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https://github.com/project-slippi/Nintendont.git
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afcfa4b653
-completely restructured how internal wii vc titles get read in, again hopefully it didnt break anything
45 lines
1.2 KiB
ArmAsm
45 lines
1.2 KiB
ArmAsm
/*
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CheckTestMenuYakyuu.S for Nintendont (Kernel)
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Copyright (C) 2015 FIX94
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation version 2.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include <asm.h>
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.set IN_TESTMENU, 0xD3003080 #uncached for kernel
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#r6 is unused at this point
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CheckTestMenu:
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#original instruction
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extrwi %r0, %r0, 8,19
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lis %r6, IN_TESTMENU@h
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cmpwi %r0, 0
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bne DoCheck
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b end #No Test Menu, just exit
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DoCheck: #Test Menu requested, make sure it wasnt loaded
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lwz %r0, IN_TESTMENU@l(%r6)
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cmpwi %r0, 0
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bne Disallow
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Allow: #Not loaded previously, enter test menu
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li %r0, 1
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b end
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Disallow: #Test Menu previously loaded so disallow
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li %r0, 0
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end: #Always save current status for next time
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stw %r0, IN_TESTMENU@l(%r6)
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blr
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