public string Code()
{
ASMCodeBuilder sb = new ASMCodeBuilder();
sb.AppendLabel(HDMA.INITLabel);
if (MainScreenDesignation != MainScreenWindowMaskDesignation || true)
{
sb.OpenNewBlock();
sb.AppendCode("LDA #$" + SumEnumFlag(MainScreenDesignation).ToASMString(), MainScreenDesignation.ToString() + " on main screen (TM)");
sb.AppendCode("STA $" + Registers.MainScreenDesignation.ToASMString());
sb.AppendCode("LDA #$" + SumEnumFlag(MainScreenWindowMaskDesignation).ToASMString(), MainScreenWindowMaskDesignation.ToString() + " on main screen should use windowing. (TMW)");
sb.AppendCode("STA $" + Registers.MainScreenWindow.ToASMString());
sb.CloseBlock();
}
/*else
* {
* sb.OpenNewBlock();
* sb.AppendCode("LDA #$" + SumEnumFlag(MainScreenDesignation).ToASMString(), MainScreenDesignation.ToString() + " on main screen (TM) and window (TMW)");
* sb.AppendCode("STA $" + RAM.MainScreenAndWindowDesignation[RAM.SA1].ToASMString(), "mirror of $212C and $212E");
* sb.CloseBlock();
* }*/
if (SubScreenDesignation != SubScreenWindowMaskDesignation || true)
{
sb.OpenNewBlock();
sb.AppendCode("LDA #$" + SumEnumFlag(SubScreenDesignation).ToASMString(), SubScreenDesignation.ToString() + " on sub screen (TS)");
sb.AppendCode("STA $" + Registers.SubScreenDesignation.ToASMString());
sb.AppendCode("LDA #$" + SumEnumFlag(SubScreenWindowMaskDesignation).ToASMString(), SubScreenWindowMaskDesignation.ToString() + " on sub screen should use windowing. (TSW)");
sb.AppendCode("STA $" + Registers.SubScreenWindow.ToASMString());
sb.CloseBlock();
}
/*else
* {
* sb.OpenNewBlock();
* sb.AppendCode("LDA #$" + SumEnumFlag(SubScreenDesignation).ToASMString(), SubScreenDesignation.ToString() + " on sub screen (TS) and window (TSW)");
* sb.AppendCode("STA $" + RAM.SubScreenAndWindowDesignation[RAM.SA1].ToASMString(), "mirror of $212D and $212F");
* sb.CloseBlock();
* }*/
sb.AppendCode("LDA #$" + SumEnumFlag(ColorMathDesignation).ToASMString(), ColorMathDesignation.ToString() + " for color math");
sb.AppendCode("STA $" + RAM.ColorMathSetting[RAM.SA1].ToASMString(), "mirror of $2131");
sb.CloseBlock();
if (!AddColor || ClipToBlack != 0 || PreventColorMath != 0)
{
sb.OpenNewBlock();
int CGWSEL = (((int)ClipToBlack) << 6) +
(((int)PreventColorMath) << 4) +
(AddColor ? 0 : 2);
sb.AppendCode("LDA #$" + CGWSEL.ToASMString(), "Clip to black: " + ClipToBlack + ", Prevent colot math: " + PreventColorMath);
sb.AppendCode("STA $" + RAM.ColorAdditionSelect[RAM.SA1].ToASMString(), "Add subscreen instead of fixed color: " + !AddColor);
sb.CloseBlock();
}
//mask logic
if (MaskLogicBgs != 0)
{
sb.OpenNewBlock();
sb.AppendCode("LDA #$" + MaskLogicBgs.ToString("X2"), "Mask logic for overlapping windowing on BGs");
sb.AppendCode("STA $" + Registers.WindowingLogicBgs.ToASMString());
sb.CloseBlock();
}
//mask logic
if (MaskLogicObjCol != 0)
{
sb.OpenNewBlock();
sb.AppendCode("LDA #$" + MaskLogicObjCol.ToString("X2"), "Mask logic for overlapping windowing on BGs");
sb.AppendCode("STA $" + Registers.WindowingLogicObjColor.ToASMString());
sb.CloseBlock();
}
int regW12SEL =
(Window1Inverted.HasFlag(WindowingLayers.BG1) ? 0x01 : 0x00) +
(Window1Enabled.HasFlag(WindowingLayers.BG1) ? 0x02 : 0x00) +
(Window2Inverted.HasFlag(WindowingLayers.BG1) ? 0x04 : 0x00) +
(Window2Enabled.HasFlag(WindowingLayers.BG1) ? 0x08 : 0x00) +
(Window1Inverted.HasFlag(WindowingLayers.BG2) ? 0x10 : 0x00) +
(Window1Enabled.HasFlag(WindowingLayers.BG2) ? 0x20 : 0x00) +
(Window2Inverted.HasFlag(WindowingLayers.BG2) ? 0x40 : 0x00) +
(Window2Enabled.HasFlag(WindowingLayers.BG2) ? 0x80 : 0x00);
int regW34SEL =
(Window1Inverted.HasFlag(WindowingLayers.BG3) ? 0x01 : 0x00) +
(Window1Enabled.HasFlag(WindowingLayers.BG3) ? 0x02 : 0x00) +
(Window2Inverted.HasFlag(WindowingLayers.BG3) ? 0x04 : 0x00) +
(Window2Enabled.HasFlag(WindowingLayers.BG3) ? 0x08 : 0x00) +
(Window1Inverted.HasFlag(WindowingLayers.BG4) ? 0x10 : 0x00) +
(Window1Enabled.HasFlag(WindowingLayers.BG4) ? 0x20 : 0x00) +
(Window2Inverted.HasFlag(WindowingLayers.BG4) ? 0x40 : 0x00) +
(Window2Enabled.HasFlag(WindowingLayers.BG4) ? 0x80 : 0x00);
int regWOBJSEL =
(Window1Inverted.HasFlag(WindowingLayers.OBJ) ? 0x01 : 0x00) +
(Window1Enabled.HasFlag(WindowingLayers.OBJ) ? 0x02 : 0x00) +
(Window2Inverted.HasFlag(WindowingLayers.OBJ) ? 0x04 : 0x00) +
(Window2Enabled.HasFlag(WindowingLayers.OBJ) ? 0x08 : 0x00) +
(Window1Inverted.HasFlag(WindowingLayers.Color) ? 0x10 : 0x00) +
(Window1Enabled.HasFlag(WindowingLayers.Color) ? 0x20 : 0x00) +
(Window2Inverted.HasFlag(WindowingLayers.Color) ? 0x40 : 0x00) +
(Window2Enabled.HasFlag(WindowingLayers.Color) ? 0x80 : 0x00);
sb.OpenNewBlock();
if (regW12SEL != 0)
{
sb.AppendCode("LDA #$" + regW12SEL.ToASMString(), "values for enabling/inverting BG1/BG2 on window 1/2");
sb.AppendCode("STA $" + RAM.WindowMaskSettingBG1BG2[RAM.SA1].ToASMString(), "mirror of $2123");
}
if (regW34SEL != 0)
{
if (regW34SEL != regW12SEL) //prevent LDA if A still has valid value from before
{
sb.AppendCode("LDA #$" + regW34SEL.ToASMString(), "values for enabling/inverting BG3/BG4 on window 1/2");
}
sb.AppendCode("STA $" + RAM.WindowMaskSettingBG3BG4[RAM.SA1].ToASMString(), "mirror of $2124");
}
if (regWOBJSEL != 0)
{
if (regWOBJSEL != regW34SEL) //prevent LDA if A still has valid value from before
{
sb.AppendCode("LDA #$" + regWOBJSEL.ToASMString(), "values for enabling/inverting OBJ/Color on window 1/2");
}
sb.AppendCode("STA $" + RAM.WindowMaskSettingOBJColor[RAM.SA1].ToASMString(), "mirror of $2125");
}
if (regW12SEL != 0 || regW34SEL != 0 || regWOBJSEL != 0)
{
sb.AppendComment("Window 1 enabled on " + Window1Enabled.ToString());
sb.AppendComment("Window 2 enabled on " + Window2Enabled.ToString());
sb.AppendComment("Window 1 inverted on " + Window1Inverted.ToString());
sb.AppendComment("Window 2 inverted on " + Window2Inverted.ToString());
}
sb.CloseBlock();
return(sb.ToString());
}
