From 6274071e3857c1640cc5aef804cb86509ab312f9 Mon Sep 17 00:00:00 2001 From: Peter Fors Date: Thu, 3 Apr 2025 20:02:00 +0200 Subject: Move to glfw --- mapper_gxrom.c | 27 --------------------------- 1 file changed, 27 deletions(-) delete mode 100644 mapper_gxrom.c (limited to 'mapper_gxrom.c') diff --git a/mapper_gxrom.c b/mapper_gxrom.c deleted file mode 100644 index e03f9d2..0000000 --- a/mapper_gxrom.c +++ /dev/null @@ -1,27 +0,0 @@ - -static void mapper_66_init(struct nes_state *state) { - state->map.gxrom.prg_offset = 0; - state->map.gxrom.chr_offset = 0; -} - -static uint8_t mapper_66_read(struct nes_state *state, uint32_t addr) { - if(addr >= 0x8000) { - uint32_t base = state->map.gxrom.prg_offset; - return state->rom[base + (addr - 0x8000)]; - } - return 0; -} - -static void mapper_66_write(struct nes_state *state, uint32_t addr, uint8_t value) { - if(addr >= 0x8000) { - uint32_t prg_bank = (value >> 4) & 3; - uint32_t chr_bank = (value >> 0) & 3; - - state->map.gxrom.prg_offset = prg_bank * 0x8000; - state->map.gxrom.chr_offset = chr_bank * 0x2000; - } -} - -static void mapper_66_tick(struct nes_state *state) { - // No IRQ or timing logic needed -} -- cgit v1.2.3