BIOS calls: Difference between revisions

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[[Category:Code]]
[[Category:Code]]
[[Category:CPUs]]
[[Category:Base system]]

Revision as of 15:21, 21 April 2011

Please see ASM Defines or C Defines for the hex addresses.

Jump tables

Call address NEO-EP0 AES BIOS "SP-E" MVS BIOS "TOP-SP1-1" CDM3-2 BIOS "NEOCD.BIN" CDZ BIOS
$C00402 to $C00432 Entry point
$C00438 VBlank handler for boot process (?)
$C0043E ? RTS
$C00444 Some games JMP here
$C0044A BIOSF_VBL
$C00450,$C00456 ?
$C0045C RTS BIOSF_GETTIME RTS
$C00462 RTS ? RTS
$C00468 BIOSF_CRDACCESS ?
$C0046E BIOSF_CRDREPORT ?
$C00474 BIOSF_HOWTOPLAY? BIOSF_HOWTOPLAY RTS
$C0047A ? RTS
$C00480 to $C004BC RTS
$C004C2 BIOSF_CLEARFIX
$C004C8 BIOSF_CLEARSPR
$C004CE, $C004D4 ?
$C004DA RTS HBlank handler
$C004E0 to $C004F2 Invalid $FF0000 range register operations and RTEs
$C004F8 to $C0051C Invalid RTS
$C00522 to $C00540 Invalid ?
$C00546 Invalid BIOSF_UPLOAD
$C0054C Invalid ?
$C00522 Invalid BIOSF_LOADFILE
$C00558 Invalid ?
$C0055E Invalid BIOSF_CDPLAYER
$C00564 Invalid BIOSF_LOADFILEX (?)
$C0056A Invalid BIOSF_CDDACMD
$C00570 Invalid BIOSF_VIDEOEN
$C00576 to $C00582 Invalid ?
$C00588 to $C00594 Invalid RTS ?
$C0059A to $C006FC Invalid RTS

Generic BIOS calls

BIOS calls common to every system.

AES/MVS only BIOS calls

CD only BIOS calls

CDZ only BIOS calls

Check track 0 ? Copy protection