From 5808f00555c48e1cc1cc110af6a5cd73ddf13010 Mon Sep 17 00:00:00 2001 From: Peter Fors Date: Fri, 2 May 2025 23:15:47 +0200 Subject: cleanup and rewrite of ppu_registers.c --- mapper_0003.c | 22 ---------------------- 1 file changed, 22 deletions(-) delete mode 100644 mapper_0003.c (limited to 'mapper_0003.c') diff --git a/mapper_0003.c b/mapper_0003.c deleted file mode 100644 index a4ae56c..0000000 --- a/mapper_0003.c +++ /dev/null @@ -1,22 +0,0 @@ - - -static void mapper_0003_init(struct nes_state *state) { - state->map.m0003.chr_ptr = state->chr_rom; -} - -static uint8_t mapper_0003_prg_read(struct nes_state *state, uint32_t addr) { - return state->prg_rom[addr & 0x7fff]; -} - -static void mapper_0003_prg_write(struct nes_state *state, uint32_t addr, uint8_t value) { - if(addr >= 0x8000) { - state->map.m0003.chr_ptr = state->chr_rom + (value & 3) * 0x2000; - } -} - -static uint8_t mapper_0003_chr_read(struct nes_state *state, uint32_t addr) { - return state->map.m0003.chr_ptr[addr]; -} - -static void mapper_0003_chr_write(struct nes_state *state, uint32_t addr, uint8_t value) { -} -- cgit v1.2.3