Remove unnecessary priority changes

2 files changed, 4 insertions, 15 deletions

diff --git a/src/main.c b/src/main.c
index 8d88b83..d2137c3 100644
--- a/src/main.c
+++ b/src/main.c
@@ -133,17 +133,7 @@ int main(void) {
         bios_vblank_wait();
 
         PROF(test_clear(), test_clear_cycles);
-        // PROF(test_lines(), test_lines_cycles);
-
-        // ANIMATION EXAMPLE
-        // draw_rect(0 + x, 0, 100 + x, 100, 2);
-        // x += inc;
-        // if (x >= 50) {
-        //     inc = -1;
-        // } else if (x <= 0) {
-        //     inc = 1;
-        // }
-
+        PROF(test_lines(), test_lines_cycles);
         PROF(test_rect(), test_rect_cycles);
         PROF(test_fill_rect(), test_fill_rect_cycles);
         PROF(test_chr(), test_chr_cycles);
diff --git a/src/renderer_m0.c b/src/renderer_m0.c
index 1d28fb9..97899aa 100644
--- a/src/renderer_m0.c
+++ b/src/renderer_m0.c
@@ -146,6 +146,7 @@ draw_line(size_t x0, size_t y0, size_t x1, size_t y1, u8 clr) {
         MAYBE_SWAP(y0, y1);
         draw_vline(x0, y0, y1, clr);
     } else {
+        // ...
         // // Diagonal line.
         // int     dx = x0 > x1 ?       x0 - x1 : x1 - x0;
         // int     dy = y0 > y1 ?       y0 - y1 : y1 - y0;
@@ -445,18 +446,16 @@ draw_filled_rect(size_t x0, size_t y0, size_t x1, size_t y1, u8 clr) {
 IWRAM_CODE
 void
 flip_buffer(void) {
+    // NOTE: can this be branchless? Either way is probably unnecessary other
+    // than code clarity maybe?.
     if (backbuf == BUF_0) {
         backbuf = BUF_1;
         BG_H_SCROLL_0 = 0;
         BG_H_SCROLL_1 = -240;
-        BG_CTRL(0) = BG_CHARBLOCK(CB_0) | BG_SCREENBLOCK(SB_0) | BG_PRIORITY(0) | BG_SIZE(1);
-        BG_CTRL(1) = BG_CHARBLOCK(CB_1) | BG_SCREENBLOCK(SB_1) | BG_PRIORITY(2) | BG_SIZE(1);
     } else {
         backbuf = BUF_0;
         BG_H_SCROLL_0 = -240;
         BG_H_SCROLL_1 = 0;
-        BG_CTRL(0) = BG_CHARBLOCK(CB_0) | BG_SCREENBLOCK(SB_0) | BG_PRIORITY(2) | BG_SIZE(1);
-        BG_CTRL(1) = BG_CHARBLOCK(CB_1) | BG_SCREENBLOCK(SB_1) | BG_PRIORITY(0) | BG_SIZE(1);
     }
     // TODO: Copying all tiles for now. Study if it's better to use dirty_tiles
     // or dirty_lines.