testpico: more on timer reload

[megadrive.git] / megaed-stop / sega_gcc.s

    dc.l     0, 0x200, exc__, exc__, exc__, exc__, exc__, exc__\r
    dc.l exc__, exc__, exc__, exc__, exc__, exc__, exc__, exc__\r
    dc.l exc__, exc__, exc__, exc__, exc__, exc__, exc__, exc__\r
    dc.l exc__, exc__, exc__, exc__, HBL,   exc__, VBL,   exc__\r
    dc.l exc__, exc__, exc__, exc__, exc__, exc__, exc__, exc__\r
    dc.l exc__, exc__, exc__, exc__, exc__, exc__, exc__, exc__\r
    dc.l exc__, exc__, exc__, exc__, exc__, exc__, exc__, exc__\r
    dc.l exc__, exc__, exc__, exc__, exc__, exc__, exc__, exc__\r
\r
    .ascii "SEGA EVERDRIVE                  "\r
    .ascii "MEGA-ED SDRAM vs STOP                           "\r
    .ascii "MEGA-ED SDRAM vs STOP                           "\r
    .ascii "GM 00000000-00"\r
    .byte 0x00,0x00\r
    .ascii "JD              "\r
    .byte 0x00,0x00,0x00,0x00,0x00,0x02,0x00,0x00\r
    .byte 0x00,0xff,0x00,0x00,0xff,0xff,0xff,0xff\r
    .ascii "               "\r
    .ascii "                        "\r
    .ascii "                         "\r
    .ascii "JUE             "\r
\r
RST:\r
	move.w #0x2700, %sr\r
/* magic ED app init */\r
	move.w #0x0000, (0xA13006)\r
	jmp init_ed.l\r
init_ed:\r
	move.w #0x210f, (0xA13006)\r
    move.l #HBL, (0x70)\r
    move.l #VBL, (0x78)\r
\r
	moveq   #0, %d0\r
	movea.l %d0, %a7\r
	move    %a7, %usp\r
	bra     main\r
\r
HBL:\r
VBL:\r
exc__:\r
	rte\r
\r
# vim:filetype=asmM68k:ts=4:sw=4:expandtab\r