semi working state

2 files changed, 11 insertions, 2 deletions

diff --git a/mknes.c b/mknes.c
index bd7911c..ee1f25d 100644
--- a/mknes.c
+++ b/mknes.c
@@ -67,8 +67,8 @@ static void init_callback(void) {
 	ppu_reset(&nstate);
 	// ines2_load(&nstate, "data/nrom/Super Mario Bros. (World) (HVC-SM).nes");
 	// ines2_load(&nstate, "data/nrom/10-Yard Fight (USA, Europe).nes");
-	// ines2_load(&nstate, "data/nrom/Balloon Fight (USA).nes");
-	ines2_load(&nstate, "data/nrom/Excitebike (Japan, USA).nes");
+	ines2_load(&nstate, "data/nrom/Balloon Fight (USA).nes");
+	// ines2_load(&nstate, "data/nrom/Excitebike (Japan, USA).nes");
 	// ines2_load(&nstate, "data/nrom/Ice Climber (USA, Europe, Korea).nes");
 	// ines2_load(&nstate, "data/nrom/Kung Fu (Japan, USA).nes");
 	// ines2_load(&nstate, "data/nrom/Super Mario Bros. (World) (HVC-SM).nes");
diff --git a/mknes.h b/mknes.h
index d3b1028..91c816f 100644
--- a/mknes.h
+++ b/mknes.h
@@ -51,9 +51,18 @@ struct ppu_state {
 	uint32_t nt_x_offset;
 	uint32_t nt_y_offset;
 	uint8_t fine_y;
+	uint8_t fine_y_latch;
 
 	uint32_t vram_addr;
+	uint32_t tmp_addr;
 	uint8_t write_latch;
+	uint8_t read_buffer;
+
+	uint32_t render_coarse_x;
+	uint32_t render_coarse_y;
+	uint32_t render_fine_y;
+	uint32_t render_nt_x;
+	uint32_t render_nt_y;
 
 	uint32_t cycle;
 	uint32_t scanline;