diff --git a/test/nonfunctional/shaders/mame/mame_hlsl.slangp b/test/nonfunctional/shaders/mame/mame_hlsl.slangp
index 3b44814..07fdb67 100644
--- a/test/nonfunctional/shaders/mame/mame_hlsl.slangp
+++ b/test/nonfunctional/shaders/mame/mame_hlsl.slangp
@@ -17,6 +17,7 @@ shader2 = ../../../../retro/shaders/sharp-bilinear.slang
 alias2 = PrescalePass
 scale_type2 = source
 filter_linear2 = true
+scale2 = 4.0
 
 shader3 = mame_deconverge.slang
 alias3 = DeconvergePass
@@ -25,8 +26,7 @@ filter_linear3 = true
 shader4 = mame_scanline.slang
 alias4 = ScanlinePass
 filter_linear4 = true
-scale_type4 = source
-scale4 = 4.0
+scale_type4 = viewport
 
 shader5 = mame_focus.slang
 alias5 = FocusPass
@@ -63,4 +63,16 @@ filter_linear12 = true
 
 # mame's textures are available here: https://github.com/mamedev/mame/tree/master/artwork
 textures = "MaskTexture"
-MaskTexture = slot-mask.png
\ No newline at end of file
+MaskTexture = slot-mask.png
+
+parameters = "AUTO_PRESCALE;chromaa_x;chromaa_y;chromab_x;chromab_y;chromac_x;chromac_y;ygain_r;ygain_g;ygain_b"
+chromaa_x = "0.630"
+chromaa_y = "0.340"
+chromab_x = "0.310"
+chromab_y = "0.595"
+chromac_x = "0.155"
+chromac_y = "0.070"
+ygain_r = "0.1875"
+ygain_g = "0.6940"
+ygain_b = "0.1185"
+AUTO_PRESCALE = "0.0"
diff --git a/test/nonfunctional/shaders/mame/mame_ntsc.slang.ps.hlsl b/test/nonfunctional/shaders/mame/mame_ntsc.slang.ps.hlsl
deleted file mode 100644
index 933096f..0000000
--- a/test/nonfunctional/shaders/mame/mame_ntsc.slang.ps.hlsl
+++ /dev/null
@@ -1,379 +0,0 @@
-cbuffer global : register(b0)
-{
-    row_major float4x4 global_MVP : packoffset(c0);
-};
-cbuffer params : register(b1)
-{
-    float4 params_SourceSize : packoffset(c0);
-    float4 params_OriginalSize : packoffset(c1);
-    float4 params_OutputSize : packoffset(c2);
-    uint params_FrameCount : packoffset(c3);
-    float params_avalue : packoffset(c3.y);
-    float params_bvalue : packoffset(c3.z);
-    float params_ccvalue : packoffset(c3.w);
-    float params_ovalue : packoffset(c4);
-    float params_pvalue : packoffset(c4.y);
-    float params_scantime : packoffset(c4.z);
-    float params_notchhalfwidth : packoffset(c4.w);
-    float params_yfreqresponse : packoffset(c5);
-    float params_ifreqresponse : packoffset(c5.y);
-    float params_qfreqresponse : packoffset(c5.z);
-    float params_signaloffset : packoffset(c5.w);
-    float params_ntscsignal : packoffset(c6);
-};
-Texture2D<float4> Source : register(t2);
-SamplerState _Source_sampler : register(s2);
-
-static float4 FragColor;
-static float2 vTexCoord;
-
-struct SPIRV_Cross_Input
-{
-    float2 vTexCoord : TEXCOORD0;
-};
-
-struct SPIRV_Cross_Output
-{
-    float4 FragColor : SV_Target0;
-};
-
-static bool NTSCSignal;
-static float AValue;
-static float BValue;
-static float CCValue;
-static float OValue;
-static float PValue;
-static float ScanTime;
-static float NotchHalfWidth;
-static float YFreqResponse;
-static float IFreqResponse;
-static float QFreqResponse;
-static float SignalOffset;
-
-float4 GetCompositeYIQ(float2 coord)
-{
-    float2 PValueSourceTexel = float2(PValue / params_SourceSize.x, 0.0f);
-    float2 C0 = coord + (PValueSourceTexel * 0.0f);
-    float2 C1 = coord + (PValueSourceTexel * 0.25f);
-    float2 C2 = coord + (PValueSourceTexel * 0.5f);
-    float2 C3 = coord + (PValueSourceTexel * 0.75f);
-    float4 Cx = float4(C0.x, C1.x, C2.x, C3.x);
-    float4 Cy = float4(C0.y, C1.y, C2.y, C3.y);
-    float4 Texel0 = Source.Sample(_Source_sampler, C0);
-    float4 Texel1 = Source.Sample(_Source_sampler, C1);
-    float4 Texel2 = Source.Sample(_Source_sampler, C2);
-    float4 Texel3 = Source.Sample(_Source_sampler, C3);
-    float4 HPosition = Cx;
-    float4 VPosition = Cy;
-    float4 Y = float4(dot(Texel0, float4(0.2989999949932098388671875f, 0.58700001239776611328125f, 0.114000000059604644775390625f, 0.0f)), dot(Texel1, float4(0.2989999949932098388671875f, 0.58700001239776611328125f, 0.114000000059604644775390625f, 0.0f)), dot(Texel2, float4(0.2989999949932098388671875f, 0.58700001239776611328125f, 0.114000000059604644775390625f, 0.0f)), dot(Texel3, float4(0.2989999949932098388671875f, 0.58700001239776611328125f, 0.114000000059604644775390625f, 0.0f)));
-    float4 I = float4(dot(Texel0, float4(0.595715999603271484375f, -0.2744530141353607177734375f, -0.3212629854679107666015625f, 0.0f)), dot(Texel1, float4(0.595715999603271484375f, -0.2744530141353607177734375f, -0.3212629854679107666015625f, 0.0f)), dot(Texel2, float4(0.595715999603271484375f, -0.2744530141353607177734375f, -0.3212629854679107666015625f, 0.0f)), dot(Texel3, float4(0.595715999603271484375f, -0.2744530141353607177734375f, -0.3212629854679107666015625f, 0.0f)));
-    float4 Q = float4(dot(Texel0, float4(0.211456000804901123046875f, -0.52259099483489990234375f, 0.311134994029998779296875f, 0.0f)), dot(Texel1, float4(0.211456000804901123046875f, -0.52259099483489990234375f, 0.311134994029998779296875f, 0.0f)), dot(Texel2, float4(0.211456000804901123046875f, -0.52259099483489990234375f, 0.311134994029998779296875f, 0.0f)), dot(Texel3, float4(0.211456000804901123046875f, -0.52259099483489990234375f, 0.311134994029998779296875f, 0.0f)));
-    float W = (6.283185482025146484375f * CCValue) * ScanTime;
-    float WoPI = W / 3.1415927410125732421875f;
-    float HOffset = (BValue + SignalOffset) / WoPI;
-    float VScale = (AValue * params_SourceSize.y) / WoPI;
-    float4 T = (HPosition + HOffset.xxxx) + (VPosition * VScale);
-    float4 TW = T * W;
-    float4 CompositeYIQ = (Y + (I * cos(TW))) + (Q * sin(TW));
-    return CompositeYIQ;
-}
-
-void frag_main()
-{
-    NTSCSignal = params_ntscsignal != 0.0f;
-    AValue = params_avalue;
-    BValue = params_bvalue;
-    CCValue = params_ccvalue;
-    OValue = params_ovalue;
-    PValue = params_pvalue;
-    ScanTime = params_scantime;
-    NotchHalfWidth = params_notchhalfwidth;
-    YFreqResponse = params_yfreqresponse;
-    IFreqResponse = params_ifreqresponse;
-    QFreqResponse = params_qfreqresponse;
-    SignalOffset = params_signaloffset;
-    if (!NTSCSignal)
-    {
-        FragColor = Source.Sample(_Source_sampler, vTexCoord);
-        return;
-    }
-    else
-    {
-        float4 BaseTexel = Source.Sample(_Source_sampler, vTexCoord);
-        float TimePerSample = ScanTime / (params_SourceSize.x * 4.0f);
-        float Fc_y1 = (CCValue - NotchHalfWidth) * TimePerSample;
-        float Fc_y2 = (CCValue + NotchHalfWidth) * TimePerSample;
-        float Fc_y3 = YFreqResponse * TimePerSample;
-        float Fc_i = IFreqResponse * TimePerSample;
-        float Fc_q = QFreqResponse * TimePerSample;
-        float Fc_i_2 = Fc_i * 2.0f;
-        float Fc_q_2 = Fc_q * 2.0f;
-        float Fc_y1_2 = Fc_y1 * 2.0f;
-        float Fc_y2_2 = Fc_y2 * 2.0f;
-        float Fc_y3_2 = Fc_y3 * 2.0f;
-        float Fc_i_pi2 = Fc_i * 6.283185482025146484375f;
-        float Fc_q_pi2 = Fc_q * 6.283185482025146484375f;
-        float Fc_y1_pi2 = Fc_y1 * 6.283185482025146484375f;
-        float Fc_y2_pi2 = Fc_y2 * 6.283185482025146484375f;
-        float Fc_y3_pi2 = Fc_y3 * 6.283185482025146484375f;
-        float PI2Length = 0.098174773156642913818359375f;
-        float W = (6.283185482025146484375f * CCValue) * ScanTime;
-        float WoPI = W / 3.1415927410125732421875f;
-        float HOffset = (BValue + SignalOffset) / WoPI;
-        float VScale = (AValue * params_SourceSize.y) / WoPI;
-        float4 YAccum = 0.0f.xxxx;
-        float4 IAccum = 0.0f.xxxx;
-        float4 QAccum = 0.0f.xxxx;
-        float4 Cy = vTexCoord.yyyy;
-        float4 VPosition = Cy;
-        for (float i = 0.0f; i < 64.0f; i += 4.0f)
-        {
-            float n = i - 32.0f;
-            float4 n4 = n.xxxx + float4(0.0f, 1.0f, 2.0f, 3.0f);
-            float4 Cx = vTexCoord.x.xxxx + ((n4 * 0.25f) / params_SourceSize.x.xxxx);
-            float4 HPosition = Cx;
-            float2 param = float2(Cx.x, Cy.x);
-            float4 C = GetCompositeYIQ(param);
-            float4 T = (HPosition + HOffset.xxxx) + (VPosition * VScale);
-            float4 WT = (T * W) + OValue.xxxx;
-            float4 SincKernel = 0.540000021457672119140625f.xxxx + (cos(n4 * PI2Length) * 0.4600000083446502685546875f);
-            float4 SincYIn1 = n4 * Fc_y1_pi2;
-            float4 SincYIn2 = n4 * Fc_y2_pi2;
-            float4 SincYIn3 = n4 * Fc_y3_pi2;
-            float4 SincIIn = n4 * Fc_i_pi2;
-            float4 SincQIn = n4 * Fc_q_pi2;
-            float _447;
-            if (SincYIn1.x != 0.0f)
-            {
-                _447 = sin(SincYIn1.x) / SincYIn1.x;
-            }
-            else
-            {
-                _447 = 1.0f;
-            }
-            float4 SincY1;
-            SincY1.x = _447;
-            float _462;
-            if (SincYIn1.y != 0.0f)
-            {
-                _462 = sin(SincYIn1.y) / SincYIn1.y;
-            }
-            else
-            {
-                _462 = 1.0f;
-            }
-            SincY1.y = _462;
-            float _478;
-            if (SincYIn1.z != 0.0f)
-            {
-                _478 = sin(SincYIn1.z) / SincYIn1.z;
-            }
-            else
-            {
-                _478 = 1.0f;
-            }
-            SincY1.z = _478;
-            float _494;
-            if (SincYIn1.w != 0.0f)
-            {
-                _494 = sin(SincYIn1.w) / SincYIn1.w;
-            }
-            else
-            {
-                _494 = 1.0f;
-            }
-            SincY1.w = _494;
-            float _510;
-            if (SincYIn2.x != 0.0f)
-            {
-                _510 = sin(SincYIn2.x) / SincYIn2.x;
-            }
-            else
-            {
-                _510 = 1.0f;
-            }
-            float4 SincY2;
-            SincY2.x = _510;
-            float _525;
-            if (SincYIn2.y != 0.0f)
-            {
-                _525 = sin(SincYIn2.y) / SincYIn2.y;
-            }
-            else
-            {
-                _525 = 1.0f;
-            }
-            SincY2.y = _525;
-            float _540;
-            if (SincYIn2.z != 0.0f)
-            {
-                _540 = sin(SincYIn2.z) / SincYIn2.z;
-            }
-            else
-            {
-                _540 = 1.0f;
-            }
-            SincY2.z = _540;
-            float _555;
-            if (SincYIn2.w != 0.0f)
-            {
-                _555 = sin(SincYIn2.w) / SincYIn2.w;
-            }
-            else
-            {
-                _555 = 1.0f;
-            }
-            SincY2.w = _555;
-            float _571;
-            if (SincYIn3.x != 0.0f)
-            {
-                _571 = sin(SincYIn3.x) / SincYIn3.x;
-            }
-            else
-            {
-                _571 = 1.0f;
-            }
-            float4 SincY3;
-            SincY3.x = _571;
-            float _586;
-            if (SincYIn3.y != 0.0f)
-            {
-                _586 = sin(SincYIn3.y) / SincYIn3.y;
-            }
-            else
-            {
-                _586 = 1.0f;
-            }
-            SincY3.y = _586;
-            float _601;
-            if (SincYIn3.z != 0.0f)
-            {
-                _601 = sin(SincYIn3.z) / SincYIn3.z;
-            }
-            else
-            {
-                _601 = 1.0f;
-            }
-            SincY3.z = _601;
-            float _616;
-            if (SincYIn3.w != 0.0f)
-            {
-                _616 = sin(SincYIn3.w) / SincYIn3.w;
-            }
-            else
-            {
-                _616 = 1.0f;
-            }
-            SincY3.w = _616;
-            float4 IdealY = ((SincY1 * Fc_y1_2) - (SincY2 * Fc_y2_2)) + (SincY3 * Fc_y3_2);
-            float _641 = Fc_i_2;
-            float _645;
-            if (SincIIn.x != 0.0f)
-            {
-                _645 = sin(SincIIn.x) / SincIIn.x;
-            }
-            else
-            {
-                _645 = 1.0f;
-            }
-            float4 IdealI;
-            IdealI.x = _641 * _645;
-            float _658 = Fc_i_2;
-            float _662;
-            if (SincIIn.y != 0.0f)
-            {
-                _662 = sin(SincIIn.y) / SincIIn.y;
-            }
-            else
-            {
-                _662 = 1.0f;
-            }
-            IdealI.y = _658 * _662;
-            float _675 = Fc_i_2;
-            float _679;
-            if (SincIIn.z != 0.0f)
-            {
-                _679 = sin(SincIIn.z) / SincIIn.z;
-            }
-            else
-            {
-                _679 = 1.0f;
-            }
-            IdealI.z = _675 * _679;
-            float _692 = Fc_i_2;
-            float _696;
-            if (SincIIn.w != 0.0f)
-            {
-                _696 = sin(SincIIn.w) / SincIIn.w;
-            }
-            else
-            {
-                _696 = 1.0f;
-            }
-            IdealI.w = _692 * _696;
-            float _710 = Fc_q_2;
-            float _714;
-            if (SincQIn.x != 0.0f)
-            {
-                _714 = sin(SincQIn.x) / SincQIn.x;
-            }
-            else
-            {
-                _714 = 1.0f;
-            }
-            float4 IdealQ;
-            IdealQ.x = _710 * _714;
-            float _727 = Fc_q_2;
-            float _731;
-            if (SincQIn.y != 0.0f)
-            {
-                _731 = sin(SincQIn.y) / SincQIn.y;
-            }
-            else
-            {
-                _731 = 1.0f;
-            }
-            IdealQ.y = _727 * _731;
-            float _744 = Fc_q_2;
-            float _748;
-            if (SincQIn.z != 0.0f)
-            {
-                _748 = sin(SincQIn.z) / SincQIn.z;
-            }
-            else
-            {
-                _748 = 1.0f;
-            }
-            IdealQ.z = _744 * _748;
-            float _761 = Fc_q_2;
-            float _765;
-            if (SincQIn.w != 0.0f)
-            {
-                _765 = sin(SincQIn.w) / SincQIn.w;
-            }
-            else
-            {
-                _765 = 1.0f;
-            }
-            IdealQ.w = _761 * _765;
-            float4 FilterY = SincKernel * IdealY;
-            float4 FilterI = SincKernel * IdealI;
-            float4 FilterQ = SincKernel * IdealQ;
-            YAccum += (C * FilterY);
-            IAccum += ((C * cos(WT)) * FilterI);
-            QAccum += ((C * sin(WT)) * FilterQ);
-        }
-        float3 YIQ = float3(((YAccum.x + YAccum.y) + YAccum.z) + YAccum.w, (((IAccum.x + IAccum.y) + IAccum.z) + IAccum.w) * 2.0f, (((QAccum.x + QAccum.y) + QAccum.z) + QAccum.w) * 2.0f);
-        float3 RGB = float3(dot(YIQ, float3(1.0f, 0.95599997043609619140625f, 0.620999991893768310546875f)), dot(YIQ, float3(1.0f, -0.272000014781951904296875f, -0.647000014781951904296875f)), dot(YIQ, float3(1.0f, -1.10599994659423828125f, 1.70299994945526123046875f)));
-        FragColor = float4(RGB, BaseTexel.w);
-    }
-}
-
-SPIRV_Cross_Output main(SPIRV_Cross_Input stage_input)
-{
-    vTexCoord = stage_input.vTexCoord;
-    frag_main();
-    SPIRV_Cross_Output stage_output;
-    stage_output.FragColor = FragColor;
-    return stage_output;
-}
diff --git a/test/nonfunctional/shaders/mame/mame_ntsc.slang.vs.hlsl b/test/nonfunctional/shaders/mame/mame_ntsc.slang.vs.hlsl
deleted file mode 100644
index e796987..0000000
--- a/test/nonfunctional/shaders/mame/mame_ntsc.slang.vs.hlsl
+++ /dev/null
@@ -1,60 +0,0 @@
-cbuffer global : register(b0)
-{
-    row_major float4x4 global_MVP : packoffset(c0);
-};
-cbuffer params : register(b1)
-{
-    float4 params_SourceSize : packoffset(c0);
-    float4 params_OriginalSize : packoffset(c1);
-    float4 params_OutputSize : packoffset(c2);
-    uint params_FrameCount : packoffset(c3);
-    float params_avalue : packoffset(c3.y);
-    float params_bvalue : packoffset(c3.z);
-    float params_ccvalue : packoffset(c3.w);
-    float params_ovalue : packoffset(c4);
-    float params_pvalue : packoffset(c4.y);
-    float params_scantime : packoffset(c4.z);
-    float params_notchhalfwidth : packoffset(c4.w);
-    float params_yfreqresponse : packoffset(c5);
-    float params_ifreqresponse : packoffset(c5.y);
-    float params_qfreqresponse : packoffset(c5.z);
-    float params_signaloffset : packoffset(c5.w);
-    float params_ntscsignal : packoffset(c6);
-};
-
-static float4 gl_Position;
-static float4 Position;
-static float2 vTexCoord;
-static float2 TexCoord;
-
-struct SPIRV_Cross_Input
-{
-    float4 Position : TEXCOORD0;
-    float2 TexCoord : TEXCOORD1;
-};
-
-struct SPIRV_Cross_Output
-{
-    float2 vTexCoord : TEXCOORD0;
-    float4 gl_Position : SV_Position;
-};
-
-static bool NTSCSignal;
-
-void vert_main()
-{
-    NTSCSignal = params_ntscsignal != 0.0f;
-    gl_Position = mul(Position, global_MVP);
-    vTexCoord = TexCoord;
-}
-
-SPIRV_Cross_Output main(SPIRV_Cross_Input stage_input)
-{
-    Position = stage_input.Position;
-    TexCoord = stage_input.TexCoord;
-    vert_main();
-    SPIRV_Cross_Output stage_output;
-    stage_output.gl_Position = gl_Position;
-    stage_output.vTexCoord = vTexCoord;
-    return stage_output;
-}