fix: else if in interrup handling

examples/sdl/src/main.rs

@@ -85,14 +85,14 @@ fn main() {
     game_boy.load_boot_default();
 
     //game_boy.load_rom_file("../../res/roms.prop/tetris.gb");
-    game_boy.load_rom_file("../../res/roms.prop/dr_mario.gb");
+    //game_boy.load_rom_file("../../res/roms.prop/dr_mario.gb");
     //game_boy.load_rom_file("../../res/roms.prop/alleyway.gb");
 
     //game_boy.load_rom_file("../../res/roms/firstwhite.gb");
     //game_boy.load_rom_file("../../res/roms/opus5.gb");
 
     //game_boy.load_rom_file("../../res/roms/paradius/cpu/01-special.gb"); // PASSED
-    //game_boy.load_rom_file("../../res/roms/paradius/cpu/02-interrupts.gb");
+    game_boy.load_rom_file("../../res/roms/paradius/cpu/02-interrupts.gb");
     //game_boy.load_rom_file("../../res/roms/paradius/cpu/03-op sp,hl.gb"); // PASSED
     //game_boy.load_rom_file("../../res/roms/paradius/cpu/04-op r,imm.gb"); // PASSED
     //game_boy.load_rom_file("../../res/roms/paradius/cpu/05-op rp.gb"); // PASSED

src/cpu.rs

@@ -130,9 +130,8 @@ impl Cpu {
 
                 return 16;
             }
-
             // @todo aggregate the handling of these interrupts
-            if (self.mmu.ie & 0x04 == 0x04) && self.mmu.timer().int_tima() {
+            else if (self.mmu.ie & 0x04 == 0x04) && self.mmu.timer().int_tima() {
                 println!("Going to run Timer interrupt handler (0x50)");
 
                 self.disable_int();