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Partially implemented player0 graphics, this time in a more organized fashion

This commit is contained in:
pjgat09 2012-03-10 18:12:12 +00:00
parent ab2e19af32
commit 3e67e78da2
1 changed files with 28 additions and 20 deletions
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48
BizHawk.Emulation/Consoles/Atari/2600/TIA.cs
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@ -11,11 +11,22 @@ namespace BizHawk.Emulation.Consoles.Atari
{
MOS6502 Cpu;
UInt32 PF; // PlayField data
byte BKcolor, PFcolor, P0color;
byte grp0;
byte resetP0 = 0;
byte BKcolor, PFcolor;
bool PFpriority = false;
bool P0Reflect = false;
struct playerData
{
public byte grp;
public byte color;
public byte pos;
public byte HM;
public bool reflect;
public bool delay;
public byte nusiz;
};
playerData player0;
playerData player1;
int[] frameBuffer;
public bool frameComplete;
@ -103,16 +114,16 @@ namespace BizHawk.Emulation.Consoles.Atari
}
// Player 1
if (pixelPos >= resetP0 && pixelPos < (resetP0 + 8))
if (pixelPos >= player0.pos && pixelPos < (player0.pos + 8))
{
byte mask = (byte)(0x80 >> (pixelPos - resetP0));
if (P0Reflect)
byte mask = (byte)(0x80 >> (pixelPos - player0.pos));
if (player0.reflect)
{
mask = reverseBits(mask);
}
if ((grp0 & mask) != 0)
if ((player0.grp & mask) != 0)
{
color = palette[P0color];
color = palette[player0.color];
}
}
@ -202,7 +213,7 @@ namespace BizHawk.Emulation.Consoles.Atari
}
else if (maskedAddr == 0x06) // COLUP0
{
P0color = value;
player0.color = value;
}
else if (maskedAddr == 0x08) // COLUPF
{
@ -225,14 +236,7 @@ namespace BizHawk.Emulation.Consoles.Atari
}
else if (maskedAddr == 0x0B) // REFP0
{
if ((value & 0x04) != 0)
{
P0Reflect = true;
}
else
{
P0Reflect = false;
}
player0.reflect = ((value & 0x04) != 0);
}
else if (maskedAddr == 0x0D) // PF0
{
@ -248,11 +252,15 @@ namespace BizHawk.Emulation.Consoles.Atari
}
else if (maskedAddr == 0x10) // RESP0
{
resetP0 = (byte)(scanlinePos - 68);
player0.pos = (byte)(scanlinePos - 68);
}
else if (maskedAddr == 0x1B) // GRP0
{
grp0 = value;
player0.grp = value;
}
else if (maskedAddr == 0x1C) // GRP1
{
player1.grp = value;
}
}