x00,0x02,0x00,0x00
+    .byte 0x00,0xff,0x00,0x00,0xff,0xff,0xff,0xff
+    .ascii "               "
+    .ascii "                        "
+    .ascii "                         "
+    .ascii "JUE             "
+
+RST:
+    move.w #0x2700, %sr
+
+    move.b (0xA10001), %d0
+    andi.b #0x0F, %d0
+    beq.s 0f
+    move.l  #0x53454741, (0xA14000) /* 'SEGA' */
+0:
+    moveq.l #0, %d0
+    movea.l %d0, %a7
+    move.l  %a7, %usp
+    bra     main
+
+HBL:
+VBL:
+exc__:
+    rte
+
+# vim:filetype=asmM68k:ts=4:sw=4:expandtab