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A7800Hawk: Light Gun 

-Use Barnyard Blaster algorithm to guess at actual behaviour.
This commit is contained in:
alyosha-tas 2017-07-29 15:49:06 -04:00 committed by GitHub
parent 952a626cf0
commit c38d598739
1 changed files with 16 additions and 7 deletions
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23
BizHawk.Emulation.Cores/Consoles/Atari/A7800Hawk/A7800Hawk.IEmulator.cs
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@ -39,7 +39,8 @@ namespace BizHawk.Emulation.Cores.Atari.A7800Hawk
public float p2_lightgun_x;
public float p2_lightgun_y;
public int lg_counting_down;
public int lg_counting_down2;
public int lg_counting_down_2;
public int lg_counting_down_3;
public bool lg_trigger_hit;
public bool lg_do_once = true;
@ -105,14 +106,22 @@ namespace BizHawk.Emulation.Cores.Atari.A7800Hawk
if (lg_counting_down==0)
{
lg_trigger_hit = true;
lg_counting_down2 = 454*4;
lg_counting_down_2 = 454;
lg_counting_down_3 = 8;
}
}
if (lg_counting_down2 > 0)
if (lg_counting_down_2 > 0)
{
lg_counting_down2--;
if (lg_counting_down2 == 0)
lg_counting_down_2--;
if (lg_counting_down_2 == 0 && lg_counting_down_3 > 0)
{
lg_counting_down_3--;
lg_counting_down_2 = 454;
lg_trigger_hit = true;
}
if (lg_counting_down_2 == 424)
{
lg_trigger_hit = false;
}
@ -252,12 +261,12 @@ namespace BizHawk.Emulation.Cores.Atari.A7800Hawk
float x = p_x == 1 ? p1_lightgun_x : p2_lightgun_x;
float y = p_x == 1 ? p1_lightgun_y : p2_lightgun_y;
if ((maria.scanline - 20) == y)
if ((maria.scanline - 20) == y-4)
{
if (maria.cycle >= (133 + x) && lg_do_once)
{
// return true 61 cycles into the future
lg_counting_down = 61 - (maria.cycle - (int)(133 + x));
lg_counting_down = 64 - (maria.cycle - (int)(133 + x));
lg_do_once = false;
}
}