From 362341eac334ada91de79360d98924c48061a657 Mon Sep 17 00:00:00 2001
From: vin <git@vineetk.net>
Date: Sun, 21 Jul 2024 14:48:29 -0400
Subject: [PATCH] rename struct Rom to struct rom

---
 cpu.c | 3 ++-
 ppu.h | 5 +----
 rom.c | 4 ++--
 rom.h | 6 +++---
 4 files changed, 8 insertions(+), 10 deletions(-)

diff --git a/cpu.c b/cpu.c
index 621fe5b..509f7a8 100644
--- a/cpu.c
+++ b/cpu.c
@@ -36,7 +36,7 @@
 #define PULL()	\
 	(peek(0x0100 + ++regs.sp))
 
-struct Rom rom = {0};
+struct rom rom = {0};
 uint32_t cycles = 0;
 
 bool page_crossed = false;
@@ -1020,6 +1020,7 @@ main(int argc, char *argv[])
 
 	parse_rom(buf, buflen, &rom);
 	free(buf);
+	ppu.rom = &rom;
 
 	cpu_init();
 
diff --git a/ppu.h b/ppu.h
index 1527b93..6bc8b5a 100644
--- a/ppu.h
+++ b/ppu.h
@@ -11,10 +11,7 @@ struct ppu {
 	uint8_t vram[2048];
 	uint8_t palette[16*2];
 	uint16_t cycles, scanlines;
-	/* copied from rom */
-	uint8_t *chr_rom;
-	size_t chr_rom_size;
-	enum screen_mirroring mirror;
+	struct rom *rom;
 };
 extern struct ppu ppu;
 
diff --git a/rom.c b/rom.c
index d432cc2..8360833 100644
--- a/rom.c
+++ b/rom.c
@@ -6,7 +6,7 @@
 #include "rom.h"
 
 void
-parse_rom(const uint8_t *data, size_t data_len, struct Rom *rom)
+parse_rom(const uint8_t *data, size_t data_len, struct rom *rom)
 {
 	size_t prg_rom_offset = 16;
 	size_t chr_rom_offset = 0;
@@ -48,7 +48,7 @@ parse_rom(const uint8_t *data, size_t data_len, struct Rom *rom)
 }
 
 void
-free_rom(struct Rom *rom)
+free_rom(struct rom *rom)
 {
 	free(rom->prg_rom);
 	if (rom->chr_rom_size > 0)
diff --git a/rom.h b/rom.h
index 703fabd..d27afdf 100644
--- a/rom.h
+++ b/rom.h
@@ -7,7 +7,7 @@ enum screen_mirroring {
 	M_FOUR,
 };
 
-struct Rom {
+struct rom {
 	char *prg_rom;
 	char *chr_rom;
 	size_t prg_rom_size;
@@ -16,7 +16,7 @@ struct Rom {
 	enum screen_mirroring mirror;
 };
 
-void parse_rom(const uint8_t *data, size_t data_len, struct Rom *rom);
-void free_rom(struct Rom *rom);
+void parse_rom(const uint8_t *data, size_t data_len, struct rom *rom);
+void free_rom(struct rom *rom);
 
 #endif /* ROM_H */