- [NEW] [TIA] NUSIZ0, NUSIZ1, COLUP0, COLUP1, COLUPF, COLUPBK

- [NEW] Paleta NTSC

tia.cpp

@@ -2,6 +2,43 @@
 
 namespace tia
 {
+    // Standard Stella NTSC Palette (ARGB format: 0xFFRRGGBB)
+    // Indexed by: (COLUx >> 1) & 0x7F
+    const uint32_t NTSC_PALETTE[128] = {
+        // Hue $0 (Grayscale / Monochromatic)
+        0xFF000000, 0xFF282828, 0xFF444444, 0xFF5C5C5C, 0xFF707070, 0xFF848484, 0xFF989898, 0xFFACACAC,
+        // Hue $1 (Gold / Yellow-Orange)
+        0xFF4C2C00, 0xFF684400, 0xFF845C00, 0xFF9C7400, 0xFFB48C00, 0xFFCCA414, 0xFFE4BC34, 0xFFFCD454,
+        // Hue $2 (Orange / Red-Orange)
+        0xFF541800, 0xFF742C00, 0xFF904400, 0xFFA85C00, 0xFFC07400, 0xFFD88C00, 0xFFF0A420, 0xFFFFBC40,
+        // Hue $3 (Red-Orange)
+        0xFF580C00, 0xFF781C00, 0xFF943000, 0xFFB04800, 0xFFC86000, 0xFFE07808, 0xFFF89028, 0xFFFFA848,
+        // Hue $4 (Magenta / Red-Violet)
+        0xFF540420, 0xFF74103C, 0xFF902058, 0xFFAC3474, 0xFFC4488C, 0xFFDC5CA8, 0xFFF474C0, 0xFFFF8CD8,
+        // Hue $5 (Purple / Violet)
+        0xFF440454, 0xFF601074, 0xFF7C2090, 0xFF9434AC, 0xFFAC48C4, 0xFFC45CDC, 0xFFDC74F4, 0xFFF48CFF,
+        // Hue $6 (Blue-Violet / Indigo)
+        0xFF2C0874, 0xFF441494, 0xFF5C24B0, 0xFF7438CC, 0xFF8C4CE4, 0xFFA460FC, 0xFFBC78FF, 0xFFD490FF,
+        // Hue $7 (Blue)
+        0xFF101480, 0xFF2424A0, 0xFF3C38BC, 0xFF504CD4, 0xFF6860EC, 0xFF8078FF, 0xFF9890FF, 0xFFB0A8FF,
+        // Hue $8 (Blue-Cyan)
+        0xFF002074, 0xFF003494, 0xFF0C48B0, 0xFF2060CC, 0xFF3474E4, 0xFF4C8CFC, 0xFF64A4FF, 0xFF7CBCFF,
+        // Hue $9 (Cyan / Blue-Green)
+        0xFF002854, 0xFF004074, 0xFF005490, 0xFF006CAC, 0xFF1880C4, 0xFF3098DC, 0xFF48B0F4, 0xFF60C8FF,
+        // Hue $A (Teal / Green-Cyan)
+        0xFF00302C, 0xFF004844, 0xFF00605C, 0xFF007874, 0xFF00908C, 0xFF1CA8A4, 0xFF38C0BC, 0xFF54D8D4,
+        // Hue $B (Green)
+        0xFF003408, 0xFF004C18, 0xFF00642C, 0xFF007C40, 0xFF009454, 0xFF14AC6C, 0xFF30C484, 0xFF4CDC9C,
+        // Hue $C (Yellow-Green)
+        0xFF0C3400, 0xFF204C00, 0xFF346400, 0xFF487C00, 0xFF5C9400, 0xFF74AC10, 0xFF8CC428, 0xFFA4DC44,
+        // Hue $D (Olive Green)
+        0xFF243000, 0xFF3C4800, 0xFF546000, 0xFF6C7800, 0xFF849000, 0xFF9CA800, 0xFFB4C018, 0xFFCCC434,
+        // Hue $E (Brown / Olive-Yellow)
+        0xFF3C2C00, 0xFF584000, 0xFF745800, 0xFF8C6C00, 0xFFA48400, 0xFFBC9C00, 0xFFD4B420, 0xFFECC83C,
+        // Hue $F (Orange-Brown)
+        0xFF482400, 0xFF643800, 0xFF805000, 0xFF986400, 0xFFB07C00, 0xFFC89400, 0xFFE0AC28, 0xFFF8C444
+    };
+
     uint8_t collisions[8] { 0, 0, 0, 0, 0, 0, 0, 0 };
 
     float paddle_pos[4] { 0.5f, 0.5f, 0.5f, 0.5f };
@@ -10,6 +47,21 @@ namespace tia
     bool joy0_button_pressed = false;
     bool joy1_button_pressed = false;
 
+    uint8_t missile0_size = 1;
+    uint8_t player0_size = 1;
+    uint8_t player0_num_copies = 1;
+    uint8_t player0_copies_distance = 0;
+    uint32_t player0_color = 0x00000000;
+
+    uint8_t missile1_size = 1;
+    uint8_t player1_size = 1;
+    uint8_t player1_num_copies = 1;
+    uint8_t player1_copies_distance = 0;
+    uint32_t player1_color = 0x00000000;
+
+    uint32_t playfield_color = 0x00000000;
+    uint32_t background_color = 0x00000000;
+
     uint32_t current_frame_cycles = 0;
 
     bool vsync_set = false;
@@ -18,6 +70,7 @@ namespace tia
     bool vblank_dump = false;
 
     uint16_t color_clock = 0;
+    uint16_t current_scanline = 0;
     bool rdy_low = false;
 
     void reset()
@@ -30,7 +83,10 @@ namespace tia
         if (!vblank_dump) current_frame_cycles++;
         color_clock = (color_clock + 1) % 228;
 
-        if (color_clock == 0) rdy_low = false;
+        if (color_clock == 0) {
+            rdy_low = false;
+            current_scanline++;
+        }
 
         // [TODO] Pintar pixels
     }
@@ -92,7 +148,45 @@ namespace tia
 
             case 0x03: // RSYNC
                 color_clock = 0;
+                rdy_low = false;
                 break;
+
+            case 0x004: // NUSIZ0
+                missile0_size = 1 << ((value >> 4) & 0x03);
+                switch (value & 0x07) {
+                    case 0: player0_num_copies = 1; player0_copies_distance = 0; player0_size = 1; break;
+                    case 1: player0_num_copies = 2; player0_copies_distance = 2; player0_size = 1; break;
+                    case 2: player0_num_copies = 2; player0_copies_distance = 4; player0_size = 1; break;
+                    case 3: player0_num_copies = 3; player0_copies_distance = 2; player0_size = 1; break;
+                    case 4: player0_num_copies = 2; player0_copies_distance = 8; player0_size = 1; break;
+                    case 5: player0_num_copies = 1; player0_copies_distance = 0; player0_size = 2; break;
+                    case 6: player0_num_copies = 3; player0_copies_distance = 4; player0_size = 1; break;
+                    case 7: player0_num_copies = 1; player0_copies_distance = 0; player0_size = 4; break;
+                }
+                break;
+
+            case 0x005: // NUSIZ1
+                missile1_size = 1 << ((value >> 4) & 0x03);
+                switch (value & 0x07) {
+                    case 0: player1_num_copies = 1; player1_copies_distance = 0; player1_size = 1; break;
+                    case 1: player1_num_copies = 2; player1_copies_distance = 2; player1_size = 1; break;
+                    case 2: player1_num_copies = 2; player1_copies_distance = 4; player1_size = 1; break;
+                    case 3: player1_num_copies = 3; player1_copies_distance = 2; player1_size = 1; break;
+                    case 4: player1_num_copies = 2; player1_copies_distance = 8; player1_size = 1; break;
+                    case 5: player1_num_copies = 1; player1_copies_distance = 0; player1_size = 2; break;
+                    case 6: player1_num_copies = 3; player1_copies_distance = 4; player1_size = 1; break;
+                    case 7: player1_num_copies = 1; player1_copies_distance = 0; player1_size = 4; break;
+                }
+                break;
+
+            case 0x06: // COLUP0
+                player0_color = NTSC_PALETTE[(value >> 1) & 0x7F]; break;
+            case 0x07: // COLUP1
+                player1_color = NTSC_PALETTE[(value >> 1) & 0x7F]; break;
+            case 0x08: // COLUPF
+                playfield_color = NTSC_PALETTE[(value >> 1) & 0x7F]; break;
+            case 0x09: // COLUBK
+                background_color = NTSC_PALETTE[(value >> 1) & 0x7F]; break;
         }
     }