Fix bank switching

3 files changed, 5 insertions, 4 deletions

diff --git a/src/devices.c b/src/devices.c
index 2146bd3..49fc4ac 100644
--- a/src/devices.c
+++ b/src/devices.c
@@ -108,9 +108,9 @@ deo_screen(u8 *dev, u8 port) {
 void
 deo_system(u8 *dev, u8 port) {
     switch(port) {
-        case 0x3: {
-            // Rom bank switching (Needs testing).
-            u16 addr = PEEK2(dev + 0x2);
+        case 0x2: {
+            // Rom bank switching.
+            u16 addr = PEEK2(dev + port);
             if(uxn_ram[addr] == 0x01) {
                 u16 length = PEEK2(uxn_ram + addr + 1);
                 u16 a_page = PEEK2(uxn_ram + addr + 1 + 2);
diff --git a/src/main.c b/src/main.c
index f296498..91172c3 100644
--- a/src/main.c
+++ b/src/main.c
@@ -105,7 +105,7 @@ main(void) {
     u8 frame_counter = 0;
     PROF(uxn_eval_asm(PAGE_PROGRAM), eval_cycles);
     while(true) {
-        txt_position(0, 0);
+        // txt_position(0, 0);
         // print_debug_info(0);
         bios_vblank_wait();
         FRAME_START();
diff --git a/src/ppu.c b/src/ppu.c
index 4dcc5be..d871514 100644
--- a/src/ppu.c
+++ b/src/ppu.c
@@ -40,6 +40,7 @@ WITH REGARD TO THIS SOFTWARE.
 // Keyboard.
 #define SPRITE_START_IDX 640
 
+// TODO: Can we put these tables on the VRAM for extra speed?
 static u32 dec_byte_flip_x[256] = {
     0x00000000, 0x00000001, 0x00000010, 0x00000011, 0x00000100,
     0x00000101, 0x00000110, 0x00000111, 0x00001000, 0x00001001,