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trs/coco.cpp: Fix light gun offset (#12242)

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tim lindner 2024-04-14 09:42:17 -07:00 committed by GitHub
parent f5cb973276
commit 34f958cbd2
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src/mame/trs/coco.cpp
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@ -863,7 +863,7 @@ void coco_state::diecom_lightgun_clock()
/* while in full state 15, prepare to check next video frame for a hit */
if (m_dclg_state == 15)
{
int dclg_vpos = m_diecom_lightgun.input(sel2() ? 1 : 0, 1) - 12;
int dclg_vpos = m_diecom_lightgun.input(sel2() ? 1 : 0, 1) + 12;
m_dclg_timer = m_diecom_lightgun.input(sel2() ? 1 : 0, 0);
int horizontal_pixel = ((m_dclg_timer - 105.) / (420. - 110.0)) * (639.0 - 0.0) + 0.0;
attotime dclg_time = m_screen->time_until_pos(dclg_vpos, horizontal_pixel);