before ppu rearrangement and fix of scanline 261

1 files changed, 10 insertions, 1 deletions

diff --git a/mknes.h b/mknes.h
index f8e4be7..fb1228b 100644
--- a/mknes.h
+++ b/mknes.h
@@ -52,7 +52,6 @@ struct ppu_state {
 
 	uint8_t sprite_zero_hit_possible;
 	uint8_t sprite_count;
-
 	uint8_t palette[32];
 
 	// NOTE(peter): CACHELINE 2 start here!
@@ -68,6 +67,15 @@ struct ppu_state {
 	uint8_t frame_ready;
 } __attribute__((packed, aligned(64)));
 
+struct apu_state {
+	uint32_t frame_cycle;
+	uint8_t mode;
+	uint8_t irq_inhibit;
+	uint8_t irq_pending;
+	uint8_t dmc_dma_enabled;
+	uint32_t dmc_sample_timer;
+};
+
 struct cpu_state {
 	uint32_t pc;	// Program Counter
 	uint8_t sp;		// Stack Pointer
@@ -104,6 +112,7 @@ struct nes_state {
 	uint8_t input_latch[2];		// Latched inputs after strobe
 	uint8_t input_bit[2];		// Current bit position being shifted out
 	uint8_t input_strobe;		// Control bit (0 or 1)
+	// struct apu_state apu;
 	struct ppu_state ppu;
 
 	struct mapper_entry mapper;