move read/write prg/chr/cirom data to mapper

1 files changed, 24 insertions, 12 deletions

diff --git a/mapper.c b/mapper.c
index 2e27304..a7954b1 100644
--- a/mapper.c
+++ b/mapper.c
@@ -7,15 +7,19 @@
 
 struct mapper_entry {
 	int		id;
-	uint8_t	(*read)(struct nes_state *state, uint32_t addr);
-	void		(*write)(struct nes_state *state, uint32_t addr, uint8_t value);
+	uint8_t	(*prg_read)(struct nes_state *state, uint32_t addr);
+	void		(*prg_write)(struct nes_state *state, uint32_t addr, uint8_t value);
+	uint8_t	(*chr_read)(struct nes_state *state, uint32_t addr);
+	void		(*chr_write)(struct nes_state *state, uint32_t addr, uint8_t value);
+	uint8_t	(*ciram_read)(struct nes_state *state, uint32_t addr);
+	void		(*ciram_write)(struct nes_state *state, uint32_t addr, uint8_t value);
 	void		(*tick)(struct nes_state *state);
 	void		(*init)(struct nes_state *state);
 };
 
 static struct mapper_entry mapper_table[] = {
-	{  0, mapper_001_read, mapper_001_write, mapper_001_tick, mapper_001_init },
-	{ 66, mapper_066_read, mapper_066_write, mapper_066_tick, mapper_066_init },
+	{  0, mapper_001_prg_read, mapper_001_prg_write, mapper_001_chr_read, mapper_001_chr_write, mapper_001_ciram_read, mapper_001_ciram_write, mapper_001_tick, mapper_001_init },
+	{ 66, mapper_066_prg_read, mapper_066_prg_write, mapper_066_chr_read, mapper_066_chr_write, mapper_066_ciram_read, mapper_066_ciram_write, mapper_066_tick, mapper_066_init },
 	// { 1, mapper_mmc1_read, ... }, etc
 };
 
@@ -23,10 +27,14 @@ static void mapper_setup(struct nes_state *state) {
 	uint32_t mapper = state->ines.mapper;
 	for(uint32_t i = 0; i < sizeof(mapper_table)/sizeof(mapper_table[0]); i++) {
 		if(mapper_table[i].id == mapper) {
-			state->mapper.read  = mapper_table[i].read;
-			state->mapper.write = mapper_table[i].write;
-			state->mapper.tick  = mapper_table[i].tick;
-			state->mapper.init  = mapper_table[i].init;
+			state->mapper.prg_read		= mapper_table[i].prg_read;
+			state->mapper.prg_write		= mapper_table[i].prg_write;
+			state->mapper.chr_read		= mapper_table[i].chr_read;
+			state->mapper.chr_write		= mapper_table[i].chr_write;
+			state->mapper.ciram_read	= mapper_table[i].ciram_read;
+			state->mapper.ciram_write	= mapper_table[i].ciram_write;
+			state->mapper.tick			= mapper_table[i].tick;
+			state->mapper.init			= mapper_table[i].init;
 			state->mapper.init(state);
 			return;
 		}
@@ -34,9 +42,13 @@ static void mapper_setup(struct nes_state *state) {
 
 	// NOTE(peter): Not sure how safe this is, but it sure is funny...
 	printf("Unsupported mapper %d, falling back to NROM\n", mapper);
-	state->mapper.read  = mapper_001_read;
-	state->mapper.write = mapper_001_write;
-	state->mapper.tick  = mapper_001_tick;
-	state->mapper.init  = mapper_001_init;
+	state->mapper.prg_read		= mapper_001_prg_read;
+	state->mapper.prg_write		= mapper_001_prg_write;
+	state->mapper.chr_read		= mapper_001_chr_read;
+	state->mapper.chr_write		= mapper_001_chr_write;
+	state->mapper.ciram_read	= mapper_001_ciram_read;
+	state->mapper.ciram_write	= mapper_001_ciram_write;
+	state->mapper.tick			= mapper_001_tick;
+	state->mapper.init			= mapper_001_init;
 	state->mapper.init(state);
 }