From 4b0bf2bc68a317b98382823ea2b7dd2e77ec8d37 Mon Sep 17 00:00:00 2001
From: twinaphex
Date: Mon, 14 Aug 2017 08:43:57 +0200
Subject: Rewrite C++ comments

---
 source/clip.c    |  90 ++++++++++++++++++++++++------------------------
 source/dsp1.c    | 102 +++++++++++++++++++++++++++----------------------------
 source/dsp1emu.c |  74 ++++++++++++++++++++--------------------
 source/dsp2emu.c |  66 ++++++++++++++++++-----------------
 source/dsp4emu.c |  36 ++++++++++----------
 source/fxemu.c   |   2 +-
 source/fxinst.c  |   2 +-
 source/getset.h  |  20 +++++------
 source/globals.c |  12 +++----
 9 files changed, 204 insertions(+), 200 deletions(-)

(limited to 'source')

diff --git a/source/clip.c b/source/clip.c
index cc0f48b..db68e1e 100644
--- a/source/clip.c
+++ b/source/clip.c
@@ -56,7 +56,7 @@ void ComputeClipWindows()
             {
                if ((Memory.FillRAM [0x2130] & 0xc0) == 0xc0)
                {
-                  // The whole of the main screen is switched off, completely clip everything.
+                  /* The whole of the main screen is switched off, completely clip everything. */
                   for (i = 0; i < 6; i++)
                   {
                      IPPU.Clip [c].Count [i] = 1;
@@ -68,9 +68,9 @@ void ComputeClipWindows()
                else if ((Memory.FillRAM [0x2130] & 0xc0) == 0x00)
                   continue;
             }
-            else if ((Memory.FillRAM [0x2130] & 0x30) == 0x30) // .. colour window on the sub-screen.
+            else if ((Memory.FillRAM [0x2130] & 0x30) == 0x30) /* .. colour window on the sub-screen. */
             {
-               // The sub-screen is switched off, completely clip everything.
+               /* The sub-screen is switched off, completely clip everything. */
                int32_t i;
                for (i = 0; i < 6; i++)
                {
@@ -121,8 +121,8 @@ void ComputeClipWindows()
                   }
                   else
                   {
-                     // 'outside' a window with no range -
-                     // appears to be the whole screen.
+                     /* 'outside' a window with no range -
+                      * appears to be the whole screen. */
                      Win1[Window1Enabled].Left = 0;
                      Win1[Window1Enabled++].Right = 256;
                   }
@@ -164,12 +164,12 @@ void ComputeClipWindows()
             }
             if (Window1Enabled && Window2Enabled)
             {
-               // Overlap logic
-               //
-               // Each window will be in one of three states:
-               // 1. <no range> (Left > Right. One band)
-               // 2. |    ----------------             | (Left >= 0, Right <= 255, Left <= Right. One band)
-               // 3. |------------           ----------| (Left1 == 0, Right1 < Left2; Left2 > Right1, Right2 == 255. Two bands)
+               /* Overlap logic
+                *
+                * Each window will be in one of three states:
+                * 1. <no range> (Left > Right. One band)
+                * 2. |    ----------------             | (Left >= 0, Right <= 255, Left <= Right. One band)
+                * 3. |------------           ----------| (Left1 == 0, Right1 < Left2; Left2 > Right1, Right2 == 255. Two bands) */
                Band Bands [6];
                int32_t B = 0;
                switch (PPU.ClipWindowOverlapLogic [w] ^ 1)
@@ -180,7 +180,7 @@ void ComputeClipWindows()
                      if (BAND_EMPTY(Win1[0]))
                      {
                         B = Window2Enabled;
-                        // memmove converted: Different stack allocations [Neb]
+                        /* memmove converted: Different stack allocations [Neb] */
                         memcpy(Bands, Win2, sizeof(Win2[0]) * Window2Enabled);
                      }
                      else
@@ -232,17 +232,17 @@ void ComputeClipWindows()
                   {
                      if (BAND_EMPTY(Win2[0]))
                      {
-                        // Window 2 defines an empty range - just
-                        // use window 1 as the clipping (which
-                        // could also be empty).
+                        /* Window 2 defines an empty range - just
+                         * use window 1 as the clipping (which
+                         * could also be empty). */
                         B = Window1Enabled;
-                        // memmove converted: Different stack allocations [Neb]
+                        /* memmove converted: Different stack allocations [Neb] */
                         memcpy(Bands, Win1, sizeof(Win1[0]) * Window1Enabled);
                      }
                      else
                      {
-                        // Window 1 has two bands and Window 2 has one.
-                        // Neither is an empty region.
+                        /* Window 1 has two bands and Window 2 has one.
+                         * Neither is an empty region. */
                         if (BANDS_INTERSECT(Win2[0], Win1[0]))
                         {
                            OR_BANDS(Bands[0], Win2[0], Win1[0])
@@ -273,7 +273,7 @@ void ComputeClipWindows()
                   }
                   else
                   {
-                     // Both windows have two bands
+                     /* Both windows have two bands */
                      OR_BANDS(Bands[0], Win1[0], Win2[0]);
                      OR_BANDS(Bands[1], Win1[1], Win2[1]);
                      B = 1;
@@ -286,7 +286,7 @@ void ComputeClipWindows()
                case CLIP_AND:
                   if (Window1Enabled == 1)
                   {
-                     // Window 1 has one band
+                     /* Window 1 has one band */
                      if (BAND_EMPTY(Win1[0]))
                         Bands [B++] = Win1[0];
                      else if (Window2Enabled == 1)
@@ -312,7 +312,7 @@ void ComputeClipWindows()
                         Bands[B++] = Win2[0];
                      else
                      {
-                        // Window 1 has two bands.
+                        /* Window 1 has two bands. */
                         AND_BANDS(Bands[0], Win1[0], Win2[0]);
                         AND_BANDS(Bands[1], Win1[1], Win2[0]);
                         B = 2;
@@ -320,7 +320,7 @@ void ComputeClipWindows()
                   }
                   else
                   {
-                     // Both windows have two bands.
+                     /* Both windows have two bands. */
                      AND_BANDS(Bands[0], Win1[0], Win2[0]);
                      AND_BANDS(Bands[1], Win1[1], Win2[1]);
                      B = 2;
@@ -338,18 +338,18 @@ void ComputeClipWindows()
                   break;
                case CLIP_XNOR:
                   invert = !invert;
-                  // Fall...
+                  /* Fall... */
                case CLIP_XOR:
                   if (Window1Enabled == 1 && BAND_EMPTY(Win1[0]))
                   {
                      B = Window2Enabled;
-                     // memmove converted: Different stack allocations [Neb]
+                     /* memmove converted: Different stack allocations [Neb] */
                      memcpy(Bands, Win2, sizeof(Win2[0]) * Window2Enabled);
                   }
                   else if (Window2Enabled == 1 && BAND_EMPTY(Win2[0]))
                   {
                      B = Window1Enabled;
-                     // memmove converted: Different stack allocations [Neb]
+                     /* memmove converted: Different stack allocations [Neb] */
                      memcpy(Bands, Win1, sizeof(Win1[0]) * Window1Enabled);
                   }
                   else
@@ -359,7 +359,7 @@ void ComputeClipWindows()
                      uint32_t i;
 
                      invert = !invert;
-                     // Build an array of points (window edges)
+                     /* Build an array of points (window edges) */
                      points [p++] = 0;
                      for (i = 0; i < Window1Enabled; i++)
                      {
@@ -372,7 +372,7 @@ void ComputeClipWindows()
                         points [p++] = Win2[i].Right;
                      }
                      points [p++] = 256;
-                     // Sort them
+                     /* Sort them */
                      qsort((void*) points, p, sizeof(points [0]), IntCompare);
                      for (i = 0; i < p; i += 2)
                      {
@@ -392,7 +392,7 @@ void ComputeClipWindows()
                   int32_t j = 0;
                   int32_t empty_band_count = 0;
 
-                  // First remove all empty bands from the list.
+                  /* First remove all empty bands from the list. */
                   for (b = 0; b < B; b++)
                   {
                      if (!BAND_EMPTY(Bands[b]))
@@ -410,7 +410,7 @@ void ComputeClipWindows()
                      if (j == 1)
                      {
                         j = 0;
-                        // Easy case to deal with, so special case it.
+                        /* Easy case to deal with, so special case it. */
                         if (Bands[0].Left > 0)
                         {
                            pClip->Left[j][w] = 0;
@@ -429,11 +429,11 @@ void ComputeClipWindows()
                      }
                      else
                      {
-                        // Now sort the bands into order
+                        /* Now sort the bands into order */
                         B = j;
                         qsort((void*) Bands, B, sizeof(Bands [0]), BandCompare);
 
-                        // Now invert the area the bands cover
+                        /* Now invert the area the bands cover */
                         j = 0;
                         for (b = 0; b < B; b++)
                         {
@@ -457,9 +457,9 @@ void ComputeClipWindows()
                   }
                   else
                   {
-                     // Inverting a window that consisted of only
-                     // empty bands is the whole width of the screen.
-                     // Needed for Mario Kart's rear-view mirror display.
+                     /* Inverting a window that consisted of only
+                      * empty bands is the whole width of the screen.
+                      * Needed for Mario Kart's rear-view mirror display. */
                      if (empty_band_count)
                      {
                         pClip->Left[j][w] = 0;
@@ -482,8 +482,8 @@ void ComputeClipWindows()
             }
             else
             {
-               // Only one window enabled so no need to perform
-               // complex overlap logic...
+               /* Only one window enabled so no need to perform
+                * complex overlap logic... */
                if (Window1Enabled)
                {
                   if (invert)
@@ -587,9 +587,9 @@ void ComputeClipWindows()
 
             if (w != 5 && pClip->Count [5])
             {
-               // Colour window enabled. Set the
-               // clip windows for all remaining backgrounds to be
-               // the same as the colour window.
+               /* Colour window enabled. Set the
+                * clip windows for all remaining backgrounds to be
+                * the same as the colour window. */
                if (pClip->Count [w] == 0)
                {
                   uint32_t i;
@@ -602,8 +602,8 @@ void ComputeClipWindows()
                }
                else
                {
-                  // Intersect the colour window with the bg's
-                  // own clip window.
+                  /* Intersect the colour window with the bg's
+                   * own clip window. */
                   uint32_t i, j;
                   for (i = 0; i < pClip->Count [w]; i++)
                   {
@@ -614,20 +614,20 @@ void ComputeClipWindows()
                             (pClip->Left[j][5] >= pClip->Left[i][w] &&
                              pClip->Left[j][5] <  pClip->Right[i][w]))
                         {
-                           // Found an intersection!
+                           /* Found an intersection! */
                            pClip->Left[i][w] = MAX(pClip->Left[i][w], pClip->Left[j][5]);
                            pClip->Right[i][w] = MIN(pClip->Right[i][w], pClip->Right[j][5]);
                            goto Clip_ok;
                         }
                      }
-                     // no intersection, nullify it
+                     /* no intersection, nullify it */
                      pClip->Left[i][w] = 1;
                      pClip->Right[i][w] = 0;
 Clip_ok:;
                   }
                }
             }
-         } // if (w == 5 || pClip->Count [5] ...
-      } // for (w...
+         } /* if (w == 5 || pClip->Count [5] ... */
+      } /* for (w... */
    } /* for (c... */
 }
diff --git a/source/dsp1.c b/source/dsp1.c
index e0ffa99..f8a0713 100644
--- a/source/dsp1.c
+++ b/source/dsp1.c
@@ -45,7 +45,7 @@ void DSP1SetByte(uint8_t byte, uint16_t address)
          DSP1.in_index = 0;
          DSP1.waiting4command = false;
          DSP1.first_parameter = true;
-         switch (byte) // Mario Kart uses 0x00, 0x02, 0x06, 0x0c, 0x28, 0x0a
+         switch (byte) /* Mario Kart uses 0x00, 0x02, 0x06, 0x0c, 0x28, 0x0a */
          {
          case 0x07:
          case 0x0a:
@@ -162,7 +162,7 @@ void DSP1SetByte(uint8_t byte, uint16_t address)
                case 0x1f:
                   DSP1.out_count = 2048;
                   break;
-               case 0x00: // Multiple
+               case 0x00: /* Multiple */
                   Op00Multiplicand = (int16_t)(DSP1.parameters [0] | (DSP1.parameters[1] << 8));
                   Op00Multiplier = (int16_t)(DSP1.parameters [2] | (DSP1.parameters[3] << 8));
                   DSPOp00();
@@ -170,7 +170,7 @@ void DSP1SetByte(uint8_t byte, uint16_t address)
                   DSP1.output [0] = Op00Result & 0xFF;
                   DSP1.output [1] = (Op00Result >> 8) & 0xFF;
                   break;
-               case 0x20: // Multiple
+               case 0x20: /* Multiple */
                   Op20Multiplicand = (int16_t)(DSP1.parameters [0] | (DSP1.parameters[1] << 8));
                   Op20Multiplier = (int16_t)(DSP1.parameters [2] | (DSP1.parameters[3] << 8));
                   DSPOp20();
@@ -179,7 +179,7 @@ void DSP1SetByte(uint8_t byte, uint16_t address)
                   DSP1.output [1] = (Op20Result >> 8) & 0xFF;
                   break;
                case 0x30:
-               case 0x10: // Inverse
+               case 0x10: /* Inverse */
                   Op10Coefficient = (int16_t)(DSP1.parameters [0] | (DSP1.parameters[1] << 8));
                   Op10Exponent = (int16_t)(DSP1.parameters [2] | (DSP1.parameters[3] << 8));
                   DSPOp10();
@@ -190,7 +190,7 @@ void DSP1SetByte(uint8_t byte, uint16_t address)
                   DSP1.output [3] = (uint8_t)((((int16_t) Op10ExponentR) >> 8) & 0xff);
                   break;
                case 0x24:
-               case 0x04: // Sin and Cos of angle
+               case 0x04: /* Sin and Cos of angle */
                   Op04Angle = (int16_t)(DSP1.parameters [0] | (DSP1.parameters[1] << 8));
                   Op04Radius = (uint16_t)(DSP1.parameters [2] | (DSP1.parameters[3] << 8));
                   DSPOp04();
@@ -200,7 +200,7 @@ void DSP1SetByte(uint8_t byte, uint16_t address)
                   DSP1.output [2] = (uint8_t)(Op04Cos & 0xFF);
                   DSP1.output [3] = (uint8_t)((Op04Cos >> 8) & 0xFF);
                   break;
-               case 0x08: // Radius
+               case 0x08: /* Radius */
                   Op08X = (int16_t)(DSP1.parameters [0] | (DSP1.parameters[1] << 8));
                   Op08Y = (int16_t)(DSP1.parameters [2] | (DSP1.parameters[3] << 8));
                   Op08Z = (int16_t)(DSP1.parameters [4] | (DSP1.parameters[5] << 8));
@@ -211,7 +211,7 @@ void DSP1SetByte(uint8_t byte, uint16_t address)
                   DSP1.output [2] = (uint8_t)(((int16_t) Op08Lh) & 0xFF);
                   DSP1.output [3] = (uint8_t)((((int16_t) Op08Lh) >> 8) & 0xFF);
                   break;
-               case 0x18: // Range
+               case 0x18: /* Range */
                   Op18X = (int16_t)(DSP1.parameters [0] | (DSP1.parameters[1] << 8));
                   Op18Y = (int16_t)(DSP1.parameters [2] | (DSP1.parameters[3] << 8));
                   Op18Z = (int16_t)(DSP1.parameters [4] | (DSP1.parameters[5] << 8));
@@ -221,7 +221,7 @@ void DSP1SetByte(uint8_t byte, uint16_t address)
                   DSP1.output [0] = (uint8_t)(Op18D & 0xFF);
                   DSP1.output [1] = (uint8_t)((Op18D >> 8) & 0xFF);
                   break;
-               case 0x38: // Range
+               case 0x38: /* Range */
                   Op38X = (int16_t)(DSP1.parameters [0] | (DSP1.parameters[1] << 8));
                   Op38Y = (int16_t)(DSP1.parameters [2] | (DSP1.parameters[3] << 8));
                   Op38Z = (int16_t)(DSP1.parameters [4] | (DSP1.parameters[5] << 8));
@@ -231,7 +231,7 @@ void DSP1SetByte(uint8_t byte, uint16_t address)
                   DSP1.output [0] = (uint8_t)(Op38D & 0xFF);
                   DSP1.output [1] = (uint8_t)((Op38D >> 8) & 0xFF);
                   break;
-               case 0x28: // Distance (vector length)
+               case 0x28: /* Distance (vector length) */
                   Op28X = (int16_t)(DSP1.parameters [0] | (DSP1.parameters[1] << 8));
                   Op28Y = (int16_t)(DSP1.parameters [2] | (DSP1.parameters[3] << 8));
                   Op28Z = (int16_t)(DSP1.parameters [4] | (DSP1.parameters[5] << 8));
@@ -241,7 +241,7 @@ void DSP1SetByte(uint8_t byte, uint16_t address)
                   DSP1.output [1] = (uint8_t)((Op28R >> 8) & 0xFF);
                   break;
                case 0x2c:
-               case 0x0c: // Rotate (2D rotate)
+               case 0x0c: /* Rotate (2D rotate) */
                   Op0CA = (int16_t)(DSP1.parameters [0] | (DSP1.parameters[1] << 8));
                   Op0CX1 = (int16_t)(DSP1.parameters [2] | (DSP1.parameters[3] << 8));
                   Op0CY1 = (int16_t)(DSP1.parameters [4] | (DSP1.parameters[5] << 8));
@@ -253,7 +253,7 @@ void DSP1SetByte(uint8_t byte, uint16_t address)
                   DSP1.output [3] = (uint8_t)((Op0CY2 >> 8) & 0xFF);
                   break;
                case 0x3c:
-               case 0x1c: // Polar (3D rotate)
+               case 0x1c: /* Polar (3D rotate) */
                   Op1CZ = (DSP1.parameters [0] | (DSP1.parameters[1] << 8));
                   Op1CY = (DSP1.parameters [2] | (DSP1.parameters[3] << 8));
                   Op1CX = (DSP1.parameters [4] | (DSP1.parameters[5] << 8));
@@ -272,7 +272,7 @@ void DSP1SetByte(uint8_t byte, uint16_t address)
                case 0x32:
                case 0x22:
                case 0x12:
-               case 0x02: // Parameter (Projection)
+               case 0x02: /* Parameter (Projection) */
                   Op02FX = (int16_t)(DSP1.parameters [0] | (DSP1.parameters[1] << 8));
                   Op02FY = (int16_t)(DSP1.parameters [2] | (DSP1.parameters[3] << 8));
                   Op02FZ = (int16_t)(DSP1.parameters [4] | (DSP1.parameters[5] << 8));
@@ -291,9 +291,9 @@ void DSP1SetByte(uint8_t byte, uint16_t address)
                   DSP1.output [6] = (uint8_t)(Op02CY & 0xFF);
                   DSP1.output [7] = (uint8_t)((Op02CY >> 8) & 0xFF);
                   break;
-               case 0x3a: //1a Mirror
-               case 0x2a: //1a Mirror
-               case 0x1a: // Raster mode 7 matrix data
+               case 0x3a: /* 1a Mirror */
+               case 0x2a: /* 1a Mirror */
+               case 0x1a: /* Raster mode 7 matrix data */
                case 0x0a:
                   Op0AVS = (int16_t)(DSP1.parameters [0] | (DSP1.parameters[1] << 8));
                   DSPOp0A();
@@ -311,7 +311,7 @@ void DSP1SetByte(uint8_t byte, uint16_t address)
                case 0x16:
                case 0x26:
                case 0x36:
-               case 0x06: // Project object
+               case 0x06: /* Project object */
                   Op06X = (int16_t)(DSP1.parameters [0] | (DSP1.parameters[1] << 8));
                   Op06Y = (int16_t)(DSP1.parameters [2] | (DSP1.parameters[3] << 8));
                   Op06Z = (int16_t)(DSP1.parameters [4] | (DSP1.parameters[5] << 8));
@@ -327,7 +327,7 @@ void DSP1SetByte(uint8_t byte, uint16_t address)
                case 0x1e:
                case 0x2e:
                case 0x3e:
-               case 0x0e: // Target
+               case 0x0e: /* Target */
                   Op0EH = (int16_t)(DSP1.parameters [0] | (DSP1.parameters[1] << 8));
                   Op0EV = (int16_t)(DSP1.parameters [2] | (DSP1.parameters[3] << 8));
                   DSPOp0E();
@@ -337,10 +337,10 @@ void DSP1SetByte(uint8_t byte, uint16_t address)
                   DSP1.output [2] = (uint8_t)(Op0EY & 0xFF);
                   DSP1.output [3] = (uint8_t)((Op0EY >> 8) & 0xFF);
                   break;
-               case 0x05: // Extra commands used by Pilot Wings
+               case 0x05: /* Extra commands used by Pilot Wings */
                case 0x35:
                case 0x31:
-               case 0x01: // Set attitude matrix A
+               case 0x01: /* Set attitude matrix A */
                   Op01m = (int16_t)(DSP1.parameters [0] | (DSP1.parameters[1] << 8));
                   Op01Zr = (int16_t)(DSP1.parameters [2] | (DSP1.parameters[3] << 8));
                   Op01Yr = (int16_t)(DSP1.parameters [4] | (DSP1.parameters[5] << 8));
@@ -348,7 +348,7 @@ void DSP1SetByte(uint8_t byte, uint16_t address)
                   DSPOp01();
                   break;
                case 0x15:
-               case 0x11: // Set attitude matrix B
+               case 0x11: /* Set attitude matrix B */
                   Op11m = (int16_t)(DSP1.parameters [0] | (DSP1.parameters[1] << 8));
                   Op11Zr = (int16_t)(DSP1.parameters [2] | (DSP1.parameters[3] << 8));
                   Op11Yr = (int16_t)(DSP1.parameters [4] | (DSP1.parameters[5] << 8));
@@ -356,7 +356,7 @@ void DSP1SetByte(uint8_t byte, uint16_t address)
                   DSPOp11();
                   break;
                case 0x25:
-               case 0x21: // Set attitude matrix C
+               case 0x21: /* Set attitude matrix C */
                   Op21m = (int16_t)(DSP1.parameters [0] | (DSP1.parameters[1] << 8));
                   Op21Zr = (int16_t)(DSP1.parameters [2] | (DSP1.parameters[3] << 8));
                   Op21Yr = (int16_t)(DSP1.parameters [4] | (DSP1.parameters[5] << 8));
@@ -366,7 +366,7 @@ void DSP1SetByte(uint8_t byte, uint16_t address)
                case 0x09:
                case 0x39:
                case 0x3d:
-               case 0x0d: // Objective matrix A
+               case 0x0d: /* Objective matrix A */
                   Op0DX = (int16_t)(DSP1.parameters [0] | (DSP1.parameters[1] << 8));
                   Op0DY = (int16_t)(DSP1.parameters [2] | (DSP1.parameters[3] << 8));
                   Op0DZ = (int16_t)(DSP1.parameters [4] | (DSP1.parameters[5] << 8));
@@ -380,7 +380,7 @@ void DSP1SetByte(uint8_t byte, uint16_t address)
                   DSP1.output [5] = (uint8_t)((Op0DU >> 8) & 0xFF);
                   break;
                case 0x19:
-               case 0x1d: // Objective matrix B
+               case 0x1d: /* Objective matrix B */
                   Op1DX = (int16_t)(DSP1.parameters [0] | (DSP1.parameters[1] << 8));
                   Op1DY = (int16_t)(DSP1.parameters [2] | (DSP1.parameters[3] << 8));
                   Op1DZ = (int16_t)(DSP1.parameters [4] | (DSP1.parameters[5] << 8));
@@ -394,7 +394,7 @@ void DSP1SetByte(uint8_t byte, uint16_t address)
                   DSP1.output [5] = (uint8_t)((Op1DU >> 8) & 0xFF);
                   break;
                case 0x29:
-               case 0x2d: // Objective matrix C
+               case 0x2d: /* Objective matrix C */
                   Op2DX = (int16_t)(DSP1.parameters [0] | (DSP1.parameters[1] << 8));
                   Op2DY = (int16_t)(DSP1.parameters [2] | (DSP1.parameters[3] << 8));
                   Op2DZ = (int16_t)(DSP1.parameters [4] | (DSP1.parameters[5] << 8));
@@ -408,7 +408,7 @@ void DSP1SetByte(uint8_t byte, uint16_t address)
                   DSP1.output [5] = (uint8_t)((Op2DU >> 8) & 0xFF);
                   break;
                case 0x33:
-               case 0x03: // Subjective matrix A
+               case 0x03: /* Subjective matrix A */
                   Op03F = (int16_t)(DSP1.parameters [0] | (DSP1.parameters[1] << 8));
                   Op03L = (int16_t)(DSP1.parameters [2] | (DSP1.parameters[3] << 8));
                   Op03U = (int16_t)(DSP1.parameters [4] | (DSP1.parameters[5] << 8));
@@ -421,7 +421,7 @@ void DSP1SetByte(uint8_t byte, uint16_t address)
                   DSP1.output [4] = (uint8_t)(Op03Z & 0xFF);
                   DSP1.output [5] = (uint8_t)((Op03Z >> 8) & 0xFF);
                   break;
-               case 0x13: // Subjective matrix B
+               case 0x13: /* Subjective matrix B */
                   Op13F = (int16_t)(DSP1.parameters [0] | (DSP1.parameters[1] << 8));
                   Op13L = (int16_t)(DSP1.parameters [2] | (DSP1.parameters[3] << 8));
                   Op13U = (int16_t)(DSP1.parameters [4] | (DSP1.parameters[5] << 8));
@@ -434,7 +434,7 @@ void DSP1SetByte(uint8_t byte, uint16_t address)
                   DSP1.output [4] = (uint8_t)(Op13Z & 0xFF);
                   DSP1.output [5] = (uint8_t)((Op13Z >> 8) & 0xFF);
                   break;
-               case 0x23: // Subjective matrix C
+               case 0x23: /* Subjective matrix C */
                   Op23F = (int16_t)(DSP1.parameters [0] | (DSP1.parameters[1] << 8));
                   Op23L = (int16_t)(DSP1.parameters [2] | (DSP1.parameters[3] << 8));
                   Op23U = (int16_t)(DSP1.parameters [4] | (DSP1.parameters[5] << 8));
@@ -645,7 +645,7 @@ void DSP2SetByte(uint8_t byte, uint16_t address)
             DSP1.out_count = 32;
             DSP2_Op01();
             break;
-         case 0x09: // Multiply - don't yet know if this is signed or unsigned
+         case 0x09: /* Multiply - don't yet know if this is signed or unsigned */
             DSP2Op09Word1 = DSP1.parameters[0] | (DSP1.parameters[1] << 8);
             DSP2Op09Word2 = DSP1.parameters[2] | (DSP1.parameters[3] << 8);
             DSP1.out_count = 4;
@@ -729,7 +729,7 @@ bool DSP4_init = false;
 
 void DSP4SetByte(uint8_t byte, uint16_t address)
 {
-   if (!DSP4_init) // bootup
+   if (!DSP4_init) /* bootup */
    {
       DSP4.waiting4command = 1;
       DSP4_init = true;
@@ -812,7 +812,7 @@ void DSP4SetByte(uint8_t byte, uint16_t address)
          DSP4.in_index = 0;
          switch (DSP4.command)
          {
-         case 0x0000: // 16-bit multiplication
+         case 0x0000: /* 16-bit multiplication */
          {
             int16_t multiplier, multiplicand;
             int32_t product;
@@ -824,7 +824,7 @@ void DSP4SetByte(uint8_t byte, uint16_t address)
             DSP4_WRITE_WORD(2, product >> 16);
             break;
          }
-         case 0x0011: // unknown: horizontal mapping command
+         case 0x0011: /* unknown: horizontal mapping command */
          {
             int16_t a, b, c, d, m;
             a = DSP4_READ_WORD(6);
@@ -836,44 +836,44 @@ void DSP4SetByte(uint8_t byte, uint16_t address)
             DSP4_WRITE_WORD(0, m);
             break;
          }
-         case 0x0001: // track projection
+         case 0x0001: /* track projection */
             DSP4_Op01();
             break;
-         case 0x0007: // track projection (pass 2)
+         case 0x0007: /* track projection (pass 2) */
             DSP4_Op07();
             break;
-         case 0x0008: // zone projections (fuel/repair/lap/teleport/...)
+         case 0x0008: /* zone projections (fuel/repair/lap/teleport/...) */
             DSP4_Op08();
             break;
-         case 0x0009: // sprite transformation
+         case 0x0009: /* sprite transformation */
             DSP4_Op09();
             break;
-         case 0x000D: // fast track projection
+         case 0x000D: /* fast track projection */
             DSP4_Op0D();
             break;
-         case 0x0003: // internal memory management (01)
+         case 0x0003: /* internal memory management (01) */
          {
-            // reset op09 data
+            /* reset op09 data */
             op09_mode = false;
             break;
          }
-         case 0x0005: // internal memory management (06)
+         case 0x0005: /* internal memory management (06) */
          {
             int32_t lcv;
-            // clear OAM tables
+            /* clear OAM tables */
             op06_index = 0;
             op06_offset = 0;
             for (lcv = 0; lcv < 32; lcv++)
                op06_OAM[lcv] = 0;
             break;
          }
-         case 0x000E: // internal memory management (0D)
+         case 0x000E: /* internal memory management (0D) */
          {
-            // reset op09 data
+            /* reset op09 data */
             op09_mode = true;
             break;
          }
-         case 0x0006: // sprite OAM post-table data
+         case 0x0006: /* sprite OAM post-table data */
          {
             int32_t lcv;
             DSP4.out_count = 32;
@@ -881,7 +881,7 @@ void DSP4SetByte(uint8_t byte, uint16_t address)
                DSP4.output[lcv] = op06_OAM[lcv];
             break;
          }
-         case 0x000A: // unknown
+         case 0x000A: /* unknown */
          {
             int16_t out1a, out2a;
             out1a = (int16_t)0xff40;
@@ -893,29 +893,29 @@ void DSP4SetByte(uint8_t byte, uint16_t address)
             DSP4_WRITE_WORD(6, out2a);
             break;
          }
-         case 0x000B: // render player positions around track
+         case 0x000B: /* render player positions around track */
          {
             int16_t sp_x = DSP4_READ_WORD(0);
             int16_t sp_y = DSP4_READ_WORD(2);
             int16_t oam = DSP4_READ_WORD(4);
 
-            if (!op09_mode) // Only allow 1p/1p-split to yield output (???)
+            if (!op09_mode) /* Only allow 1p/1p-split to yield output (???) */
             {
-               // yield OAM output
+               /* yield OAM output */
                DSP4.out_count = 6;
                DSP4_WRITE_WORD(0, 1);
 
-               // pack OAM data: x,y,name,attr
+               /* pack OAM data: x,y,name,attr */
                DSP4.output[2] = sp_x & 0xff;
                DSP4.output[3] = sp_y & 0xff;
                DSP4_WRITE_WORD(4, oam);
 
-               // OAM: size,msb data
+               /* OAM: size,msb data */
                DSP4_Op06(false, false);
             }
-            else // 4p mode
+            else /* 4p mode */
             {
-               // no OAM available
+               /* no OAM available */
                DSP4.out_count = 0;
                DSP4_WRITE_WORD(0, 0);
             }
diff --git a/source/dsp1emu.c b/source/dsp1emu.c
index 1a78e5f..e7c3f7d 100644
--- a/source/dsp1emu.c
+++ b/source/dsp1emu.c
@@ -168,7 +168,7 @@ int16_t Op10ExponentR;
 
 void DSP1_Inverse(int16_t Coefficient, int16_t Exponent, int16_t* iCoefficient, int16_t* iExponent)
 {
-   // Step One: Division by Zero
+   /* Step One: Division by Zero */
    if (Coefficient == 0x0000)
    {
       *iCoefficient = 0x7fff;
@@ -178,7 +178,7 @@ void DSP1_Inverse(int16_t Coefficient, int16_t Exponent, int16_t* iCoefficient,
    {
       int16_t Sign = 1;
 
-      // Step Two: Remove Sign
+      /* Step Two: Remove Sign */
       if (Coefficient < 0)
       {
          if (Coefficient < -32767)
@@ -187,14 +187,14 @@ void DSP1_Inverse(int16_t Coefficient, int16_t Exponent, int16_t* iCoefficient,
          Sign = -1;
       }
 
-      // Step Three: Normalize
+      /* Step Three: Normalize */
       while (Coefficient < 0x4000)
       {
          Coefficient <<= 1;
          Exponent--;
       }
 
-      // Step Four: Special Case
+      /* Step Four: Special Case */
       if (Coefficient == 0x4000)
       {
          if (Sign == 1)
@@ -207,10 +207,10 @@ void DSP1_Inverse(int16_t Coefficient, int16_t Exponent, int16_t* iCoefficient,
       }
       else
       {
-         // Step Five: Initial Guess
+         /* Step Five: Initial Guess */
          int16_t i = DSP1ROM[((Coefficient - 0x4000) >> 7) + 0x0065];
 
-         // Step Six: Iterate "estimated" Newton's Method
+         /* Step Six: Iterate "estimated" Newton's Method */
          i = (i + (-i * (Coefficient * i >> 15) >> 15)) << 1;
          i = (i + (-i * (Coefficient * i >> 15) >> 15)) << 1;
 
@@ -467,13 +467,13 @@ int16_t VOffset;
 int16_t VPlane_C;
 int16_t VPlane_E;
 
-// Azimuth and Zenith angles
+/* Azimuth and Zenith angles */
 int16_t SinAas;
 int16_t CosAas;
 int16_t SinAzs;
 int16_t CosAzs;
 
-// Clipped Zenith angle
+/* Clipped Zenith angle */
 int16_t SinAZS;
 int16_t CosAZS;
 int16_t SecAZS_C1;
@@ -498,10 +498,10 @@ void DSP1_Parameter(int16_t Fx, int16_t Fy, int16_t Fz, int16_t Lfe, int16_t Les
    int16_t LesNx, LesNy, LesNz;
    int16_t CentreZ;
 
-   // Copy Zenith angle for clipping
+   /* Copy Zenith angle for clipping */
    int16_t AZS = Azs;
 
-   // Store Sine and Cosine of Azimuth and Zenith angle
+   /* Store Sine and Cosine of Azimuth and Zenith angle */
    SinAas = DSP1_Sin(Aas);
    CosAas = DSP1_Cos(Aas);
    SinAzs = DSP1_Sin(Azs);
@@ -515,7 +515,7 @@ void DSP1_Parameter(int16_t Fx, int16_t Fy, int16_t Fz, int16_t Lfe, int16_t Les
    LfeNy = Lfe * Ny >> 15;
    LfeNz = Lfe * Nz >> 15;
 
-   // Center of Projection
+   /* Center of Projection */
    CentreX = Fx + LfeNx;
    CentreY = Fy + LfeNy;
    CentreZ = Fz + LfeNz;
@@ -538,7 +538,7 @@ void DSP1_Parameter(int16_t Fx, int16_t Fy, int16_t Fz, int16_t Lfe, int16_t Les
    VPlane_C = C;
    VPlane_E = E;
 
-   // Determine clip boundary and clip Zenith angle if necessary
+   /* Determine clip boundary and clip Zenith angle if necessary */
    MaxAZS = MaxAZS_Exp[-E];
 
    if (AZS < 0)
@@ -550,7 +550,7 @@ void DSP1_Parameter(int16_t Fx, int16_t Fy, int16_t Fz, int16_t Lfe, int16_t Les
    else if (AZS > MaxAZS)
       AZS = MaxAZS;
 
-   // Store Sine and Cosine of clipped Zenith angle
+   /* Store Sine and Cosine of clipped Zenith angle */
    SinAZS = DSP1_Sin(AZS);
    CosAZS = DSP1_Cos(AZS);
 
@@ -566,7 +566,7 @@ void DSP1_Parameter(int16_t Fx, int16_t Fy, int16_t Fz, int16_t Lfe, int16_t Les
    *Cx = CentreX;
    *Cy = CentreY;
 
-   // Raster number of imaginary center and horizontal line
+   /* Raster number of imaginary center and horizontal line */
    *Vof = 0;
 
    if ((Azs != AZS) || (Azs == MaxAZS))
@@ -601,7 +601,7 @@ void DSP1_Parameter(int16_t Fx, int16_t Fy, int16_t Fz, int16_t Lfe, int16_t Les
 
    *Vva = DSP1_Truncate(-C, E);
 
-   // Store Secant of clipped Zenith angle
+   /* Store Secant of clipped Zenith angle */
    DSP1_Inverse(CosAZS, 0, &SecAZS_C2, &SecAZS_E2);
 }
 
@@ -677,7 +677,7 @@ void DSP1_Project(int16_t X, int16_t Y, int16_t Z, int16_t *H, int16_t *V, int16
    DSP1_NormalizeDouble((int32_t) Y - Gy, &Py, &E);
    DSP1_NormalizeDouble((int32_t) Z - Gz, &Pz, &E3);
    Px>>=1;
-   E4--; // to avoid overflows when calculating the scalar products
+   E4--; /* to avoid overflows when calculating the scalar products */
    Py>>=1;
    E--;
    Pz>>=1;
@@ -686,56 +686,56 @@ void DSP1_Project(int16_t X, int16_t Y, int16_t Z, int16_t *H, int16_t *V, int16
    refE = MIN(E, E3);
    refE = MIN(refE, E4);
 
-   Px = DSP1_ShiftR(Px, E4 - refE); // normalize them to the same exponent
+   Px = DSP1_ShiftR(Px, E4 - refE); /* normalize them to the same exponent */
    Py = DSP1_ShiftR(Py, E - refE);
    Pz = DSP1_ShiftR(Pz, E3 - refE);
 
    C11 = -(Px * Nx >> 15);
    C8 = -(Py * Ny >> 15);
    C9 = -(Pz * Nz >> 15);
-   C12 = C11 + C8 + C9; // this cannot overflow!
+   C12 = C11 + C8 + C9; /* this cannot overflow! */
 
-   aux4 = C12; // de-normalization with 32-bit arithmetic
-   refE = 16 - refE; // refE can be up to 3
+   aux4 = C12; /* de-normalization with 32-bit arithmetic */
+   refE = 16 - refE; /* refE can be up to 3 */
    if (refE >= 0)
      aux4 <<= refE;
    else
      aux4 >>= -refE;
    if (aux4 == -1)
-      aux4 = 0; // why?
+      aux4 = 0; /* why? */
    aux4>>=1;
 
-   aux = ((int16_t) G_Les) + aux4; // Les - the scalar product of P with the normal vector of the screen
+   aux = ((int16_t) G_Les) + aux4; /* Les - the scalar product of P with the normal vector of the screen */
    DSP1_NormalizeDouble(aux, &C10, &E2);
    E2 = 15 - E2;
 
    DSP1_Inverse(C10, 0, &C4, &E4);
-   C2 = C4 * C_Les >> 15; // scale factor
+   C2 = C4 * C_Les >> 15; /* scale factor */
 
-   // H
+   /* H */
    E7 = 0;
    C16 = (Px * (CosAas * 0x7fff >> 15) >> 15);
    C20 = (Py * (SinAas * 0x7fff >> 15) >> 15);
-   C17 = C16 + C20; // scalar product of P with the normalized horizontal vector of the screen...
+   C17 = C16 + C20; /* scalar product of P with the normalized horizontal vector of the screen... */
 
-   C18 = C17 * C2 >> 15; // ... multiplied by the scale factor
+   C18 = C17 * C2 >> 15; /* ... multiplied by the scale factor */
    DSP1_Normalize(C18, &C19, &E7);
    *H = DSP1_Truncate(C19, E_Les - E2 + refE + E7);
 
-   // V
+   /* V */
    E6 = 0;
    C21 = Px * (CosAzs * -SinAas >> 15) >> 15;
    C22 = Py * (CosAzs * CosAas >> 15) >> 15;
    C23 = Pz * (-SinAzs * 0x7fff >> 15) >> 15;
-   C24 = C21 + C22 + C23; // scalar product of P with the normalized vertical vector of the screen...
+   C24 = C21 + C22 + C23; /* scalar product of P with the normalized vertical vector of the screen... */
 
-   C26 = C24 * C2 >> 15; // ... multiplied by the scale factor
+   C26 = C24 * C2 >> 15; /* ... multiplied by the scale factor */
    DSP1_Normalize(C26, &C25, &E6);
    *V = DSP1_Truncate(C25, E_Les - E2 + refE + E6);
 
-   // M
+   /* M */
    DSP1_Normalize(C2, &C6, &E4);
-   *M = DSP1_Truncate(C6, E4 + E_Les - E2 - 7); // M is the scale factor divided by 2^7
+   *M = DSP1_Truncate(C6, E4 + E_Les - E2 - 7); /* M is the scale factor divided by 2^7 */
 }
 
 int16_t Op06X;
@@ -935,7 +935,7 @@ void DSPOp14(void)
 
    DSP1_Inverse(DSP1_Cos(Op14Xr), 0, &CSec, &ESec);
 
-   // Rotation Around Z
+   /* Rotation Around Z */
    DSP1_NormalizeDouble(Op14U * DSP1_Cos(Op14Yr) - Op14F * DSP1_Sin(Op14Yr), &C, &E);
 
    E = ESec - E;
@@ -944,10 +944,10 @@ void DSPOp14(void)
 
    Op14Zrr = Op14Zr + DSP1_Truncate(C, E);
 
-   // Rotation Around X
+   /* Rotation Around X */
    Op14Xrr = Op14Xr + (Op14U * DSP1_Sin(Op14Yr) >> 15) + (Op14F * DSP1_Cos(Op14Yr) >> 15);
 
-   // Rotation Around Y
+   /* Rotation Around Y */
    DSP1_NormalizeDouble(Op14U * DSP1_Cos(Op14Yr) + Op14F * DSP1_Sin(Op14Yr), &C, &E);
 
    E = ESec - E;
@@ -1091,19 +1091,19 @@ int16_t Op1CZ2;
 
 void DSPOp1C(void)
 {
-   // Rotate Around Op1CZ1
+   /* Rotate Around Op1CZ1 */
    Op1CX1 = (Op1CYBR * DSP1_Sin(Op1CZ) >> 15) + (Op1CXBR * DSP1_Cos(Op1CZ) >> 15);
    Op1CY1 = (Op1CYBR * DSP1_Cos(Op1CZ) >> 15) - (Op1CXBR * DSP1_Sin(Op1CZ) >> 15);
    Op1CXBR = Op1CX1;
    Op1CYBR = Op1CY1;
 
-   // Rotate Around Op1CY1
+   /* Rotate Around Op1CY1 */
    Op1CZ1 = (Op1CXBR * DSP1_Sin(Op1CY) >> 15) + (Op1CZBR * DSP1_Cos(Op1CY) >> 15);
    Op1CX1 = (Op1CXBR * DSP1_Cos(Op1CY) >> 15) - (Op1CZBR * DSP1_Sin(Op1CY) >> 15);
    Op1CXAR = Op1CX1;
    Op1CZBR = Op1CZ1;
 
-   // Rotate Around Op1CX1
+   /* Rotate Around Op1CX1 */
    Op1CY1 = (Op1CZBR * DSP1_Sin(Op1CX) >> 15) + (Op1CYBR * DSP1_Cos(Op1CX) >> 15);
    Op1CZ1 = (Op1CZBR * DSP1_Cos(Op1CX) >> 15) - (Op1CYBR * DSP1_Sin(Op1CX) >> 15);
    Op1CYAR = Op1CY1;
diff --git a/source/dsp2emu.c b/source/dsp2emu.c
index 4e22d54..48e06c2 100644
--- a/source/dsp2emu.c
+++ b/source/dsp2emu.c
@@ -11,30 +11,31 @@ uint8_t DSP2Op05Transparent = 0;
 void DSP2_Op05(void)
 {
    uint8_t color;
-   // Overlay bitmap with transparency.
-   // Input:
-   //
-   //   Bitmap 1:  i[0] <=> i[size-1]
-   //   Bitmap 2:  i[size] <=> i[2*size-1]
-   //
-   // Output:
-   //
-   //   Bitmap 3:  o[0] <=> o[size-1]
-   //
-   // Processing:
-   //
-   //   Process all 4-bit pixels (nibbles) in the bitmap
-   //
-   //   if ( BM2_pixel == transparent_color )
-   //      pixelout = BM1_pixel
-   //   else
-   //      pixelout = BM2_pixel
+   /* Overlay bitmap with transparency.
+    * Input:
+    *
+    *   Bitmap 1:  i[0] <=> i[size-1]
+    *   Bitmap 2:  i[size] <=> i[2*size-1]
+    *
+    * Output:
+    *
+    *   Bitmap 3:  o[0] <=> o[size-1]
+    *
+    * Processing:
+    *
+    *   Process all 4-bit pixels (nibbles) in the bitmap
+    *
+    *   if ( BM2_pixel == transparent_color )
+    *      pixelout = BM1_pixel
+    *   else
+    *      pixelout = BM2_pixel
 
-   // The max size bitmap is limited to 255 because the size parameter is a byte
-   // I think size=0 is an error.  The behavior of the chip on size=0 is to
-   // return the last value written to DR if you read DR on Op05 with
-   // size = 0.  I don't think it's worth implementing this quirk unless it's
-   // proven necessary.
+    * The max size bitmap is limited to 255 because the size parameter is a byte
+    * I think size=0 is an error.  The behavior of the chip on size=0 is to
+    * return the last value written to DR if you read DR on Op05 with
+    * size = 0.  I don't think it's worth implementing this quirk unless it's
+    * proven necessary.
+    */
 
    int32_t n;
    uint8_t c1;
@@ -55,15 +56,15 @@ void DSP2_Op05(void)
 
 void DSP2_Op01(void)
 {
-   // Op01 size is always 32 bytes input and output.
-   // The hardware does strange things if you vary the size.
+   /* Op01 size is always 32 bytes input and output.
+    * The hardware does strange things if you vary the size. */
    int32_t j;
    uint8_t c0, c1, c2, c3;
    uint8_t* p1 = DSP1.parameters;
    uint8_t* p2a = DSP1.output;
-   uint8_t* p2b = &DSP1.output[16]; // halfway
+   uint8_t* p2b = &DSP1.output[16]; /* halfway */
 
-   // Process 8 blocks of 4 bytes each
+   /* Process 8 blocks of 4 bytes each */
    for (j = 0; j < 8; j++)
    {
       c0 = *p1++;
@@ -79,9 +80,10 @@ void DSP2_Op01(void)
 
 void DSP2_Op06(void)
 {
-   // Input:
-   //    size
-   //    bitmap
+   /* Input:
+    *    size
+    *    bitmap
+    */
 
    int32_t i, j;
 
@@ -93,10 +95,10 @@ bool DSP2Op0DHasLen = false;
 int32_t DSP2Op0DOutLen = 0;
 int32_t DSP2Op0DInLen = 0;
 
-// Scale bitmap based on input length out output length
+/* Scale bitmap based on input length out output length */
 void DSP2_Op0D(void)
 {
-   // (Modified) Overload's algorithm
+   /* (Modified) Overload's algorithm */
    int32_t i;
    for(i = 0 ; i < DSP2Op0DOutLen ; i++)
    {
diff --git a/source/dsp4emu.c b/source/dsp4emu.c
index 921f896..6c492e9 100644
--- a/source/dsp4emu.c
+++ b/source/dsp4emu.c
@@ -9,7 +9,7 @@
 #define DSP4_WRITE_WORD(x,d) \
    WRITE_WORD(DSP4.output+x,d);
 
-// used to wait for dsp i/o
+/* used to wait for dsp i/o */
 #define DSP4_WAIT(x) \
     DSP4_Logic = x; \
     return
@@ -26,14 +26,14 @@ int16_t DSP4_UnknownOP11(int16_t A, int16_t B, int16_t C, int16_t D)
 
 void DSP4_Op06(bool size, bool msb)
 {
-   // save post-oam table data for future retrieval
+   /* save post-oam table data for future retrieval */
    op06_OAM[op06_index] |= (msb << (op06_offset + 0));
    op06_OAM[op06_index] |= (size << (op06_offset + 1));
    op06_offset += 2;
 
    if (op06_offset == 8)
    {
-      // move to next byte in buffer
+      /* move to next byte in buffer */
       op06_offset = 0;
       op06_index++;
    }
@@ -48,7 +48,7 @@ void DSP4_Op01(void)
    uint16_t command;
    DSP4.waiting4command = false;
 
-   switch (DSP4_Logic) // op flow control
+   switch (DSP4_Logic) /* op flow control */
    {
    case 1:
       goto resume1;
@@ -58,10 +58,11 @@ void DSP4_Op01(void)
       break;
    }
 
-   ////////////////////////////////////////////////////
-   // process initial inputs
+   /*
+    * process initial inputs
+    */
 
-   // sort inputs
+   /* sort inputs */
    project_focaly = DSP4_READ_WORD(0x02);
    raster = DSP4_READ_WORD(0x04);
    viewport_top = DSP4_READ_WORD(0x06);
@@ -78,36 +79,37 @@ void DSP4_Op01(void)
    far_plane = DSP4_READ_WORD(0x1e);
    project_y1low = DSP4_READ_WORD(0x22);
 
-   // pre-compute
+   /* pre-compute */
    view_plane = PLANE_START;
 
-   // find starting projection points
+   /* find starting projection points */
    project_x1 = project_focalx;
    project_y -= viewport_bottom;
    project_x = project_centerx + project_x1;
 
-   // multi-op storage
+   /* multi-op storage */
    multi_index1 = 0;
    multi_index2 = 0;
 
-   ////////////////////////////////////////////////////
-   // command check
+   /*
+    * command check
+    */
 
    do
    {
-      // scan next command
+      /* scan next command */
       DSP4.in_count = 2;
       DSP4_WAIT(1);
 
 resume1:
-      // inspect input
+      /* inspect input */
       command = DSP4_READ_WORD(0);
 
-      // check for termination
+      /* check for termination */
       if(command == 0x8000)
          break;
 
-      // already have 2 bytes in queue
+      /* already have 2 bytes in queue */
       DSP4.in_index = 2;
       DSP4.in_count = 8;
       DSP4_WAIT(2);
@@ -1226,7 +1228,7 @@ resume7:
       {
          sprite_type = 2;
 
-         // shift bytes
+         /* shift bytes */
          DSP4.parameters[2] = DSP4.parameters[0];
          DSP4.parameters[3] = DSP4.parameters[1];
          DSP4.parameters[0] = 0;
diff --git a/source/fxemu.c b/source/fxemu.c
index 1a6ca7b..dd798fd 100644
--- a/source/fxemu.c
+++ b/source/fxemu.c
@@ -22,7 +22,7 @@ void fx_flushCache(void)
 
 void fx_updateRamBank(uint8_t Byte)
 {
-   // Update BankReg and Bank pointer
+   /* Update BankReg and Bank pointer */
    GSU.vRamBankReg = (uint32_t) Byte & (FX_RAM_BANKS - 1);
    GSU.pvRamBank = GSU.apvRamBank[Byte & 0x3];
 }
diff --git a/source/fxinst.c b/source/fxinst.c
index d48631d..7b79cd5 100644
--- a/source/fxinst.c
+++ b/source/fxinst.c
@@ -851,7 +851,7 @@ static INLINE void fx_cmode(void)
    GSU.vPlotOptionReg = SREG;
 
    if (GSU.vPlotOptionReg & 0x10)
-      GSU.vScreenHeight = 256; // OBJ Mode (for drawing into sprites)
+      GSU.vScreenHeight = 256; /* OBJ Mode (for drawing into sprites) */
    else
       GSU.vScreenHeight = GSU.vScreenRealHeight;
 
diff --git a/source/getset.h b/source/getset.h
index c7f4950..1435348 100644
--- a/source/getset.h
+++ b/source/getset.h
@@ -38,10 +38,10 @@ inline uint8_t S9xGetByte(uint32_t Address)
       return S9xGetDSP(Address & 0xffff);
    case MAP_SA1RAM:
    case MAP_LOROM_SRAM:
-      //Address & 0x7FFF - offset into bank
-      //Address & 0xFF0000 - bank
-      //bank >> 1 | offset = s-ram address, unbound
-      //unbound & SRAMMask = Sram offset
+      /*Address & 0x7FFF - offset into bank
+       *Address & 0xFF0000 - bank
+       *bank >> 1 | offset = s-ram address, unbound
+       *unbound & SRAMMask = Sram offset */
       return Memory.SRAM[(((Address & 0xFF0000) >> 1) | (Address & 0x7FFF)) &Memory.SRAMMask];
    case MAP_RONLY_SRAM:
    case MAP_HIROM_SRAM:
@@ -99,10 +99,10 @@ inline uint16_t S9xGetWord(uint32_t Address)
       return S9xGetDSP(Address & 0xffff) | (S9xGetDSP((Address + 1) & 0xffff) << 8);
    case MAP_SA1RAM:
    case MAP_LOROM_SRAM:
-      //Address & 0x7FFF - offset into bank
-      //Address & 0xFF0000 - bank
-      //bank >> 1 | offset = s-ram address, unbound
-      //unbound & SRAMMask = Sram offset
+      /*Address & 0x7FFF - offset into bank
+       *Address & 0xFF0000 - bank
+       *bank >> 1 | offset = s-ram address, unbound
+       *unbound & SRAMMask = Sram offset */
       /* BJ: no FAST_LSB_WORD_ACCESS here, since if Memory.SRAMMask=0x7ff
        * then the high byte doesn't follow the low byte. */
       return *(Memory.SRAM + ((((Address & 0xFF0000) >> 1) | (Address & 0x7FFF)) & Memory.SRAMMask)) | ((*(Memory.SRAM + (((((Address + 1) & 0xFF0000) >> 1) | ((Address + 1) & 0x7FFF)) & Memory.SRAMMask))) << 8);
@@ -320,8 +320,8 @@ inline uint8_t* GetBasePointer(uint32_t Address)
       return s7r.bank50;
    case MAP_SPC7110_ROM:
       return Get7110BasePtr(Address);
-   case MAP_PPU: //just a guess, but it looks like this should match the CPU as a source.
-   case MAP_CPU: //fixes Ogre Battle's green lines
+   case MAP_PPU: /*just a guess, but it looks like this should match the CPU as a source. */
+   case MAP_CPU: /*fixes Ogre Battle's green lines */
    case MAP_OBC_RAM:
       return Memory.FillRAM;
    case MAP_DSP:
diff --git a/source/globals.c b/source/globals.c
index 233ca42..14b8a64 100644
--- a/source/globals.c
+++ b/source/globals.c
@@ -94,12 +94,12 @@ uint8_t BitShifts[8][4] =
 {
    {2, 2, 2, 2}, /* 0 */
    {4, 4, 2, 0}, /* 1 */
-   {4, 4, 0, 0}, // 2
-   {8, 4, 0, 0}, // 3
-   {8, 2, 0, 0}, // 4
-   {4, 2, 0, 0}, // 5
-   {4, 0, 0, 0}, // 6
-   {8, 0, 0, 0}  // 7
+   {4, 4, 0, 0}, /* 2 */
+   {8, 4, 0, 0}, /* 3 */
+   {8, 2, 0, 0}, /* 4 */
+   {4, 2, 0, 0}, /* 5 */
+   {4, 0, 0, 0}, /* 6 */
+   {8, 0, 0, 0}  /* 7 */
 };
 uint8_t TileShifts[8][4] =
 {
-- 
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