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_000b.c | 27 --------------------------- 1 file changed, 27 deletions(-) delete mode 100644 mapper_000b.c (limited to 'mapper_000b.c') diff --git a/mapper_000b.c b/mapper_000b.c deleted file mode 100644 index 9252060..0000000 --- a/mapper_000b.c +++ /dev/null @@ -1,27 +0,0 @@ - - -static void mapper_000b_init(struct nes_state *state) { - state->map.m000b.prg_ptr = state->prg_rom; - state->map.m000b.chr_ptr = state->chr_rom; -} - -static uint8_t mapper_000b_prg_read(struct nes_state *state, uint32_t addr) { - if(addr >= 0x8000) { - return state->map.m000b.prg_ptr[addr - 0x8000]; - } - return 0; -} - -static void mapper_000b_prg_write(struct nes_state *state, uint32_t addr, uint8_t value) { - if(addr >= 0x8000) { - state->map.m000b.prg_ptr = state->prg_rom + ((value >> 4) & 7) * 0x8000; - state->map.m000b.chr_ptr = state->chr_rom + (value & 0x0F) * 0x2000; - } -} - -static uint8_t mapper_000b_chr_read(struct nes_state *state, uint32_t addr) { - return state->map.m000b.chr_ptr[addr]; -} - -static void mapper_000b_chr_write(struct nes_state *state, uint32_t addr, uint8_t value) { -} -- cgit v1.2.3