1 files changed, 22 insertions, 0 deletions
diff --git a/src/ppu/internals.h b/src/ppu/internals.h
new file mode 100644
index 0000000..ddb2196
--- /dev/null
+++ b/src/ppu/internals.h
@@ -0,0 +1,22 @@
+#pragma once
+
+#include <stdbool.h>
+
+#include "types.h"
+
+typedef struct {
+	hh_ppu_addr_t offset;
+	hh_ppu_addr_t size;
+	hh_ppu_data_t* data;
+} hh_s_ppu_vram_data;
+
+bool hh_ppu_vram_valid_address(hh_ppu_addr_t addr);
+void hh_ppu_vram_write(hh_ppu_addr_t addr, hh_ppu_data_t data);
+void hh_ppu_vram_memcpy(void* a, hh_s_ppu_vram_data b);
+
+hh_s_ppu_vram_data* hh_ppu_2nat_bam(hh_s_ppu_loc_bam_entry);
+hh_s_ppu_vram_data* hh_ppu_2nat_fam(hh_s_ppu_loc_fam_entry);
+hh_s_ppu_vram_data* hh_ppu_2nat_aux(hh_s_ppu_loc_aux);
+hh_s_ppu_vram_data* hh_ppu_2nat_sprite(hh_ppu_loc_sprite_data_t);
+hh_s_ppu_vram_data* hh_ppu_2nat_pal(hh_ppu_loc_palette_data_t);
+