Add more logging

caklimas · Jan 1, 2024 · 95de4b2 · 95de4b2
1 parent 7fafe5b
commit 95de4b2
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Showing 2 changed files with 11 additions and 7 deletions.
diff --git a/src/cpu/mod.rs b/src/cpu/mod.rs
@@ -289,9 +289,7 @@ impl Cpu {
             return;
         }
 
-        self.program_counter = PROGRAM_START;
-        self.stack_pointer = 0xFFFE;
-
+        // https://gbdev.io/pandocs/Power_Up_Sequence.html#cpu-registers
         match &self.mmu.cartridge.header.cgb_mode {
             CgbMode::CgbMonochrome => {
                 self.registers.set_target_16(&CpuRegister16::AF, 0x1180);
@@ -308,7 +306,7 @@ impl Cpu {
             }
         }
 
-        // https://gbdev.io/pandocs/CGB_Registers.html#detecting-cgb-and-gba-functions
-        info!("A after startup: {}", self.registers.a);
+        self.program_counter = PROGRAM_START;
+        self.stack_pointer = 0xFFFE;
     }
 }
diff --git a/src/gpu/lcd/mod.rs b/src/gpu/lcd/mod.rs
@@ -135,7 +135,10 @@ impl Lcd {
             SPRITE_ATTRIBUTE_TABLE_LOWER..=SPRITE_ATTRIBUTE_TABLE_UPPER => {
                 self.video_oam.read(address)
             }
-            LCD_BCPS_BGPI => self.bg_color_palette_spec.0,
+            LCD_BCPS_BGPI => {
+                info!("Read from LCD_BCPS_BGPI");
+                self.bg_color_palette_spec.0
+            }
             LCD_BCPD_BGPD => {
                 info!("Read from LCD_BCPD_BGPD");
                 0
@@ -176,7 +179,10 @@ impl Lcd {
             SPRITE_ATTRIBUTE_TABLE_LOWER..=SPRITE_ATTRIBUTE_TABLE_UPPER => {
                 self.video_oam.write(address, data)
             }
-            LCD_BCPS_BGPI => self.bg_color_palette_spec.set(data),
+            LCD_BCPS_BGPI => {
+                info!("Writing to LCD_BCPS_BGPI");
+                self.bg_color_palette_spec.set(data)
+            }
             LCD_BCPD_BGPD => {
                 info!("Writing to LCD_BCPD_BGPD")
             }