Fix showing the color palette

1 files changed, 8 insertions, 6 deletions

diff --git a/vdp.cpp b/vdp.cpp
index 08640fa..930af09 100644
--- a/vdp.cpp
+++ b/vdp.cpp
@@ -142,13 +142,14 @@ bool VDP::Scanline()
         return true;
     }
     const uint16_t lines_per_screen = _status.pal_mode ? kLinesPerScreenPAL : kLinesPerScreenNTSC;
-    if (_lines_counter + 1 == lines_per_screen) {
+    // TODO remove the `1 || ` part
+    if (1 || _lines_counter + 1 == lines_per_screen) {
         for (size_t i = 0; i < render_width; i++) {
             const size_t color_index = (i * 2) % kCRAMSize;
-            const uint16_t cram_color = ((_cram[color_index] & 0x1) << 8) | _cram[color_index + 1];
-            const uint8_t blue = cram_color & 7;
-            const uint8_t green = (cram_color >> 3) & 7;
-            const uint8_t red = (cram_color >> 6) & 7;
+            const uint16_t cram_color = (((uint16_t)_cram[color_index]) << 8) | _cram[color_index + 1];
+            const uint8_t blue = ((cram_color >> 9) & 7) << 4;
+            const uint8_t green = ((cram_color >> 5) & 7) << 4;
+            const uint8_t red = ((cram_color >> 1) & 7) << 4;
             const uint32_t color = 0xff000000 | (red << 16) | (green << 8) | blue;
             _rendered_buffer[render_width * _lines_counter + i] = color;
         }
@@ -161,7 +162,8 @@ bool VDP::Scanline()
     if (_lines_counter >= lines_per_screen) {
         _lines_counter = 0;
         if (MODESET2_IE0_GET(mode_set_2)) {
-            m68k_set_irq(6);
+            // TODO somehow this acknowledgment messes up the `hello word` example
+            //m68k_set_irq(6);
             _status.vblank = true;
             return true;
         }