[Bug 15688] New: DOS games (e.g. Colonel's Bequest) need vga Color plane write enable register
wine-bugs at winehq.org
wine-bugs at winehq.org
Sun Oct 19 22:32:42 CDT 2008
http://bugs.winehq.org/show_bug.cgi?id=15688
Summary: DOS games (e.g. Colonel's Bequest) need vga Color plane
write enable register
Product: Wine
Version: 1.1.6
Platform: Other
URL: http://www.abandonia.com/en/games/218/Laura+Bow+1+-
+The+Colonels+Bequest.html
OS/Version: other
Status: NEW
Keywords: download
Severity: normal
Priority: P2
Component: dos
AssignedTo: wine-bugs at winehq.org
ReportedBy: dank at kegel.com
Several DOS games, e.g. Colonel's Bequest, complain and display nothing
because Wine does not yet support register 0x3c4 index 2:
fixme:ddraw:VGA_ioport_out Unsupported index, register 0x3c4: 0x02 (value 0x01)
fixme:ddraw:VGA_ioport_out Unsupported index, register 0x3c4: 0x02 (value 0x02)
fixme:ddraw:VGA_ioport_out Unsupported index, register 0x3c4: 0x02 (value 0x04)
fixme:ddraw:VGA_ioport_out Unsupported index, register 0x3c4: 0x02 (value 0x08)
http://www.qzx.com/pc-gpe/vgaregs.txt documents this register/index as follows:
Port-Index: 02h Port: 03c4h
usage: Color plane write enable register
d7,d6 Reserved
d3 Plane 3 Write enable
d2 Plane 2 Write enable
d1 Plane 1 Write enable
d0 Plane 0 Write enable
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