69 lines
2.9 KiB
C++
69 lines
2.9 KiB
C++
//////////////////////////////////////////////////////////////////////////
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// Zapper //
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//////////////////////////////////////////////////////////////////////////
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void EXPAD_Zapper::Reset()
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{
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zapper_button = 0;
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zapper_offscreen = 0;
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}
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BYTE EXPAD_Zapper::Read4017()
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{
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BYTE data = 0x08;
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if( zapper_button ) {
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data |= 0x10;
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zapper_offscreen = zapper_button & 0x02;
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}
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if( nes->GetZapperHit() ) {
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if( DirectDraw.GetZapperHit() >= 0x40 )
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data &= ~0x08;
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}
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// Fire offscreen with right mouse button
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if ( zapper_offscreen )
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data |= 0x08;
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// Fire at the screen with left mouse button
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if ( zapper_button & 0x01 )
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zapper_offscreen = 0;
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return data;
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}
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void EXPAD_Zapper::Sync()
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{
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nes->GetZapperPos( zapper_x, zapper_y );
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zapper_button = 0;
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if( ::GetAsyncKeyState(VK_LBUTTON)&0x8000 )
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zapper_button |= 0x01;
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else if( ::GetAsyncKeyState(VK_RBUTTON)&0x8000 )
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zapper_button |= 0x02;
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}
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void EXPAD_Zapper::SetSyncData( INT type, LONG data )
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{
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if( type == 0 ) {
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zapper_x = data;
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} else if( type == 1 ) {
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zapper_y = data;
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} else if( type == 2 ) {
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zapper_button = (BYTE)(data&0x03);
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}
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}
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LONG EXPAD_Zapper::GetSyncData( INT type )
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{
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LONG data = 0;
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if( type == 0 ) {
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data = zapper_x;
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} else if( type == 1 ) {
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data = zapper_y;
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} else if( type == 2 ) {
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data = (zapper_button&0x03);
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}
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return data;
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} |