apps/cube: some minor adjustments

dinoboards · Nov 8, 2024 · 6b1de08 · 6b1de08
1 parent 3e92471
commit 6b1de08
Showing 1 changed file with 14 additions and 2 deletions.
diff --git a/apps/cube/cube.c b/apps/cube/cube.c
@@ -7,7 +7,7 @@
 #define LEFT   0
 #define RIGHT  255
 #define TOP    0
-#define BOTTOM (212)
+#define BOTTOM (192)
 #define WIDTH  (RIGHT - LEFT)
 #define HEIGHT (BOTTOM - TOP)
 
@@ -126,9 +126,21 @@ void draw_cube(int24_t timeNow) {
   swap_page();
 }
 
+void write_vdp_memory(uint24_t address, uint8_t value) {
+  const uint8_t A16_A14 = (address >> 14) & 0x07;
+  const uint8_t A13_A8  = (address >> 8) & 0x3F;
+  const uint8_t A7_A0   = address & 0xFF;
+
+  vdp_reg_write(14, A16_A14);
+  vdp_out_cmd(A7_A0);
+  vdp_out_cmd(A13_A8 | 0x40);   //enable write
+  vdp_out_dat(value);
+}
+
+
 int main(/*const int argc, const char *argv[]*/) {
 
-  vdp_set_mode(7, 192, PAL);
+  vdp_set_mode(7, 192, NTSC);
   vdp_erase_bank0(0);
   vdp_erase_bank1(0);
   erase_page_0();