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Intellivision fix colored square mode

This commit is contained in:
alyosha-tas 2016-12-13 16:42:12 -05:00 committed by GitHub
parent 8c57dd98f3
commit 16c1468903
1 changed files with 30 additions and 0 deletions
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30
BizHawk.Emulation.Cores/Consoles/Intellivision/STIC.cs
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@ -68,6 +68,11 @@ namespace BizHawk.Emulation.Cores.Intellivision
return Sr2;
}
public void ToggleSr2()
{
Sr2 = !Sr2;
}
public void SetSst(bool value)
{
Sst = value;
@ -277,10 +282,25 @@ namespace BizHawk.Emulation.Cores.Intellivision
{
// Colored Squares Mode.
int[] colors = new int[4];
int[] square_col = new int[4];
colors[0] = fg;
colors[1] = (card >> 3) & 0x0007;
colors[2] = (card >> 6) & 0x0007;
colors[3] = ((card >> 11) & 0x0004) | ((card >> 9) & 0x0003);
for (int z=0;z<4;z++)
{
if (colors[z]==7)
{
colors[z] = ReadMemory(ColorSP) & 0x000F;
square_col[z] = 0;
}
else
{
square_col[z] = 1;
}
}
for (int squares_row = 0; squares_row < 8; squares_row++)
{
for (int squares_col = 0; squares_col < 8; squares_col++)
@ -316,6 +336,16 @@ namespace BizHawk.Emulation.Cores.Intellivision
}
}
BGBuffer[pixel] = ColorToRGBA(colors[color]);
// also if the pixel is on set it in the collision matrix
// note that the collision field is attached to the lower right corner of the BG
// so we add 8 to x and 16 to y here
// also notice the extra condition attached to colored squares mode
if ((card_col * 8 + (7 - squares_col) + 8) < 167 && square_col[color]==1)
{
Collision[card_col * 8 + (7 - squares_col) + 8, (card_row * 8 + squares_row) * 2 + 16] = 1 << 8;
Collision[card_col * 8 + (7 - squares_col) + 8, (card_row * 8 + squares_row) * 2 + 16 + 1] = 1 << 8;
}
}
}
continue;