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first checked in. Seems to be working.

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This commit is contained in:
ehouse 2004-09-19 03:31:10 +00:00
parent 53cea797aa
commit 7d5117e42c
1 changed files with 90 additions and 0 deletions
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xwords4/palm/pnolet.c Normal file
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/* -*-mode: C; fill-column: 78; c-basic-offset: 4; -*- */
/*
* Copyright 2004 by Eric House (fixin@peak.org). All rights reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include <PceNativeCall.h>
#include "pnostate.h"
#include "pace_gen.h"
unsigned long
ArmletEntryPoint( const void *emulStateP,
void *userData68KP,
Call68KFuncType* call68KFuncP )
{
PNOState* loc;
PNOState state;
PnoletUserData* dataP;
char* str;
unsigned long result;
unsigned long oldR10;
loc = getStorageLoc();
dataP = (PnoletUserData*)userData68KP;
dataP->stateSrc = (PNOState*)Byte_Swap32((unsigned long)&state);
dataP->stateDest = (PNOState*)Byte_Swap32((unsigned long)loc);
state.emulStateP = emulStateP;
state.call68KFuncP = call68KFuncP;
state.gotTable = (unsigned long*)
Byte_Swap32((unsigned long)dataP->gotTable);
{
unsigned char stack[] = {
ADD_TO_STACK4(userData68KP, 0)
};
(*call68KFuncP)( emulStateP,
Byte_Swap32((unsigned long)dataP->storageCallback),
stack, sizeof(stack) );
}
asm( "mov %0, r10" : "=r" (oldR10) );
asm( "mov r10, %0" : : "r" (state.gotTable) );
str = "Launching PilotMain";
WinDrawChars( str, StrLen(str), 5, 100 );
result = PilotMain( Byte_Swap16(dataP->cmd),
Byte_Swap32(dataP->cmdPBP),
Byte_Swap16(dataP->launchFlags) );
str = "back from PilotMain";
WinDrawChars( str, StrLen(str), 5, 150 );
asm( "mov r10, %0" : : "r" (oldR10) );
return result;
}
PNOState*
getStorageLoc()
{
PNOState* loc;
asm( "mov %0,pc" : "=r" (loc) );
asm( "add %0, %1, #8" : "=r" (loc) : "r" (loc) );
asm( "bal done" );
asm( "nop" );
asm( "nop" );
asm( "nop" );
asm( "nop" );
asm( "nop" );
asm( "nop" );
asm( "nop" );
asm( "done:" );
return loc;
}